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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
4
5 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
6
7         * graphite-poly.c (print_permutation): New.
8         (debug_permutation): New.
9         (new_poly_bb): Initialize PBB_PERMUTATION.
10         (free_poly_bb): Free PBB_PERMUTATION.
11         * graphite-poly.h (pbb_permutation_elt_p): Declared.
12         (struct pbb_permutation_elt): New.
13         (PBB_PERMUTATION_ELT_STRIDE): New.
14         (PBB_PERMUTATION_ELT_STRIDED_P): New.
15         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
16         (new_pbb_permutation_elt): New.
17         (pbb_permutation_elt_free): New.
18         (struct poly_bb): Add field permutation.
19         (PBB_PERMUTATION): New.
20         (print_permutation): Declared.
21         (debug_permutation): Declared.
22
23 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
24
25         * graphite-clast-to-gimple.c (gloog): Do not call
26         sese_reset_aux_in_loops.
27         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
28         extra argument for domains.  Do not use loop->aux.
29         (build_scop_iteration_domain): Initialize and free domains, pass it
30         to build_loop_iteration_domains and extract the information from
31         domains.  Do not use loop->aux.
32         * sese.c (sese_reset_aux_in_loops): Removed.
33         * sese.h (sese_reset_aux_in_loops): Removed.
34
35 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
36
37         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
38         (dependency_in_loop_p): Same.
39         (translate_clast): Do not use loop->aux.  Initialize
40         loop->can_be_parallel.
41         (mark_loops_parallel): Removed.
42         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
43         * graphite.c (free_aux_in_new_loops): Removed.
44         (graphite_finalize): Do not call free_aux_in_new_loops.
45         (graphite_transform_loops): Do not call mark_loops_parallel.
46
47 2009-10-26  Li Feng  <nemokingdom@gmail.com>
48
49         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
50         (translate_clast): Pass an extra parameter LEVEL.
51         Call get_scattering_level.
52         * graphite-clast-to-gimple.h (get_scattering_level): New.
53
54 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
55
56         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
57         * cfgloop.h (struct loop): New field single_iv.
58
59         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
60         loop->aux anymore: use loop->single_iv.
61         (graphite_loop_normal_form): Moved...
62         (build_graphite_loop_normal_form): Removed.
63         (gloog): Do not call build_graphite_loop_normal_form.
64         (free_aux_in_new_loops): Moved...
65         (mark_loops_parallel): Restructure.
66         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
67         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
68         (scop_canonicalize_loops): New.
69         (build_poly_scop): Call scop_canonicalize_loops.
70         * graphite.c (free_aux_in_new_loops): ...here.
71
72 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
73
74         * g++.dg/graphite/graphite.exp: Add the same rules as in
75         gcc.dg/graphite/graphite.exp.
76
77 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
78
79         * g++.dg/graphite/id-1.C: New.
80
81 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
82
83         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
84         argument base_name.
85         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
86         (rewrite_phi_out_of_ssa): Same.
87         (rewrite_cross_bb_scalar_deps): Same.
88         (translate_scalar_reduction_to_array): Same.
89
90 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
91
92         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
93         dump_alias_graphs.
94
95 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
96
97         * graphite-sese-to-poly.c (dump_alias_graphs): New.
98         (build_scop_drs): Call dump_alias_graphs.
99
100 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
101
102         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
103         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
104         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
105         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
106         * graphite-poly.h (free_lst): New.
107         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
108         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
109
110 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
111
112         * graphite-poly.h (struct scop): Add a field saved_schedule.
113         (SCOP_SAVED_SCHEDULE): New.
114         (store_lst_schedule): New.
115         (restore_lst_schedule): New.
116         (store_scattering): Call store_lst_schedule.
117         (restore_scattering): Call restore_lst_schedule.
118
119 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
120
121         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
122         (pdr_add_alias_set): Same.
123         (build_poly_dr): Same.
124         (build_alias_set_optimal_p): Same.
125         (build_base_obj_set_for_drs): Same.  Do not store the result of
126         graphds_dfs.
127
128 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
129
130         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
131         all_components_are_cliques to 1.
132
133 2009-10-20  Li Feng  <nemokingdom@gmail.com>
134
135         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
136         the new structure.
137         (pdr_add_alias_set): Update retrieving alias_set_num.
138         (build_poly_dr): Update retrieving dr_base_object_set.
139         (partition_drs_to_sets): Remove.
140         (build_alias_set_optimal_p): New.
141         (build_alias_set_for_drs): Rename.
142         (build_scop_drs): Update.
143         * graphite-sese-to-poly.h (struct base_alias_pair): New.
144         (ALIAS_SET_INDEX): Remove.
145         (BASE_OBJECT_SET_INDEX): Remove.
146
147 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
148
149         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
150
151 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
152
153         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
154         loop upper bounds for 1-element arrays at end of structures.
155         * tree-flow.h (array_at_struct_end_p): Declared.
156         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
157
158 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
159
160         * g++.dg/graphite/pr41305.C: New.
161
162 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
163
164         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
165         construction of parameter constraints from loop iteration analysis.
166         * gcc.dg/graphite/run-id-2.c: New test.
167
168 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
169
170         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
171         and new_cstr.
172
173 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
174
175         * graphite-dependences.c (dependence_polyhedron_1): Remove
176         unused gdim dimensions from the DDR polyhedron.
177
178 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
179
180         * graphite-dependences.c (pddr_transformed_scattering): New.
181         (dot_original_deps_stmt_1): New.
182         (dot_transformed_deps_stmt_1): New.
183         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
184         dot_transformed_deps_stmt_1.
185         (dot_original_deps): New.
186         (dot_transformed_deps): New.
187         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
188
189 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
190
191         * graphite-dependences.c (reduction_dr_1): Remove wrong
192         assert: reduction BBs can have multiple reduction writes
193         to memory.  interchange-3.f90 is an example.
194
195 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
196
197         * gfortran.dg/graphite/interchange-3.f90: New.
198
199 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
200
201         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
202
203 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
204
205         * graphite-dependences.c (dependence_polyhedron_1): Add the
206         context to the dependence polyhedron.
207
208 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
209
210         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
211         PBB_PDR_DUPLICATES_REMOVED.
212         (new_poly_bb): Same.
213
214 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
215
216         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
217         SCOP_CONTEXT.
218         (build_loop_iteration_domains): Extract bounds on parameters
219         based on the data size.
220         (build_scop_context): Do not initialize SCOP_CONTEXT;
221         add new constraints.
222
223 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
224
225         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
226         * graphite-ppl.h (graphite-ppl.h): Declared.
227
228 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
229
230         * graphite-ppl.c (ppl_print_linear_expr): New.
231         (debug_ppl_linear_expr): New.
232         * graphite-ppl.h (ppl_print_linear_expr): Declared.
233         (debug_ppl_linear_expr): Declared.
234
235 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
236
237         * graphite-interchange.c: Fix comments.
238         * gcc.dg/graphite/block-1.c: Fix comments.
239
240 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
241
242         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
243         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
244
245 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
246
247         Reapply the patch from Alexander Monakov that disappeared during
248         the last merges from trunk.
249
250         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
251
252         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
253         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
254
255 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
256
257         * graphite-interchange.c (memory_stride_in_loop): The depth
258         argument corresponds to a dynamic time dimension, so use
259         psct_dynamic_dim to refer to the transformed scattering dimension.
260
261 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
262
263         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
264
265 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
266
267         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
268         root of the LST.
