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1 2010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
3         * graphite-cloog-compat.h (cloog_names_nb_scattering): New.
4         (cloog_names_scattering): New.
5         * graphite-opencl-codegen.c (opencl_constant_expression_p): Use
6         clast_expr_* instead of expr_*.  Call clast_name_to_str.
7         (opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
8         (opencl_get_scat_real_name): Same.  Call clast_name_to_str.
9         (opencl_add_scat_as_arg): Same.
10         (opencl_print_local_vars): Call cloog_names_scattering and
11         cloog_names_nb_scattering.
12         (opencl_print_for): Do not call value_*.
13         (opencl_print_term): Same.
14         (opencl_print_expr): Use clast_expr_* instead of expr_*.
15         (opencl_print_sum): Same.
16         (opencl_print_binary): Same.
18 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
20         * Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
21         graphite-opencl-meta-clast.o and graphite-opencl.o.
22         (graphite-opencl-codegen.o): New.
23         (graphite-opencl-meta-clast.o): New.
24         (graphite-opencl.o): New.
25         (GTFILES): Add graphite-opencl.c.
26         * common.opt (fgraphite-opencl): New.
27         (fgraphite-opencl-cpu): New.
28         (fgraphite-opencl-ignore-depth-heuristic): New.
29         (fgraphite-opencl-ignore-mem-heuristic): New.
30         (fgraphite-opencl-ignore-dep): New.
31         (fgraphite-opencl-ignore-types): New.
32         (fgraphite-opencl-depth-base): New.
33         (fgraphite-opencl-debug): New.
34         * graphite-opencl-codegen.c: New file.
35         * graphite-opencl-meta-clast.c: New file.
36         * graphite-opencl.c: New file.
37         * graphite-opencl.h: New file.
38         * graphite.c (graphite_transform_loops): Call graphite_opencl_init and
39         graphite_opencl_finalize.
40         * tree-ssa-loop.c (gate_graphite_transforms): Handle
41         flag_graphite_opencl.
42         * graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
43         * dbgcnt.def (opencl_scop_cnt): New counter.
45 2010-12-25  Alexander Monakov  <amonakov@ispras.ru>
47         * graphite-dependences.c (graphite_outer_subscript_bound): New.
48         (graphite_carried_dependence_level_k): Export.
49         * graphite-dependences.h (graphite_outer_subscript_bound): Declare.
50         (graphite_carried_dependence_level_k): Ditto.
52 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
54         * graphite-clast-to-gimple.c (struct clast_name_index): Move
55         definition to graphite-clast-to-gimple.h.
56         (clast_name_to_index): Ditto.
57         (clast_name_index_elt_info): Ditto.
58         (eq_clast_name_indexes): Ditto.
59         (save_clast_name_index): Export.
60         (clast_name_to_gcc): Ditto.
61         (clast_to_gcc_expression): Ditto.
62         (gcc_type_for_clast_expr): Ditto.
63         (graphite_create_new_guard): Ditto.
64         (gcc_type_for_iv_of_clast_loop): Ditto.
65         (graphite_create_new_loop): Ditto.
66         (build_iv_mapping): Ditto.
67         (graphite_create_new_loop_guard): Ditto.
68         (debug_clast_name_index): New.
69         (debug_clast_name_indices): New debug function.
71 2010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
73         PR tree-optimization/47021
74         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
76 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
78         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
79         unused warning.
80         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
82 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
84         * graphite-sese-to-poly.c (analyze_drs): Removed.
85         (build_scop_drs): Do not call analyze_drs.
86         (analyze_drs_in_stmts): New.
87         (insert_stmts): New.
88         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
89         (insert_out_of_ssa_copy_on_edge): Same.
90         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
91         (rewrite_phi_out_of_ssa): Same.
92         (rewrite_cross_bb_scalar_dependence): Same.
93         (split_reduction_stmt): Move data references in the new basic blocks.
94         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
96 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
98         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
100 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
102         PR middle-end/45297
103         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
104         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
105         * graphite-poly.h (new_poly_bb): Update declaration.
106         (gbb_from_bb): Moved here...
107         (pbb_from_bb): New.
108         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
109         Removed.
110         (graphite_stmt_p): Removed.
111         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
112         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
113         new_poly_bb.
114         (build_scop_bbs_1): Do not pass in sbitmap reductions.
115         (build_scop_bbs): Same.
116         (gbb_from_bb): ... from here.
117         (add_conditions_to_constraints): Moved up.
118         (analyze_drs): New.
119         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
120         not contain data references.
121         (new_pbb_from_pbb): New.
122         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
123         block is split.
124         (rewrite_close_phi_out_of_ssa): Update call to
125         insert_out_of_ssa_copy_on_edge.
126         (rewrite_reductions_out_of_ssa): Now static.
127         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
128         (split_pbb): New.
129         (split_reduction_stmt): Call split_pbb.
130         (translate_scalar_reduction_to_array): Pass in the scop, do not
131         pass in the sbitmap reductions.
132         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
133         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
134         (rewrite_commutative_reductions_out_of_ssa): Same.
135         (build_poly_scop): Call build_scop_bbs,
136         rewrite_commutative_reductions_out_of_ssa,
137         rewrite_reductions_out_of_ssa, and
138         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
139         before scop_to_lst.
140         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
141         Removed declaration.
142         (rewrite_reductions_out_of_ssa): Same.
143         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
144         (build_scop_bbs): Same.
145         * graphite.c (graphite_transform_loops): Do not initialize reductions.
146         Do not call build_scop_bbs,
147         rewrite_commutative_reductions_out_of_ssa,
148         rewrite_reductions_out_of_ssa, and
149         rewrite_cross_bb_scalar_deps_out_of_ssa.
150         * sese.h (struct gimple_bb): Add field pbb.
151         (GBB_PBB): New.
153         * gcc.dg/graphite/pr45297.c: New.
155 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
157         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
158         New.
159         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
160         handle_scalar_deps_crossing_scop_limits.
161         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
162         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
164 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
166         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
167         when replacing a constant in an ADDR_EXPR.
169 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
171         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
172         for the stride.
173         (lst_do_strip_mine): Same.
174         (scop_do_strip_mine): Same.
175         * graphite-poly.c (apply_poly_transforms): Update call to
176         scop_do_strip_mine.
177         * graphite-poly.h (scop_do_strip_mine): Update declaration.
179 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
181         PR middle-end/45758
182         * graphite.c (graphite_initialize): Call scev_reset.
184 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
186         * sese.h (scev_analyzable_p): Return false for real or floating
187         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
189 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
191         PR middle-end/45758
192         * gfortran.dg/graphite/pr45758.f90: New.
194 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
196         * graphite-scop-detection.c (is_scop_p): Free bblist.
198 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
200         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
201         and ps.
202         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
203         domain.
204         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
205         Do not allocate ub_expr, it is passed in initialized.
207 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
209         * common.opt (fgraphite-dump-cloog): New flag.
210         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
211         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
212         (build_cloog_prog): Dump CLooG input file when
213         flag_graphite_dump_cloog is set.
214         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
216 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
218         Revert previous patch "New flag: -fgraphite-dump-cloog."
220 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
222         * common.opt (fgraphite-dump-cloog): New flag.
223         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
224         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
225         (build_cloog_prog): Dump CLooG input file when
226         flag_graphite_dump_cloog is set.
228 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
230         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
231         verify_dominators for CDI_POST_DOMINATORS.
232         * sese.h: Remove comment about CDI_POST_DOMINATORS.
233         (recompute_all_dominators): Remove call to free_dominance_info
234         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
235         for CDI_POST_DOMINATORS.
237 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
239         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
240         over pbb_dim_iter_domain.
242 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
244         * graphite-flattening.c: Fix comments.
246 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
248         * Makefile.in (OBJS-common): Add graphite-flattening.o.
249         (graphite-flattening.o): New rule.
250         * common.opt (floop-flatten): New flag.
251         * doc/invoke.texi (-floop-flatten): Documented.
252         * graphite-flattening.c: New.
253         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
254         * graphite-poly.h (flatten_all_loops): Declared.
255         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
256         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
257         is set, also set flag_graphite.
259 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
261         * graphite-poly.c (cloog_checksum): New.
262         * graphite-poly.h (cloog_checksum): Declared.
264 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
266         * graphite-poly.c (pbb_number_of_iterations): Removed.
267         (pbb_number_of_iterations_at_time): Correctly compute the number
268         of iterations in the transformed loop.
269         * graphite-poly.h (pbb_number_of_iterations): Removed.
271 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
273         * graphite-poly.h (lst_update_scattering_seq): Removed.
274         (lst_update_scattering): Correctly handle outermost loop dewey
275         renumbering.
277 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
279         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
280         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
281         * graphite-poly.h (lst_niter_for_loop): New.
283 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
285         * graphite-poly.c (apply_poly_transforms): Do not abort when the
286         transform read from disk is not legal.  Call fatal_error instead.
288 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
290         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
291         (print_scop_header): Removed.  Inlined in the only call place...
292         (print_scop): ... here.
294 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
296         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
298 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
300         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
301         (is_valid_stmt_p): Add data reference and operation-specific checks.
302         (is_valid_bb_p): Change structure, add loop validity check.
303         (is_scop_p): Move the TODO list
304         (find_scops_new): New.
305         (build_scops_new): Move part of functionality to find_scops_new and
306         build_scops.  Add necessary steps for successful SCoP construction.
307         (build_scops): Compute SCoP sets for both detection algorithms, choose
308         the resulting one depending on static condition.
310 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
312         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
314 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
316         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
317         (dot_deps_stmt): Same.
318         * graphite-poly.c (dot_lst): Same.
320 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
322         * graphite-blocking.c (scop_do_strip_mine): Do not call
323         graphite_legal_transform.
324         (scop_do_block): Same.
326 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
328         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
329         description.
331 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
333         PR middle-end/45230
334         * gcc.dg/graphite/id-pr45230.c: New.
336 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
338         * tree-scalar-evolution.c (instantiate_array_ref): New.
339         (instantiate_scev_r): Also handle ARRAY_REFs.
341 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
343         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
344         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
345         RESULT_DECL, and FIELD_DECL.  Return false for an
346         SSA_NAME_IS_DEFAULT_DEF.
347         (compute_scalar_evolution_in_loop): Do not further analyze the
348         scalar evolution when no_evolution_in_loop_p returns true.
350 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
352         * tree-chrec.h (evolution_function_is_affine_p): Do not check
353         whether CHREC_LEFT is invariant.  A function is affine when
354         CHREC_RIGHT is invariant.
356 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
358         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
359         is_gimple_reg.
360         (rewrite_degenerate_phi): Same.
361         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
363 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
365         * graphite-scop-detection.c (graphite_can_represent_scev,
366         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
367         graphite_can_represent_loop): Remove outermost_loop.
369 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
371         PR middle-end/45229
372         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
373         handle GIMPLE_CALLs with no LHS.
375 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
376             Sebastian Pop  <sebastian.pop@amd.com>
378         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
379         Call remove-build-file to clean up the generated *.graphite files.
381 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
383         * doc/invoke.texi (debugging options): Update documentation.
384         (-floop-interchange): Same.
385         (-flopp-strip-mine): Same.
386         (-floop-block): Same.
387         (-fgraphite-read): Add documentation.
388         (-fgraphite-write): Same.
390 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
392         * toplev.c (process_options): Disable graphite loop optimization
393         options when -fgraphite-read flag is used.
395 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
397         * graphite-poly.c (init_graphite_out_file): New.
398         (init_graphite_in_file): New.
399         (apply_poly_transforms): Updated to enable reading and writing of
400         multiple scop files.
401         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
403 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
405         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
406         redundant checks.
408 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
410         * graphite-clast-to-gimple.c (precision_for_value): Adjust
411         computation of precision by 1.
413 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
415         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
416         (openscop_read_polyhedron_matrix): New.
417         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
418         (openscop_read_N_int): Same.
419         * graphite-poly.c (openscop_read_N_int): New.
420         (openscop_read_one_int): New.
421         (openscop_read_N_string): New.
422         (openscop_read_one_string): New.
423         (openscop_read_powerset_matrix): New.
424         (graphite_read_transforms): Remove.
425         (graphite_read_scatt): New.
426         (graphite_read_scop_file): New.
427         (apply_poly_transforms): Updated to call graphite_read_scop_file.
429 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
431         * graphite-poly.c: Change include order.
433 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
435         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
436         (cloog_matrix_nrows): New.
438 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
440         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
441         from matrix lines.
442         * graphite-poly.c (openscop_print_scattering_function_1): Same.
443         (print_scattering_function_1): Same.
444         (openscop_print_pbb_domain): Same.
445         (openscop_print_scop_context): Same.
446         (print_scop_context): Same.
448 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
450         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
451         (openscop_print_pdr_polyhedron): Print pph.
453 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
455         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
456         * gfortran.dg/graphite/graphite.exp: Same.
457         * gcc.dg/graphite/vect-pr43423.c: New.
459 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
461         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
462         priority signed types.
464 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
466         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
467         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
469 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
471         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
472         (openscop_print_polyhedron_matrix): New.
473         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
474         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
475         (openscop_print_pdr_powerset): New.
476         (openscop_print_powerset_matrix): New.
477         (openscop_print_scattering_function_1): New.
478         (print_scattering_function): Add support for scattering names and
479         OpenScop format.
480         (graphite_write_transforms): Remove.
481         (apply_poly_transforms): Updated to call print_scop.
482         (print_pdr_access_layout): Updated to support OpenScop format.
483         (print_pdr): Same.
484         (openscop_print_pbb_domain): New.
485         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
486         not provided.
487         (print_pbb): Updated to call the new print_pbb_body.
488         (openscop_print_scop_context): New.
489         (print_scop_header): New.
490         (print_scop): Updated to call print_scop_header.
491         * graphite-poly.h: Document OpenScop format.
493 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
495         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
496         the case removed in the previous patch, when the only phi argument
497         is defined in the same loop as the phi node itself.  Handle it
498         separately from the invariant case by both propagating it outside
499         the region and replacing the phi node with an assign.
501 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
503         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
504         constant phi nodes with one argument are is_gimple_min_invariant
505         and SSA_NAME_IS_DEFAULT_DEF.
507         * gfortran.dg/graphite/id-22.f: New.
509 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
511         * graphite.c (graphite_initialize): Do not initialize
512         CLooG and initialize the Parma Polyhedra Library
513         manually when using CLOOG_ORG.
514         (graphite_finalize): Do not finalize CLooG and finalize
515         the Parma Polyhedra Library manually when using CLOOG_ORG.
516         * graphite-cloog-compat.h (cloog_initialize): Hide function
517         when using CLOOG_ORG.
518         (cloog_finalize): Same.
520 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
522         * graphite-clast-to-gimple.c (free_scattering): Change
523         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
524         (CLOOG_ORG).
525         (build_cloog_prog): Same.
526         * graphite-cloog-compat.h (cloog_domain): Removed.
527         (cloog_scattering): New.
528         (cloog_set_domain): Removed.
529         (cloog_set_scattering): New.
530         (cloog_next_domain): Removed.
531         (cloog_next_scattering): New.
532         (cloog_set_next_domain): Removed.
533         (cloog_set_next_scattering): New.
534         (CloogScatteringList): New.
535         (CloogScattering): New.
536         (cloog_scattering_free): New.
537         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
538         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
539         New.
541 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
543         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
544         CloogState.
545         (set_cloog_options): Same.
546         (print_clast_stmt): Same.
547         (scop_to_clast): Same.
548         (print_generated_program): Same.
549         (gloog): Same.
550         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
551         (scop_to_clast): Extend with CloogState.
552         * graphite-cloog-util.c: Include graphite-cloog-compat.h
553         (new_Cloog_Domain_from_ppl_Polyhedron):
554         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
555         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
556         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
557         * graphite-cloog-util.h (build_cloog_prog): Same.
558         * graphite-cloog-copat.h (build_cloog_prog): New.
559         (CloogState): New.
560         (cloog_state_malloc): New.
561         (cloog_state_free): New.
562         (cloog_loop_malloc): New.
563         (cloog_options_malloc): New.
564         (cloog_statement_alloc): New.
565         (cloog_domain_from_cloog_matrix): New.
566         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
567         (new_Cloog_Domain_from_ppl_Polyhedron): New.
569 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
571         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
572         type of NAME now depends on used CLooG version.
573         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
574         (gcc_type_for_clast_expr): Same.
575         (print_clast_stmt): Replace pprint with clast_pprint.
576         * graphite-cloog-compat.h: Provide compatibility macros for
577         CLooG Legacy.
578         (clast_name_p): New.
579         (clast_expr_term): New.
580         (clast_expr_red): New.
581         (clast_expr_bin): New.
582         (clast_pprint): New.
584 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
586         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
587         compatible to newer CLooG releases (CLOOG_ORG).
588         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
589         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
590         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
591         (build_cloog_prog) : New.
592         (cloog_program_extract_scalars): New.
593         (cloog_program_scatter): New.
595 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
597         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
598         conditionally (CLOOG_ORG).
599         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
600         (cloog_statement_usr): New.
601         (cloog_domain): Same.
602         (cloog_set_domain): Same.
603         (cloog_next_domain): Same.
604         (cloog_set_next_domain): Same.
605         (cloog_program_nb_scattdims): Same.
606         (cloog_program_set_nb_scattdims): Same.
607         (cloog_program_names): Same.
608         (cloog_program_set_names): Same.
609         (cloog_program_set_context): Same.
610         (cloog_program_set_loop): Same.
611         (cloog_program_blocklist): Same.
612         (cloog_program_set_blocklist): Same.
613         (cloog_program_scaldims): Same.
614         (cloog_program_set_scaldims): Same.
615         (cloog_names_nb_parameters): Same.
616         (cloog_names_set_nb_parameters): Same.
617         (cloog_names_parameters): Same.
618         (cloog_names_set_parameters): Same.
619         (cloog_names_set_nb_iterators): Same.
620         (cloog_names_set_iterators): Same.
621         (cloog_names_set_nb_scattering): Same.
622         (cloog_names_set_scattering): Same.
623         (cloog_statement_set_usr): Same.
624         (cloog_loop_set_next): Same.
625         (cloog_loop_set_domain): Same.
626         (cloog_loop_set_block): Same.
627         (cloog_block_list_next): Same.
628         (cloog_block_list_set_next):
629         (cloog_block_list_set_block): Same.
631 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
633         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
634         a bool.
635         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
636         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
637         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
638         when something has been changed.
639         (rewrite_commutative_reductions_out_of_ssa): Same.
641         * gcc.dg/graphite/id-26.c: New.
643 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
645         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
646         handle the case when def is in the sese region.
647         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
648         for invariant expressions.
649         (rewrite_cross_bb_phi_deps): Removed.
650         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
651         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
652         rewrite_cross_bb_phi_deps.
654 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
656         * graphite-sese-to-poly.c
657         (rewrite_commutative_reductions_out_of_ssa_loop): Call
658         scev_analyzable_p only on is_gimple_reg
660         * gcc.dg/graphite/id-25.c: New.
662 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
664         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
665         (rewrite_close_phi_out_of_ssa): Propagate constant values or
666         parametric expressions outside the scop region.
667         (rewrite_cross_bb_scalar_deps): Same.
668         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
670         * gcc.dg/graphite/run-id-5.c: New.
671         * gcc.dg/graphite/run-id-6.c: New.
672         * gfortran.dg/graphite/id-21.f: New.
674 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
676         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
677         SSA_NAME_DEF_STMT only on SSA_NAMEs.
679         * gcc.dg/graphite/id-24.c: New.
681 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
683         * tree-scalar-evolution.c (instantiate_scev_name): Do not
684         instantiate default definitions.
686 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
688         * graphite-scop-detection.c (is_valid_stmt_p): New.
689         (is_valid_bb_p): New.
691 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
692             Sebastian Pop  <sebastian.pop@amd.com>
694         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
695         (loop_exits_from_bb_p): New.
696         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
697         (loop_exits_from_bb_p): Declared.
698         * graphite-scop-detection.c (scopdet_basic_block_info): Call
699         loop_exits_to_bb_p.
701 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
703         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
704         tree-data-ref.h.
705         (dot_regions_1): New.
706         (dot_regions): New.
707         * refined-regions.h (dot_regions): Declared.
708         * Makefile.in (refined-regions.o): Update dependences.
710 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
712         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
713         extra parameter for the region.  Call scev_analyzable_p.
714         (rewrite_reductions_out_of_ssa): Update call to
715         rewrite_close_phi_out_of_ssa.
716         (rewrite_cross_bb_phi_deps): Same.
717         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
718         parameter for the region.  Call scev_analyzable_p.
719         (rewrite_commutative_reductions_out_of_ssa): Update call to
720         rewrite_commutative_reductions_out_of_ssa_loop.
722 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
724         * gcc.dg/tree-ssa/pr20742.c: New.
726 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
728         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
730         * gcc.dg/graphite/id-23.c: New.
732 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
734         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
735         SSA scalar phi nodes that can be scev_analyzable_p.
737         * gfortran.dg/graphite/id-20.f: Adjust testcase.
739 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
741         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
742         handle SSA_NAME_IS_DEFAULT_DEF.
744 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
746         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
748         * gcc.dg/graphite/pr42729.c: New.
750 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
752         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
753         case non close-phi nodes with one argument.
755 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
757         * sese.h (scev_analyzable_p): Scevs could be expressions without
758         chrecs and still be scev_analyzable_p.
760 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
762         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
764 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
766         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
767         * cfgloop.h (struct loop): Remove single_iv field.
768         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
769         (scop_canonicalize_loops): Removed.
770         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
771         over all the loop phi nodes in loop->header.
772         (build_poly_scop): Remove use of scop_canonicalize_loops.
774 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
776         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
777         handle GIMPLE_CALL.
779 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
781         * tree-chrec.c (chrec_apply): Should only apply to the specified
782         variable.  Also handle multivariate chains of recurrences that
783         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
785 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
787         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
788         (debug_clast_name_indexes_1): Removed.
789         (debug_clast_name_indexes): Removed.
790         (pbb_to_depth_to_oldiv): Removed.
791         (build_iv_mapping): Replace the use of rename_map with iv_map.
792         (translate_clast_user): Remove uses of rename_map.  Allocate and
793         free iv_map.
794         (translate_clast_for_loop): Remove uses of rename_map.
795         (translate_clast_for): Same.
796         (translate_clast_guard): Same.
797         (translate_clast): Same.
798         (gloog): Same.
799         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
800         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
801         * sese.c (set_rename): Now static.
802         (rename_variables_in_stmt): Removed.
803         (rename_uses): New.
804         (is_parameter): Removed.
805         (is_iv): Removed.
806         (expand_scalar_variables_call): Removed.
807         (expand_scalar_variables_ssa_name): Removed.
808         (expand_scalar_variables_expr): Removed.
809         (expand_scalar_variables_stmt): Removed.
810         (expand_scalar_variables): Removed.
811         (rename_variables): Removed.
812         (remove_condition): Removed.
813         (get_true_edge_from_guard_bb): Removed.
814         (get_false_edge_from_guard_bb): Removed.
815         (struct igp): Removed.
816         (default_before_guard): Removed.
817         (convert_for_phi_arg): Removed.
818         (add_guard_exit_phis): Removed.
819         (insert_guard_phis): Removed.
820         (graphite_copy_stmts_from_block): Now also uses iv_map and a
821         region.  Do not copy conditions.  Do not copy induction variables.
822         Call rename_uses.
823         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
824         the translated statement.  Use the iv_map for the induction
825         variable renaming.
826         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
827         (set_rename): Removed declaration.
828         (scev_analyzable_p): ...here.
829         * tree-chrec.c (chrec_apply_map): New.
830         * tree-chrec.h (chrec_apply_map): Declared.
832 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
834         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
835         insert_loop_close_phis.
836         * sese.c (name_defined_in_loop_p): Removed.
837         (expr_defined_in_loop_p): Removed.
838         (alive_after_loop): Removed.
839         (close_phi_not_yet_inserted_p): Removed.
840         (struct alep): Removed.
841         (add_loop_exit_phis): Removed.
842         (insert_loop_close_phis): Removed.
844 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
846         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
847         condition.
848         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
850 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
852         * gfortran.dg/graphite/id-20.f: New.
854 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
856         * graphite-cloog-util.h: Added cloog.h.
857         * graphite-blocking.c: Removed cloog.h.
858         * graphite-dependences.c: Same.
859         * graphite-interchange.c: Same.
860         * graphite-poly.c: Same.
861         * graphite-ppl.c: Same.
862         * graphite-scop-detection.c: Same.
863         * graphite-sese-to-poly.c:
864         Removed cloog.h.
865         Removed graphite-clast-to-gimple.h.
866         (check_poly_representation): Removed (unused).
867         * graphite-sese-to-poly.h
868         (check_poly_representation): Removed (unused).
870 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
872         * Makefile.in
873         (OBJS-common): Added graphite-cloog-util.o.
874         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
875         (graphite-cloog-util.o): New.
876         (graphite-ppl.o): Added graphite-cloog-util.h.
877         * graphite-clast-to-gimple.c:
878         Added graphite-cloog-util.h to include statements.
879         * graphite-cloog-util.c: New.
880         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
881         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
882         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
883         (new_C_Polyhedron_from_Cloog_Matrix): Same.
884         (ppl_Constrain_System_number_of_constraints): Same.
885         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
886         (oppose_constraint): Same.
887         (cloog_matrix_to_ppl_constraint): Same.
888         (new_Constraint_System_from_Cloog_Matrix): Same.
889         (insert_constraint_into_matrix): Same. Declared static.
890         * graphite-cloog-util.h: New.
891         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
892         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
893         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
894         (new_C_Polyhedron_from_Cloog_Matrix): Same.
895         (insert_constraint_into_matrix): Same.
896         * graphite-ppl.c:
897         Added graphite-cloog-util.h to include statements.
898         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
899         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
900         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
901         (new_C_Polyhedron_from_Cloog_Matrix): Same.
902         (insert_constraint_into_matrix): Same.
903         (ppl_Constrain_System_number_of_constraints): Same.
904         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
905         (oppose_constraint): Same.
906         (cloog_matrix_to_ppl_constraint): Same.
907         (new_Constraint_System_from_Cloog_Matrix): Same.
908         * graphite-ppl.h:
909         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
910         graphite-cloog-util.h.
911         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
912         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
913         (new_C_Polyhedron_from_Cloog_Matrix): Same.
914         (insert_constraint_into_matrix): Removed.
916 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
918         * graphite-clast-to-gimple.c
919         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
920         (precision_for_interval): Same.
921         (gcc_type_for_interval): Same.
922         (compute_type_for_level): Same.
923         * graphite-interchange.c
924         (lst_interchange_profitable_p): Same.
925         * graphite-poly.c
926         (psct_scattering_dim_for_loop_depth): Same.
927         * graphite-ppl.c
928         (ppl_max_for_le_pointset): Same.
929         (ppl_min_for_le_pointset): Same.
931 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
933         * refined-regions.c (bb_index_compare): New.
934         (get_bbs_in_region): New.
935         (print_bbs_in_region): New.
936         (print_refined_region): Add an argument that allows to print
937         all basic blocks contained in regions.
938         (debug_refined_region): Update call to print_refined_region.
939         * refined-regions.h (print_refined_region): Update declaration.
940         (get_bbs_in_region): Declared.
941         * graphite-scop-detection.c (build_scops_new): Print the refined
942         region tree into the Grahite dump file.
944 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
946         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
947         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
949 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
951         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
952         rewrite_close_phi_out_of_ssa.
954         * gcc.dg/graphite/id-22.c: New.
956 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
958         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
960 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
962         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
963         rename_map.
964         * sese.c (debug_rename_map): Same.
965         (get_rename): Same.
966         (set_rename): Same.
967         (rename_variables_in_stmt): Same.
968         (expand_scalar_variables_call): Same.
969         (expand_scalar_variables_ssa_name): Same.
970         (expand_scalar_variables_expr): Same.
971         (expand_scalar_variables_stmt): Same.
972         (expand_scalar_variables): Same.
973         (rename_variables): Same.
974         (graphite_copy_stmts_from_block): Same.
975         (copy_bb_and_scalar_dependences): Same.
977 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
979         * graphite-clast-to-gimple.c (copy_renames): Removed.
980         (translate_clast_for): Do not call copy_renames.
981         (translate_clast_guard): Same.
983 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
985         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
986         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
987         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
988         before rewrite_cross_bb_scalar_deps.
990 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
992         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
993         Early return in when flag_associative_math is not set.
995 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
997         * gcc.dg/graphite/run-id-2.c: Call abort.
999 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1001         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1002         of SSA copies on edges except for loop->latch.
1004 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1006         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1007         Split out of rewrite_reductions_out_of_ssa.
1008         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1009         Declared.
1010         * graphite.c (graphite_transform_loops): Call it.
1012 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1014         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1016 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1018         * passes.c (init_optimization_passes): Add pass_graphite.
1019         Schedule a pass_copy_prop before pass_graphite_transforms.
1020         * timevar.def (TV_GRAPHITE): Declared.
1021         * tree-pass.h (pass_graphite): Declared.
1022         * tree-ssa-loop.c (pass_graphite): New.
1024         * gcc.dg/graphite/id-20.c: New.
1026 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1028         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1029         Remove calls to rename_nb_iterations and rename_sese_parameters.
1030         * graphite-clast-to-gimple.h (gloog): Update declaration.
1031         * graphite.c (graphite_transform_loops): Update call to gloog.
1032         * sese.c (rename_variables_in_expr): Removed.
1033         (rename_nb_iterations): Removed.
1034         (rename_sese_parameters): Removed.
1035         * sese.h (rename_nb_iterations): Removed.
1036         (rename_sese_parameters): Removed.
1038 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1040         * graphite-clast-to-gimple.c (gloog): Remove call to
1041         sese_adjust_liveout_phis.
1042         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1043         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1044         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1045         rewrite_phi_out_of_ssa.
1046         * sese.c (get_vdef_before_sese): Removed.
1047         (sese_adjust_vphi): Removed.
1048         (sese_adjust_liveout_phis): Removed.
1049         * sese.h (sese_adjust_liveout_phis): Removed.
1051 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1053         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1054         argument for the place after which to insert the out of SSA copy.
1055         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1056         (rewrite_phi_out_of_ssa): Same.
1057         (rewrite_cross_bb_scalar_deps): Same.
1058         (insert_copyout): Removed.
1059         (insert_copyin): Removed.
1060         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1061         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1062         insert_copyin.
1064 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1066         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1067         (rewrite_reductions_out_of_ssa): Same.
1068         (rewrite_commutative_reductions_out_of_ssa): Same.
1069         (build_poly_scop): Do not call these functions.
1070         * graphite-sese-to-poly.h (build_poly_scop): Declared.
1071         (rewrite_reductions_out_of_ssa): Declared.
1072         (rewrite_commutative_reductions_out_of_ssa): Declared.
1073         * graphite.c (graphite_transform_loops): Call on every scop
1074         rewrite_commutative_reductions_out_of_ssa before calling
1075         rewrite_reductions_out_of_ssa and build_scop_bbs.
1077 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1079         * graphite-dependences.c (dot_deps): Make system call to dotty run
1080         in background.
1081         (dot_deps_stmt): Same.
1082         * graphite-poly.c (dot_lst): Same.
1084 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1086         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1087         old_type in parameter.
1088         (gcc_type_for_value): Update call to gcc_type_for_interval.
1089         (compute_type_for_level_1): Renamed compute_type_for_level.
1090         Update call to gcc_type_for_interval.
1092 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1094         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1095         the scev analysis when the variable is not used outside the loop
1096         in a close phi node: call compute_overall_effect_of_inner_loop.
1098 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1100         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1101         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1102         (build_sese_conditions_before): Renamed call to single_pred_cond.
1103         (build_sese_conditions_after): Same.
1105 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1107         * graphite-poly.h: Fix comments and indentation.
1108         * graphite-sese-to-poly.c: Same.
1109         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1110         * tree-chrec.c: Fix comments and indentation.
1111         (tree-ssa-loop-niter.c): Same.
1113 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1115         * refined-regions.c (create_region): Only initialize the region.
