gcc/ChangeLog.graphite

   1 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
   4         unused warning.
   5         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
   6
   7 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * graphite-sese-to-poly.c (analyze_drs): Removed.
  10         (build_scop_drs): Do not call analyze_drs.
  11         (analyze_drs_in_stmts): New.
  12         (insert_stmts): New.
  13         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
  14         (insert_out_of_ssa_copy_on_edge): Same.
  15         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
  16         (rewrite_phi_out_of_ssa): Same.
  17         (rewrite_cross_bb_scalar_dependence): Same.
  18         (split_reduction_stmt): Move data references in the new basic blocks.
  19         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
  20
  21 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
  24
  25 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         PR middle-end/45297
  28         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
  29         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
  30         * graphite-poly.h (new_poly_bb): Update declaration.
  31         (gbb_from_bb): Moved here...
  32         (pbb_from_bb): New.
  33         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
  34         Removed.
  35         (graphite_stmt_p): Removed.
  36         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
  37         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
  38         new_poly_bb.
  39         (build_scop_bbs_1): Do not pass in sbitmap reductions.
  40         (build_scop_bbs): Same.
  41         (gbb_from_bb): ... from here.
  42         (add_conditions_to_constraints): Moved up.
  43         (analyze_drs): New.
  44         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
  45         not contain data references.
  46         (new_pbb_from_pbb): New.
  47         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
  48         block is split.
  49         (rewrite_close_phi_out_of_ssa): Update call to
  50         insert_out_of_ssa_copy_on_edge.
  51         (rewrite_reductions_out_of_ssa): Now static.
  52         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
  53         (split_pbb): New.
  54         (split_reduction_stmt): Call split_pbb.
  55         (translate_scalar_reduction_to_array): Pass in the scop, do not
  56         pass in the sbitmap reductions.
  57         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
  58         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
  59         (rewrite_commutative_reductions_out_of_ssa): Same.
  60         (build_poly_scop): Call build_scop_bbs,
  61         rewrite_commutative_reductions_out_of_ssa,
  62         rewrite_reductions_out_of_ssa, and
  63         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
  64         before scop_to_lst.
  65         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
  66         Removed declaration.
  67         (rewrite_reductions_out_of_ssa): Same.
  68         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
  69         (build_scop_bbs): Same.
  70         * graphite.c (graphite_transform_loops): Do not initialize reductions.
  71         Do not call build_scop_bbs,
  72         rewrite_commutative_reductions_out_of_ssa,
  73         rewrite_reductions_out_of_ssa, and
  74         rewrite_cross_bb_scalar_deps_out_of_ssa.
  75         * sese.h (struct gimple_bb): Add field pbb.
  76         (GBB_PBB): New.
  77
  78         * gcc.dg/graphite/pr45297.c: New.
  79
  80 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
  83         New.
  84         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
  85         handle_scalar_deps_crossing_scop_limits.
  86         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
  87         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
  88
  89 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
  92         when replacing a constant in an ADDR_EXPR.
  93
  94 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
  97         for the stride.
  98         (lst_do_strip_mine): Same.
  99         (scop_do_strip_mine): Same.
 100         * graphite-poly.c (apply_poly_transforms): Update call to
 101         scop_do_strip_mine.
 102         * graphite-poly.h (scop_do_strip_mine): Update declaration.
 103
 104 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         PR middle-end/45758
 107         * graphite.c (graphite_initialize): Call scev_reset.
 108
 109 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         * sese.h (scev_analyzable_p): Return false for real or floating
 112         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
 113
 114 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 115
 116         PR middle-end/45758
 117         * gfortran.dg/graphite/pr45758.f90: New.
 118
 119 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         * graphite-scop-detection.c (is_scop_p): Free bblist.
 122
 123 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 126         and ps.
 127         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 128         domain.
 129         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 130         Do not allocate ub_expr, it is passed in initialized.
 131
 132 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 133
 134         * common.opt (fgraphite-dump-cloog): New flag.
 135         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 136         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 137         (build_cloog_prog): Dump CLooG input file when
 138         flag_graphite_dump_cloog is set.
 139         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 140
 141 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 142
 143         Revert previous patch "New flag: -fgraphite-dump-cloog."
 144
 145 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 146
 147         * common.opt (fgraphite-dump-cloog): New flag.
 148         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 149         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 150         (build_cloog_prog): Dump CLooG input file when
 151         flag_graphite_dump_cloog is set.
 152
 153 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 156         verify_dominators for CDI_POST_DOMINATORS.
 157         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 158         (recompute_all_dominators): Remove call to free_dominance_info
 159         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 160         for CDI_POST_DOMINATORS.
 161
 162 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 165         over pbb_dim_iter_domain.
 166
 167 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         * graphite-flattening.c: Fix comments.
 170
 171 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 172
 173         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 174         (graphite-flattening.o): New rule.
 175         * common.opt (floop-flatten): New flag.
 176         * doc/invoke.texi (-floop-flatten): Documented.
 177         * graphite-flattening.c: New.
 178         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 179         * graphite-poly.h (flatten_all_loops): Declared.
 180         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 181         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 182         is set, also set flag_graphite.
 183
 184 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-poly.c (cloog_checksum): New.
 187         * graphite-poly.h (cloog_checksum): Declared.
 188
 189 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         * graphite-poly.c (pbb_number_of_iterations): Removed.
 192         (pbb_number_of_iterations_at_time): Correctly compute the number
 193         of iterations in the transformed loop.
 194         * graphite-poly.h (pbb_number_of_iterations): Removed.
 195
 196 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 197
 198         * graphite-poly.h (lst_update_scattering_seq): Removed.
 199         (lst_update_scattering): Correctly handle outermost loop dewey
 200         renumbering.
 201
 202 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 203
 204         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 205         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 206         * graphite-poly.h (lst_niter_for_loop): New.
 207
 208 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 209
 210         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 211         transform read from disk is not legal.  Call fatal_error instead.
 212
 213 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 214
 215         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 216         (print_scop_header): Removed.  Inlined in the only call place...
 217         (print_scop): ... here.
 218
 219 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 220
 221         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 222
 223 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 224
 225         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 226         (is_valid_stmt_p): Add data reference and operation-specific checks.
 227         (is_valid_bb_p): Change structure, add loop validity check.
 228         (is_scop_p): Move the TODO list
 229         (find_scops_new): New.
 230         (build_scops_new): Move part of functionality to find_scops_new and
 231         build_scops.  Add necessary steps for successful SCoP construction.
 232         (build_scops): Compute SCoP sets for both detection algorithms, choose
 233         the resulting one depending on static condition.
 234
 235 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 236
 237         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 238
 239 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 240
 241         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 242         (dot_deps_stmt): Same.
 243         * graphite-poly.c (dot_lst): Same.
 244
 245 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 246
 247         * graphite-blocking.c (scop_do_strip_mine): Do not call
 248         graphite_legal_transform.
 249         (scop_do_block): Same.
 250
 251 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 252
 253         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 254         description.
 255
 256 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 257
 258         PR middle-end/45230
 259         * gcc.dg/graphite/id-pr45230.c: New.
 260
 261 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         * tree-scalar-evolution.c (instantiate_array_ref): New.
 264         (instantiate_scev_r): Also handle ARRAY_REFs.
 265
 266 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 269         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 270         RESULT_DECL, and FIELD_DECL.  Return false for an
 271         SSA_NAME_IS_DEFAULT_DEF.
 272         (compute_scalar_evolution_in_loop): Do not further analyze the
 273         scalar evolution when no_evolution_in_loop_p returns true.
 274
 275 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 276
 277         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 278         whether CHREC_LEFT is invariant.  A function is affine when
 279         CHREC_RIGHT is invariant.
 280
 281 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 282
 283         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 284         is_gimple_reg.
 285         (rewrite_degenerate_phi): Same.
 286         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 287
 288 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 289
 290         * graphite-scop-detection.c (graphite_can_represent_scev,
 291         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 292         graphite_can_represent_loop): Remove outermost_loop.
 293
 294 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         PR middle-end/45229
 297         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 298         handle GIMPLE_CALLs with no LHS.
 299
 300 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 301             Sebastian Pop  <sebastian.pop@amd.com>
 302
 303         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 304         Call remove-build-file to clean up the generated *.graphite files.
 305
 306 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 307
 308         * doc/invoke.texi (debugging options): Update documentation.
 309         (-floop-interchange): Same.
 310         (-flopp-strip-mine): Same.
 311         (-floop-block): Same.
 312         (-fgraphite-read): Add documentation.
 313         (-fgraphite-write): Same.
 314
 315 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 316
 317         * toplev.c (process_options): Disable graphite loop optimization
 318         options when -fgraphite-read flag is used.
 319
 320 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 321
 322         * graphite-poly.c (init_graphite_out_file): New.
 323         (init_graphite_in_file): New.
 324         (apply_poly_transforms): Updated to enable reading and writing of
 325         multiple scop files.
 326         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 327
 328 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 329
 330         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 331         redundant checks.
 332
 333 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 336         computation of precision by 1.
 337
 338 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 339
 340         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 341         (openscop_read_polyhedron_matrix): New.
 342         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 343         (openscop_read_N_int): Same.
 344         * graphite-poly.c (openscop_read_N_int): New.
 345         (openscop_read_one_int): New.
 346         (openscop_read_N_string): New.
 347         (openscop_read_one_string): New.
 348         (openscop_read_powerset_matrix): New.
 349         (graphite_read_transforms): Remove.
 350         (graphite_read_scatt): New.
 351         (graphite_read_scop_file): New.
 352         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 353
 354 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 355
 356         * graphite-poly.c: Change include order.
 357
 358 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 359
 360         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 361         (cloog_matrix_nrows): New.
 362
 363 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 364
 365         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 366         from matrix lines.
 367         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 368         (print_scattering_function_1): Same.
 369         (openscop_print_pbb_domain): Same.
 370         (openscop_print_scop_context): Same.
 371         (print_scop_context): Same.
 372
 373 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 374
 375         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 376         (openscop_print_pdr_polyhedron): Print pph.
 377
 378 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 381         * gfortran.dg/graphite/graphite.exp: Same.
 382         * gcc.dg/graphite/vect-pr43423.c: New.
 383
 384 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 385
 386         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 387         priority signed types.
 388
 389 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 390
 391         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 392         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 393
 394 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 395
 396         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 397         (openscop_print_polyhedron_matrix): New.
 398         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 399         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 400         (openscop_print_pdr_powerset): New.
 401         (openscop_print_powerset_matrix): New.
 402         (openscop_print_scattering_function_1): New.
 403         (print_scattering_function): Add support for scattering names and
 404         OpenScop format.
 405         (graphite_write_transforms): Remove.
 406         (apply_poly_transforms): Updated to call print_scop.
 407         (print_pdr_access_layout): Updated to support OpenScop format.
 408         (print_pdr): Same.
 409         (openscop_print_pbb_domain): New.
 410         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 411         not provided.
 412         (print_pbb): Updated to call the new print_pbb_body.
 413         (openscop_print_scop_context): New.
 414         (print_scop_header): New.
 415         (print_scop): Updated to call print_scop_header.
 416         * graphite-poly.h: Document OpenScop format.
 417
 418 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 421         the case removed in the previous patch, when the only phi argument
 422         is defined in the same loop as the phi node itself.  Handle it
 423         separately from the invariant case by both propagating it outside
 424         the region and replacing the phi node with an assign.
 425
 426 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 427
 428         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 429         constant phi nodes with one argument are is_gimple_min_invariant
 430         and SSA_NAME_IS_DEFAULT_DEF.
 431
 432         * gfortran.dg/graphite/id-22.f: New.
 433
 434 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 435
 436         * graphite.c (graphite_initialize): Do not initialize
 437         CLooG and initialize the Parma Polyhedra Library
 438         manually when using CLOOG_ORG.
 439         (graphite_finalize): Do not finalize CLooG and finalize
 440         the Parma Polyhedra Library manually when using CLOOG_ORG.
 441         * graphite-cloog-compat.h (cloog_initialize): Hide function
 442         when using CLOOG_ORG.
 443         (cloog_finalize): Same.
 444
 445 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 446
 447         * graphite-clast-to-gimple.c (free_scattering): Change
 448         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 449         (CLOOG_ORG).
 450         (build_cloog_prog): Same.
 451         * graphite-cloog-compat.h (cloog_domain): Removed.
 452         (cloog_scattering): New.
 453         (cloog_set_domain): Removed.
 454         (cloog_set_scattering): New.
 455         (cloog_next_domain): Removed.
 456         (cloog_next_scattering): New.
 457         (cloog_set_next_domain): Removed.
 458         (cloog_set_next_scattering): New.
 459         (CloogScatteringList): New.
 460         (CloogScattering): New.
 461         (cloog_scattering_free): New.
 462         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 463         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 464         New.
 465
 466 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 467
 468         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 469         CloogState.
 470         (set_cloog_options): Same.
 471         (print_clast_stmt): Same.
 472         (scop_to_clast): Same.
 473         (print_generated_program): Same.
 474         (gloog): Same.
 475         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 476         (scop_to_clast): Extend with CloogState.
 477         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 478         (new_Cloog_Domain_from_ppl_Polyhedron):
 479         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 480         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 481         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 482         * graphite-cloog-util.h (build_cloog_prog): Same.
 483         * graphite-cloog-copat.h (build_cloog_prog): New.
 484         (CloogState): New.
 485         (cloog_state_malloc): New.
 486         (cloog_state_free): New.
 487         (cloog_loop_malloc): New.
 488         (cloog_options_malloc): New.
 489         (cloog_statement_alloc): New.
 490         (cloog_domain_from_cloog_matrix): New.
 491         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 492         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 493
 494 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 495
 496         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 497         type of NAME now depends on used CLooG version.
 498         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 499         (gcc_type_for_clast_expr): Same.
 500         (print_clast_stmt): Replace pprint with clast_pprint.
 501         * graphite-cloog-compat.h: Provide compatibility macros for
 502         CLooG Legacy.
 503         (clast_name_p): New.
 504         (clast_expr_term): New.
 505         (clast_expr_red): New.
 506         (clast_expr_bin): New.
 507         (clast_pprint): New.
 508
 509 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 510
 511         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 512         compatible to newer CLooG releases (CLOOG_ORG).
 513         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 514         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 515         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 516         (build_cloog_prog) : New.
 517         (cloog_program_extract_scalars): New.
 518         (cloog_program_scatter): New.
 519
 520 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 521
 522         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 523         conditionally (CLOOG_ORG).
 524         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 525         (cloog_statement_usr): New.
 526         (cloog_domain): Same.
 527         (cloog_set_domain): Same.
 528         (cloog_next_domain): Same.
 529         (cloog_set_next_domain): Same.
 530         (cloog_program_nb_scattdims): Same.
 531         (cloog_program_set_nb_scattdims): Same.
 532         (cloog_program_names): Same.
 533         (cloog_program_set_names): Same.
 534         (cloog_program_set_context): Same.
 535         (cloog_program_set_loop): Same.
 536         (cloog_program_blocklist): Same.
 537         (cloog_program_set_blocklist): Same.
 538         (cloog_program_scaldims): Same.
 539         (cloog_program_set_scaldims): Same.
 540         (cloog_names_nb_parameters): Same.
 541         (cloog_names_set_nb_parameters): Same.
 542         (cloog_names_parameters): Same.
 543         (cloog_names_set_parameters): Same.
 544         (cloog_names_set_nb_iterators): Same.
 545         (cloog_names_set_iterators): Same.
 546         (cloog_names_set_nb_scattering): Same.
 547         (cloog_names_set_scattering): Same.
 548         (cloog_statement_set_usr): Same.
 549         (cloog_loop_set_next): Same.
 550         (cloog_loop_set_domain): Same.
 551         (cloog_loop_set_block): Same.
 552         (cloog_block_list_next): Same.
 553         (cloog_block_list_set_next):
 554         (cloog_block_list_set_block): Same.
 555
 556 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 559         a bool.
 560         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 561         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 562         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 563         when something has been changed.
 564         (rewrite_commutative_reductions_out_of_ssa): Same.
 565
 566         * gcc.dg/graphite/id-26.c: New.
 567
 568 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 569
 570         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 571         handle the case when def is in the sese region.
 572         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 573         for invariant expressions.
 574         (rewrite_cross_bb_phi_deps): Removed.
 575         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 576         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 577         rewrite_cross_bb_phi_deps.
 578
 579 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 580
 581         * graphite-sese-to-poly.c
 582         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 583         scev_analyzable_p only on is_gimple_reg
 584
 585         * gcc.dg/graphite/id-25.c: New.
 586
 587 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 590         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 591         parametric expressions outside the scop region.
 592         (rewrite_cross_bb_scalar_deps): Same.
 593         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 594
 595         * gcc.dg/graphite/run-id-5.c: New.
 596         * gcc.dg/graphite/run-id-6.c: New.
 597         * gfortran.dg/graphite/id-21.f: New.
 598
 599 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 600
 601         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 602         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 603
 604         * gcc.dg/graphite/id-24.c: New.
 605
 606 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 609         instantiate default definitions.
 610
 611 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 612
 613         * graphite-scop-detection.c (is_valid_stmt_p): New.
 614         (is_valid_bb_p): New.
 615
 616 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 617             Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 620         (loop_exits_from_bb_p): New.
 621         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 622         (loop_exits_from_bb_p): Declared.
 623         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 624         loop_exits_to_bb_p.
 625
 626 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 627
 628         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 629         tree-data-ref.h.
 630         (dot_regions_1): New.
 631         (dot_regions): New.
 632         * refined-regions.h (dot_regions): Declared.
 633         * Makefile.in (refined-regions.o): Update dependences.
 634
 635 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 636
 637         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 638         extra parameter for the region.  Call scev_analyzable_p.
 639         (rewrite_reductions_out_of_ssa): Update call to
 640         rewrite_close_phi_out_of_ssa.
 641         (rewrite_cross_bb_phi_deps): Same.
 642         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 643         parameter for the region.  Call scev_analyzable_p.
 644         (rewrite_commutative_reductions_out_of_ssa): Update call to
 645         rewrite_commutative_reductions_out_of_ssa_loop.
 646
 647 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * gcc.dg/tree-ssa/pr20742.c: New.
 650
 651 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 654
 655         * gcc.dg/graphite/id-23.c: New.
 656
 657 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 660         SSA scalar phi nodes that can be scev_analyzable_p.
 661
 662         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 663
 664 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 665
 666         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 667         handle SSA_NAME_IS_DEFAULT_DEF.
 668
 669 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 670
 671         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 672
 673         * gcc.dg/graphite/pr42729.c: New.
 674
 675 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 676
 677         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 678         case non close-phi nodes with one argument.
 679
 680 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * sese.h (scev_analyzable_p): Scevs could be expressions without
 683         chrecs and still be scev_analyzable_p.
 684
 685 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 686
 687         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 688
 689 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 690
 691         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 692         * cfgloop.h (struct loop): Remove single_iv field.
 693         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 694         (scop_canonicalize_loops): Removed.
 695         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 696         over all the loop phi nodes in loop->header.
 697         (build_poly_scop): Remove use of scop_canonicalize_loops.
 698
 699 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 702         handle GIMPLE_CALL.
 703
 704 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 705
 706         * tree-chrec.c (chrec_apply): Should only apply to the specified
 707         variable.  Also handle multivariate chains of recurrences that
 708         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 709
 710 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 713         (debug_clast_name_indexes_1): Removed.
 714         (debug_clast_name_indexes): Removed.
 715         (pbb_to_depth_to_oldiv): Removed.
 716         (build_iv_mapping): Replace the use of rename_map with iv_map.
 717         (translate_clast_user): Remove uses of rename_map.  Allocate and
 718         free iv_map.
 719         (translate_clast_for_loop): Remove uses of rename_map.
 720         (translate_clast_for): Same.
 721         (translate_clast_guard): Same.
 722         (translate_clast): Same.
 723         (gloog): Same.
 724         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 725         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 726         * sese.c (set_rename): Now static.
 727         (rename_variables_in_stmt): Removed.
 728         (rename_uses): New.
 729         (is_parameter): Removed.
 730         (is_iv): Removed.
 731         (expand_scalar_variables_call): Removed.
 732         (expand_scalar_variables_ssa_name): Removed.
 733         (expand_scalar_variables_expr): Removed.
 734         (expand_scalar_variables_stmt): Removed.
 735         (expand_scalar_variables): Removed.
 736         (rename_variables): Removed.
 737         (remove_condition): Removed.
 738         (get_true_edge_from_guard_bb): Removed.
 739         (get_false_edge_from_guard_bb): Removed.
 740         (struct igp): Removed.
 741         (default_before_guard): Removed.
 742         (convert_for_phi_arg): Removed.
 743         (add_guard_exit_phis): Removed.
 744         (insert_guard_phis): Removed.
 745         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 746         region.  Do not copy conditions.  Do not copy induction variables.
 747         Call rename_uses.
 748         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 749         the translated statement.  Use the iv_map for the induction
 750         variable renaming.
 751         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 752         (set_rename): Removed declaration.
 753         (scev_analyzable_p): ...here.
 754         * tree-chrec.c (chrec_apply_map): New.
 755         * tree-chrec.h (chrec_apply_map): Declared.
 756
 757 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 760         insert_loop_close_phis.
 761         * sese.c (name_defined_in_loop_p): Removed.
 762         (expr_defined_in_loop_p): Removed.
 763         (alive_after_loop): Removed.
 764         (close_phi_not_yet_inserted_p): Removed.
 765         (struct alep): Removed.
 766         (add_loop_exit_phis): Removed.
 767         (insert_loop_close_phis): Removed.
 768
 769 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 770
 771         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 772         condition.
 773         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 774
 775 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 776
 777         * gfortran.dg/graphite/id-20.f: New.
 778
 779 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 780
 781         * graphite-cloog-util.h: Added cloog.h.
 782         * graphite-blocking.c: Removed cloog.h.
 783         * graphite-dependences.c: Same.
 784         * graphite-interchange.c: Same.
 785         * graphite-poly.c: Same.
 786         * graphite-ppl.c: Same.
 787         * graphite-scop-detection.c: Same.
 788         * graphite-sese-to-poly.c:
 789         Removed cloog.h.
 790         Removed graphite-clast-to-gimple.h.
 791         (check_poly_representation): Removed (unused).
 792         * graphite-sese-to-poly.h
 793         (check_poly_representation): Removed (unused).
 794
 795 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 796
 797         * Makefile.in
 798         (OBJS-common): Added graphite-cloog-util.o.
 799         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 800         (graphite-cloog-util.o): New.
 801         (graphite-ppl.o): Added graphite-cloog-util.h.
 802         * graphite-clast-to-gimple.c:
 803         Added graphite-cloog-util.h to include statements.
 804         * graphite-cloog-util.c: New.
 805         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 806         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 807         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 808         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 809         (ppl_Constrain_System_number_of_constraints): Same.
 810         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 811         (oppose_constraint): Same.
 812         (cloog_matrix_to_ppl_constraint): Same.
 813         (new_Constraint_System_from_Cloog_Matrix): Same.
 814         (insert_constraint_into_matrix): Same. Declared static.
 815         * graphite-cloog-util.h: New.
 816         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 817         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 818         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 819         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 820         (insert_constraint_into_matrix): Same.
 821         * graphite-ppl.c:
 822         Added graphite-cloog-util.h to include statements.
 823         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 824         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 825         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 826         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 827         (insert_constraint_into_matrix): Same.
 828         (ppl_Constrain_System_number_of_constraints): Same.
 829         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 830         (oppose_constraint): Same.
 831         (cloog_matrix_to_ppl_constraint): Same.
 832         (new_Constraint_System_from_Cloog_Matrix): Same.
 833         * graphite-ppl.h:
 834         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 835         graphite-cloog-util.h.
 836         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 837         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 838         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 839         (insert_constraint_into_matrix): Removed.
 840
 841 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 842
 843         * graphite-clast-to-gimple.c
 844         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 845         (precision_for_interval): Same.
 846         (gcc_type_for_interval): Same.
 847         (compute_type_for_level): Same.
 848         * graphite-interchange.c
 849         (lst_interchange_profitable_p): Same.
 850         * graphite-poly.c
 851         (psct_scattering_dim_for_loop_depth): Same.
 852         * graphite-ppl.c
 853         (ppl_max_for_le_pointset): Same.
 854         (ppl_min_for_le_pointset): Same.
 855
 856 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 857
 858         * refined-regions.c (bb_index_compare): New.
 859         (get_bbs_in_region): New.
 860         (print_bbs_in_region): New.
 861         (print_refined_region): Add an argument that allows to print
 862         all basic blocks contained in regions.
 863         (debug_refined_region): Update call to print_refined_region.
 864         * refined-regions.h (print_refined_region): Update declaration.
 865         (get_bbs_in_region): Declared.
 866         * graphite-scop-detection.c (build_scops_new): Print the refined
 867         region tree into the Grahite dump file.
 868
 869 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 870
 871         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 872         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 873
 874 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 875
 876         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 877         rewrite_close_phi_out_of_ssa.
 878
 879         * gcc.dg/graphite/id-22.c: New.
 880
 881 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 884
 885 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 886
 887         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 888         rename_map.
 889         * sese.c (debug_rename_map): Same.
 890         (get_rename): Same.
 891         (set_rename): Same.
 892         (rename_variables_in_stmt): Same.
 893         (expand_scalar_variables_call): Same.
 894         (expand_scalar_variables_ssa_name): Same.
 895         (expand_scalar_variables_expr): Same.
 896         (expand_scalar_variables_stmt): Same.
 897         (expand_scalar_variables): Same.
 898         (rename_variables): Same.
 899         (graphite_copy_stmts_from_block): Same.
 900         (copy_bb_and_scalar_dependences): Same.
 901
 902 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 903
 904         * graphite-clast-to-gimple.c (copy_renames): Removed.
 905         (translate_clast_for): Do not call copy_renames.
 906         (translate_clast_guard): Same.
 907
 908 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 909
 910         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 911         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 912         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 913         before rewrite_cross_bb_scalar_deps.
 914
 915 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 918         Early return in when flag_associative_math is not set.
 919
 920 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 921
 922         * gcc.dg/graphite/run-id-2.c: Call abort.
 923
 924 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 925
 926         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 927         of SSA copies on edges except for loop->latch.
 928
 929 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 930
 931         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 932         Split out of rewrite_reductions_out_of_ssa.
 933         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 934         Declared.
 935         * graphite.c (graphite_transform_loops): Call it.
 936
 937 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 940
 941 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 942
 943         * passes.c (init_optimization_passes): Add pass_graphite.
 944         Schedule a pass_copy_prop before pass_graphite_transforms.
 945         * timevar.def (TV_GRAPHITE): Declared.
 946         * tree-pass.h (pass_graphite): Declared.
 947         * tree-ssa-loop.c (pass_graphite): New.
 948
 949         * gcc.dg/graphite/id-20.c: New.
 950
 951 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 952
 953         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 954         Remove calls to rename_nb_iterations and rename_sese_parameters.
 955         * graphite-clast-to-gimple.h (gloog): Update declaration.
 956         * graphite.c (graphite_transform_loops): Update call to gloog.
 957         * sese.c (rename_variables_in_expr): Removed.
 958         (rename_nb_iterations): Removed.
 959         (rename_sese_parameters): Removed.
 960         * sese.h (rename_nb_iterations): Removed.
 961         (rename_sese_parameters): Removed.
 962
 963 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 964
 965         * graphite-clast-to-gimple.c (gloog): Remove call to
 966         sese_adjust_liveout_phis.
 967         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 968         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 969         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 970         rewrite_phi_out_of_ssa.
 971         * sese.c (get_vdef_before_sese): Removed.
 972         (sese_adjust_vphi): Removed.
 973         (sese_adjust_liveout_phis): Removed.
 974         * sese.h (sese_adjust_liveout_phis): Removed.
 975
 976 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 977
 978         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 979         argument for the place after which to insert the out of SSA copy.
 980         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 981         (rewrite_phi_out_of_ssa): Same.
 982         (rewrite_cross_bb_scalar_deps): Same.
 983         (insert_copyout): Removed.
 984         (insert_copyin): Removed.
 985         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 986         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 987         insert_copyin.
 988
 989 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 992         (rewrite_reductions_out_of_ssa): Same.
 993         (rewrite_commutative_reductions_out_of_ssa): Same.
 994         (build_poly_scop): Do not call these functions.
 995         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 996         (rewrite_reductions_out_of_ssa): Declared.
 997         (rewrite_commutative_reductions_out_of_ssa): Declared.
 998         * graphite.c (graphite_transform_loops): Call on every scop
 999         rewrite_commutative_reductions_out_of_ssa before calling
1000         rewrite_reductions_out_of_ssa and build_scop_bbs.
1001
1002 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * graphite-dependences.c (dot_deps): Make system call to dotty run
1005         in background.
1006         (dot_deps_stmt): Same.
1007         * graphite-poly.c (dot_lst): Same.
1008
1009 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1012         old_type in parameter.
1013         (gcc_type_for_value): Update call to gcc_type_for_interval.
1014         (compute_type_for_level_1): Renamed compute_type_for_level.
1015         Update call to gcc_type_for_interval.
1016
1017 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1020         the scev analysis when the variable is not used outside the loop
1021         in a close phi node: call compute_overall_effect_of_inner_loop.
1022
1023 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1026         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1027         (build_sese_conditions_before): Renamed call to single_pred_cond.
1028         (build_sese_conditions_after): Same.
1029
1030 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1031
1032         * graphite-poly.h: Fix comments and indentation.
1033         * graphite-sese-to-poly.c: Same.
1034         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1035         * tree-chrec.c: Fix comments and indentation.
1036         (tree-ssa-loop-niter.c): Same.
1037
1038 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1039
1040         * refined-regions.c (create_region): Only initialize the region.
1041         (find_regions_with_entry): Initialize parent relation and bbmap
1042         correctly.
1043         (build_regions_tree): Set outermost_region to region instead of
1044         topmost_region.
1045         (calculate_region_tree): Remove unneeded parameters.
1046
1047 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1048
1049         * graphite-scop-detection.c (is_scop_p): New.
1050         (build_scops_new): New. A skeleton for the new scop detection.
1051         (build_scops_old): Renamed from build_scops.
1052         (build_scops): New version. Call the new and the old scop
1053         detection.
1054
1055 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1056             Antoniu Pop  <antoniu.pop@gmail.com>
1057
1058         * Makefile.in (OBJS-common): Add refined-regions.o.
1059         (refined-regions.o): New.
1060         (graphite-scop-detection.o): Use refined-regions.h.
1061         * graphite-scop-detection.c: Include refined-regions.h
1062         (build_scops): Also build the refined region tree.
1063         * refined-regions.c: New. Adds an algorithm to detect refined
1064         regions.
1065         (print_refined_region): New.
1066         (debug_refined_region): New.
1067         (refined_region_contains_bb_p): New.
1068         (refined_region_contains_region_p): New.
1069         (is_common_df): New.
1070         (struct find_regions_global_data): New.
1071         (is_region): New.
1072         (typedef struct bb_bb_def): New.
1073         (new_bb_bb_def): New.
1074         (bb_bb_map_hash): New.
1075         (eq_bb_bb_map): New.
1076         (find_new_bb): New.
1077         (bb_reg_def): New.
1078         (new_bb_reg_def): New.
1079         (bb_reg_map_hash): New.
1080         (eq_bb_reg_map): New.
1081         (find_new_region): New.
1082         (insert_new_reg): New.
1083         (insert_new_bb): New.
1084         (insert_shortcut): New.
1085         (get_next_postdom): New.
1086         (create_region): New.
1087         (find_regions_with_entry): New.
1088         (find_regions_adc): New.
1089         (find_regions): New.
1090         (get_topmost_parent): New.
1091         (build_regions_tree): New.
1092         (calculate_region_tree): New.
1093         (free_region_tree): New.
1094         * refined-regions.h: New.
1095         (struct refined_region): New.
1096         (calculate_region_tree): New.
1097         (free_region_tree): New.