269         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
270         the root of the LST.
271         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
272         fake loop.
273         (print_lst): Print the root of LST in a different format.
274         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
275
276 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
277
278         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
279
280 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
281
282         * doc/passes.texi: Document the Graphite infrastructure.
283
284 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
285
286         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
287         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
288         and check the SSA representation.
289
290         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
291
292 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
293
294         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
295
296 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
297
298         * gcc.dg/graphite/interchange-11.c: New.
299
300 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
301
302         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
303
304 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
305
306         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
307         Add -fno-loop-strip-mine and -fno-loop-interchange.
308         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
309         -fno-loop-strip-mine.
310         * gfortran.dg/graphite/graphite.exp: Same.
311
312 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
313
314         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
315         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
316         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
317         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
318         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
319         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
320         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
321         DEFAULT_FLAGS_GRAPHITE_SCOP.
322         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
323         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
324
325 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
326
327         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
328
329 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
330             Sebastian Pop  <sebastian.pop@amd.com>
331
332         * graphite-interchange.c (build_linearized_memory_access): Pass an
333         offset as parameter.
334         (memory_stride_in_loop): Include transform scattering in the
335         access functions to be able to querry the strides in the
336         transformed loops.
337         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
338         not the psct_iterator_dim.
339
340 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
341
342         * graphite-blocking.c (pbb_do_strip_mine): Removed.
343         (lst_do_strip_mine_loop): New.
344         (lst_do_strip_mine): New.
345         (scop_do_strip_mine): Call lst_do_strip_mine.
346         * graphite-poly.h (lst_add_loop_under_loop): New.
347         (lst_find_first_pbb): New.
348
349 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
350
351         * graphite-poly.c (loop_to_lst): Fix LST creation.
352
353 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
354
355         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
356         sizeof(unsigned long) to make it run on 32bit systems.
357
358 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
359
360         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
361         SEGFAULT on 32bit.
362
363 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
364
365         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
366         Comment.
367         (write_alias_graph_to_ascii_dot): New.
368         (write_alias_graph_to_ascii_ecc): Ditto.
369         (partition_drs_to_sets): Add testing of optimality of current method
370         which assigns alias numbers according to DFS Comopnent number.  used
371         as heuristic for the upcoming ECC algorithm.
372         (build_scop_drs): Write to file also with the ecc and dot format.
373
374 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
375
376         * gfortran.dg/graphite/interchange-1.f: XFail.
377
378 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
379
380         * graphite.c (graphite_initialize): Do not handle functions with
381         more than 100 basic blocks.
382
383 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
384
385         * graphite-blocking.c (pbb_do_strip_mine): Use
386         PARAM_LOOP_BLOCK_TILE_SIZE.
387
388 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
389
390         * graphite-poly.c (dot_lst_1): New.
391         (dot_lst): New.
392         * graphite-poly.h (dot_lst): Declared.
393
394 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
395
396         * graphite-dependences.c (dot_deps_stmt_1): New.
397         (dot_deps_stmt): New.
398         * graphite-dependences.h (dot_deps_stmt): Declared.
399
400 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
401
402         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
403         not replace cross BB scalar dependences ending on PHI nodes.
404         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
405
406 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
407
408         * graphite-poly.c (apply_poly_transforms): Implement the high
409         level driver for flag_loop_block.
410         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
411         flag_loop_block.
412
413         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
414         -floop-block.
415         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
416         Add -floop-block.
417
418 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
419
420         * graphite-poly.h (lst_find_pbb): New.
421         (find_lst_loop): New.
422
423 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
424
425         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
426         * graphite-poly.h (struct scop): Remove dep_graph field.
427         (SCOP_DEP_GRAPH): Removed.
428
429 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
430
431         * graphite-poly.h (copy_lst): Do full copy of LST.
432
433 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
434
435         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
436         when the loop stride is zero.
437
438         * gcc.dg/graphite/id-16.c: New.
439
440 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
441
442         * graphite-dependences.c (reduction_dr_1): New.
443         (reduction_dr_p): New.
444         (graphite_legal_transform_dr): Call reduction_dr_p.
445         (reduction_ddr): Renamed reduction_ddr_p.
446         * graphite-poly.h (same_pdr_p): New.
447         (number_of_write_pdrs): New.
448         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
449         (split_reduction_stmt): Do not split reduction statements
450         when there are no writes to memory.
451         (translate_scalar_reduction_to_array_for_stmt): Insert the
452         memory reduction statement just after the scalar reduction statement.
453
454         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
455         Un-XFAIL-ed.
456         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
457         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
458
459 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
460
461         * graphite-interchange.c (lst_apply_interchange): New.
462         (lst_interchange_profitable_p): New.
463         (lst_try_interchange_loops): New.
464         (lst_try_interchange): New.
465         (lst_do_interchange): New.
466         (pbb_do_interchange): Removed.
467         (scop_do_interchange): Call lst_do_interchange.
468
469 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
470
471         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
472         SCOP_TRANSFORMED_SCHEDULE.
473         (loop_to_lst): New.
474         (scop_to_lst): New.
475         (print_lst): New.
476         (debug_lst): New.
477         * graphite-poly.h (lst_p): New.
478         (struct lst): New.
479         (LST_LOOP_P): New.
480         (LST_LOOP_FATHER): New.
481         (LST_PBB): New.
482         (LST_SEQ): New.
483         (scop_to_lst): Declared.
484         (print_lst): Declared.
485         (debug_lst): Declared.
486         (new_lst_loop): New.
487         (new_lst_stmt): New.
488         (copy_lst): New.
489         (lst_depth): New.
490         (lst_dewey_number): New.
491         (struct scop): Add original_schedule and transformed_schedule fields.
492         (SCOP_ORIGINAL_SCHEDULE): New.
493         (SCOP_TRANSFORMED_SCHEDULE): New.
494         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
495
496 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
497
498         * graphite-dependences.c (reduction_ddr): New.
499         (graphite_legal_transform_bb): Call reduction_ddr.
500         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
501         Initialize PBB_IS_REDUCTION.
502         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
503         (PBB_IS_REDUCTION): New.
504         (new_poly_bb): Update declaration.
505         * graphite-scop-detection.h (build_scop_bbs): Removed.
506         (nb_reductions_in_loop): Removed.
507         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
508         parameter for reductions.
509         (try_generate_gimple_bb): Update call to new_poly_bb.
510         (build_scop_bbs_1): Same.
511         (build_scop_bbs): Same.
512         (gsi_for_phi_node): New.
513         (scalar_close_phi_node_p): Remove gcc_assert.
514         (split_reduction_stmt): New.
515         (is_reduction_operation_p): New.
516         (phi_contains_arg): New.
517         (follow_ssa_with_commutative_ops): New.
518         (detect_commutative_reduction_arg): New.
519         (detect_commutative_reduction_assign): New.
520         (follow_inital_value_to_phi): New.
521         (edge_initial_value_for_loop_phi): New.
522         (initial_value_for_loop_phi): New.
523         (detect_commutative_reduction): New.
524         (translate_scalar_reduction_to_array_for_stmt): New.
525         (insert_copyout): New.
526         (insert_copyin): New.
527         (translate_scalar_reduction_to_array): New.
528         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
529         (rewrite_commutative_reductions_out_of_ssa_loop): New.
530         (rewrite_commutative_reductions_out_of_ssa): New.
531         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
532         * sese.h (split_region_for_bb): New.