1116         (find_regions_with_entry): Initialize parent relation and bbmap
1117         correctly.
1118         (build_regions_tree): Set outermost_region to region instead of
1119         topmost_region.
1120         (calculate_region_tree): Remove unneeded parameters.
1122 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1124         * graphite-scop-detection.c (is_scop_p): New.
1125         (build_scops_new): New. A skeleton for the new scop detection.
1126         (build_scops_old): Renamed from build_scops.
1127         (build_scops): New version. Call the new and the old scop
1128         detection.
1130 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1131             Antoniu Pop  <antoniu.pop@gmail.com>
1133         * Makefile.in (OBJS-common): Add refined-regions.o.
1134         (refined-regions.o): New.
1135         (graphite-scop-detection.o): Use refined-regions.h.
1136         * graphite-scop-detection.c: Include refined-regions.h
1137         (build_scops): Also build the refined region tree.
1138         * refined-regions.c: New. Adds an algorithm to detect refined
1139         regions.
1140         (print_refined_region): New.
1141         (debug_refined_region): New.
1142         (refined_region_contains_bb_p): New.
1143         (refined_region_contains_region_p): New.
1144         (is_common_df): New.
1145         (struct find_regions_global_data): New.
1146         (is_region): New.
1147         (typedef struct bb_bb_def): New.
1148         (new_bb_bb_def): New.
1149         (bb_bb_map_hash): New.
1150         (eq_bb_bb_map): New.
1151         (find_new_bb): New.
1152         (bb_reg_def): New.
1153         (new_bb_reg_def): New.
1154         (bb_reg_map_hash): New.
1155         (eq_bb_reg_map): New.
1156         (find_new_region): New.
1157         (insert_new_reg): New.
1158         (insert_new_bb): New.
1159         (insert_shortcut): New.
1160         (get_next_postdom): New.
1161         (create_region): New.
1162         (find_regions_with_entry): New.
1163         (find_regions_adc): New.
1164         (find_regions): New.
1165         (get_topmost_parent): New.
1166         (build_regions_tree): New.
1167         (calculate_region_tree): New.
1168         (free_region_tree): New.
1169         * refined-regions.h: New.
1170         (struct refined_region): New.
1171         (calculate_region_tree): New.
1172         (free_region_tree): New.
1173         (refined_region_contains_bb_p): New.
1174         (refined_region_contains_region_p): New.
1175         (print_refined_region): New.
1176         (debug_refined_region): New.
1178 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1180         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1181         size_one_node.
1183 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1185         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1186         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1188 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1190         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1191         phi_arg_in_outermost_loop.
1192         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1193         (remove_invariant_phi): Same.
1195 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1197         * graphite-blocking.c
1198         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1199         * graphite-clast-to-gimple.c
1200         (clast_to_gcc_expression): Same.
1201         (precision_for_value): Same.
1202         (precision_for_interval): Same.
1203         (gcc_type_for_interval): Same.
1204         (graphite_create_new_guard): Same.
1205         (compute_bounds_for_level): Same.
1206         (graphite_create_new_loop_guard): Same.
1207         * graphite-interchange.c
1208         (build_linearized_memory_access): Same.
1209         (pdr_stride_in_loop): Same.
1210         (memory_strides_in_loop_1): Same.
1211         (memory_strides_in_loop): Same.
1212         (extend_scattering): Same.
1213         (psct_scattering_dim_for_loop_depth): Same.
1214         (pbb_number_of_iterations): Same.
1215         * graphite-poly.h
1216         (debug_iteration_domains): Same.
1217         * graphite-ppl.c
1218         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1219         (ppl_set_inhomogeneous_gmp): Same.
1220         (ppl_strip_loop): Same.
1221         (ppl_lexico_compare_linear_expressions): Same.
1222         (ppl_read_polyhedron_matrix): Same.
1223         (ppl_max_for_le_pointset): Same.
1224         * graphite-ppl.h
1225         (ppl_read_polyhedron_matrix): Same.
1226         (tree_int_to_gmp): Same.
1227         (gmp_cst_to_tree): Same.
1228         (ppl_set_inhomogeneous): Same.
1229         (ppl_set_inhomogeneous_tree): Same.
1230         (ppl_set_coef): Same.
1231         (ppl_set_coef_tree): Same.
1232         * graphite-sese-to-poly.c
1233         (build_pbb_scattering_polyhedrons): Same.
1234         (build_scop_scattering): Same.
1235         (scan_tree_for_params_right_scev): Same.
1236         (scan_tree_for_params): Same.
1237         (find_params_in_bb): Same.
1238         (find_scop_parameters): Same.
1239         (add_upper_bounds_from_estimated_nit): Same.
1240         (build_loop_iteration_domains): Same.
1241         (add_condition_to_domain): Same.
1242         (pdr_add_memory_accesses): Same.
1244 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1246         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1247         CLooG's value_* macros to their respective mpz_* counterparts.
1248         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1249         (graphite_create_new_loop_guard): Same.
1250         * graphite-interchange.c (build_linearized_memory_access): Same.
1251         (pdr_stride_in_loop): Same.
1252         (memory_strides_in_loop_1): Same.
1253         (1st_interchange_profitable_p): Same.
1254         * graphite-poly.c (extend_scattering): Same.
1255         (psct_scattering_dim_for_loop_depth): Same.
1256         (pbb_number_of_iterations): Same.
1257         (pbb_number_of_iterations_at_time): Same.
1258         * graphite-poly.h (new_1st_loop): Same.
1259         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1260         (oppose_constraint): Same.
1261         (insert_constraint_into_matrix): Same.
1262         (ppl_set_inhomogeneous_gmp): Same.
1263         (ppl_set_coef_gmp): Same.
1264         (ppl_strip_loop): Same.
1265         (ppl_lexico_compare_linear_expressions): Same.
1266         (ppl_max_for_le_pointset): Same.
1267         (ppl_min_for_le_pointset): Same.
1268         (ppl_build_realtion): Same.
1269         * graphite-ppl.h (gmp_cst_to_tree): Same.
1270         (ppl_set_inhomogeneous): Same.
1271         (ppl_set_inhomogeneous_tree): Same.
1272         (ppl_set_coef): Same.
1273         (ppl_set_coef_tree): Same.
1274         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1275         (build_scop_scattering): Same.
1276         (add_value_to_dim): Same.
1277         (scan_tree_for_params_right_scev): Same.
1278         (scan_tree_for_params_int): Same.
1279         (scan_tree_for_params): Same.
1280         (find_params_in_bb): Same.
1281         (find_scop_parameters): Same.
1282         (add_upper_bounds_from_estimated_nit): Same.
1283         (build_loop_iteration_domains): Same.
1284         (create_linear_expr_from_tree): Same.
1285         (add_condition_to_domain): Same.
1286         (pdr_add_memory_accesses): Same.
1288 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1290         PR middle-end/43519
1291         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1292         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1293         When converting an unsigned type to signed, double its precision.
1294         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1295         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1296         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1298 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1300         PR middle-end/43519
1301         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1302         build_nonstandard_integer_type.
1303         (gcc_type_for_interval): Same.
1305 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1307         PR middle-end/43519
1308         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1309         POINTER_PLUS_EXPR for pointer types.
1311         * gcc.dg/graphite/id-19.c: New.
1313 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1315         PR middle-end/43519
1316         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1317         * graphite-clast-to-gimple.c: Include langhooks.h.
1318         (max_signed_precision_type): New.
1319         (max_precision_type): Takes two types as arguments.
1320         (precision_for_value): New.
1321         (precision_for_interval): New.
1322         (gcc_type_for_interval): New.
1323         (gcc_type_for_value): New.
1324         (gcc_type_for_clast_term): New.
1325         (gcc_type_for_clast_red): New.
1326         (gcc_type_for_clast_bin): New.
1327         (gcc_type_for_clast_expr): Split up into several functions.
1328         (gcc_type_for_clast_eq): Rewritten.
1329         (compute_bounds_for_level): New.
1330         (compute_type_for_level_1): New.
1331         (compute_type_for_level): New.
1332         (gcc_type_for_cloog_iv): Removed.
1333         (gcc_type_for_iv_of_clast_loop): Rewritten.
1334         (graphite_create_new_loop): Compute the lower and upper bound types
1335         with gcc_type_for_clast_expr.
1336         (graphite_create_new_loop_guard): Same.
1337         (find_cloog_iv_in_expr): Removed.
1338         (compute_cloog_iv_types_1): Removed.
1339         (compute_cloog_iv_types): Removed.
1340         (gloog): Do not call compute_cloog_iv_types.
1341         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1342         GBB_CLOOG_IV_TYPES.
1343         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1344         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1345         (GBB_CLOOG_IV_TYPES): Removed.
1347         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1349 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1351         Reverted this commit: as at this point the loop closed SSA form
1352         is under a canonical form respecting the single argument condition.
1353         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1354         close phi nodes may have more than one argument.
1356 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1358         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1359         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1360         (detect_commutative_reduction): Same.
1362 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1364         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1365         close phi nodes may have more than one argument.
1367 2010-03-30  Richard Guenther  <rguenther@suse.de>
1368             Zdenek Dvorak  <ook@ucw.cz>
1369             Sebastian Pop  <sebastian.pop@amd.com>
1371         PR middle-end/43464
1372         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1373         with multiple arguments.
1374         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1376 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1378         * graphite-dependences.c (print_pddr): Call print_pdr with an
1379         extra argument.
1380         * graphite-poly.c (debug_pdr): Add an extra argument for the
1381         verbosity level.
1382         (print_pdr): Same.
1383         (print_pbb_domain): Same.
1384         (print_pbb): Same.
1385         (print_scop_context): Same.
1386         (print_scop): Same.
1387         (print_cloog): Same.
1388         (debug_pbb_domain): Same.
1389         (debug_pbb): Same.
1390         (print_pdrs): Same.
1391         (debug_pdrs): Same.
1392         (debug_scop_context): Same.
1393         (debug_scop): Same.
1394         (debug_cloog): Same.
1395         (print_scop_params): Same.
1396         (debug_scop_params): Same.
1397         (print_iteration_domain): Same.
1398         (print_iteration_domains): Same.
1399         (debug_iteration_domain): Same.
1400         (debug_iteration_domains): Same.
1401         (print_scattering_function): Same.
1402         (print_scattering_functions): Same.
1403         (debug_scattering_function): Same.
1404         (debug_scattering_functions): Same.
1405         * graphite-poly.h (debug_pdr): Update declaration.
1406         (print_pdr): Same.
1407         (print_pbb_domain): Same.
1408         (print_pbb): Same.
1409         (print_scop_context): Same.
1410         (print_scop): Same.
1411         (print_cloog): Same.
1412         (debug_pbb_domain): Same.
1413         (debug_pbb): Same.
1414         (print_pdrs): Same.
1415         (debug_pdrs): Same.
1416         (debug_scop_context): Same.
1417         (debug_scop): Same.
1418         (debug_cloog): Same.
1419         (print_scop_params): Same.
1420         (debug_scop_params): Same.
1421         (print_iteration_domain): Same.
1422         (print_iteration_domains): Same.
1423         (debug_iteration_domain): Same.
1424         (debug_iteration_domains): Same.
1425         (print_scattering_function): Same.
1426         (print_scattering_functions): Same.
1427         (debug_scattering_function): Same.
1428         (debug_scattering_functions): Same.
1430 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1432         * graphite-poly.c (print_scattering_function_1): New.
1433         (print_scattering_function): Call it.
1434         (print_scop_params): Remove spaces at the end of lines.
1435         (print_cloog): New.
1436         (debug_cloog): New.
1437         * graphite-poly.h (print_cloog): Declared.
1438         (debug_cloog): Declared.
1440 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1442         * tree-ssa-copy.c: Revert this previous change:
1443         (init_copy_prop): Loop closed phi nodes cancontain more than one
1444         argument.
1445         (execute_copy_prop): Revert the previous change: do not call
1446         rewrite_into_loop_closed_ssa.
1448 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1449             Richard Guenther  <rguenther@suse.de>
1451         PR middle-end/43464
1452         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1453         contain more than one argument.
1454         (execute_copy_prop): Revert the previous change: do not call
1455         rewrite_into_loop_closed_ssa.
1457         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1458         * gcc.dg/graphite/id-pr43464-1.c: New.
1460 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1462         PR middle-end/43464
1463         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1464         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1466         * gcc.dg/graphite/id-pr43464.c: New.
1468 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1470         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1471         in loop->header.
1472         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1473         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1474         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1475         to switch between adding the IV bump in loop->latch or in loop->header.
1477 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1479         * passes.c (init_optimization_passes): Add pass_copy_prop
1480         after Graphite.
1482 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1484         * graphite-poly.c (print_scattering_function): Pretty print following
1485         the scoplib format.
1486         (print_pdr): Same.
1487         (print_pbb_domain): Same.
1488         (dump_gbb_cases): Same.
1489         (dump_gbb_conditions): Same.
1490         (print_pdrs): Same.
1491         (print_pbb): Same.
1492         (print_scop_params): Same.
1493         (print_scop_context): Same.
1494         (print_scop): Same.
1495         (print_pbb_body): New.
1496         (lst_indent_to): New.
1497         (print_lst): Start new lines with a #.
1498         * graphite-poly.h (pbb_bb): New.
1499         (pbb_index): Use pbb_bb.
1500         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1501         disjuncts.
1502         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1504 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1506         PR middle-end/43351
1507         * gcc.dg/graphite/id-pr43351.c
1509 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1511         PR middle-end/43354
1512         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1513         call insert_out_of_ssa_copy for default definitions.
1514         * gfortran.dg/graphite/id-pr43354.f: New.
1516 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1518         PR middle-end/43349
1519         * gfortran.dg/graphite/pr43349.f: New.
1521 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1523         * graphite-clast-to-gimple.c (my_long_long): Defined.
1524         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1525         * graphite-sese-to-poly.c (my_long_long): Defined.
1526         (scop_ivs_can_be_represented): Use it.
1528 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1530         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1531         graphite-max-bbs-per-function, and loop-block-tile-size.
1532         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1533         with "maximum".
1534         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1536 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1538         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1539         forward declaration.
1540         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1541         (add_upper_bounds_from_estimated_nit): New.
1542         (build_loop_iteration_domains): Use it.
1544 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1546         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1548 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1550         PR middle-end/43306
1551         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1552         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1553         * gcc.dg/graphite/pr43306.c: New.
1555 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1557         * graphite.c (graphite_initialize): To bound the number of bbs per
1558         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1559         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1560         * doc/invoke.texi: Document it.
1562 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1564         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1565         * graphite-sese-to-poly.h (build_poly_scop): Same.
1567 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1569         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1570         the number of parameters in the scop.  Use as an upper bound
1571         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1572         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1573         * doc/invoke.texi: Document it.
1575 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1577         * graphite-sese-to-poly.c (add_param_constraints): Use
1578         lower_bound_in_type and upper_bound_in_type.
1580 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1582         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1583         instead of unsigned_type_node.
1585 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1586             Reza Yazdani  <reza.yazdani@amd.com>
1588         PR middle-end/43065
1589         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1590         on pointer type parameters.
1592         * gcc.dg/graphite/run-id-4.c: New.
1594 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1596         PR middle-end/43065
1597         * gcc.dg/graphite/run-id-3.c: New.
1599 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1600             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1602         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1603         handle conversions from pointer to integers.
1604         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1605         induction variable, to be able to work with code generated by CLooG.
1606         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1607         (build_poly_scop): Bail out if we cannot codegen a loop.
1609 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1611         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1612         code generation with gloog_error.
1614 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1616         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1617         Call fold_convert on all the returned values.
1618         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1619         the type of the resulting expression.
1621 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1623         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1624         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1625         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1627 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1629         * graphite-dependences.c (map_into_dep_poly): Removed.
1630         (dependence_polyhedron_1): Use combine_context_id_scat.
1632 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1634         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1635         (struct poly_bb): Same.
1636         (combine_context_id_scat): New.
1638 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1640         PR middle-end/42326
1641         * sese.c (name_defined_in_loop_p): Return false for default
1642         definitions.
1644         * gcc.dg/graphite/pr42326.c: New.
1646 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1648         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1649         and clean up the logic.
1651 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1653         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1654         early return.
1656 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1658         PR middle-end/43083
1659         * graphite-scop-detection.c (create_single_exit_edge): Move
1660         the call to find_single_exit_edge to....
1661         (create_sese_edges): ...here.  Don't handle multiple edges
1662         exiting the function.
1663         (build_graphite_scops): Don't handle multiple edges
1664         exiting the function.
1666         * gcc.dg/graphite/pr43083.c: New.
1668 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1670         PR middle-end/43097
1671         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1672         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1674         * gfortran.dg/graphite/pr43097.f: New.
1676 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1678         PR middle-end/43083
1679         * graphite-scop-detection.c (create_single_exit_edge): Move
1680         the call to find_single_exit_edge to....
1681         (create_sese_edges): ...here.  Don't handle multiple edges
1682         exiting the function.
1683         (build_graphite_scops): Don't handle multiple edges
1684         exiting the function.
1686         * gcc.dg/graphite/pr43083.c: New.
1688 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1690         PR middle-end/43097
1691         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1692         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1694         * gfortran.dg/graphite/pr43097.f: New.
1696 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1697             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1699         PR middle-end/43140
1700         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1702 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1704         PR middle-end/43026
1705         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1707         * g++.dg/graphite/pr43026.C: New.
1709 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1711         * Merge from mainline (154736:156693).
1713 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1715         PR middle-end/43026
1716         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1718         * g++.dg/graphite/pr43026.C: New.
1720 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1722         * Merge from mainline (154736:156693).
1724 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1726         PR middle-end/43012
1727         * gcc.dg/graphite/pr43012.c: New.
1729 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1731         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1733 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1735         * g++.dg/graphite/pr42930.C: New.
1737 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1739        * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1741 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1743         * g++.dg/graphite/pr42930.C: New.
1745 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1747         PR middle-end/42930
1748         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1749         graphite_can_represent_init for MULT_EXPR.
1751 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1753         PR middle-end/42914
1754         PR middle-end/42530
1755         * graphite-sese-to-poly.c (remove_phi): New.
1756         (translate_scalar_reduction_to_array): Call remove_phi.
1758         * gcc.dg/graphite/pr42530.c: New.
1759         * gcc.dg/graphite/pr42914.c: New.
1761 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1763         PR middle-end/42930
1764         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1765         graphite_can_represent_init for MULT_EXPR.
1767 2010-02-10  Sebastian Pop  <seb@napoca>
1769         PR middle-end/42914
1770         PR middle-end/42530
1771         * graphite-sese-to-poly.c (remove_phi): New.
1772         (translate_scalar_reduction_to_array): Call remove_phi.
1774         * gcc.dg/graphite/pr42530.c: New.
1775         * gcc.dg/graphite/pr42914.c: New.
1777 2010-02-10  Sebastian Pop  <seb@napoca>
1779         PR middle-end/42771
1780         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1781         * graphite-clast-to-gimple.h (gloog): Update declaration.
1782         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1783         * graphite-poly.h (struct poly_bb): Add missing comments.
1784         (struct scop): Add poly_scop_p field.
1785         (POLY_SCOP_P): New.
1786         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1787         * graphite.c (graphite_transform_loops): Build the polyhedral
1788         representation for each scop before code generation.
1789         * sese.c (rename_variables_in_operand): Removed.
1790         (rename_variables_in_expr): Return the renamed expression.
1791         (rename_sese_parameters): New.
1792         * sese.h (rename_sese_parameters): Declared.
1794         * gcc.dg/graphite/pr42771.c: New.
1796 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1798         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1799         return 0 from main.
1800         * gcc.dg/graphite/block-1.c: Same.
1801         * gcc.dg/graphite/block-3.c: Same.
1802         * gcc.dg/graphite/block-4.c: Same.
1803         * gcc.dg/graphite/block-5.c: Same.
1804         * gcc.dg/graphite/block-6.c: Same.
1805         * gcc.dg/graphite/block-7.c: Same.
1806         * gcc.dg/graphite/interchange-0.c: Same.
1807         * gcc.dg/graphite/interchange-1.c: Same.
1808         * gcc.dg/graphite/interchange-10.c: Same.
1809         * gcc.dg/graphite/interchange-11.c: Same.
1810         * gcc.dg/graphite/interchange-12.c: Same.
1811         * gcc.dg/graphite/interchange-2.c: Same.
1812         * gcc.dg/graphite/interchange-3.c: Same.
1813         * gcc.dg/graphite/interchange-4.c: Same.
1814         * gcc.dg/graphite/interchange-5.c: Same.
1815         * gcc.dg/graphite/interchange-6.c: Same.
1816         * gcc.dg/graphite/interchange-7.c: Same.
1817         * gcc.dg/graphite/interchange-8.c: Same.
1818         * gcc.dg/graphite/interchange-9.c: Same.
1819         * gcc.dg/graphite/interchange-mvt.c: Same.
1821 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1823         * gfortran.dg/graphite/id-19.f: New.
1824         * gfortran.dg/graphite/pr14741.f90: New.
1825         * gfortran.dg/graphite/pr41924.f90: New.
1826         * gfortran.dg/graphite/run-id-2.f90: New.
1828 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1830         PR middle-end/42988
1831         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1832         to unknown_dependence.
1833         (graphite_legal_transform_dr): Handle the unknown_dependence.
1834         (graphite_carried_dependence_level_k): Same.
1836 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1838         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1839         return 0 from main.
1840         * gcc.dg/graphite/block-1.c: Same.
1841         * gcc.dg/graphite/block-3.c: Same.
1842         * gcc.dg/graphite/block-4.c: Same.
1843         * gcc.dg/graphite/block-5.c: Same.
1844         * gcc.dg/graphite/block-6.c: Same.
1845         * gcc.dg/graphite/block-7.c: Same.
1846         * gcc.dg/graphite/interchange-0.c: Same.
1847         * gcc.dg/graphite/interchange-1.c: Same.
1848         * gcc.dg/graphite/interchange-10.c: Same.
1849         * gcc.dg/graphite/interchange-11.c: Same.
1850         * gcc.dg/graphite/interchange-12.c: Same.
1851         * gcc.dg/graphite/interchange-2.c: Same.
1852         * gcc.dg/graphite/interchange-3.c: Same.
1853         * gcc.dg/graphite/interchange-4.c: Same.
1854         * gcc.dg/graphite/interchange-5.c: Same.
1855         * gcc.dg/graphite/interchange-6.c: Same.
1856         * gcc.dg/graphite/interchange-7.c: Same.
1857         * gcc.dg/graphite/interchange-8.c: Same.
1858         * gcc.dg/graphite/interchange-9.c: Same.
1859         * gcc.dg/graphite/interchange-mvt.c: Same.
1861 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1863         * gfortran.dg/graphite/id-19.f: New.
1864         * gfortran.dg/graphite/pr14741.f90: New.
1865         * gfortran.dg/graphite/pr41924.f90: New.
1866         * gfortran.dg/graphite/run-id-2.f90: New.
1868 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1870         PR middle-end/42988
1871         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1872         to unknown_dependence.
1873         (graphite_legal_transform_dr): Handle the unknown_dependence.
1874         (graphite_carried_dependence_level_k): Same.
1876 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1878         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1880 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1881             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1883         PR middle-end/42637
1884         * graphite-dependences.c (build_lexicographical_constraint): Return
1885         a union of dependence polyhedra.
1886         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1888         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1889         * gcc.dg/graphite/block-4.c: Same.
1890         * gcc.dg/graphite/block-7.c: Same.
1891         * gcc.dg/graphite/interchange-12.c: Same.
1892         * gcc.dg/graphite/interchange-mvt.c: Same.
1893         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1894         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1895         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1897 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1899         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1900         the execution check to FAIL.  This testcase is miscompiled by Graphite
1901         and the check should be re-enabled.
1902         * gcc.dg/graphite/interchange-mvt.c: Same.
1903         * gcc.dg/graphite/block-0.c: Same.
1904         * gcc.dg/graphite/block-4.c: Same.
1905         * gcc.dg/graphite/block-7.c: Same.
1907 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1909         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1910         * gcc.dg/graphite/scop-0.c: Fix spaces.
1911         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1912         * gfortran.dg/graphite/block-2.f: Same.
1913         * gfortran.dg/graphite/block-3.f90: Same.
1914         * gfortran.dg/graphite/block-4.f90: Same.
1915         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1916         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1918 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1920         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1921         PDDR_ORIGINAL_SCATTERING_P.
1922         (pddr_is_empty): Rewritten.
1923         (print_dependence_polyhedron_layout): New.
1924         (print_pddr): New.
1925         (debug_pddr): New.
1926         (build_alias_set_powerset): Moved up.
1927         (poly_drs_may_alias_p): Moved up.
1928         (lexicographically_gt_p): Removed.
1929         (build_lexicographically_gt_constraint): Renamed
1930         build_lexicographical_constraint, reimplemented.
1931         (dependence_polyhedron_1): Simplified parameters.
1932         (dependence_polyhedron): Same.  Keep along empty PDDRs
1933         to make efficient use of the cache.
1934         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1935         (graphite_legal_transform_dr): Rewritten.
1936         (graphite_legal_transform_bb): Pass fewer arguments to
1937         graphite_legal_transform_dr.
1938         (graphite_carried_dependence_level_k): Simplified implementation.
1939         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1940         (dot_transformed_deps_stmt_1): Same.
1941         (dot_original_deps): Same.
1942         (dot_transformed_deps): Same.
1943         * graphite-dependences.h (struct poly_ddr): Added a new field
1944         original_scattering_p.
1945         (PDDR_ORIGINAL_SCATTERING_P): New.
1946         (print_pddr): Declared.
1947         (debug_pddr): Declared.
1948         * graphite-ppl.c: Clarify comment.
1949         * sese.h (print_gimple_bb): Removed unused declaration.
1950         (debug_gbb): Same.
1952 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1954         * g++.dg/graphite/graphite.exp: Rewritten.
1955         * gcc.dg/graphite/graphite.exp: Rewritten.
1956         * gfortran.dg/graphite/graphite.exp: Rewritten.
1957         * gcc.dg/graphite/block-0.c: Added runtime test.
1958         * gcc.dg/graphite/block-1.c: Same.
1959         * gcc.dg/graphite/block-3.c: Same.
1960         * gcc.dg/graphite/block-4.c: Same.
1961         * gcc.dg/graphite/block-5.c: Same.
1962         * gcc.dg/graphite/block-6.c: Same.
1963         * gcc.dg/graphite/block-7.c: Same.
1964         * gcc.dg/graphite/interchange-0.c: Same.
1965         * gcc.dg/graphite/interchange-1.c: Same.
1966         * gcc.dg/graphite/interchange-10.c: Same.
1967         * gcc.dg/graphite/interchange-11.c: Same.
1968         * gcc.dg/graphite/interchange-12.c: Same.
1969         * gcc.dg/graphite/interchange-2.c: Same.
1970         * gcc.dg/graphite/interchange-3.c: Same.
1971         * gcc.dg/graphite/interchange-4.c: Same.
1972         * gcc.dg/graphite/interchange-5.c: Same.
1973         * gcc.dg/graphite/interchange-6.c: Same.
1974         * gcc.dg/graphite/interchange-7.c: Same.
1975         * gcc.dg/graphite/interchange-8.c: Same.
1976         * gcc.dg/graphite/interchange-9.c: Same.
1977         * gcc.dg/graphite/interchange-mvt.c: Same.
1978         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1980 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1982         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1983           background.
1985 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1987         * common.opt: Add -fgraphite-cloog-opts.
1988         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1989         * opts.c (decode_options): Same.
1991 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1993         * gcc.dg/graphite/id-17.c: New.
1994         * gcc.dg/graphite/pr41888.c: New.
1995         * gcc.dg/graphite/scop-22.c: New.
1996         * gfortran.dg/graphite/pr40982.f90: New.
1998 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2000         * testsuite/gcc.dg/graphite/id-17.c: New.
2001         * testsuite/gcc.dg/graphite/pr41888.c: New.
2002         * testsuite/gcc.dg/graphite/scop-22.c: New.
2003         * testsuite/gfortran.dg/graphite/pr40982.f90: New.
2005 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2007         * graphite-dependences.c: Clarify comments.
2008         (build_pddr): Add an extra parameter direction.
2009         (graphite_legal_transform_dr): Use build_pddr.
2010         (dot_original_deps_stmt_1): Update use of build_pddr.
2011         (dot_transformed_deps_stmt_1): Same.
2012         (dot_original_deps): Same.
2013         (dot_transformed_deps): Same.
2015         * gcc.dg/graphite/interchange-12.c: New.
2016         * gcc.dg/graphite/block-7.c: New.
2018 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2020         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2021         (pddr_transformed_scattering): Removed.
2022         (graphite_legal_transform_dr): Use build_pddr.
2023         (dot_original_deps_stmt_1): Same.
2024         (dot_transformed_deps_stmt_1): Same.
2025         (dot_original_deps): Same.
2026         (dot_transformed_deps): Same.
2028 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2030         * graphite-dependences.c (lexicographically_gt_p): Add comments.
2031         (build_lexicographically_gt_constraint): Same.
2032         (dependence_polyhedron_1): Same.
2033         (dependence_polyhedron): Same.
2035 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2037         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2038         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2039         (lexicographically_gt_p): Change type of direction to int.
2040         (build_lexicographically_gt_constraint): Same.
2041         (dependence_polyhedron_1): Same.
2042         (dependence_polyhedron): Same.
2043         (pddr_original_scattering): Use integers for direction.
2044         (pddr_transformed_scattering): Same.
2045         (graphite_legal_transform_dr): Same.
2046         (graphite_carried_dependence_level_k): Same.
2048 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2050         * graphite-dependences.c (build_pairwise_constraint): Renamed
2051         ppl_build_relation.  Moved...
2052         (dr_equality_constraints): Use ppl_build_relation.
2053         (build_pairwise_scheduling_equality): Same.
2054         (build_pairwise_scheduling_inequality): Same.
2055         * graphite-ppl.c (ppl_build_relation): ...here.
2056         * graphite-ppl.h (ppl_build_relation): Declared.
2058 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2060         PR middle-end/42681
2061         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2062         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2063         Set gloog_error when such an expression failed to be built.
2064         (translate_clast): Early return when gloog_error is set.
2065         (gloog): Clear gloog_error.  When gloog_error is set, call
2066         set_ifsese_condition to enable the original code.  Return the status
2067         of the code generation based on gloog_error.
2068         * sese.c (set_ifsese_condition): New.
2069         * sese.h (set_ifsese_condition): Declared.
2071         * g++.dg/graphite/pr42681.C: New.
2073 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2075         PR middle-end/42681
2076         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2077         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2078         Set gloog_error when such an expression failed to be built.
2079         (translate_clast): Early return when gloog_error is set.
2080         (gloog): Clear gloog_error.  When gloog_error is set, call
2081         set_ifsese_condition to enable the original code.  Return the status
2082         of the code generation based on gloog_error.
2083         * sese.c (set_ifsese_condition): New.
2084         * sese.h (set_ifsese_condition): Declared.
2086         * testsuite/g++.dg/graphite/pr42681.C: New.
2088 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2090         PR middle-end/42732
2091         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2092         rename_nb_iterations.
2093         * sese.c (rename_variables_in_operand): New.
2094         (rename_variables_in_expr): New.
2095         (rename_nb_iterations): New.
2096         (sese_adjust_liveout_phis): Update the rename_map.
2097         * sese.h (rename_nb_iterations): Declared.
2098         * tree-scalar-evolution.c (scev_reset_htab): New.
2099         (scev_reset): Call scev_reset_htab.
2100         * tree-scalar-evolution.h (scev_reset_htab): Declared.
2102         * gfortran.dg/graphite/pr42732.f: New.
2104 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2106         PR middle-end/42393
2107         * graphite-clast-to-gimple.c: Fix formatting.
2108         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2109         (expr_defined_in_loop_p): New.
2110         (add_loop_exit_phis): Also handle full expressions: remove from
2111         the rename_map the expressions defined in the loop that we're closing.
2113         * gfortran.dg/graphite/pr42393-1.f90: New.