1098         (refined_region_contains_bb_p): New.
1099         (refined_region_contains_region_p): New.
1100         (print_refined_region): New.
1101         (debug_refined_region): New.
1102
1103 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1104
1105         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1106         size_one_node.
1107
1108 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1109
1110         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1111         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1112
1113 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1114
1115         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1116         phi_arg_in_outermost_loop.
1117         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1118         (remove_invariant_phi): Same.
1119
1120 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1121
1122         * graphite-blocking.c
1123         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1124         * graphite-clast-to-gimple.c
1125         (clast_to_gcc_expression): Same.
1126         (precision_for_value): Same.
1127         (precision_for_interval): Same.
1128         (gcc_type_for_interval): Same.
1129         (graphite_create_new_guard): Same.
1130         (compute_bounds_for_level): Same.
1131         (graphite_create_new_loop_guard): Same.
1132         * graphite-interchange.c
1133         (build_linearized_memory_access): Same.
1134         (pdr_stride_in_loop): Same.
1135         (memory_strides_in_loop_1): Same.
1136         (memory_strides_in_loop): Same.
1137         (extend_scattering): Same.
1138         (psct_scattering_dim_for_loop_depth): Same.
1139         (pbb_number_of_iterations): Same.
1140         * graphite-poly.h
1141         (debug_iteration_domains): Same.
1142         * graphite-ppl.c
1143         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1144         (ppl_set_inhomogeneous_gmp): Same.
1145         (ppl_strip_loop): Same.
1146         (ppl_lexico_compare_linear_expressions): Same.
1147         (ppl_read_polyhedron_matrix): Same.
1148         (ppl_max_for_le_pointset): Same.
1149         * graphite-ppl.h
1150         (ppl_read_polyhedron_matrix): Same.
1151         (tree_int_to_gmp): Same.
1152         (gmp_cst_to_tree): Same.
1153         (ppl_set_inhomogeneous): Same.
1154         (ppl_set_inhomogeneous_tree): Same.
1155         (ppl_set_coef): Same.
1156         (ppl_set_coef_tree): Same.
1157         * graphite-sese-to-poly.c
1158         (build_pbb_scattering_polyhedrons): Same.
1159         (build_scop_scattering): Same.
1160         (scan_tree_for_params_right_scev): Same.
1161         (scan_tree_for_params): Same.
1162         (find_params_in_bb): Same.
1163         (find_scop_parameters): Same.
1164         (add_upper_bounds_from_estimated_nit): Same.
1165         (build_loop_iteration_domains): Same.
1166         (add_condition_to_domain): Same.
1167         (pdr_add_memory_accesses): Same.
1168
1169 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1170
1171         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1172         CLooG's value_* macros to their respective mpz_* counterparts.
1173         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1174         (graphite_create_new_loop_guard): Same.
1175         * graphite-interchange.c (build_linearized_memory_access): Same.
1176         (pdr_stride_in_loop): Same.
1177         (memory_strides_in_loop_1): Same.
1178         (1st_interchange_profitable_p): Same.
1179         * graphite-poly.c (extend_scattering): Same.
1180         (psct_scattering_dim_for_loop_depth): Same.
1181         (pbb_number_of_iterations): Same.
1182         (pbb_number_of_iterations_at_time): Same.
1183         * graphite-poly.h (new_1st_loop): Same.
1184         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1185         (oppose_constraint): Same.
1186         (insert_constraint_into_matrix): Same.
1187         (ppl_set_inhomogeneous_gmp): Same.
1188         (ppl_set_coef_gmp): Same.
1189         (ppl_strip_loop): Same.
1190         (ppl_lexico_compare_linear_expressions): Same.
1191         (ppl_max_for_le_pointset): Same.
1192         (ppl_min_for_le_pointset): Same.
1193         (ppl_build_realtion): Same.
1194         * graphite-ppl.h (gmp_cst_to_tree): Same.
1195         (ppl_set_inhomogeneous): Same.
1196         (ppl_set_inhomogeneous_tree): Same.
1197         (ppl_set_coef): Same.
1198         (ppl_set_coef_tree): Same.
1199         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1200         (build_scop_scattering): Same.
1201         (add_value_to_dim): Same.
1202         (scan_tree_for_params_right_scev): Same.
1203         (scan_tree_for_params_int): Same.
1204         (scan_tree_for_params): Same.
1205         (find_params_in_bb): Same.
1206         (find_scop_parameters): Same.
1207         (add_upper_bounds_from_estimated_nit): Same.
1208         (build_loop_iteration_domains): Same.
1209         (create_linear_expr_from_tree): Same.
1210         (add_condition_to_domain): Same.
1211         (pdr_add_memory_accesses): Same.
1212
1213 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         PR middle-end/43519
1216         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1217         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1218         When converting an unsigned type to signed, double its precision.
1219         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1220         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1221         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1222
1223 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         PR middle-end/43519
1226         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1227         build_nonstandard_integer_type.
1228         (gcc_type_for_interval): Same.
1229
1230 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         PR middle-end/43519
1233         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1234         POINTER_PLUS_EXPR for pointer types.
1235
1236         * gcc.dg/graphite/id-19.c: New.
1237
1238 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         PR middle-end/43519
1241         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1242         * graphite-clast-to-gimple.c: Include langhooks.h.
1243         (max_signed_precision_type): New.
1244         (max_precision_type): Takes two types as arguments.
1245         (precision_for_value): New.
1246         (precision_for_interval): New.
1247         (gcc_type_for_interval): New.
1248         (gcc_type_for_value): New.
1249         (gcc_type_for_clast_term): New.
1250         (gcc_type_for_clast_red): New.
1251         (gcc_type_for_clast_bin): New.
1252         (gcc_type_for_clast_expr): Split up into several functions.
1253         (gcc_type_for_clast_eq): Rewritten.
1254         (compute_bounds_for_level): New.
1255         (compute_type_for_level_1): New.
1256         (compute_type_for_level): New.
1257         (gcc_type_for_cloog_iv): Removed.
1258         (gcc_type_for_iv_of_clast_loop): Rewritten.
1259         (graphite_create_new_loop): Compute the lower and upper bound types
1260         with gcc_type_for_clast_expr.
1261         (graphite_create_new_loop_guard): Same.
1262         (find_cloog_iv_in_expr): Removed.
1263         (compute_cloog_iv_types_1): Removed.
1264         (compute_cloog_iv_types): Removed.
1265         (gloog): Do not call compute_cloog_iv_types.
1266         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1267         GBB_CLOOG_IV_TYPES.
1268         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1269         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1270         (GBB_CLOOG_IV_TYPES): Removed.
1271
1272         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1273
1274 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         Reverted this commit: as at this point the loop closed SSA form
1277         is under a canonical form respecting the single argument condition.
1278         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1279         close phi nodes may have more than one argument.
1280
1281 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1282
1283         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1284         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1285         (detect_commutative_reduction): Same.
1286
1287 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1290         close phi nodes may have more than one argument.
1291
1292 2010-03-30  Richard Guenther  <rguenther@suse.de>
1293             Zdenek Dvorak  <ook@ucw.cz>
1294             Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         PR middle-end/43464
1297         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1298         with multiple arguments.
1299         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1300
1301 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1302
1303         * graphite-dependences.c (print_pddr): Call print_pdr with an
1304         extra argument.
1305         * graphite-poly.c (debug_pdr): Add an extra argument for the
1306         verbosity level.
1307         (print_pdr): Same.
1308         (print_pbb_domain): Same.
1309         (print_pbb): Same.
1310         (print_scop_context): Same.
1311         (print_scop): Same.
1312         (print_cloog): Same.
1313         (debug_pbb_domain): Same.
1314         (debug_pbb): Same.
1315         (print_pdrs): Same.
1316         (debug_pdrs): Same.
1317         (debug_scop_context): Same.
1318         (debug_scop): Same.
1319         (debug_cloog): Same.
1320         (print_scop_params): Same.
1321         (debug_scop_params): Same.
1322         (print_iteration_domain): Same.
1323         (print_iteration_domains): Same.
1324         (debug_iteration_domain): Same.
1325         (debug_iteration_domains): Same.
1326         (print_scattering_function): Same.
1327         (print_scattering_functions): Same.
1328         (debug_scattering_function): Same.
1329         (debug_scattering_functions): Same.
1330         * graphite-poly.h (debug_pdr): Update declaration.
1331         (print_pdr): Same.
1332         (print_pbb_domain): Same.
1333         (print_pbb): Same.
1334         (print_scop_context): Same.
1335         (print_scop): Same.
1336         (print_cloog): Same.
1337         (debug_pbb_domain): Same.
1338         (debug_pbb): Same.
1339         (print_pdrs): Same.
1340         (debug_pdrs): Same.
1341         (debug_scop_context): Same.
1342         (debug_scop): Same.
1343         (debug_cloog): Same.
1344         (print_scop_params): Same.
1345         (debug_scop_params): Same.
1346         (print_iteration_domain): Same.
1347         (print_iteration_domains): Same.
1348         (debug_iteration_domain): Same.
1349         (debug_iteration_domains): Same.
1350         (print_scattering_function): Same.
1351         (print_scattering_functions): Same.
1352         (debug_scattering_function): Same.
1353         (debug_scattering_functions): Same.
1354
1355 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * graphite-poly.c (print_scattering_function_1): New.
1358         (print_scattering_function): Call it.
1359         (print_scop_params): Remove spaces at the end of lines.
1360         (print_cloog): New.
1361         (debug_cloog): New.
1362         * graphite-poly.h (print_cloog): Declared.
1363         (debug_cloog): Declared.
1364
1365 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * tree-ssa-copy.c: Revert this previous change:
1368         (init_copy_prop): Loop closed phi nodes cancontain more than one
1369         argument.
1370         (execute_copy_prop): Revert the previous change: do not call
1371         rewrite_into_loop_closed_ssa.
1372
1373 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1374             Richard Guenther  <rguenther@suse.de>
1375
1376         PR middle-end/43464
1377         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1378         contain more than one argument.
1379         (execute_copy_prop): Revert the previous change: do not call
1380         rewrite_into_loop_closed_ssa.
1381
1382         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1383         * gcc.dg/graphite/id-pr43464-1.c: New.
1384
1385 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         PR middle-end/43464
1388         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1389         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1390
1391         * gcc.dg/graphite/id-pr43464.c: New.
1392
1393 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1396         in loop->header.
1397         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1398         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1399         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1400         to switch between adding the IV bump in loop->latch or in loop->header.
1401
1402 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * passes.c (init_optimization_passes): Add pass_copy_prop
1405         after Graphite.
1406
1407 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-poly.c (print_scattering_function): Pretty print following
1410         the scoplib format.
1411         (print_pdr): Same.
1412         (print_pbb_domain): Same.
1413         (dump_gbb_cases): Same.
1414         (dump_gbb_conditions): Same.
1415         (print_pdrs): Same.
1416         (print_pbb): Same.
1417         (print_scop_params): Same.
1418         (print_scop_context): Same.
1419         (print_scop): Same.
1420         (print_pbb_body): New.
1421         (lst_indent_to): New.
1422         (print_lst): Start new lines with a #.
1423         * graphite-poly.h (pbb_bb): New.
1424         (pbb_index): Use pbb_bb.
1425         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1426         disjuncts.
1427         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1428
1429 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         PR middle-end/43351
1432         * gcc.dg/graphite/id-pr43351.c
1433
1434 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1435
1436         PR middle-end/43354
1437         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1438         call insert_out_of_ssa_copy for default definitions.
1439         * gfortran.dg/graphite/id-pr43354.f: New.
1440
1441 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1442
1443         PR middle-end/43349
1444         * gfortran.dg/graphite/pr43349.f: New.
1445
1446 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-clast-to-gimple.c (my_long_long): Defined.
1449         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1450         * graphite-sese-to-poly.c (my_long_long): Defined.
1451         (scop_ivs_can_be_represented): Use it.
1452
1453 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1454
1455         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1456         graphite-max-bbs-per-function, and loop-block-tile-size.
1457         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1458         with "maximum".
1459         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1460
1461 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1464         forward declaration.
1465         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1466         (add_upper_bounds_from_estimated_nit): New.
1467         (build_loop_iteration_domains): Use it.
1468
1469 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1472
1473 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         PR middle-end/43306
1476         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1477         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1478         * gcc.dg/graphite/pr43306.c: New.
1479
1480 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * graphite.c (graphite_initialize): To bound the number of bbs per
1483         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1484         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1485         * doc/invoke.texi: Document it.
1486
1487 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1490         * graphite-sese-to-poly.h (build_poly_scop): Same.
1491
1492 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1493
1494         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1495         the number of parameters in the scop.  Use as an upper bound
1496         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1497         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1498         * doc/invoke.texi: Document it.
1499
1500 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * graphite-sese-to-poly.c (add_param_constraints): Use
1503         lower_bound_in_type and upper_bound_in_type.
1504
1505 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1508         instead of unsigned_type_node.
1509
1510 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1511             Reza Yazdani  <reza.yazdani@amd.com>
1512
1513         PR middle-end/43065
1514         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1515         on pointer type parameters.
1516
1517         * gcc.dg/graphite/run-id-4.c: New.
1518
1519 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1520
1521         PR middle-end/43065
1522         * gcc.dg/graphite/run-id-3.c: New.
1523
1524 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1525             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1526
1527         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1528         handle conversions from pointer to integers.
1529         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1530         induction variable, to be able to work with code generated by CLooG.
1531         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1532         (build_poly_scop): Bail out if we cannot codegen a loop.
1533
1534 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1535
1536         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1537         code generation with gloog_error.
1538
1539 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1542         Call fold_convert on all the returned values.
1543         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1544         the type of the resulting expression.
1545
1546 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1549         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1550         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1551
1552 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1553
1554         * graphite-dependences.c (map_into_dep_poly): Removed.
1555         (dependence_polyhedron_1): Use combine_context_id_scat.
1556
1557 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1560         (struct poly_bb): Same.
1561         (combine_context_id_scat): New.
1562
1563 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1564
1565         PR middle-end/42326
1566         * sese.c (name_defined_in_loop_p): Return false for default
1567         definitions.
1568
1569         * gcc.dg/graphite/pr42326.c: New.
1570
1571 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1572
1573         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1574         and clean up the logic.
1575
1576 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1577
1578         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1579         early return.
1580
1581 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         PR middle-end/43083
1584         * graphite-scop-detection.c (create_single_exit_edge): Move
1585         the call to find_single_exit_edge to....
1586         (create_sese_edges): ...here.  Don't handle multiple edges
1587         exiting the function.
1588         (build_graphite_scops): Don't handle multiple edges
1589         exiting the function.
1590
1591         * gcc.dg/graphite/pr43083.c: New.
1592
1593 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1594
1595         PR middle-end/43097
1596         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1597         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1598
1599         * gfortran.dg/graphite/pr43097.f: New.
1600
1601 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1602             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1603
1604         PR middle-end/43140
1605         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1606
1607 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1608
1609         PR middle-end/43026
1610         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1611
1612         * g++.dg/graphite/pr43026.C: New.
1613
1614 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1615
1616         * Merge from mainline (154736:156693).
1617
1618 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         PR middle-end/43012
1621         * gcc.dg/graphite/pr43012.c: New.
1622
1623 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1626 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * g++.dg/graphite/pr42930.C: New.
1629
1630 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         PR middle-end/42930
1633         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1634         graphite_can_represent_init for MULT_EXPR.
1635
1636 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1637
1638         PR middle-end/42914
1639         PR middle-end/42530
1640         * graphite-sese-to-poly.c (remove_phi): New.
1641         (translate_scalar_reduction_to_array): Call remove_phi.
1642
1643         * gcc.dg/graphite/pr42530.c: New.
1644         * gcc.dg/graphite/pr42914.c: New.
1645
1646 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         PR middle-end/42771
1649         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1650         * graphite-clast-to-gimple.h (gloog): Update declaration.
1651         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1652         * graphite-poly.h (struct poly_bb): Add missing comments.
1653         (struct scop): Add poly_scop_p field.
1654         (POLY_SCOP_P): New.
1655         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1656         * graphite.c (graphite_transform_loops): Build the polyhedral
1657         representation for each scop before code generation.
1658         * sese.c (rename_variables_in_operand): Removed.
1659         (rename_variables_in_expr): Return the renamed expression.
1660         (rename_sese_parameters): New.
1661         * sese.h (rename_sese_parameters): Declared.
1662
1663         * gcc.dg/graphite/pr42771.c: New.
1664
1665 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1666
1667         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1668         return 0 from main.
1669         * gcc.dg/graphite/block-1.c: Same.
1670         * gcc.dg/graphite/block-3.c: Same.
1671         * gcc.dg/graphite/block-4.c: Same.
1672         * gcc.dg/graphite/block-5.c: Same.
1673         * gcc.dg/graphite/block-6.c: Same.
1674         * gcc.dg/graphite/block-7.c: Same.
1675         * gcc.dg/graphite/interchange-0.c: Same.
1676         * gcc.dg/graphite/interchange-1.c: Same.
1677         * gcc.dg/graphite/interchange-10.c: Same.
1678         * gcc.dg/graphite/interchange-11.c: Same.
1679         * gcc.dg/graphite/interchange-12.c: Same.
1680         * gcc.dg/graphite/interchange-2.c: Same.
1681         * gcc.dg/graphite/interchange-3.c: Same.
1682         * gcc.dg/graphite/interchange-4.c: Same.
1683         * gcc.dg/graphite/interchange-5.c: Same.
1684         * gcc.dg/graphite/interchange-6.c: Same.
1685         * gcc.dg/graphite/interchange-7.c: Same.
1686         * gcc.dg/graphite/interchange-8.c: Same.
1687         * gcc.dg/graphite/interchange-9.c: Same.
1688         * gcc.dg/graphite/interchange-mvt.c: Same.
1689
1690 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         * gfortran.dg/graphite/id-19.f: New.
1693         * gfortran.dg/graphite/pr14741.f90: New.
1694         * gfortran.dg/graphite/pr41924.f90: New.
1695         * gfortran.dg/graphite/run-id-2.f90: New.
1696
1697 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         PR middle-end/42988
1700         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1701         to unknown_dependence.
1702         (graphite_legal_transform_dr): Handle the unknown_dependence.
1703         (graphite_carried_dependence_level_k): Same.
1704
1705 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1708
1709 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1710             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1711
1712         PR middle-end/42637
1713         * graphite-dependences.c (build_lexicographical_constraint): Return
1714         a union of dependence polyhedra.
1715         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1716
1717         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1718         * gcc.dg/graphite/block-4.c: Same.
1719         * gcc.dg/graphite/block-7.c: Same.
1720         * gcc.dg/graphite/interchange-12.c: Same.
1721         * gcc.dg/graphite/interchange-mvt.c: Same.
1722         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1723         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1724         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1725
1726 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1729         the execution check to FAIL.  This testcase is miscompiled by Graphite
1730         and the check should be re-enabled.
1731         * gcc.dg/graphite/interchange-mvt.c: Same.
1732         * gcc.dg/graphite/block-0.c: Same.
1733         * gcc.dg/graphite/block-4.c: Same.
1734         * gcc.dg/graphite/block-7.c: Same.
1735
1736 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1737
1738         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1739         * gcc.dg/graphite/scop-0.c: Fix spaces.
1740         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1741         * gfortran.dg/graphite/block-2.f: Same.
1742         * gfortran.dg/graphite/block-3.f90: Same.
1743         * gfortran.dg/graphite/block-4.f90: Same.
1744         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1745         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1746
1747 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1750         PDDR_ORIGINAL_SCATTERING_P.
1751         (pddr_is_empty): Rewritten.
1752         (print_dependence_polyhedron_layout): New.
1753         (print_pddr): New.
1754         (debug_pddr): New.
1755         (build_alias_set_powerset): Moved up.
1756         (poly_drs_may_alias_p): Moved up.
1757         (lexicographically_gt_p): Removed.
1758         (build_lexicographically_gt_constraint): Renamed
1759         build_lexicographical_constraint, reimplemented.
1760         (dependence_polyhedron_1): Simplified parameters.
1761         (dependence_polyhedron): Same.  Keep along empty PDDRs
1762         to make efficient use of the cache.
1763         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1764         (graphite_legal_transform_dr): Rewritten.
1765         (graphite_legal_transform_bb): Pass fewer arguments to
1766         graphite_legal_transform_dr.
1767         (graphite_carried_dependence_level_k): Simplified implementation.
1768         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1769         (dot_transformed_deps_stmt_1): Same.
1770         (dot_original_deps): Same.
1771         (dot_transformed_deps): Same.
1772         * graphite-dependences.h (struct poly_ddr): Added a new field
1773         original_scattering_p.
1774         (PDDR_ORIGINAL_SCATTERING_P): New.
1775         (print_pddr): Declared.
1776         (debug_pddr): Declared.
1777         * graphite-ppl.c: Clarify comment.
1778         * sese.h (print_gimple_bb): Removed unused declaration.
1779         (debug_gbb): Same.
1780
1781 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * g++.dg/graphite/graphite.exp: Rewritten.
1784         * gcc.dg/graphite/graphite.exp: Rewritten.
1785         * gfortran.dg/graphite/graphite.exp: Rewritten.
1786         * gcc.dg/graphite/block-0.c: Added runtime test.
1787         * gcc.dg/graphite/block-1.c: Same.
1788         * gcc.dg/graphite/block-3.c: Same.
1789         * gcc.dg/graphite/block-4.c: Same.
1790         * gcc.dg/graphite/block-5.c: Same.
1791         * gcc.dg/graphite/block-6.c: Same.
1792         * gcc.dg/graphite/block-7.c: Same.
1793         * gcc.dg/graphite/interchange-0.c: Same.
1794         * gcc.dg/graphite/interchange-1.c: Same.
1795         * gcc.dg/graphite/interchange-10.c: Same.
1796         * gcc.dg/graphite/interchange-11.c: Same.
1797         * gcc.dg/graphite/interchange-12.c: Same.
1798         * gcc.dg/graphite/interchange-2.c: Same.
1799         * gcc.dg/graphite/interchange-3.c: Same.
1800         * gcc.dg/graphite/interchange-4.c: Same.
1801         * gcc.dg/graphite/interchange-5.c: Same.
1802         * gcc.dg/graphite/interchange-6.c: Same.
1803         * gcc.dg/graphite/interchange-7.c: Same.
1804         * gcc.dg/graphite/interchange-8.c: Same.
1805         * gcc.dg/graphite/interchange-9.c: Same.
1806         * gcc.dg/graphite/interchange-mvt.c: Same.
1807         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1808
1809 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1810
1811         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1812           background.
1813
1814 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1815
1816         * common.opt: Add -fgraphite-cloog-opts.
1817         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1818         * opts.c (decode_options): Same.
1819
1820 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * gcc.dg/graphite/id-17.c: New.
1823         * gcc.dg/graphite/pr41888.c: New.
1824         * gcc.dg/graphite/scop-22.c: New.
1825         * gfortran.dg/graphite/pr40982.f90: New.
1826
1827 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1828
1829         * graphite-dependences.c: Clarify comments.
1830         (build_pddr): Add an extra parameter direction.
1831         (graphite_legal_transform_dr): Use build_pddr.
1832         (dot_original_deps_stmt_1): Update use of build_pddr.
1833         (dot_transformed_deps_stmt_1): Same.
1834         (dot_original_deps): Same.
1835         (dot_transformed_deps): Same.
1836
1837         * gcc.dg/graphite/interchange-12.c: New.
1838         * gcc.dg/graphite/block-7.c: New.
1839
1840 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1841
1842         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1843         (pddr_transformed_scattering): Removed.
1844         (graphite_legal_transform_dr): Use build_pddr.
1845         (dot_original_deps_stmt_1): Same.
1846         (dot_transformed_deps_stmt_1): Same.
1847         (dot_original_deps): Same.
1848         (dot_transformed_deps): Same.
1849
1850 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1853         (build_lexicographically_gt_constraint): Same.
1854         (dependence_polyhedron_1): Same.
1855         (dependence_polyhedron): Same.
1856
1857 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1860         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1861         (lexicographically_gt_p): Change type of direction to int.
1862         (build_lexicographically_gt_constraint): Same.
1863         (dependence_polyhedron_1): Same.
1864         (dependence_polyhedron): Same.
1865         (pddr_original_scattering): Use integers for direction.
1866         (pddr_transformed_scattering): Same.
1867         (graphite_legal_transform_dr): Same.
1868         (graphite_carried_dependence_level_k): Same.
1869
1870 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-dependences.c (build_pairwise_constraint): Renamed
1873         ppl_build_relation.  Moved...
1874         (dr_equality_constraints): Use ppl_build_relation.
1875         (build_pairwise_scheduling_equality): Same.
1876         (build_pairwise_scheduling_inequality): Same.
1877         * graphite-ppl.c (ppl_build_relation): ...here.
1878         * graphite-ppl.h (ppl_build_relation): Declared.
1879
1880 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         PR middle-end/42681
1883         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1884         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1885         Set gloog_error when such an expression failed to be built.
1886         (translate_clast): Early return when gloog_error is set.
1887         (gloog): Clear gloog_error.  When gloog_error is set, call
1888         set_ifsese_condition to enable the original code.  Return the status
1889         of the code generation based on gloog_error.
1890         * sese.c (set_ifsese_condition): New.
1891         * sese.h (set_ifsese_condition): Declared.
1892
1893         * g++.dg/graphite/pr42681.C: New.
1894
1895 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         PR middle-end/42732
1898         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1899         rename_nb_iterations.
1900         * sese.c (rename_variables_in_operand): New.
1901         (rename_variables_in_expr): New.
1902         (rename_nb_iterations): New.
1903         (sese_adjust_liveout_phis): Update the rename_map.
1904         * sese.h (rename_nb_iterations): Declared.
1905         * tree-scalar-evolution.c (scev_reset_htab): New.
1906         (scev_reset): Call scev_reset_htab.
1907         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1908
1909         * gfortran.dg/graphite/pr42732.f: New.
1910
1911 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         PR middle-end/42393
1914         * graphite-clast-to-gimple.c: Fix formatting.
1915         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1916         (expr_defined_in_loop_p): New.
1917         (add_loop_exit_phis): Also handle full expressions: remove from
1918         the rename_map the expressions defined in the loop that we're closing.
1919
1920         * gfortran.dg/graphite/pr42393-1.f90: New.
1921         * gfortran.dg/graphite/pr42393.f90: Add new flags
1922         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1923         make this testcase useful in the Graphite branch.
1924
1925 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1926
1927         * graphite-scop-detection.c (exclude_component_ref): Removed.
1928         (is_simple_operand): Removed.
1929         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1930
1931 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         PR middle-end/42221
1934         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1935         the array indexing of ADDR_EXPRs.
1936
1937         * gcc.dg/graphite/pr42221.c: New.
1938
1939 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         PR middle-end/42521
1942         * graphite.c (graphite_finalize): Call scev_reset.
1943         (graphite_transform_loops): Do not call scev_reset between the code
1944         generation of scops.
1945
1946         * gcc.dg/graphite/pr42521.c: New.
1947
1948 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         * graphite-interchange.c (memory_stride_in_loop): Renamed
1951         pdr_stride_in_loop.
1952         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1953         (memory_strides_in_loop): Memoize the memory strides per loop.
1954         (lst_interchange_profitable_p): Do not initialize to zero the memory
1955         strides.
1956         * graphite-poly.h (struct lst): Add a field memory_strides.
1957         (LST_LOOP_MEMORY_STRIDES): New.
1958         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1959         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1960
1961 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1964         memory_strides_in_loop.  Gather memory strides on a whole loop.
1965         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1966         (lst_interchange_profitable_p): Removed.
1967         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1968
1969 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1970
1971         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1972         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1973         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1974         Remove context_loop and level.
1975
1976 2010-01-07  Richard Guenther  <rguenther@suse.de>
1977
1978         PR tree-optimization/42641
1979         * sese.c (rename_map_elt_info): Use the SSA name version, do
1980         not hash pointers.
1981
1982 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1983
1984         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1985         blocked" only when both the strip mine and the interchange have
1986         been applied.
1987
1988         * gcc.dg/graphite/block-2.c: Removed.
1989         * gcc.dg/graphite/block-3.c: Add scan pattern.
1990         * gcc.dg/graphite/block-4.c: Same.
1991         * gcc.dg/graphite/block-5.c: Same.
1992         * gcc.dg/graphite/block-6.c: Same.
1993
1994 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1995
1996         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1997         before allocating a new one.
1998         (copy_renames): Check that slot is not NULL.
1999         (mark_bb_with_pbb): Same.
2000         (compute_cloog_iv_types_1): Same.
2001         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2002         nest, and after LSTs.
2003         (lst_try_interchange_loops): Same.
2004
2005 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         PR middle-end/42178
2008         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2009         the before, nest, and after LSTs.
2010         (lst_try_interchange): Removed.
2011         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2012         were modified.
2013         (lst_interchange_select_outer): Apply interchange on the outer loop
2014         until there are no more changes in the inner loops.
2015
2016 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         Revert patch fixing PR middle-end/42221.
2019
2020 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2021
2022         PR middle-end/42180
2023         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2024         GIMPLE_CALL.
2025
2026         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2027
2028 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         PR middle-end/42180
2031         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2032         that contain only one statement.
2033
2034         * gfortran.dg/graphite/pr42180.f90: New.
2035
2036 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         PR middle-end/42393
2039         * gfortran.dg/graphite/pr42393.f90: New.
2040
2041 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         PR middle-end/42186
2044         * gfortran.dg/graphite/pr42186.f90: New.
2045
2046 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         PR middle-end/42205
2049         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2050         Insert the reduction copy in the same block as the phi node.
2051         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2052
2053         * gcc.dg/graphite/pr42205-1.c: New.
2054         * gcc.dg/graphite/pr42205-2.c: New.
2055
2056 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2057
2058         PR middle-end/42221
2059         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2060         the array indexing of ADDR_EXPRs.
2061
2062         * gcc.dg/graphite/pr42221.c: New.
2063
2064 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         PR middle-end/42178
2067         PR middle-end/42334
2068         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2069         index.  Call lst_interchange_select_inner only once.
2070         (lst_interchange_select_inner): Update use of lst_try_interchange.
2071         (lst_interchange_select_outer): Update.
2072
2073 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         PR middle-end/42178
2076         PR middle-end/42334
2077         * graphite-interchange.c (lst_try_interchange): Do not increment the
2078         the OUTER index when there is no AFTER kernel.  Do not increment the
2079         OUTER index for after processing the AFTER kernel.
2080         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2081         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2082         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2083         (scop_do_interchange): Update use of lst_interchange_select_outer.
2084
2085         * gfortran.dg/graphite/graphite.exp
2086         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2087         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2088         the graphite dump file.
2089         * gfortran.dg/graphite/interchange-2.f: Same.
2090         * gfortran.dg/graphite/pr42334-1.f: New.
2091
2092 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2093
2094         PR middle-end/42178
2095         PR middle-end/42334
2096         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2097         that are empty.
2098         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2099         (lst_try_interchange): Reimplemented.
2100         (lst_interchange_select_inner): Same.
2101         (lst_do_interchange): Renamed lst_interchange_select_outer.
2102         Reimplemented.
2103         (scop_do_interchange): Update use of lst_interchange_select_outer.
2104
2105         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2106         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2107         * gcc.dg/graphite/pr42211.c: New.
2108         * gfortran.dg/graphite/pr42334.f90: New.
2109
2110 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         PR middle-end/42181
2113         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2114         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2115
2116         * gfortran.dg/graphite/pr42181.f90: New.
2117
2118 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2119
2120         PR middle-end/42284
2121         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2122         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2123         (detect_commutative_reduction_arg): Simplified.
2124         (detect_commutative_reduction): Early return when the argument of
2125         the close phi is not of an SSA_NAME.
2126
2127         * gcc.dg/graphite/pr42284.c: New.
2128
2129 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2130
2131         * dbgcnt.def (graphite_scop): New counter.
2132         * graphite.c: Include dbgcnt.h
2133         (graphite_transform_loops): Use new counter to limit transformations.