533
534         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
535         * gcc.dg/graphite/interchange-1.c: Fix format.
536         * gcc.dg/graphite/interchange-10.c: New.
537
538 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
539
540         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
541         buggy assert.
542
543 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
544
545         * graphite-sese-to-poly.c (scev_analyzable_p): New.
546         (rewrite_cross_bb_scalar_dependence): New.
547         (rewrite_cross_bb_scalar_deps): New.
548         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
549         Call rewrite_cross_bb_scalar_deps.
550
551 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
552
553         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
554         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
555         gsi_for_stmt.
556
557 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
558
559         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
560         * graphite-interchange.c (pbb_do_interchange): Same.
561         * graphite-poly.c (print_scattering_function): Same.
562         (debug_pdrs): Same.
563         * graphite-poly.h (pbb_loop): New.
564         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
565
566 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
567
568         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
569
570 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
571
572         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
573         so don't pass a pointer to it.
574         (build_alias_set_for_drs): Same.
575         (build_base_obj_set_for_drs): Same.
576         (build_scop_drs): Same.
577
578 2009-09-26  Li Feng  <nemokingdom@gmail.com>
579
580         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
581         the alias graph of data references.
582
583 2009-09-25  Li Feng  <nemokingdom@gmail.com>
584
585         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
586         (build_scop_drs): When debugging, write the alias graph to file,
587         otherwise, should be disabled.
588
589 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
590
591         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
592         (is_simple_operand): Remove call to stmt_simple_memref_p.
593         (stmt_simple_for_scop_p): Update call to is_simple_operand.
594
595 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
596
597         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
598         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
599         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
600         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
601         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
602
603 2009-09-17 Li Feng  <nemokingdom@gmail.com>
604
605         PR middle-end/41118
606         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
607         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
608         (graphite_carried_dependence_level_k): Ditto.
609         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
610         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
611         (new_poly_dr): Adjust declaration.
612         * graphite-sese-to-poly.c (free_data_refs_aux): New.
613         (free_gimple_bb): Added free_data_refs_aux.
614         (build_poly_dr): Add dr_base_object_set.
615         (partition_drs_to_sets): New.
616         (dr_same_base_object_p): New.
617         (build_alias_set_for_drs): New.
618         (build_base_object_set_for_drs): New.
619         (build_scop_drs): Add build_base_obj_set_for_drs.
620         * graphite-sese-to-poly.h: Added #define for alias set number index and
621         base object set index.
622         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
623         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
624
625 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
626
627         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
628         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
629
630 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
631
632         * graphite-sese-to-poly.c (struct irp_data): Removed.
633         (idx_record_params): Removed.
634         (find_params_in_bb): Scan for parameters the access functions; don't
635         parse the tree representation.
636
637 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
638
639         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
640         passes at -O1 and below.
641
642 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
643
644         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
645         tree-scalar-evolution.h, and then tree-data-ref.h.
646         * graphite-clast-to-gimple.c: Same.
647         * graphite-dependences.c: Same.
648         * graphite-interchange.c: Same.
649         * graphite-poly.c: Same.
650         * graphite-scop-detection.c: Same.
651         * graphite-sese-to-poly.c: Same.
652         * graphite.c: Same.
653         * lambda-code.c: Same.
654         * matrix-reorg.c: Same.
655         * tree-data-ref.c: Same.
656         * tree-if-conv.c: Same.
657         * tree-loop-distribu: Same.: Same.
658         * tree-loop-linear.c: Same.
659         * tree-parloops.c: Same.
660         * tree-predcom.c: Same.
661         * tree-vect-patterns.c: Same.
662
663 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
664
665         Partially revert the previous patch, except the following.
666         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
667         as parameters the operands of the not expression.
668
669 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
670
671         * tree-scalar-evolution.c (instantiate_scev_assign): New.
672         Do not call analyze_scalar_evolution on assignments.
673         (instantiate_scev_phi): Call analyze_scalar_evolution.
674         (instantiate_scev_name): Call instantiate_scev_assign and
675         instantiate_scev_phi.
676         (instantiate_scev_not): Adapted to pass as parameters the operands
677         of the not expression.
678
679 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
680
681         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
682         to pass as parameters the operands of the binary expression.
683
684 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
685
686         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
687         instantiate_scev_not.  Handle NEGATE_EXPR.
688         (instantiate_scev_r): Handle NEGATE_EXPR.
689
690 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
691
692         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
693         instantiate_scev_r.
694         (instantiate_scev_r): Move code in instantiate_scev_2
695         and instantiate_scev_1.
696
697 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
698
699         * tree-scalar-evolution.c (instantiate_scev_3): New.
700         (instantiate_scev_1): Move code in instantiate_scev_3.
701
702 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
703
704         * tree-scalar-evolution.c (instantiate_scev_poly): New.
705         (instantiate_scev_1): Move code in instantiate_scev_poly.
706
707 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
708
709         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
710         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
711
712 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
713
714         * tree-scalar-evolution.c (instantiate_scev_convert): New.
715         (instantiate_scev_1): Move code in instantiate_scev_convert.
716
717 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
718
719         * tree-scalar-evolution.c (instantiate_scev_binary): New.
720         (instantiate_scev_1): Move code in instantiate_scev_binary.
721
722 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
723
724         * tree-scalar-evolution.c (instantiate_scev_name): New.
725         (instantiate_scev_1): Move code in instantiate_scev_name.
726
727 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
728
729         * Merge from mainline (150992:151171).
730
731 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
732
733         * graphite-dependences.c (graphite_legal_transform_bb): Call
734         pbb_remove_duplicate_pdrs.
735         * graphite-poly.c (can_collapse_pdr): Removed.
736         (pdr_find_duplicate): Removed.
737         (can_collapse_pdrs): New.
738         (pbb_remove_duplicate_pdrs): New.
739         (new_poly_dr): Do not look for duplicates.
740         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
741         (PBB_PDR_DUPLICATES_REMOVED): New.
742         (pbb_remove_duplicate_pdrs): Declared.
743
744 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
745
746         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
747         the strides by multiplying by PDR_NB_REFS.
748         * graphite-poly.c (can_collapse_pdr): New.
749         (pdr_find_duplicate): New.
750         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
751         Initialize PDR_NB_REFS.
752         * graphite-poly.h (struct poly_dr): Add field nb_refs.
753         (PDR_NB_REFS): New.
754         (new_poly_dr): Number of subscripts is a graphite_dim_t.
755
756 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
757
758         Revert one of the previous commits:
759         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
760         the computation of symmetric data dependence relations.
761         (dependency_between_pbbs_p): Same.
762
763 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
764
765         PR middle-end/40965
766         * graphite-poly.c (apply_poly_transforms): Remove legality test before
767         any transform.
768
769 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
770
771         * graphite-dependences.c (pddr_original_scattering): Return NULL
772         for read-read dependence relations.
773         * graphite-poly.h (enum poly_dr_type): Fix comment.
774         (pdr_read_p): New.
775         (pdr_write_p): New.
776         (pdr_may_write_p): New.
777
778 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
779
780         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
781         (struct poly_dr): Same.
782         (new_poly_dr): Same.
783         * graphite-poly.c (new_poly_dr): Same.
784
785 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
786             Sebastian Pop  <sebastian.pop@amd.com>
787
788         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
789         pbb_strip_mine_time_depth.  Changed the implementation so that
790         transformation is expressed as a transformation on
791         time (scatttering) dimensions.  Also, ensures that the 2d+1
792         scheduling format is preserved.