2114         * gfortran.dg/graphite/pr42393.f90: Add new flags
2115         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2116         make this testcase useful in the Graphite branch.
2118 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2120         PR middle-end/42393
2121         * graphite-clast-to-gimple.c: Fix formatting.
2122         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2123         (expr_defined_in_loop_p): New.
2124         (add_loop_exit_phis): Also handle full expressions: remove from
2125         the rename_map the expressions defined in the loop that we're closing.
2127         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
2128         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
2129         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2130         make this testcase useful in the Graphite branch.
2132 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2134         * graphite-scop-detection.c (exclude_component_ref): Removed.
2135         (is_simple_operand): Removed.
2136         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
2138 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2140         PR middle-end/42221
2141         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2142         the array indexing of ADDR_EXPRs.
2144         * gcc.dg/graphite/pr42221.c: New.
2146 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2148         PR middle-end/42221
2149         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2150         the array indexing of ADDR_EXPRs.
2152         * testsuite/gcc.dg/graphite/pr42221.c: New.
2154 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2156         PR middle-end/42521
2157         * graphite.c (graphite_finalize): Call scev_reset.
2158         (graphite_transform_loops): Do not call scev_reset between the code
2159         generation of scops.
2161         * gcc.dg/graphite/pr42521.c: New.
2163 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2165         * graphite-interchange.c (memory_stride_in_loop): Renamed
2166         pdr_stride_in_loop.
2167         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2168         (memory_strides_in_loop): Memoize the memory strides per loop.
2169         (lst_interchange_profitable_p): Do not initialize to zero the memory
2170         strides.
2171         * graphite-poly.h (struct lst): Add a field memory_strides.
2172         (LST_LOOP_MEMORY_STRIDES): New.
2173         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2174         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2176 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2178         * graphite-interchange.c (memory_stride_in_loop): Renamed
2179         pdr_stride_in_loop.
2180         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2181         (memory_strides_in_loop): Memoize the memory strides per loop.
2182         (lst_interchange_profitable_p): Do not initialize to zero the memory
2183         strides.
2184         * graphite-poly.h (struct lst): Add a field memory_strides.
2185         (LST_LOOP_MEMORY_STRIDES): New.
2186         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2187         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2189 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2191         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2192         memory_strides_in_loop.  Gather memory strides on a whole loop.
2193         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2194         (lst_interchange_profitable_p): Removed.
2195         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
2197 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2199         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2200         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2201         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2202         Remove context_loop and level.
2204 2010-01-07  Richard Guenther  <rguenther@suse.de>
2206         PR tree-optimization/42641
2207         * sese.c (rename_map_elt_info): Use the SSA name version, do
2208         not hash pointers.
2210 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2212         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2213         blocked" only when both the strip mine and the interchange have
2214         been applied.
2216         * gcc.dg/graphite/block-2.c: Removed.
2217         * gcc.dg/graphite/block-3.c: Add scan pattern.
2218         * gcc.dg/graphite/block-4.c: Same.
2219         * gcc.dg/graphite/block-5.c: Same.
2220         * gcc.dg/graphite/block-6.c: Same.
2222 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2224         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2225         before allocating a new one.
2226         (copy_renames): Check that slot is not NULL.
2227         (mark_bb_with_pbb): Same.
2228         (compute_cloog_iv_types_1): Same.
2229         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2230         nest, and after LSTs.
2231         (lst_try_interchange_loops): Same.
2233 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2235         PR middle-end/42178
2236         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2237         the before, nest, and after LSTs.
2238         (lst_try_interchange): Removed.
2239         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2240         were modified.
2241         (lst_interchange_select_outer): Apply interchange on the outer loop
2242         until there are no more changes in the inner loops.
2244 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2246         Revert patch fixing PR middle-end/42221.
2248 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2250         PR middle-end/42180
2251         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2252         GIMPLE_CALL.
2254         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2256 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2258         PR middle-end/42180
2259         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2260         that contain only one statement.
2262         * gfortran.dg/graphite/pr42180.f90: New.
2264 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2266         PR middle-end/42393
2267         * gfortran.dg/graphite/pr42393.f90: New.
2269 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2271         PR middle-end/42186
2272         * gfortran.dg/graphite/pr42186.f90: New.
2274 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2276         PR middle-end/42186
2277         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
2279 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2281         PR middle-end/42205
2282         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2283         Insert the reduction copy in the same block as the phi node.
2284         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2286         * gcc.dg/graphite/pr42205-1.c: New.
2287         * gcc.dg/graphite/pr42205-2.c: New.
2289 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2291         PR middle-end/42221
2292         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2293         the array indexing of ADDR_EXPRs.
2295         * gcc.dg/graphite/pr42221.c: New.
2297 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2299         PR middle-end/42178
2300         PR middle-end/42334
2301         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2302         index.  Call lst_interchange_select_inner only once.
2303         (lst_interchange_select_inner): Update use of lst_try_interchange.
2304         (lst_interchange_select_outer): Update.
2306 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2308         PR middle-end/42178
2309         PR middle-end/42334
2310         * graphite-interchange.c (lst_try_interchange): Do not increment the
2311         the OUTER index when there is no AFTER kernel.  Do not increment the
2312         OUTER index for after processing the AFTER kernel.
2313         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2314         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2315         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2316         (scop_do_interchange): Update use of lst_interchange_select_outer.
2318         * gfortran.dg/graphite/graphite.exp
2319         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2320         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2321         the graphite dump file.
2322         * gfortran.dg/graphite/interchange-2.f: Same.
2323         * gfortran.dg/graphite/pr42334-1.f: New.
2325 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2327         PR middle-end/42178
2328         PR middle-end/42334
2329         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2330         that are empty.
2331         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2332         (lst_try_interchange): Reimplemented.
2333         (lst_interchange_select_inner): Same.
2334         (lst_do_interchange): Renamed lst_interchange_select_outer.
2335         Reimplemented.
2336         (scop_do_interchange): Update use of lst_interchange_select_outer.
2338         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2339         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2340         * gcc.dg/graphite/pr42211.c: New.
2341         * gfortran.dg/graphite/pr42334.f90: New.
2343 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2345         PR middle-end/42181
2346         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2347         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2349         * gfortran.dg/graphite/pr42181.f90: New.
2351 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2353         PR middle-end/42284
2354         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2355         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2356         (detect_commutative_reduction_arg): Simplified.
2357         (detect_commutative_reduction): Early return when the argument of
2358         the close phi is not of an SSA_NAME.
2360         * gcc.dg/graphite/pr42284.c: New.
2362 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2364         * dbgcnt.def (graphite_scop): New counter.
2365         * graphite.c: Include dbgcnt.h
2366         (graphite_transform_loops): Use new counter to limit transformations.
2368 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2370         PR middle-end/42285
2371         * graphite-scop-detection.c (graphite_can_represent_init): Also
2372         handle more complex MULT_EXPRs containing parameters by recursion
2373         on the structure.
2375         * gfortran.dg/graphite/pr42285.f90: New.
2377 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2379         * g++.dg/graphite/pr42130.C: Fix type.
2381 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2383         * g++.dg/graphite/pr42130.C: Correct testcase.
2385 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2387         * Merge from mainline (154493:154734).
2389 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2391         * Merge from mainline (151362:154491).
2393 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2395         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2396         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2398 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2400         PR middle-end/42130
2401         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2402         translate_clast_for_loop): New.
2403         (translate_clast_for): Add a condition around the loop, to do not
2404         execute loops with zero iterations.
2405         * g++.dg/graphite/pr42130.C: New.
2406         * gcc.dg/graphite/pr35356-2.c: Adapt.
2408 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2410         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2411         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2412         Remove context_loop and level.
2414 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2416         * graphite-clast-to-gimple.c (translate_clast_user,
2417         translate_clast_for, translate_clast_guard): Simplify and move common
2418         elements to translate_clast().
2419         (translate_clast): Simplify and get common elements.
2421 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2423         * graphite-clast-to-gimple.c (translate_clast_user,
2424         translate_clast_for, translate_clast_guard): Split out of
2425         translate_clast.
2427 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2429         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2430         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2431         debug_clast_name_indexes_1, debug_clast_name_indexes,
2432         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2433         (clast_name_to_gcc, clast_to_gcc_expression,
2434         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2435         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2436         graphite_create_guard_cond_expr, graphite_create_new_loop,
2437         translate_clast): Add params_index.
2438         (initialize_cloog_names): Create parameter strings from scratch, do
2439         not reference other strings.
2440         (create_params_index): New.
2441         (gloog): Initialize params_index.
2442         * graphite-scop-detection (free_scops_1): Removed.
2443         (limit_scops): Use normal free_scops.
2444         * graphite-sese-to-poly.c (save_var_names): Removed.
2445         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2446         and SESE_PARAMS_INDEX.
2447         * sese.c (new_sese, free_sese): Dito.
2448         * sese.h (struct sese): Remove params_index, params_names.
2449         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2451 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2453         Revert the following patch from 2009-09-14:
2454         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2455         tree-scalar-evolution.h, and then tree-data-ref.h.
2456         * graphite-clast-to-gimple.c: Same.
2457         * graphite-dependences.c: Same.
2458         * graphite-interchange.c: Same.
2459         * graphite-poly.c: Same.
2460         * graphite-scop-detection.c: Same.
2461         * graphite-sese-to-poly.c: Same.
2462         * graphite.c: Same.
2463         * lambda-code.c: Same.
2464         * matrix-reorg.c: Same.
2465         * tree-data-ref.c: Same.
2466         * tree-if-conv.c: Same.
2467         * tree-loop-distribu: Same.: Same.
2468         * tree-loop-linear.c: Same.
2469         * tree-parloops.c: Same.
2470         * tree-predcom.c: Same.
2471         * tree-vect-patterns.c: Same.
2473 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2475         Revert patch from 2009-09-14.
2476         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2477         passes at -O1 and below.
2479 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2481         PR middle-end/40281
2482         * gcc.dg/graphite/pr40281.c: New.
2484         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2485         evolutions should not variate in inner loops.
2487 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2489         PR middle-end/42050
2490         * gfortran.dg/graphite/pr42050.f90: New.
2492 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2494         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2495         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2497 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2499         * graphite-blocking.c (scop_do_block): New.
2500         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2501         * graphite-poly.h (scop_do_block): Declared.
2503 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2505         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2506         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2507         to transform depth into the time_depth before calling
2508         pbb_number_of_iterations_at_time.
2509         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2510         lst_depth.
2512 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2514         Reverted the patch for "scattering permutations" from 2009-10-28.
2516         * graphite-poly.c (print_permutation): New.
2517         (debug_permutation): New.
2518         (new_poly_bb): Initialize PBB_PERMUTATION.
2519         (free_poly_bb): Free PBB_PERMUTATION.
2520         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2521         (struct pbb_permutation_elt): New.
2522         (PBB_PERMUTATION_ELT_STRIDE): New.
2523         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2524         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2525         (new_pbb_permutation_elt): New.
2526         (pbb_permutation_elt_free): New.
2527         (struct poly_bb): Add field permutation.
2528         (PBB_PERMUTATION): New.
2529         (print_permutation): Declared.
2530         (debug_permutation): Declared.
2532 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2534         * graphite-interchange.c (build_partial_difference): New.
2535         (memory_stride_in_loop): Refactored the computation of
2536         equality constraints into build_partial_difference function.
2537         Added support for debugging stride computations.
2539 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2541         * graphite-clast-to-gimple.c (gloog): Free if_region,
2542         if_region->true_region, and if_region->region.
2543         * sese.c (if_region_set_false_region): Free if_region->false_region.
2544         (create_if_region_on_edge): Do not use GGC_NEW.
2545         (move_sese_in_condition): Remove useless initialization.
2547 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2549         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2550         for the loops created by the loop distribution.  Do not modify the
2551         input LSTs.
2552         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2553         transformed schedule.  Call lst_update_scattering before data
2554         dependence analysis.
2555         (lst_try_interchange): Pass an extra parameter INDEX.
2556         (lst_do_interchange_1): New.
2557         (lst_do_interchange): Call lst_do_interchange_1.
2558         (scop_do_interchange): Call lst_update_scattering.
2559         * graphite-poly.c (apply_poly_transforms): Do not call
2560         lst_update_scattering.
2561         * graphite-poly.h (lst_pred): New.
2562         (lst_succ): New.
2563         (lst_find_first_pbb): Return NULL when not found.
2564         (lst_empty_p): New.
2565         (lst_insert_in_sequence): Allow LST1 to be NULL.
2566         (lst_replace): New.
2567         (lst_substitute_3): New.
2568         * gcc.dg/graphite/interchange-1.c: XFail.
2569         * gcc.dg/graphite/interchange-8.c: XFail.
2570         * gcc.dg/graphite/interchange-11.c: XFail.
2572 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2574         * graphite-interchange.c (lst_perfectly_nested_p): New.
2575         (lst_perfect_nestify): New.
2576         (lst_try_interchange_loops): Call store_lst_schedule,
2577         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2578         (scop_do_interchange): Avoid redundant legality test.
2579         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2580         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2581         * graphite-poly.h (psct_static_dim): New.
2582         (lst_dewey_number_at_depth): New.
2583         (lst_find_pbb): Restructured.
2584         (lst_find_first_pbb): Restructured.
2585         (lst_find_last_pbb): New.
2586         (lst_contains_p): New.
2587         (lst_contains_pbb): New.
2588         (lst_create_nest): New.
2589         (lst_remove_from_sequence): New.
2590         (pbb_update_scattering): New.
2591         (lst_update_scattering_under): New.
2592         (lst_update_scattering_seq): New.
2593         (lst_update_scattering): New.
2594         (lst_insert_in_sequence): New.
2595         (lst_distribute_lst): New.
2596         (lst_remove_all_before_including_pbb): New.
2597         (lst_remove_all_before_excluding_pbb): New.
2599 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2601         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2602         get_loop_exit_edges.
2604 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2606         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2608 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2610         * graphite-poly.c (print_permutation): New.
2611         (debug_permutation): New.
2612         (new_poly_bb): Initialize PBB_PERMUTATION.
2613         (free_poly_bb): Free PBB_PERMUTATION.
2614         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2615         (struct pbb_permutation_elt): New.
2616         (PBB_PERMUTATION_ELT_STRIDE): New.
2617         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2618         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2619         (new_pbb_permutation_elt): New.
2620         (pbb_permutation_elt_free): New.
2621         (struct poly_bb): Add field permutation.
2622         (PBB_PERMUTATION): New.
2623         (print_permutation): Declared.
2624         (debug_permutation): Declared.
2626 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2628         * graphite-clast-to-gimple.c (gloog): Do not call
2629         sese_reset_aux_in_loops.
2630         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2631         extra argument for domains.  Do not use loop->aux.
2632         (build_scop_iteration_domain): Initialize and free domains, pass it
2633         to build_loop_iteration_domains and extract the information from
2634         domains.  Do not use loop->aux.
2635         * sese.c (sese_reset_aux_in_loops): Removed.
2636         * sese.h (sese_reset_aux_in_loops): Removed.
2638 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2640         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2641         (dependency_in_loop_p): Same.
2642         (translate_clast): Do not use loop->aux.  Initialize
2643         loop->can_be_parallel.
2644         (mark_loops_parallel): Removed.
2645         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2646         * graphite.c (free_aux_in_new_loops): Removed.
2647         (graphite_finalize): Do not call free_aux_in_new_loops.
2648         (graphite_transform_loops): Do not call mark_loops_parallel.
2650 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2652         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2653         (translate_clast): Pass an extra parameter LEVEL.
2654         Call get_scattering_level.
2655         * graphite-clast-to-gimple.h (get_scattering_level): New.
2657 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2659         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2660         * cfgloop.h (struct loop): New field single_iv.
2662         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2663         loop->aux anymore: use loop->single_iv.
2664         (graphite_loop_normal_form): Moved...
2665         (build_graphite_loop_normal_form): Removed.
2666         (gloog): Do not call build_graphite_loop_normal_form.
2667         (free_aux_in_new_loops): Moved...
2668         (mark_loops_parallel): Restructure.
2669         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2670         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2671         (scop_canonicalize_loops): New.
2672         (build_poly_scop): Call scop_canonicalize_loops.
2673         * graphite.c (free_aux_in_new_loops): ...here.
2675 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2677         * g++.dg/graphite/graphite.exp: Add the same rules as in
2678         gcc.dg/graphite/graphite.exp.
2680 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2682         * g++.dg/graphite/id-1.C: New.
2684 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2686         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2687         argument base_name.
2688         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2689         (rewrite_phi_out_of_ssa): Same.
2690         (rewrite_cross_bb_scalar_deps): Same.
2691         (translate_scalar_reduction_to_array): Same.
2693 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2695         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2696         dump_alias_graphs.
2698 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2700         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2701         (build_scop_drs): Call dump_alias_graphs.
2703 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2705         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2706         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2707         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2708         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2709         * graphite-poly.h (free_lst): New.
2710         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2711         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2713 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2715         * graphite-poly.h (struct scop): Add a field saved_schedule.
2716         (SCOP_SAVED_SCHEDULE): New.
2717         (store_lst_schedule): New.
2718         (restore_lst_schedule): New.
2719         (store_scattering): Call store_lst_schedule.
2720         (restore_scattering): Call restore_lst_schedule.
2722 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2724         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2725         (pdr_add_alias_set): Same.
2726         (build_poly_dr): Same.
2727         (build_alias_set_optimal_p): Same.
2728         (build_base_obj_set_for_drs): Same.  Do not store the result of
2729         graphds_dfs.
2731 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2733         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2734         all_components_are_cliques to 1.
2736 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2738         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2739         the new structure.
2740         (pdr_add_alias_set): Update retrieving alias_set_num.
2741         (build_poly_dr): Update retrieving dr_base_object_set.
2742         (partition_drs_to_sets): Remove.
2743         (build_alias_set_optimal_p): New.
2744         (build_alias_set_for_drs): Rename.
2745         (build_scop_drs): Update.
2746         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2747         (ALIAS_SET_INDEX): Remove.
2748         (BASE_OBJECT_SET_INDEX): Remove.
2750 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2752         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2754 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2756         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2757         loop upper bounds for 1-element arrays at end of structures.
2758         * tree-flow.h (array_at_struct_end_p): Declared.
2759         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2761 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2763         * g++.dg/graphite/pr41305.C: New.
2765 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2767         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2768         construction of parameter constraints from loop iteration analysis.
2769         * gcc.dg/graphite/run-id-2.c: New test.
2771 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2773         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2774         and new_cstr.
2776 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2778         * graphite-dependences.c (dependence_polyhedron_1): Remove
2779         unused gdim dimensions from the DDR polyhedron.
2781 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2783         * graphite-dependences.c (pddr_transformed_scattering): New.
2784         (dot_original_deps_stmt_1): New.
2785         (dot_transformed_deps_stmt_1): New.
2786         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2787         dot_transformed_deps_stmt_1.
2788         (dot_original_deps): New.
2789         (dot_transformed_deps): New.
2790         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2792 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2794         * graphite-dependences.c (reduction_dr_1): Remove wrong
2795         assert: reduction BBs can have multiple reduction writes
2796         to memory.  interchange-3.f90 is an example.
2798 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2800         * gfortran.dg/graphite/interchange-3.f90: New.
2802 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2804         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2806 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2808         * graphite-dependences.c (dependence_polyhedron_1): Add the
2809         context to the dependence polyhedron.
2811 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2813         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2814         PBB_PDR_DUPLICATES_REMOVED.
2815         (new_poly_bb): Same.
2817 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2819         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2820         SCOP_CONTEXT.
2821         (build_loop_iteration_domains): Extract bounds on parameters
2822         based on the data size.
2823         (build_scop_context): Do not initialize SCOP_CONTEXT;
2824         add new constraints.
2826 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2828         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2829         * graphite-ppl.h (graphite-ppl.h): Declared.
2831 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2833         * graphite-ppl.c (ppl_print_linear_expr): New.
2834         (debug_ppl_linear_expr): New.
2835         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2836         (debug_ppl_linear_expr): Declared.
2838 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2840         * graphite-interchange.c: Fix comments.
2841         * gcc.dg/graphite/block-1.c: Fix comments.
2843 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2845         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2846         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2848 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2850         Reapply the patch from Alexander Monakov that disappeared during
2851         the last merges from trunk.
2853         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2855         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2856         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2858 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2860         * graphite-interchange.c (memory_stride_in_loop): The depth
2861         argument corresponds to a dynamic time dimension, so use
2862         psct_dynamic_dim to refer to the transformed scattering dimension.
2864 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2866         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2868 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2870         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2871         root of the LST.
2872         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2873         the root of the LST.
2874         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2875         fake loop.
2876         (print_lst): Print the root of LST in a different format.
2877         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2879 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2881         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2883 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2885         * doc/passes.texi: Document the Graphite infrastructure.
2887 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2889         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2890         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2891         and check the SSA representation.
2893         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2895 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2897         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2899 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2901         * gcc.dg/graphite/interchange-11.c: New.
2903 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2905         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2907 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2909         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2910         Add -fno-loop-strip-mine and -fno-loop-interchange.
2911         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2912         -fno-loop-strip-mine.
2913         * gfortran.dg/graphite/graphite.exp: Same.
2915 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2917         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2918         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2919         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2920         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2921         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2922         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2923         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2924         DEFAULT_FLAGS_GRAPHITE_SCOP.
2925         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2926         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2928 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2930         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2932 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2933             Sebastian Pop  <sebastian.pop@amd.com>
2935         * graphite-interchange.c (build_linearized_memory_access): Pass an
2936         offset as parameter.
2937         (memory_stride_in_loop): Include transform scattering in the
2938         access functions to be able to querry the strides in the
2939         transformed loops.
2940         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2941         not the psct_iterator_dim.
2943 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2945         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2946         (lst_do_strip_mine_loop): New.
2947         (lst_do_strip_mine): New.
2948         (scop_do_strip_mine): Call lst_do_strip_mine.
2949         * graphite-poly.h (lst_add_loop_under_loop): New.
2950         (lst_find_first_pbb): New.
2952 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2954         * graphite-poly.c (loop_to_lst): Fix LST creation.
2956 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2958         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2959         sizeof(unsigned long) to make it run on 32bit systems.
2961 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2963         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2964         SEGFAULT on 32bit.
2966 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2968         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2969         Comment.
2970         (write_alias_graph_to_ascii_dot): New.
2971         (write_alias_graph_to_ascii_ecc): Ditto.
2972         (partition_drs_to_sets): Add testing of optimality of current method
2973         which assigns alias numbers according to DFS Comopnent number.  used
2974         as heuristic for the upcoming ECC algorithm.
2975         (build_scop_drs): Write to file also with the ecc and dot format.
2977 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2979         * gfortran.dg/graphite/interchange-1.f: XFail.
2981 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2983         * graphite.c (graphite_initialize): Do not handle functions with
2984         more than 100 basic blocks.
2986 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2988         * graphite-blocking.c (pbb_do_strip_mine): Use
2989         PARAM_LOOP_BLOCK_TILE_SIZE.
2991 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2993         * graphite-poly.c (dot_lst_1): New.
2994         (dot_lst): New.
2995         * graphite-poly.h (dot_lst): Declared.
2997 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2999         * graphite-dependences.c (dot_deps_stmt_1): New.
3000         (dot_deps_stmt): New.
3001         * graphite-dependences.h (dot_deps_stmt): Declared.
3003 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3005         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
3006         not replace cross BB scalar dependences ending on PHI nodes.
3007         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
3009 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3011         * graphite-poly.c (apply_poly_transforms): Implement the high
3012         level driver for flag_loop_block.
3013         * opts.c (decode_options): Enable flag_loop_block at -O2.
3014         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
3015         flag_loop_block.
3017         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
3018         -floop-block.
3019         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3020         Add -floop-block.
3022 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3024         * graphite-poly.h (lst_find_pbb): New.
3025         (find_lst_loop): New.
3027 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3029         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
3030         * graphite-poly.h (struct scop): Remove dep_graph field.
3031         (SCOP_DEP_GRAPH): Removed.
3033 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3035         * graphite-poly.h (copy_lst): Do full copy of LST.
3037 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
3039         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
3040         when the loop stride is zero.
3042         * gcc.dg/graphite/id-16.c: New.
3044 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3046         * graphite-dependences.c (reduction_dr_1): New.
3047         (reduction_dr_p): New.
3048         (graphite_legal_transform_dr): Call reduction_dr_p.
3049         (reduction_ddr): Renamed reduction_ddr_p.
3050         * graphite-poly.h (same_pdr_p): New.
3051         (number_of_write_pdrs): New.
3052         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3053         (split_reduction_stmt): Do not split reduction statements
3054         when there are no writes to memory.
3055         (translate_scalar_reduction_to_array_for_stmt): Insert the
3056         memory reduction statement just after the scalar reduction statement.
3058         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3059         Un-XFAIL-ed.
3060         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3061         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3063 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3065         * graphite-interchange.c (lst_apply_interchange): New.
3066         (lst_interchange_profitable_p): New.
3067         (lst_try_interchange_loops): New.
3068         (lst_try_interchange): New.
3069         (lst_do_interchange): New.
3070         (pbb_do_interchange): Removed.
3071         (scop_do_interchange): Call lst_do_interchange.
3073 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3075         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3076         SCOP_TRANSFORMED_SCHEDULE.
3077         (loop_to_lst): New.
3078         (scop_to_lst): New.
3079         (print_lst): New.
3080         (debug_lst): New.
3081         * graphite-poly.h (lst_p): New.
3082         (struct lst): New.
3083         (LST_LOOP_P): New.
3084         (LST_LOOP_FATHER): New.
3085         (LST_PBB): New.
3086         (LST_SEQ): New.
3087         (scop_to_lst): Declared.
3088         (print_lst): Declared.
3089         (debug_lst): Declared.
3090         (new_lst_loop): New.
3091         (new_lst_stmt): New.
3092         (copy_lst): New.
3093         (lst_depth): New.
3094         (lst_dewey_number): New.
3095         (struct scop): Add original_schedule and transformed_schedule fields.
3096         (SCOP_ORIGINAL_SCHEDULE): New.
3097         (SCOP_TRANSFORMED_SCHEDULE): New.
3098         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3100 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3102         * graphite-dependences.c (reduction_ddr): New.
3103         (graphite_legal_transform_bb): Call reduction_ddr.
3104         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3105         Initialize PBB_IS_REDUCTION.
3106         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
3107         (PBB_IS_REDUCTION): New.
3108         (new_poly_bb): Update declaration.
3109         * graphite-scop-detection.h (build_scop_bbs): Removed.
3110         (nb_reductions_in_loop): Removed.
3111         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3112         parameter for reductions.
3113         (try_generate_gimple_bb): Update call to new_poly_bb.
3114         (build_scop_bbs_1): Same.
3115         (build_scop_bbs): Same.
3116         (gsi_for_phi_node): New.
3117         (scalar_close_phi_node_p): Remove gcc_assert.
3118         (split_reduction_stmt): New.
3119         (is_reduction_operation_p): New.
3120         (phi_contains_arg): New.
3121         (follow_ssa_with_commutative_ops): New.
3122         (detect_commutative_reduction_arg): New.
3123         (detect_commutative_reduction_assign): New.
3124         (follow_inital_value_to_phi): New.
3125         (edge_initial_value_for_loop_phi): New.
3126         (initial_value_for_loop_phi): New.
3127         (detect_commutative_reduction): New.
3128         (translate_scalar_reduction_to_array_for_stmt): New.
3129         (insert_copyout): New.
3130         (insert_copyin): New.
3131         (translate_scalar_reduction_to_array): New.
3132         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3133         (rewrite_commutative_reductions_out_of_ssa_loop): New.
3134         (rewrite_commutative_reductions_out_of_ssa): New.
3135         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3136         * sese.h (split_region_for_bb): New.
3138         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3139         * gcc.dg/graphite/interchange-1.c: Fix format.
3140         * gcc.dg/graphite/interchange-10.c: New.
3142 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3144         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3145         buggy assert.
3147 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3149         * graphite-sese-to-poly.c (scev_analyzable_p): New.
3150         (rewrite_cross_bb_scalar_dependence): New.
3151         (rewrite_cross_bb_scalar_deps): New.
3152         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3153         Call rewrite_cross_bb_scalar_deps.
3155 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3157         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3158         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
3159         gsi_for_stmt.
3161 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3163         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3164         * graphite-interchange.c (pbb_do_interchange): Same.
3165         * graphite-poly.c (print_scattering_function): Same.
3166         (debug_pdrs): Same.
3167         * graphite-poly.h (pbb_loop): New.
3168         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3170 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3172         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3174 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3176         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3177         so don't pass a pointer to it.
3178         (build_alias_set_for_drs): Same.
3179         (build_base_obj_set_for_drs): Same.
3180         (build_scop_drs): Same.
3182 2009-09-26  Li Feng  <nemokingdom@gmail.com>
3184         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3185         the alias graph of data references.
3187 2009-09-25  Li Feng  <nemokingdom@gmail.com>
3189         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3190         (build_scop_drs): When debugging, write the alias graph to file,
3191         otherwise, should be disabled.
3193 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3195         * Merge from mainline (151310:151361).
3197 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3199         * Merge from mainline (151171:151310).
3201 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3203         * Merge from mainline (151171:151806).
3205 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3207         * Revert the last commit.
3209 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3211         * Merge from mainline (151171:151819).
3213 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3215         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3216         (is_simple_operand): Remove call to stmt_simple_memref_p.
3217         (stmt_simple_for_scop_p): Update call to is_simple_operand.
3219 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
3221         * gcc.dg/graphite/interchange-mvt.c: New File.
3222         * gcc.dg/graphite/scop-dsyrk.c: New File.
3223         * gcc.dg/graphite/scop-dsyr2k.c: New File.
3224         * gcc.dg/graphite/scop-mvt.c: New File.
3225         * gcc.dg/graphite/scop-sor.c: New File.
3227 2009-09-17 Li Feng  <nemokingdom@gmail.com>
3229         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3230         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3231         (graphite_carried_dependence_level_k): Ditto.
3232         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3233         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3234         (new_poly_dr): Adjust declaration.
3235         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3236         (free_gimple_bb): Added free_data_refs_aux.
3237         (build_poly_dr): Add dr_base_object_set.
3238         (partition_drs_to_sets): New.
3239         (dr_same_base_object_p): New.
3240         (build_alias_set_for_drs): New.
3241         (build_base_object_set_for_drs): New.
3242         (build_scop_drs): Add build_base_obj_set_for_drs.
3243         * graphite-sese-to-poly.h: Added #define for alias set number index and
3244         base object set index.
3245         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3246         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3248 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3250         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3251         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3253 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3255         * graphite-sese-to-poly.c (struct irp_data): Removed.
3256         (idx_record_params): Removed.
3257         (find_params_in_bb): Scan for parameters the access functions; don't
3258         parse the tree representation.
3260 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3262         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3263         passes at -O1 and below.
3265 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3267         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3268         tree-scalar-evolution.h, and then tree-data-ref.h.
3269         * graphite-clast-to-gimple.c: Same.
3270         * graphite-dependences.c: Same.
3271         * graphite-interchange.c: Same.
3272         * graphite-poly.c: Same.
3273         * graphite-scop-detection.c: Same.
3274         * graphite-sese-to-poly.c: Same.
3275         * graphite.c: Same.
3276         * lambda-code.c: Same.
3277         * matrix-reorg.c: Same.
3278         * tree-data-ref.c: Same.
3279         * tree-if-conv.c: Same.
3280         * tree-loop-distribu: Same.: Same.
3281         * tree-loop-linear.c: Same.
3282         * tree-parloops.c: Same.
3283         * tree-predcom.c: Same.
3284         * tree-vect-patterns.c: Same.
3286 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3288         Partially revert the previous patch, except the following.
3289         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3290         as parameters the operands of the not expression.
3292 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3294         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3295         Do not call analyze_scalar_evolution on assignments.
3296         (instantiate_scev_phi): Call analyze_scalar_evolution.
3297         (instantiate_scev_name): Call instantiate_scev_assign and
3298         instantiate_scev_phi.
3299         (instantiate_scev_not): Adapted to pass as parameters the operands
3300         of the not expression.