2134
2135 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2136
2137         PR middle-end/42285
2138         * graphite-scop-detection.c (graphite_can_represent_init): Also
2139         handle more complex MULT_EXPRs containing parameters by recursion
2140         on the structure.
2141
2142         * gfortran.dg/graphite/pr42285.f90: New.
2143
2144 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2145
2146         * g++.dg/graphite/pr42130.C: Fix type.
2147
2148 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2149
2150         * g++.dg/graphite/pr42130.C: Correct testcase.
2151
2152 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2153
2154         * Merge from mainline (154493:154734).
2155
2156 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2157
2158         * Merge from mainline (151362:154491).
2159
2160 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2161
2162         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2163         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2164
2165 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2166
2167         PR middle-end/42130
2168         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2169         translate_clast_for_loop): New.
2170         (translate_clast_for): Add a condition around the loop, to do not
2171         execute loops with zero iterations.
2172         * g++.dg/graphite/pr42130.C: New.
2173         * gcc.dg/graphite/pr35356-2.c: Adapt.
2174
2175 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2176
2177         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2178         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2179         Remove context_loop and level.
2180
2181 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2182
2183         * graphite-clast-to-gimple.c (translate_clast_user,
2184         translate_clast_for, translate_clast_guard): Simplify and move common
2185         elements to translate_clast().
2186         (translate_clast): Simplify and get common elements.
2187
2188 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2189
2190         * graphite-clast-to-gimple.c (translate_clast_user,
2191         translate_clast_for, translate_clast_guard): Split out of
2192         translate_clast.
2193
2194 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2195
2196         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2197         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2198         debug_clast_name_indexes_1, debug_clast_name_indexes,
2199         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2200         (clast_name_to_gcc, clast_to_gcc_expression,
2201         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2202         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2203         graphite_create_guard_cond_expr, graphite_create_new_loop,
2204         translate_clast): Add params_index.
2205         (initialize_cloog_names): Create parameter strings from scratch, do
2206         not reference other strings.
2207         (create_params_index): New.
2208         (gloog): Initialize params_index.
2209         * graphite-scop-detection (free_scops_1): Removed.
2210         (limit_scops): Use normal free_scops.
2211         * graphite-sese-to-poly.c (save_var_names): Removed.
2212         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2213         and SESE_PARAMS_INDEX.
2214         * sese.c (new_sese, free_sese): Dito.
2215         * sese.h (struct sese): Remove params_index, params_names.
2216         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2217
2218 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         Revert the following patch from 2009-09-14:
2221         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2222         tree-scalar-evolution.h, and then tree-data-ref.h.
2223         * graphite-clast-to-gimple.c: Same.
2224         * graphite-dependences.c: Same.
2225         * graphite-interchange.c: Same.
2226         * graphite-poly.c: Same.
2227         * graphite-scop-detection.c: Same.
2228         * graphite-sese-to-poly.c: Same.
2229         * graphite.c: Same.
2230         * lambda-code.c: Same.
2231         * matrix-reorg.c: Same.
2232         * tree-data-ref.c: Same.
2233         * tree-if-conv.c: Same.
2234         * tree-loop-distribu: Same.: Same.
2235         * tree-loop-linear.c: Same.
2236         * tree-parloops.c: Same.
2237         * tree-predcom.c: Same.
2238         * tree-vect-patterns.c: Same.
2239
2240 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         Revert patch from 2009-09-14.
2243         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2244         passes at -O1 and below.
2245
2246 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2247
2248         PR middle-end/40281
2249         * gcc.dg/graphite/pr40281.c: New.
2250
2251         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2252         evolutions should not variate in inner loops.
2253
2254 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         PR middle-end/42050
2257         * gfortran.dg/graphite/pr42050.f90: New.
2258
2259 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2260
2261         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2262         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2263
2264 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2265
2266         * graphite-blocking.c (scop_do_block): New.
2267         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2268         * graphite-poly.h (scop_do_block): Declared.
2269
2270 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2271
2272         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2273         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2274         to transform depth into the time_depth before calling
2275         pbb_number_of_iterations_at_time.
2276         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2277         lst_depth.
2278
2279 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         Reverted the patch for "scattering permutations" from 2009-10-28.
2282
2283         * graphite-poly.c (print_permutation): New.
2284         (debug_permutation): New.
2285         (new_poly_bb): Initialize PBB_PERMUTATION.
2286         (free_poly_bb): Free PBB_PERMUTATION.
2287         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2288         (struct pbb_permutation_elt): New.
2289         (PBB_PERMUTATION_ELT_STRIDE): New.
2290         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2291         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2292         (new_pbb_permutation_elt): New.
2293         (pbb_permutation_elt_free): New.
2294         (struct poly_bb): Add field permutation.
2295         (PBB_PERMUTATION): New.
2296         (print_permutation): Declared.
2297         (debug_permutation): Declared.
2298
2299 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2300
2301         * graphite-interchange.c (build_partial_difference): New.
2302         (memory_stride_in_loop): Refactored the computation of
2303         equality constraints into build_partial_difference function.
2304         Added support for debugging stride computations.
2305
2306 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         * graphite-clast-to-gimple.c (gloog): Free if_region,
2309         if_region->true_region, and if_region->region.
2310         * sese.c (if_region_set_false_region): Free if_region->false_region.
2311         (create_if_region_on_edge): Do not use GGC_NEW.
2312         (move_sese_in_condition): Remove useless initialization.
2313
2314 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2317         for the loops created by the loop distribution.  Do not modify the
2318         input LSTs.
2319         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2320         transformed schedule.  Call lst_update_scattering before data
2321         dependence analysis.
2322         (lst_try_interchange): Pass an extra parameter INDEX.
2323         (lst_do_interchange_1): New.
2324         (lst_do_interchange): Call lst_do_interchange_1.
2325         (scop_do_interchange): Call lst_update_scattering.
2326         * graphite-poly.c (apply_poly_transforms): Do not call
2327         lst_update_scattering.
2328         * graphite-poly.h (lst_pred): New.
2329         (lst_succ): New.
2330         (lst_find_first_pbb): Return NULL when not found.
2331         (lst_empty_p): New.
2332         (lst_insert_in_sequence): Allow LST1 to be NULL.
2333         (lst_replace): New.
2334         (lst_substitute_3): New.
2335         * gcc.dg/graphite/interchange-1.c: XFail.
2336         * gcc.dg/graphite/interchange-8.c: XFail.
2337         * gcc.dg/graphite/interchange-11.c: XFail.
2338
2339 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         * graphite-interchange.c (lst_perfectly_nested_p): New.
2342         (lst_perfect_nestify): New.
2343         (lst_try_interchange_loops): Call store_lst_schedule,
2344         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2345         (scop_do_interchange): Avoid redundant legality test.
2346         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2347         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2348         * graphite-poly.h (psct_static_dim): New.
2349         (lst_dewey_number_at_depth): New.
2350         (lst_find_pbb): Restructured.
2351         (lst_find_first_pbb): Restructured.
2352         (lst_find_last_pbb): New.
2353         (lst_contains_p): New.
2354         (lst_contains_pbb): New.
2355         (lst_create_nest): New.
2356         (lst_remove_from_sequence): New.
2357         (pbb_update_scattering): New.
2358         (lst_update_scattering_under): New.
2359         (lst_update_scattering_seq): New.
2360         (lst_update_scattering): New.
2361         (lst_insert_in_sequence): New.
2362         (lst_distribute_lst): New.
2363         (lst_remove_all_before_including_pbb): New.
2364         (lst_remove_all_before_excluding_pbb): New.
2365
2366 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2367
2368         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2369         get_loop_exit_edges.
2370
2371 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2372
2373         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2374
2375 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2376
2377         * graphite-poly.c (print_permutation): New.
2378         (debug_permutation): New.
2379         (new_poly_bb): Initialize PBB_PERMUTATION.
2380         (free_poly_bb): Free PBB_PERMUTATION.
2381         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2382         (struct pbb_permutation_elt): New.
2383         (PBB_PERMUTATION_ELT_STRIDE): New.
2384         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2385         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2386         (new_pbb_permutation_elt): New.
2387         (pbb_permutation_elt_free): New.
2388         (struct poly_bb): Add field permutation.
2389         (PBB_PERMUTATION): New.
2390         (print_permutation): Declared.
2391         (debug_permutation): Declared.
2392
2393 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * graphite-clast-to-gimple.c (gloog): Do not call
2396         sese_reset_aux_in_loops.
2397         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2398         extra argument for domains.  Do not use loop->aux.
2399         (build_scop_iteration_domain): Initialize and free domains, pass it
2400         to build_loop_iteration_domains and extract the information from
2401         domains.  Do not use loop->aux.
2402         * sese.c (sese_reset_aux_in_loops): Removed.
2403         * sese.h (sese_reset_aux_in_loops): Removed.
2404
2405 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2408         (dependency_in_loop_p): Same.
2409         (translate_clast): Do not use loop->aux.  Initialize
2410         loop->can_be_parallel.
2411         (mark_loops_parallel): Removed.
2412         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2413         * graphite.c (free_aux_in_new_loops): Removed.
2414         (graphite_finalize): Do not call free_aux_in_new_loops.
2415         (graphite_transform_loops): Do not call mark_loops_parallel.
2416
2417 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2418
2419         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2420         (translate_clast): Pass an extra parameter LEVEL.
2421         Call get_scattering_level.
2422         * graphite-clast-to-gimple.h (get_scattering_level): New.
2423
2424 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2425
2426         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2427         * cfgloop.h (struct loop): New field single_iv.
2428
2429         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2430         loop->aux anymore: use loop->single_iv.
2431         (graphite_loop_normal_form): Moved...
2432         (build_graphite_loop_normal_form): Removed.
2433         (gloog): Do not call build_graphite_loop_normal_form.
2434         (free_aux_in_new_loops): Moved...
2435         (mark_loops_parallel): Restructure.
2436         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2437         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2438         (scop_canonicalize_loops): New.
2439         (build_poly_scop): Call scop_canonicalize_loops.
2440         * graphite.c (free_aux_in_new_loops): ...here.
2441
2442 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2443
2444         * g++.dg/graphite/graphite.exp: Add the same rules as in
2445         gcc.dg/graphite/graphite.exp.
2446
2447 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2448
2449         * g++.dg/graphite/id-1.C: New.
2450
2451 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2454         argument base_name.
2455         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2456         (rewrite_phi_out_of_ssa): Same.
2457         (rewrite_cross_bb_scalar_deps): Same.
2458         (translate_scalar_reduction_to_array): Same.
2459
2460 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2463         dump_alias_graphs.
2464
2465 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2468         (build_scop_drs): Call dump_alias_graphs.
2469
2470 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2473         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2474         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2475         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2476         * graphite-poly.h (free_lst): New.
2477         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2478         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2479
2480 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         * graphite-poly.h (struct scop): Add a field saved_schedule.
2483         (SCOP_SAVED_SCHEDULE): New.
2484         (store_lst_schedule): New.
2485         (restore_lst_schedule): New.
2486         (store_scattering): Call store_lst_schedule.
2487         (restore_scattering): Call restore_lst_schedule.
2488
2489 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2492         (pdr_add_alias_set): Same.
2493         (build_poly_dr): Same.
2494         (build_alias_set_optimal_p): Same.
2495         (build_base_obj_set_for_drs): Same.  Do not store the result of
2496         graphds_dfs.
2497
2498 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2501         all_components_are_cliques to 1.
2502
2503 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2504
2505         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2506         the new structure.
2507         (pdr_add_alias_set): Update retrieving alias_set_num.
2508         (build_poly_dr): Update retrieving dr_base_object_set.
2509         (partition_drs_to_sets): Remove.
2510         (build_alias_set_optimal_p): New.
2511         (build_alias_set_for_drs): Rename.
2512         (build_scop_drs): Update.
2513         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2514         (ALIAS_SET_INDEX): Remove.
2515         (BASE_OBJECT_SET_INDEX): Remove.
2516
2517 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2518
2519         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2520
2521 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2522
2523         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2524         loop upper bounds for 1-element arrays at end of structures.
2525         * tree-flow.h (array_at_struct_end_p): Declared.
2526         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2527
2528 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2529
2530         * g++.dg/graphite/pr41305.C: New.
2531
2532 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2533
2534         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2535         construction of parameter constraints from loop iteration analysis.
2536         * gcc.dg/graphite/run-id-2.c: New test.
2537
2538 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2541         and new_cstr.
2542
2543 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2544
2545         * graphite-dependences.c (dependence_polyhedron_1): Remove
2546         unused gdim dimensions from the DDR polyhedron.
2547
2548 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2549
2550         * graphite-dependences.c (pddr_transformed_scattering): New.
2551         (dot_original_deps_stmt_1): New.
2552         (dot_transformed_deps_stmt_1): New.
2553         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2554         dot_transformed_deps_stmt_1.
2555         (dot_original_deps): New.
2556         (dot_transformed_deps): New.
2557         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2558
2559 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * graphite-dependences.c (reduction_dr_1): Remove wrong
2562         assert: reduction BBs can have multiple reduction writes
2563         to memory.  interchange-3.f90 is an example.
2564
2565 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2566
2567         * gfortran.dg/graphite/interchange-3.f90: New.
2568
2569 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2572
2573 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * graphite-dependences.c (dependence_polyhedron_1): Add the
2576         context to the dependence polyhedron.
2577
2578 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2581         PBB_PDR_DUPLICATES_REMOVED.
2582         (new_poly_bb): Same.
2583
2584 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2585
2586         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2587         SCOP_CONTEXT.
2588         (build_loop_iteration_domains): Extract bounds on parameters
2589         based on the data size.
2590         (build_scop_context): Do not initialize SCOP_CONTEXT;
2591         add new constraints.
2592
2593 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2594
2595         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2596         * graphite-ppl.h (graphite-ppl.h): Declared.
2597
2598 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * graphite-ppl.c (ppl_print_linear_expr): New.
2601         (debug_ppl_linear_expr): New.
2602         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2603         (debug_ppl_linear_expr): Declared.
2604
2605 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * graphite-interchange.c: Fix comments.
2608         * gcc.dg/graphite/block-1.c: Fix comments.
2609
2610 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2613         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2614
2615 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2616
2617         Reapply the patch from Alexander Monakov that disappeared during
2618         the last merges from trunk.
2619
2620         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2621
2622         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2623         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2624
2625 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-interchange.c (memory_stride_in_loop): The depth
2628         argument corresponds to a dynamic time dimension, so use
2629         psct_dynamic_dim to refer to the transformed scattering dimension.
2630
2631 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2634
2635 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2638         root of the LST.
2639         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2640         the root of the LST.
2641         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2642         fake loop.
2643         (print_lst): Print the root of LST in a different format.
2644         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2645
2646 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2647
2648         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2649
2650 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * doc/passes.texi: Document the Graphite infrastructure.
2653
2654 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2655
2656         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2657         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2658         and check the SSA representation.
2659
2660         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2661
2662 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2663
2664         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2665
2666 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * gcc.dg/graphite/interchange-11.c: New.
2669
2670 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2673
2674 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2675
2676         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2677         Add -fno-loop-strip-mine and -fno-loop-interchange.
2678         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2679         -fno-loop-strip-mine.
2680         * gfortran.dg/graphite/graphite.exp: Same.
2681
2682 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2683
2684         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2685         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2686         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2687         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2688         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2689         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2690         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2691         DEFAULT_FLAGS_GRAPHITE_SCOP.
2692         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2693         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2694
2695 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2696
2697         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2698
2699 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2700             Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * graphite-interchange.c (build_linearized_memory_access): Pass an
2703         offset as parameter.
2704         (memory_stride_in_loop): Include transform scattering in the
2705         access functions to be able to querry the strides in the
2706         transformed loops.
2707         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2708         not the psct_iterator_dim.
2709
2710 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2711
2712         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2713         (lst_do_strip_mine_loop): New.
2714         (lst_do_strip_mine): New.
2715         (scop_do_strip_mine): Call lst_do_strip_mine.
2716         * graphite-poly.h (lst_add_loop_under_loop): New.
2717         (lst_find_first_pbb): New.
2718
2719 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2720
2721         * graphite-poly.c (loop_to_lst): Fix LST creation.
2722
2723 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2724
2725         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2726         sizeof(unsigned long) to make it run on 32bit systems.
2727
2728 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2729
2730         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2731         SEGFAULT on 32bit.
2732
2733 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2734
2735         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2736         Comment.
2737         (write_alias_graph_to_ascii_dot): New.
2738         (write_alias_graph_to_ascii_ecc): Ditto.
2739         (partition_drs_to_sets): Add testing of optimality of current method
2740         which assigns alias numbers according to DFS Comopnent number.  used
2741         as heuristic for the upcoming ECC algorithm.
2742         (build_scop_drs): Write to file also with the ecc and dot format.
2743
2744 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2745
2746         * gfortran.dg/graphite/interchange-1.f: XFail.
2747
2748 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * graphite.c (graphite_initialize): Do not handle functions with
2751         more than 100 basic blocks.
2752
2753 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * graphite-blocking.c (pbb_do_strip_mine): Use
2756         PARAM_LOOP_BLOCK_TILE_SIZE.
2757
2758 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite-poly.c (dot_lst_1): New.
2761         (dot_lst): New.
2762         * graphite-poly.h (dot_lst): Declared.
2763
2764 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite-dependences.c (dot_deps_stmt_1): New.
2767         (dot_deps_stmt): New.
2768         * graphite-dependences.h (dot_deps_stmt): Declared.
2769
2770 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2773         not replace cross BB scalar dependences ending on PHI nodes.
2774         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2775
2776 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-poly.c (apply_poly_transforms): Implement the high
2779         level driver for flag_loop_block.
2780         * opts.c (decode_options): Enable flag_loop_block at -O2.
2781         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2782         flag_loop_block.
2783
2784         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2785         -floop-block.
2786         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2787         Add -floop-block.
2788
2789 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-poly.h (lst_find_pbb): New.
2792         (find_lst_loop): New.
2793
2794 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2797         * graphite-poly.h (struct scop): Remove dep_graph field.
2798         (SCOP_DEP_GRAPH): Removed.
2799
2800 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         * graphite-poly.h (copy_lst): Do full copy of LST.
2803
2804 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2805
2806         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2807         when the loop stride is zero.
2808
2809         * gcc.dg/graphite/id-16.c: New.
2810
2811 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * graphite-dependences.c (reduction_dr_1): New.
2814         (reduction_dr_p): New.
2815         (graphite_legal_transform_dr): Call reduction_dr_p.
2816         (reduction_ddr): Renamed reduction_ddr_p.
2817         * graphite-poly.h (same_pdr_p): New.
2818         (number_of_write_pdrs): New.
2819         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2820         (split_reduction_stmt): Do not split reduction statements
2821         when there are no writes to memory.
2822         (translate_scalar_reduction_to_array_for_stmt): Insert the
2823         memory reduction statement just after the scalar reduction statement.
2824
2825         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2826         Un-XFAIL-ed.
2827         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2828         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2829
2830 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2831
2832         * graphite-interchange.c (lst_apply_interchange): New.
2833         (lst_interchange_profitable_p): New.
2834         (lst_try_interchange_loops): New.
2835         (lst_try_interchange): New.
2836         (lst_do_interchange): New.
2837         (pbb_do_interchange): Removed.
2838         (scop_do_interchange): Call lst_do_interchange.
2839
2840 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2841
2842         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2843         SCOP_TRANSFORMED_SCHEDULE.
2844         (loop_to_lst): New.
2845         (scop_to_lst): New.
2846         (print_lst): New.
2847         (debug_lst): New.
2848         * graphite-poly.h (lst_p): New.
2849         (struct lst): New.
2850         (LST_LOOP_P): New.
2851         (LST_LOOP_FATHER): New.
2852         (LST_PBB): New.
2853         (LST_SEQ): New.
2854         (scop_to_lst): Declared.
2855         (print_lst): Declared.
2856         (debug_lst): Declared.
2857         (new_lst_loop): New.
2858         (new_lst_stmt): New.
2859         (copy_lst): New.
2860         (lst_depth): New.
2861         (lst_dewey_number): New.
2862         (struct scop): Add original_schedule and transformed_schedule fields.
2863         (SCOP_ORIGINAL_SCHEDULE): New.
2864         (SCOP_TRANSFORMED_SCHEDULE): New.
2865         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2866
2867 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2868
2869         * graphite-dependences.c (reduction_ddr): New.
2870         (graphite_legal_transform_bb): Call reduction_ddr.
2871         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2872         Initialize PBB_IS_REDUCTION.
2873         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2874         (PBB_IS_REDUCTION): New.
2875         (new_poly_bb): Update declaration.
2876         * graphite-scop-detection.h (build_scop_bbs): Removed.
2877         (nb_reductions_in_loop): Removed.
2878         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2879         parameter for reductions.
2880         (try_generate_gimple_bb): Update call to new_poly_bb.
2881         (build_scop_bbs_1): Same.
2882         (build_scop_bbs): Same.
2883         (gsi_for_phi_node): New.
2884         (scalar_close_phi_node_p): Remove gcc_assert.
2885         (split_reduction_stmt): New.
2886         (is_reduction_operation_p): New.
2887         (phi_contains_arg): New.
2888         (follow_ssa_with_commutative_ops): New.
2889         (detect_commutative_reduction_arg): New.
2890         (detect_commutative_reduction_assign): New.
2891         (follow_inital_value_to_phi): New.
2892         (edge_initial_value_for_loop_phi): New.
2893         (initial_value_for_loop_phi): New.
2894         (detect_commutative_reduction): New.
2895         (translate_scalar_reduction_to_array_for_stmt): New.
2896         (insert_copyout): New.
2897         (insert_copyin): New.
2898         (translate_scalar_reduction_to_array): New.
2899         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2900         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2901         (rewrite_commutative_reductions_out_of_ssa): New.
2902         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2903         * sese.h (split_region_for_bb): New.
2904
2905         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2906         * gcc.dg/graphite/interchange-1.c: Fix format.
2907         * gcc.dg/graphite/interchange-10.c: New.
2908
2909 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2910
2911         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2912         buggy assert.
2913
2914 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2917         (rewrite_cross_bb_scalar_dependence): New.
2918         (rewrite_cross_bb_scalar_deps): New.
2919         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2920         Call rewrite_cross_bb_scalar_deps.
2921
2922 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2925         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2926         gsi_for_stmt.
2927
2928 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2931         * graphite-interchange.c (pbb_do_interchange): Same.
2932         * graphite-poly.c (print_scattering_function): Same.
2933         (debug_pdrs): Same.
2934         * graphite-poly.h (pbb_loop): New.
2935         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2936
2937 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2940
2941 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2942
2943         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2944         so don't pass a pointer to it.
2945         (build_alias_set_for_drs): Same.
2946         (build_base_obj_set_for_drs): Same.
2947         (build_scop_drs): Same.
2948
2949 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2950
2951         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2952         the alias graph of data references.
2953
2954 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2955
2956         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2957         (build_scop_drs): When debugging, write the alias graph to file,
2958         otherwise, should be disabled.
2959
2960 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2961
2962         * Merge from mainline (151310:151361).
2963
2964 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2965
2966         * Merge from mainline (151171:151310).
2967
2968 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2969
2970         * Merge from mainline (151171:151806).
2971
2972 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * Revert the last commit.
2975
2976 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2977
2978         * Merge from mainline (151171:151819).
2979
2980 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2983         (is_simple_operand): Remove call to stmt_simple_memref_p.
2984         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2985
2986 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2987
2988         * gcc.dg/graphite/interchange-mvt.c: New File.
2989         * gcc.dg/graphite/scop-dsyrk.c: New File.
2990         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2991         * gcc.dg/graphite/scop-mvt.c: New File.
2992         * gcc.dg/graphite/scop-sor.c: New File.
2993
2994 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2995
2996         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2997         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2998         (graphite_carried_dependence_level_k): Ditto.
2999         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3000         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3001         (new_poly_dr): Adjust declaration.
3002         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3003         (free_gimple_bb): Added free_data_refs_aux.
3004         (build_poly_dr): Add dr_base_object_set.
3005         (partition_drs_to_sets): New.
3006         (dr_same_base_object_p): New.
3007         (build_alias_set_for_drs): New.
3008         (build_base_object_set_for_drs): New.
3009         (build_scop_drs): Add build_base_obj_set_for_drs.
3010         * graphite-sese-to-poly.h: Added #define for alias set number index and
3011         base object set index.
3012         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3013         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3014
3015 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3016
3017         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3018         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3019
3020 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * graphite-sese-to-poly.c (struct irp_data): Removed.
3023         (idx_record_params): Removed.
3024         (find_params_in_bb): Scan for parameters the access functions; don't
3025         parse the tree representation.
3026
3027 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3030         passes at -O1 and below.
3031
3032 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3033
3034         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3035         tree-scalar-evolution.h, and then tree-data-ref.h.
3036         * graphite-clast-to-gimple.c: Same.
3037         * graphite-dependences.c: Same.
3038         * graphite-interchange.c: Same.
3039         * graphite-poly.c: Same.
3040         * graphite-scop-detection.c: Same.
3041         * graphite-sese-to-poly.c: Same.
3042         * graphite.c: Same.
3043         * lambda-code.c: Same.
3044         * matrix-reorg.c: Same.
3045         * tree-data-ref.c: Same.
3046         * tree-if-conv.c: Same.
3047         * tree-loop-distribu: Same.: Same.
3048         * tree-loop-linear.c: Same.
3049         * tree-parloops.c: Same.
3050         * tree-predcom.c: Same.
3051         * tree-vect-patterns.c: Same.
3052
3053 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3054
3055         Partially revert the previous patch, except the following.
3056         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3057         as parameters the operands of the not expression.
3058
3059 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3060
3061         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3062         Do not call analyze_scalar_evolution on assignments.
3063         (instantiate_scev_phi): Call analyze_scalar_evolution.
3064         (instantiate_scev_name): Call instantiate_scev_assign and
3065         instantiate_scev_phi.
3066         (instantiate_scev_not): Adapted to pass as parameters the operands
3067         of the not expression.
3068
3069 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3070
3071         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3072         to pass as parameters the operands of the binary expression.
3073
3074 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3075
3076         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3077         instantiate_scev_not.  Handle NEGATE_EXPR.
3078         (instantiate_scev_r): Handle NEGATE_EXPR.
3079
3080 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3083         instantiate_scev_r.
3084         (instantiate_scev_r): Move code in instantiate_scev_2
3085         and instantiate_scev_1.
3086
3087 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3088
3089         * tree-scalar-evolution.c (instantiate_scev_3): New.
3090         (instantiate_scev_1): Move code in instantiate_scev_3.
3091
3092 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3093
3094         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3095         (instantiate_scev_1): Move code in instantiate_scev_poly.
3096
3097 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3100         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3101
3102 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3105         (instantiate_scev_1): Move code in instantiate_scev_convert.
3106
3107 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3108
3109         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3110         (instantiate_scev_1): Move code in instantiate_scev_binary.
3111
3112 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * tree-scalar-evolution.c (instantiate_scev_name): New.
3115         (instantiate_scev_1): Move code in instantiate_scev_name.
3116
3117 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * Merge from mainline (150992:151171).
3120
3121 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3124
3125 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         * graphite-dependences.c (graphite_legal_transform_bb): Call
3128         pbb_remove_duplicate_pdrs.
3129         * graphite-poly.c (can_collapse_pdr): Removed.
3130         (pdr_find_duplicate): Removed.
3131         (can_collapse_pdrs): New.
3132         (pbb_remove_duplicate_pdrs): New.
3133         (new_poly_dr): Do not look for duplicates.
3134         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3135         (PBB_PDR_DUPLICATES_REMOVED): New.
3136         (pbb_remove_duplicate_pdrs): Declared.
3137
3138 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3141         the strides by multiplying by PDR_NB_REFS.
3142         * graphite-poly.c (can_collapse_pdr): New.
3143         (pdr_find_duplicate): New.
3144         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3145         Initialize PDR_NB_REFS.
3146         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3147         (PDR_NB_REFS): New.
3148         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3149
3150 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         Revert one of the previous commits:
3153         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3154         the computation of symmetric data dependence relations.
3155         (dependency_between_pbbs_p): Same.
3156
3157 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3158
3159         PR middle-end/40965
3160         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3161         any transform.
3162
3163 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite-dependences.c (pddr_original_scattering): Return NULL
3166         for read-read dependence relations.
3167         * graphite-poly.h (enum poly_dr_type): Fix comment.
3168         (pdr_read_p): New.
3169         (pdr_write_p): New.
3170         (pdr_may_write_p): New.
3171
3172 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3175         (struct poly_dr): Same.
3176         (new_poly_dr): Same.
3177         * graphite-poly.c (new_poly_dr): Same.
3178
3179 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3180             Sebastian Pop  <sebastian.pop@amd.com>
3181
3182         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3183         pbb_strip_mine_time_depth.  Changed the implementation so that
3184         transformation is expressed as a transformation on
3185         time (scatttering) dimensions.  Also, ensures that the 2d+1
3186         scheduling format is preserved.
3187         (pbb_strip_mine_profitable_p): Profitability is based on the
3188         iteration number of a given time (scattering) dimension,
3189         and not on a original loop depth dimension.
3190         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3191         (pbb_do_strip_mine): Call psct_dynamic_dim.
3192         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3193         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3194         (pbb_nb_dynamic_scattering_transform): New.
3195         (psct_dynamic_dim): New.
3196
3197 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3198
3199         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3200         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3201         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3202         * graphite-interchange.c (build_linearized_memory_access): Same.
3203         (memory_stride_in_loop): Same.
3204
3205 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         * graphite-dependences.c (pddr_original_scattering): New.
3208         (graphite_legal_transform_dr): Call pddr_original_scattering.
3209         (dot_deps_1): New.
3210         (dot_deps): New.
3211         * graphite-dependences.h (dot_deps): Declared.
3212         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3213         (print_pdr): Print PDR_ID.
3214         * graphite-poly.h (struct poly_dr): Add field id.
3215         (PDR_ID): New.
3216         (pbb_index): New.
3217         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3218
3219 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3222         not delete the original dependence relation.
3223
3224 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3225
3226         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3227         the computation of symmetric data dependence relations.
3228         (dependency_between_pbbs_p): Same.
3229
3230 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3233         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3234         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3235         (free_poly_ddr): New.
3236         (pddr_is_empty): New.
3237         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3238         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3239         Remove fprintfs.
3240         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3241         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3242         * graphite-dependences.h (enum poly_dependence_kind): New.
3243         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3244         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3245         (PDRP_SINK): Renamed PDDR_SINK.
3246         (PDRP_DDP): Renamed PDDR_DDP.
3247         (PDDR_KIND): New.
3248         (free_poly_ddr): Declared.
3249         * graphite-poly.c (new_scop): Use the new hash function names.
3250         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3251         into original_pddrs.
3252         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3253
3254 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * Merge from mainline (150764:150992).
3257
3258 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3261         bounds with LT_EXPR to make niter analysis more precise on code
3262         generated by Graphite.
3263
3264 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3265
3266         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3267         (graphite_legal_transform_bb): Same.
3268         (poly_drs_may_alias_p): Same.
3269
3270 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         PR middle-end/40981
3273         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3274         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3275
3276 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * graphite-poly.c (print_pbb): Print PBB index.
3279
3280 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * Merge from mainline (r150672:150764).
3283
3284 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3285
3286         * graphite-interchange.c (ppl_max_for_le): Moved...
3287         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3288         * graphite-ppl.c (ppl_max_for_le): ... here.
3289         * graphite-ppl.h (ppl_max_for_le): Declared.
3290
3291 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3292
3293         * Merge from mainline (r150372:150672).
3294
3295 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3296
3297         PR middle-end/40980
3298         * sese.c (convert_for_phi_arg): New.
3299         (add_guard_exit_phis): Use convert_for_phi_arg.
3300
3301         * gfortran.dg/graphite/id-17.f: New.
3302
3303 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3304
3305         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3306         unknown subscript upper bounds.