793         (pbb_strip_mine_profitable_p): Profitability is based on the
794         iteration number of a given time (scattering) dimension,
795         and not on a original loop depth dimension.
796         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
797         (pbb_do_strip_mine): Call psct_dynamic_dim.
798         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
799         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
800         (pbb_nb_dynamic_scattering_transform): New.
801         (psct_dynamic_dim): New.
802
803 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
804
805         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
806         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
807         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
808         * graphite-interchange.c (build_linearized_memory_access): Same.
809         (memory_stride_in_loop): Same.
810
811 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
812
813         * graphite-dependences.c (pddr_original_scattering): New.
814         (graphite_legal_transform_dr): Call pddr_original_scattering.
815         (dot_deps_1): New.
816         (dot_deps): New.
817         * graphite-dependences.h (dot_deps): Declared.
818         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
819         (print_pdr): Print PDR_ID.
820         * graphite-poly.h (struct poly_dr): Add field id.
821         (PDR_ID): New.
822         (pbb_index): New.
823         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
824
825 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
826
827         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
828         not delete the original dependence relation.
829
830 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
831
832         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
833         the computation of symmetric data dependence relations.
834         (dependency_between_pbbs_p): Same.
835
836 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
837
838         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
839         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
840         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
841         (free_poly_ddr): New.
842         (pddr_is_empty): New.
843         (dependence_polyhedron_1): Now returns a poly_ddr_p.
844         (dependence_polyhedron): Same.  Remove useless gcc_assert.
845         Remove fprintfs.
846         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
847         (graphite_carried_dependence_level_k): Call pddr_is_empty.
848         * graphite-dependences.h (enum poly_dependence_kind): New.
849         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
850         (PDRP_SOURCE): Renamed PDDR_SOURCE.
851         (PDRP_SINK): Renamed PDDR_SINK.
852         (PDRP_DDP): Renamed PDDR_DDP.
853         (PDDR_KIND): New.
854         (free_poly_ddr): Declared.
855         * graphite-poly.c (new_scop): Use the new hash function names.
856         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
857         into original_pddrs.
858         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
859
860 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
861
862         * Merge from mainline (150764:150992).
863
864 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
865
866         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
867         bounds with LT_EXPR to make niter analysis more precise on code
868         generated by Graphite.
869
870 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
871
872         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
873         (graphite_legal_transform_bb): Same.
874         (poly_drs_may_alias_p): Same.
875
876 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
877
878         PR middle-end/40981
879         * graphite-ppl.c (ppl_max_for_le): Correct the use of
880         ppl_Pointset_Powerset_C_Polyhedron_maximize.
881
882 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
883
884         * graphite-poly.c (print_pbb): Print PBB index.
885
886 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
887
888         * Merge from mainline (r150672:150764).
889
890 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
891
892         * graphite-interchange.c (ppl_max_for_le): Moved...
893         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
894         * graphite-ppl.c (ppl_max_for_le): ... here.
895         * graphite-ppl.h (ppl_max_for_le): Declared.
896
897 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
898
899         * Merge from mainline (r150372:150672).
900
901 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
902
903         PR middle-end/40980
904         * sese.c (convert_for_phi_arg): New.
905         (add_guard_exit_phis): Use convert_for_phi_arg.
906
907         * testsuite/gfortran.dg/graphite/id-17.f: New.
908
909 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
910
911         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
912         unknown subscript upper bounds.
913
914         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
915
916 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
917             Pranav Garg  <pranav.garg2107@gmail.com>
918
919         * graphite-interchange.c (gather_access_strides): Removed.
920         (ppl_max_for_le): New.
921         (build_linearized_memory_access): New.
922         (memory_stride_in_loop): New.
923         (pbb_interchange_profitable_p): Reimplemented.
924         * graphite-ppl.h (ppl_new_id_map): New.
925         (ppl_interchange): New.
926
927         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
928
929 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
930
931         * graphite-interchange.c (compute_subscript): Removed.
932         (compute_array_size_cstr): Removed.
933         (compute_array_size_poly): Removed.
934         (compute_array_size): Removed.
935         (gather_access_strides_poly): Removed.
936         (gather_access_strides): Empty.
937
938 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
939
940         * graphite-dependences.c (dependence_polyhedron_1): Replace
941         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
942         (graphite_legal_transform_dr): Same.
943         (graphite_carried_dependence_level_k): Same.
944         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
945         Initialize PDR_NB_SUBSCRIPTS.
946         (print_pdr_access_layout): Replace pdr_nb_subscripts with
947         PDR_NB_SUBSCRIPTS.
948         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
949         (PDR_NB_SUBSCRIPTS): New.
950         (pdr_nb_subscripts): Removed.
951         (pdr_dim): Simplified.
952         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
953         with PDR_NB_SUBSCRIPTS.
954
955 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
956
957         * graphite-interchange.c (compute_array_size): Remove use of
958         PDR_DATA_CONTAINER.
959         * graphite-poly.c (new_poly_dr): Remove argument data_container.
960         Do not initialize PDR_DATA_CONTAINER.
961         (print_pdr): Do not print PDR_DATA_CONTAINER.
962         * graphite-poly.h (struct poly_dr): Remove data_container field.
963         (PDR_DATA_CONTAINER): Removed.
964         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
965         PDR_DATA_CONTAINER.
966         (build_poly_dr): Same.
967
968 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
969
970         * testsuite/gcc.dg/graphite/interchange-9.c: New.
971
972 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
973             Sebastian Pop  <sebastian.pop@amd.com>
974
975         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
976         copy of the dependence polyhedron.  Free the temporary objects.
977         (graphite_carried_dependence_level_k): Free unused objects before
978         returning.
979
980         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
981         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
982         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
983         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
984         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
985
986 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
987
988         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
989         Early return without analyzing the data dependences if no
990         transform has been done.  Call restore_scattering if the transform
991         is not legal.
992         (graphite-interchange.c): Same.
993         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
994         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
995         (apply_poly_transforms): Do not gcc_assert that
996         the transform is legal.
997         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
998         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
999         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1000         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1001         * graphite-poly.h (struct poly_scattering): New.
1002         (struct poly_bb): Add original, transformed, and saved fields.
1003         Remove transformed_scattering, original_scattering, nb_local_variables,
1004         and nb_scattering_transform fields.
1005         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1006         (poly_scattering_new): New.
1007         (poly_scattering_free): New.
1008         (poly_scattering_copy): New.
1009         (store_scattering_pbb): New.
1010         (store_scattering): New.
1011         (restore_scattering_pbb): New.
1012         (restore_scattering): New.
1013         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1014         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1015
1016 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1017
1018         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1019         (print_scop): Same.
1020
1021 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         * Makefile.in (graphite.o): Depends on PREDICT_H.
1024         * graphite.c: Include predict.h.
1025         (graphite_finalize): Call tree_estimate_probability.
1026         * predict.c (predict_loops): Do not call scev_initialize and
1027         scev_finalize.
1028         (tree_estimate_probability_bb): New.
1029         (tree_estimate_probability): Do not initialize loops: move that
1030         code to the driver.  Call tree_estimate_probability_bb.
1031         (tree_estimate_probability_driver): New.
1032         (pass_profile): Use tree_estimate_probability_driver.
1033         * predict.h (tree_estimate_probability): Declared.
1034
1035 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1036
1037         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1038         * graphite-dependences.c (graphite_legal_transform): Add time to
1039         TV_GRAPHITE_DATA_DEPS.
1040         (dependency_between_pbbs_p): Same.