3302 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3304         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3305         to pass as parameters the operands of the binary expression.
3307 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3309         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3310         instantiate_scev_not.  Handle NEGATE_EXPR.
3311         (instantiate_scev_r): Handle NEGATE_EXPR.
3313 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3315         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3316         instantiate_scev_r.
3317         (instantiate_scev_r): Move code in instantiate_scev_2
3318         and instantiate_scev_1.
3320 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3322         * tree-scalar-evolution.c (instantiate_scev_3): New.
3323         (instantiate_scev_1): Move code in instantiate_scev_3.
3325 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3327         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3328         (instantiate_scev_1): Move code in instantiate_scev_poly.
3330 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3332         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3333         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3335 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3337         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3338         (instantiate_scev_1): Move code in instantiate_scev_convert.
3340 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3342         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3343         (instantiate_scev_1): Move code in instantiate_scev_binary.
3345 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3347         * tree-scalar-evolution.c (instantiate_scev_name): New.
3348         (instantiate_scev_1): Move code in instantiate_scev_name.
3350 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3352         * Merge from mainline (150992:151171).
3354 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3356         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3358 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3360         * graphite-dependences.c (graphite_legal_transform_bb): Call
3361         pbb_remove_duplicate_pdrs.
3362         * graphite-poly.c (can_collapse_pdr): Removed.
3363         (pdr_find_duplicate): Removed.
3364         (can_collapse_pdrs): New.
3365         (pbb_remove_duplicate_pdrs): New.
3366         (new_poly_dr): Do not look for duplicates.
3367         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3368         (PBB_PDR_DUPLICATES_REMOVED): New.
3369         (pbb_remove_duplicate_pdrs): Declared.
3371 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3373         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3374         the strides by multiplying by PDR_NB_REFS.
3375         * graphite-poly.c (can_collapse_pdr): New.
3376         (pdr_find_duplicate): New.
3377         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3378         Initialize PDR_NB_REFS.
3379         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3380         (PDR_NB_REFS): New.
3381         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3383 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3385         Revert one of the previous commits:
3386         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3387         the computation of symmetric data dependence relations.
3388         (dependency_between_pbbs_p): Same.
3390 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3392         PR middle-end/40965
3393         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3394         any transform.
3396 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3398         * graphite-dependences.c (pddr_original_scattering): Return NULL
3399         for read-read dependence relations.
3400         * graphite-poly.h (enum poly_dr_type): Fix comment.
3401         (pdr_read_p): New.
3402         (pdr_write_p): New.
3403         (pdr_may_write_p): New.
3405 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3407         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3408         (struct poly_dr): Same.
3409         (new_poly_dr): Same.
3410         * graphite-poly.c (new_poly_dr): Same.
3412 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3413             Sebastian Pop  <sebastian.pop@amd.com>
3415         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3416         pbb_strip_mine_time_depth.  Changed the implementation so that
3417         transformation is expressed as a transformation on
3418         time (scatttering) dimensions.  Also, ensures that the 2d+1
3419         scheduling format is preserved.
3420         (pbb_strip_mine_profitable_p): Profitability is based on the
3421         iteration number of a given time (scattering) dimension,
3422         and not on a original loop depth dimension.
3423         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3424         (pbb_do_strip_mine): Call psct_dynamic_dim.
3425         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3426         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3427         (pbb_nb_dynamic_scattering_transform): New.
3428         (psct_dynamic_dim): New.
3430 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3432         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3433         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3434         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3435         * graphite-interchange.c (build_linearized_memory_access): Same.
3436         (memory_stride_in_loop): Same.
3438 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3440         * graphite-dependences.c (pddr_original_scattering): New.
3441         (graphite_legal_transform_dr): Call pddr_original_scattering.
3442         (dot_deps_1): New.
3443         (dot_deps): New.
3444         * graphite-dependences.h (dot_deps): Declared.
3445         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3446         (print_pdr): Print PDR_ID.
3447         * graphite-poly.h (struct poly_dr): Add field id.
3448         (PDR_ID): New.
3449         (pbb_index): New.
3450         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3452 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3454         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3455         not delete the original dependence relation.
3457 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3459         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3460         the computation of symmetric data dependence relations.
3461         (dependency_between_pbbs_p): Same.
3463 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3465         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3466         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3467         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3468         (free_poly_ddr): New.
3469         (pddr_is_empty): New.
3470         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3471         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3472         Remove fprintfs.
3473         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3474         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3475         * graphite-dependences.h (enum poly_dependence_kind): New.
3476         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3477         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3478         (PDRP_SINK): Renamed PDDR_SINK.
3479         (PDRP_DDP): Renamed PDDR_DDP.
3480         (PDDR_KIND): New.
3481         (free_poly_ddr): Declared.
3482         * graphite-poly.c (new_scop): Use the new hash function names.
3483         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3484         into original_pddrs.
3485         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3487 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3489         * Merge from mainline (150764:150992).
3491 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3493         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3494         bounds with LT_EXPR to make niter analysis more precise on code
3495         generated by Graphite.
3497 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3499         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3500         (graphite_legal_transform_bb): Same.
3501         (poly_drs_may_alias_p): Same.
3503 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3505         PR middle-end/40981
3506         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3507         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3509 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3511         * graphite-poly.c (print_pbb): Print PBB index.
3513 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3515         * Merge from mainline (r150672:150764).
3517 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3519         * graphite-interchange.c (ppl_max_for_le): Moved...
3520         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3521         * graphite-ppl.c (ppl_max_for_le): ... here.
3522         * graphite-ppl.h (ppl_max_for_le): Declared.
3524 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3526         * Merge from mainline (r150372:150672).
3528 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3530         PR middle-end/40980
3531         * sese.c (convert_for_phi_arg): New.
3532         (add_guard_exit_phis): Use convert_for_phi_arg.
3534         * gfortran.dg/graphite/id-17.f: New.
3536 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3538         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3539         unknown subscript upper bounds.
3541         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3543 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3544             Pranav Garg  <pranav.garg2107@gmail.com>
3546         * graphite-interchange.c (gather_access_strides): Removed.
3547         (ppl_max_for_le): New.
3548         (build_linearized_memory_access): New.
3549         (memory_stride_in_loop): New.
3550         (pbb_interchange_profitable_p): Reimplemented.
3551         * graphite-ppl.h (ppl_new_id_map): New.
3552         (ppl_interchange): New.
3554         * gcc.dg/graphite/interchange-6.c: XFAILed.
3556 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3558         * graphite-interchange.c (compute_subscript): Removed.
3559         (compute_array_size_cstr): Removed.
3560         (compute_array_size_poly): Removed.
3561         (compute_array_size): Removed.
3562         (gather_access_strides_poly): Removed.
3563         (gather_access_strides): Empty.
3565 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3567         * graphite-dependences.c (dependence_polyhedron_1): Replace
3568         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3569         (graphite_legal_transform_dr): Same.
3570         (graphite_carried_dependence_level_k): Same.
3571         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3572         Initialize PDR_NB_SUBSCRIPTS.
3573         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3574         PDR_NB_SUBSCRIPTS.
3575         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3576         (PDR_NB_SUBSCRIPTS): New.
3577         (pdr_nb_subscripts): Removed.
3578         (pdr_dim): Simplified.
3579         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3580         with PDR_NB_SUBSCRIPTS.
3582 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3584         * graphite-interchange.c (compute_array_size): Remove use of
3585         PDR_DATA_CONTAINER.
3586         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3587         Do not initialize PDR_DATA_CONTAINER.
3588         (print_pdr): Do not print PDR_DATA_CONTAINER.
3589         * graphite-poly.h (struct poly_dr): Remove data_container field.
3590         (PDR_DATA_CONTAINER): Removed.
3591         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3592         PDR_DATA_CONTAINER.
3593         (build_poly_dr): Same.
3595 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3597         * gcc.dg/graphite/interchange-9.c: New.
3599 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3600             Sebastian Pop  <sebastian.pop@amd.com>
3602         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3603         copy of the dependence polyhedron.  Free the temporary objects.
3604         (graphite_carried_dependence_level_k): Free unused objects before
3605         returning.
3607         * gcc.dg/graphite/interchange-1.c: XFAILed.
3608         * gcc.dg/graphite/interchange-2.c: XFAILed.
3609         * gcc.dg/graphite/interchange-3.c: XFAILed.
3610         * gcc.dg/graphite/interchange-4.c: XFAILed.
3611         * gcc.dg/graphite/interchange-7.c: XFAILed.
3613 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3615         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3616         Early return without analyzing the data dependences if no
3617         transform has been done.  Call restore_scattering if the transform
3618         is not legal.
3619         (graphite-interchange.c): Same.
3620         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3621         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3622         (apply_poly_transforms): Do not gcc_assert that
3623         the transform is legal.
3624         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3625         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3626         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3627         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3628         * graphite-poly.h (struct poly_scattering): New.
3629         (struct poly_bb): Add original, transformed, and saved fields.
3630         Remove transformed_scattering, original_scattering, nb_local_variables,
3631         and nb_scattering_transform fields.
3632         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3633         (poly_scattering_new): New.
3634         (poly_scattering_free): New.
3635         (poly_scattering_copy): New.
3636         (store_scattering_pbb): New.
3637         (store_scattering): New.
3638         (restore_scattering_pbb): New.
3639         (restore_scattering): New.
3640         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3641         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3643 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3645         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3646         (print_scop): Same.
3648 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3650         * Makefile.in (graphite.o): Depends on PREDICT_H.
3651         * graphite.c: Include predict.h.
3652         (graphite_finalize): Call tree_estimate_probability.
3653         * predict.c (predict_loops): Do not call scev_initialize and
3654         scev_finalize.
3655         (tree_estimate_probability_bb): New.
3656         (tree_estimate_probability): Do not initialize loops: move that
3657         code to the driver.  Call tree_estimate_probability_bb.
3658         (tree_estimate_probability_driver): New.
3659         (pass_profile): Use tree_estimate_probability_driver.
3660         * predict.h (tree_estimate_probability): Declared.
3662 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3664         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3665         * graphite-dependences.c (graphite_legal_transform): Add time to
3666         TV_GRAPHITE_DATA_DEPS.
3667         (dependency_between_pbbs_p): Same.
3668         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3670 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3672         * Merge from mainline (r149952:150372).
3674 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3676         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3677         * graphite-blocking.c: Same.
3678         * graphite-clast-to-gimple.c: Same.
3679         * graphite-dependences.c: Same.
3680         * graphite-poly.c: Same.
3681         * graphite-poly.h: Same.
3682         * graphite-ppl.c: Same.
3683         * graphite-scop-detection.c: Same.
3684         * graphite-sese-to-poly.c: Same.
3685         * graphite.c: Same.
3687 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3689         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3690         (remove_simple_copy_phi): New.
3691         (remove_invariant_phi): New.
3692         (simple_copy_phi_p): New.
3693         (reduction_phi_p): New.
3694         (gsi_for_ssa_name_def): New.
3695         (insert_out_of_ssa_copy): New.
3696         (insert_out_of_ssa_copy_on_edge): New.
3697         (create_zero_dim_array): New.
3698         (scalar_close_phi_node_p): New.
3699         (rewrite_close_phi_out_of_ssa): New.
3700         (rewrite_phi_out_of_ssa): New.
3701         (rewrite_reductions_out_of_ssa): New.
3702         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3704         * gcc.dg/graphite/id-11.c: New.
3705         * gcc.dg/graphite/id-15.c: New.
3706         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3707         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3708         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3709         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3710         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3711         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3712         * gfortran.dg/graphite/id-13.f: New.
3713         * gfortran.dg/graphite/id-5.f: New.
3715 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3717         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3718         check that nb_reductions_in_loop is zero.
3719         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3720         reduction phi nodes.
3721         (nb_reductions_in_loop): Removed.
3722         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3723         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3724         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3725         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3726         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3728 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3730         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3731         statements that have an empty iteration domain.
3732         * gfortran.dg/graphite/id-16.f: New.
3734 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3736         * tree-scalar-evolution.c (instantiate_scev_1): Return
3737         chrec_dont_know when the result is not above instantiate_below.
3738         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3739         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3740         the tree has a known scalar evolution.
3741         * gfortran.dg/graphite/id-14.f: New.
3742         * gfortran.dg/graphite/id-15.f: New.
3744 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3746         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3747         insert_gsi.
3748         (rename_variables): Keep inserting renames after the ones already
3749         inserted.
3751 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3753         * graphite-sese-to-poly.c (compare_bb_depths): New.
3754         (graphite_sort_dominated_info): New.
3755         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3756         (build_scop_scattering): Fix comment.
3758 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3760         * graphite.c (graphite_finalize): Call print_loops instead of
3761         dump_function_to_file.
3762         * gcc.dg/graphite/graphite.exp: Fix formatting.
3763         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3764         loops generated in the graphite output file.
3765         * gcc.dg/graphite/pr35356-2.c: New.
3766         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3767         * gfortran.dg/graphite/id-12.f: New.
3769 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3771         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3772         Remove 2 XFAIL.
3774 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3775             Tobias Grosser  <grosser@fim.uni-passau.de>
3777         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3778         alias set number build alias in ACCESSES polyhedron.
3779         (build_alias_set_for_drs): New.
3780         (build_pbb_drs): Added build_alias_set_for_drs.
3781         * graphite-dependences.c (poly_drs_may_alias_p): New.
3782         (graphite_carried_dependence_level_k): Check alias information
3783         before building polyhedron.
3785 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3787         * Makefile.in (lambda-code.o): Fix formatting.
3789 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3791         * Merge from mainline (r149350-149952)
3793 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3795         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3796         before interchange to prepare for loop blocking.
3798 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3800         * graphite-poly.c (apply_poly_transforms): Add checks after every
3801         transformation.
3802         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3803         done in apply_poly_transforms.
3805 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3807         * graphite-dependences.c (build_lexicographically_gt_constraint):
3808         Replace RES parameter with *RES.
3809         (dependence_polyhedron_1): Pass an address of the parameter RES
3810         instead of value of RES.
3812 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3814         * graphite.c (graphite_finalize): Fix comment.
3815         (graphite_transform_loops): Reset scev info after code generation
3816         of each scop.
3818 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3820         * graphite.c (graphite_finalize): Call scev_reset.
3822 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3824         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3825         GBB_CLOOG_IV_TYPES hash table twice.
3826         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3827         (add_condition_to_domain): Clear GMP values.
3829 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3831         * graphite-dependences.c: Fix formatting.
3832         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3833         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3834         * graphite-sese-to-poly.c: Fix formatting.
3835         * graphite.c (graphite_transform_loops): Create the hash table
3836         after the early return.
3838 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3840         * gcc.dg/graphite/id-14.c: New.
3841         * gcc.dg/graphite/pr40157.c: New.
3842         * gfortran.dg/graphite/id-11.f: New.
3844 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3846         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3847         (build_poly_scop): Return false when there are no pbbs within
3848         loops to avoid to pass to cloog scops with no loops.
3850 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3852         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3853         useless test "i % 2".
3854         (build_pbb_scattering_polyhedrons): Fix formatting.
3855         (build_poly_dr): Same.
3856         * graphite.c (graphite_transform_loops): Restructure.
3858 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3860         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3861         reduction_list parameter.
3862         (rewrite_all_phi_nodes_with_iv): Same.
3863         (canonicalize_loop_ivs): Same.
3864         * tree-parloops.c (struct brli): Removed.
3865         (build_reduction_list_info): Removed.
3866         (build_new_reduction): New.
3867         (analyze_reduction_list): Removed.
3868         (gather_scalar_reductions): Find reductions instead of phi
3869         nodes that can't be canonicalized.
3870         (try_create_reduction_list): Remove reduction_list parameter.
3871         (gen_parallel_loop): Same.
3872         (parallelize_loops): Remove analyze_reductions variable,
3873         initialization and free.
3874         Change reduction_list htab initialization to reduction_info
3875         elements instead of ssa names.
3876         Call try_create_reduction_list and gen_parallel_loop without
3877         analyzed_reduction argument.
3878         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3879         canonicalize_loop_ivs with one less argument.
3880         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3882 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3884         * graphite-dependences.c (new_poly_dr_pair): New.
3885         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3886         (new_poly_dr_pair): New.
3887         (eq_poly_dr_pair_p): New.
3888         (hash_poly_dr_pair_p): New.
3889         * graphite-dependences.h (struct poly_dr_pair): New.
3890         (eq_poly_dr_pair_p): Declared.
3891         (hash_poly_dr_pair_p): Declared.
3892         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3893         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3894         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3895         * Makefile.in (graphite-poly.o): Add dependence on
3896         graphite-dependences.h.
3898 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3900         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3901         polynomials of degree > 1 pass to Graphite.
3902         * tree-chrec.c (scev_is_linear_expression): Call
3903         evolution_function_is_affine_multivariate_p.
3904         * gfortran.dg/graphite/id-10.f90: New.
3906 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3908         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3909         Instantiate scevs varying in outer loops.
3910         * gfortran.dg/graphite/id-9.f: Correct testcase.
3912 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3914         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3915         redundant constraint.
3917 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3919         * gcc.dg/graphite/graphite.exp: Fix comments.
3920         * gfortran.dg/graphite/graphite.exp: Trigger actions
3921         based on the file names as in the C testsuite.
3922         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3923         * gfortran.dg/graphite/block-2.f: Same.
3924         * gfortran.dg/graphite/block-3.f90: Same.
3925         * gfortran.dg/graphite/block-4.f90: Same.
3926         * gfortran.dg/graphite/id-1.f90: Same.
3927         * gfortran.dg/graphite/id-2.f90: Same.
3928         * gfortran.dg/graphite/id-3.f90: Same.
3929         * gfortran.dg/graphite/id-4.f90: Same.
3930         * gfortran.dg/graphite/id-6.f: Same.
3931         * gfortran.dg/graphite/id-9.f: Same.
3932         * gfortran.dg/graphite/interchange-1.f: Same.
3933         * gfortran.dg/graphite/interchange-2.f: Same.
3934         * gfortran.dg/graphite/scop-1.f: Same.
3936 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3938         * sese.c (expand_scalar_variables_call): New.
3939         (expand_scalar_variables_ssa_name): Handle calls in expander.
3941 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3943         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3944         Expect to see the pattern twice.
3945         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3946         * gcc.dg/graphite/interchange-5.c: Same.
3947         * gcc.dg/graphite/interchange-6.c: Same.
3949 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3951         * gcc.dg/graphite/id-10.c: New.
3952         * gcc.dg/graphite/id-12.c: New.
3953         * gfortran.dg/graphite/id-7.f: New.
3954         * gfortran.dg/graphite/id-8.f: New.
3956 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3958         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3959         zero.
3961 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3963         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3965 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3967         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3969 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3971         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3972         building PDR subscripts.
3974 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3976         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3977         computation of array sizes.
3979 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3981         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3983 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3985         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3986         build_pairwise_constraint, dr_equality_constraints,
3987         build_pairwise_scheduling_equality,
3988         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3989         build_lexicographically_gt_constraint, dependence_polyhedron,
3990         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3991         Move from NNC_Polyhedron to C_Polyhedron.
3992         * graphite-interchange.c (compute_array_size_poly,
3993         gather_access_strides): Dito.
3994         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3995         free_scop, pbb_number_of_iterations): Dito.
3996         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3997         pbb_dim_iter_domain, struct scop): Dito.
3998         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3999         new_Cloog_Domain_from_ppl_Polyhedron,
4000         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
4001         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
4002         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
4003         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
4004         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
4005         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
4006         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
4007         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
4008         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
4009         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
4010         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
4011         build_scop_iteration_domain, build_poly_dr): Dito
4013 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4015         * gcc.dg/graphite/graphite.exp: Added a rule to execute
4016         run-id-*.c files.
4017         * gcc.dg/graphite/run-id-1.c: New.
4019 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4021         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
4022         positivity constraint on the symbolic number of iterations.
4024 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4026         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
4028 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4029             Tobias Grosser  <grosser@fim.uni-passau.de>
4031         * graphite-clast-to-gimple.c (build_scop_context): Removed.
4032         (build_cloog_prog): Directly use SCOP_CONTEXT.
4033         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
4034         (free_scop): Free SCOP_CONTEXT.
4035         (print_scop_context): New.
4036         (print_scop): Call print_scop_context.
4037         (debug_scop_context): New.
4038         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
4039         (struct scop): Added field context.
4040         (SCOP_CONTEXT): New.
4041         * graphite-sese-to-poly.c (add_param_constraints): New.
4042         (build_scop_context): New.
4043         (build_poly_scop): Call build_scop_context.
4045 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4047         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
4048         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
4049         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
4050         * graphite-ppl.h: Include double-int.h and tree.h.
4051         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
4052         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
4053         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4054         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4056 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4058         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4059         POINTER_PLUS_EXPR for pointer types.
4060         (clast_to_gcc_expression): Same.
4062 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4064         * graphite-poly.c (print_scattering_function): Early return when
4065         PBB_TRANSFORMED_SCATTERING is not initialized.
4066         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4068 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4070         * tree-parloops.c (analyze_reduction_list): Remove unused variable
4071         to fix bootstrap.
4073 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4075         * tree-parloops.c (analyze_reduction_list): Change return
4076         value to void.
4077         (try_create_reduction_list): Move the call to
4078         analyze_reduction_list to the beginining.
4079         Call reduction_phi with analyzed_reductions as argument
4080         instead of reduction_list.
4082 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4084         *  Merge from mainline (r148296:149346)
4086 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4088         * graphite-scop-detection.c (graphite_can_represent_init): New.
4089         (graphite_can_represent_scev): Call graphite_can_represent_init:
4090         check that the initial value does not contain multiplications of
4091         parameters.
4092         (stmt_has_simple_data_refs_p): New.
4093         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4094         (is_simple_operand): Fix formatting.
4095         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4097 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4099         * gcc.dg/graphite/id-13.c: New.
4100         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4101         analyze_scalar_evolution, use scalar_evolution_in_region.
4102         (scan_tree_for_params_right_scev): Add extra assert.
4103         (parameter_index_in_region_1): Split from parameter_index_in_region.
4104         (idx_record_params): Use scalar_evolution_in_region.
4105         (find_params_in_bb): Same.
4106         (find_scop_parameters): Same.
4107         (build_loop_iteration_domains): Same.
4108         (create_linear_expr_from_tree): Same.
4109         * sese.c (scalar_evolution_in_region): New.
4110         * sese.h (scalar_evolution_in_region): Declared.
4111         (defined_in_sese_p): New.
4112         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4113         static anymore.
4114         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4115         Declared.
4117 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4119         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4120         TREE_DATA_REF_H also implies SCEV_H.
4122 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4124         * graphite-poly.c (print_scop_params): New.
4125         (print_scop): Call print_scop_params.
4126         (debug_scop_params): New.
4127         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4129 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4131         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4132         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4133         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4134         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4135         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4136         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4138 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4140         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4141         for dependency checking part.
4142         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4143         tests for dependency checking.
4144         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4145         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4146         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4147         flag -fdump-tree-graphite-all for autopar testsuites.
4149 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4151         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4152         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4153         canonicalize_loop_ivs): Moved...
4154         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4156 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4158         * tree-parloops.c (try_create_reduction_list): Pass an extra
4159         argument analyzed_reductions.  Call analyze_reduction_list.
4160         (gen_parallel_loop): Do not call analyze_reduction_list.
4161         (parallelize_loops): Init and finalize analyzed_reductions.
4163 2009-07-06  Li Feng  <nemokingdom@gmail.com>
4165         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4166         Added flag -fno-loop-strip-mine for autopar testcase.
4168 2009-07-04  Li Feng  <nemokingdom@gmail.com>
4170         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
4171         transformed scattering dimension instead of unmatch orignal when
4172         calling dependence_polyhedron.
4174 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4176         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4178 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4180         * graphite-poly.c (pbb_number_of_iterations): Check for returned
4181         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4183 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4185         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4186         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4187         * graphite-poly.c (pbb_number_of_iterations): New.
4188         * graphite-poly.h (pbb_number_of_iterations): Declared.
4189         (pbb_iterator_dim, pbb_parameter_dim): New.
4191 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4193         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4194         last commit on type of lower and upper bound of loops.
4196 2009-06-29  Li Feng  <nemokingdom@gmail.com>
4198         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4199         graphite-dependences.h.
4200         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4201         (mark_bb_with_pbb): New.
4202         (get_stmtfor_depth): New.
4203         (find_pbb_via_hash): New.
4204         (dependency_in_loop_p): New.
4205         (mark_loops_parallel): New.
4206         (free_aux_in_new_loops): New.
4207         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4208         bb with it's relevant pbb. Mark newly created loops.  Remove mark
4209         innermost loop parallel without checking.
4210         (gloog): Add parameter BB_PBB_MAPPING.
4211         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4212         (gloog): Change declaration.
4213         (mark_loop_parallel): Make extern.
4214         (free_aux_in_new_loops): Declare.
4215         (bb_pbb_map_hash): New.
4216         (eq_bb_pbb_map): New.
4217         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4218         auto parallelization when flag_graphite_force_parallel is set.
4219         (graphite_finalize): Added free_aux_in_new_loops.
4220         * tree-parloops.c (parallelize_loops): Only generate parallel code for
4221         the innermost loop that marked parallel.  Use
4222         flag_graphite_force_parallel instead of loop->can_be_parallel.
4223         (loop_parallel_p): Move inner most checking out of function.
4225 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4227         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4228         type of lower and upper bound of loops signed long int.
4230 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4232         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4233         expression outside the loop.
4235 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4237         * gcc.dg/graphite/interchange-8.c: New.
4239 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4241         * gcc.dg/graphite/interchange-0.c: XFailed.
4242         * gcc.dg/graphite/interchange-5.c: XFailed.
4243         * gcc.dg/graphite/interchange-6.c: XFailed.
4245 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4247         * graphite-interchange.c (compute_array_size_poly): The end of the
4248         recursion should return 1.
4250 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4252         * graphite-interchange.c (compute_array_size_cstr): Allow the
4253         subscript multiplier to be -1.
4254         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4255         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4256         data_container.  Initializes PDR_DATA_CONTAINER.
4257         (print_pdr_access_layout): New.
4258         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4259         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4260         data_container.
4261         (PDR_DATA_CONTAINER): New.
4262         (new_poly_dr): Update declaration.
4263         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4264         (build_poly_dr): Call pdr_add_data_dimensions.
4266 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4268         * graphite-poly.h (struct poly_dr): Fix comment.
4269         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4270         (pdr_add_memory_accesses): New.
4271         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4273 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4275         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4276         (print_pbb): Add call to print_pdrs.
4277         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4279 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4280             Li Feng <nemokingdom@gmail.com>
4282         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4283         (dependency_between_pbbs_p): New.
4284         (lexicographically_gt_p): Assure !empty_p before polyhedron
4285         intersection assign.
4286         (build_lexicographically_gt_constraint): Correct lexicographically
4287         judging.
4288         * graphite-dependences.h: New.
4289         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4291 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4293         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4294         (gloog): Print to dump_file the generated clast.
4295         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4296         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4298 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4300         * graphite-poly.c (extend_scattering): Increment
4301         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4303 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4305         * graphite-interchange.c (compute_array_size_poly): Added exit of
4306         recursion condition.  Continue iterating even after the first equality.
4307         (compute_array_size): Same.
4309 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4311         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4312         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4313         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4314         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4315         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4317 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4319         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4320         only when the use verifies is_gimple_reg.
4322 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4324         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4325         Allocate scaldims after call to unify_scattering_dimensions.
4327 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4329         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4331 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4332             Albert Cohen  <albert.cohen@inria.fr>
4334         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4335         variables for the strip mining.
4337 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4338             Pranav Garg  <pranav.garg2107@gmail.com>
4340         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4341         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4342         (graphite-blocking.o): New rule.
4343         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4344         * graphite-blocking.c: New.
4345         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4346         flag_loop_strip_mine.
4347         (psct_scattering_dim_for_loop_depth): New.
4348         * graphite-poly.h (scop_do_strip_mine): Declared.
4349         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4350         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4351         flag_loop_strip_mine.
4353 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4355         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4356         a GMP value and a PPL coefficient at each iteration of a loop.
4358 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4360         * graphite-dependences.c (dependence_polyhedron): Do not use
4361         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4362         pbb_nb_scattering_transform.
4363         (graphite_legal_transform_dr): Same.
4364         * graphite-poly.c (extend_scattering): Same.
4365         (unify_scattering_dimensions): Same.
4366         (print_scattering_function): Same.
4367         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4368         PBB_NB_LOCAL_VARIABLES.
4369         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4370         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4371         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4372         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4373         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4374         (pbb_nb_scattering_transform): New.
4375         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4376         (psco_scattering_dim): Add assert on parameters.
4377         (psct_scattering_dim): Same.
4378         (psct_scattering_dim_for_loop_depth): Declared.
4379         (psct_local_var_dim): New.
4380         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4381         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4382         correct layout, call pbb_nb_local_vars.
4383         (psct_add_local_variable, psct_add_scattering_dimension): New.
4384         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4385         Initialize PBB_NB_SCATTERING_TRANSFORM.
4387 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4389         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4390         (set_coef): Renamed ppl_set_coef.
4391         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4393 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4395         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4396         test a boolean against 1.
4397         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4398         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4399         (pbb_do_interchange): Returns true when a transform has been performed.
4400         (scop_do_interchange): Same.
4401         * graphite-poly.c (apply_poly_transforms): Use the return value of
4402         scop_do_interchange.
4403         * graphite-poly.h (scop_do_interchange): Update declaration.
4405 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4407         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4408         after last use.
4409         * sese.c (sese_reset_aux_in_loops): New.
4410         * sese.h (sese_reset_aux_in_loops): New.
4412 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4414         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4415         multiplier and multiply the constant by the multiplier.
4416         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4417         (build_poly_dr): Do not use the multiplier to define the subscript.
4419 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4421         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4422         compiler's data reference.  Initialize PDR_CDR.
4423         (print_pdr): Call dump_data_reference.
4424         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4425         Add compiler_dr field.
4426         (PDR_BB): Renamed PDR_PBB.
4427         (PDR_CDR): New.
4428         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4429         GCC's data reference representation.
4430         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4431         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4433 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4435         * graphite-poly.c (print_scattering_function): Also print the layout.
4436         * graphite-poly.h (pbb_nb_local_vars): New.
4438 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4440         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4442 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4444         * graphite-poly.c (print_pdr, debug_pdr): New.
4445         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4446         (PDR_BASE): Removed.
4448 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4450         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4451         ltrans-{1..6,8}.c.
4453 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4455         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4456         subscript identification column.
4457         (pbb_do_interchange): Print to dump_file that some loops "will be
4458         interchanged".  Rely on that chain of characters in the testcases.
4459         * gcc.dg/graphite/interchange-0.c: New.
4460         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4461         interchange-*.c files and compile them with -floop-interchange.
4463 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4465         * graphite-interchange.c (interchange_profitable_p): Renamed
4466         pbb_interchange_profitable_p.
4468 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4469             Harsha Jagasia  <harsha.jagasia@amd.com>
4470             Pranav Garg  <pranav.garg2107@gmail.com>
4472         * graphite-interchange.c (interchange_profitable_p): Make static.
4473         (pbb_interchange_loop_depths, pbb_do_interchange,
4474         scop_do_interchange): New.
4475         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4476         for flag_loop_interchange.
4477         * graphite-poly.h (scop_do_interchange): Declared.
4478         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4479         flag_loop_interchange is used.
4481 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4483         * graphite-dependences.c (dependence_polyhedron): Update use of
4484         pbb_nb_scattering_dims.
4485         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4486         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4487         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4488         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4490 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4492         * graphite.c: Cleanup foo.
4494 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4496         * Merge from mainline (r143684:148293).
4497         * Disabled libpcp until it gets fixed.
4499 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4500             Harsha Jagasia  <harsha.jagasia@amd.com>
4502         * graphite-interchange.c: New.
4503         * Makefile.in (graphite-interchange.o): New.
4504         * graphite-poly.h (interchange_profitable_p): Declared.
4505         * graphite-ppl.h (value_max): New.
4507 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4509         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4510         * graphite-poly.h: Fix some comments.