3307
3308         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3309
3310 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3311             Pranav Garg  <pranav.garg2107@gmail.com>
3312
3313         * graphite-interchange.c (gather_access_strides): Removed.
3314         (ppl_max_for_le): New.
3315         (build_linearized_memory_access): New.
3316         (memory_stride_in_loop): New.
3317         (pbb_interchange_profitable_p): Reimplemented.
3318         * graphite-ppl.h (ppl_new_id_map): New.
3319         (ppl_interchange): New.
3320
3321         * gcc.dg/graphite/interchange-6.c: XFAILed.
3322
3323 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         * graphite-interchange.c (compute_subscript): Removed.
3326         (compute_array_size_cstr): Removed.
3327         (compute_array_size_poly): Removed.
3328         (compute_array_size): Removed.
3329         (gather_access_strides_poly): Removed.
3330         (gather_access_strides): Empty.
3331
3332 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3333
3334         * graphite-dependences.c (dependence_polyhedron_1): Replace
3335         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3336         (graphite_legal_transform_dr): Same.
3337         (graphite_carried_dependence_level_k): Same.
3338         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3339         Initialize PDR_NB_SUBSCRIPTS.
3340         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3341         PDR_NB_SUBSCRIPTS.
3342         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3343         (PDR_NB_SUBSCRIPTS): New.
3344         (pdr_nb_subscripts): Removed.
3345         (pdr_dim): Simplified.
3346         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3347         with PDR_NB_SUBSCRIPTS.
3348
3349 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * graphite-interchange.c (compute_array_size): Remove use of
3352         PDR_DATA_CONTAINER.
3353         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3354         Do not initialize PDR_DATA_CONTAINER.
3355         (print_pdr): Do not print PDR_DATA_CONTAINER.
3356         * graphite-poly.h (struct poly_dr): Remove data_container field.
3357         (PDR_DATA_CONTAINER): Removed.
3358         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3359         PDR_DATA_CONTAINER.
3360         (build_poly_dr): Same.
3361
3362 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * gcc.dg/graphite/interchange-9.c: New.
3365
3366 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3367             Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3370         copy of the dependence polyhedron.  Free the temporary objects.
3371         (graphite_carried_dependence_level_k): Free unused objects before
3372         returning.
3373
3374         * gcc.dg/graphite/interchange-1.c: XFAILed.
3375         * gcc.dg/graphite/interchange-2.c: XFAILed.
3376         * gcc.dg/graphite/interchange-3.c: XFAILed.
3377         * gcc.dg/graphite/interchange-4.c: XFAILed.
3378         * gcc.dg/graphite/interchange-7.c: XFAILed.
3379
3380 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3383         Early return without analyzing the data dependences if no
3384         transform has been done.  Call restore_scattering if the transform
3385         is not legal.
3386         (graphite-interchange.c): Same.
3387         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3388         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3389         (apply_poly_transforms): Do not gcc_assert that
3390         the transform is legal.
3391         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3392         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3393         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3394         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3395         * graphite-poly.h (struct poly_scattering): New.
3396         (struct poly_bb): Add original, transformed, and saved fields.
3397         Remove transformed_scattering, original_scattering, nb_local_variables,
3398         and nb_scattering_transform fields.
3399         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3400         (poly_scattering_new): New.
3401         (poly_scattering_free): New.
3402         (poly_scattering_copy): New.
3403         (store_scattering_pbb): New.
3404         (store_scattering): New.
3405         (restore_scattering_pbb): New.
3406         (restore_scattering): New.
3407         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3408         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3409
3410 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3413         (print_scop): Same.
3414
3415 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * Makefile.in (graphite.o): Depends on PREDICT_H.
3418         * graphite.c: Include predict.h.
3419         (graphite_finalize): Call tree_estimate_probability.
3420         * predict.c (predict_loops): Do not call scev_initialize and
3421         scev_finalize.
3422         (tree_estimate_probability_bb): New.
3423         (tree_estimate_probability): Do not initialize loops: move that
3424         code to the driver.  Call tree_estimate_probability_bb.
3425         (tree_estimate_probability_driver): New.
3426         (pass_profile): Use tree_estimate_probability_driver.
3427         * predict.h (tree_estimate_probability): Declared.
3428
3429 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3432         * graphite-dependences.c (graphite_legal_transform): Add time to
3433         TV_GRAPHITE_DATA_DEPS.
3434         (dependency_between_pbbs_p): Same.
3435         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3436
3437 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3438
3439         * Merge from mainline (r149952:150372).
3440
3441 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3444         * graphite-blocking.c: Same.
3445         * graphite-clast-to-gimple.c: Same.
3446         * graphite-dependences.c: Same.
3447         * graphite-poly.c: Same.
3448         * graphite-poly.h: Same.
3449         * graphite-ppl.c: Same.
3450         * graphite-scop-detection.c: Same.
3451         * graphite-sese-to-poly.c: Same.
3452         * graphite.c: Same.
3453
3454 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3455
3456         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3457         (remove_simple_copy_phi): New.
3458         (remove_invariant_phi): New.
3459         (simple_copy_phi_p): New.
3460         (reduction_phi_p): New.
3461         (gsi_for_ssa_name_def): New.
3462         (insert_out_of_ssa_copy): New.
3463         (insert_out_of_ssa_copy_on_edge): New.
3464         (create_zero_dim_array): New.
3465         (scalar_close_phi_node_p): New.
3466         (rewrite_close_phi_out_of_ssa): New.
3467         (rewrite_phi_out_of_ssa): New.
3468         (rewrite_reductions_out_of_ssa): New.
3469         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3470
3471         * gcc.dg/graphite/id-11.c: New.
3472         * gcc.dg/graphite/id-15.c: New.
3473         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3474         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3475         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3476         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3477         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3478         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3479         * gfortran.dg/graphite/id-13.f: New.
3480         * gfortran.dg/graphite/id-5.f: New.
3481
3482 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3483
3484         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3485         check that nb_reductions_in_loop is zero.
3486         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3487         reduction phi nodes.
3488         (nb_reductions_in_loop): Removed.
3489         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3490         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3491         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3492         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3493         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3494
3495 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3496
3497         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3498         statements that have an empty iteration domain.
3499         * gfortran.dg/graphite/id-16.f: New.
3500
3501 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * tree-scalar-evolution.c (instantiate_scev_1): Return
3504         chrec_dont_know when the result is not above instantiate_below.
3505         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3506         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3507         the tree has a known scalar evolution.
3508         * gfortran.dg/graphite/id-14.f: New.
3509         * gfortran.dg/graphite/id-15.f: New.
3510
3511 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3512
3513         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3514         insert_gsi.
3515         (rename_variables): Keep inserting renames after the ones already
3516         inserted.
3517
3518 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * graphite-sese-to-poly.c (compare_bb_depths): New.
3521         (graphite_sort_dominated_info): New.
3522         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3523         (build_scop_scattering): Fix comment.
3524
3525 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3526
3527         * graphite.c (graphite_finalize): Call print_loops instead of
3528         dump_function_to_file.
3529         * gcc.dg/graphite/graphite.exp: Fix formatting.
3530         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3531         loops generated in the graphite output file.
3532         * gcc.dg/graphite/pr35356-2.c: New.
3533         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3534         * gfortran.dg/graphite/id-12.f: New.
3535
3536 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3537
3538         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3539         Remove 2 XFAIL.
3540
3541 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3542             Tobias Grosser  <grosser@fim.uni-passau.de>
3543
3544         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3545         alias set number build alias in ACCESSES polyhedron.
3546         (build_alias_set_for_drs): New.
3547         (build_pbb_drs): Added build_alias_set_for_drs.
3548         * graphite-dependences.c (poly_drs_may_alias_p): New.
3549         (graphite_carried_dependence_level_k): Check alias information
3550         before building polyhedron.
3551
3552 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3553
3554         * Makefile.in (lambda-code.o): Fix formatting.
3555
3556 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3557
3558         * Merge from mainline (r149350-149952)
3559
3560 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3561
3562         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3563         before interchange to prepare for loop blocking.
3564
3565 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3566
3567         * graphite-poly.c (apply_poly_transforms): Add checks after every
3568         transformation.
3569         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3570         done in apply_poly_transforms.
3571
3572 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3573
3574         * graphite-dependences.c (build_lexicographically_gt_constraint):
3575         Replace RES parameter with *RES.
3576         (dependence_polyhedron_1): Pass an address of the parameter RES
3577         instead of value of RES.
3578
3579 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3580
3581         * graphite.c (graphite_finalize): Fix comment.
3582         (graphite_transform_loops): Reset scev info after code generation
3583         of each scop.
3584
3585 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3586
3587         * graphite.c (graphite_finalize): Call scev_reset.
3588
3589 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3590
3591         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3592         GBB_CLOOG_IV_TYPES hash table twice.
3593         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3594         (add_condition_to_domain): Clear GMP values.
3595
3596 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3597
3598         * graphite-dependences.c: Fix formatting.
3599         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3600         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3601         * graphite-sese-to-poly.c: Fix formatting.
3602         * graphite.c (graphite_transform_loops): Create the hash table
3603         after the early return.
3604
3605 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3606
3607         * gcc.dg/graphite/id-14.c: New.
3608         * gcc.dg/graphite/pr40157.c: New.
3609         * gfortran.dg/graphite/id-11.f: New.
3610
3611 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3614         (build_poly_scop): Return false when there are no pbbs within
3615         loops to avoid to pass to cloog scops with no loops.
3616
3617 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3618
3619         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3620         useless test "i % 2".
3621         (build_pbb_scattering_polyhedrons): Fix formatting.
3622         (build_poly_dr): Same.
3623         * graphite.c (graphite_transform_loops): Restructure.
3624
3625 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3626
3627         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3628         reduction_list parameter.
3629         (rewrite_all_phi_nodes_with_iv): Same.
3630         (canonicalize_loop_ivs): Same.
3631         * tree-parloops.c (struct brli): Removed.
3632         (build_reduction_list_info): Removed.
3633         (build_new_reduction): New.
3634         (analyze_reduction_list): Removed.
3635         (gather_scalar_reductions): Find reductions instead of phi
3636         nodes that can't be canonicalized.
3637         (try_create_reduction_list): Remove reduction_list parameter.
3638         (gen_parallel_loop): Same.
3639         (parallelize_loops): Remove analyze_reductions variable,
3640         initialization and free.
3641         Change reduction_list htab initialization to reduction_info
3642         elements instead of ssa names.
3643         Call try_create_reduction_list and gen_parallel_loop without
3644         analyzed_reduction argument.
3645         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3646         canonicalize_loop_ivs with one less argument.
3647         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3648
3649 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3650
3651         * graphite-dependences.c (new_poly_dr_pair): New.
3652         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3653         (new_poly_dr_pair): New.
3654         (eq_poly_dr_pair_p): New.
3655         (hash_poly_dr_pair_p): New.
3656         * graphite-dependences.h (struct poly_dr_pair): New.
3657         (eq_poly_dr_pair_p): Declared.
3658         (hash_poly_dr_pair_p): Declared.
3659         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3660         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3661         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3662         * Makefile.in (graphite-poly.o): Add dependence on
3663         graphite-dependences.h.
3664
3665 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3666
3667         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3668         polynomials of degree > 1 pass to Graphite.
3669         * tree-chrec.c (scev_is_linear_expression): Call
3670         evolution_function_is_affine_multivariate_p.
3671         * gfortran.dg/graphite/id-10.f90: New.
3672
3673 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3674
3675         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3676         Instantiate scevs varying in outer loops.
3677         * gfortran.dg/graphite/id-9.f: Correct testcase.
3678
3679 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3680
3681         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3682         redundant constraint.
3683
3684 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         * gcc.dg/graphite/graphite.exp: Fix comments.
3687         * gfortran.dg/graphite/graphite.exp: Trigger actions
3688         based on the file names as in the C testsuite.
3689         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3690         * gfortran.dg/graphite/block-2.f: Same.
3691         * gfortran.dg/graphite/block-3.f90: Same.
3692         * gfortran.dg/graphite/block-4.f90: Same.
3693         * gfortran.dg/graphite/id-1.f90: Same.
3694         * gfortran.dg/graphite/id-2.f90: Same.
3695         * gfortran.dg/graphite/id-3.f90: Same.
3696         * gfortran.dg/graphite/id-4.f90: Same.
3697         * gfortran.dg/graphite/id-6.f: Same.
3698         * gfortran.dg/graphite/id-9.f: Same.
3699         * gfortran.dg/graphite/interchange-1.f: Same.
3700         * gfortran.dg/graphite/interchange-2.f: Same.
3701         * gfortran.dg/graphite/scop-1.f: Same.
3702
3703 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3704
3705         * sese.c (expand_scalar_variables_call): New.
3706         (expand_scalar_variables_ssa_name): Handle calls in expander.
3707
3708 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3709
3710         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3711         Expect to see the pattern twice.
3712         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3713         * gcc.dg/graphite/interchange-5.c: Same.
3714         * gcc.dg/graphite/interchange-6.c: Same.
3715
3716 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3717
3718         * gcc.dg/graphite/id-10.c: New.
3719         * gcc.dg/graphite/id-12.c: New.
3720         * gfortran.dg/graphite/id-7.f: New.
3721         * gfortran.dg/graphite/id-8.f: New.
3722
3723 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3724
3725         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3726         zero.
3727
3728 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3729
3730         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3731
3732 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3733
3734         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3735
3736 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3737
3738         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3739         building PDR subscripts.
3740
3741 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3744         computation of array sizes.
3745
3746 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3747
3748         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3749
3750 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3751
3752         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3753         build_pairwise_constraint, dr_equality_constraints,
3754         build_pairwise_scheduling_equality,
3755         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3756         build_lexicographically_gt_constraint, dependence_polyhedron,
3757         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3758         Move from NNC_Polyhedron to C_Polyhedron.
3759         * graphite-interchange.c (compute_array_size_poly,
3760         gather_access_strides): Dito.
3761         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3762         free_scop, pbb_number_of_iterations): Dito.
3763         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3764         pbb_dim_iter_domain, struct scop): Dito.
3765         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3766         new_Cloog_Domain_from_ppl_Polyhedron,
3767         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3768         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3769         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3770         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3771         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3772         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3773         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3774         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3775         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3776         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3777         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3778         build_scop_iteration_domain, build_poly_dr): Dito
3779
3780 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3781
3782         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3783         run-id-*.c files.
3784         * gcc.dg/graphite/run-id-1.c: New.
3785
3786 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3789         positivity constraint on the symbolic number of iterations.
3790
3791 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3794
3795 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3796             Tobias Grosser  <grosser@fim.uni-passau.de>
3797
3798         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3799         (build_cloog_prog): Directly use SCOP_CONTEXT.
3800         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3801         (free_scop): Free SCOP_CONTEXT.
3802         (print_scop_context): New.
3803         (print_scop): Call print_scop_context.
3804         (debug_scop_context): New.
3805         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3806         (struct scop): Added field context.
3807         (SCOP_CONTEXT): New.
3808         * graphite-sese-to-poly.c (add_param_constraints): New.
3809         (build_scop_context): New.
3810         (build_poly_scop): Call build_scop_context.
3811
3812 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3815         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3816         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3817         * graphite-ppl.h: Include double-int.h and tree.h.
3818         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3819         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3820         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3821         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3822
3823 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3826         POINTER_PLUS_EXPR for pointer types.
3827         (clast_to_gcc_expression): Same.
3828
3829 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3830
3831         * graphite-poly.c (print_scattering_function): Early return when
3832         PBB_TRANSFORMED_SCATTERING is not initialized.
3833         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3834
3835 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3836
3837         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3838         to fix bootstrap.
3839
3840 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3841
3842         * tree-parloops.c (analyze_reduction_list): Change return
3843         value to void.
3844         (try_create_reduction_list): Move the call to
3845         analyze_reduction_list to the beginining.
3846         Call reduction_phi with analyzed_reductions as argument
3847         instead of reduction_list.
3848
3849 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3850
3851         *  Merge from mainline (r148296:149346)
3852
3853 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * graphite-scop-detection.c (graphite_can_represent_init): New.
3856         (graphite_can_represent_scev): Call graphite_can_represent_init:
3857         check that the initial value does not contain multiplications of
3858         parameters.
3859         (stmt_has_simple_data_refs_p): New.
3860         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3861         (is_simple_operand): Fix formatting.
3862         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3863
3864 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3865
3866         * gcc.dg/graphite/id-13.c: New.
3867         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3868         analyze_scalar_evolution, use scalar_evolution_in_region.
3869         (scan_tree_for_params_right_scev): Add extra assert.
3870         (parameter_index_in_region_1): Split from parameter_index_in_region.
3871         (idx_record_params): Use scalar_evolution_in_region.
3872         (find_params_in_bb): Same.
3873         (find_scop_parameters): Same.
3874         (build_loop_iteration_domains): Same.
3875         (create_linear_expr_from_tree): Same.
3876         * sese.c (scalar_evolution_in_region): New.
3877         * sese.h (scalar_evolution_in_region): Declared.
3878         (defined_in_sese_p): New.
3879         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3880         static anymore.
3881         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3882         Declared.
3883
3884 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3885
3886         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3887         TREE_DATA_REF_H also implies SCEV_H.
3888
3889 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * graphite-poly.c (print_scop_params): New.
3892         (print_scop): Call print_scop_params.
3893         (debug_scop_params): New.
3894         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3895
3896 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3897
3898         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3899         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3900         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3901         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3902         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3903         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3904
3905 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3906
3907         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3908         for dependency checking part.
3909         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3910         tests for dependency checking.
3911         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3912         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3913         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3914         flag -fdump-tree-graphite-all for autopar testsuites.
3915
3916 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3919         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3920         canonicalize_loop_ivs): Moved...
3921         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3922
3923 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3924
3925         * tree-parloops.c (try_create_reduction_list): Pass an extra
3926         argument analyzed_reductions.  Call analyze_reduction_list.
3927         (gen_parallel_loop): Do not call analyze_reduction_list.
3928         (parallelize_loops): Init and finalize analyzed_reductions.
3929
3930 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3931
3932         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3933         Added flag -fno-loop-strip-mine for autopar testcase.
3934
3935 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3936
3937         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3938         transformed scattering dimension instead of unmatch orignal when
3939         calling dependence_polyhedron.
3940
3941 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3942
3943         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3944
3945 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3948         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3949
3950 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3951
3952         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3953         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3954         * graphite-poly.c (pbb_number_of_iterations): New.
3955         * graphite-poly.h (pbb_number_of_iterations): Declared.
3956         (pbb_iterator_dim, pbb_parameter_dim): New.
3957
3958 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3959
3960         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3961         last commit on type of lower and upper bound of loops.
3962
3963 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3964
3965         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3966         graphite-dependences.h.
3967         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3968         (mark_bb_with_pbb): New.
3969         (get_stmtfor_depth): New.
3970         (find_pbb_via_hash): New.
3971         (dependency_in_loop_p): New.
3972         (mark_loops_parallel): New.
3973         (free_aux_in_new_loops): New.
3974         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3975         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3976         innermost loop parallel without checking.
3977         (gloog): Add parameter BB_PBB_MAPPING.
3978         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3979         (gloog): Change declaration.
3980         (mark_loop_parallel): Make extern.
3981         (free_aux_in_new_loops): Declare.
3982         (bb_pbb_map_hash): New.
3983         (eq_bb_pbb_map): New.
3984         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3985         auto parallelization when flag_graphite_force_parallel is set.
3986         (graphite_finalize): Added free_aux_in_new_loops.
3987         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3988         the innermost loop that marked parallel.  Use
3989         flag_graphite_force_parallel instead of loop->can_be_parallel.
3990         (loop_parallel_p): Move inner most checking out of function.
3991
3992 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3993
3994         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3995         type of lower and upper bound of loops signed long int.
3996
3997 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3998
3999         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4000         expression outside the loop.
4001
4002 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4003
4004         * gcc.dg/graphite/interchange-8.c: New.
4005
4006 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * gcc.dg/graphite/interchange-0.c: XFailed.
4009         * gcc.dg/graphite/interchange-5.c: XFailed.
4010         * gcc.dg/graphite/interchange-6.c: XFailed.
4011
4012 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4013
4014         * graphite-interchange.c (compute_array_size_poly): The end of the
4015         recursion should return 1.
4016
4017 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4018
4019         * graphite-interchange.c (compute_array_size_cstr): Allow the
4020         subscript multiplier to be -1.
4021         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4022         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4023         data_container.  Initializes PDR_DATA_CONTAINER.
4024         (print_pdr_access_layout): New.
4025         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4026         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4027         data_container.
4028         (PDR_DATA_CONTAINER): New.
4029         (new_poly_dr): Update declaration.
4030         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4031         (build_poly_dr): Call pdr_add_data_dimensions.
4032
4033 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4034
4035         * graphite-poly.h (struct poly_dr): Fix comment.
4036         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4037         (pdr_add_memory_accesses): New.
4038         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4039
4040 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4043         (print_pbb): Add call to print_pdrs.
4044         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4045
4046 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4047             Li Feng <nemokingdom@gmail.com>
4048
4049         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4050         (dependency_between_pbbs_p): New.
4051         (lexicographically_gt_p): Assure !empty_p before polyhedron
4052         intersection assign.
4053         (build_lexicographically_gt_constraint): Correct lexicographically
4054         judging.
4055         * graphite-dependences.h: New.
4056         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4057
4058 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4059
4060         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4061         (gloog): Print to dump_file the generated clast.
4062         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4063         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4064
4065 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4066
4067         * graphite-poly.c (extend_scattering): Increment
4068         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4069
4070 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4071
4072         * graphite-interchange.c (compute_array_size_poly): Added exit of
4073         recursion condition.  Continue iterating even after the first equality.
4074         (compute_array_size): Same.
4075
4076 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4077
4078         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4079         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4080         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4081         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4082         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4083
4084 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4085
4086         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4087         only when the use verifies is_gimple_reg.
4088
4089 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4090
4091         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4092         Allocate scaldims after call to unify_scattering_dimensions.
4093
4094 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4095
4096         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4097
4098 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4099             Albert Cohen  <albert.cohen@inria.fr>
4100
4101         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4102         variables for the strip mining.
4103
4104 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4105             Pranav Garg  <pranav.garg2107@gmail.com>
4106
4107         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4108         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4109         (graphite-blocking.o): New rule.
4110         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4111         * graphite-blocking.c: New.
4112         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4113         flag_loop_strip_mine.
4114         (psct_scattering_dim_for_loop_depth): New.
4115         * graphite-poly.h (scop_do_strip_mine): Declared.
4116         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4117         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4118         flag_loop_strip_mine.
4119
4120 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4121
4122         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4123         a GMP value and a PPL coefficient at each iteration of a loop.
4124
4125 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4126
4127         * graphite-dependences.c (dependence_polyhedron): Do not use
4128         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4129         pbb_nb_scattering_transform.
4130         (graphite_legal_transform_dr): Same.
4131         * graphite-poly.c (extend_scattering): Same.
4132         (unify_scattering_dimensions): Same.
4133         (print_scattering_function): Same.
4134         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4135         PBB_NB_LOCAL_VARIABLES.
4136         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4137         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4138         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4139         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4140         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4141         (pbb_nb_scattering_transform): New.
4142         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4143         (psco_scattering_dim): Add assert on parameters.
4144         (psct_scattering_dim): Same.
4145         (psct_scattering_dim_for_loop_depth): Declared.
4146         (psct_local_var_dim): New.
4147         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4148         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4149         correct layout, call pbb_nb_local_vars.
4150         (psct_add_local_variable, psct_add_scattering_dimension): New.
4151         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4152         Initialize PBB_NB_SCATTERING_TRANSFORM.
4153
4154 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4155
4156         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4157         (set_coef): Renamed ppl_set_coef.
4158         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4159
4160 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4161
4162         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4163         test a boolean against 1.
4164         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4165         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4166         (pbb_do_interchange): Returns true when a transform has been performed.
4167         (scop_do_interchange): Same.
4168         * graphite-poly.c (apply_poly_transforms): Use the return value of
4169         scop_do_interchange.
4170         * graphite-poly.h (scop_do_interchange): Update declaration.
4171
4172 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4173
4174         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4175         after last use.
4176         * sese.c (sese_reset_aux_in_loops): New.
4177         * sese.h (sese_reset_aux_in_loops): New.
4178
4179 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4180
4181         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4182         multiplier and multiply the constant by the multiplier.
4183         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4184         (build_poly_dr): Do not use the multiplier to define the subscript.
4185
4186 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4187
4188         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4189         compiler's data reference.  Initialize PDR_CDR.
4190         (print_pdr): Call dump_data_reference.
4191         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4192         Add compiler_dr field.
4193         (PDR_BB): Renamed PDR_PBB.
4194         (PDR_CDR): New.
4195         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4196         GCC's data reference representation.
4197         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4198         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4199
4200 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4201
4202         * graphite-poly.c (print_scattering_function): Also print the layout.
4203         * graphite-poly.h (pbb_nb_local_vars): New.
4204
4205 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4206
4207         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4208
4209 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211         * graphite-poly.c (print_pdr, debug_pdr): New.
4212         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4213         (PDR_BASE): Removed.
4214
4215 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4216
4217         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4218         ltrans-{1..6,8}.c.
4219
4220 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4221
4222         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4223         subscript identification column.
4224         (pbb_do_interchange): Print to dump_file that some loops "will be
4225         interchanged".  Rely on that chain of characters in the testcases.
4226         * gcc.dg/graphite/interchange-0.c: New.
4227         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4228         interchange-*.c files and compile them with -floop-interchange.
4229
4230 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4231
4232         * graphite-interchange.c (interchange_profitable_p): Renamed
4233         pbb_interchange_profitable_p.
4234
4235 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4236             Harsha Jagasia  <harsha.jagasia@amd.com>
4237             Pranav Garg  <pranav.garg2107@gmail.com>
4238
4239         * graphite-interchange.c (interchange_profitable_p): Make static.
4240         (pbb_interchange_loop_depths, pbb_do_interchange,
4241         scop_do_interchange): New.
4242         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4243         for flag_loop_interchange.
4244         * graphite-poly.h (scop_do_interchange): Declared.
4245         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4246         flag_loop_interchange is used.
4247
4248 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4249
4250         * graphite-dependences.c (dependence_polyhedron): Update use of
4251         pbb_nb_scattering_dims.
4252         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4253         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4254         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4255         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4256
4257 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4258
4259         * graphite.c: Cleanup foo.
4260
4261 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4262
4263         * Merge from mainline (r143684:148293).
4264         * Disabled libpcp until it gets fixed.
4265
4266 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4267             Harsha Jagasia  <harsha.jagasia@amd.com>
4268
4269         * graphite-interchange.c: New.
4270         * Makefile.in (graphite-interchange.o): New.
4271         * graphite-poly.h (interchange_profitable_p): Declared.
4272         * graphite-ppl.h (value_max): New.
4273
4274 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4275
4276         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4277         * graphite-poly.h: Fix some comments.
4278         (pdr_dim): New.
4279         (pdr_scop): New.
4280
4281 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4282
4283         * graphite-poly.h
4284         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4285         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4286         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4287         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4288         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4289         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4290         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4291         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4292         * graphite-clast-to-gimple.c: Same.
4293         * graphite-dependences.c: Same.
4294         * graphite-poly.c: Same.
4295         * graphite-sese-to-poly.c: Same.
4296
4297 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4298
4299         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4300         expressions for an IV rename, as returned by clast_to_gcc_expression.
4301         (copy_renames): Rename new_name to expr.
4302         * sese.c (debug_rename_elt): Same.
4303         (get_rename): Same.
4304         (set_rename): Same.
4305         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4306         the information from the rename map.
4307         (rename_variables_in_stmt): Same.
4308         (add_loop_exit_phis): Rename new_name to expr.
4309         (insert_loop_close_phis): Same.
4310         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4311         * sese.h (struct rename_map_elt): Rename new_name to expr.
4312         (new_rename_map_elt): Same.
4313
4314 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4315
4316         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4317         * sese.c (set_rename): Make it extern.
4318         * sese.h (set_rename): Declared.
4319
4320 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4321
4322         * graphite-poly.c (extend_scattering): Free values.
4323         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4324         Free iterators.
4325         (ppl_print_powerset_matrix): Same.
4326         * graphite-scop-detection.c (free_scops_1): New.
4327         (limit_scops): Call free_scops_1.
4328         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4329         (build_poly_dr): Free PPL coefficients.
4330         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4331
4332 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4333
4334         * graphite-dependences.c: New.
4335         * graphite-data-ref.c: Removed.
4336         * graphite-data-ref.h: Removed.
4337         * Makefile.in (graphite-data-ref.o): Removed.
4338         (graphite-dependences.o): Added.
4339         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4340         * graphite-poly.c: Same.
4341         Move the data dependence testing to graphite-dependences.c.
4342
4343 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4344
4345         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4346         from graphite_cannot_represent_loop. Code refactored.
4347         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4348
4349 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4350
4351         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4352         Cover all the testcases (not only the filtered ones).
4353
4354 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4355
4356         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4357         unnecessary check. Update comments. Move check for REAL_TYPE here.
4358         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4359         done in (stmt_simple_for_scop_p).
4360
4361 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4362
4363         * graphite.c (print_global_statistics): New.
4364         (print_graphite_scop_statistic): New.
4365         (print_graphite_statistics): New.
4366         (graphite_initialize, graphite_transform_loops): Print statistics.
4367         * graphite-scop-detection (build_scops): Print statistics.
4368         (print_graphite_scop_statistics): New.
4369         (print_graphite_statistics): New.
4370
4371 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4372
4373         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4374         (debug_clast_name_index): Removed.
4375         (debug_clast_name_indexes_1): Removed.
4376         (debug_clast_name_indexes): Removed.
4377         (clast_name_index_elt_info): Removed.
4378         (eq_clast_name_indexes): Removed.
4379         (clast_name_to_index): Removed.
4380         (new_clast_name_index): Removed.
4381         (save_clast_name_index): Removed.
4382         (save_var_name): Moved...
4383         (init_sese_params_index): Removed.
4384         (clast_name_to_gcc): Remove use of name_tree.
4385         (initialize_cloog_names): Same.
4386         (gloog): Do not call init_sese_params_index.
4387         * graphite-sese-to-poly.c (save_var_name): ...here.
4388         (parameter_index_in_region): New.
4389         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4390         (parameter_index_in_region): Removed.
4391         (is_parameter): Remove use of name_tree.
4392         * sese.h (struct name_tree): Removed.
4393         (struct sese): Remove use of name_tree.  New field params_names.
4394         (SESE_PARAMS_NAMES): New.
4395         (SESE_PARAMS): Remove duplicate.
4396         (parameter_index_in_region): Removed.
4397         (sese_nb_params): Remove use of name_tree.
4398         (struct clast_name_index): New.
4399         (new_clast_name_index): New.
4400         (clast_name_to_index): New.
4401         (save_clast_name_index): New.
4402         (debug_clast_name_index): New.
4403         (debug_clast_name_indexes_1): New.
4404         (debug_clast_name_indexes): New.
4405         (clast_name_index_elt_info): New.
4406         (eq_clast_name_indexes): New.
4407
4408 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4409
4410         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4411         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4412         (graphite_loop_normal_form): Do not pass region.  Do not
4413         initialize SESE_OLDIVS.
4414         (build_graphite_loop_normal_form): Update call to
4415         graphite_loop_normal_form.
4416         * sese.c (debug_oldivs): Removed.
4417         (new_sese): Do not initialize SESE_OLDIVS.
4418         (free_sese): Do not free SESE_OLDIVS.
4419         (oldiv_for_loop): Removed.
4420         * sese.h (struct sese): Remove old_ivs.
4421         (SESE_OLDIVS): Removed.
4422         (oldiv_for_loop): Removed.
4423
4424 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4425
4426         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4427         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4428         replaced by a call to newivs_to_depth_to_newiv.
4429         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4430         (clast_to_gcc_expression_red): Same.
4431         (gcc_type_for_clast_expr): Same.