1041         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1042
1043 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1044
1045         * Merge from mainline (r149952:150372).
1046
1047 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1050         * graphite-blocking.c: Same.
1051         * graphite-clast-to-gimple.c: Same.
1052         * graphite-dependences.c: Same.
1053         * graphite-poly.c: Same.
1054         * graphite-poly.h: Same.
1055         * graphite-ppl.c: Same.
1056         * graphite-scop-detection.c: Same.
1057         * graphite-sese-to-poly.c: Same.
1058         * graphite.c: Same.
1059
1060 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1063         (remove_simple_copy_phi): New.
1064         (remove_invariant_phi): New.
1065         (simple_copy_phi_p): New.
1066         (reduction_phi_p): New.
1067         (gsi_for_ssa_name_def): New.
1068         (insert_out_of_ssa_copy): New.
1069         (insert_out_of_ssa_copy_on_edge): New.
1070         (create_zero_dim_array): New.
1071         (scalar_close_phi_node_p): New.
1072         (rewrite_close_phi_out_of_ssa): New.
1073         (rewrite_phi_out_of_ssa): New.
1074         (rewrite_reductions_out_of_ssa): New.
1075         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1076
1077         * testsuite/gcc.dg/graphite/id-11.c: New.
1078         * testsuite/gcc.dg/graphite/id-15.c: New.
1079         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1080         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1081         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1082         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1083         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1084         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1085         * testsuite/gfortran.dg/graphite/id-13.f: New.
1086         * testsuite/gfortran.dg/graphite/id-5.f: New.
1087
1088 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1091         check that nb_reductions_in_loop is zero.
1092         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1093         reduction phi nodes.
1094         (nb_reductions_in_loop): Removed.
1095         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1096         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1097         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1098         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1099         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1100
1101 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1104         statements that have an empty iteration domain.
1105         * testsuite/gfortran.dg/graphite/id-16.f: New.
1106
1107 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * tree-scalar-evolution.c (instantiate_scev_1): Return
1110         chrec_dont_know when the result is not above instantiate_below.
1111         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1112         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1113         the tree has a known scalar evolution.
1114         * testsuite/gfortran.dg/graphite/id-14.f: New.
1115         * testsuite/gfortran.dg/graphite/id-15.f: New.
1116
1117 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1120         insert_gsi.
1121         (rename_variables): Keep inserting renames after the ones already
1122         inserted.
1123
1124 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1125
1126         * graphite-sese-to-poly.c (compare_bb_depths): New.
1127         (graphite_sort_dominated_info): New.
1128         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1129         (build_scop_scattering): Fix comment.
1130
1131 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite.c (graphite_finalize): Call print_loops instead of
1134         dump_function_to_file.
1135         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1136         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1137         loops generated in the graphite output file.
1138         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1139         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1140         * testsuite/gfortran.dg/graphite/id-12.f: New.
1141
1142 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1143
1144         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1145         Remove 2 XFAIL.
1146
1147 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1148             Tobias Grosser  <grosser@fim.uni-passau.de>
1149
1150         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1151         alias set number build alias in ACCESSES polyhedron.
1152         (build_alias_set_for_drs): New.
1153         (build_pbb_drs): Added build_alias_set_for_drs.
1154         * graphite-dependences.c (poly_drs_may_alias_p): New.
1155         (graphite_carried_dependence_level_k): Check alias information
1156         before building polyhedron.
1157
1158 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1159
1160         * Makefile.in (lambda-code.o): Fix formatting.
1161
1162 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1163
1164         * Merge from mainline (r149350-149952)
1165
1166 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1167
1168         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1169         before interchange to prepare for loop blocking.
1170
1171 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1172
1173         * graphite-poly.c (apply_poly_transforms): Add checks after every
1174         transformation.
1175         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1176         done in apply_poly_transforms.
1177
1178 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1179
1180         * graphite-dependences.c (build_lexicographically_gt_constraint):
1181         Replace RES parameter with *RES.
1182         (dependence_polyhedron_1): Pass an address of the parameter RES
1183         instead of value of RES.
1184
1185 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * graphite.c (graphite_finalize): Fix comment.
1188         (graphite_transform_loops): Reset scev info after code generation
1189         of each scop.
1190
1191 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * graphite.c (graphite_finalize): Call scev_reset.
1194
1195 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1198         GBB_CLOOG_IV_TYPES hash table twice.
1199         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1200         (add_condition_to_domain): Clear GMP values.
1201
1202 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * graphite-dependences.c: Fix formatting.
1205         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1206         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1207         * graphite-sese-to-poly.c: Fix formatting.
1208         * graphite.c (graphite_transform_loops): Create the hash table
1209         after the early return.
1210
1211 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * testsuite/gcc.dg/graphite/id-14.c: New.
1214         * testsuite/gcc.dg/graphite/pr40157.c: New.
1215         * testsuite/gfortran.dg/graphite/id-11.f: New.
1216
1217 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1220         (build_poly_scop): Return false when there are no pbbs within
1221         loops to avoid to pass to cloog scops with no loops.
1222
1223 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1226         useless test "i % 2".
1227         (build_pbb_scattering_polyhedrons): Fix formatting.
1228         (build_poly_dr): Same.
1229         * graphite.c (graphite_transform_loops): Restructure.
1230
1231 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1232
1233         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1234         reduction_list parameter.
1235         (rewrite_all_phi_nodes_with_iv): Same.
1236         (canonicalize_loop_ivs): Same.
1237         * tree-parloops.c (struct brli): Removed.
1238         (build_reduction_list_info): Removed.
1239         (build_new_reduction): New.
1240         (analyze_reduction_list): Removed.
1241         (gather_scalar_reductions): Find reductions instead of phi
1242         nodes that can't be canonicalized.
1243         (try_create_reduction_list): Remove reduction_list parameter.
1244         (gen_parallel_loop): Same.
1245         (parallelize_loops): Remove analyze_reductions variable,
1246         initialization and free.
1247         Change reduction_list htab initialization to reduction_info
1248         elements instead of ssa names.
1249         Call try_create_reduction_list and gen_parallel_loop without
1250         analyzed_reduction argument.
1251         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1252         canonicalize_loop_ivs with one less argument.
1253         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1254
1255 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1256
1257         * graphite-dependences.c (new_poly_dr_pair): New.
1258         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1259         (new_poly_dr_pair): New.
1260         (eq_poly_dr_pair_p): New.
1261         (hash_poly_dr_pair_p): New.
1262         * graphite-dependences.h (struct poly_dr_pair): New.
1263         (eq_poly_dr_pair_p): Declared.
1264         (hash_poly_dr_pair_p): Declared.
1265         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1266         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1267         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1268         * Makefile.in (graphite-poly.o): Add dependence on
1269         graphite-dependences.h.
1270
1271 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1274         polynomials of degree > 1 pass to Graphite.
1275         * tree-chrec.c (scev_is_linear_expression): Call
1276         evolution_function_is_affine_multivariate_p.
1277         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1278
1279 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1282         Instantiate scevs varying in outer loops.
1283         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1284
1285 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1288         redundant constraint.
1289
1290 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1293         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1294         based on the file names as in the C testsuite.
1295         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1296         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1297         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1298         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1299         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1300         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1301         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1302         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1303         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1304         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1305         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1306         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1307         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1308
1309 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1310
1311         * sese.c (expand_scalar_variables_call): New.