4511         (pdr_dim): New.
4512         (pdr_scop): New.
4514 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4516         * graphite-poly.h
4517         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4518         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4519         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4520         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4521         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4522         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4523         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4524         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4525         * graphite-clast-to-gimple.c: Same.
4526         * graphite-dependences.c: Same.
4527         * graphite-poly.c: Same.
4528         * graphite-sese-to-poly.c: Same.
4530 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4532         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4533         expressions for an IV rename, as returned by clast_to_gcc_expression.
4534         (copy_renames): Rename new_name to expr.
4535         * sese.c (debug_rename_elt): Same.
4536         (get_rename): Same.
4537         (set_rename): Same.
4538         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4539         the information from the rename map.
4540         (rename_variables_in_stmt): Same.
4541         (add_loop_exit_phis): Rename new_name to expr.
4542         (insert_loop_close_phis): Same.
4543         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4544         * sese.h (struct rename_map_elt): Rename new_name to expr.
4545         (new_rename_map_elt): Same.
4547 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4549         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4550         * sese.c (set_rename): Make it extern.
4551         * sese.h (set_rename): Declared.
4553 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4555         * graphite-poly.c (extend_scattering): Free values.
4556         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4557         Free iterators.
4558         (ppl_print_powerset_matrix): Same.
4559         * graphite-scop-detection.c (free_scops_1): New.
4560         (limit_scops): Call free_scops_1.
4561         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4562         (build_poly_dr): Free PPL coefficients.
4563         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4565 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4567         * graphite-dependences.c: New.
4568         * graphite-data-ref.c: Removed.
4569         * graphite-data-ref.h: Removed.
4570         * Makefile.in (graphite-data-ref.o): Removed.
4571         (graphite-dependences.o): Added.
4572         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4573         * graphite-poly.c: Same.
4574         Move the data dependence testing to graphite-dependences.c.
4576 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4578         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4579         from graphite_cannot_represent_loop. Code refactored.
4580         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4582 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4584         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4585         Cover all the testcases (not only the filtered ones).
4587 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4589         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4590         unnecessary check. Update comments. Move check for REAL_TYPE here.
4591         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4592         done in (stmt_simple_for_scop_p).
4594 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4596         * graphite.c (print_global_statistics): New.
4597         (print_graphite_scop_statistic): New.
4598         (print_graphite_statistics): New.
4599         (graphite_initialize, graphite_transform_loops): Print statistics.
4600         * graphite-scop-detection (build_scops): Print statistics.
4601         (print_graphite_scop_statistics): New.
4602         (print_graphite_statistics): New.
4604 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4606         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4607         (debug_clast_name_index): Removed.
4608         (debug_clast_name_indexes_1): Removed.
4609         (debug_clast_name_indexes): Removed.
4610         (clast_name_index_elt_info): Removed.
4611         (eq_clast_name_indexes): Removed.
4612         (clast_name_to_index): Removed.
4613         (new_clast_name_index): Removed.
4614         (save_clast_name_index): Removed.
4615         (save_var_name): Moved...
4616         (init_sese_params_index): Removed.
4617         (clast_name_to_gcc): Remove use of name_tree.
4618         (initialize_cloog_names): Same.
4619         (gloog): Do not call init_sese_params_index.
4620         * graphite-sese-to-poly.c (save_var_name): ...here.
4621         (parameter_index_in_region): New.
4622         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4623         (parameter_index_in_region): Removed.
4624         (is_parameter): Remove use of name_tree.
4625         * sese.h (struct name_tree): Removed.
4626         (struct sese): Remove use of name_tree.  New field params_names.
4627         (SESE_PARAMS_NAMES): New.
4628         (SESE_PARAMS): Remove duplicate.
4629         (parameter_index_in_region): Removed.
4630         (sese_nb_params): Remove use of name_tree.
4631         (struct clast_name_index): New.
4632         (new_clast_name_index): New.
4633         (clast_name_to_index): New.
4634         (save_clast_name_index): New.
4635         (debug_clast_name_index): New.
4636         (debug_clast_name_indexes_1): New.
4637         (debug_clast_name_indexes): New.
4638         (clast_name_index_elt_info): New.
4639         (eq_clast_name_indexes): New.
4641 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4643         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4644         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4645         (graphite_loop_normal_form): Do not pass region.  Do not
4646         initialize SESE_OLDIVS.
4647         (build_graphite_loop_normal_form): Update call to
4648         graphite_loop_normal_form.
4649         * sese.c (debug_oldivs): Removed.
4650         (new_sese): Do not initialize SESE_OLDIVS.
4651         (free_sese): Do not free SESE_OLDIVS.
4652         (oldiv_for_loop): Removed.
4653         * sese.h (struct sese): Remove old_ivs.
4654         (SESE_OLDIVS): Removed.
4655         (oldiv_for_loop): Removed.
4657 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4659         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4660         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4661         replaced by a call to newivs_to_depth_to_newiv.
4662         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4663         (clast_to_gcc_expression_red): Same.
4664         (gcc_type_for_clast_expr): Same.
4665         (gcc_type_for_clast_eq): Same.
4666         (graphite_translate_clast_equation): Same.
4667         (graphite_create_guard_cond_expr): Same.
4668         (graphite_create_new_guard): Same.
4669         (graphite_create_new_loop): Same.
4670         (build_iv_mapping): Same.
4671         (translate_clast): Same.
4672         (gloog): Same.
4673         (loop_iv_stack_patch_for_consts): Removed.  *
4674         sese.c (iv_stack_entry_is_constant): Removed.
4675         (iv_stack_entry_is_iv): Removed.
4676         (loop_iv_stack_push_iv): Removed.
4677         (loop_iv_stack_insert_constant): Removed.
4678         (loop_iv_stack_pop): Removed.
4679         (loop_iv_stack_get_iv): Removed.
4680         (loop_iv_stack_get_iv_from_name): Removed.
4681         (debug_loop_iv_stack): Removed.
4682         (free_loop_iv_stack): Removed.
4683         (loop_iv_stack_remove_constants): Removed.  *
4684         sese.h (iv_stack_entry_kind): Removed.
4685         (iv_stack_entry_data_union): Removed.
4686         (iv_stack_entry_struct): Removed.
4687         (iv_stack_entry_p): Removed.
4688         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4689         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4690         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4691         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4692         (gbb_loop_at_index): Fix indenting.
4693         (gbb_loop_index): Removed.
4695 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4697         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4698         Call clast_name_to_index.
4700 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4702         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4703         do not pass params.  Get params from SESE_PARAMS.
4704         (clast_to_gcc_expression): Same.
4705         (clast_to_gcc_expression_red): Same.
4706         (gcc_type_for_clast_eq): Same.
4707         (graphite_translate_clast_equation): Same.
4708         (graphite_create_new_loop): Same.
4709         * sese.c (rename_variables_in_stmt): Fix comment.
4711 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4713         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4714         newivs_index.
4715         Call save_clast_name_index.
4716         (translate_clast): Pass newivs_index.
4717         (gloog): Create and free newivs_index.
4719 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4721         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4722         (clast_name_index_p): New type.
4723         (debug_clast_name_index): New.
4724         (debug_clast_name_indexes_1): New.
4725         (debug_clast_name_indexes): New.
4726         (clast_name_index_elt_info): New.
4727         (eq_clast_name_indexes): New.
4728         (clast_name_to_index): New.
4729         (new_clast_name_index): New.
4730         (save_clast_name_index): New.
4731         (init_sese_params_index): New.
4732         (gloog): Call init_sese_params_index.
4733         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4734         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4735         (free_sese): Free SESE_PARAMS_INDEX.
4736         * sese.h (struct sese): Add params_index.
4737         (SESE_PARAMS_INDEX): New.
4739 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4741         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4742         (graphite_create_new_loop): Pass the newivs vector.  Push the
4743         newly created IV to newivs.
4744         (translate_clast): Pass the newivs vector.
4745         (gloog): Create and destroy the newivs vector.
4747 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4749         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4750         (graphite_loop_normal_form): Initialize loop->aux with the unique
4751         IV that has been created.
4753 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4755         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4756         scev with parameters in the base part. They where forbidden
4757         exidently.
4759 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4761         * gcc.dg/graphite/graphite.exp: Set different default
4762         compile options by file names.
4763         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4764         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4765         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4766         * gcc.dg/graphite/scop-matmult.c: Ditto.
4768 2009-05-08  Li Feng <nemokingdom@gmail.com>
4770         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4771         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4772         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4773         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4775 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4777         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4778         by final cleanup.
4780 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4782         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4783         allow integer constant strides.
4784         (graphite_can_represent_expr): Depend on outermost_loop.
4785         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4786         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4787         build_scops_1): Same.
4788         (scopdet_basic_block_info): Same and insert layered SCoP
4789         detection.
4790         (try_generate_gimple_bb): Cleanup.
4791         (build_scops): Enable data references.
4793         * gcc.dg/graphite/id-5.c: New.
4794         * gcc.dg/graphite/id-9.c: New.
4795         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4796         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4798 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4800         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4801         that we have not yet built for this SCoP.
4803 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4805         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4806         for complex numbers.
4808 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4810         * graphite-ppl.c: Fix build if cloog is not available.
4812 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4814         * tree-parloops.c (loop_parallel_p): Remove construction of
4815         NITER and REDUCTION_LIST.
4816         (try_get_loop_niter): New.
4817         (try_create_reduction_list): New.
4818         (parallelize_loops): Bypass the failed checkings in autopar
4819         when can_be_parallel in loop structure is set to true.
4821 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4823         * gcc.dg/graphite/id-6.c: Update testcase.
4824         * gcc.dg/graphite/scop-3.c: Dito.
4826 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4828         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4829         Enable EQ_EXPR and NE_EXPR again.
4831 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4833         * graphite-scop-detection.c (graphite_can_represent_scev):
4834         Add check if scev is affine multivariate.
4835         (harmful_stmt_in_bb): Check if we can represent the conditions.
4836         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4837         harmful_stmt_in_bb.
4838         * gcc.dg/graphite/id-7.c: New.
4840 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4842         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4843         Check all bbs in region, not only the bbs that are represented in
4844         GRAPHITE.
4845         (build_poly_scop): Add newline.
4846         * gcc.dg/graphite/id-8.c: New.
4848 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4850         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4851         when loop initialize.
4852         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4853         * common.opt: Declare flag_graphite_force_parallel.
4854         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4855         loop parallel.
4856         * graphite-poly.c (apply_poly_transforms): Introduce
4857         flag_graphite_force_parallel.
4858         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4859         * toplev.c (process_options): ditto and replace a not correctly
4860         encoded space.
4862 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4864         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4865         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4866         to the redefinition.
4867         (compute_cloog_iv_types_1): ditto.
4868         (build_iv_mapping): ditto.
4869         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4870         initialization.
4871         (free_gimple_bb): Removed GBB_LOOPS related free part.
4872         (build_bb_loops): Removed.
4873         * sese.h (struct gimple_bb): Removed loops.
4874         (GBB_LOOPS): Removed.
4875         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4876         (gbb_loop_index): ditto.
4878 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4880         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4881         allow non constant strides.
4882         * gcc.dg/graphite/scop-20.c: New.
4884 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4886         * graphite-scop-detection.c (dot_all_scops): Fix system call
4887         return value warning.
4888         (dot_scop): Same.
4890 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4892         * gcc.dg/graphite/id-6.c: Fix pattern.
4893         * gcc.dg/graphite/scop-3.c: Same.
4895 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4897         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4898         build_pairwise_constraint, dr_equality_constraints,
4899         build_pairwise_scheduling_equality,
4900         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4901         build_lexicographically_gt_constraint, dependence_polyhedron,
4902         graphite_legal_transform_dr, graphite_legal_transform_bb,
4903         graphite_legal_transform): New.
4904         * graphite-poly.h (graphite_legal_transform): Declared.
4905         * graphite-sese-to-poly.c (build_poly_scop): Call to
4906         graphite_legal_transform is disabled for the moment.
4908 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4910         * graphite-poly.h (pbb_nb_scattering_dims): New.
4911         (pbb_nb_scattering): Use it.
4913 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4915         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4916         Pointset_Powerset version of ppl_insert_dimensions.
4917         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4919 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4921         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4923 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4925         * graphite-poly.h: Fix comment.
4927 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4929         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4931 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4933         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4934         statements.
4936 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4938         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4939         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4940         conditions.
4942 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4944         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4945         handle EQ_EXPR and NE_EXPR.
4947 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4949         * graphite-poly.h (poly_dr): Fix comment.
4951 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4952             Tobias Grosser  <grosser@fim.uni-passau.de>
4954         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4955         with a zero dimension polyhedron.
4956         (find_scop_parameters): Move the call to scop_set_nb_params here.
4957         (build_loop_iteration_domains): Store in loop->aux the iteration
4958         domain polyhedron.
4959         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4960         by any loop in scop.
4961         (build_poly_scop): Do not call scop_set_nb_params.
4963 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4964             Tobias Grosser  <grosser@fim.uni-passau.de>
4966         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4967         add_condition_to_domain not GT_EXPR.
4969 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4971         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4972         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4973         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4974         upper_bound_assign to calculate unions.
4975         * gcc.dg/graphite/id-6.c: New.
4977 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4979         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4980         handle abnormal edges.
4982 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4984         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4985         (free_poly_bb): Also free poly_drs.
4986         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4987         (poly_dr): Polyhedron to Pointset_Powerset.
4988         (pdr_accessp_nb_subscripts): Same.
4989         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4990         poly_drs.
4992 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4994         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4995         names into more meaningful names.
4997 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4999         * gfortran.dg/graphite/interchange-1.c: New.
5000         * gfortran.dg/graphite/interchange-2.c: New.
5002 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5004         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
5005         the reduction_list.
5006         * tree-parloops.c (rewrite_phi_with_iv): New.
5007         (rewrite_all_phi_nodes_with_iv): New.
5008         (canonicalize_loop_ivs): Call them.
5010 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5012         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
5013         graphite_find_data_references_in_stmt.
5014         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
5015         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
5017 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5019         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
5021 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5023         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
5024         instead of bb_in_region.
5025         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
5026         (build_sese_conditions): Use flag_bb_in_sese.
5027         * sese.c (register_bb_in_sese): Removed.
5028         (new_sese): Remove initialization of SESE_REGION_BBS.
5029         (free_sese): Do not free SESE_REGION_BBS.
5030         * sese.h (struct sese): Remove field region_basic_blocks.
5031         (SESE_REGION_BBS): Removed.
5032         (bb_in_sese_p): Implement in function of bb_in_region.
5034 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5036         * graphite-scop-detection.c (limit_scops): Deal only with single exit
5037         loops.
5039 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5041         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
5042         and EQ_EXPR.
5043         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
5044         (add_condition_to_domain): New.
5045         (add_condition_to_pbb): New.
5046         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
5047         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
5049 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5051         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
5052         ppl_Pointset_Powerset.
5053         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5054         * graphite-poly.h (poly_bb): poly_bb.domain Same.
5055         (pbb_nb_loops): Same.
5056         * graphite-sese-to-poly.c (build_loop_iteration_domains,
5057         add_conditions_to_domain): Same.
5058         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5059         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5060         ppl_const_Polyhedron_t.
5061         (ppl_print_powerset_matrix): New.
5062         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5063         ppl_print_powerset_matrix): New.
5064         (ppl_print_polyhedron_matrix): Updated.
5066 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5068         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5070 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5072         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5073         (print_iteration_domains, debug_iteration_domain,
5074         debug_iteration_domains): New.
5075         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5076         debug_iteration_domains): Declared.
5077         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5078         indenting.
5080 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5081             Sebastian Pop  <sebastian.pop@amd.com>
5083         * graphite-poly.h (print_iteration_domain): New.
5084         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5085         (build_sese_conditions_1, build_sese_conditions_after,
5086         build_sese_conditions_before): New.
5087         (build_sese_conditions): Rewritten.
5089 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5090             Tobias Grosser  <grosser@fim.uni-passau.de>
5092         Cleanup of code generation liveouts.
5093         * graphite-clast-to-gimple.c (translate_clast): Use a single
5094         rename_map instead of one per translated statement.
5095         Do not use SESE_LIVEOUT_RENAMES.
5096         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5097         (gloog): Do not use SESE_LIVEOUT_RENAMES.
5098         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5099         phi node of a reduction: when a loop contains a reduction used outside
5100         the loop, there should be a scalar close phi node on the exit block.
5101         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5102         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5103         (free_sese): Do not free them.
5104         (sese_build_liveouts_use): Do not use them.
5105         (sese_build_liveouts_bb): Same.
5106         (sese_build_liveouts): Same.
5107         (sese_insert_phis_for_liveouts): Same.
5108         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5109         (defined_in_loop_p): New.
5110         (alive_after_loop): New.
5111         (close_phi_not_yet_inserted_p): New.
5112         (struct alep, alep_p): New.
5113         (add_loop_exit_phis): Remove from the rename_map all the names defined
5114         in the code generated loop.
5115         (insert_loop_close_phis): Traverse the rename_map passed to it.
5116         Don't use SESE_LIVEOUT_RENAMES.
5117         (default_liveout_before_guard): Renamed default_before_guard.
5118         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5119         (graphite_copy_stmts_from_block): Do not directly call set_rename.
5120         (register_sese_liveout_renames): Removed.
5121         (copy_bb_and_scalar_dependences): Do not call it.
5122         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5123         reduction_list.
5124         (SESE_LIVEOUT): Removed.
5125         (SESE_LIVEOUT_RENAMES): Removed.
5126         (SESE_REDUCTION_LIST): Removed.
5127         (sese_build_liveouts): Removed.
5128         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5129         (insert_loop_close_phis): Pass a htab_t instead of a sese.
5130         (insert_guard_phis): Same.
5131         (rename_map_elt): Declare a VEC of them.
5132         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5133         trees not pointers to trees.
5135         Rewrite in canonical close SSA form:
5136         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5137         (limit_scops): Close the scop after the block containing the close phi
5138         nodes.
5139         (canonicalize_loop_closed_ssa): New.
5140         (canonicalize_loop_closed_ssa_form): New.
5141         (build_scops): Call canonicalize_loop_closed_ssa_form.
5143         * graphite-sese-to-poly.c: Fix typos.
5145 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5147         * graphite-poly.c (print_scattering_function, print_pbb_domain):
5148         Extended.
5149         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5150         (print_pbb): Add conditions.
5152 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5153             Sebastian Pop  <sebastian.pop@amd.com>
5155         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5156         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5157         (build_scop_bbs_1): New.
5158         (build_scop_bbs): Rewrite.
5159         * sese.h (bb_in_region): New.
5161 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5163         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5164         poly_drs vector.
5165         (print_scop): Style.
5166         * graphite-poly.h (poly_bb): Add drs vector.
5167         (PBB_DRS): Add accessor.
5168         * graphite-sese-to-poly.c (build_poly_dr): New.
5169         (build_pbb_drs, build_scop_drs): New.
5170         (build_poly_scop): call build_scop_drs (Disabled at the moment).
5172 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5174         * tree-ssa-loop.c: Include forgotten toplev.h
5176 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5178         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5179         * gcc.dg/graphite/pr37883.c: Remove -floop-*
5180         * gcc.dg/graphite/pr37928.c: Same
5181         * gcc.dg/graphite/pr38409.c: Same
5182         * gcc.dg/graphite/pr38498.c: Same
5183         * gcc.dg/graphite/pr38559.c: Same
5184         * gcc.dg/graphite/pr39335.c: Same
5185         * gcc.dg/graphite/pr39335_1.c: Same
5186         * gfortran.dg/graphite/block-2.f: Same
5187         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5188         with -floop-*.
5190 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5192         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5193         build_access_matrix, build_scop_data_accesses): Remove access function
5194         building. (We get a new version soon).
5195         (build_bb_loops, scan_tree_for_params_right_scev): Update.
5196         * sese.h (nb_loops_around_loop_in_sese): Remove.
5197         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5199 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5200             Sebastian Pop  <sebastian.pop@amd.com>
5202         * graphite-scop-detection.c (struct scopdet_info): Rename last
5203         field to exit.
5204         (scopdet_basic_block_info, build_scops_1): Don't use
5205         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5207 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5208             Sebastian Pop  <sebastian.pop@amd.com>
5210         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5211         * sese.c (sese_build_liveouts_use): Renamed from
5212         sese_build_livein_liveouts_use. Remove liveins.
5213         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5214         Call sese_build_liveouts_use.
5215         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5216         Call sese_build_liveouts_bb.
5217         (new_sese, free_sese): Remove liveins.
5218         (sese_add_exit_phis_var): Deleted.
5219         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5220         directly.
5221         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5223         * sese.h (sese): Remove num_ver and livein.
5224         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5226 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5228         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5230 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5232         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5233         (build_scop_scattering): Do not use compare_prefix_loops any more.
5234         (nb_common_loops): New.
5236 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5238         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5239         (register_old_and_new_names): Renamed set_rename.
5241 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5243         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5244         of the decl from the previous commit.
5246 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5248         * graphite-scop-detection.c (dot_scop): New.
5249         * graphite-scop-detection.h (dot_scop): Declared.
5251 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5253         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5255 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5257         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5258         condition at the end of the loop.
5259         * graphite.c (graphite_initialize, graphite_finalize): Print to
5260         dump_file the compiled function.
5261         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5262         of create_empty_loop_on_edge.
5263         (translate_clast): Update the code generation of loops for the new
5264         shape of loops.
5265         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5267 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5269         Reverted the patch from 2009-03-19.
5271 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5273         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5274         poly_drs vector.
5275         (print_scop): Style.
5276         * graphite-poly.h (poly_bb): Add drs vector.
5277         (PBB_DRS): Add accessor.
5278         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5279         (build_access_matrix_with_af, build_access_matrix,
5280         build_scop_data_accesses): Delete.
5281         (build_poly_dr): New.
5282         (build_pbb_drs, build_scop_drs): New.
5283         (build_poly_scop): call build_scop_drs.
5285 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5287         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5288         once per basic block.
5290 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5292         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5293         (graphite_can_represent_expr): Renamed from loop_affine_expr
5294         and enhanced.
5295         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5296         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5297         (scopdet_basic_block_info): Actually define entry_block.
5298         (stmt_simple_memref_p): Moved here from ...
5300         * tree-data-ref.c (stmt_simple_memref_p): here.
5301         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5303 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5305         * gcc.dg/graphite/id-4.c: New.
5307 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5309         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5310         (register_old_and_new_names): Update the content of the map.
5311         When there was already a rename_map_elt in the map at that
5312         location, free it.
5313         (copy_bb_and_scalar_dependences): Do rename_variables after
5314         expand_scalar_variables.
5315         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5316         of the map.  When there was already a rename_map_elt in the
5317         map at that location, free it.
5318         (translate_clast): Pass the rename_map.  Do not initialize and free
5319         a rename_map per stmt_user.
5320         (gloog): Initialize and free one rename_map and pass it to
5321         translate_clast.
5323 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5325         * sese.c (expand_scalar_variables_stmt,
5326         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5327         parameter.
5328         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5329         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5330         the gimple_stmt_iterator of the statement to be expanded.
5331         * graphite-scop-detection.c (is_simple_operand): Do handle
5332         REALPART_EXPR.
5334 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5336         * graphite-scop-detection.c (is_simple_operand): Do not handle
5337         REALPART_EXPR.
5338         * gcc.dg/graphite/id-2.c: New.
5340         * graphite-sese-to-poly.c (build_bb_loops,
5341         add_value_to_dim, scan_tree_for_params_right_scev,
5342         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5343         find_params_in_bb, build_loop_iteration_domains,
5344         add_conditions_to_domain): Remove subtract.
5346 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5348         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5349         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5350         pbb_loop_at_index -> gbb_loop_at_index.
5351         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5352         (debug_loop_vec): Delete.
5353         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5354         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5355         (PBB_LOOPS): Removed.
5356         (PBB_BLACK_BOX): Insert cast.
5357         (pbb_set_black_box): New setter.
5358         (pbb_loop_at_index, pbb_loop_index): Removed.
5359         (scop_set_region, scop_set_nb_params): New.
5360         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5361         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5362         (build_poly_scop): Use scop_set_nb_params.
5363         * sese.h (gimple_bb): Add LOOPS.
5364         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5366 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5368         Revert previous commit.
5370 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5372         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5373         (register_old_and_new_names): Update the content of the map.
5374         When there was already a rename_map_elt in the map at that
5375         location, free it.
5376         (copy_bb_and_scalar_dependences): Do rename_variables after
5377         expand_scalar_variables.
5378         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5379         of the map.  When there was already a rename_map_elt in the
5380         map at that location, free it.
5381         (translate_clast): Pass the rename_map.  Do not initialize and free
5382         a rename_map per stmt_user.
5383         (gloog): Initialize and free one rename_map and pass it to
5384         translate_clast.
5386 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5388         Remove forgotten line in revert.
5390 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5392         Revert previous commit.
5394 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5396         * sese.c (register_old_and_new_names): Update the content
5397         of the map.  When there was already a rename_map_elt in the
5398         map at that location, free it.
5399         (copy_bb_and_scalar_dependences): Do rename_variables after
5400         expand_scalar_variables.
5401         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5402         of the map.  When there was already a rename_map_elt in the
5403         map at that location, free it.
5404         (translate_clast): Pass the rename_map.  Do not initialize and free
5405         a rename_map per stmt_user.
5406         (gloog): Initialize and free one rename_map and pass it to
5407         translate_clast.
5409 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5411         * graphite-clast-to-gimple.c (translate_clast): context_loop
5412         is never NULL.
5414 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5415             Sebastian Pop  <sebastian.pop@amd.com>
5417         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5418         of the use of ppl_Polyhedron_map_space_dimensions.
5420 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5421             Sebastian Pop  <sebastian.pop@amd.com>
5423         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5424         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5425         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5426         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5427         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5428         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5429         pbb_nb_params): New.
5430         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5431         nb_loops_around_pbb): Adapt return types.
5433 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5435         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5436         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5437         graphite-scop-detection.o, graphite-poly.o): Add
5438         more headers.
5440 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5442         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5443         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5444         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5446 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5448         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5449         * gcc.dg/graphite/pr37828.c: Same.
5450         * gcc.dg/graphite/pr37684.c: Same.
5451         * gcc.dg/graphite/block-0.c: Same.
5452         * gcc.dg/graphite/block-1.c: Same.
5453         * gcc.dg/graphite/block-2.c: Same.
5454         * gcc.dg/graphite/block-3.c: Same.
5455         * gcc.dg/graphite/block-4.c: Same.
5456         * gcc.dg/graphite/block-5.c: Same.
5457         * gcc.dg/graphite/block-6.c: Same.
5458         * gfortran.dg/graphite/pr38083.f90: Same.
5459         * gfortran.dg/graphite/block-1.f90: Same.
5460         * gfortran.dg/graphite/block-3.f90: Same.
5461         * gfortran.dg/graphite/pr37852.f90: Same.
5462         * gfortran.dg/graphite/block-4.f90: Same.
5463         * gfortran.dg/graphite/pr37980.f90: Same.
5464         * gfortran.dg/graphite/pr38953.f90: Same.
5465         * gfortran.dg/graphite/pr37857.f90: Same.
5466         * opts.c: Remove -floop-block from -O2.
5467         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5468         -floop-strip-mine are used.
5470 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5471             Sebastian Pop  <sebastian.pop@amd.com>
5473         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5474         dimensions.
5475         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5476         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5477         strip_mine_profitable_p, is_interchange_valid,
5478         graphite_trans_bb_block, graphite_trans_loop_block,
5479         graphite_trans_scop_block): Temporary removed.
5480         (extend_scattering, unify_scattering_dimensions): New.
5481         (print_scattering_function, graphite_read_transforms):
5482         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5483         (graphite_generate_scattering_fns): Removed.
5484         (apply_poly_transforms): Cleanup.
5485         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5486         (schedule_to_scattering): Moved.
5487         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5488         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5489         (pbb_nb_scattering): New.
5490         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5491         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5492         Removed.
5493         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5494         shift_poly.
5495         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5496         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5497         -> PBB_TRANSFORMED_SCATTERING.
5498         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5499         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5500         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5501         (check_poly_representation): Do not return bool.
5502         (graphite_transform_loops): Reformat.
5503         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5505 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5507         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5508         debug_pbb_domain, debug_pbb, debug_scop): New.
5509         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5510         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5512 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5514         PR middle-end/39335
5515         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5516         when the type precision of the induction variable should be
5517         larger than the type precision of nit.
5518         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5519         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5520         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5522         * gcc.dg/graphite/pr39335_1.c: New.
5523         * gcc.dg/graphite/pr39335.c: New.
5525 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5527         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5528         SSA_NAMES not struct reduction_info.
5530 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5532         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5534 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5535             Tobias Grosser  <grosser@fim.uni-passau.de>
5537         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5538         (free_sese): Free SESE_REDUCTION_LIST.
5539         * sese.h (struct sese): Add field reduction_list.
5540         (SESE_REDUCTION_LIST): New.
5541         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5542         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5544 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5545             Tobias Grosser  <grosser@fim.uni-passau.de>
5547         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5548         of loop_p.
5550 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5551             Tobias Grosser  <grosser@fim.uni-passau.de>
5553         * tree-parloops.c (struct brli, build_reduction_list_info,
5554         analyze_reduction_list, gather_scalar_reductions): New.
5555         (loop_parallel_p): Build a reduction list containing only
5556         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5557         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5558         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5559         * tree-flow.h (gather_scalar_reductions): Declared.
5561 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5563         PR middle-end/39308
5564         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5565         number_of_iterations_exit from a gcc_assert.
5567 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5568             Jan Sjodin  <jan.sjodin@amd.com>
5570         * output.h (graphite_out_file, graphite_in_file): Declared.
5571         * toplev.c (graphite_out_file, graphite_in_file): New.
5572         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5573         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5574         Don't call schedule_to_scattering.
5575         * common.opt (fgraphite-write, fgraphite-read): New.
5576         * graphite-poly.c: Include output.h.
5577         (print_scattering_function, print_scattering_functions,
5578         debug_scattering_function, debug_scattering_functions,
5579         graphite_write_transforms, graphite_read_transforms,
5580         graphite_generate_scattering_fns): New.
5581         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5582         Call graphite_generate_scattering_fns, graphite_write_transforms,
5583         graphite_read_transforms.
5584         (new_poly_bb): Initialize PBB_SCATTERING.
5585         (free_poly_bb): Free PBB_SCATTERING.
5586         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5587         * graphite-poly.h (struct poly_bb): Add field scattering.
5588         (PBB_SCATTERING): New.
5589         (print_scattering_function, print_scattering_functions,
5590         debug_scattering_function, debug_scattering_functions): Declared.
5591         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5592         GMP values, not integers!
5593         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5594         ppl_read_polyhedron_matrix): New.
5595         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5596         debug_ppl_polyhedron_matrix,
5597         ppl_read_polyhedron_matrix): Declared.
5598         * Makefile.in (graphite-poly.o): Depends on output.h.
5600 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5601             Tobias Grosser  <grosser@fim.uni-passau.de>
5603         Revert this change:
5604         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5605         scalar evolutions in the scop_entry->loop_father.
5607 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5608             Tobias Grosser  <grosser@fim.uni-passau.de>
5610         * graphite.h (ref_nb_loops): Remove declaration.
5611         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5612         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5613         debug_gbb): Moved to sese.h.
5614         * sese.h: As said.
5616 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5617             Tobias Grosser  <grosser@fim.uni-passau.de>
5619         * graphite-data-ref.[ch]: Disable.
5621 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5622             Tobias Grosser  <grosser@fim.uni-passau.de>
5624         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5625         scalar evolutions in the scop_entry->loop_father.
5627 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5629         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5630         (graphite_cannot_represent_loop_niter): Renamed
5631         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5632         (limit_scops): build_sese_loop_nests does not return a bool.
5633         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5634         * sese.c (nb_reductions_in_loop): ... from here.
5635         (graphite_loop_normal_form): ... from here.
5636         (sese_record_loop): Does not fail, so does not return a bool.
5637         (build_sese_loop_nests): Same.
5638         * sese.h (build_sese_loop_nests): Update declaration.