4432         (gcc_type_for_clast_eq): Same.
4433         (graphite_translate_clast_equation): Same.
4434         (graphite_create_guard_cond_expr): Same.
4435         (graphite_create_new_guard): Same.
4436         (graphite_create_new_loop): Same.
4437         (build_iv_mapping): Same.
4438         (translate_clast): Same.
4439         (gloog): Same.
4440         (loop_iv_stack_patch_for_consts): Removed.  *
4441         sese.c (iv_stack_entry_is_constant): Removed.
4442         (iv_stack_entry_is_iv): Removed.
4443         (loop_iv_stack_push_iv): Removed.
4444         (loop_iv_stack_insert_constant): Removed.
4445         (loop_iv_stack_pop): Removed.
4446         (loop_iv_stack_get_iv): Removed.
4447         (loop_iv_stack_get_iv_from_name): Removed.
4448         (debug_loop_iv_stack): Removed.
4449         (free_loop_iv_stack): Removed.
4450         (loop_iv_stack_remove_constants): Removed.  *
4451         sese.h (iv_stack_entry_kind): Removed.
4452         (iv_stack_entry_data_union): Removed.
4453         (iv_stack_entry_struct): Removed.
4454         (iv_stack_entry_p): Removed.
4455         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4456         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4457         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4458         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4459         (gbb_loop_at_index): Fix indenting.
4460         (gbb_loop_index): Removed.
4461
4462 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4463
4464         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4465         Call clast_name_to_index.
4466
4467 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4468
4469         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4470         do not pass params.  Get params from SESE_PARAMS.
4471         (clast_to_gcc_expression): Same.
4472         (clast_to_gcc_expression_red): Same.
4473         (gcc_type_for_clast_eq): Same.
4474         (graphite_translate_clast_equation): Same.
4475         (graphite_create_new_loop): Same.
4476         * sese.c (rename_variables_in_stmt): Fix comment.
4477
4478 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4479
4480         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4481         newivs_index.
4482         Call save_clast_name_index.
4483         (translate_clast): Pass newivs_index.
4484         (gloog): Create and free newivs_index.
4485
4486 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4487
4488         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4489         (clast_name_index_p): New type.
4490         (debug_clast_name_index): New.
4491         (debug_clast_name_indexes_1): New.
4492         (debug_clast_name_indexes): New.
4493         (clast_name_index_elt_info): New.
4494         (eq_clast_name_indexes): New.
4495         (clast_name_to_index): New.
4496         (new_clast_name_index): New.
4497         (save_clast_name_index): New.
4498         (init_sese_params_index): New.
4499         (gloog): Call init_sese_params_index.
4500         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4501         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4502         (free_sese): Free SESE_PARAMS_INDEX.
4503         * sese.h (struct sese): Add params_index.
4504         (SESE_PARAMS_INDEX): New.
4505
4506 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4507
4508         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4509         (graphite_create_new_loop): Pass the newivs vector.  Push the
4510         newly created IV to newivs.
4511         (translate_clast): Pass the newivs vector.
4512         (gloog): Create and destroy the newivs vector.
4513
4514 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4515
4516         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4517         (graphite_loop_normal_form): Initialize loop->aux with the unique
4518         IV that has been created.
4519
4520 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4521
4522         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4523         scev with parameters in the base part. They where forbidden
4524         exidently.
4525
4526 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4527
4528         * gcc.dg/graphite/graphite.exp: Set different default
4529         compile options by file names.
4530         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4531         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4532         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4533         * gcc.dg/graphite/scop-matmult.c: Ditto.
4534
4535 2009-05-08  Li Feng <nemokingdom@gmail.com>
4536
4537         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4538         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4539         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4540         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4541
4542 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4543
4544         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4545         by final cleanup.
4546
4547 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4548
4549         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4550         allow integer constant strides.
4551         (graphite_can_represent_expr): Depend on outermost_loop.
4552         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4553         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4554         build_scops_1): Same.
4555         (scopdet_basic_block_info): Same and insert layered SCoP
4556         detection.
4557         (try_generate_gimple_bb): Cleanup.
4558         (build_scops): Enable data references.
4559
4560         * gcc.dg/graphite/id-5.c: New.
4561         * gcc.dg/graphite/id-9.c: New.
4562         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4563         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4564
4565 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4566
4567         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4568         that we have not yet built for this SCoP.
4569
4570 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4571
4572         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4573         for complex numbers.
4574
4575 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4576
4577         * graphite-ppl.c: Fix build if cloog is not available.
4578
4579 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4580
4581         * tree-parloops.c (loop_parallel_p): Remove construction of
4582         NITER and REDUCTION_LIST.
4583         (try_get_loop_niter): New.
4584         (try_create_reduction_list): New.
4585         (parallelize_loops): Bypass the failed checkings in autopar
4586         when can_be_parallel in loop structure is set to true.
4587
4588 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4589
4590         * gcc.dg/graphite/id-6.c: Update testcase.
4591         * gcc.dg/graphite/scop-3.c: Dito.
4592
4593 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4594
4595         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4596         Enable EQ_EXPR and NE_EXPR again.
4597
4598 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4599
4600         * graphite-scop-detection.c (graphite_can_represent_scev):
4601         Add check if scev is affine multivariate.
4602         (harmful_stmt_in_bb): Check if we can represent the conditions.
4603         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4604         harmful_stmt_in_bb.
4605         * gcc.dg/graphite/id-7.c: New.
4606
4607 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4608
4609         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4610         Check all bbs in region, not only the bbs that are represented in
4611         GRAPHITE.
4612         (build_poly_scop): Add newline.
4613         * gcc.dg/graphite/id-8.c: New.
4614
4615 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4616
4617         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4618         when loop initialize.
4619         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4620         * common.opt: Declare flag_graphite_force_parallel.
4621         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4622         loop parallel.
4623         * graphite-poly.c (apply_poly_transforms): Introduce
4624         flag_graphite_force_parallel.
4625         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4626         * toplev.c (process_options): ditto and replace a not correctly
4627         encoded space.
4628
4629 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4630
4631         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4632         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4633         to the redefinition.
4634         (compute_cloog_iv_types_1): ditto.
4635         (build_iv_mapping): ditto.
4636         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4637         initialization.
4638         (free_gimple_bb): Removed GBB_LOOPS related free part.
4639         (build_bb_loops): Removed.
4640         * sese.h (struct gimple_bb): Removed loops.
4641         (GBB_LOOPS): Removed.
4642         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4643         (gbb_loop_index): ditto.
4644
4645 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4646
4647         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4648         allow non constant strides.
4649         * gcc.dg/graphite/scop-20.c: New.
4650
4651 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * graphite-scop-detection.c (dot_all_scops): Fix system call
4654         return value warning.
4655         (dot_scop): Same.
4656
4657 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4658
4659         * gcc.dg/graphite/id-6.c: Fix pattern.
4660         * gcc.dg/graphite/scop-3.c: Same.
4661
4662 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4663
4664         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4665         build_pairwise_constraint, dr_equality_constraints,
4666         build_pairwise_scheduling_equality,
4667         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4668         build_lexicographically_gt_constraint, dependence_polyhedron,
4669         graphite_legal_transform_dr, graphite_legal_transform_bb,
4670         graphite_legal_transform): New.
4671         * graphite-poly.h (graphite_legal_transform): Declared.
4672         * graphite-sese-to-poly.c (build_poly_scop): Call to
4673         graphite_legal_transform is disabled for the moment.
4674
4675 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4676
4677         * graphite-poly.h (pbb_nb_scattering_dims): New.
4678         (pbb_nb_scattering): Use it.
4679
4680 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4681
4682         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4683         Pointset_Powerset version of ppl_insert_dimensions.
4684         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4685
4686 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4687
4688         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4689
4690 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4691
4692         * graphite-poly.h: Fix comment.
4693
4694 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4697
4698 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4699
4700         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4701         statements.
4702
4703 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4704
4705         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4706         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4707         conditions.
4708
4709 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4710
4711         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4712         handle EQ_EXPR and NE_EXPR.
4713
4714 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4715
4716         * graphite-poly.h (poly_dr): Fix comment.
4717
4718 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4719             Tobias Grosser  <grosser@fim.uni-passau.de>
4720
4721         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4722         with a zero dimension polyhedron.
4723         (find_scop_parameters): Move the call to scop_set_nb_params here.
4724         (build_loop_iteration_domains): Store in loop->aux the iteration
4725         domain polyhedron.
4726         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4727         by any loop in scop.
4728         (build_poly_scop): Do not call scop_set_nb_params.
4729
4730 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4731             Tobias Grosser  <grosser@fim.uni-passau.de>
4732
4733         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4734         add_condition_to_domain not GT_EXPR.
4735
4736 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4737
4738         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4739         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4740         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4741         upper_bound_assign to calculate unions.
4742         * gcc.dg/graphite/id-6.c: New.
4743
4744 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4745
4746         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4747         handle abnormal edges.
4748
4749 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4750
4751         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4752         (free_poly_bb): Also free poly_drs.
4753         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4754         (poly_dr): Polyhedron to Pointset_Powerset.
4755         (pdr_accessp_nb_subscripts): Same.
4756         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4757         poly_drs.
4758
4759 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4760
4761         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4762         names into more meaningful names.
4763
4764 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4765
4766         * gfortran.dg/graphite/interchange-1.c: New.
4767         * gfortran.dg/graphite/interchange-2.c: New.
4768
4769 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4770
4771         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4772         the reduction_list.
4773         * tree-parloops.c (rewrite_phi_with_iv): New.
4774         (rewrite_all_phi_nodes_with_iv): New.
4775         (canonicalize_loop_ivs): Call them.
4776
4777 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4778
4779         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4780         graphite_find_data_references_in_stmt.
4781         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4782         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4783
4784 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4785
4786         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4787
4788 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4789
4790         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4791         instead of bb_in_region.
4792         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4793         (build_sese_conditions): Use flag_bb_in_sese.
4794         * sese.c (register_bb_in_sese): Removed.
4795         (new_sese): Remove initialization of SESE_REGION_BBS.
4796         (free_sese): Do not free SESE_REGION_BBS.
4797         * sese.h (struct sese): Remove field region_basic_blocks.
4798         (SESE_REGION_BBS): Removed.
4799         (bb_in_sese_p): Implement in function of bb_in_region.
4800
4801 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4802
4803         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4804         loops.
4805
4806 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4807
4808         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4809         and EQ_EXPR.
4810         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4811         (add_condition_to_domain): New.
4812         (add_condition_to_pbb): New.
4813         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4814         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4815
4816 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4817
4818         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4819         ppl_Pointset_Powerset.
4820         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4821         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4822         (pbb_nb_loops): Same.
4823         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4824         add_conditions_to_domain): Same.
4825         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4826         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4827         ppl_const_Polyhedron_t.
4828         (ppl_print_powerset_matrix): New.
4829         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4830         ppl_print_powerset_matrix): New.
4831         (ppl_print_polyhedron_matrix): Updated.
4832
4833 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4834
4835         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4836
4837 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4838
4839         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4840         (print_iteration_domains, debug_iteration_domain,
4841         debug_iteration_domains): New.
4842         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4843         debug_iteration_domains): Declared.
4844         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4845         indenting.
4846
4847 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4848             Sebastian Pop  <sebastian.pop@amd.com>
4849
4850         * graphite-poly.h (print_iteration_domain): New.
4851         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4852         (build_sese_conditions_1, build_sese_conditions_after,
4853         build_sese_conditions_before): New.
4854         (build_sese_conditions): Rewritten.
4855
4856 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4857             Tobias Grosser  <grosser@fim.uni-passau.de>
4858
4859         Cleanup of code generation liveouts.
4860         * graphite-clast-to-gimple.c (translate_clast): Use a single
4861         rename_map instead of one per translated statement.
4862         Do not use SESE_LIVEOUT_RENAMES.
4863         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4864         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4865         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4866         phi node of a reduction: when a loop contains a reduction used outside
4867         the loop, there should be a scalar close phi node on the exit block.
4868         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4869         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4870         (free_sese): Do not free them.
4871         (sese_build_liveouts_use): Do not use them.
4872         (sese_build_liveouts_bb): Same.
4873         (sese_build_liveouts): Same.
4874         (sese_insert_phis_for_liveouts): Same.
4875         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4876         (defined_in_loop_p): New.
4877         (alive_after_loop): New.
4878         (close_phi_not_yet_inserted_p): New.
4879         (struct alep, alep_p): New.
4880         (add_loop_exit_phis): Remove from the rename_map all the names defined
4881         in the code generated loop.
4882         (insert_loop_close_phis): Traverse the rename_map passed to it.
4883         Don't use SESE_LIVEOUT_RENAMES.
4884         (default_liveout_before_guard): Renamed default_before_guard.
4885         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4886         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4887         (register_sese_liveout_renames): Removed.
4888         (copy_bb_and_scalar_dependences): Do not call it.
4889         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4890         reduction_list.
4891         (SESE_LIVEOUT): Removed.
4892         (SESE_LIVEOUT_RENAMES): Removed.
4893         (SESE_REDUCTION_LIST): Removed.
4894         (sese_build_liveouts): Removed.
4895         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4896         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4897         (insert_guard_phis): Same.
4898         (rename_map_elt): Declare a VEC of them.
4899         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4900         trees not pointers to trees.
4901
4902         Rewrite in canonical close SSA form:
4903         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4904         (limit_scops): Close the scop after the block containing the close phi
4905         nodes.
4906         (canonicalize_loop_closed_ssa): New.
4907         (canonicalize_loop_closed_ssa_form): New.
4908         (build_scops): Call canonicalize_loop_closed_ssa_form.
4909
4910         * graphite-sese-to-poly.c: Fix typos.
4911
4912 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4913
4914         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4915         Extended.
4916         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4917         (print_pbb): Add conditions.
4918
4919 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4920             Sebastian Pop  <sebastian.pop@amd.com>
4921
4922         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4923         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4924         (build_scop_bbs_1): New.
4925         (build_scop_bbs): Rewrite.
4926         * sese.h (bb_in_region): New.
4927
4928 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4929
4930         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4931         poly_drs vector.
4932         (print_scop): Style.
4933         * graphite-poly.h (poly_bb): Add drs vector.
4934         (PBB_DRS): Add accessor.
4935         * graphite-sese-to-poly.c (build_poly_dr): New.
4936         (build_pbb_drs, build_scop_drs): New.
4937         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4938
4939 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4940
4941         * tree-ssa-loop.c: Include forgotten toplev.h
4942
4943 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4944
4945         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4946         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4947         * gcc.dg/graphite/pr37928.c: Same
4948         * gcc.dg/graphite/pr38409.c: Same
4949         * gcc.dg/graphite/pr38498.c: Same
4950         * gcc.dg/graphite/pr38559.c: Same
4951         * gcc.dg/graphite/pr39335.c: Same
4952         * gcc.dg/graphite/pr39335_1.c: Same
4953         * gfortran.dg/graphite/block-2.f: Same
4954         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4955         with -floop-*.
4956
4957 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4958
4959         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4960         build_access_matrix, build_scop_data_accesses): Remove access function
4961         building. (We get a new version soon).
4962         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4963         * sese.h (nb_loops_around_loop_in_sese): Remove.
4964         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4965
4966 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4967             Sebastian Pop  <sebastian.pop@amd.com>
4968
4969         * graphite-scop-detection.c (struct scopdet_info): Rename last
4970         field to exit.
4971         (scopdet_basic_block_info, build_scops_1): Don't use
4972         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4973
4974 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4975             Sebastian Pop  <sebastian.pop@amd.com>
4976
4977         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4978         * sese.c (sese_build_liveouts_use): Renamed from
4979         sese_build_livein_liveouts_use. Remove liveins.
4980         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4981         Call sese_build_liveouts_use.
4982         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4983         Call sese_build_liveouts_bb.
4984         (new_sese, free_sese): Remove liveins.
4985         (sese_add_exit_phis_var): Deleted.
4986         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4987         directly.
4988         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4989
4990         * sese.h (sese): Remove num_ver and livein.
4991         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4992
4993 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4994
4995         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4996
4997 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4998
4999         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5000         (build_scop_scattering): Do not use compare_prefix_loops any more.
5001         (nb_common_loops): New.
5002
5003 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5004
5005         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5006         (register_old_and_new_names): Renamed set_rename.
5007
5008 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5009
5010         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5011         of the decl from the previous commit.
5012
5013 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5014
5015         * graphite-scop-detection.c (dot_scop): New.
5016         * graphite-scop-detection.h (dot_scop): Declared.
5017
5018 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5019
5020         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5021
5022 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5023
5024         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5025         condition at the end of the loop.
5026         * graphite.c (graphite_initialize, graphite_finalize): Print to
5027         dump_file the compiled function.
5028         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5029         of create_empty_loop_on_edge.
5030         (translate_clast): Update the code generation of loops for the new
5031         shape of loops.
5032         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5033
5034 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5035
5036         Reverted the patch from 2009-03-19.
5037
5038 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5039
5040         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5041         poly_drs vector.
5042         (print_scop): Style.
5043         * graphite-poly.h (poly_bb): Add drs vector.
5044         (PBB_DRS): Add accessor.
5045         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5046         (build_access_matrix_with_af, build_access_matrix,
5047         build_scop_data_accesses): Delete.
5048         (build_poly_dr): New.
5049         (build_pbb_drs, build_scop_drs): New.
5050         (build_poly_scop): call build_scop_drs.
5051
5052 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5053
5054         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5055         once per basic block.
5056
5057 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5058
5059         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5060         (graphite_can_represent_expr): Renamed from loop_affine_expr
5061         and enhanced.
5062         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5063         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5064         (scopdet_basic_block_info): Actually define entry_block.
5065         (stmt_simple_memref_p): Moved here from ...
5066
5067         * tree-data-ref.c (stmt_simple_memref_p): here.
5068         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5069
5070 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5071
5072         * gcc.dg/graphite/id-4.c: New.
5073
5074 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5075
5076         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5077         (register_old_and_new_names): Update the content of the map.
5078         When there was already a rename_map_elt in the map at that
5079         location, free it.
5080         (copy_bb_and_scalar_dependences): Do rename_variables after
5081         expand_scalar_variables.
5082         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5083         of the map.  When there was already a rename_map_elt in the
5084         map at that location, free it.
5085         (translate_clast): Pass the rename_map.  Do not initialize and free
5086         a rename_map per stmt_user.
5087         (gloog): Initialize and free one rename_map and pass it to
5088         translate_clast.
5089
5090 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5091
5092         * sese.c (expand_scalar_variables_stmt,
5093         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5094         parameter.
5095         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5096         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5097         the gimple_stmt_iterator of the statement to be expanded.
5098         * graphite-scop-detection.c (is_simple_operand): Do handle
5099         REALPART_EXPR.
5100
5101 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5102
5103         * graphite-scop-detection.c (is_simple_operand): Do not handle
5104         REALPART_EXPR.
5105         * gcc.dg/graphite/id-2.c: New.
5106
5107         * graphite-sese-to-poly.c (build_bb_loops,
5108         add_value_to_dim, scan_tree_for_params_right_scev,
5109         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5110         find_params_in_bb, build_loop_iteration_domains,
5111         add_conditions_to_domain): Remove subtract.
5112
5113 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5114
5115         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5116         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5117         pbb_loop_at_index -> gbb_loop_at_index.
5118         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5119         (debug_loop_vec): Delete.
5120         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5121         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5122         (PBB_LOOPS): Removed.
5123         (PBB_BLACK_BOX): Insert cast.
5124         (pbb_set_black_box): New setter.
5125         (pbb_loop_at_index, pbb_loop_index): Removed.
5126         (scop_set_region, scop_set_nb_params): New.
5127         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5128         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5129         (build_poly_scop): Use scop_set_nb_params.
5130         * sese.h (gimple_bb): Add LOOPS.
5131         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5132
5133 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5134
5135         Revert previous commit.
5136
5137 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5138
5139         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5140         (register_old_and_new_names): Update the content of the map.
5141         When there was already a rename_map_elt in the map at that
5142         location, free it.
5143         (copy_bb_and_scalar_dependences): Do rename_variables after
5144         expand_scalar_variables.
5145         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5146         of the map.  When there was already a rename_map_elt in the
5147         map at that location, free it.
5148         (translate_clast): Pass the rename_map.  Do not initialize and free
5149         a rename_map per stmt_user.
5150         (gloog): Initialize and free one rename_map and pass it to
5151         translate_clast.
5152
5153 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5154
5155         Remove forgotten line in revert.
5156
5157 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5158
5159         Revert previous commit.
5160
5161 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5162
5163         * sese.c (register_old_and_new_names): Update the content
5164         of the map.  When there was already a rename_map_elt in the
5165         map at that location, free it.
5166         (copy_bb_and_scalar_dependences): Do rename_variables after
5167         expand_scalar_variables.
5168         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5169         of the map.  When there was already a rename_map_elt in the
5170         map at that location, free it.
5171         (translate_clast): Pass the rename_map.  Do not initialize and free
5172         a rename_map per stmt_user.
5173         (gloog): Initialize and free one rename_map and pass it to
5174         translate_clast.
5175
5176 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5177
5178         * graphite-clast-to-gimple.c (translate_clast): context_loop
5179         is never NULL.
5180
5181 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5182             Sebastian Pop  <sebastian.pop@amd.com>
5183
5184         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5185         of the use of ppl_Polyhedron_map_space_dimensions.
5186
5187 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5188             Sebastian Pop  <sebastian.pop@amd.com>
5189
5190         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5191         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5192         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5193         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5194         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5195         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5196         pbb_nb_params): New.
5197         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5198         nb_loops_around_pbb): Adapt return types.
5199
5200 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5201
5202         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5203         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5204         graphite-scop-detection.o, graphite-poly.o): Add
5205         more headers.
5206
5207 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5208
5209         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5210         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5211         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5212
5213 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5214
5215         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5216         * gcc.dg/graphite/pr37828.c: Same.
5217         * gcc.dg/graphite/pr37684.c: Same.
5218         * gcc.dg/graphite/block-0.c: Same.
5219         * gcc.dg/graphite/block-1.c: Same.
5220         * gcc.dg/graphite/block-2.c: Same.
5221         * gcc.dg/graphite/block-3.c: Same.
5222         * gcc.dg/graphite/block-4.c: Same.
5223         * gcc.dg/graphite/block-5.c: Same.
5224         * gcc.dg/graphite/block-6.c: Same.
5225         * gfortran.dg/graphite/pr38083.f90: Same.
5226         * gfortran.dg/graphite/block-1.f90: Same.
5227         * gfortran.dg/graphite/block-3.f90: Same.
5228         * gfortran.dg/graphite/pr37852.f90: Same.
5229         * gfortran.dg/graphite/block-4.f90: Same.
5230         * gfortran.dg/graphite/pr37980.f90: Same.
5231         * gfortran.dg/graphite/pr38953.f90: Same.
5232         * gfortran.dg/graphite/pr37857.f90: Same.
5233         * opts.c: Remove -floop-block from -O2.
5234         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5235         -floop-strip-mine are used.
5236
5237 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5238             Sebastian Pop  <sebastian.pop@amd.com>
5239
5240         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5241         dimensions.
5242         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5243         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5244         strip_mine_profitable_p, is_interchange_valid,
5245         graphite_trans_bb_block, graphite_trans_loop_block,
5246         graphite_trans_scop_block): Temporary removed.
5247         (extend_scattering, unify_scattering_dimensions): New.
5248         (print_scattering_function, graphite_read_transforms):
5249         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5250         (graphite_generate_scattering_fns): Removed.
5251         (apply_poly_transforms): Cleanup.
5252         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5253         (schedule_to_scattering): Moved.
5254         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5255         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5256         (pbb_nb_scattering): New.
5257         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5258         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5259         Removed.
5260         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5261         shift_poly.
5262         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5263         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5264         -> PBB_TRANSFORMED_SCATTERING.
5265         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5266         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5267         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5268         (check_poly_representation): Do not return bool.
5269         (graphite_transform_loops): Reformat.
5270         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5271
5272 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5273
5274         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5275         debug_pbb_domain, debug_pbb, debug_scop): New.
5276         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5277         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5278
5279 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5280
5281         PR middle-end/39335
5282         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5283         when the type precision of the induction variable should be
5284         larger than the type precision of nit.
5285         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5286         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5287         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5288
5289         * gcc.dg/graphite/pr39335_1.c: New.
5290         * gcc.dg/graphite/pr39335.c: New.
5291
5292 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5293
5294         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5295         SSA_NAMES not struct reduction_info.
5296
5297 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5298
5299         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5300
5301 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5302             Tobias Grosser  <grosser@fim.uni-passau.de>
5303
5304         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5305         (free_sese): Free SESE_REDUCTION_LIST.
5306         * sese.h (struct sese): Add field reduction_list.
5307         (SESE_REDUCTION_LIST): New.
5308         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5309         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5310
5311 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5312             Tobias Grosser  <grosser@fim.uni-passau.de>
5313
5314         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5315         of loop_p.
5316
5317 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5318             Tobias Grosser  <grosser@fim.uni-passau.de>
5319
5320         * tree-parloops.c (struct brli, build_reduction_list_info,
5321         analyze_reduction_list, gather_scalar_reductions): New.
5322         (loop_parallel_p): Build a reduction list containing only
5323         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5324         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5325         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5326         * tree-flow.h (gather_scalar_reductions): Declared.
5327
5328 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5329
5330         PR middle-end/39308
5331         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5332         number_of_iterations_exit from a gcc_assert.
5333
5334 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5335             Jan Sjodin  <jan.sjodin@amd.com>
5336
5337         * output.h (graphite_out_file, graphite_in_file): Declared.
5338         * toplev.c (graphite_out_file, graphite_in_file): New.
5339         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5340         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5341         Don't call schedule_to_scattering.
5342         * common.opt (fgraphite-write, fgraphite-read): New.
5343         * graphite-poly.c: Include output.h.
5344         (print_scattering_function, print_scattering_functions,
5345         debug_scattering_function, debug_scattering_functions,
5346         graphite_write_transforms, graphite_read_transforms,
5347         graphite_generate_scattering_fns): New.
5348         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5349         Call graphite_generate_scattering_fns, graphite_write_transforms,
5350         graphite_read_transforms.
5351         (new_poly_bb): Initialize PBB_SCATTERING.
5352         (free_poly_bb): Free PBB_SCATTERING.
5353         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5354         * graphite-poly.h (struct poly_bb): Add field scattering.
5355         (PBB_SCATTERING): New.
5356         (print_scattering_function, print_scattering_functions,
5357         debug_scattering_function, debug_scattering_functions): Declared.
5358         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5359         GMP values, not integers!
5360         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5361         ppl_read_polyhedron_matrix): New.
5362         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5363         debug_ppl_polyhedron_matrix,
5364         ppl_read_polyhedron_matrix): Declared.
5365         * Makefile.in (graphite-poly.o): Depends on output.h.
5366
5367 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5368             Tobias Grosser  <grosser@fim.uni-passau.de>
5369
5370         Revert this change:
5371         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5372         scalar evolutions in the scop_entry->loop_father.
5373
5374 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5375             Tobias Grosser  <grosser@fim.uni-passau.de>
5376
5377         * graphite.h (ref_nb_loops): Remove declaration.
5378         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5379         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5380         debug_gbb): Moved to sese.h.
5381         * sese.h: As said.
5382
5383 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5384             Tobias Grosser  <grosser@fim.uni-passau.de>
5385
5386         * graphite-data-ref.[ch]: Disable.
5387
5388 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5389             Tobias Grosser  <grosser@fim.uni-passau.de>
5390
5391         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5392         scalar evolutions in the scop_entry->loop_father.
5393
5394 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5395
5396         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5397         (graphite_cannot_represent_loop_niter): Renamed
5398         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5399         (limit_scops): build_sese_loop_nests does not return a bool.
5400         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5401         * sese.c (nb_reductions_in_loop): ... from here.
5402         (graphite_loop_normal_form): ... from here.
5403         (sese_record_loop): Does not fail, so does not return a bool.
5404         (build_sese_loop_nests): Same.
5405         * sese.h (build_sese_loop_nests): Update declaration.
5406         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5407         (build_graphite_loop_normal_form): New.
5408         (gloog): Call build_graphite_loop_normal_form.
5409         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5410         build_sese_loop_nests.
5411
5412         * gcc.dg/graphite/id-1.c: New.
5413
5414 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5415             Tobias Grosser  <grosser@fim.uni-passau.de>
5416
5417         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5418         The SCoP detection fix is sufficient.
5419
5420 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5421
5422         PR tree-optimization/39260
5423         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5424         the basic block contains a condition with a real type.
5425         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5426
5427         * gcc.dg/graphite/pr39260.c: New.
5428
5429 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5430
5431         * graphite-poly.c: Inlcude params.h.
5432         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5433         the size of a tile.
5434         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5435         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5436
5437 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5438             Tobias Grosser  <grosser@fim.uni-passau.de>
5439
5440         * graphite-scop-detection.c (dot_all_scops_1,
5441         dot_all_scops): Moved here.
5442         * graphite-scop-detection.h (dot_all_scops): Declared here.
5443         * graphite.c (graphite_initialize, graphite_finalize): New.
5444         (graphite_transform_loops): Cleaned up.
5445         * sese.c (debug_oldivs): Moved here.
5446         * graphite-poly.c (graphite_apply_transformations): Renamed
5447         apply_poly_transforms.
5448         (debug_loop_vec): Moved here.
5449         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5450         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5451         find_scop_parameters, build_scop_iteration_domain,
5452         add_conditions_to_constraints, build_scop_canonical_schedules,
5453         build_scop_data_accesses): Now static.
5454         (build_poly_scop, check_poly_representation): New.
5455
5456 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5457
5458         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5459         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5460         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5461         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5462         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5463         scan_tree_for_params, struct irp_data, dx_record_params,
5464         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5465         build_loop_iteration_domains, add_conditions_to_domain,
5466         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5467         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5468         build_sese_conditions, add_conditions_to_constraints,
5469         build_scop_iteration_domain, build_access_matrix_with_af,
5470         build_access_matrix,
5471         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5472
5473         * graphite-sese-to-poly.c: New.
5474         * graphite-sese-to-poly.h: New.
5475
5476         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5477
5478 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5479
5480         * graphite.c: Split graphite code generation to a new file.
5481         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5482         max_precision_type, clast_to_gcc_expression_red,
5483         clast_to_gcc_expression, gcc_type_for_clast_expr,
5484         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5485         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5486         graphite_create_new_guard, clast_get_body_of_loop,
5487         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5488         graphite_create_new_loop, build_iv_mapping, copy_renames,
5489         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5490         compute_cloog_iv_types, free_scattering, save_var_name,
5491         initialize_cloog_names, build_scop_context, build_cloog_prog,
5492         set_cloog_options, debug_clast_stmt, scop_to_clast,
5493         print_generated_program, debug_generated_program,
5494         gloog): Moved to graphite-clast-to-gimple.c.
5495
5496         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5497
5498         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5499         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5500         loop_iv_stack_pop, loop_iv_stack_get_iv,
5501         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5502         free_loop_iv_stack, loop_iv_stack_remove_constants,
5503         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5504         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5505         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5506         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5507         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5508         get_vdef_before_sese, sese_adjust_vphi,
5509         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5510         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5511         is_iv, expand_scalar_variables_ssa_name,
5512         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5513         expand_scalar_variables, rename_variables, remove_condition,
5514         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5515         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5516         default_liveout_before_guard, add_guard_exit_phis,
5517         insert_guard_phis, register_old_and_new_names,
5518         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5519         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5520         if_region_set_false_region, create_if_region_on_edge,
5521         move_sese_in_condition): Moved to sese.c.
5522
5523         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5524         if_region_exit, if_region_get_condition_block,
5525         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5526         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5527         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5528         ivtype_map_elt, new_ivtype_map_elt,
5529         recompute_all_dominators): Moved to sese.h.
5530
5531         * graphite-clast-to-gimple.c: New.
5532         * graphite-clast-to-gimple.h: New.