1312         (expand_scalar_variables_ssa_name): Handle calls in expander.
1313
1314 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1317         Expect to see the pattern twice.
1318         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1319         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1320         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1321
1322 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1323
1324         * testsuite/gcc.dg/graphite/id-10.c: New.
1325         * testsuite/gcc.dg/graphite/id-12.c: New.
1326         * testsuite/gfortran.dg/graphite/id-7.f: New.
1327         * testsuite/gfortran.dg/graphite/id-8.f: New.
1328
1329 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1330
1331         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1332         zero.
1333
1334 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1337
1338 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1341
1342 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1345         building PDR subscripts.
1346
1347 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1350         computation of array sizes.
1351
1352 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1355
1356 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1357
1358         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1359         build_pairwise_constraint, dr_equality_constraints,
1360         build_pairwise_scheduling_equality,
1361         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1362         build_lexicographically_gt_constraint, dependence_polyhedron,
1363         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1364         Move from NNC_Polyhedron to C_Polyhedron.
1365         * graphite-interchange.c (compute_array_size_poly,
1366         gather_access_strides): Dito.
1367         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1368         free_scop, pbb_number_of_iterations): Dito.
1369         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1370         pbb_dim_iter_domain, struct scop): Dito.
1371         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1372         new_Cloog_Domain_from_ppl_Polyhedron,
1373         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1374         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1375         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1376         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1377         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1378         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1379         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1380         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1381         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1382         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1383         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1384         build_scop_iteration_domain, build_poly_dr): Dito
1385
1386 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1389         run-id-*.c files.
1390         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1391
1392 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1395         positivity constraint on the symbolic number of iterations.
1396
1397 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1400
1401 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1402             Tobias Grosser  <grosser@fim.uni-passau.de>
1403
1404         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1405         (build_cloog_prog): Directly use SCOP_CONTEXT.
1406         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1407         (free_scop): Free SCOP_CONTEXT.
1408         (print_scop_context): New.
1409         (print_scop): Call print_scop_context.
1410         (debug_scop_context): New.
1411         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1412         (struct scop): Added field context.
1413         (SCOP_CONTEXT): New.
1414         * graphite-sese-to-poly.c (add_param_constraints): New.
1415         (build_scop_context): New.
1416         (build_poly_scop): Call build_scop_context.
1417
1418 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1421         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1422         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1423         * graphite-ppl.h: Include double-int.h and tree.h.
1424         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1425         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1426         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1427         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1428
1429 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1432         POINTER_PLUS_EXPR for pointer types.
1433         (clast_to_gcc_expression): Same.
1434
1435 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-poly.c (print_scattering_function): Early return when
1438         PBB_TRANSFORMED_SCATTERING is not initialized.
1439         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1440
1441 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1442
1443         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1444         to fix bootstrap.
1445
1446 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1447
1448         * tree-parloops.c (analyze_reduction_list): Change return
1449         value to void.
1450         (try_create_reduction_list): Move the call to
1451         analyze_reduction_list to the beginining.
1452         Call reduction_phi with analyzed_reductions as argument
1453         instead of reduction_list.
1454
1455 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1456
1457         *  Merge from mainline (r148296:149346)
1458
1459 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * graphite-scop-detection.c (graphite_can_represent_init): New.
1462         (graphite_can_represent_scev): Call graphite_can_represent_init:
1463         check that the initial value does not contain multiplications of
1464         parameters.
1465         (stmt_has_simple_data_refs_p): New.
1466         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1467         (is_simple_operand): Fix formatting.
1468         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1469
1470 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * testsuite/gcc.dg/graphite/id-13.c: New.
1473         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1474         analyze_scalar_evolution, use scalar_evolution_in_region.
1475         (scan_tree_for_params_right_scev): Add extra assert.
1476         (parameter_index_in_region_1): Split from parameter_index_in_region.
1477         (idx_record_params): Use scalar_evolution_in_region.
1478         (find_params_in_bb): Same.
1479         (find_scop_parameters): Same.
1480         (build_loop_iteration_domains): Same.
1481         (create_linear_expr_from_tree): Same.
1482         * sese.c (scalar_evolution_in_region): New.
1483         * sese.h (scalar_evolution_in_region): Declared.
1484         (defined_in_sese_p): New.
1485         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1486         static anymore.
1487         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1488         Declared.
1489
1490 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1491
1492         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1493         TREE_DATA_REF_H also implies SCEV_H.
1494
1495 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1496
1497         * graphite-poly.c (print_scop_params): New.
1498         (print_scop): Call print_scop_params.
1499         (debug_scop_params): New.
1500         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1501
1502 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1503
1504         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1505         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1506         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1507         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1508         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1509         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1510
1511 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1512
1513         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1514         for dependency checking part.
1515         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1516         tests for dependency checking.
1517         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1518         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1519         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1520         flag -fdump-tree-graphite-all for autopar testsuites.
1521
1522 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1525         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1526         canonicalize_loop_ivs): Moved...
1527         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1528
1529 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1530
1531         * tree-parloops.c (try_create_reduction_list): Pass an extra
1532         argument analyzed_reductions.  Call analyze_reduction_list.
1533         (gen_parallel_loop): Do not call analyze_reduction_list.
1534         (parallelize_loops): Init and finalize analyzed_reductions.
1535
1536 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1537
1538         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1539         Added flag -fno-loop-strip-mine for autopar testcase.
1540
1541 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1542
1543         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1544         transformed scattering dimension instead of unmatch orignal when
1545         calling dependence_polyhedron.
1546
1547 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1550
1551 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1554         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1555
1556 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1559         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1560         * graphite-poly.c (pbb_number_of_iterations): New.
1561         * graphite-poly.h (pbb_number_of_iterations): Declared.
1562         (pbb_iterator_dim, pbb_parameter_dim): New.
1563
1564 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1567         last commit on type of lower and upper bound of loops.
1568
1569 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1570
1571         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1572         graphite-dependences.h.
1573         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1574         (mark_bb_with_pbb): New.
1575         (get_stmtfor_depth): New.
1576         (find_pbb_via_hash): New.
1577         (dependency_in_loop_p): New.
1578         (mark_loops_parallel): New.
1579         (free_aux_in_new_loops): New.
1580         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1581         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1582         innermost loop parallel without checking.
1583         (gloog): Add parameter BB_PBB_MAPPING.
1584         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1585         (gloog): Change declaration.
1586         (mark_loop_parallel): Make extern.
1587         (free_aux_in_new_loops): Declare.
1588         (bb_pbb_map_hash): New.
1589         (eq_bb_pbb_map): New.
1590         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1591         auto parallelization when flag_graphite_force_parallel is set.
1592         (graphite_finalize): Added free_aux_in_new_loops.
1593         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1594         the innermost loop that marked parallel.  Use
1595         flag_graphite_force_parallel instead of loop->can_be_parallel.
1596         (loop_parallel_p): Move inner most checking out of function.
1597
1598 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1601         type of lower and upper bound of loops signed long int.
1602
1603 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1606         expression outside the loop.
1607
1608 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * gcc.dg/graphite/interchange-8.c: New.
1611
1612 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * gcc.dg/graphite/interchange-0.c: XFailed.
1615         * gcc.dg/graphite/interchange-5.c: XFailed.
1616         * gcc.dg/graphite/interchange-6.c: XFailed.
1617
1618 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * graphite-interchange.c (compute_array_size_poly): The end of the
1621         recursion should return 1.