5639         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5640         (build_graphite_loop_normal_form): New.
5641         (gloog): Call build_graphite_loop_normal_form.
5642         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5643         build_sese_loop_nests.
5645         * gcc.dg/graphite/id-1.c: New.
5647 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5648             Tobias Grosser  <grosser@fim.uni-passau.de>
5650         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5651         The SCoP detection fix is sufficient.
5653 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5655         PR tree-optimization/39260
5656         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5657         the basic block contains a condition with a real type.
5658         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5660         * gcc.dg/graphite/pr39260.c: New.
5662 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5664         * graphite-poly.c: Inlcude params.h.
5665         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5666         the size of a tile.
5667         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5668         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5670 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5671             Tobias Grosser  <grosser@fim.uni-passau.de>
5673         * graphite-scop-detection.c (dot_all_scops_1,
5674         dot_all_scops): Moved here.
5675         * graphite-scop-detection.h (dot_all_scops): Declared here.
5676         * graphite.c (graphite_initialize, graphite_finalize): New.
5677         (graphite_transform_loops): Cleaned up.
5678         * sese.c (debug_oldivs): Moved here.
5679         * graphite-poly.c (graphite_apply_transformations): Renamed
5680         apply_poly_transforms.
5681         (debug_loop_vec): Moved here.
5682         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5683         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5684         find_scop_parameters, build_scop_iteration_domain,
5685         add_conditions_to_constraints, build_scop_canonical_schedules,
5686         build_scop_data_accesses): Now static.
5687         (build_poly_scop, check_poly_representation): New.
5689 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5691         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5692         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5693         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5694         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5695         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5696         scan_tree_for_params, struct irp_data, dx_record_params,
5697         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5698         build_loop_iteration_domains, add_conditions_to_domain,
5699         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5700         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5701         build_sese_conditions, add_conditions_to_constraints,
5702         build_scop_iteration_domain, build_access_matrix_with_af,
5703         build_access_matrix,
5704         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5706         * graphite-sese-to-poly.c: New.
5707         * graphite-sese-to-poly.h: New.
5709         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5711 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5713         * graphite.c: Split graphite code generation to a new file.
5714         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5715         max_precision_type, clast_to_gcc_expression_red,
5716         clast_to_gcc_expression, gcc_type_for_clast_expr,
5717         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5718         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5719         graphite_create_new_guard, clast_get_body_of_loop,
5720         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5721         graphite_create_new_loop, build_iv_mapping, copy_renames,
5722         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5723         compute_cloog_iv_types, free_scattering, save_var_name,
5724         initialize_cloog_names, build_scop_context, build_cloog_prog,
5725         set_cloog_options, debug_clast_stmt, scop_to_clast,
5726         print_generated_program, debug_generated_program,
5727         gloog): Moved to graphite-clast-to-gimple.c.
5729         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5731         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5732         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5733         loop_iv_stack_pop, loop_iv_stack_get_iv,
5734         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5735         free_loop_iv_stack, loop_iv_stack_remove_constants,
5736         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5737         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5738         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5739         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5740         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5741         get_vdef_before_sese, sese_adjust_vphi,
5742         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5743         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5744         is_iv, expand_scalar_variables_ssa_name,
5745         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5746         expand_scalar_variables, rename_variables, remove_condition,
5747         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5748         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5749         default_liveout_before_guard, add_guard_exit_phis,
5750         insert_guard_phis, register_old_and_new_names,
5751         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5752         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5753         if_region_set_false_region, create_if_region_on_edge,
5754         move_sese_in_condition): Moved to sese.c.
5756         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5757         if_region_exit, if_region_get_condition_block,
5758         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5759         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5760         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5761         ivtype_map_elt, new_ivtype_map_elt,
5762         recompute_all_dominators): Moved to sese.h.
5764         * graphite-clast-to-gimple.c: New.
5765         * graphite-clast-to-gimple.h: New.
5766         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5767         * sese.c: Modified as said above.
5768         * sese.h: Same.
5770 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5772         * graphite.c: Split scop detection to a new file.
5773         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5774         move_sd_regions, loop_affine_expr, exclude_component_ref,
5775         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5776         graphite_cannot_represent_loop_niter, struct scopdet_info,
5777         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5778         find_single_entry_edge, find_single_exit_edge,
5779         create_single_entry_edge, sd_region_without_exit,
5780         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5781         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5782         Moved to graphite-scop-detection.c.
5784         * graphite-scop-detection.c: New.
5785         * graphite-scop-detection.h: New.
5786         * Makefile.in: Add new rule for graphite-scop-detection.o.
5788         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5789         tree-scalar-evolution.h.
5790         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5791         build_sese_loop_nests): Moved here from graphite.c.
5792         (param_index): Renamed parameter_index_in_region.
5794 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5795             Sebastian Pop  <sebastian.pop@amd.com>
5797         * gcc.dg/graphite/block-0.c: Expected to fail now.
5798         * gcc.dg/graphite/block-1.c: Same.
5799         * gcc.dg/graphite/block-5.c: Same.
5800         * gcc.dg/graphite/block-6.c: Same.
5802 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5803             Sebastian Pop  <sebastian.pop@amd.com>
5805         * graphite.h: Separate from graphite_bb_p the polyhedral
5806         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5807         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5808         graphite-data-ref.h.
5809         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5810         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5811         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5812         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5813         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5814         scop_nb_params): Moved to graphite-poly.h.
5815         * graphite-data-ref.c: Same.
5816         * graphite-data-ref.h: New.
5817         * graphite.c: Same.
5818         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5819         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5820         is_interchange_valid, graphite_trans_bb_block,
5821         graphite_trans_loop_block, scop_max_loop_depth,
5822         graphite_trans_scop_block, graphite_apply_transformations,
5823         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5824         graphite-poly.c.
5825         * graphite-poly.h: New.
5826         * graphite-poly.c: New.
5827         * Makefile.in (OBJS-common): Add graphite-poly.o.
5828         (graphite-poly.o): New rule.
5829         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5830         (DR_SCOP): Removed.
5832 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5833             Tobias Grosser  <grosser@fim.uni-passau.de>
5835         * graphite.c: Replace gb -> gbb.
5836         * graphite.h: Same.
5837         * graphite-data-ref.c: Same.
5839 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5840             Tobias Grosser  <grosser@fim.uni-passau.de>
5842         * Makefile.in (OBJS-commmon): Add sese.o.
5843         (sese.o): New.
5844         (graphite.o): Add sese.h.
5845         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5846         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5847         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5848         Move to sese.
5849         (block_before_scop): Add missing return.
5850         (new_scop, free_scop): Remove SESE data structures.
5851         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5852         find_scop_parameters, build_loop_iteration_domains,
5853         add_conditions_to_domain, register_scop_liveout_renames,
5854         copy_bb_and_scalar_dependences): Scop -> SESE.
5856         (add_conditions_to_domain): SCoP -> SESE and remove check
5857         (scop_contains_non_iv_scalar_phi_nodes): New.
5858         (build_scop_conditions_1, build_scop_conditions): Remove check for
5859         non iv scalar phi nodes.
5860         (print_scop_statistics): New.
5861         (graphite_transform_loops): Cleanup.
5863         * graphite.h: Move to sese & cleanup.
5864         * sese.c: New.
5865         * sese.h: New.
5867 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5868             Tobias Grosser  <grosser@fim.uni-passau.de>
5870         * graphite.c (build_scop_conditions_1): Conditions are only
5871         at the end of a basic block.
5873 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5874             Tobias Grosser  <grosser@fim.uni-passau>
5876         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5877         field.
5878         (GBB_ALPHA): Removed.
5880 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5881             Tobias Grosser  <grosser@fim.uni-passau.de>
5883         * graphite-data-ref.c (graphite_test_dependence): Don't use
5884         GBB_DYNAMIC_SCHEDULE.
5885         * graphite.c (new_graphite_bb): Same.
5886         (free_graphite_bb): Same.
5887         (build_scop_dynamic_schedules): Removed.
5888         (graphite_transform_loops): Don't call it.
5889         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5890         (GBB_DYNAMIC_SCHEDULE): Removed.
5892 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5893             Tobias Grosser  <grosser@fim.uni-passau.de>
5895         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5896         (print_graphite_bb): Same.
5897         (build_cloog_prog): Same.
5899 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5900             Tobias Grosser  <grosser@fim.uni-passau.de>
5902         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5904 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5905             Tobias Grosser  <grosser@fim.uni-passau.de>
5907         * graphite.c (build_scop_context): Don't use CloogMatrix.
5908         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5909         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5911 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5912             Tobias Grosser  <grosser@fim.uni-passau.de>
5914         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5915         liveout_renames, add_params fields...
5916         (struct sese): ... here.
5917         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5918         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5920 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5921             Tobias Grosser  <grosser@fim.uni-passau.de>
5923         * graphite.c (print_scop): Do not print the CLooG program.
5924         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5925         build_cloog_prog, gloog): Don't use SCOP_PROG.
5926         (find_transform): Renamed scop_to_clast.
5927         (print_generated_program, debug_generated_program): New.
5928         (graphite_transform_loops): Adapt to new interface.
5929         * graphite.h (struct scop): Remove program field.
5930         (SCOP_PROG): Removed.
5931         (print_generated_program, debug_generated_program): Declared.
5933 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5935         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5936         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5937         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5938         free_graphite_bb, build_scop_canonical_schedules,
5939         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5940         schedules are now represented using a ppl_Linear_Expression_t.
5941         * graphite.h (struct graphite_bb): Same.
5942         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5943         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5945 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5947         * graphite.c: Free local memory.
5948         * graphite-ppl.c: Same.
5950 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5952         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5953         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5954         swap_constraint_variables, scale_constraint_variable): Removed.
5955         (graphite_trans_bb_strip_mine): Remove pong.
5956         * graphite-ppl.c: Include missing header files.
5957         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5958         * graphite-ppl.h (ppl_strip_loop): Declared.
5959         * Makefile.in (graphite-ppl.o): Adjust dependences.
5961 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5963         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5964         (build_scop_iteration_domain): Same.
5966 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5968         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5969         ping pong.
5970         (add_value_to_dim, scan_tree_for_params_right_scev,
5971         scan_tree_for_params_int): New.
5972         * graphite-ppl.c (oppose_constraint): New.
5973         (insert_constraint_into_matrix): Implement missing cases.
5974         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5976 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5978         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5979         use ppl_move_dimension.
5981 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5983         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5984         * graphite.c: Same.
5985         * graphite.h: Same.
5986         * graphite-ppl.c: Same.
5987         * graphite-ppl.h: Same.
5989 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5991         Revert last 3 commits.
5993 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5995         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5996         ping pong.
5997         (add_value_to_dim, scan_tree_for_params_right_scev,
5998         scan_tree_for_params_int): New.
5999         * graphite-ppl.c (oppose_constraint): New.
6000         (insert_constraint_into_matrix): Implement missing cases.
6001         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6003 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6005         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
6007 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6008             Tobias Grosser  <grosser@fim.uni-passau.de>
6010         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6011         use ppl_move_dimension.
6012         * graphite-ppl.c (ppl_move_dimension): New.
6013         * graphite-ppl.h (ppl_move_dimension): Declared.
6015 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6017         * graphite.c: Do not include cloog/cloog.h.
6018         (print_graphite_bb): Remove ping pong, call PPL print function.
6020 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6022         * Makefile.in (OBJS-common): Add graphite-ppl.o.
6023         (graphite.o): Add dependence on graphite-ppl.h.
6024         (graphite-ppl.o): New.
6025         (graphite-data-ref.c): Ping pong between PPL data structures
6026         and matrices.
6027         * graphite-ppl.c: New.
6028         * graphite-ppl.h: New.
6029         * graphite.c: Include graphite-ppl.h.
6030         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
6031         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
6032         Ping pong between PPL data structures and matrices.
6033         (new_graphite_bb): Create a PPL constraint system.
6034         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
6035         (build_loop_iteration_domains): Use PPL functions.
6036         * graphite.h: Include graphite-ppl.h.  Fix comments.
6037         (graphite_bb): Use a ppl_Constraint_System_t instead of
6038         CloogMatrix for representing the domain.
6039         (scop): Remove static_schedule.
6040         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
6042 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
6044         * graphite.c: Fix some comments.
6046 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6048         PR middle-end/38953
6049         * graphite.c (if_region_set_false_region): After moving a region
6050         in the false branch of a condition, remove the empty dummy
6051         basic block.
6052         (gloog): Remove wrong fix for PR38953.
6054 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6056         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6057         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6058         register_bb_in_sese, new_sese, free_sese): Moved.
6059         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6060         outermost_loop_in_scop, build_scop_iteration_domain,
6061         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6062         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6063         Use loop_in_sese_p instead of loop_in_scop_p.
6064         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6065         (free_scop): Do not free SCOP_BBS_B.
6066         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
6067         ref_nb_loops): Moved here...
6068         * graphite.h (ref_nb_loops): ... from here.
6069         (struct scop): Remove bbs_b bitmap.
6070         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6071         * gcc.dg/graphite/scop-19.c: New
6073 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6075         * graphite.c (scopdet_basic_block_info): Fix bug in scop
6076         detection.
6078 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6080         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6081         eq_loop_to_cloog_loop): Remove.
6082         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6083         * graphite.h (struct scop): Remove loop2cloog_loop.
6084         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6086 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6088         * opts.c (decode_options): Only add graphite options to O2
6089         if we compile with graphite enabled.
6091 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6093         * Merge from mainline (r143163:143684).
6095 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6097         * graphite.c (debug_value): Removed.
6098         * graphite.h (debug_value): Removed.
6100 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6102         * passes.c (init_optimization_passes): Do not call pass_copy_prop
6103         after graphite: pass_copy_prop does not maintain a proper loop closed
6104         SSA form.  pass_copy_prop should be fixed.
6106 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6108         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6110 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6112         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6113         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6114         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6115         changed the CFG.
6117 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6119         * graphite.c (gloog): Return true when code gen succeeded.
6120         (graphite_transform_loops): Do not call cleanup_tree_cfg if
6121         the code of the function did not changed.  After cleanup_tree_cfg
6122         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6123         form.
6125 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6127         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6128         gimple_call_lhs is NULL.
6130 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6131             Tobias Grosser  <tobi.grosser@amd.com>
6133         * graphite.c (graphite_trans_scop_block): Do not block single
6134         nested loops.
6136 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6137             Tobias Grosser  <tobi.grosser@amd.com>
6139         * graphite.c (build_scop_canonical_schedules): Start schedules at
6140         zero.
6142 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6143             Tobias Grosser  <tobi.grosser@amd.com>
6145         * graphite.c (compare_prefix_loops): New.
6146         (build_scop_canonical_schedules): Rewritten.
6147         (graphite_transform_loops): Move build_scop_canonical_schedules
6148         after build_scop_iteration_domain.
6150 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6151             Tobias Grosser  <tobi.grosser@amd.com>
6153         * graphite.c (add_conditions_to_domain): Add the loops to
6154         the dimension of the iteration domain.  Do copy the domain
6155         only when it exists.
6156         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6157         (add_conditions_to_constraints): New.
6158         (can_generate_code_stmt, can_generate_code): Removed.
6159         (gloog): Do not call can_generate_code.
6160         (graphite_transform_loops): Call add_conditions_to_constraints
6161         after building the iteration domain.
6163 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6164             Tobias Grosser  <tobi.grosser@amd.com>
6165             Jan Sjodin  <jan.sjodin@amd.com>
6167         * graphite.c (scan_tree_for_params): On substractions negate
6168         all the coefficients of the term.
6169         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6170         of more than two operands.
6171         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6172         (get_vdef_before_scop): Handle also the case of default definitions.
6174 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6176         PR middle-end/38431
6177         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6178         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6179         (gloog): Do not call cleanup_tree_cfg.
6180         (graphite_transform_loops): Call cleanup_tree_cfg after all
6181         scops have been code generated.
6183 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6185         * passes.c (init_optimization_passes): Schedule after
6186         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6188 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6190         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6191         Fix comment.
6192         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6193         Set the type of an expression to the type of its assign statement.
6194         (expand_scalar_variables_expr):  Do not pass loop_p.
6195         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6196         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6197         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6199 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6201         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
6202         an expression to the gimple_expr_type of its assign statement.
6203         (expand_scalar_variables_expr): Stop recursion on tcc_constant
6204         or tcc_declaration.
6206 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6208         PR tree-optimization/38786
6209         * gcc.dg/graphite/pr38786.c: New.
6210         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6211         the SSA_NAME case of expand_scalar_variables_expr.
6212         (expand_scalar_variables_expr): Also gather the scalar computation
6213         used to index the memory access.
6214         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6215         the gimple_stmt_iterator where it inserts new code.
6217 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6219         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6221 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6223         * opts.c (decode_options): Enable flag_graphite_identity and
6224         flag_loop_block in -O2 and above.
6226 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6228         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6229         Fix merge problem: replace with the file from trunk.
6231 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6233         * Merge from mainline (r141727:143163).
6235 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6236             Jan Sjodin  <jan.sjodin@amd.com>
6238         PR tree-optimization/38559
6239         * gcc.dg/graphite/pr38559.c: New.
6241         * graphite.c (debug_value, copy_constraint,
6242         swap_constraint_variables, scale_constraint_variable, ): New.
6243         (get_lower_bound, get_upper_bound): Removed.
6244         (graphite_trans_bb_strip_mine): Clean up this code that works
6245         only for constant number of iterations.  Fully copy upper and
6246         lower bound constraints, not only the constant part of them.
6247         * graphite.h (debug_value): Declared.
6249 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6251         PR tree-optimization/38492
6252         PR tree-optimization/38498
6253         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6254         * tree-chrec.h (scev_is_linear_expression): Declared.
6255         * graphite.c (graphite_cannot_represent_loop_niter): New.
6256         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6257         (graphite_loop_normal_form): Use gcc_assert.
6258         (scan_tree_for_params): Use CASE_CONVERT.
6259         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6260         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6261         Use gcc_assert.  Discard scops that contain unhandled cases.
6262         (build_scop_conditions): Return a boolean status for unhandled cases.
6263         (strip_mine_profitable_p): Print the loop number, not its depth.
6264         (is_interchange_valid): Pass the depth of the loop nest, don't
6265         recompute it wrongly.
6266         (graphite_trans_bb_block): Same.
6267         (graphite_trans_bb_block): Print tentative of loop blocking.
6268         (graphite_trans_scop_block): Do not print that the loop has been
6269         blocked.
6270         (graphite_transform_loops): Do not handle scops that contain condition
6271         scalar phi nodes.
6273         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6274         in trunk.
6275         * gcc.dg/graphite/block-0.c: Update test.
6276         * gcc.dg/graphite/block-1.c: Same.
6277         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6278         blocking.
6279         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6280         * gcc.dg/graphite/block-3.c: New.
6281         * gcc.dg/graphite/pr38498.c: New.
6283 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6285         PR tree-optimization/38510
6286         * gcc.dg/graphite/pr38510.c: New.
6287         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6288           (translate_clast): Call recompute_all_dominators before
6289           graphite_verify.
6290           (gloog): Call recompute_all_dominators before graphite_verify.
6292 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6294         PR tree-optimization/38492
6295         * graphite.c (rename_map_elt, debug_rename_elt,
6296         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6297         rename_map_elt_info, eq_rename_map_elts,
6298         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6299         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6300         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6301         (sese_build_livein_liveouts): New.
6302         (new_sese, free_sese): New.
6303         (new_scop): Call new_sese.
6304         (free_scop): Call free_sese.
6305         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6306         (register_old_new_names): Renamed register_old_and_new_names.
6307         (register_scop_liveout_renames, add_loop_exit_phis,
6308         insert_loop_close_phis, struct igp,
6309         default_liveout_before_guard, add_guard_exit_phis,
6310         insert_guard_phis, copy_renames): New.
6311         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6312         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6313         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6314         (scop_adjust_phis_for_liveouts): New.
6315         (gloog): Call scop_adjust_phis_for_liveouts.
6317         * graphite.h (struct sese): Documented.  Added fields liveout,
6318         num_ver and livein.
6319         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6320         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6321         (struct scop): Added field liveout_renames.
6322         (SCOP_LIVEOUT_RENAMES): New.
6324 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6326         PR tree-optimization/38409
6327         * gcc.dg/graphite/pr38409.c: New.
6328         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6330 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6332         * graphite.c (gcc_type_for_cloog_iv): By default return
6333         integer_type_node.
6334         (graphite_create_new_loop): Don't fold_convert the already
6335         fold_convert-ed expression.
6337 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6339         PR tree-optimization/38446
6340         * gcc.dg/graphite/pr38446.c: New.
6341         * graphite.c (register_bb_in_sese): New.
6342         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6343         looking at the bbs in the region.
6344         * graphite.h (sese): Add region_basic_blocks pointer set to
6345         structure and initialize at the time of defining new scop.
6347 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6349         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6350         (find_params_in_bb): Do not free data refs.
6351         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6353 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6355         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6356         * gcc.dg/graphite/scop-17.c: Same.
6357         * gcc.dg/graphite/block-5.c: New.
6358         * gcc.dg/graphite/block-6.c: New.
6359         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6360         * gcc.dg/graphite/pr37684.c: Same.
6361         * gcc.dg/graphite/block-2.c: Same.
6363         * graphite.c (struct ivtype_map_elt): New.
6364         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6365         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6366         gcc_type_for_cloog_iv): New.
6367         (loop_iv_stack_patch_for_consts): Use the type of the induction
6368         variable from the original loop, except for the automatically
6369         generated loops, i.e., in the case of a strip-mined loop, in
6370         which case there is no original loop: in that case just use
6371         integer_type_node.
6372         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6373         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6374         (clast_name_to_gcc): Accept params to be NULL.
6375         (clast_to_gcc_expression): Take an extra parameter for the type.
6376         Convert to that type all the expressions built by this function.
6377         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6378         (graphite_translate_clast_equation): Compute the type of the
6379         clast_equation before translating its LHS and RHS.
6380         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6381         (graphite_create_new_loop): Compute the type of the induction
6382         variable before translating the lower and upper bounds and before
6383         creating the induction variable.
6384         (rename_variables_from_edge, rename_phis_end_scop): New.
6385         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6386         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6387         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6388         compute_cloog_iv_types): New.
6389         (gloog): Call compute_cloog_iv_types before starting the
6390         translation of the clast.
6392         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6393         (GBB_CLOOG_IV_TYPES): New.
6394         (debug_ivtype_map): Declared.
6395         (oldiv_for_loop): New.
6397 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6399         PR middle-end/38459
6400         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6401         (param_index): Assert if parameter is not know after parameter
6402         detection.
6403         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6404         (find_scop_parameters): Mark, that we have finished parameter
6405         detection.
6406         (graphite_transform_loops): Move condition detection before parameter
6407         detection.
6408         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6409         * gfortran.dg/graphite/pr38459.f90: New.
6411 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6413         * graphite.c (graphite_transform_loops): Always call find_transform ()
6414         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6415         generate code.
6417 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6419         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6420         (print_scop): Ditto.
6422 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6424         PR middle-end/38084
6425         Fix gfortran.dg/graphite/id-3.f90.
6426         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6427         regions more than once.
6429 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6431         Fix gfortran.dg/graphite/id-4.f90.
6432         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6433         when not needed.
6435 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6437         Fix gfortran.dg/graphite/id-1.f90.
6438         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6439         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6440         (max_precision_type): New.
6441         (value_clast): Removed.
6442         (clast_to_gcc_expression): Be more careful to types of expressions.
6443         Use max_precision_type and update use of gmp_cst_to_tree.
6444         (graphite_translate_clast_equation): Use max_precision_type.
6445         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6446         use the type of the condition.
6447         (graphite_create_new_loop): Do not use integer_type_node, use the
6448         max_precision_type of lb and ub.
6450 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6452         * graphite.c (build_scops_1): Initialize open_scop.exit
6453         and sinfo.last.
6455 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6457         * gcc.dg/graphite/pr38084.c: New.
6458         * gfortran.dg/graphite/id-1.f90: New.
6459         * gfortran.dg/graphite/id-2.f90: New.
6460         * gfortran.dg/graphite/id-3.f90: New.
6461         * gfortran.dg/graphite/id-4.f90: New.
6462         * gfortran.dg/graphite/pr37857.f90: New.
6464 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6465             Jan Sjodin  <jan.sjodin@amd.com>
6466             Harsha Jagasia  <harsha.jagasia@amd.com>
6468         PR middle-end/37852
6469         PR middle-end/37883
6470         PR middle-end/37928
6471         PR middle-end/37980
6472         PR middle-end/38038
6473         PR middle-end/38039
6474         PR middle-end/38073
6475         PR middle-end/38083
6476         PR middle-end/38125
6478         * gcc.dg/graphite/pr38073.c: New.
6479         * gcc.dg/graphite/pr37928.c: New.
6480         * gcc.dg/graphite/pr37883.c: New.
6481         * gcc.dg/graphite/pr38125.c: New.
6482         * gfortran.dg/graphite/pr38083.f90: New.
6483         * gfortran.dg/graphite/pr37852.f90: New.
6484         * gfortran.dg/graphite/pr37980.f90: New.
6486         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6487         the number of detected scops.  Copy exact same test for loop
6488         blocking...
6489         * gcc.dg/graphite/block-1.c: Fix the number of expected
6490         loops to be blocked as reductions are not handled.
6491         * gcc.dg/graphite/block-4.c: ...here.  New.
6493         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6494         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6495         ...here.
6496         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6497         * Makefile.in (graphite.o): Depend on value-prof.h.
6498         (graphite.o-warn): Removed -Wno-error.
6499         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6500         to be a NULL pointer.  Call update_stmt.  Return the newly created
6501         cannonical induction variable.
6503         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6505         * graphite.c: Reimplement the code generation from graphite to gimple.
6506         Include value-prof.h.
6507         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6508         (get_old_iv_from_ssa_name): Removed.
6509         (graphite_stmt_p): New.
6510         (new_graphite_bb): Test for useful statements before building a
6511         graphite statement for the basic block.
6512         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6513         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6514         reason.
6515         (recompute_all_dominators, graphite_verify,
6516         nb_reductions_in_loop, graphite_loop_normal_form): New.
6517         (scop_record_loop): Call graphite_loop_normal_form.
6518         (build_scop_loop_nests): Iterate over all the blocks of the
6519         function instead of relying on the incomplete information from
6520         SCOP_BBS.  Return the success of the operation.
6521         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6522         (add_bb_domains): Removed.
6523         (build_loop_iteration_domains): Don't call add_bb_domains.
6524         Add the iteration domain only to the basic blocks that have been
6525         translated to graphite.
6526         (build_scop_conditions_1): Add constraints only if the basic
6527         block have been translated to graphite.
6528         (build_scop_data_accesses): Completely disabled until data
6529         dependence is correctly implemented.
6530         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6531         (remove_all_edges_1, remove_all_edges): Removed.
6532         (get_new_name_from_old_name): New.
6533         (graphite_rename_variables_in_stmt): Renamed
6534         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6535         Use replace_exp and update_stmt.
6536         (is_old_iv): Renamed is_iv.
6537         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6538         Use replace_exp and update_stmt.
6539         (expand_scalar_variables_expr): Same.  Use the map to get the
6540         new names for the renaming of induction variables and for the
6541         renaming of variables after a basic block has been copied.
6542         (expand_scalar_variables): Same.
6543         (graphite_rename_variables): Renamed rename_variables.
6544         (move_phi_nodes): Removed.
6545         (get_false_edge_from_guard_bb): New.
6546         (build_iv_mapping): Do not insert the induction variable of a
6547         loop in the renaming iv map if the basic block does not belong
6548         to that loop.
6549         (register_old_new_names, graphite_copy_stmts_from_block,
6550         copy_bb_and_scalar_dependences): New.
6551         (translate_clast): Heavily reimplemented: copy basic blocks,
6552         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6553         At each translation step call graphite_verify ensuring the
6554         consistency of the SSA, loops and dominators information.
6555         (collect_virtual_phis, find_vdef_for_var_in_bb,
6556         find_vdef_for_var_1, find_vdef_for_var,
6557         patch_phis_for_virtual_defs): Removed huge hack.
6558         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6559         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6560         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6561         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6562         if_region_get_condition_block, if_region_set_false_region,
6563         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6564         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6565         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6566         rewrite_into_sese_closed_ssa): New.
6567         (gloog): Remove dead code.  Early return if code cannot be
6568         generated.  Call cleanup_tree_cfg once the scop has been code
6569         generated.
6570         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6571         block loops with less than two loops.
6572         (graphite_apply_transformations): Remove the call to
6573         scop_remove_ignoreable_gbbs.
6574         (limit_scops): When build_scop_loop_nests fails, continue on
6575         the next scop.  Fix open_scop.entry.
6576         (graphite_transform_loops): Call recompute_all_dominators: force the
6577         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6578         Call initialize_original_copy_tables and free_original_copy_tables
6579         to be able to copy basic blocks during code generation.
6580         When build_scop_loop_nests fails, continue on next scop.
6581         (value_clast): New union.
6582         (clast_to_gcc_expression): Fix type cast warning.
6584 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6586         * Merge from mainline (r140838:141727).
6588 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6590         PR middle-end/37833
6592         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6594 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6596         PR middle-end/37943
6598         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6599         exits and conditions.
6600         * gcc.dg/graphite/pr37943.c: New.
6602 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6604         PR middle-end/37886
6605         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6607 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6609         * doc/invoke.texi: Fix spaces.
6611 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6613         PR tree-optimization/37891
6614         Reverted last commit.
6615         * graphite.c (create_single_entry_edge): Set
6616         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6618 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6619             Mitul Thakkar  <mitul.thakkar@amd.com>
6621         * graphite.c (create_single_entry_edge): Set
6622         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6624 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6626         * doc/invoke.texi: Add -fgraphite-identity.
6627         * graphite.c (graphite_apply_transformations): Check for
6628         -fgraphite-identity.
6629         * toplev.c (process_options): Add flag_graphite_identity.
6630         * tree-ssa-loop.c: Add flag_graphite_identity.
6632 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6634         Undo changes from 2008-10-02:
6635         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6636         operand type when copying the operand to a variable of different type.
6637         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6638         with the IV name after increment.
6640 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6641             Harsha Jagasia  <harsha.jagasia@amd.com>
6643         PR tree-optimization/37828
6644         * gcc.dg/graphite/pr37828.c: New.
6645         * graphite.c (graphite_trans_loop_block): Do not loop block
6646         single nested loops.
6648 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6649             Sebastian Pop  <sebastian.pop@amd.com>
6651         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6652         rename_map_elt_info, eq_rename_map_elts): New.
6653         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6654         (expand_scalar_variables_expr): Change parameters.
6655         (expand_scalar_variables_stmt): Same.
6656         (expand_scalar_variables): Same.
6657         (graphite_rename_ivs): Rename graphite_rename_variables.
6658         (build_iv_mapping): New.
6659         (translate_clast): Call build_iv_mapping.
6660         * graphite.h (gbb_p): New name.
6662 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6664         PR tree-optimization/37684
6665         * gcc.dg/graphite/pr37684.c: New.
6666         * graphite.c (exclude_component_ref): New.
6667         (is_simple_operand): Call exclude_component_ref.
6669 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6670             Harsha Jagasia  <harsha.jagasia@amd.com>
6672         PR tree-optimization/37485
6673         * gcc.dg/graphite/block-2.c: New
6674         * graphite.c (gmp_cst_to_tree): Moved.
6675         (iv_stack_entry_is_constant): New.
6676         (iv_stack_entry_is_iv): New.
6677         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6678         (loop_iv_stack_insert_constant): New.
6679         (loop_iv_stack_pop): Use new datatpype.
6680         (loop_iv_stack_get_iv): Same.
6681         (loop_iv_stack_get_iv_from_name): Same.
6682         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6683         (loop_iv_stack_patch_for_consts): New.
6684         (loop_iv_stack_remove_constants): New.
6685         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6686         (translate_clast): Call loop_iv_stack_patch_for_consts and
6687         loop_iv_stack_remove_constants.
6688         (gloog): Use new datatype.  Redirect construction edge to end
6689         block to avoid accidental deletion.