5533         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5534         * sese.c: Modified as said above.
5535         * sese.h: Same.
5536
5537 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5538
5539         * graphite.c: Split scop detection to a new file.
5540         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5541         move_sd_regions, loop_affine_expr, exclude_component_ref,
5542         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5543         graphite_cannot_represent_loop_niter, struct scopdet_info,
5544         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5545         find_single_entry_edge, find_single_exit_edge,
5546         create_single_entry_edge, sd_region_without_exit,
5547         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5548         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5549         Moved to graphite-scop-detection.c.
5550
5551         * graphite-scop-detection.c: New.
5552         * graphite-scop-detection.h: New.
5553         * Makefile.in: Add new rule for graphite-scop-detection.o.
5554
5555         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5556         tree-scalar-evolution.h.
5557         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5558         build_sese_loop_nests): Moved here from graphite.c.
5559         (param_index): Renamed parameter_index_in_region.
5560
5561 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5562             Sebastian Pop  <sebastian.pop@amd.com>
5563
5564         * gcc.dg/graphite/block-0.c: Expected to fail now.
5565         * gcc.dg/graphite/block-1.c: Same.
5566         * gcc.dg/graphite/block-5.c: Same.
5567         * gcc.dg/graphite/block-6.c: Same.
5568
5569 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5570             Sebastian Pop  <sebastian.pop@amd.com>
5571
5572         * graphite.h: Separate from graphite_bb_p the polyhedral
5573         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5574         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5575         graphite-data-ref.h.
5576         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5577         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5578         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5579         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5580         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5581         scop_nb_params): Moved to graphite-poly.h.
5582         * graphite-data-ref.c: Same.
5583         * graphite-data-ref.h: New.
5584         * graphite.c: Same.
5585         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5586         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5587         is_interchange_valid, graphite_trans_bb_block,
5588         graphite_trans_loop_block, scop_max_loop_depth,
5589         graphite_trans_scop_block, graphite_apply_transformations,
5590         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5591         graphite-poly.c.
5592         * graphite-poly.h: New.
5593         * graphite-poly.c: New.
5594         * Makefile.in (OBJS-common): Add graphite-poly.o.
5595         (graphite-poly.o): New rule.
5596         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5597         (DR_SCOP): Removed.
5598
5599 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5600             Tobias Grosser  <grosser@fim.uni-passau.de>
5601
5602         * graphite.c: Replace gb -> gbb.
5603         * graphite.h: Same.
5604         * graphite-data-ref.c: Same.
5605
5606 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5607             Tobias Grosser  <grosser@fim.uni-passau.de>
5608
5609         * Makefile.in (OBJS-commmon): Add sese.o.
5610         (sese.o): New.
5611         (graphite.o): Add sese.h.
5612         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5613         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5614         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5615         Move to sese.
5616         (block_before_scop): Add missing return.
5617         (new_scop, free_scop): Remove SESE data structures.
5618         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5619         find_scop_parameters, build_loop_iteration_domains,
5620         add_conditions_to_domain, register_scop_liveout_renames,
5621         copy_bb_and_scalar_dependences): Scop -> SESE.
5622
5623         (add_conditions_to_domain): SCoP -> SESE and remove check
5624         (scop_contains_non_iv_scalar_phi_nodes): New.
5625         (build_scop_conditions_1, build_scop_conditions): Remove check for
5626         non iv scalar phi nodes.
5627         (print_scop_statistics): New.
5628         (graphite_transform_loops): Cleanup.
5629
5630         * graphite.h: Move to sese & cleanup.
5631         * sese.c: New.
5632         * sese.h: New.
5633
5634 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5635             Tobias Grosser  <grosser@fim.uni-passau.de>
5636
5637         * graphite.c (build_scop_conditions_1): Conditions are only
5638         at the end of a basic block.
5639
5640 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5641             Tobias Grosser  <grosser@fim.uni-passau>
5642
5643         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5644         field.
5645         (GBB_ALPHA): Removed.
5646
5647 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5648             Tobias Grosser  <grosser@fim.uni-passau.de>
5649
5650         * graphite-data-ref.c (graphite_test_dependence): Don't use
5651         GBB_DYNAMIC_SCHEDULE.
5652         * graphite.c (new_graphite_bb): Same.
5653         (free_graphite_bb): Same.
5654         (build_scop_dynamic_schedules): Removed.
5655         (graphite_transform_loops): Don't call it.
5656         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5657         (GBB_DYNAMIC_SCHEDULE): Removed.
5658
5659 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5660             Tobias Grosser  <grosser@fim.uni-passau.de>
5661
5662         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5663         (print_graphite_bb): Same.
5664         (build_cloog_prog): Same.
5665
5666 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5667             Tobias Grosser  <grosser@fim.uni-passau.de>
5668
5669         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5670
5671 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5672             Tobias Grosser  <grosser@fim.uni-passau.de>
5673
5674         * graphite.c (build_scop_context): Don't use CloogMatrix.
5675         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5676         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5677
5678 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5679             Tobias Grosser  <grosser@fim.uni-passau.de>
5680
5681         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5682         liveout_renames, add_params fields...
5683         (struct sese): ... here.
5684         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5685         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5686
5687 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5688             Tobias Grosser  <grosser@fim.uni-passau.de>
5689
5690         * graphite.c (print_scop): Do not print the CLooG program.
5691         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5692         build_cloog_prog, gloog): Don't use SCOP_PROG.
5693         (find_transform): Renamed scop_to_clast.
5694         (print_generated_program, debug_generated_program): New.
5695         (graphite_transform_loops): Adapt to new interface.
5696         * graphite.h (struct scop): Remove program field.
5697         (SCOP_PROG): Removed.
5698         (print_generated_program, debug_generated_program): Declared.
5699
5700 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5701
5702         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5703         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5704         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5705         free_graphite_bb, build_scop_canonical_schedules,
5706         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5707         schedules are now represented using a ppl_Linear_Expression_t.
5708         * graphite.h (struct graphite_bb): Same.
5709         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5710         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5711
5712 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5713
5714         * graphite.c: Free local memory.
5715         * graphite-ppl.c: Same.
5716
5717 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5718
5719         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5720         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5721         swap_constraint_variables, scale_constraint_variable): Removed.
5722         (graphite_trans_bb_strip_mine): Remove pong.
5723         * graphite-ppl.c: Include missing header files.
5724         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5725         * graphite-ppl.h (ppl_strip_loop): Declared.
5726         * Makefile.in (graphite-ppl.o): Adjust dependences.
5727
5728 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5729
5730         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5731         (build_scop_iteration_domain): Same.
5732
5733 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5734
5735         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5736         ping pong.
5737         (add_value_to_dim, scan_tree_for_params_right_scev,
5738         scan_tree_for_params_int): New.
5739         * graphite-ppl.c (oppose_constraint): New.
5740         (insert_constraint_into_matrix): Implement missing cases.
5741         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5742
5743 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5744
5745         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5746         use ppl_move_dimension.
5747
5748 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5749
5750         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5751         * graphite.c: Same.
5752         * graphite.h: Same.
5753         * graphite-ppl.c: Same.
5754         * graphite-ppl.h: Same.
5755
5756 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5757
5758         Revert last 3 commits.
5759
5760 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5761
5762         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5763         ping pong.
5764         (add_value_to_dim, scan_tree_for_params_right_scev,
5765         scan_tree_for_params_int): New.
5766         * graphite-ppl.c (oppose_constraint): New.
5767         (insert_constraint_into_matrix): Implement missing cases.
5768         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5769
5770 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5771
5772         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5773
5774 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5775             Tobias Grosser  <grosser@fim.uni-passau.de>
5776
5777         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5778         use ppl_move_dimension.
5779         * graphite-ppl.c (ppl_move_dimension): New.
5780         * graphite-ppl.h (ppl_move_dimension): Declared.
5781
5782 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5783
5784         * graphite.c: Do not include cloog/cloog.h.
5785         (print_graphite_bb): Remove ping pong, call PPL print function.
5786
5787 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5788
5789         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5790         (graphite.o): Add dependence on graphite-ppl.h.
5791         (graphite-ppl.o): New.
5792         (graphite-data-ref.c): Ping pong between PPL data structures
5793         and matrices.
5794         * graphite-ppl.c: New.
5795         * graphite-ppl.h: New.
5796         * graphite.c: Include graphite-ppl.h.
5797         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5798         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5799         Ping pong between PPL data structures and matrices.
5800         (new_graphite_bb): Create a PPL constraint system.
5801         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5802         (build_loop_iteration_domains): Use PPL functions.
5803         * graphite.h: Include graphite-ppl.h.  Fix comments.
5804         (graphite_bb): Use a ppl_Constraint_System_t instead of
5805         CloogMatrix for representing the domain.
5806         (scop): Remove static_schedule.
5807         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5808
5809 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5810
5811         * graphite.c: Fix some comments.
5812
5813 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5814
5815         PR middle-end/38953
5816         * graphite.c (if_region_set_false_region): After moving a region
5817         in the false branch of a condition, remove the empty dummy
5818         basic block.
5819         (gloog): Remove wrong fix for PR38953.
5820
5821 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5822
5823         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5824         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5825         register_bb_in_sese, new_sese, free_sese): Moved.
5826         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5827         outermost_loop_in_scop, build_scop_iteration_domain,
5828         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5829         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5830         Use loop_in_sese_p instead of loop_in_scop_p.
5831         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5832         (free_scop): Do not free SCOP_BBS_B.
5833         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5834         ref_nb_loops): Moved here...
5835         * graphite.h (ref_nb_loops): ... from here.
5836         (struct scop): Remove bbs_b bitmap.
5837         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5838         * gcc.dg/graphite/scop-19.c: New
5839
5840 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5841
5842         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5843         detection.
5844
5845 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5846
5847         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5848         eq_loop_to_cloog_loop): Remove.
5849         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5850         * graphite.h (struct scop): Remove loop2cloog_loop.
5851         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5852
5853 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5854
5855         * opts.c (decode_options): Only add graphite options to O2
5856         if we compile with graphite enabled.
5857
5858 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5859
5860         * Merge from mainline (r143163:143684).
5861
5862 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5863
5864         * graphite.c (debug_value): Removed.
5865         * graphite.h (debug_value): Removed.
5866
5867 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5868
5869         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5870         after graphite: pass_copy_prop does not maintain a proper loop closed
5871         SSA form.  pass_copy_prop should be fixed.
5872
5873 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5874
5875         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5876
5877 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5878
5879         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5880         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5881         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5882         changed the CFG.
5883
5884 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5885
5886         * graphite.c (gloog): Return true when code gen succeeded.
5887         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5888         the code of the function did not changed.  After cleanup_tree_cfg
5889         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5890         form.
5891
5892 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5893
5894         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5895         gimple_call_lhs is NULL.
5896
5897 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5898             Tobias Grosser  <tobi.grosser@amd.com>
5899
5900         * graphite.c (graphite_trans_scop_block): Do not block single
5901         nested loops.
5902
5903 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5904             Tobias Grosser  <tobi.grosser@amd.com>
5905
5906         * graphite.c (build_scop_canonical_schedules): Start schedules at
5907         zero.
5908
5909 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5910             Tobias Grosser  <tobi.grosser@amd.com>
5911
5912         * graphite.c (compare_prefix_loops): New.
5913         (build_scop_canonical_schedules): Rewritten.
5914         (graphite_transform_loops): Move build_scop_canonical_schedules
5915         after build_scop_iteration_domain.
5916
5917 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5918             Tobias Grosser  <tobi.grosser@amd.com>
5919
5920         * graphite.c (add_conditions_to_domain): Add the loops to
5921         the dimension of the iteration domain.  Do copy the domain
5922         only when it exists.
5923         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5924         (add_conditions_to_constraints): New.
5925         (can_generate_code_stmt, can_generate_code): Removed.
5926         (gloog): Do not call can_generate_code.
5927         (graphite_transform_loops): Call add_conditions_to_constraints
5928         after building the iteration domain.
5929
5930 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5931             Tobias Grosser  <tobi.grosser@amd.com>
5932             Jan Sjodin  <jan.sjodin@amd.com>
5933
5934         * graphite.c (scan_tree_for_params): On substractions negate
5935         all the coefficients of the term.
5936         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5937         of more than two operands.
5938         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5939         (get_vdef_before_scop): Handle also the case of default definitions.
5940
5941 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5942
5943         PR middle-end/38431
5944         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5945         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5946         (gloog): Do not call cleanup_tree_cfg.
5947         (graphite_transform_loops): Call cleanup_tree_cfg after all
5948         scops have been code generated.
5949
5950 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5951
5952         * passes.c (init_optimization_passes): Schedule after
5953         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5954
5955 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5956
5957         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5958         Fix comment.
5959         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5960         Set the type of an expression to the type of its assign statement.
5961         (expand_scalar_variables_expr):  Do not pass loop_p.
5962         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5963         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5964         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5965
5966 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5967
5968         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5969         an expression to the gimple_expr_type of its assign statement.
5970         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5971         or tcc_declaration.
5972
5973 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5974
5975         PR tree-optimization/38786
5976         * gcc.dg/graphite/pr38786.c: New.
5977         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5978         the SSA_NAME case of expand_scalar_variables_expr.
5979         (expand_scalar_variables_expr): Also gather the scalar computation
5980         used to index the memory access.
5981         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5982         the gimple_stmt_iterator where it inserts new code.
5983
5984 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5985
5986         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5987
5988 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5989
5990         * opts.c (decode_options): Enable flag_graphite_identity and
5991         flag_loop_block in -O2 and above.
5992
5993 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5994
5995         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5996         Fix merge problem: replace with the file from trunk.
5997
5998 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5999
6000         * Merge from mainline (r141727:143163).
6001
6002 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6003             Jan Sjodin  <jan.sjodin@amd.com>
6004
6005         PR tree-optimization/38559
6006         * gcc.dg/graphite/pr38559.c: New.
6007
6008         * graphite.c (debug_value, copy_constraint,
6009         swap_constraint_variables, scale_constraint_variable, ): New.
6010         (get_lower_bound, get_upper_bound): Removed.
6011         (graphite_trans_bb_strip_mine): Clean up this code that works
6012         only for constant number of iterations.  Fully copy upper and
6013         lower bound constraints, not only the constant part of them.
6014         * graphite.h (debug_value): Declared.
6015
6016 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6017
6018         PR tree-optimization/38492
6019         PR tree-optimization/38498
6020         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6021         * tree-chrec.h (scev_is_linear_expression): Declared.
6022         * graphite.c (graphite_cannot_represent_loop_niter): New.
6023         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6024         (graphite_loop_normal_form): Use gcc_assert.
6025         (scan_tree_for_params): Use CASE_CONVERT.
6026         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6027         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6028         Use gcc_assert.  Discard scops that contain unhandled cases.
6029         (build_scop_conditions): Return a boolean status for unhandled cases.
6030         (strip_mine_profitable_p): Print the loop number, not its depth.
6031         (is_interchange_valid): Pass the depth of the loop nest, don't
6032         recompute it wrongly.
6033         (graphite_trans_bb_block): Same.
6034         (graphite_trans_bb_block): Print tentative of loop blocking.
6035         (graphite_trans_scop_block): Do not print that the loop has been
6036         blocked.
6037         (graphite_transform_loops): Do not handle scops that contain condition
6038         scalar phi nodes.
6039
6040         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6041         in trunk.
6042         * gcc.dg/graphite/block-0.c: Update test.
6043         * gcc.dg/graphite/block-1.c: Same.
6044         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6045         blocking.
6046         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6047         * gcc.dg/graphite/block-3.c: New.
6048         * gcc.dg/graphite/pr38498.c: New.
6049
6050 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6051
6052         PR tree-optimization/38510
6053         * gcc.dg/graphite/pr38510.c: New.
6054         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6055           (translate_clast): Call recompute_all_dominators before
6056           graphite_verify.
6057           (gloog): Call recompute_all_dominators before graphite_verify.
6058
6059 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6060
6061         PR tree-optimization/38492
6062         * graphite.c (rename_map_elt, debug_rename_elt,
6063         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6064         rename_map_elt_info, eq_rename_map_elts,
6065         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6066         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6067         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6068         (sese_build_livein_liveouts): New.
6069         (new_sese, free_sese): New.
6070         (new_scop): Call new_sese.
6071         (free_scop): Call free_sese.
6072         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6073         (register_old_new_names): Renamed register_old_and_new_names.
6074         (register_scop_liveout_renames, add_loop_exit_phis,
6075         insert_loop_close_phis, struct igp,
6076         default_liveout_before_guard, add_guard_exit_phis,
6077         insert_guard_phis, copy_renames): New.
6078         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6079         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6080         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6081         (scop_adjust_phis_for_liveouts): New.
6082         (gloog): Call scop_adjust_phis_for_liveouts.
6083
6084         * graphite.h (struct sese): Documented.  Added fields liveout,
6085         num_ver and livein.
6086         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6087         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6088         (struct scop): Added field liveout_renames.
6089         (SCOP_LIVEOUT_RENAMES): New.
6090
6091 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6092
6093         PR tree-optimization/38409
6094         * gcc.dg/graphite/pr38409.c: New.
6095         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6096
6097 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6098
6099         * graphite.c (gcc_type_for_cloog_iv): By default return
6100         integer_type_node.
6101         (graphite_create_new_loop): Don't fold_convert the already
6102         fold_convert-ed expression.
6103
6104 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6105
6106         PR tree-optimization/38446
6107         * gcc.dg/graphite/pr38446.c: New.
6108         * graphite.c (register_bb_in_sese): New.
6109         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6110         looking at the bbs in the region.
6111         * graphite.h (sese): Add region_basic_blocks pointer set to
6112         structure and initialize at the time of defining new scop.
6113
6114 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6115
6116         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6117         (find_params_in_bb): Do not free data refs.
6118         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6119
6120 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6121
6122         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6123         * gcc.dg/graphite/scop-17.c: Same.
6124         * gcc.dg/graphite/block-5.c: New.
6125         * gcc.dg/graphite/block-6.c: New.
6126         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6127         * gcc.dg/graphite/pr37684.c: Same.
6128         * gcc.dg/graphite/block-2.c: Same.
6129
6130         * graphite.c (struct ivtype_map_elt): New.
6131         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6132         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6133         gcc_type_for_cloog_iv): New.
6134         (loop_iv_stack_patch_for_consts): Use the type of the induction
6135         variable from the original loop, except for the automatically
6136         generated loops, i.e., in the case of a strip-mined loop, in
6137         which case there is no original loop: in that case just use
6138         integer_type_node.
6139         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6140         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6141         (clast_name_to_gcc): Accept params to be NULL.
6142         (clast_to_gcc_expression): Take an extra parameter for the type.
6143         Convert to that type all the expressions built by this function.
6144         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6145         (graphite_translate_clast_equation): Compute the type of the
6146         clast_equation before translating its LHS and RHS.
6147         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6148         (graphite_create_new_loop): Compute the type of the induction
6149         variable before translating the lower and upper bounds and before
6150         creating the induction variable.
6151         (rename_variables_from_edge, rename_phis_end_scop): New.
6152         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6153         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6154         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6155         compute_cloog_iv_types): New.
6156         (gloog): Call compute_cloog_iv_types before starting the
6157         translation of the clast.
6158
6159         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6160         (GBB_CLOOG_IV_TYPES): New.
6161         (debug_ivtype_map): Declared.
6162         (oldiv_for_loop): New.
6163
6164 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6165
6166         PR middle-end/38459
6167         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6168         (param_index): Assert if parameter is not know after parameter
6169         detection.
6170         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6171         (find_scop_parameters): Mark, that we have finished parameter
6172         detection.
6173         (graphite_transform_loops): Move condition detection before parameter
6174         detection.
6175         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6176         * gfortran.dg/graphite/pr38459.f90: New.
6177
6178 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6179
6180         * graphite.c (graphite_transform_loops): Always call find_transform ()
6181         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6182         generate code.
6183
6184 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6185
6186         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6187         (print_scop): Ditto.
6188
6189 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6190
6191         PR middle-end/38084
6192         Fix gfortran.dg/graphite/id-3.f90.
6193         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6194         regions more than once.
6195
6196 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6197
6198         Fix gfortran.dg/graphite/id-4.f90.
6199         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6200         when not needed.
6201
6202 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6203
6204         Fix gfortran.dg/graphite/id-1.f90.
6205         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6206         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6207         (max_precision_type): New.
6208         (value_clast): Removed.
6209         (clast_to_gcc_expression): Be more careful to types of expressions.
6210         Use max_precision_type and update use of gmp_cst_to_tree.
6211         (graphite_translate_clast_equation): Use max_precision_type.
6212         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6213         use the type of the condition.
6214         (graphite_create_new_loop): Do not use integer_type_node, use the
6215         max_precision_type of lb and ub.
6216
6217 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6218
6219         * graphite.c (build_scops_1): Initialize open_scop.exit
6220         and sinfo.last.
6221
6222 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6223
6224         * gcc.dg/graphite/pr38084.c: New.
6225         * gfortran.dg/graphite/id-1.f90: New.
6226         * gfortran.dg/graphite/id-2.f90: New.
6227         * gfortran.dg/graphite/id-3.f90: New.
6228         * gfortran.dg/graphite/id-4.f90: New.
6229         * gfortran.dg/graphite/pr37857.f90: New.
6230
6231 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6232             Jan Sjodin  <jan.sjodin@amd.com>
6233             Harsha Jagasia  <harsha.jagasia@amd.com>
6234
6235         PR middle-end/37852
6236         PR middle-end/37883
6237         PR middle-end/37928
6238         PR middle-end/37980
6239         PR middle-end/38038
6240         PR middle-end/38039
6241         PR middle-end/38073
6242         PR middle-end/38083
6243         PR middle-end/38125
6244
6245         * gcc.dg/graphite/pr38073.c: New.
6246         * gcc.dg/graphite/pr37928.c: New.
6247         * gcc.dg/graphite/pr37883.c: New.
6248         * gcc.dg/graphite/pr38125.c: New.
6249         * gfortran.dg/graphite/pr38083.f90: New.
6250         * gfortran.dg/graphite/pr37852.f90: New.
6251         * gfortran.dg/graphite/pr37980.f90: New.
6252
6253         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6254         the number of detected scops.  Copy exact same test for loop
6255         blocking...
6256         * gcc.dg/graphite/block-1.c: Fix the number of expected
6257         loops to be blocked as reductions are not handled.
6258         * gcc.dg/graphite/block-4.c: ...here.  New.
6259
6260         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6261         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6262         ...here.
6263         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6264         * Makefile.in (graphite.o): Depend on value-prof.h.
6265         (graphite.o-warn): Removed -Wno-error.
6266         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6267         to be a NULL pointer.  Call update_stmt.  Return the newly created
6268         cannonical induction variable.
6269
6270         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6271
6272         * graphite.c: Reimplement the code generation from graphite to gimple.
6273         Include value-prof.h.
6274         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6275         (get_old_iv_from_ssa_name): Removed.
6276         (graphite_stmt_p): New.
6277         (new_graphite_bb): Test for useful statements before building a
6278         graphite statement for the basic block.
6279         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6280         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6281         reason.
6282         (recompute_all_dominators, graphite_verify,
6283         nb_reductions_in_loop, graphite_loop_normal_form): New.
6284         (scop_record_loop): Call graphite_loop_normal_form.
6285         (build_scop_loop_nests): Iterate over all the blocks of the
6286         function instead of relying on the incomplete information from
6287         SCOP_BBS.  Return the success of the operation.
6288         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6289         (add_bb_domains): Removed.
6290         (build_loop_iteration_domains): Don't call add_bb_domains.
6291         Add the iteration domain only to the basic blocks that have been
6292         translated to graphite.
6293         (build_scop_conditions_1): Add constraints only if the basic
6294         block have been translated to graphite.
6295         (build_scop_data_accesses): Completely disabled until data
6296         dependence is correctly implemented.
6297         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6298         (remove_all_edges_1, remove_all_edges): Removed.
6299         (get_new_name_from_old_name): New.
6300         (graphite_rename_variables_in_stmt): Renamed
6301         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6302         Use replace_exp and update_stmt.
6303         (is_old_iv): Renamed is_iv.
6304         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6305         Use replace_exp and update_stmt.
6306         (expand_scalar_variables_expr): Same.  Use the map to get the
6307         new names for the renaming of induction variables and for the
6308         renaming of variables after a basic block has been copied.
6309         (expand_scalar_variables): Same.
6310         (graphite_rename_variables): Renamed rename_variables.
6311         (move_phi_nodes): Removed.
6312         (get_false_edge_from_guard_bb): New.
6313         (build_iv_mapping): Do not insert the induction variable of a
6314         loop in the renaming iv map if the basic block does not belong
6315         to that loop.
6316         (register_old_new_names, graphite_copy_stmts_from_block,
6317         copy_bb_and_scalar_dependences): New.
6318         (translate_clast): Heavily reimplemented: copy basic blocks,
6319         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6320         At each translation step call graphite_verify ensuring the
6321         consistency of the SSA, loops and dominators information.
6322         (collect_virtual_phis, find_vdef_for_var_in_bb,
6323         find_vdef_for_var_1, find_vdef_for_var,
6324         patch_phis_for_virtual_defs): Removed huge hack.
6325         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6326         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6327         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6328         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6329         if_region_get_condition_block, if_region_set_false_region,
6330         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6331         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6332         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6333         rewrite_into_sese_closed_ssa): New.
6334         (gloog): Remove dead code.  Early return if code cannot be
6335         generated.  Call cleanup_tree_cfg once the scop has been code
6336         generated.
6337         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6338         block loops with less than two loops.
6339         (graphite_apply_transformations): Remove the call to
6340         scop_remove_ignoreable_gbbs.
6341         (limit_scops): When build_scop_loop_nests fails, continue on
6342         the next scop.  Fix open_scop.entry.
6343         (graphite_transform_loops): Call recompute_all_dominators: force the
6344         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6345         Call initialize_original_copy_tables and free_original_copy_tables
6346         to be able to copy basic blocks during code generation.
6347         When build_scop_loop_nests fails, continue on next scop.
6348         (value_clast): New union.
6349         (clast_to_gcc_expression): Fix type cast warning.
6350
6351 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6352
6353         * Merge from mainline (r140838:141727).
6354
6355 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6356
6357         PR middle-end/37833
6358
6359         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6360
6361 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6362
6363         PR middle-end/37943
6364
6365         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6366         exits and conditions.
6367         * gcc.dg/graphite/pr37943.c: New.
6368
6369 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6370
6371         PR middle-end/37886
6372         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6373
6374 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6375
6376         * doc/invoke.texi: Fix spaces.
6377
6378 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6379
6380         PR tree-optimization/37891
6381         Reverted last commit.
6382         * graphite.c (create_single_entry_edge): Set
6383         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6384
6385 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6386             Mitul Thakkar  <mitul.thakkar@amd.com>
6387
6388         * graphite.c (create_single_entry_edge): Set
6389         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6390
6391 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6392
6393         * doc/invoke.texi: Add -fgraphite-identity.
6394         * graphite.c (graphite_apply_transformations): Check for
6395         -fgraphite-identity.
6396         * toplev.c (process_options): Add flag_graphite_identity.
6397         * tree-ssa-loop.c: Add flag_graphite_identity.
6398
6399 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6400
6401         Undo changes from 2008-10-02:
6402         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6403         operand type when copying the operand to a variable of different type.
6404         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6405         with the IV name after increment.
6406
6407 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6408             Harsha Jagasia  <harsha.jagasia@amd.com>
6409
6410         PR tree-optimization/37828
6411         * gcc.dg/graphite/pr37828.c: New.
6412         * graphite.c (graphite_trans_loop_block): Do not loop block
6413         single nested loops.
6414
6415 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6416             Sebastian Pop  <sebastian.pop@amd.com>
6417
6418         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6419         rename_map_elt_info, eq_rename_map_elts): New.
6420         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6421         (expand_scalar_variables_expr): Change parameters.
6422         (expand_scalar_variables_stmt): Same.
6423         (expand_scalar_variables): Same.
6424         (graphite_rename_ivs): Rename graphite_rename_variables.
6425         (build_iv_mapping): New.
6426         (translate_clast): Call build_iv_mapping.
6427         * graphite.h (gbb_p): New name.
6428
6429 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6430
6431         PR tree-optimization/37684
6432         * gcc.dg/graphite/pr37684.c: New.
6433         * graphite.c (exclude_component_ref): New.
6434         (is_simple_operand): Call exclude_component_ref.
6435
6436 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6437             Harsha Jagasia  <harsha.jagasia@amd.com>
6438
6439         PR tree-optimization/37485
6440         * gcc.dg/graphite/block-2.c: New
6441         * graphite.c (gmp_cst_to_tree): Moved.
6442         (iv_stack_entry_is_constant): New.
6443         (iv_stack_entry_is_iv): New.
6444         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6445         (loop_iv_stack_insert_constant): New.
6446         (loop_iv_stack_pop): Use new datatpype.
6447         (loop_iv_stack_get_iv): Same.
6448         (loop_iv_stack_get_iv_from_name): Same.
6449         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6450         (loop_iv_stack_patch_for_consts): New.
6451         (loop_iv_stack_remove_constants): New.
6452         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6453         (translate_clast): Call loop_iv_stack_patch_for_consts and
6454         loop_iv_stack_remove_constants.
6455         (gloog): Use new datatype.  Redirect construction edge to end
6456         block to avoid accidental deletion.
6457         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6458         iv stack entry.
6459         (union iv_stack_entry_data): New.  Data in iv stack entry.
6460         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6461
6462 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6463
6464         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6465         operand type when copying the operand to a variable of different type.
6466
6467 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6468
6469         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6470         with the IV name after increment.
6471
6472 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6473
6474         * Merge from mainline (r140164:140838).
6475
6476 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6477
6478         * graphite-data-ref.c: New.
6479         * graphite.c (print_scop): Also dump the dependence graph.
6480         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6481         (new_scop): Initialize SCOP_DEP_GRAPH.
6482         (build_scop_dynamic_schedules): New.
6483         (build_access_matrix_with_af): Fixed column numbering.
6484         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6485         * graphite.h: Add ifndef/define guards against multiple inclusion.
6486         (struct scop): Add dep_graph field.
6487         (SCOP_DEP_GRAPH): Defined.
6488         (ref_nb_loops): Fixed and moved to other position.
6489         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6490         (nb_loops_around_loop_in_scop): New.
6491         (graphite_dump_dependence_graph): Declared.
6492         (graphite_build_rdg_all_levels): Declared.
6493         (graphite_test_dependence): Declared.
6494         * Makefile.in (graphite-data-ref.o): New target.
6495
6496 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6497
6498         * Merge from mainline (139870:140164).
6499
6500 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6501
6502         * Merge from mainline (138275:139870).
6503         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6504         the commits from trunk broke the niter detection.
6505
6506 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6507
6508         * graphite.c: Add more documentation.  Fix formatting.
6509         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6510         loop_iv_stack_debug): Moved...
6511         (schedule_to_scattering): Move before use.
6512         (dot_all_scops): Include in "#if 0" the code for system
6513         call dotty.
6514
6515         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6516         loop_iv_stack_debug): ...here.
6517
6518 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6519
6520         * tree-phinodes.c (make_phi_node): Extern.
6521         (add_phi_node_to_bb): New.
6522         (create_phi_node): Call add_phi_node_to_bb.
6523         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6524         (remove_statement): Handle case where stored phi was updated
6525         and is no longer the same.
6526         * graphite.c (is_parameter): New.
6527         (is_old_iv): New.
6528         (expand_scalar_variables_expr): New.
6529         (expand_scalar_variables_stmt): New.
6530         (expand_scalar_variables): New.
6531         (move_phi_nodes): Create new phi instead of moving old one.
6532         (translate_clast): Call expand_scalar_variables.
6533         (find_vdef_for_var_in_bb): Also scan regular definitions.
6534         (skip_phi_defs): New.
6535         (collect_scop_exit_phi_args): New.
6536         (patch_scop_exit_phi_args): New.