1622
1623 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * graphite-interchange.c (compute_array_size_cstr): Allow the
1626         subscript multiplier to be -1.
1627         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1628         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1629         data_container.  Initializes PDR_DATA_CONTAINER.
1630         (print_pdr_access_layout): New.
1631         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1632         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1633         data_container.
1634         (PDR_DATA_CONTAINER): New.
1635         (new_poly_dr): Update declaration.
1636         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1637         (build_poly_dr): Call pdr_add_data_dimensions.
1638
1639 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-poly.h (struct poly_dr): Fix comment.
1642         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1643         (pdr_add_memory_accesses): New.
1644         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1645
1646 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1649         (print_pbb): Add call to print_pdrs.
1650         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1651
1652 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1653             Li Feng <nemokingdom@gmail.com>
1654
1655         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1656         (dependency_between_pbbs_p): New.
1657         (lexicographically_gt_p): Assure !empty_p before polyhedron
1658         intersection assign.
1659         (build_lexicographically_gt_constraint): Correct lexicographically
1660         judging.
1661         * graphite-dependences.h: New.
1662         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1663
1664 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1667         (gloog): Print to dump_file the generated clast.
1668         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1669         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1670
1671 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * graphite-poly.c (extend_scattering): Increment
1674         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1675
1676 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         * graphite-interchange.c (compute_array_size_poly): Added exit of
1679         recursion condition.  Continue iterating even after the first equality.
1680         (compute_array_size): Same.
1681
1682 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1683
1684         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1685         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1686         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1687         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1688         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1689
1690 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1693         only when the use verifies is_gimple_reg.
1694
1695 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1698         Allocate scaldims after call to unify_scattering_dimensions.
1699
1700 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1703
1704 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1705             Albert Cohen  <albert.cohen@inria.fr>
1706
1707         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1708         variables for the strip mining.
1709
1710 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1711             Pranav Garg  <pranav.garg2107@gmail.com>
1712
1713         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1714         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1715         (graphite-blocking.o): New rule.
1716         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1717         * graphite-blocking.c: New.
1718         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1719         flag_loop_strip_mine.
1720         (psct_scattering_dim_for_loop_depth): New.
1721         * graphite-poly.h (scop_do_strip_mine): Declared.
1722         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1723         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1724         flag_loop_strip_mine.
1725
1726 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1729         a GMP value and a PPL coefficient at each iteration of a loop.
1730
1731 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * graphite-dependences.c (dependence_polyhedron): Do not use
1734         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1735         pbb_nb_scattering_transform.
1736         (graphite_legal_transform_dr): Same.
1737         * graphite-poly.c (extend_scattering): Same.
1738         (unify_scattering_dimensions): Same.
1739         (print_scattering_function): Same.
1740         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1741         PBB_NB_LOCAL_VARIABLES.
1742         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1743         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1744         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1745         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1746         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1747         (pbb_nb_scattering_transform): New.
1748         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1749         (psco_scattering_dim): Add assert on parameters.
1750         (psct_scattering_dim): Same.
1751         (psct_scattering_dim_for_loop_depth): Declared.
1752         (psct_local_var_dim): New.
1753         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1754         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1755         correct layout, call pbb_nb_local_vars.
1756         (psct_add_local_variable, psct_add_scattering_dimension): New.
1757         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1758         Initialize PBB_NB_SCATTERING_TRANSFORM.
1759
1760 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1763         (set_coef): Renamed ppl_set_coef.
1764         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1765
1766 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1769         test a boolean against 1.
1770         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1771         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1772         (pbb_do_interchange): Returns true when a transform has been performed.
1773         (scop_do_interchange): Same.
1774         * graphite-poly.c (apply_poly_transforms): Use the return value of
1775         scop_do_interchange.
1776         * graphite-poly.h (scop_do_interchange): Update declaration.
1777
1778 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1779
1780         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1781         after last use.
1782         * sese.c (sese_reset_aux_in_loops): New.
1783         * sese.h (sese_reset_aux_in_loops): New.
1784
1785 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1786
1787         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1788         multiplier and multiply the constant by the multiplier.
1789         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1790         (build_poly_dr): Do not use the multiplier to define the subscript.
1791
1792 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1795         compiler's data reference.  Initialize PDR_CDR.
1796         (print_pdr): Call dump_data_reference.
1797         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1798         Add compiler_dr field.
1799         (PDR_BB): Renamed PDR_PBB.
1800         (PDR_CDR): New.
1801         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1802         GCC's data reference representation.
1803         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1804         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1805
1806 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * graphite-poly.c (print_scattering_function): Also print the layout.
1809         * graphite-poly.h (pbb_nb_local_vars): New.
1810
1811 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1814
1815 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * graphite-poly.c (print_pdr, debug_pdr): New.
1818         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1819         (PDR_BASE): Removed.
1820
1821 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1824         ltrans-{1..6,8}.c.
1825
1826 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1829         subscript identification column.
1830         (pbb_do_interchange): Print to dump_file that some loops "will be
1831         interchanged".  Rely on that chain of characters in the testcases.
1832         * gcc.dg/graphite/interchange-0.c: New.
1833         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1834         interchange-*.c files and compile them with -floop-interchange.
1835
1836 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1837
1838         * graphite-interchange.c (interchange_profitable_p): Renamed
1839         pbb_interchange_profitable_p.
1840
1841 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1842             Harsha Jagasia  <harsha.jagasia@amd.com>
1843             Pranav Garg  <pranav.garg2107@gmail.com>
1844
1845         * graphite-interchange.c (interchange_profitable_p): Make static.
1846         (pbb_interchange_loop_depths, pbb_do_interchange,
1847         scop_do_interchange): New.
1848         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1849         for flag_loop_interchange.
1850         * graphite-poly.h (scop_do_interchange): Declared.
1851         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1852         flag_loop_interchange is used.
1853
1854 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * graphite-dependences.c (dependence_polyhedron): Update use of
1857         pbb_nb_scattering_dims.
1858         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1859         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1860         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1861         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1862
1863 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1864
1865         * graphite.c: Cleanup foo.
1866
1867 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         * Merge from mainline (r143684:148293).
1870         * Disabled libpcp until it gets fixed.
1871
1872 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1873             Harsha Jagasia  <harsha.jagasia@amd.com>
1874
1875         * graphite-interchange.c: New.
1876         * Makefile.in (graphite-interchange.o): New.
1877         * graphite-poly.h (interchange_profitable_p): Declared.
1878         * graphite-ppl.h (value_max): New.
1879
1880 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1883         * graphite-poly.h: Fix some comments.
1884         (pdr_dim): New.
1885         (pdr_scop): New.
1886
1887 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1888
1889         * graphite-poly.h
1890         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1891         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1892         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1893         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1894         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1895         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1896         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1897         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1898         * graphite-clast-to-gimple.c: Same.
1899         * graphite-dependences.c: Same.
1900         * graphite-poly.c: Same.
1901         * graphite-sese-to-poly.c: Same.
1902
1903 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1906         expressions for an IV rename, as returned by clast_to_gcc_expression.
1907         (copy_renames): Rename new_name to expr.
1908         * sese.c (debug_rename_elt): Same.
1909         (get_rename): Same.
1910         (set_rename): Same.
1911         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1912         the information from the rename map.
1913         (rename_variables_in_stmt): Same.
1914         (add_loop_exit_phis): Rename new_name to expr.
1915         (insert_loop_close_phis): Same.