6690         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6691         iv stack entry.
6692         (union iv_stack_entry_data): New.  Data in iv stack entry.
6693         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6695 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6697         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6698         operand type when copying the operand to a variable of different type.
6700 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6702         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6703         with the IV name after increment.
6705 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6707         * Merge from mainline (r140164:140838).
6709 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6711         * graphite-data-ref.c: New.
6712         * graphite.c (print_scop): Also dump the dependence graph.
6713         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6714         (new_scop): Initialize SCOP_DEP_GRAPH.
6715         (build_scop_dynamic_schedules): New.
6716         (build_access_matrix_with_af): Fixed column numbering.
6717         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6718         * graphite.h: Add ifndef/define guards against multiple inclusion.
6719         (struct scop): Add dep_graph field.
6720         (SCOP_DEP_GRAPH): Defined.
6721         (ref_nb_loops): Fixed and moved to other position.
6722         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6723         (nb_loops_around_loop_in_scop): New.
6724         (graphite_dump_dependence_graph): Declared.
6725         (graphite_build_rdg_all_levels): Declared.
6726         (graphite_test_dependence): Declared.
6727         * Makefile.in (graphite-data-ref.o): New target.
6729 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6731         * Merge from mainline (139870:140164).
6733 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6735         * Merge from mainline (138275:139870).
6736         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6737         the commits from trunk broke the niter detection.
6739 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6741         * graphite.c: Add more documentation.  Fix formatting.
6742         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6743         loop_iv_stack_debug): Moved...
6744         (schedule_to_scattering): Move before use.
6745         (dot_all_scops): Include in "#if 0" the code for system
6746         call dotty.
6748         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6749         loop_iv_stack_debug): ...here.
6751 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6753         * tree-phinodes.c (make_phi_node): Extern.
6754         (add_phi_node_to_bb): New.
6755         (create_phi_node): Call add_phi_node_to_bb.
6756         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6757         (remove_statement): Handle case where stored phi was updated
6758         and is no longer the same.
6759         * graphite.c (is_parameter): New.
6760         (is_old_iv): New.
6761         (expand_scalar_variables_expr): New.
6762         (expand_scalar_variables_stmt): New.
6763         (expand_scalar_variables): New.
6764         (move_phi_nodes): Create new phi instead of moving old one.
6765         (translate_clast): Call expand_scalar_variables.
6766         (find_vdef_for_var_in_bb): Also scan regular definitions.
6767         (skip_phi_defs): New.
6768         (collect_scop_exit_phi_args): New.
6769         (patch_scop_exit_phi_args): New.
6770         (gloog): Patch phis after scop.
6771         * tree-flow.h: (add_phi_node_to_bb): Declared.
6772         (make_phi_node): Declared.
6774 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6776         * graphite.c (end_scop): Split the entry of the scop when it
6777         is the header of the loop in which the scop is ending.
6778         (build_scops_1, limit_scops): Update uses of end_scop.
6780 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6782         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6783         SCOP_ENTRY or SCOP_EXIT.
6785 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6787         * graphite.c (get_construction_edge): Removed.
6788         (gloog): Construction edge is the scop entry edge.
6790 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6792         * graphite.c (can_generate_for_scop): Removed.
6793         (gloog): Do not call it.
6795 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6797         * graphite.c (new_scop): Entry of a scop is an edge.
6798         Initialize SESE region.
6799         (free_scop): Free SESE region.
6800         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6801         (split_difficult_bb): New, split from end_scop.
6802         (end_scop): Exit of a scop is an edge.
6803         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6804         not automatically updated and thus is always wrong.
6805         * graphite.h (struct sese): New.
6806         (SESE_ENTRY): New.
6807         (SESE_EXIT): New.
6808         (struct scop): New field for a SESE region.  Remove entry, exit.
6809         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6810         semantics as before.  Moved comment around.
6812 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6813             Sebastian Pop  <sebastian.pop@amd.com>
6815         * graphite.c (graphite_transform_loops): Always enable gloog
6816         and find_transform when ENABLE_CHECKING.
6818 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6820         * graphite.c (graphite_transform_loops): Move pretty printer
6821         of SCOPs before doing any transform.  Remove call to print_scops
6822         and dot_all_scops_1.
6824 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6826         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6827         (print_graphite_bb): Same.
6829 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6831         * graphite.c (dot_all_scops_1): Cleanup.
6832         (move_scops): Fix comment.
6834 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6836         * graphite.c (build_scop_bbs): Revert commit 139355:
6838         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6839                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6841                 * graphite.c (build_scop_bbs): Factor up code.
6843 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6845         * graphite.c (gloog): Update dominator info.
6847 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6849         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6851 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6853         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6854         initialization.
6855         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6856         (translate_clast): Correct formatting.
6857         * graphite.h (struct num_map): Removed.
6858         (struct graphite_bb): Remove num_map field.
6859         (GBB_INDEX_TO_NUM_MAP): Removed.
6861 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6863         * graphite.c (build_access_matrix_with_af): Fix comments.
6864         (build_scop_data_accesses): Same.
6866 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6868         * graphite.c (build_scop_data_accesses): Don't construct
6869         access matrices.  Add a FIXME and an assert condition that
6870         should pass when the access matrices will be needed.
6872 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6874         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6875         really_constant_p.
6876         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6877         Moved close by free_graphite_bb.
6878         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6879         (new_scop): Move close by free_scop.
6880         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6882 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6884         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6885         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6886         instead of recursive call.
6887         (graphite_translate_clast_equation): New.
6888         (graphite_create_guard_cond_expr): New.
6889         (graphite_create_new_guard): New.
6890         (get_stack_index_from_iv): Removed.
6891         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6892         (get_true_edge_from_guard_bb): New.
6893         (translate_clast): Handle stmt_guard in clast.
6894         (get_construction_edge): Allow construction edge detection for
6895         a scope entry with multiple predecessors if one predecessor is
6896         the immediate dominator of scope entry.
6897         (can_generate_code_stmt): Enable code generation for clast_guard.
6898         (gloog): Use correct context loop.  Removed check for post dominators.
6899         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6901 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6903         * graphite.c (remove_dead_loops): Document better which
6904         loops are removed.
6906 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6908         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6909         and PPLINC.
6910         (graphite.o): Also depends on pointer-set.h.
6912 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6914         * graphite.c (scop_record_loop): Fix compile warning.
6916 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6917             Sebastian Pop  <sebastian.pop@amd.com>
6919         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6921 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6923         * graphite.c (build_graphite_bb): Initialize bb->aux to
6924         point to the graphite_bb_p.
6925         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6926         content of bb->aux.
6927         (add_bb_domains): Does not use the scop parameter.
6928         (graphite_transform_loops): Clean bb->aux at the end.
6930 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6931             Sebastian Pop  <sebastian.pop@amd.com>
6933         * lib/target-supports.exp
6934         (check_effective_target_fgraphite): New.
6936         * gcc.dg/graphite/graphite.exp: Early exit when
6937         check_effective_target_fgraphite returns false.
6938         Set dg-do-what-default to compile.
6939         (scan-graphite-dump-times): Removed.
6940         * gfortran.dg/graphite/graphite.exp: Same.
6942         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6943         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6944         * gcc.dg/graphite/scop-1.c: Same.
6945         * gcc.dg/graphite/scop-2.c: Same.
6946         * gcc.dg/graphite/scop-3.c: Same.
6947         * gcc.dg/graphite/scop-4.c: Same.
6948         * gcc.dg/graphite/scop-5.c: Same.
6949         * gcc.dg/graphite/scop-6.c: Same.
6950         * gcc.dg/graphite/scop-7.c: Same.
6951         * gcc.dg/graphite/scop-8.c: Same.
6952         * gcc.dg/graphite/scop-9.c: Same.
6953         * gcc.dg/graphite/scop-10.c: Same.
6954         * gcc.dg/graphite/scop-11.c: Same.
6955         * gcc.dg/graphite/scop-12.c: Same.
6956         * gcc.dg/graphite/scop-13.c: Same.
6957         * gcc.dg/graphite/scop-matmult.c: Same.
6958         * gcc.dg/graphite/scop-14.c: Same.
6959         * gcc.dg/graphite/scop-15.c: Same.
6960         * gcc.dg/graphite/block-0.c: Same.
6961         * gcc.dg/graphite/scop-16.c: Same.
6962         * gcc.dg/graphite/block-1.c: Same.
6963         * gcc.dg/graphite/scop-17.c: Same.
6964         * gcc.dg/graphite/scop-18.c: Same.
6965         * gfortran.dg/graphite/block-1.f90: Same.
6966         * gfortran.dg/graphite/scop-1.f: Same.
6967         * gfortran.dg/graphite/block-2.f: Same.
6969 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6971         * graphite.c: Fix some XXX comments.
6972         (build_scop_dynamic_schedules): Removed.
6974 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6976         * graphite.h (scop_max_loop_depth): Moved...
6977         * graphite.c (scop_max_loop_depth): ...here.
6978         (remove_all_edges_1): New.
6979         (remove_all_edges): Factored code.
6980         (remove_cond_exprs): Check only the last statement for
6981         a GIMPLE_COND expression.
6983 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6985         * graphite.c (scan_tree_for_params): Early return when the
6986         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6987         (find_scop_parameters): Factor out code.
6988         (graphite_trans_bb_strip_mine): Remove dead code.
6990 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6992         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6993         graphite_trans_bb_move_loop): Factor asserts.
6994         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6995         Do not call calculate_dominance_info and estimate_bb_frequencies.
6997 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6999         * graphite.c (create_loops_mapping, free_loops_mapping,
7000         create_loops_mapping_num, debug_loop_mapping_1,
7001         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
7002         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
7003         graphite_loops_mapping_add_child_num,
7004         graphite_loops_mapping_insert_child,
7005         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
7006         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
7007         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
7008         create_num_from_index, get_num_from_index,
7009         swap_loop_mapped_depth): Removed.
7010         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
7011         (free_scop): Do not call free_loops_mapping.
7012         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
7013         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
7014         get_loop_mapped_depth.
7015         (graphite_trans_bb_move_loop): Do not update the loop mapping.
7016         (graphite_trans_bb_strip_mine): Same.
7017         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
7018         (struct scop): Remove field loops_mapping.
7020 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7021             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7023         * graphite.c (scop_record_loop): Factor out one level of the
7024         condition by early return.
7025         (build_scop_loop_nests): Format following FSF coding style.
7026         (build_scop_dynamic_schedules): Factor out code.
7027         (scopdet_bb_info): Reindent.  Default case should not be reachable.
7029 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7030             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7032         * graphite.c (loop_affine_expr): Check for DECL_P or struct
7033         assignments that are not handled as simple operands for now.
7035 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7036             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7038         * graphite.c (build_scop_bbs): Factor up code.
7040 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7041             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7043         * graphite.c (stmt_simple_for_scop_p): Factor code out
7044         of the loop.
7045         (enum gbb_type): New.  Group all the GBB_* types under it.
7046         (is_loop_exit): Moved...
7047         (end_scop): Enable BB spliting.
7048         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
7049         * cfgloop.h (is_loop_exit): Declared.
7051 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7053         * doc/invoke.texi: Remove strides from examples containing
7054         DO loops when the strides are equal to 1.
7056 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7057             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7059         * graphite.c (graphite_trans_scop_block): Or the result with
7060         the result from graphite_trans_loop_block.
7061         * gcc.dg/graphite/block-1.c: New.
7062         * gfortran.dg/graphite/block-1.f90: New.
7063         * gfortran.dg/graphite/block-2.f: New.
7065 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7067         * graphite.c (graphite_transform_loops): Call cloog_initialize
7068         and cloog_finalize.
7070 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7072         * tree-data-ref.c) (stmt_simple_memref_p): New.
7073         * tree-data-ref.h (stmt_simple_memref_p): Declared.
7074         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
7075         (is_simple_operand): Call stmt_simple_memref_p.
7077         * gcc.dg/graphite/scop-matmult.c: Updated for not
7078         using pointer arithmetic, as this is optimized by PRE and
7079         makes the code too difficult to analyze.
7081         * gcc.dg/graphite/scop-18.c: Same.
7083 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7085         * gdbinit.in (pgg): New.
7087 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7089         * graphite.c (graphite_trans_loop_block): Fix warning.
7091 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7093         * graphite.c (graphite_trans_loop_block): Fix my merge error.
7095 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7097         * graphite.c (graphite_trans_bb_block): Remove check for
7098         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7099         Check if loop blocking is profitable for every loop, before applying
7100         the changes.
7101         (graphite_apply_transformations): Call graphite_trans_bb_block only,
7102         if flag_loop_block is set.
7104 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7106         * graphite.c: Add some more documentation for the loop
7107         mapping.
7109 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7111         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7112         * graphite.c: Format on less than 80 columns.
7113         * graphite.h: Same.
7115 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7117         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7119 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7121         * doc/invoke.texi (floop-block, floop-strip-mine,
7122         floop-interchange): Update documentation with examples.
7124 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7126         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7127         add_referenced_var.
7128         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
7130 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7132         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7133         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7134         * tree-scalar-evolution.c: Revert useless changes.
7135         * tree-phinodes.c: Same.
7136         * cfghooks.c: Same.
7137         * vec.h: Same.
7138         * tree-vectorizer.h: Same.
7139         * tree-flow.h: Same.
7140         * tree-cfg.c: Same.
7141         * common.opt (fgraphite): Update documentation.
7143 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7145         * doc/invoke.texi (-floop-block, -floop-strip-mine,
7146         -floop-interchange): Add more text for explaining what each of these
7147         flags is doing.
7148         * tree-into-ssa.c (gimple_vec): Moved to...
7149         * graphite.c: Include gimple.h.
7150         (gimple_vec): Moved to...
7151         (del_loop_to_cloog_loop): Removed.
7152         (loop_affine_expr): Do not call create_data_ref when the
7153         operand is a constant.
7154         (new_scop): Use free instead of del_loop_to_cloog_loop.
7155         * Makefile.in (graphite.o): Depend on GIMPLE_H.
7156         * gimple.h (gimple_vec): ... here.
7158 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7160         * graphite.c (scopdet_bb_info): Only allow loops with known number of
7161         latch executions.
7162         (build_loop_iteration_domains): Fail, if latch executions unknown.
7164 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7166         * graphite.c (add_conditions_to_domain): New.
7167         (build_scop_conditions_1): Call add_conditions_to_domain.
7168         (set_cloog_options): Allow to disable optimizations.
7170 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7172         * graphite.c (find_params_in_bb): Look for parameters in conditions.
7173         Do not use walk_dominator_tree.
7174         (find_scop_parameters): Do not use walk_dominator_tree.
7176 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7178         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
7179         (idx_record_params): Adapt.
7180         * graphite.h (scop_gimple_loop_depth): New.
7182 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7184         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
7185         (scan_tree_for_params): Remove value_init.
7186         (build_scop_context): Remove value_init.
7187         (build_loop_iteration_domains): Remove value_init.
7188         (schedule_to_scattering): Remove value_init.
7189         (graphite_trans_bb_strip_mine): Remove value_init.
7191 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7193         * gcc/graphite.c (limit_scops): New.
7194         (graphite_transform_loops): Add limit SCoPs.
7195         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7196         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7197         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7198         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7199         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7200         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7201         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7202         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7203         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7204         Change loop numbers.
7205         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7206         Change loop numbers.
7207         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7208         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7209         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7210         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7211         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7212         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7213         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7214         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7215         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7216         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7218 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7220         * graphite.c (graphite_transform_loops): Call always find_transform.
7222 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7224         * graphite.c (free_loops_mapping): New.
7225         (stmt_simple_for_scop_p): Fix typo.
7226         (stmt_simple_for_scop_p): Fix tuples functions, that
7227         broke polyhedron.
7228         (free_graphite_bb): Fix some memleaks.
7229         (free_scop): Fix some memleaks.
7230         (scopdet_bb_info): Do not forget some tmp SCoPs.
7231         (find_params_in_bb): Fix some memleaks.
7232         (clast_to_gcc_expression): Fix warning.
7234 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7236         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7237         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7239 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7241         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7242         Move code ifdef-ed HAVE_cloog...
7243         * graphite.c: Include toplev.h.
7244         ... here.
7245         * Makefile.in (OBJS-common): Always build graphite.o.
7246         (BACKEND): Remove @GRAPHITE@.
7247         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7248         (graphite.o): Depend on TOPLEV_H.
7250 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7252         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7253         Remove typo left from polylib to ppl conversion.
7254         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7256 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7258         * toplev.c (process_options): Move the graphite loop optimization
7259         flags...
7260         * tree-ssa-loop.c (graphite_transforms): ... here.
7261         When not configured with CLooG, print to dump_file that
7262         Graphite transforms were not performed.
7263         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7264         New.
7265         * gcc.dg/graphite/*.c: Updated all testcases to use
7266         scan-graphite-dump-times.
7268 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7270         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7271         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7273 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7274             Jan Sjodin  <jan.sjodin@amd.com>
7276         * configure: Regenerated.
7277         * omp-low.c (expand_omp_sections): Remove now unused code.
7278         * config.in (HAVE_polylib): Removed.
7279         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7280         (PPLLIBS, PPLINC): Added.
7281         * graphite.c: Replace unsigned with int wherever possible.
7282         Don't access Cloog's data structures, but use accessor functions.
7283         Clast's stmt->type is now implemented as a vtable: change the
7284         switches of stmt->type into ifs.
7285         (polylib/polylibgmp.h): Don't include.
7286         (initialize_dependence_polyhedron,
7287         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7288         statement_precedes_p, test_dependence, build_rdg_all_levels,
7289         dump_dependence_graph): Removed until this code is cleaned up
7290         or ported to Cloog.
7291         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7292         (POLYLIBINC): Renamed PPLINC.
7294 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7295             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7296             Jan Sjodin  <jan.sjodin@amd.com>
7298         Finish the merge and tuplification of graphite.
7300 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7301             Jan Sjodin  <jan.sjodin@amd.com>
7303         Partial merge from mainline (138072:138275).
7304         * graphite.c still has to be tuplified.
7306 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7308         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7309         (create_num_from_index): New.
7310         (get_num_from_index): Also pass in the graphite BB.
7311         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7312         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7313         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7314         (is_interchange_valid): Return false when failing.
7315         * graphite.h (struct num_map): New.
7316         (struct graphite_bb): New field num_map.
7317         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7319 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7321         * graphite.c (dump_gbb_conditions): Print also conditions like
7322         "if (a)".  Remove dublicated code and use print_generic_expr ().
7323         (stmt_simple_for_scop_p): Only allow conditions we can handle
7324         {<, <=, >, >=}.
7326 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7328         * graphite.h (struct scop): Removed new_ivs field.
7329         (SCOP_NEWIVS): Deleted.
7330         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7331         clast_to_gcc_expression, graphite_create_new_loop):
7332         Removed use of new_ivs.
7334 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7336         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7337         create_loops_mapping_num, debug_loop_mapping_1): New.
7338         (debug_loop_mapping): Call debug_loop_mapping_1.
7339         (get_loop_mapping_for_num,
7340         graphite_loops_mapping_add_child,
7341         graphite_loops_mapping_add_child_num,
7342         graphite_loops_mapping_insert_child,
7343         graphite_loops_mapping_parent,
7344         split_loop_mapped_depth_for_num,
7345         loop_mapped_depth_split_loop): New.
7346         (increment_loop_mapped_depths): Removed.
7347         (swap_loop_mapped_depth_for_num): Reimplemented.
7348         (new_scop): Call create_loops_mapping.
7349         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7350         (translate_clast): Pass the old loop father in parameter, and pass
7351         it to get_old_iv_from_ssa_name.
7352         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7353         can_generate_code, can_generate_for_scop): New.
7354         (graphite_trans_bb_block): Returns false when it fails to transform.
7355         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7357 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7359         Reverted all the changes related to the streamization and
7360         loop fusion.
7361         These changes are now tracked in the streamization branch.
7363 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7364             Jan Sjodin  <jan.sjodin@amd.com>
7366         * graphite.c (gbb_compare): Correctly constify.
7367         (gbb_can_be_ignored): Indent.
7368         (graphite_trans_scop_swap_1and2): Add legality check.
7369         Remove dead FIXMEs.
7371 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7373         Remove fallouts from "Reverted the Condate changes".
7374         * tree.h: Remove unused decl.
7375         * gcc.dg/tree-checker: Same.
7376         * timevar.def: Remove counter.
7378 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7380         * Merge from mainline (135673:138072).
7382         Reverted the MIRO changes (from 2008-04-05) that are now
7383         tracked in the miro branch.
7384         * tree-bounds.c: Removed.
7385         * tree-bounds.h: Removed.
7387         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7388         are now tracked in the condate branch.
7389         * tree-check.c: Removed.
7390         * tree-match.c: Removed.
7391         * condate.y: Removed.
7393 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7395         * common.opt: New user flag -floop-block, -floop-strip-mine
7396         and -floop-interchange.
7397         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7398         graphite loop optimization flags is turned on.
7399         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7400         flag_loop_strip_mine and flag_loop_interchange checks before
7401         optimizations.
7402         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7403         -floop-strip-mine and -floop-interchange.
7404         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7405         -fgraphite.
7406         * gcc.dg/graphite/scop-16.c: Ditto.
7407         * gcc.dg/graphite/scop-17.c: Ditto.
7408         * gcc.dg/graphite/scop-18.c: Ditto.
7410 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7411             Sebastian Pop  <sebastian.pop@amd.com>
7413         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7414         (create_empty_loop_on_edge): More fixes.
7415         * tree-phinodes.c (resize_phi_node): Extern.
7416         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7417         * cfghooks.c (update_dominator_information): New split from
7418         split_edge.
7419         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7420         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7421         successor of the function entry block.
7423         * graphite.c: Include pointer-set.h.
7424         (debug_loop_mapping, increment_loop_mapped_depths,
7425         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7426         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7427         swap_loop_mapped_depth_for_num, get_num_from_index,
7428         swap_loop_mapped_depth, loop_iv_stack_debug,
7429         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7430         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7431         get_old_iv_from_ssa_name): New.
7432         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7433         (free_scop): Free SCOP_LOOPS_MAPPING.
7434         (scop_record_loop): Record old ivs.
7435         (create_var_name): Removed.
7436         (initialize_cloog_names): Allocate double space in case strip mine
7437         applies to all loops once.
7438         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7439         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7440         translation.
7441         (graphite_create_new_loop): Pass in ivstack.
7442         (remove_all_edges): Pass in the construction_edge.
7443         (graphite_remove_iv): Removed.
7444         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7445         remove_cond_exprs): Rewritten.
7446         (move_phi_nodes): New.
7447         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7448         (translate_clast): Pass in ivstack.  Rewrite some cases.
7449         (set_cloog_options, debug_clast_stmt): New.
7450         (find_transform): Use set_cloog_options.
7451         (outermost_loop_layer): Removed.
7452         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7453         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7454         mark_old_loops, remove_dead_loops): New.
7455         (gloog): Rewritten.
7456         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7457         (const_column_index, get_first_matching_sign_row_index,
7458         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7459         get_upper_bound): New.
7460         (graphite_trans_bb_strip_mine): Also update the iv map.
7462         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7463         (struct name_tree): Add a loop field.
7464         (struct scop): Add a graphite_loops_mapping field.
7465         (SCOP_LOOPS_MAPPING): New.
7466         (debug_clast_stmt): Declare.
7467         * lambda.h (find_induction_var_from_exit_cond): Declare.
7468         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7469         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7470         (create_empty_loop_on_edge): Updated.
7471         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7472         rename_variables_in_bb): Declare.
7473         * tree-cfg.c (remove_bb): Extern.
7475         * gcc.dg/graphite/block-0.c: New.
7477 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7478             Sebastian Pop  <sebastian.pop@amd.com>
7480         * graphite.c (strip_mine_profitable_p): New.
7481         (graphite_trans_bb_block): Disable strip mining if not profitable.
7483         * gcc.dg/graphite/scop-18.c: New.
7484         * gcc.dg/graphite/scop-17.c: Fixed.
7485         * gcc.dg/graphite/scop-16.c: Fixed.
7487 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7488             Jan Sjodin  <jan.sjodin@amd.com>
7489             Sebastian Pop  <sebastian.pop@amd.com>
7491         * graphite.c (is_interchange_valid): New.
7492         (graphite_trans_bb_block): Check loop nest of basic block for legality
7493         of interchange.
7495         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7496         outer_most_loop, gbb_outer_most_loop_index): New.
7498         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7499         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7500         * gcc.dg/graphite/scop-16.c: New.
7501         * gcc.dg/graphite/scop-17.c: New.
7503 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7505         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7506         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7508 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7510         * graphite.c (new_scop): Initialize SCOP_EXIT.
7511         (scopdet_info): Add.
7512         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7513         (build_scops_1): Cleanup, bugfixes.
7514         (build_scops): Cleanup.
7516         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7517         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7519 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7521         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7523         * gfortran.dg/graphite/graphite.exp: Use
7524         DEFAULT_GRAPHITE_FLAGS.
7526         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7528 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7530         * graphite.c (scan_tree_for_params): Do not assert any more if
7531         MULT_EXPR parameter is negative.
7533         * gfortran.dg/graphite/scop-1.f: New.
7535         * gfortran.dg/graphite/graphite.exp: New.
7537         * gcc.dg/graphite/scop-15.c: New.
7539 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7541         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7543 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7545         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7546         graphite_swap_loops.
7547         (graphite_trans_bb_move_loop): New.
7548         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7549         (graphite_trans_bb_block): New.
7550         (graphite_trans_loop_block): New.
7551         (graphite_trans_scop_swap_1and2): Rename from
7552         graphite_trans_swap_1and2.
7553         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7554         (graphite_trans_scop_block): New.
7555         (graphite_apply_transformations): Rename from
7556         graphite_transformations.
7558         * gcc.dg/graphite/scop-matmult.c: New.
7560 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7562         * graphite.c (gbb_compare): New.
7563         (graphite_sort_gbbs): New.
7564         (gbb_can_be_ignored): New.
7565         (scop_remove_ignoreable_gbbs): New.
7566         (graphite_transformations): Cleanup and add
7567         scop_remove_ignoreable_gbbs.
7568         * lambda.h (lambda_vector_compare): New.
7570 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7572         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7573         (graphite_swap_loops): int -> unsigned
7574         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7575         (graphite_transformations): New.
7576         (graphite_transform_loops): Move to graphite_transformations.
7577         * graphite.h (gbb_nb_loops): Return unsigned.
7579 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7581         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7582         the domain matrix.  This makes scop-0.c work again.
7584 2008-06-20  Richard Guenther  <rguenther@suse.de>
7586         * graphite.h: Adjust copyright to GPLv3.
7587         * graphite.c: Likewise.
7588         (stmt_simple_memref_for_scop_p): Split out from ...
7589         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7590         and simplify.
7591         (get_bb_type): Optimize.
7592         (is_pred): Remove.
7593         (is_bb_addable): Fix memleak, replace is_pred call with
7594         single_pred.
7595         (build_scops): Use current_loops.
7596         (param_index): Fix memleak.
7598 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7600         * graphite.c: Fix formatting.
7602 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7604         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7605         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7606         (create_var_name, save_var_name): Newly defined functions.
7607         (initialize_cloog_names): Part of the code factored out to
7608         save_var_name.
7609         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7610         in clast_reduction statement.
7611         (graphite_create_new_loop): Now takes a new parameter
7612         for outer_loop.
7613         (translate_clast): Now also takes the context_loop and bb_exit
7614         parameters. Rewritten the code so that it creates a gimple code
7615         inside the given context.
7616         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7617         remove_cond_expr, disconnect_cond_expr,
7618         disconnect_virtual_phi_nodes): Newly defined functions.
7619         * graphite.h (struct scop): added old_ivs vector.
7620         SCOP_OLDIVS: New macro.
7622 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7624         * cfgloopmanip.c: Add missing function comments, fix formatting.
7626 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7628         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7629         (create_empty_loop_on_edge): Defined.
7630         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7631         instead of void.
7632         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7633         (update_dominators_in_loop): Declared as extern
7634         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7636 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7638         * graphite.c (print_graphite_bb): Allow changing number of loops
7639         in SCoP domain.
7640         (initialize_cloog_names): Allow changing number of loops.
7641         (build_cloog_prog): Simplify.
7642         (find_transform): Enable cloog option --strides.
7643         (graphite_swap_loops): New.
7644         (graphite_strip_mine_loop): New.
7645         (graphite_trans_swap_1and2): New.
7646         (graphite_trans_strip): New.
7647         (graphite_transform_loops): Add graphite_trans_strip.
7648         * graphite.h (scop_max_loop_depth): New.
7650 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7652         * graphite.c (build_scop_iteration_domain): Remove forgotten
7653         line. (Fixes compile)
7655 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7657         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7658         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7659         (build_bb_loops): New.
7660         (graphite_transform_loops): Add build_bb_loops.
7661         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7662         numbers.
7663         * graphite.h (graphite_bb): Add loops.
7664         (gbb_nb_loops): New.
7665         (gbb_loop_at_index): New.
7666         (gbb_loop_index): New.
7667         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7668         using nb_params_in_scop.
7670 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7672         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7673         (build_scop_canonical_schedules): Build minimized schedule.
7674         (schedule_to_scattering): Adapt to minimized schedule.
7675         * graphite.h (graphite_bb): Add/Update descriptions.
7677 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7678             Tobias Grosser  <grosser@fim.uni-passau.de>
7680         * graphite.c (print_graphite_bb): Add condition printing.
7681         (dump_value): New.
7682         (dump_gbb_conditions): New.
7683         (build_scop_conditions_1): New.
7684         (build_scop_conditions): New.
7685         * graphite.h (graphite_bb): Add conditions.
7687 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7689         * graphite.c (print_graphite_bb):
7690         (free_graphite_bb): New.
7691         (free_scop): Free bbs.
7692         (get_bb_type): Free doms.
7693         (build_scop_context): Free context matrix.
7694         (build_loop_iteration_domains): Remove unused code.
7695         (build_cloog_prog): Free scattering function and blocklist.
7696         (find_transform): Free options.
7698 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7700         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7701         Remove unnecessery cloog data structures. Make a copy of the domain
7702         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7703         unnecessary cloog data structures. Fix memory leaks. Remove insert
7704         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7705         used.
7706         (build_scop_iteration_domain): Remove unnecessary cloog
7707         data structures.  Fix memory leaks.
7708         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7709         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7711 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7713         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7715 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7717         * graphite.c (end_scop): Style fix.
7718         (schedule_to_scattering): Style and comment fix.
7720 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7721         * graphite.c (print_graphite_bb): Fix definiton of
7722         schedule_to_scattering.
7723         (initialize_cloog_names): Change nb_scattdims to max loop
7724         depth in SCoP.
7725         (schedule_to_scattering): Take parameter for number of scattering
7726         dimensions.
7727         (build_cloog_prog): Only build as much scattering dimensions as
7728         necessary.
7730 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7732         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7733         in polyhedron/aermod.f90.
7735 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7736             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7737             Harsha Jagasia  <harsha.jagasia@amd.com>
7739         * graphite.c (is_bb_addable): Fix segfault.
7741 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7743         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7744         with multiple exits and conditional handling in edge cases.
7745         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7747         * gcc.dg/graphite/scop-14.c: New.
7749 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7750             Adrien Eliche  <aeliche@isty.uvsq.fr>
7752         * graphite.c (is_bb_addable): Add more comments and enhance
7753         readablity of the source code. Fix memory leak.
7754         (is_loop_exit): Fix memory leak.
7756 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7758         * graphite.c (first_loop_in_scop): Deleted.
7759         (setup_cloog_loop): Only walk the loop chain for inner loops.
7760         (build_scop_iteration_domain): Execute setup_cloog_loop for
7761         all loops in the first layer.
7763 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7765         * graphite.c (scan_tree_for_params): Change the way params are
7766         added to be indepenent of the number of loops.
7767         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7768         handling.
7769         (build_cloog_prog): Revert to short matrix format.
7771 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7772             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7774         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7775         warning.
7777 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7779         * graphite.c (nb_data_refs_in_scop): New.