6537         (gloog): Patch phis after scop.
6538         * tree-flow.h: (add_phi_node_to_bb): Declared.
6539         (make_phi_node): Declared.
6540
6541 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6542
6543         * graphite.c (end_scop): Split the entry of the scop when it
6544         is the header of the loop in which the scop is ending.
6545         (build_scops_1, limit_scops): Update uses of end_scop.
6546
6547 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6548
6549         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6550         SCOP_ENTRY or SCOP_EXIT.
6551
6552 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6553
6554         * graphite.c (get_construction_edge): Removed.
6555         (gloog): Construction edge is the scop entry edge.
6556
6557 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6558
6559         * graphite.c (can_generate_for_scop): Removed.
6560         (gloog): Do not call it.
6561
6562 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6563
6564         * graphite.c (new_scop): Entry of a scop is an edge.
6565         Initialize SESE region.
6566         (free_scop): Free SESE region.
6567         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6568         (split_difficult_bb): New, split from end_scop.
6569         (end_scop): Exit of a scop is an edge.
6570         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6571         not automatically updated and thus is always wrong.
6572         * graphite.h (struct sese): New.
6573         (SESE_ENTRY): New.
6574         (SESE_EXIT): New.
6575         (struct scop): New field for a SESE region.  Remove entry, exit.
6576         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6577         semantics as before.  Moved comment around.
6578
6579 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6580             Sebastian Pop  <sebastian.pop@amd.com>
6581
6582         * graphite.c (graphite_transform_loops): Always enable gloog
6583         and find_transform when ENABLE_CHECKING.
6584
6585 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6586
6587         * graphite.c (graphite_transform_loops): Move pretty printer
6588         of SCOPs before doing any transform.  Remove call to print_scops
6589         and dot_all_scops_1.
6590
6591 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6592
6593         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6594         (print_graphite_bb): Same.
6595
6596 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6597
6598         * graphite.c (dot_all_scops_1): Cleanup.
6599         (move_scops): Fix comment.
6600
6601 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6602
6603         * graphite.c (build_scop_bbs): Revert commit 139355:
6604
6605         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6606                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6607
6608                 * graphite.c (build_scop_bbs): Factor up code.
6609
6610 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6611
6612         * graphite.c (gloog): Update dominator info.
6613
6614 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6615
6616         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6617
6618 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6619
6620         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6621         initialization.
6622         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6623         (translate_clast): Correct formatting.
6624         * graphite.h (struct num_map): Removed.
6625         (struct graphite_bb): Remove num_map field.
6626         (GBB_INDEX_TO_NUM_MAP): Removed.
6627
6628 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6629
6630         * graphite.c (build_access_matrix_with_af): Fix comments.
6631         (build_scop_data_accesses): Same.
6632
6633 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6634
6635         * graphite.c (build_scop_data_accesses): Don't construct
6636         access matrices.  Add a FIXME and an assert condition that
6637         should pass when the access matrices will be needed.
6638
6639 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6640
6641         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6642         really_constant_p.
6643         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6644         Moved close by free_graphite_bb.
6645         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6646         (new_scop): Move close by free_scop.
6647         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6648
6649 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6650
6651         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6652         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6653         instead of recursive call.
6654         (graphite_translate_clast_equation): New.
6655         (graphite_create_guard_cond_expr): New.
6656         (graphite_create_new_guard): New.
6657         (get_stack_index_from_iv): Removed.
6658         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6659         (get_true_edge_from_guard_bb): New.
6660         (translate_clast): Handle stmt_guard in clast.
6661         (get_construction_edge): Allow construction edge detection for
6662         a scope entry with multiple predecessors if one predecessor is
6663         the immediate dominator of scope entry.
6664         (can_generate_code_stmt): Enable code generation for clast_guard.
6665         (gloog): Use correct context loop.  Removed check for post dominators.
6666         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6667
6668 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6669
6670         * graphite.c (remove_dead_loops): Document better which
6671         loops are removed.
6672
6673 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6674
6675         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6676         and PPLINC.
6677         (graphite.o): Also depends on pointer-set.h.
6678
6679 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6680
6681         * graphite.c (scop_record_loop): Fix compile warning.
6682
6683 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6684             Sebastian Pop  <sebastian.pop@amd.com>
6685
6686         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6687
6688 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6689
6690         * graphite.c (build_graphite_bb): Initialize bb->aux to
6691         point to the graphite_bb_p.
6692         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6693         content of bb->aux.
6694         (add_bb_domains): Does not use the scop parameter.
6695         (graphite_transform_loops): Clean bb->aux at the end.
6696
6697 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6698             Sebastian Pop  <sebastian.pop@amd.com>
6699
6700         * lib/target-supports.exp
6701         (check_effective_target_fgraphite): New.
6702
6703         * gcc.dg/graphite/graphite.exp: Early exit when
6704         check_effective_target_fgraphite returns false.
6705         Set dg-do-what-default to compile.
6706         (scan-graphite-dump-times): Removed.
6707         * gfortran.dg/graphite/graphite.exp: Same.
6708
6709         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6710         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6711         * gcc.dg/graphite/scop-1.c: Same.
6712         * gcc.dg/graphite/scop-2.c: Same.
6713         * gcc.dg/graphite/scop-3.c: Same.
6714         * gcc.dg/graphite/scop-4.c: Same.
6715         * gcc.dg/graphite/scop-5.c: Same.
6716         * gcc.dg/graphite/scop-6.c: Same.
6717         * gcc.dg/graphite/scop-7.c: Same.
6718         * gcc.dg/graphite/scop-8.c: Same.
6719         * gcc.dg/graphite/scop-9.c: Same.
6720         * gcc.dg/graphite/scop-10.c: Same.
6721         * gcc.dg/graphite/scop-11.c: Same.
6722         * gcc.dg/graphite/scop-12.c: Same.
6723         * gcc.dg/graphite/scop-13.c: Same.
6724         * gcc.dg/graphite/scop-matmult.c: Same.
6725         * gcc.dg/graphite/scop-14.c: Same.
6726         * gcc.dg/graphite/scop-15.c: Same.
6727         * gcc.dg/graphite/block-0.c: Same.
6728         * gcc.dg/graphite/scop-16.c: Same.
6729         * gcc.dg/graphite/block-1.c: Same.
6730         * gcc.dg/graphite/scop-17.c: Same.
6731         * gcc.dg/graphite/scop-18.c: Same.
6732         * gfortran.dg/graphite/block-1.f90: Same.
6733         * gfortran.dg/graphite/scop-1.f: Same.
6734         * gfortran.dg/graphite/block-2.f: Same.
6735
6736 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6737
6738         * graphite.c: Fix some XXX comments.
6739         (build_scop_dynamic_schedules): Removed.
6740
6741 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6742
6743         * graphite.h (scop_max_loop_depth): Moved...
6744         * graphite.c (scop_max_loop_depth): ...here.
6745         (remove_all_edges_1): New.
6746         (remove_all_edges): Factored code.
6747         (remove_cond_exprs): Check only the last statement for
6748         a GIMPLE_COND expression.
6749
6750 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6751
6752         * graphite.c (scan_tree_for_params): Early return when the
6753         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6754         (find_scop_parameters): Factor out code.
6755         (graphite_trans_bb_strip_mine): Remove dead code.
6756
6757 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6758
6759         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6760         graphite_trans_bb_move_loop): Factor asserts.
6761         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6762         Do not call calculate_dominance_info and estimate_bb_frequencies.
6763
6764 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6765
6766         * graphite.c (create_loops_mapping, free_loops_mapping,
6767         create_loops_mapping_num, debug_loop_mapping_1,
6768         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6769         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6770         graphite_loops_mapping_add_child_num,
6771         graphite_loops_mapping_insert_child,
6772         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6773         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6774         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6775         create_num_from_index, get_num_from_index,
6776         swap_loop_mapped_depth): Removed.
6777         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6778         (free_scop): Do not call free_loops_mapping.
6779         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6780         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6781         get_loop_mapped_depth.
6782         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6783         (graphite_trans_bb_strip_mine): Same.
6784         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6785         (struct scop): Remove field loops_mapping.
6786
6787 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6788             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6789
6790         * graphite.c (scop_record_loop): Factor out one level of the
6791         condition by early return.
6792         (build_scop_loop_nests): Format following FSF coding style.
6793         (build_scop_dynamic_schedules): Factor out code.
6794         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6795
6796 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6797             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6798
6799         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6800         assignments that are not handled as simple operands for now.
6801
6802 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6803             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6804
6805         * graphite.c (build_scop_bbs): Factor up code.
6806
6807 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6808             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6809
6810         * graphite.c (stmt_simple_for_scop_p): Factor code out
6811         of the loop.
6812         (enum gbb_type): New.  Group all the GBB_* types under it.
6813         (is_loop_exit): Moved...
6814         (end_scop): Enable BB spliting.
6815         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6816         * cfgloop.h (is_loop_exit): Declared.
6817
6818 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6819
6820         * doc/invoke.texi: Remove strides from examples containing
6821         DO loops when the strides are equal to 1.
6822
6823 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6824             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6825
6826         * graphite.c (graphite_trans_scop_block): Or the result with
6827         the result from graphite_trans_loop_block.
6828         * gcc.dg/graphite/block-1.c: New.
6829         * gfortran.dg/graphite/block-1.f90: New.
6830         * gfortran.dg/graphite/block-2.f: New.
6831
6832 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6833
6834         * graphite.c (graphite_transform_loops): Call cloog_initialize
6835         and cloog_finalize.
6836
6837 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6838
6839         * tree-data-ref.c) (stmt_simple_memref_p): New.
6840         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6841         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6842         (is_simple_operand): Call stmt_simple_memref_p.
6843
6844         * gcc.dg/graphite/scop-matmult.c: Updated for not
6845         using pointer arithmetic, as this is optimized by PRE and
6846         makes the code too difficult to analyze.
6847
6848         * gcc.dg/graphite/scop-18.c: Same.
6849
6850 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6851
6852         * gdbinit.in (pgg): New.
6853
6854 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6855
6856         * graphite.c (graphite_trans_loop_block): Fix warning.
6857
6858 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6859
6860         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6861
6862 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6863
6864         * graphite.c (graphite_trans_bb_block): Remove check for
6865         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6866         Check if loop blocking is profitable for every loop, before applying
6867         the changes.
6868         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6869         if flag_loop_block is set.
6870
6871 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6872
6873         * graphite.c: Add some more documentation for the loop
6874         mapping.
6875
6876 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6877
6878         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6879         * graphite.c: Format on less than 80 columns.
6880         * graphite.h: Same.
6881
6882 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6883
6884         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6885
6886 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6887
6888         * doc/invoke.texi (floop-block, floop-strip-mine,
6889         floop-interchange): Update documentation with examples.
6890
6891 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6892
6893         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6894         add_referenced_var.
6895         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6896
6897 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6898
6899         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6900         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6901         * tree-scalar-evolution.c: Revert useless changes.
6902         * tree-phinodes.c: Same.
6903         * cfghooks.c: Same.
6904         * vec.h: Same.
6905         * tree-vectorizer.h: Same.
6906         * tree-flow.h: Same.
6907         * tree-cfg.c: Same.
6908         * common.opt (fgraphite): Update documentation.
6909
6910 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6911
6912         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6913         -floop-interchange): Add more text for explaining what each of these
6914         flags is doing.
6915         * tree-into-ssa.c (gimple_vec): Moved to...
6916         * graphite.c: Include gimple.h.
6917         (gimple_vec): Moved to...
6918         (del_loop_to_cloog_loop): Removed.
6919         (loop_affine_expr): Do not call create_data_ref when the
6920         operand is a constant.
6921         (new_scop): Use free instead of del_loop_to_cloog_loop.
6922         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6923         * gimple.h (gimple_vec): ... here.
6924
6925 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6926
6927         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6928         latch executions.
6929         (build_loop_iteration_domains): Fail, if latch executions unknown.
6930
6931 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6932
6933         * graphite.c (add_conditions_to_domain): New.
6934         (build_scop_conditions_1): Call add_conditions_to_domain.
6935         (set_cloog_options): Allow to disable optimizations.
6936
6937 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6938
6939         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6940         Do not use walk_dominator_tree.
6941         (find_scop_parameters): Do not use walk_dominator_tree.
6942
6943 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6944
6945         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6946         (idx_record_params): Adapt.
6947         * graphite.h (scop_gimple_loop_depth): New.
6948
6949 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6950
6951         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6952         (scan_tree_for_params): Remove value_init.
6953         (build_scop_context): Remove value_init.
6954         (build_loop_iteration_domains): Remove value_init.
6955         (schedule_to_scattering): Remove value_init.
6956         (graphite_trans_bb_strip_mine): Remove value_init.
6957
6958 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6959
6960         * gcc/graphite.c (limit_scops): New.
6961         (graphite_transform_loops): Add limit SCoPs.
6962         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6963         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6964         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6965         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6966         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6967         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6968         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6969         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6970         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6971         Change loop numbers.
6972         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6973         Change loop numbers.
6974         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6975         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6976         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6977         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6978         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6979         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6980         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6981         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6982         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6983         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6984
6985 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6986
6987         * graphite.c (graphite_transform_loops): Call always find_transform.
6988
6989 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6990
6991         * graphite.c (free_loops_mapping): New.
6992         (stmt_simple_for_scop_p): Fix typo.
6993         (stmt_simple_for_scop_p): Fix tuples functions, that
6994         broke polyhedron.
6995         (free_graphite_bb): Fix some memleaks.
6996         (free_scop): Fix some memleaks.
6997         (scopdet_bb_info): Do not forget some tmp SCoPs.
6998         (find_params_in_bb): Fix some memleaks.
6999         (clast_to_gcc_expression): Fix warning.
7000
7001 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7002
7003         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7004         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7005
7006 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7007
7008         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7009         Move code ifdef-ed HAVE_cloog...
7010         * graphite.c: Include toplev.h.
7011         ... here.
7012         * Makefile.in (OBJS-common): Always build graphite.o.
7013         (BACKEND): Remove @GRAPHITE@.
7014         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7015         (graphite.o): Depend on TOPLEV_H.
7016
7017 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7018
7019         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7020         Remove typo left from polylib to ppl conversion.
7021         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7022
7023 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7024
7025         * toplev.c (process_options): Move the graphite loop optimization
7026         flags...
7027         * tree-ssa-loop.c (graphite_transforms): ... here.
7028         When not configured with CLooG, print to dump_file that
7029         Graphite transforms were not performed.
7030         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7031         New.
7032         * gcc.dg/graphite/*.c: Updated all testcases to use
7033         scan-graphite-dump-times.
7034
7035 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7036
7037         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7038         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7039
7040 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7041             Jan Sjodin  <jan.sjodin@amd.com>
7042
7043         * configure: Regenerated.
7044         * omp-low.c (expand_omp_sections): Remove now unused code.
7045         * config.in (HAVE_polylib): Removed.
7046         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7047         (PPLLIBS, PPLINC): Added.
7048         * graphite.c: Replace unsigned with int wherever possible.
7049         Don't access Cloog's data structures, but use accessor functions.
7050         Clast's stmt->type is now implemented as a vtable: change the
7051         switches of stmt->type into ifs.
7052         (polylib/polylibgmp.h): Don't include.
7053         (initialize_dependence_polyhedron,
7054         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7055         statement_precedes_p, test_dependence, build_rdg_all_levels,
7056         dump_dependence_graph): Removed until this code is cleaned up
7057         or ported to Cloog.
7058         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7059         (POLYLIBINC): Renamed PPLINC.
7060
7061 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7062             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7063             Jan Sjodin  <jan.sjodin@amd.com>
7064
7065         Finish the merge and tuplification of graphite.
7066
7067 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7068             Jan Sjodin  <jan.sjodin@amd.com>
7069
7070         Partial merge from mainline (138072:138275).
7071         * graphite.c still has to be tuplified.
7072
7073 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7074
7075         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7076         (create_num_from_index): New.
7077         (get_num_from_index): Also pass in the graphite BB.
7078         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7079         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7080         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7081         (is_interchange_valid): Return false when failing.
7082         * graphite.h (struct num_map): New.
7083         (struct graphite_bb): New field num_map.
7084         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7085
7086 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7087
7088         * graphite.c (dump_gbb_conditions): Print also conditions like
7089         "if (a)".  Remove dublicated code and use print_generic_expr ().
7090         (stmt_simple_for_scop_p): Only allow conditions we can handle
7091         {<, <=, >, >=}.
7092
7093 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7094
7095         * graphite.h (struct scop): Removed new_ivs field.
7096         (SCOP_NEWIVS): Deleted.
7097         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7098         clast_to_gcc_expression, graphite_create_new_loop):
7099         Removed use of new_ivs.
7100
7101 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7102
7103         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7104         create_loops_mapping_num, debug_loop_mapping_1): New.
7105         (debug_loop_mapping): Call debug_loop_mapping_1.
7106         (get_loop_mapping_for_num,
7107         graphite_loops_mapping_add_child,
7108         graphite_loops_mapping_add_child_num,
7109         graphite_loops_mapping_insert_child,
7110         graphite_loops_mapping_parent,
7111         split_loop_mapped_depth_for_num,
7112         loop_mapped_depth_split_loop): New.
7113         (increment_loop_mapped_depths): Removed.
7114         (swap_loop_mapped_depth_for_num): Reimplemented.
7115         (new_scop): Call create_loops_mapping.
7116         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7117         (translate_clast): Pass the old loop father in parameter, and pass
7118         it to get_old_iv_from_ssa_name.
7119         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7120         can_generate_code, can_generate_for_scop): New.
7121         (graphite_trans_bb_block): Returns false when it fails to transform.
7122         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7123
7124 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7125
7126         Reverted all the changes related to the streamization and
7127         loop fusion.
7128         These changes are now tracked in the streamization branch.
7129
7130 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7131             Jan Sjodin  <jan.sjodin@amd.com>
7132
7133         * graphite.c (gbb_compare): Correctly constify.
7134         (gbb_can_be_ignored): Indent.
7135         (graphite_trans_scop_swap_1and2): Add legality check.
7136         Remove dead FIXMEs.
7137
7138 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7139
7140         Remove fallouts from "Reverted the Condate changes".
7141         * tree.h: Remove unused decl.
7142         * gcc.dg/tree-checker: Same.
7143         * timevar.def: Remove counter.
7144
7145 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7146
7147         * Merge from mainline (135673:138072).
7148
7149         Reverted the MIRO changes (from 2008-04-05) that are now
7150         tracked in the miro branch.
7151         * tree-bounds.c: Removed.
7152         * tree-bounds.h: Removed.
7153
7154         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7155         are now tracked in the condate branch.
7156         * tree-check.c: Removed.
7157         * tree-match.c: Removed.
7158         * condate.y: Removed.
7159
7160 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7161
7162         * common.opt: New user flag -floop-block, -floop-strip-mine
7163         and -floop-interchange.
7164         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7165         graphite loop optimization flags is turned on.
7166         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7167         flag_loop_strip_mine and flag_loop_interchange checks before
7168         optimizations.
7169         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7170         -floop-strip-mine and -floop-interchange.
7171         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7172         -fgraphite.
7173         * gcc.dg/graphite/scop-16.c: Ditto.
7174         * gcc.dg/graphite/scop-17.c: Ditto.
7175         * gcc.dg/graphite/scop-18.c: Ditto.
7176
7177 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7178             Sebastian Pop  <sebastian.pop@amd.com>
7179
7180         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7181         (create_empty_loop_on_edge): More fixes.
7182         * tree-phinodes.c (resize_phi_node): Extern.
7183         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7184         * cfghooks.c (update_dominator_information): New split from
7185         split_edge.
7186         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7187         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7188         successor of the function entry block.
7189
7190         * graphite.c: Include pointer-set.h.
7191         (debug_loop_mapping, increment_loop_mapped_depths,
7192         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7193         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7194         swap_loop_mapped_depth_for_num, get_num_from_index,
7195         swap_loop_mapped_depth, loop_iv_stack_debug,
7196         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7197         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7198         get_old_iv_from_ssa_name): New.
7199         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7200         (free_scop): Free SCOP_LOOPS_MAPPING.
7201         (scop_record_loop): Record old ivs.
7202         (create_var_name): Removed.
7203         (initialize_cloog_names): Allocate double space in case strip mine
7204         applies to all loops once.
7205         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7206         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7207         translation.
7208         (graphite_create_new_loop): Pass in ivstack.
7209         (remove_all_edges): Pass in the construction_edge.
7210         (graphite_remove_iv): Removed.
7211         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7212         remove_cond_exprs): Rewritten.
7213         (move_phi_nodes): New.
7214         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7215         (translate_clast): Pass in ivstack.  Rewrite some cases.
7216         (set_cloog_options, debug_clast_stmt): New.
7217         (find_transform): Use set_cloog_options.
7218         (outermost_loop_layer): Removed.
7219         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7220         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7221         mark_old_loops, remove_dead_loops): New.
7222         (gloog): Rewritten.
7223         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7224         (const_column_index, get_first_matching_sign_row_index,
7225         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7226         get_upper_bound): New.
7227         (graphite_trans_bb_strip_mine): Also update the iv map.
7228
7229         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7230         (struct name_tree): Add a loop field.
7231         (struct scop): Add a graphite_loops_mapping field.
7232         (SCOP_LOOPS_MAPPING): New.
7233         (debug_clast_stmt): Declare.
7234         * lambda.h (find_induction_var_from_exit_cond): Declare.
7235         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7236         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7237         (create_empty_loop_on_edge): Updated.
7238         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7239         rename_variables_in_bb): Declare.
7240         * tree-cfg.c (remove_bb): Extern.
7241
7242         * gcc.dg/graphite/block-0.c: New.
7243
7244 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7245             Sebastian Pop  <sebastian.pop@amd.com>
7246
7247         * graphite.c (strip_mine_profitable_p): New.
7248         (graphite_trans_bb_block): Disable strip mining if not profitable.
7249
7250         * gcc.dg/graphite/scop-18.c: New.
7251         * gcc.dg/graphite/scop-17.c: Fixed.
7252         * gcc.dg/graphite/scop-16.c: Fixed.
7253
7254 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7255             Jan Sjodin  <jan.sjodin@amd.com>
7256             Sebastian Pop  <sebastian.pop@amd.com>
7257
7258         * graphite.c (is_interchange_valid): New.
7259         (graphite_trans_bb_block): Check loop nest of basic block for legality
7260         of interchange.
7261
7262         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7263         outer_most_loop, gbb_outer_most_loop_index): New.
7264
7265         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7266         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7267         * gcc.dg/graphite/scop-16.c: New.
7268         * gcc.dg/graphite/scop-17.c: New.
7269
7270 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7271
7272         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7273         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7274
7275 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7276
7277         * graphite.c (new_scop): Initialize SCOP_EXIT.
7278         (scopdet_info): Add.
7279         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7280         (build_scops_1): Cleanup, bugfixes.
7281         (build_scops): Cleanup.
7282
7283         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7284         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7285
7286 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7287
7288         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7289
7290         * gfortran.dg/graphite/graphite.exp: Use
7291         DEFAULT_GRAPHITE_FLAGS.
7292
7293         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7294
7295 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7296
7297         * graphite.c (scan_tree_for_params): Do not assert any more if
7298         MULT_EXPR parameter is negative.
7299
7300         * gfortran.dg/graphite/scop-1.f: New.
7301
7302         * gfortran.dg/graphite/graphite.exp: New.
7303
7304         * gcc.dg/graphite/scop-15.c: New.
7305
7306 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7307
7308         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7309
7310 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7311
7312         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7313         graphite_swap_loops.
7314         (graphite_trans_bb_move_loop): New.
7315         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7316         (graphite_trans_bb_block): New.
7317         (graphite_trans_loop_block): New.
7318         (graphite_trans_scop_swap_1and2): Rename from
7319         graphite_trans_swap_1and2.
7320         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7321         (graphite_trans_scop_block): New.
7322         (graphite_apply_transformations): Rename from
7323         graphite_transformations.
7324
7325         * gcc.dg/graphite/scop-matmult.c: New.
7326
7327 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7328
7329         * graphite.c (gbb_compare): New.
7330         (graphite_sort_gbbs): New.
7331         (gbb_can_be_ignored): New.
7332         (scop_remove_ignoreable_gbbs): New.
7333         (graphite_transformations): Cleanup and add
7334         scop_remove_ignoreable_gbbs.
7335         * lambda.h (lambda_vector_compare): New.
7336
7337 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7338
7339         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7340         (graphite_swap_loops): int -> unsigned
7341         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7342         (graphite_transformations): New.
7343         (graphite_transform_loops): Move to graphite_transformations.
7344         * graphite.h (gbb_nb_loops): Return unsigned.
7345
7346 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7347
7348         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7349         the domain matrix.  This makes scop-0.c work again.
7350
7351 2008-06-20  Richard Guenther  <rguenther@suse.de>
7352
7353         * graphite.h: Adjust copyright to GPLv3.
7354         * graphite.c: Likewise.
7355         (stmt_simple_memref_for_scop_p): Split out from ...
7356         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7357         and simplify.
7358         (get_bb_type): Optimize.
7359         (is_pred): Remove.
7360         (is_bb_addable): Fix memleak, replace is_pred call with
7361         single_pred.
7362         (build_scops): Use current_loops.
7363         (param_index): Fix memleak.
7364
7365 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7366
7367         * graphite.c: Fix formatting.
7368
7369 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7370
7371         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7372         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7373         (create_var_name, save_var_name): Newly defined functions.
7374         (initialize_cloog_names): Part of the code factored out to
7375         save_var_name.
7376         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7377         in clast_reduction statement.
7378         (graphite_create_new_loop): Now takes a new parameter
7379         for outer_loop.
7380         (translate_clast): Now also takes the context_loop and bb_exit
7381         parameters. Rewritten the code so that it creates a gimple code
7382         inside the given context.
7383         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7384         remove_cond_expr, disconnect_cond_expr,
7385         disconnect_virtual_phi_nodes): Newly defined functions.
7386         * graphite.h (struct scop): added old_ivs vector.
7387         SCOP_OLDIVS: New macro.
7388
7389 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7390
7391         * cfgloopmanip.c: Add missing function comments, fix formatting.
7392
7393 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7394
7395         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7396         (create_empty_loop_on_edge): Defined.
7397         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7398         instead of void.
7399         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7400         (update_dominators_in_loop): Declared as extern
7401         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7402
7403 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7404
7405         * graphite.c (print_graphite_bb): Allow changing number of loops
7406         in SCoP domain.
7407         (initialize_cloog_names): Allow changing number of loops.
7408         (build_cloog_prog): Simplify.
7409         (find_transform): Enable cloog option --strides.
7410         (graphite_swap_loops): New.
7411         (graphite_strip_mine_loop): New.
7412         (graphite_trans_swap_1and2): New.
7413         (graphite_trans_strip): New.
7414         (graphite_transform_loops): Add graphite_trans_strip.
7415         * graphite.h (scop_max_loop_depth): New.
7416
7417 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7418
7419         * graphite.c (build_scop_iteration_domain): Remove forgotten
7420         line. (Fixes compile)
7421
7422 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7423
7424         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7425         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7426         (build_bb_loops): New.
7427         (graphite_transform_loops): Add build_bb_loops.
7428         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7429         numbers.
7430         * graphite.h (graphite_bb): Add loops.
7431         (gbb_nb_loops): New.
7432         (gbb_loop_at_index): New.
7433         (gbb_loop_index): New.
7434         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7435         using nb_params_in_scop.
7436
7437 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7438
7439         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7440         (build_scop_canonical_schedules): Build minimized schedule.
7441         (schedule_to_scattering): Adapt to minimized schedule.
7442         * graphite.h (graphite_bb): Add/Update descriptions.
7443
7444 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7445             Tobias Grosser  <grosser@fim.uni-passau.de>
7446
7447         * graphite.c (print_graphite_bb): Add condition printing.
7448         (dump_value): New.
7449         (dump_gbb_conditions): New.
7450         (build_scop_conditions_1): New.
7451         (build_scop_conditions): New.
7452         * graphite.h (graphite_bb): Add conditions.
7453
7454 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7455
7456         * graphite.c (print_graphite_bb):
7457         (free_graphite_bb): New.
7458         (free_scop): Free bbs.
7459         (get_bb_type): Free doms.
7460         (build_scop_context): Free context matrix.
7461         (build_loop_iteration_domains): Remove unused code.
7462         (build_cloog_prog): Free scattering function and blocklist.
7463         (find_transform): Free options.
7464
7465 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7466
7467         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7468         Remove unnecessery cloog data structures. Make a copy of the domain
7469         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7470         unnecessary cloog data structures. Fix memory leaks. Remove insert
7471         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7472         used.
7473         (build_scop_iteration_domain): Remove unnecessary cloog
7474         data structures.  Fix memory leaks.
7475         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7476         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7477
7478 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7479
7480         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7481
7482 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7483
7484         * graphite.c (end_scop): Style fix.
7485         (schedule_to_scattering): Style and comment fix.
7486
7487 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7488         * graphite.c (print_graphite_bb): Fix definiton of
7489         schedule_to_scattering.
7490         (initialize_cloog_names): Change nb_scattdims to max loop
7491         depth in SCoP.
7492         (schedule_to_scattering): Take parameter for number of scattering
7493         dimensions.
7494         (build_cloog_prog): Only build as much scattering dimensions as
7495         necessary.
7496
7497 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7498
7499         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7500         in polyhedron/aermod.f90.
7501
7502 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7503             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7504             Harsha Jagasia  <harsha.jagasia@amd.com>
7505
7506         * graphite.c (is_bb_addable): Fix segfault.
7507
7508 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7509
7510         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7511         with multiple exits and conditional handling in edge cases.
7512         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7513
7514         * gcc.dg/graphite/scop-14.c: New.
7515
7516 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7517             Adrien Eliche  <aeliche@isty.uvsq.fr>
7518
7519         * graphite.c (is_bb_addable): Add more comments and enhance
7520         readablity of the source code. Fix memory leak.
7521         (is_loop_exit): Fix memory leak.
7522
7523 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7524
7525         * graphite.c (first_loop_in_scop): Deleted.
7526         (setup_cloog_loop): Only walk the loop chain for inner loops.
7527         (build_scop_iteration_domain): Execute setup_cloog_loop for
7528         all loops in the first layer.
7529
7530 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7531
7532         * graphite.c (scan_tree_for_params): Change the way params are
7533         added to be indepenent of the number of loops.
7534         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7535         handling.
7536         (build_cloog_prog): Revert to short matrix format.
7537
7538 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7539             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7540
7541         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7542         warning.
7543
7544 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7545
7546         * graphite.c (nb_data_refs_in_scop): New.
7547         (graphite_transform_loops): Print more stats: number of
7548         loops, basic blocks and data references per scop.
7549
7550 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7551             Jan Sjodin  <jan.sjodin@amd.com>
7552
7553         * graphite.c (loop_affine_expr, idx_record_params,
7554         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7555         instead of instantiate_parameters.
7556
7557 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7558
7559         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7560         add support for parameters, add STATIC_SCHEDULE at the right places,
7561         cleanup.
7562
7563 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7564
7565         * graphite.c (build_scop_loop_nests): Only add the loops, that
7566         are contained completely in the SCoP.
7567         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7568         and the domains are fixed.
7569         (build_scop_canonical_schedules): Add support for bbs not contained
7570         in any SCoP.
7571
7572 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7573
7574         * graphite.h (scop_contains_loop): Update comments to match
7575         the actual behavior.
7576         (scop_contains_loop): New.
7577         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7578
7579 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7580
7581         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7582         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7583         as GBB_COND_HEADER.
7584
7585 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7586             Tobias Grosser  <grosser@fim.uni-passau.de>
7587
7588         * graphite.c (graphite_transform_loops): Early return when
7589         there are no loops in the function.
7590
7591 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7592             Jan Sjodin  <jan.sjodin@amd.com>
7593
7594         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7595         offset of the last loop.
7596         (setup_cloog_loop): Copy the entire outer constraint matrix.
