gcc/ChangeLog.graphite

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