7780         (graphite_transform_loops): Print more stats: number of
7781         loops, basic blocks and data references per scop.
7783 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7784             Jan Sjodin  <jan.sjodin@amd.com>
7786         * graphite.c (loop_affine_expr, idx_record_params,
7787         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7788         instead of instantiate_parameters.
7790 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7792         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7793         add support for parameters, add STATIC_SCHEDULE at the right places,
7794         cleanup.
7796 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7798         * graphite.c (build_scop_loop_nests): Only add the loops, that
7799         are contained completely in the SCoP.
7800         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7801         and the domains are fixed.
7802         (build_scop_canonical_schedules): Add support for bbs not contained
7803         in any SCoP.
7805 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7807         * graphite.h (scop_contains_loop): Update comments to match
7808         the actual behavior.
7809         (scop_contains_loop): New.
7810         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7812 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7814         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7815         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7816         as GBB_COND_HEADER.
7818 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7819             Tobias Grosser  <grosser@fim.uni-passau.de>
7821         * graphite.c (graphite_transform_loops): Early return when
7822         there are no loops in the function.
7824 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7825             Jan Sjodin  <jan.sjodin@amd.com>
7827         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7828         offset of the last loop.
7829         (setup_cloog_loop): Copy the entire outer constraint matrix.
7831 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7832             Jan Sjodin  <jan.sjodin@amd.com>
7834         * graphite.c (stmt_in_scop_p, function_parameter_p,
7835         invariant_in_scop_p): Removed.
7836         (scan_tree_for_params): Can be used with no constraint
7837         matrix for gathering parameters.
7838         (idx_record_params): Don't use idx_record_param, instead use
7839         scan_tree_for_params.
7840         (find_scop_parameters): Same.
7841         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7842         Fix the size of loop domains.
7843         (schedule_to_scattering): Exit when the outer loop is not in scop.
7844         (find_transform): Enable build_cloog_prog.
7846 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7847             Jan Sjodin  <jan.sjodin@amd.com>
7849         * graphite.c (schedule_to_scattering): Make scattering domains
7850         uniformly of the same size, as required by CLooG 0.14.0 and before.
7852 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7853             Jan Sjodin  <jan.sjodin@amd.com>
7855         * graphite.c (schedule_to_scattering): Rewrite, correct the
7856         translation of the scheduling function to scattering.
7857         (build_cloog_prog): Call schedule_to_scattering only once.
7858         * graphite.h (scop_loop_index): Do not fail for loops not
7859         in the scop: return -1.
7861 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7863         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7864         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7865         (setup_cloog_loop): Export GBB_DOMAIN.
7866         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7867         able to rebuild the original control flow.
7868         * graphite.h (graphite_bb): Add domain field and access macro.
7869         (GBB_DOMAIN): New.
7871 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7873         * graphite.c (debug_gbb): New.
7874         (print_scop, build_graphite_bb): Use SCOP_BBS.
7875         (build_scop_bbs): Reimplemented.
7876         (dfs_bb_in_scop_p): Removed.
7877         (build_scop_loop_nests): Reorder loops inserted in
7878         SCOP_LOOP_NEST: outer loops should come first.
7879         (build_scop_canonical_schedules): Reinitialize at zero
7880         the components of the SCOP_STATIC_SCHEDULE for the loops
7881         that have already been parsed.
7883         * graphite.h (debug_gbb): Declared.
7885 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7886             Jan Sjodin  <jan.sjodin@amd.com>
7888         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7889         (graphite_loop_to_gcc_loop): Removed.
7890         (remove_all_edges): New.
7891         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7892         (gloog): Remove useless code.
7894 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7896         * graphite.c (get_bb_type): Reworked. We distinguish between
7897         loops with one or multiple exits.
7898         (is_loop_exit): New.
7899         (is_pred): New.
7900         (is_bb_addable): Rework condition handling, now support for case
7901         case statements and loops with multiple exits.
7903         * gcc.dg/graphite/scop-11.c: New.
7904         * gcc.dg/graphite/scop-12.c: New.
7905         * gcc.dg/graphite/scop-13.c: New.
7907 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7909         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7910         we have too many colors.
7912 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7914         * doc/invoke.texi (-ftree-loop-fusion): Document.
7915         * tree-pass.h (pass_loop_fusion): Declared.
7916         * tree-loop-fusion.c: New.
7917         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7918         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7919         * tree-data-ref.h (find_data_references_in_loop): Declared.
7920         * common.opt (ftree-loop-fusion): Declared.
7921         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7923 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7925         * graphite.c (build_access_matrix): Fix typo from the merge.
7927 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7929         * Merge from mainline (130800:135673).
7931 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7933         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7934         Update dominators after splitting.
7936 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7938         * graphite.c (is_bb_addable): Return the harmful statement.
7939         Factor up some code.
7940         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7941         (build_scops_1): Call end_scop.
7943 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7945         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7946         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7947         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7948         build_scops_1): Removed.
7949         (build_scops_2): Renamed build_scops_1.
7951 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7953         * graphite.c: Fix formatting.
7955 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7957         * graphite.c (get_bb_type): New.
7958         (move_scops): New.
7959         (build_scops_2): New.
7960         (is_bb_addable): New.
7961         (build_scops): Switch the scop detection.
7962         (build_scop_bbs): Add entry bb to scop.
7963         * graphite.h (struct scop): Update comment.
7965 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7967         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7968         more colors.
7970 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7972         * gcc.dg/graphite/scop-1.c: Update.
7973         * gcc.dg/graphite/scop-2.c: Update.
7974         * gcc.dg/graphite/scop-4.c: Update.
7975         * gcc.dg/graphite/scop-5.c: Add.
7976         * gcc.dg/graphite/scop-6.c: Add.
7978 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7980         * gcc.dg/graphite/scop-0.c: Add.
7981         * gcc.dg/graphite/scop-7.c: Add.
7982         * gcc.dg/graphite/scop-8.c: Add.
7983         * gcc.dg/graphite/scop-9.c: Add.
7984         * gcc.dg/graphite/scop-10.c: Add.
7986 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7988         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7989         Check affine expressions depending on the outermost loop
7990         instead of a scop.
7991         (stmt_simple_for_scop_p): Same.
7992         (harmfule_stmt_in_scop): Same.
7994 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7996         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7997         mark entry and exit, that are not part of the SCoP and update HTML
7998         formatting.
8000 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
8002         * graphite.c (basic_block_simple_for_scop_p): Renamed
8003         harmful_stmt_in_bb.
8004         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
8005         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
8006         (all_preds_visited_p, all_succs_visited_p,
8007         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
8008         scop_end_loop): New.
8009         (build_scops): Do not use dfs_enumerate_from.
8011         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
8013 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8015         * graphite.c: Add comments to functions that are missing a
8016         description.
8017         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
8019 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8021         * graphite.c (nb_params_in_scop): Moved...
8022         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
8023         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
8024         (clast_to_gcc_expression): Reduce column size to less than 80.
8025         (graphite_create_iv): Return the new name of the IV.
8026         (find_transform): Set options->esp and options->cpp.
8027         (gloog): Comment out the invalidation of the old loop code.
8028         (initialize_dependence_polyhedron): Replace scop_nb_params with
8029         nb_params_in_scop.
8031         * graphite.h (nb_params_in_scop): ... here.
8032         (scop_nb_params): Removed.
8033         (loop_domain_dim): Return something even when the loop was not
8034         found in the hash table: avoid ICEing on all the graphite.exp
8035         testcases.
8037 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8039         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
8041         * graphite.c (build_scop_dynamic_schedules): Schedule is built
8042         according to nesting level.
8043         (find_scop_parameters): Call instantiate_parameters.
8044         (scan_tree_for_params): Extend it to handle general affine bounds.
8045         Inner loop bound can depend on outer loop induction variable.
8046         (setup_cloog_loop): tmp variable is allocated on stack. Call
8047         instantiate_parameters with respect to outermost_loop_in_scop.
8048         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
8049         graphite.h.
8050         (create_empty_loop): Function loopify should be given edge
8051         probability, instead of edge frequency. Dominance relation from
8052         switch_bb to loop_header.
8053         (clast_to_gcc_expression): Added handling of clast_reduction node.
8054         (gloog): New functionality for removing old loop.
8055         (test_dependence): Factored out from build_rdg_all_levels.
8056         (build_rdg_all_levels): Dependence testing factored out to
8057         test_dependence function.
8059         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8060         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8061         from graphite.c
8063 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8065         * graphite.c (free_scop, param_index, initialize_cloog_names,
8066         nb_params_in_scop): Use name_tree map instead of just a tree
8067         for keeping track of the variable name associated to that tree.
8068         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8069         clast_to_gcc_expression, graphite_create_iv,
8070         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8071         graphite_stmt_to_gcc_stmt): New.
8072         (gloog): Call these.
8073         * graphite.h (struct name_tree): New.
8074         (struct scop): Use name_tree instead of tree for params.
8075         Store a vector of name_tree for new_ivs.
8076         (SCOP_NEWIVS): New.
8077         (scop_nb_params): Use name_tree instead of tree.
8079 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8080             Sebastian Pop  <sebastian.pop@amd.com>
8082         * tree-bounds.c: New.
8083         * tree-bounds.h: New.
8084         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8085         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
8086         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
8087         flag_mudflap.
8088         * gcc.c: Same.
8089         * toplev.c: Same.
8090         * c-cppbuiltin.c: Same.
8091         * c-pragma.c: Same.
8092         * common.opt: Same.
8093         * varasm.c: Same.
8094         * tree-outof-ssa.c: Same.
8095         * c-common.c: Same.
8096         * Makefile.in: Same.
8098 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8099             Sebastian Pop  <sebastian.pop@amd.com>
8101         * tree-loop-distribution.c (remaining_stmts,
8102         upstream_mem_writes): Removed static variables.
8103         (copy_loop_before, create_bb_after_loop,
8104         mark_nodes_having_upstream_mem_writes, free_rdg_components,
8105         rdg_build_components, rdg_build_partitions,
8106         dump_rdg_partitions): Extern.
8107         (generate_loops_for_partition, generate_code_for_partition): Do not
8108         return a bool.
8109         (already_processed_vertex_p, predecessor_has_mem_write,
8110         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8111         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8112         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8113         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8114         Pass remaining_stmts and upstream_mem_writes as parameters.
8115         (rdg_component): Moved...
8116         (build_rdg_partition_for_component): Do not aggregate components when
8117         flag_streamize_loops is set.
8118         (gen_sequential_loops): New.
8119         (ldist_gen): Call gen_sequential_loops.
8121         * tree-pass.h (pass_loop_streamization): Declared.
8123         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8124         basic blocks when loops structures exist.
8126         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8128         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8130         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
8131         eliminate_local_variables_stmt, eliminate_local_variables,
8132         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8133         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8134         of code delimited by two edges in the CFG.
8135         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8136         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8137         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8138         the case of parallelisation of reductions.
8139         (create_loop_fn): Extern.
8140         (create_omp_parallel_region): New.
8142         * tree-data-ref.c (dump_data_dependence_relation): Don't call
8143         dump_data_reference for printing dra and drb.
8144         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8145         RDGE_RELATION.
8146         (build_rdg): Don't call free_dependence_relations for the moment, as
8147         we attach dependence relations on each edge of the RDG.
8148         To be fixed later.
8150         * tree-data-ref.h (rdg_component): ...here.
8151         (struct rdg_edge): New field ddr_p relation.
8152         (RDGE_RELATION): New.
8153         (create_bb_after_loop, copy_loop_before,
8154         mark_nodes_having_upstream_mem_writes, rdg_build_components,
8155         rdg_build_partitions, dump_rdg_partitions,
8156         free_rdg_components): Declared.
8158         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8159         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8161         * tree-loop-streamization.c: New.
8163         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8164         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8166         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8168         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
8170         * passes.c: Schedule pass_loop_streamization.
8172 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8174         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8175         update comment.
8177 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8179         * graphite.c (dot_all_scops): Update formatting.
8180         Bbs can now be part of more than one SCoP.
8182 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8184         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8185         malloc problems.
8186         (loop_domain_dim): Check for unregistered toplev SCOP loop.
8187         * graphite.h (loop_to_cloog_loop): New.
8189 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8191         * graphite.c (loop_domain_dim, ref_nb_loops,
8192         loop_iteration_vector_dim): New.
8193         (build_access_matrix_with_af, build_access_matrix,
8194         initialize_dependence_polyhedron): Fixed for new matrix layout.
8195         No longer assume that all iteration domains are of the same
8196         dimensionality.
8198 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8200         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8201         defined in a loop at depth 0 is invariant.
8202         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8203         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8204         be called at loop depth 0.
8206         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
8207         a parameter.
8208         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8209         (down_open_scop): Removed.
8210         (loop_in_scop_p): Redefined.
8211         (scop_affine_expr): New argument: scop.
8212         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8213         a harmful statement ending a scop.
8214         (basic_block_simple_for_scop_p): New argument: scop.
8215         (get_loop_start): Removed.
8216         (new_scop): Initialize SCOP_LOOPS.
8217         (free_scop): Free SCOP_LOOPS.
8218         (succs_at_same_depth, preds_at_same_depth): New.
8219         (end_scop): Test the validity of a scop.
8220         (add_dominators_to_open_scops): New.
8221         (test_for_scop_bound): Call add_dominators_to_open_scops.
8222         Add cases for opening and closing multiple scops.
8223         (build_scops, build_scop_bbs): Iterate over basic blocks in
8224         depth first order.
8225         (build_graphite_bb): Pass scop directly.
8226         (dfs_bb_in_scop_p): New.
8227         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8228         several times.
8229         (nb_loops_around_gb): Use loop_in_scop_p.
8230         (schedule_to_scattering): Disabled for the moment the code computing
8231         the "textual order for outer loop".
8233         * graphite.h (struct scop): New field loops.
8234         (SCOP_LOOPS): New.
8235         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8237         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8239 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8240             Sebastian Pop  <sebastian.pop@amd.com>
8242         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8243         * common.opt (fstreamize-loops): New.
8244         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8245         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8246         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8247         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8249 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8251         * tree-data-ref.c (build_empty_rdg): New.
8252         (build_rdg): Use it.
8253         * tree-data-ref.h (build_empty_rdg): Declared.
8254         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8255         (find_vertex_for_stmt): Removed.
8256         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8258 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8260         * tree-loop-distribution.c (generate_builtin): After cancelling the
8261         loop tree, also delete basic blocks.
8262         (rdg_flag_uses): Stop recursion when a vertex has already been
8263         processed.
8265 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8267         * graphite.c (build_scop_alpha): Removed.
8268         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8269         and dump_dependence_graph to avoid compiler warnings.
8271 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8273         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8274         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8275         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8276         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8277         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8278         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8279         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8280         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8281         dump_dependence_graph): New.
8282         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8283         (GBB_ALPHA): New.
8284         (struct scop): New field loop2cloog_loop.
8285         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8286         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8288 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8290         * graphite.c (build_graphite_bb): Fix initialization
8291         of the graphite basic block.
8293 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8295         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8296         loop domain matrix.  Pass in the number of loops contained in the
8297         constraint matrix.
8298         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8299         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8300         loops that are not surrounding the current loop are not represented
8301         in the domain constraint matrix.
8302         (build_scop_iteration_domain): Initial domain constraint matrix
8303         contains only the eq/ineq, cst, and scop parameters columns.
8305 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8307         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8308         (print_graphite_bb): Print scattering.
8310 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8312         * graphite.c (initialize_cloog_names): Initialize names of
8313         scattering variables.
8315 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8317         * graphite.c (dot_all_scops_1): Disable debug output while
8318         printing graph.
8320 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8322         * graphite.c (find_transform): Change cloog output language to C.
8324 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8326         * tree-loop-distribution.c (generate_memset_zero,
8327         generate_builtin, generate_code_for_partition,
8328         rdg_flag_all_uses): New.
8329         (rdg_flag_uses): Gather in the same partition the statements defining
8330         the VUSES of the current statement.
8331         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8332         Gather in the same partition not only the stores to the same memory
8333         access, but also the reads.
8334         (ldist_generate_loops): Renamed ldist_gen.
8336 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8337             Tobias Grosser  <grosser@fmi.uni-passau.de>
8339         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8340         next pointer, don't use the inner pointer.
8342 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8344         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8345         (find_transform): Call dot_all_1.
8346         * graphite.h (dot_all_scops): Declared.
8348 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8350         * tree-loop-distribution.c: Fix apsi.f ICE.
8351         (create_bb_after_loop): New.
8352         (generate_loops_for_partition): Use it.
8353         * gfortran.dg/ldist-1.f90: New.
8355         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8356         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8358 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8360         * graphite.c (find_transform): Dump cloog program sent to cloog.
8362 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8364         * graphite.c (initialize_cloog_names): Initialize cloog
8365         iterator names.
8367 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8369         * graphite.c (build_scop_context): Fix typo, for the matrix
8370         format: insert '0 >= 0' instead of '-1 >= 0'.
8372 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8374         * Fix merge problems.
8376 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8378         * graphite.c (setup_cloog_loop): Fix typo.
8380 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8382         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8383         * tree-loop-distribution.c: Reimplemented.
8384         * tree-pass.h (pass_loop_distribution): New.
8385         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8386         print_loops.
8387         * graphds.h (struct graph): New field indexes.
8388         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8390         * tree-vect-analyze.c: Remove declaration of static functions when not
8391         needed.
8392         * tree-vectorizer.c: Same.
8393         (rename_variables_in_loop): Now extern.
8394         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8395         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8396         calling redirect_edge_and_branch_force.
8398         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8400         * tree-data-ref.c: Don't include tree-chrec.h.
8401         (debug_data_dependence_relations): New.
8402         (dump_data_dependence_relation): Call dump_data_reference on data refs
8403         in the relation.
8404         (same_access_functions): Moved...
8405         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8406         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8407         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8408         struct rdg_vertex_info, ): New.
8409         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8410         at DDR_REVERSED_P.
8411         (create_rdg_vertices): Initialize the htab of graph->indexes.
8412         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8413         (stmts_from_loop): Don't save LABEL_EXPR.
8414         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8415         hash_stmt_vertex_del): New.
8416         (build_rdg): Initialize rdg->indexes.
8417         (free_rdg, stores_from_loop, ref_base_address,
8418         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8419         have_similar_memory_accesses_1, ref_base_address_1,
8420         remove_similar_memory_refs): New.
8422         * tree-data-ref.h: Include tree-chrec.h.
8423         (debug_data_dependence_relations): Declared.
8424         (same_access_functions): ...here.  Now static inline.
8425         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8426         ddr_dependence_level): New.
8427         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8428         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8429         RDG_MEM_READS_STMT): New.
8430         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8431         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8432         rdg_vertex_for_stmt): Declared.
8433         (struct rdg_edge): New field level.
8434         (RDGE_LEVEL, free_rdg): New.
8435         (stores_from_loop, remove_similar_memory_refs,
8436         rdg_defs_used_in_other_loops_p,
8437         have_similar_memory_accesses): Declared.
8438         (rdg_has_similar_memory_accesses): New.
8440         * lambda.h (dependence_level): New.
8441         * common.opt (ftree-loop-distribution): New.
8442         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8443         (print_loop_ir): Renamed print_loops.
8444         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8445         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8446         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8447         (tree-loop-distribution.o): Added.
8448         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8449         (mark_virtual_ops_in_bb): New.
8450         (print_loops_bb, debug_loop_num, debug_loop): New.
8451         * passes.c: Scheduled pass_loop_distribution.
8453 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8455         * graphite.c (scan_tree_for_params): Correct the number of columns
8456         for polylib format.
8457         (nb_flat_iterator): New.
8458         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8459         (build_scop_iteration_domain): Correct the number of columns for
8460         polylib format.
8462 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8464         * Merge from mainline (129697:130800).
8466 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8468         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8469         dominated by SCoP's exit.
8470         (graphite_transform_loops): Compute post dominators.
8472 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8474         * Merge from mainline (127169:129697).
8476 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8478         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8479         parameter for the basic block that contains the expression.  Use
8480         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8481         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8482         the expression.
8483         * graphite.h (gbb_loop): New.
8484         (GBB_LOOP): Removed.
8486 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8488         * Makefile.in: Fix merge problem.
8490 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8492         * Merge from mainline (125309:127169).
8493         * tree-loop-distribution.c: Disabled.
8495 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8497         * Merge from mainline (r123693:125309).
8499 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8501         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8502         correct_modify_p
8503         (correct_modify_p, check_statements, number_of_lvalue_uses,
8504         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8505         instead of MODIFY_EXPR.
8506         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8507         and push new edges.
8509 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8511         * tree-loop-distribution.c (struct rdg): Replace arrays by
8512         VECs for edges and vertices.
8513         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8514         (RDGV_NB_PARTITIONS): New.
8515         (PRDG_NBV, PRDG_NBE): Removed.
8516         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8517         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8518         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8520 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8521             Sebastian Pop  <sebpop@gmail.com>
8523         * doc/invoke.texi (-ftree-loop-distribution): Document.
8524         * tree-loop-distribution.c: New file.
8525         * tree-pass.h (pass_loop_distribution): Declared.
8526         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8527         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8528         and set reversed_p.
8529         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8530         (DDR_REVERSED_P): New.
8531         * common.opt (-ftree-loop-distribution): New.
8532         * tree-flow.h (distribute_loops): Declared.
8533         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8534         * passes.c (init_optimization_passes): Schedule loop distribution.
8536 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8538         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8539         (print_scop): Don't print when scop is NULL.
8540         (build_scop_context, find_transform): Don't output to stderr.
8542 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8544         * tree-data-ref.c: Don't include graphite.h.
8545         Comment out the code for printing data reference's scop.
8546         (build_access_matrix_with_af): Moved...
8547         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8548         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8549         (print_graphite_bb): Print basic block's schedule.
8550         (print_scop): Don't print the schedule, call cloog's pretty printer.
8551         (bb_in_scop_p): A basic block is in a scop only if it is both
8552         dominated and postdominated by the scop's entry and exit basic blocks.
8553         (function_parameter_p): New.
8554         (invariant_in_scop_p): Use function_parameter_p.
8555         (new_scop, save_scop): New.
8556         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8557         save_scop.
8558         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8559         (loop_in_scop_p): New.
8560         (scop_record_loop): Use loop_in_scop_p.
8561         (build_scop_domain): Renamed build_scop_iteration_domain.
8562         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8563         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8564         setup_cloog_loop, dot_scop_1, dot_scop): New.
8565         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8566         (struct scop): Add a pointer to cloog's representation of a program.
8568 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8570         * doc/invoke.texi (-ftree-check-verbose): Renamed
8571         -ftree-checks-verbose.
8572         * common.opt (flag_tree_check_verbose): Renamed
8573         flag_tree_checks_verbose.
8574         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8576 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8578         * configure: Regenerated.
8579         * config.in: Regenerated.
8580         * tree-ssa-loop.c (graphite_transforms): Execute
8581         graphite_transform_loops only when HAVE_cloog.
8582         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8583         * graphite.c: Include polylibgmp.h and cloog.h.
8584         (graphite_transform_loops): Removed loops parameter.
8585         * tree-flow.h (graphite_transform_loops): Update declaration.
8586         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8587         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8588         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8589         (OBJS-common): Remove dependence on graphite.o.
8590         (BACKEND): Depend on @GRAPHITE@.
8592 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8594         * doc/invoke.texi (-ftree-check-verbose): Documented.
8595         * gcc.dg/tree-checker/tree-checks-1.c: New.
8596         * gcc.dg/tree-checker/tree-checks-2.c: New.
8597         * gcc.dg/tree-checker/tree-checks-3.c: New.
8598         * gcc.dg/tree-checker/tree-checks-4.c: New.
8599         * gcc.dg/tree-checker/tree-checks.exp: New.
8600         * gcc.dg/tree-checker/condates.crp: New.
8601         * common.opt (ftree-checks-verbose): New.
8602         * tree-check.c (tree_check_warning): Move extra stderr output
8603         under control of flag_tree_check_verbose.
8605 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8607         * tree-match.c: Fix comments formatting.
8608         * tree-match.h: Fix comments formatting.
8609         * tree-check.c: Fix comments formatting.
8610         (tree_check_init): Restructure.
8612 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8614         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8616 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8618         * Merge from mainline (r120733:123693).
8620 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8622         * condate.y: New file.
8623         * tree-match.h (struct patt_info_s): New field sign.
8624         (struct condate_s): New field msg.
8625         (normalize_condate, name_condate, add_condate): New.
8626         (conds[], condate_parse): Made extern.
8627         * tree-check.c (tree_check_warning): First arg changed to cond;
8628         warning reformatted.
8629         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8630         (tree_scan): New.
8631         (tree_check): Process trivial condates.
8632         (read_delimited_string): Removed.
8633         (print_cond): Print name and msg.
8634         (conds[]): Made extern.
8635         (parse_tree_check_file_once): Rewritten to use the parser in
8636         condate.y.
8637         Processing of option --tree_check_string moved to tree_scan().
8638         * Makefile.in: Added condate.y
8640 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8642         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8643         Use VECs instead of varrays.
8644         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8645         * Makefile.in (pretty-print.o): Depend on vec.h.
8646         * pretty-print.c: Include tree.h and vec.h.
8647         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8648         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8649         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8650         pp_free_list): Use VECs instead of varrays.
8651         * pretty-print.h: Do not include varray.h.
8652         (struct tree_chunk_s): Declaration moved before its use.
8653         (output_buffer): Rename varray field to chunks.
8654         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8655         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8656         save_global_holes): Use VECs instead of varrays.
8657         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8658         * tree-check.c (scan_cfg_stmts, push_node,
8659         print_matching_stmt): Removed.
8660         (tree_check_instance, push_global_holes_if_new, tree_check,
8661         execute_tree_check): Use VECs instead of varrays.
8662         (gate_tree_check): Don't execute the CFG check when basic_block_info
8663         is not available.
8665 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8667         * Merge from mainline (r115016:120733).
8669 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8671         * Merge from mainline (r117632:117661).
8673 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8675         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8676         * tree-pass.h (TDF_DEBUG, debug_p): New.
8677         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8678         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8679         get_loop_exit_condition, analyze_evolution_in_loop,
8680         analyze_initial_condition, analyze_scalar_evolution,
8681         instantiate_parameters, number_of_latch_executions): Use debug_p.
8682         * tree-chrec.c (chrec_apply): Use debug_p.
8683         * tree-data-ref.c: Include graphite.h.
8684         (dump_data_reference): Print also the access matrix.
8685         (analyze_array, analyze_indirect_ref, init_data_ref,
8686         analyze_offset_expr, address_analysis, object_analysis,
8687         create_data_ref, finalize_ddr_dependent,
8688         non_affine_dependence_relation, analyze_ziv_subscript,
8689         analyze_siv_subscript_cst_affine,
8690         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8691         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8692         analyze_miv_subscript, analyze_overlapping_iterations,
8693         build_classic_dist_vector, subscript_dependence_tester,
8694         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8695         (build_access_matrix_with_af): No longer static.
8696         * tree-data-ref.h (scop_p): ... declaration here.
8697         (data_reference.scop): New field.
8698         (DR_SCOP, DR_ACCESS_MATRIX): New.
8699         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8700         * graphite.c (print_graphite_bb): Call dump_data_references.
8701         (print_scop): Use scop_nb_loops and scop_dim_domain.
8702         (test_for_scop_bound): Use debug_p.
8703         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8704         scop_nb_params.
8705         (scop_loop_index): Moved...
8706         (scop_record_loop): New.
8707         (build_scop_loop_nests): Use scop_record_loop.
8708         (build_scop_domain): Use scop_dim_domain.
8709         (build_access_matrix): Implemented.
8710         (build_scop_canonical_schedules): Use scop_nb_loops.
8711         (build_graphite_bb): Initialize GBB_SCOP.
8712         * graphite.h (scop_p): Moved...
8713         (graphite_bb.scop): New field.
8714         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8715         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8716         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8717         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8718         scop_loop_index): New.
8719         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8721 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8723         * Merge from mainline (r117661:120450).
8725 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8727         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8728         at the first declaration outside the varying loop, instantiate as
8729         far as possible.
8730         * tree-chrec.c (for_each_scev_op): New.
8731         * tree-chrec.h (for_each_scev_op): Declared.
8732         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8733         * tree-data-ref.c (get_references_in_stmt,
8734         find_data_references_in_stmt): New, from trunk.
8735         (find_data_references_in_loop): Use get_references_in_stmt
8736         and find_data_references_in_loop, modified as in trunk.
8737         (build_access_matrix_with_af): New.
8738         * tree-data-ref.h (data_reference): Add a field access_matrix.
8739         (data_ref_loc): New, as in trunk.
8740         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8741         invariant_in_scop_p, param_index, scan_tree_for_params,
8742         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8743         idx_record_param, idx_record_params, build_access_matrix,
8744         build_scop_data_accesses, build_scop_canonical_schedules,
8745         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8746         build_scop_params): New.
8747         * graphite.h (graphite_bb): New.
8748         (scop): Add fields static_schedule, params, loop_nest,
8749         iteration_domain.
8750         * lambda.h: Declare vecs of lambda_matrix.
8751         * tree-flow.h (print_loop_ir_bb): Declared.
8752         * tree-cfg.c (print_loop_ir_bb): New.
8753         (print_loop): Use print_loop_ir_bb.
8755 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8757         * Merge from mainline (r115016:117632).
8759 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8761         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8762         break due to a warning.
8764 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8766         * graphite.c (print_scops, debug_scops): New.
8767         (graphite_transform): Renamed graphite_find_transform.
8768         * graphite.h (debug_scops): Declared.
8770 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8772         * tree-match.c: Reformat following the GNU style.
8773         * tree-match.h: Reformat following the GNU style.
8774         * tree-pattern.h: Removed empty file.
8775         * Makefile.in: Remove references to tree-pattern.h.
8776         * tree-check.c: Reformat following the GNU style.
8777         (execute_tree_check): Move gate condition code to...
8778         (gate_tree_check): ...here.  New function.
8779         (pass_check): Use the gate function.
8781 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8783         * tree-pattern.h: New. Tree pattern matching and checking using
8784         concrete syntax.
8785         * tree-check.c: New. Tree/CFG checking pass.
8786         * tree-match.c: New. Library for tree pattern matching.
8787         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8788         * toplev.c, flags.h: Add globals for tree-check pass.
8789         * Makefile.in: Integrate the files in tree-check pass.
8790         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8791         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8792         Introduce a "lazy" pretty-print mode.
8793         * tree.c, tree.h: Add tree_name.
8795 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8797         * doc/invoke.texi (-fgraphite): Correct typo.
8798         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8799         use of print_loop_ir.
8800         * gcc.dg/graphite/scop-1.c: New.
8801         * gcc.dg/graphite/scop-2.c: New.
8802         * gcc.dg/graphite/graphite.exp: New.
8803         * graphite.c: Include domwalk.h.
8804         (print_scop): Print only the entry and exit blocks.
8805         (debug_scop): No longer static.
8806         (affine_expr): Fix formating.  Return also true when the expression is
8807         constant.
8808         (stmt_simple_for_scop_p): Fix formating.
8809         (build_scops): Use domwalk.
8810         (get_loop_start, end_scop, test_for_scop_bound): New.
8811         (graphite_transform_loops): Avoid printing on stderr.
8812         * graphite.h (debug_scop): Declared.
8813         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8814         * Makefile.in (graphite.o): Depend on domwalk.h.
8815         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8816         declarations for static functions.
8817         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8818         controlling output verbosity.
8820 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8821             Plesco Alexandru  <shurikx@gmail.com>
8823         * doc/invoke.texi (-fgraphite): Document.
8824         * tree-pass.h (pass_graphite_transforms): Declared.
8825         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8826         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8827         (pass_graphite_transforms): Defined.
8828         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8829         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8830         * graphite.c, graphite.h: New.
8831         * common.opt (fgraphite): Declared.
8832         * tree-flow.h (graphite_transform_loops): Declared.
8833         * Makefile.in (OBJS-common): Add graphite.o.
8834         (graphite.o): New rule.
8835         * passes.c (pass_graphite_transforms): Scheduled.