7597
7598 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7599             Jan Sjodin  <jan.sjodin@amd.com>
7600
7601         * graphite.c (stmt_in_scop_p, function_parameter_p,
7602         invariant_in_scop_p): Removed.
7603         (scan_tree_for_params): Can be used with no constraint
7604         matrix for gathering parameters.
7605         (idx_record_params): Don't use idx_record_param, instead use
7606         scan_tree_for_params.
7607         (find_scop_parameters): Same.
7608         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7609         Fix the size of loop domains.
7610         (schedule_to_scattering): Exit when the outer loop is not in scop.
7611         (find_transform): Enable build_cloog_prog.
7612
7613 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7614             Jan Sjodin  <jan.sjodin@amd.com>
7615
7616         * graphite.c (schedule_to_scattering): Make scattering domains
7617         uniformly of the same size, as required by CLooG 0.14.0 and before.
7618
7619 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7620             Jan Sjodin  <jan.sjodin@amd.com>
7621
7622         * graphite.c (schedule_to_scattering): Rewrite, correct the
7623         translation of the scheduling function to scattering.
7624         (build_cloog_prog): Call schedule_to_scattering only once.
7625         * graphite.h (scop_loop_index): Do not fail for loops not
7626         in the scop: return -1.
7627
7628 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7629
7630         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7631         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7632         (setup_cloog_loop): Export GBB_DOMAIN.
7633         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7634         able to rebuild the original control flow.
7635         * graphite.h (graphite_bb): Add domain field and access macro.
7636         (GBB_DOMAIN): New.
7637
7638 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7639
7640         * graphite.c (debug_gbb): New.
7641         (print_scop, build_graphite_bb): Use SCOP_BBS.
7642         (build_scop_bbs): Reimplemented.
7643         (dfs_bb_in_scop_p): Removed.
7644         (build_scop_loop_nests): Reorder loops inserted in
7645         SCOP_LOOP_NEST: outer loops should come first.
7646         (build_scop_canonical_schedules): Reinitialize at zero
7647         the components of the SCOP_STATIC_SCHEDULE for the loops
7648         that have already been parsed.
7649
7650         * graphite.h (debug_gbb): Declared.
7651
7652 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7653             Jan Sjodin  <jan.sjodin@amd.com>
7654
7655         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7656         (graphite_loop_to_gcc_loop): Removed.
7657         (remove_all_edges): New.
7658         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7659         (gloog): Remove useless code.
7660
7661 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7662
7663         * graphite.c (get_bb_type): Reworked. We distinguish between
7664         loops with one or multiple exits.
7665         (is_loop_exit): New.
7666         (is_pred): New.
7667         (is_bb_addable): Rework condition handling, now support for case
7668         case statements and loops with multiple exits.
7669
7670         * gcc.dg/graphite/scop-11.c: New.
7671         * gcc.dg/graphite/scop-12.c: New.
7672         * gcc.dg/graphite/scop-13.c: New.
7673
7674 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7675
7676         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7677         we have too many colors.
7678
7679 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7680
7681         * doc/invoke.texi (-ftree-loop-fusion): Document.
7682         * tree-pass.h (pass_loop_fusion): Declared.
7683         * tree-loop-fusion.c: New.
7684         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7685         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7686         * tree-data-ref.h (find_data_references_in_loop): Declared.
7687         * common.opt (ftree-loop-fusion): Declared.
7688         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7689
7690 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7691
7692         * graphite.c (build_access_matrix): Fix typo from the merge.
7693
7694 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7695
7696         * Merge from mainline (130800:135673).
7697
7698 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7699
7700         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7701         Update dominators after splitting.
7702
7703 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7704
7705         * graphite.c (is_bb_addable): Return the harmful statement.
7706         Factor up some code.
7707         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7708         (build_scops_1): Call end_scop.
7709
7710 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7711
7712         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7713         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7714         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7715         build_scops_1): Removed.
7716         (build_scops_2): Renamed build_scops_1.
7717
7718 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7719
7720         * graphite.c: Fix formatting.
7721
7722 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7723
7724         * graphite.c (get_bb_type): New.
7725         (move_scops): New.
7726         (build_scops_2): New.
7727         (is_bb_addable): New.
7728         (build_scops): Switch the scop detection.
7729         (build_scop_bbs): Add entry bb to scop.
7730         * graphite.h (struct scop): Update comment.
7731
7732 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7733
7734         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7735         more colors.
7736
7737 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7738
7739         * gcc.dg/graphite/scop-1.c: Update.
7740         * gcc.dg/graphite/scop-2.c: Update.
7741         * gcc.dg/graphite/scop-4.c: Update.
7742         * gcc.dg/graphite/scop-5.c: Add.
7743         * gcc.dg/graphite/scop-6.c: Add.
7744
7745 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7746
7747         * gcc.dg/graphite/scop-0.c: Add.
7748         * gcc.dg/graphite/scop-7.c: Add.
7749         * gcc.dg/graphite/scop-8.c: Add.
7750         * gcc.dg/graphite/scop-9.c: Add.
7751         * gcc.dg/graphite/scop-10.c: Add.
7752
7753 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7754
7755         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7756         Check affine expressions depending on the outermost loop
7757         instead of a scop.
7758         (stmt_simple_for_scop_p): Same.
7759         (harmfule_stmt_in_scop): Same.
7760
7761 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7762
7763         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7764         mark entry and exit, that are not part of the SCoP and update HTML
7765         formatting.
7766
7767 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7768
7769         * graphite.c (basic_block_simple_for_scop_p): Renamed
7770         harmful_stmt_in_bb.
7771         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7772         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7773         (all_preds_visited_p, all_succs_visited_p,
7774         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7775         scop_end_loop): New.
7776         (build_scops): Do not use dfs_enumerate_from.
7777
7778         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7779
7780 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7781
7782         * graphite.c: Add comments to functions that are missing a
7783         description.
7784         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7785
7786 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7787
7788         * graphite.c (nb_params_in_scop): Moved...
7789         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7790         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7791         (clast_to_gcc_expression): Reduce column size to less than 80.
7792         (graphite_create_iv): Return the new name of the IV.
7793         (find_transform): Set options->esp and options->cpp.
7794         (gloog): Comment out the invalidation of the old loop code.
7795         (initialize_dependence_polyhedron): Replace scop_nb_params with
7796         nb_params_in_scop.
7797
7798         * graphite.h (nb_params_in_scop): ... here.
7799         (scop_nb_params): Removed.
7800         (loop_domain_dim): Return something even when the loop was not
7801         found in the hash table: avoid ICEing on all the graphite.exp
7802         testcases.
7803
7804 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7805
7806         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7807
7808         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7809         according to nesting level.
7810         (find_scop_parameters): Call instantiate_parameters.
7811         (scan_tree_for_params): Extend it to handle general affine bounds.
7812         Inner loop bound can depend on outer loop induction variable.
7813         (setup_cloog_loop): tmp variable is allocated on stack. Call
7814         instantiate_parameters with respect to outermost_loop_in_scop.
7815         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7816         graphite.h.
7817         (create_empty_loop): Function loopify should be given edge
7818         probability, instead of edge frequency. Dominance relation from
7819         switch_bb to loop_header.
7820         (clast_to_gcc_expression): Added handling of clast_reduction node.
7821         (gloog): New functionality for removing old loop.
7822         (test_dependence): Factored out from build_rdg_all_levels.
7823         (build_rdg_all_levels): Dependence testing factored out to
7824         test_dependence function.
7825
7826         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7827         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7828         from graphite.c
7829
7830 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7831
7832         * graphite.c (free_scop, param_index, initialize_cloog_names,
7833         nb_params_in_scop): Use name_tree map instead of just a tree
7834         for keeping track of the variable name associated to that tree.
7835         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7836         clast_to_gcc_expression, graphite_create_iv,
7837         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7838         graphite_stmt_to_gcc_stmt): New.
7839         (gloog): Call these.
7840         * graphite.h (struct name_tree): New.
7841         (struct scop): Use name_tree instead of tree for params.
7842         Store a vector of name_tree for new_ivs.
7843         (SCOP_NEWIVS): New.
7844         (scop_nb_params): Use name_tree instead of tree.
7845
7846 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7847             Sebastian Pop  <sebastian.pop@amd.com>
7848
7849         * tree-bounds.c: New.
7850         * tree-bounds.h: New.
7851         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7852         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7853         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7854         flag_mudflap.
7855         * gcc.c: Same.
7856         * toplev.c: Same.
7857         * c-cppbuiltin.c: Same.
7858         * c-pragma.c: Same.
7859         * common.opt: Same.
7860         * varasm.c: Same.
7861         * tree-outof-ssa.c: Same.
7862         * c-common.c: Same.
7863         * Makefile.in: Same.
7864
7865 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7866             Sebastian Pop  <sebastian.pop@amd.com>
7867
7868         * tree-loop-distribution.c (remaining_stmts,
7869         upstream_mem_writes): Removed static variables.
7870         (copy_loop_before, create_bb_after_loop,
7871         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7872         rdg_build_components, rdg_build_partitions,
7873         dump_rdg_partitions): Extern.
7874         (generate_loops_for_partition, generate_code_for_partition): Do not
7875         return a bool.
7876         (already_processed_vertex_p, predecessor_has_mem_write,
7877         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7878         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7879         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7880         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7881         Pass remaining_stmts and upstream_mem_writes as parameters.
7882         (rdg_component): Moved...
7883         (build_rdg_partition_for_component): Do not aggregate components when
7884         flag_streamize_loops is set.
7885         (gen_sequential_loops): New.
7886         (ldist_gen): Call gen_sequential_loops.
7887
7888         * tree-pass.h (pass_loop_streamization): Declared.
7889
7890         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7891         basic blocks when loops structures exist.
7892
7893         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7894
7895         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7896
7897         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7898         eliminate_local_variables_stmt, eliminate_local_variables,
7899         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7900         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7901         of code delimited by two edges in the CFG.
7902         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7903         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7904         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7905         the case of parallelisation of reductions.
7906         (create_loop_fn): Extern.
7907         (create_omp_parallel_region): New.
7908
7909         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7910         dump_data_reference for printing dra and drb.
7911         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7912         RDGE_RELATION.
7913         (build_rdg): Don't call free_dependence_relations for the moment, as
7914         we attach dependence relations on each edge of the RDG.
7915         To be fixed later.
7916
7917         * tree-data-ref.h (rdg_component): ...here.
7918         (struct rdg_edge): New field ddr_p relation.
7919         (RDGE_RELATION): New.
7920         (create_bb_after_loop, copy_loop_before,
7921         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7922         rdg_build_partitions, dump_rdg_partitions,
7923         free_rdg_components): Declared.
7924
7925         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7926         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7927
7928         * tree-loop-streamization.c: New.
7929
7930         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7931         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7932
7933         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7934
7935         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7936
7937         * passes.c: Schedule pass_loop_streamization.
7938
7939 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7940
7941         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7942         update comment.
7943
7944 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7945
7946         * graphite.c (dot_all_scops): Update formatting.
7947         Bbs can now be part of more than one SCoP.
7948
7949 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7950
7951         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7952         malloc problems.
7953         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7954         * graphite.h (loop_to_cloog_loop): New.
7955
7956 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7957
7958         * graphite.c (loop_domain_dim, ref_nb_loops,
7959         loop_iteration_vector_dim): New.
7960         (build_access_matrix_with_af, build_access_matrix,
7961         initialize_dependence_polyhedron): Fixed for new matrix layout.
7962         No longer assume that all iteration domains are of the same
7963         dimensionality.
7964
7965 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7966
7967         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7968         defined in a loop at depth 0 is invariant.
7969         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7970         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7971         be called at loop depth 0.
7972
7973         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7974         a parameter.
7975         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7976         (down_open_scop): Removed.
7977         (loop_in_scop_p): Redefined.
7978         (scop_affine_expr): New argument: scop.
7979         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7980         a harmful statement ending a scop.
7981         (basic_block_simple_for_scop_p): New argument: scop.
7982         (get_loop_start): Removed.
7983         (new_scop): Initialize SCOP_LOOPS.
7984         (free_scop): Free SCOP_LOOPS.
7985         (succs_at_same_depth, preds_at_same_depth): New.
7986         (end_scop): Test the validity of a scop.
7987         (add_dominators_to_open_scops): New.
7988         (test_for_scop_bound): Call add_dominators_to_open_scops.
7989         Add cases for opening and closing multiple scops.
7990         (build_scops, build_scop_bbs): Iterate over basic blocks in
7991         depth first order.
7992         (build_graphite_bb): Pass scop directly.
7993         (dfs_bb_in_scop_p): New.
7994         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7995         several times.
7996         (nb_loops_around_gb): Use loop_in_scop_p.
7997         (schedule_to_scattering): Disabled for the moment the code computing
7998         the "textual order for outer loop".
7999
8000         * graphite.h (struct scop): New field loops.
8001         (SCOP_LOOPS): New.
8002         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8003
8004         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8005
8006 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8007             Sebastian Pop  <sebastian.pop@amd.com>
8008
8009         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8010         * common.opt (fstreamize-loops): New.
8011         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8012         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8013         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8014         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8015
8016 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8017
8018         * tree-data-ref.c (build_empty_rdg): New.
8019         (build_rdg): Use it.
8020         * tree-data-ref.h (build_empty_rdg): Declared.
8021         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8022         (find_vertex_for_stmt): Removed.
8023         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8024
8025 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8026
8027         * tree-loop-distribution.c (generate_builtin): After cancelling the
8028         loop tree, also delete basic blocks.
8029         (rdg_flag_uses): Stop recursion when a vertex has already been
8030         processed.
8031
8032 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8033
8034         * graphite.c (build_scop_alpha): Removed.
8035         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8036         and dump_dependence_graph to avoid compiler warnings.
8037
8038 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8039
8040         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8041         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8042         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8043         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8044         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8045         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8046         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8047         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8048         dump_dependence_graph): New.
8049         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8050         (GBB_ALPHA): New.
8051         (struct scop): New field loop2cloog_loop.
8052         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8053         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8054
8055 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8056
8057         * graphite.c (build_graphite_bb): Fix initialization
8058         of the graphite basic block.
8059
8060 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8061
8062         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8063         loop domain matrix.  Pass in the number of loops contained in the
8064         constraint matrix.
8065         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8066         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8067         loops that are not surrounding the current loop are not represented
8068         in the domain constraint matrix.
8069         (build_scop_iteration_domain): Initial domain constraint matrix
8070         contains only the eq/ineq, cst, and scop parameters columns.
8071
8072 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8073
8074         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8075         (print_graphite_bb): Print scattering.
8076
8077 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8078
8079         * graphite.c (initialize_cloog_names): Initialize names of
8080         scattering variables.
8081
8082 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8083
8084         * graphite.c (dot_all_scops_1): Disable debug output while
8085         printing graph.
8086
8087 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8088
8089         * graphite.c (find_transform): Change cloog output language to C.
8090
8091 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8092
8093         * tree-loop-distribution.c (generate_memset_zero,
8094         generate_builtin, generate_code_for_partition,
8095         rdg_flag_all_uses): New.
8096         (rdg_flag_uses): Gather in the same partition the statements defining
8097         the VUSES of the current statement.
8098         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8099         Gather in the same partition not only the stores to the same memory
8100         access, but also the reads.
8101         (ldist_generate_loops): Renamed ldist_gen.
8102
8103 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8104             Tobias Grosser  <grosser@fmi.uni-passau.de>
8105
8106         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8107         next pointer, don't use the inner pointer.
8108
8109 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8110
8111         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8112         (find_transform): Call dot_all_1.
8113         * graphite.h (dot_all_scops): Declared.
8114
8115 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8116
8117         * tree-loop-distribution.c: Fix apsi.f ICE.
8118         (create_bb_after_loop): New.
8119         (generate_loops_for_partition): Use it.
8120         * gfortran.dg/ldist-1.f90: New.
8121
8122         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8123         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8124
8125 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8126
8127         * graphite.c (find_transform): Dump cloog program sent to cloog.
8128
8129 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8130
8131         * graphite.c (initialize_cloog_names): Initialize cloog
8132         iterator names.
8133
8134 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8135
8136         * graphite.c (build_scop_context): Fix typo, for the matrix
8137         format: insert '0 >= 0' instead of '-1 >= 0'.
8138
8139 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8140
8141         * Fix merge problems.
8142
8143 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8144
8145         * graphite.c (setup_cloog_loop): Fix typo.
8146
8147 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8148
8149         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8150         * tree-loop-distribution.c: Reimplemented.
8151         * tree-pass.h (pass_loop_distribution): New.
8152         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8153         print_loops.
8154         * graphds.h (struct graph): New field indexes.
8155         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8156
8157         * tree-vect-analyze.c: Remove declaration of static functions when not
8158         needed.
8159         * tree-vectorizer.c: Same.
8160         (rename_variables_in_loop): Now extern.
8161         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8162         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8163         calling redirect_edge_and_branch_force.
8164
8165         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8166
8167         * tree-data-ref.c: Don't include tree-chrec.h.
8168         (debug_data_dependence_relations): New.
8169         (dump_data_dependence_relation): Call dump_data_reference on data refs
8170         in the relation.
8171         (same_access_functions): Moved...
8172         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8173         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8174         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8175         struct rdg_vertex_info, ): New.
8176         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8177         at DDR_REVERSED_P.
8178         (create_rdg_vertices): Initialize the htab of graph->indexes.
8179         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8180         (stmts_from_loop): Don't save LABEL_EXPR.
8181         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8182         hash_stmt_vertex_del): New.
8183         (build_rdg): Initialize rdg->indexes.
8184         (free_rdg, stores_from_loop, ref_base_address,
8185         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8186         have_similar_memory_accesses_1, ref_base_address_1,
8187         remove_similar_memory_refs): New.
8188
8189         * tree-data-ref.h: Include tree-chrec.h.
8190         (debug_data_dependence_relations): Declared.
8191         (same_access_functions): ...here.  Now static inline.
8192         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8193         ddr_dependence_level): New.
8194         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8195         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8196         RDG_MEM_READS_STMT): New.
8197         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8198         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8199         rdg_vertex_for_stmt): Declared.
8200         (struct rdg_edge): New field level.
8201         (RDGE_LEVEL, free_rdg): New.
8202         (stores_from_loop, remove_similar_memory_refs,
8203         rdg_defs_used_in_other_loops_p,
8204         have_similar_memory_accesses): Declared.
8205         (rdg_has_similar_memory_accesses): New.
8206
8207         * lambda.h (dependence_level): New.
8208         * common.opt (ftree-loop-distribution): New.
8209         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8210         (print_loop_ir): Renamed print_loops.
8211         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8212         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8213         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8214         (tree-loop-distribution.o): Added.
8215         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8216         (mark_virtual_ops_in_bb): New.
8217         (print_loops_bb, debug_loop_num, debug_loop): New.
8218         * passes.c: Scheduled pass_loop_distribution.
8219
8220 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8221
8222         * graphite.c (scan_tree_for_params): Correct the number of columns
8223         for polylib format.
8224         (nb_flat_iterator): New.
8225         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8226         (build_scop_iteration_domain): Correct the number of columns for
8227         polylib format.
8228
8229 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8230
8231         * Merge from mainline (129697:130800).
8232
8233 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8234
8235         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8236         dominated by SCoP's exit.
8237         (graphite_transform_loops): Compute post dominators.
8238
8239 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8240
8241         * Merge from mainline (127169:129697).
8242
8243 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8244
8245         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8246         parameter for the basic block that contains the expression.  Use
8247         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8248         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8249         the expression.
8250         * graphite.h (gbb_loop): New.
8251         (GBB_LOOP): Removed.
8252
8253 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8254
8255         * Makefile.in: Fix merge problem.
8256
8257 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8258
8259         * Merge from mainline (125309:127169).
8260         * tree-loop-distribution.c: Disabled.
8261
8262 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8263
8264         * Merge from mainline (r123693:125309).
8265
8266 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8267
8268         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8269         correct_modify_p
8270         (correct_modify_p, check_statements, number_of_lvalue_uses,
8271         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8272         instead of MODIFY_EXPR.
8273         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8274         and push new edges.
8275
8276 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8277
8278         * tree-loop-distribution.c (struct rdg): Replace arrays by
8279         VECs for edges and vertices.
8280         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8281         (RDGV_NB_PARTITIONS): New.
8282         (PRDG_NBV, PRDG_NBE): Removed.
8283         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8284         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8285         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8286
8287 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8288             Sebastian Pop  <sebpop@gmail.com>
8289
8290         * doc/invoke.texi (-ftree-loop-distribution): Document.
8291         * tree-loop-distribution.c: New file.
8292         * tree-pass.h (pass_loop_distribution): Declared.
8293         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8294         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8295         and set reversed_p.
8296         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8297         (DDR_REVERSED_P): New.
8298         * common.opt (-ftree-loop-distribution): New.
8299         * tree-flow.h (distribute_loops): Declared.
8300         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8301         * passes.c (init_optimization_passes): Schedule loop distribution.
8302
8303 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8304
8305         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8306         (print_scop): Don't print when scop is NULL.
8307         (build_scop_context, find_transform): Don't output to stderr.
8308
8309 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8310
8311         * tree-data-ref.c: Don't include graphite.h.
8312         Comment out the code for printing data reference's scop.
8313         (build_access_matrix_with_af): Moved...
8314         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8315         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8316         (print_graphite_bb): Print basic block's schedule.
8317         (print_scop): Don't print the schedule, call cloog's pretty printer.
8318         (bb_in_scop_p): A basic block is in a scop only if it is both
8319         dominated and postdominated by the scop's entry and exit basic blocks.
8320         (function_parameter_p): New.
8321         (invariant_in_scop_p): Use function_parameter_p.
8322         (new_scop, save_scop): New.
8323         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8324         save_scop.
8325         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8326         (loop_in_scop_p): New.
8327         (scop_record_loop): Use loop_in_scop_p.
8328         (build_scop_domain): Renamed build_scop_iteration_domain.
8329         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8330         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8331         setup_cloog_loop, dot_scop_1, dot_scop): New.
8332         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8333         (struct scop): Add a pointer to cloog's representation of a program.
8334
8335 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8336
8337         * doc/invoke.texi (-ftree-check-verbose): Renamed
8338         -ftree-checks-verbose.
8339         * common.opt (flag_tree_check_verbose): Renamed
8340         flag_tree_checks_verbose.
8341         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8342
8343 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8344
8345         * configure: Regenerated.
8346         * config.in: Regenerated.
8347         * tree-ssa-loop.c (graphite_transforms): Execute
8348         graphite_transform_loops only when HAVE_cloog.
8349         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8350         * graphite.c: Include polylibgmp.h and cloog.h.
8351         (graphite_transform_loops): Removed loops parameter.
8352         * tree-flow.h (graphite_transform_loops): Update declaration.
8353         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8354         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8355         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8356         (OBJS-common): Remove dependence on graphite.o.
8357         (BACKEND): Depend on @GRAPHITE@.
8358
8359 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8360
8361         * doc/invoke.texi (-ftree-check-verbose): Documented.
8362         * gcc.dg/tree-checker/tree-checks-1.c: New.
8363         * gcc.dg/tree-checker/tree-checks-2.c: New.
8364         * gcc.dg/tree-checker/tree-checks-3.c: New.
8365         * gcc.dg/tree-checker/tree-checks-4.c: New.
8366         * gcc.dg/tree-checker/tree-checks.exp: New.
8367         * gcc.dg/tree-checker/condates.crp: New.
8368         * common.opt (ftree-checks-verbose): New.
8369         * tree-check.c (tree_check_warning): Move extra stderr output
8370         under control of flag_tree_check_verbose.
8371
8372 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8373
8374         * tree-match.c: Fix comments formatting.
8375         * tree-match.h: Fix comments formatting.
8376         * tree-check.c: Fix comments formatting.
8377         (tree_check_init): Restructure.
8378
8379 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8380
8381         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8382
8383 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8384
8385         * Merge from mainline (r120733:123693).
8386
8387 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8388
8389         * condate.y: New file.
8390         * tree-match.h (struct patt_info_s): New field sign.
8391         (struct condate_s): New field msg.
8392         (normalize_condate, name_condate, add_condate): New.
8393         (conds[], condate_parse): Made extern.
8394         * tree-check.c (tree_check_warning): First arg changed to cond;
8395         warning reformatted.
8396         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8397         (tree_scan): New.
8398         (tree_check): Process trivial condates.
8399         (read_delimited_string): Removed.
8400         (print_cond): Print name and msg.
8401         (conds[]): Made extern.
8402         (parse_tree_check_file_once): Rewritten to use the parser in
8403         condate.y.
8404         Processing of option --tree_check_string moved to tree_scan().
8405         * Makefile.in: Added condate.y
8406
8407 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8408
8409         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8410         Use VECs instead of varrays.
8411         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8412         * Makefile.in (pretty-print.o): Depend on vec.h.
8413         * pretty-print.c: Include tree.h and vec.h.
8414         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8415         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8416         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8417         pp_free_list): Use VECs instead of varrays.
8418         * pretty-print.h: Do not include varray.h.
8419         (struct tree_chunk_s): Declaration moved before its use.
8420         (output_buffer): Rename varray field to chunks.
8421         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8422         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8423         save_global_holes): Use VECs instead of varrays.
8424         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8425         * tree-check.c (scan_cfg_stmts, push_node,
8426         print_matching_stmt): Removed.
8427         (tree_check_instance, push_global_holes_if_new, tree_check,
8428         execute_tree_check): Use VECs instead of varrays.
8429         (gate_tree_check): Don't execute the CFG check when basic_block_info
8430         is not available.
8431
8432 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8433
8434         * Merge from mainline (r115016:120733).
8435
8436 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8437
8438         * Merge from mainline (r117632:117661).
8439
8440 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8441
8442         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8443         * tree-pass.h (TDF_DEBUG, debug_p): New.
8444         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8445         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8446         get_loop_exit_condition, analyze_evolution_in_loop,
8447         analyze_initial_condition, analyze_scalar_evolution,
8448         instantiate_parameters, number_of_latch_executions): Use debug_p.
8449         * tree-chrec.c (chrec_apply): Use debug_p.
8450         * tree-data-ref.c: Include graphite.h.
8451         (dump_data_reference): Print also the access matrix.
8452         (analyze_array, analyze_indirect_ref, init_data_ref,
8453         analyze_offset_expr, address_analysis, object_analysis,
8454         create_data_ref, finalize_ddr_dependent,
8455         non_affine_dependence_relation, analyze_ziv_subscript,
8456         analyze_siv_subscript_cst_affine,
8457         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8458         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8459         analyze_miv_subscript, analyze_overlapping_iterations,
8460         build_classic_dist_vector, subscript_dependence_tester,
8461         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8462         (build_access_matrix_with_af): No longer static.
8463         * tree-data-ref.h (scop_p): ... declaration here.
8464         (data_reference.scop): New field.
8465         (DR_SCOP, DR_ACCESS_MATRIX): New.
8466         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8467         * graphite.c (print_graphite_bb): Call dump_data_references.
8468         (print_scop): Use scop_nb_loops and scop_dim_domain.
8469         (test_for_scop_bound): Use debug_p.
8470         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8471         scop_nb_params.
8472         (scop_loop_index): Moved...
8473         (scop_record_loop): New.
8474         (build_scop_loop_nests): Use scop_record_loop.
8475         (build_scop_domain): Use scop_dim_domain.
8476         (build_access_matrix): Implemented.
8477         (build_scop_canonical_schedules): Use scop_nb_loops.
8478         (build_graphite_bb): Initialize GBB_SCOP.
8479         * graphite.h (scop_p): Moved...
8480         (graphite_bb.scop): New field.
8481         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8482         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8483         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8484         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8485         scop_loop_index): New.
8486         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8487
8488 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8489
8490         * Merge from mainline (r117661:120450).
8491
8492 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8493
8494         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8495         at the first declaration outside the varying loop, instantiate as
8496         far as possible.
8497         * tree-chrec.c (for_each_scev_op): New.
8498         * tree-chrec.h (for_each_scev_op): Declared.
8499         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8500         * tree-data-ref.c (get_references_in_stmt,
8501         find_data_references_in_stmt): New, from trunk.
8502         (find_data_references_in_loop): Use get_references_in_stmt
8503         and find_data_references_in_loop, modified as in trunk.
8504         (build_access_matrix_with_af): New.
8505         * tree-data-ref.h (data_reference): Add a field access_matrix.
8506         (data_ref_loc): New, as in trunk.
8507         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8508         invariant_in_scop_p, param_index, scan_tree_for_params,
8509         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8510         idx_record_param, idx_record_params, build_access_matrix,
8511         build_scop_data_accesses, build_scop_canonical_schedules,
8512         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8513         build_scop_params): New.
8514         * graphite.h (graphite_bb): New.
8515         (scop): Add fields static_schedule, params, loop_nest,
8516         iteration_domain.
8517         * lambda.h: Declare vecs of lambda_matrix.
8518         * tree-flow.h (print_loop_ir_bb): Declared.
8519         * tree-cfg.c (print_loop_ir_bb): New.
8520         (print_loop): Use print_loop_ir_bb.
8521
8522 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8523
8524         * Merge from mainline (r115016:117632).
8525
8526 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8527
8528         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8529         break due to a warning.
8530
8531 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8532
8533         * graphite.c (print_scops, debug_scops): New.
8534         (graphite_transform): Renamed graphite_find_transform.
8535         * graphite.h (debug_scops): Declared.
8536
8537 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8538
8539         * tree-match.c: Reformat following the GNU style.
8540         * tree-match.h: Reformat following the GNU style.
8541         * tree-pattern.h: Removed empty file.
8542         * Makefile.in: Remove references to tree-pattern.h.
8543         * tree-check.c: Reformat following the GNU style.
8544         (execute_tree_check): Move gate condition code to...
8545         (gate_tree_check): ...here.  New function.
8546         (pass_check): Use the gate function.
8547
8548 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8549
8550         * tree-pattern.h: New. Tree pattern matching and checking using
8551         concrete syntax.
8552         * tree-check.c: New. Tree/CFG checking pass.
8553         * tree-match.c: New. Library for tree pattern matching.
8554         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8555         * toplev.c, flags.h: Add globals for tree-check pass.
8556         * Makefile.in: Integrate the files in tree-check pass.
8557         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8558         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8559         Introduce a "lazy" pretty-print mode.
8560         * tree.c, tree.h: Add tree_name.
8561
8562 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8563
8564         * doc/invoke.texi (-fgraphite): Correct typo.
8565         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8566         use of print_loop_ir.
8567         * gcc.dg/graphite/scop-1.c: New.
8568         * gcc.dg/graphite/scop-2.c: New.
8569         * gcc.dg/graphite/graphite.exp: New.
8570         * graphite.c: Include domwalk.h.
8571         (print_scop): Print only the entry and exit blocks.
8572         (debug_scop): No longer static.
8573         (affine_expr): Fix formating.  Return also true when the expression is
8574         constant.
8575         (stmt_simple_for_scop_p): Fix formating.
8576         (build_scops): Use domwalk.
8577         (get_loop_start, end_scop, test_for_scop_bound): New.
8578         (graphite_transform_loops): Avoid printing on stderr.
8579         * graphite.h (debug_scop): Declared.
8580         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8581         * Makefile.in (graphite.o): Depend on domwalk.h.
8582         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8583         declarations for static functions.
8584         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8585         controlling output verbosity.
8586
8587 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8588             Plesco Alexandru  <shurikx@gmail.com>
8589
8590         * doc/invoke.texi (-fgraphite): Document.
8591         * tree-pass.h (pass_graphite_transforms): Declared.
8592         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8593         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8594         (pass_graphite_transforms): Defined.
8595         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8596         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8597         * graphite.c, graphite.h: New.
8598         * common.opt (fgraphite): Declared.
8599         * tree-flow.h (graphite_transform_loops): Declared.
8600         * Makefile.in (OBJS-common): Add graphite.o.
8601         (graphite.o): New rule.
8602         * passes.c (pass_graphite_transforms): Scheduled.
8603