1916         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1917         * sese.h (struct rename_map_elt): Rename new_name to expr.
1918         (new_rename_map_elt): Same.
1919
1920 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1923         * sese.c (set_rename): Make it extern.
1924         * sese.h (set_rename): Declared.
1925
1926 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * graphite-poly.c (extend_scattering): Free values.
1929         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1930         Free iterators.
1931         (ppl_print_powerset_matrix): Same.
1932         * graphite-scop-detection.c (free_scops_1): New.
1933         (limit_scops): Call free_scops_1.
1934         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1935         (build_poly_dr): Free PPL coefficients.
1936         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1937
1938 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         * graphite-dependences.c: New.
1941         * graphite-data-ref.c: Removed.
1942         * graphite-data-ref.h: Removed.
1943         * Makefile.in (graphite-data-ref.o): Removed.
1944         (graphite-dependences.o): Added.
1945         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1946         * graphite-poly.c: Same.
1947         Move the data dependence testing to graphite-dependences.c.
1948
1949 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1950
1951         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1952         from graphite_cannot_represent_loop. Code refactored.
1953         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1954
1955 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1956
1957         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1958         Cover all the testcases (not only the filtered ones).
1959
1960 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1961
1962         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1963         unnecessary check. Update comments. Move check for REAL_TYPE here.
1964         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1965         done in (stmt_simple_for_scop_p).
1966
1967 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1968
1969         * graphite.c (print_global_statistics): New.
1970         (print_graphite_scop_statistic): New.
1971         (print_graphite_statistics): New.
1972         (graphite_initialize, graphite_transform_loops): Print statistics.
1973         * graphite-scop-detection (build_scops): Print statistics.
1974         (print_graphite_scop_statistics): New.
1975         (print_graphite_statistics): New.
1976
1977 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1978
1979         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1980         (debug_clast_name_index): Removed.
1981         (debug_clast_name_indexes_1): Removed.
1982         (debug_clast_name_indexes): Removed.
1983         (clast_name_index_elt_info): Removed.
1984         (eq_clast_name_indexes): Removed.
1985         (clast_name_to_index): Removed.
1986         (new_clast_name_index): Removed.
1987         (save_clast_name_index): Removed.
1988         (save_var_name): Moved...
1989         (init_sese_params_index): Removed.
1990         (clast_name_to_gcc): Remove use of name_tree.
1991         (initialize_cloog_names): Same.
1992         (gloog): Do not call init_sese_params_index.
1993         * graphite-sese-to-poly.c (save_var_name): ...here.
1994         (parameter_index_in_region): New.
1995         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1996         (parameter_index_in_region): Removed.
1997         (is_parameter): Remove use of name_tree.
1998         * sese.h (struct name_tree): Removed.
1999         (struct sese): Remove use of name_tree.  New field params_names.
2000         (SESE_PARAMS_NAMES): New.
2001         (SESE_PARAMS): Remove duplicate.
2002         (parameter_index_in_region): Removed.
2003         (sese_nb_params): Remove use of name_tree.
2004         (struct clast_name_index): New.
2005         (new_clast_name_index): New.
2006         (clast_name_to_index): New.
2007         (save_clast_name_index): New.
2008         (debug_clast_name_index): New.
2009         (debug_clast_name_indexes_1): New.
2010         (debug_clast_name_indexes): New.
2011         (clast_name_index_elt_info): New.
2012         (eq_clast_name_indexes): New.
2013
2014 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2015
2016         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2017         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2018         (graphite_loop_normal_form): Do not pass region.  Do not
2019         initialize SESE_OLDIVS.
2020         (build_graphite_loop_normal_form): Update call to
2021         graphite_loop_normal_form.
2022         * sese.c (debug_oldivs): Removed.
2023         (new_sese): Do not initialize SESE_OLDIVS.
2024         (free_sese): Do not free SESE_OLDIVS.
2025         (oldiv_for_loop): Removed.
2026         * sese.h (struct sese): Remove old_ivs.
2027         (SESE_OLDIVS): Removed.
2028         (oldiv_for_loop): Removed.
2029
2030 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2033         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2034         replaced by a call to newivs_to_depth_to_newiv.
2035         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2036         (clast_to_gcc_expression_red): Same.
2037         (gcc_type_for_clast_expr): Same.
2038         (gcc_type_for_clast_eq): Same.
2039         (graphite_translate_clast_equation): Same.
2040         (graphite_create_guard_cond_expr): Same.
2041         (graphite_create_new_guard): Same.
2042         (graphite_create_new_loop): Same.
2043         (build_iv_mapping): Same.
2044         (translate_clast): Same.
2045         (gloog): Same.
2046         (loop_iv_stack_patch_for_consts): Removed.  *
2047         sese.c (iv_stack_entry_is_constant): Removed.
2048         (iv_stack_entry_is_iv): Removed.
2049         (loop_iv_stack_push_iv): Removed.
2050         (loop_iv_stack_insert_constant): Removed.
2051         (loop_iv_stack_pop): Removed.
2052         (loop_iv_stack_get_iv): Removed.
2053         (loop_iv_stack_get_iv_from_name): Removed.
2054         (debug_loop_iv_stack): Removed.
2055         (free_loop_iv_stack): Removed.
2056         (loop_iv_stack_remove_constants): Removed.  *
2057         sese.h (iv_stack_entry_kind): Removed.
2058         (iv_stack_entry_data_union): Removed.
2059         (iv_stack_entry_struct): Removed.
2060         (iv_stack_entry_p): Removed.
2061         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2062         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2063         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2064         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2065         (gbb_loop_at_index): Fix indenting.
2066         (gbb_loop_index): Removed.
2067
2068 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2071         Call clast_name_to_index.
2072
2073 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2076         do not pass params.  Get params from SESE_PARAMS.
2077         (clast_to_gcc_expression): Same.
2078         (clast_to_gcc_expression_red): Same.
2079         (gcc_type_for_clast_eq): Same.
2080         (graphite_translate_clast_equation): Same.
2081         (graphite_create_new_loop): Same.
2082         * sese.c (rename_variables_in_stmt): Fix comment.
2083
2084 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2087         newivs_index.
2088         Call save_clast_name_index.
2089         (translate_clast): Pass newivs_index.
2090         (gloog): Create and free newivs_index.
2091
2092 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2093
2094         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2095         (clast_name_index_p): New type.
2096         (debug_clast_name_index): New.
2097         (debug_clast_name_indexes_1): New.
2098         (debug_clast_name_indexes): New.
2099         (clast_name_index_elt_info): New.
2100         (eq_clast_name_indexes): New.
2101         (clast_name_to_index): New.
2102         (new_clast_name_index): New.
2103         (save_clast_name_index): New.
2104         (init_sese_params_index): New.
2105         (gloog): Call init_sese_params_index.
2106         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2107         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2108         (free_sese): Free SESE_PARAMS_INDEX.
2109         * sese.h (struct sese): Add params_index.
2110         (SESE_PARAMS_INDEX): New.
2111
2112 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2113
2114         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2115         (graphite_create_new_loop): Pass the newivs vector.  Push the
2116         newly created IV to newivs.
2117         (translate_clast): Pass the newivs vector.
2118         (gloog): Create and destroy the newivs vector.
2119
2120 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2123         (graphite_loop_normal_form): Initialize loop->aux with the unique
2124         IV that has been created.
2125
2126 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2127
2128         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2129         scev with parameters in the base part. They where forbidden
2130         exidently.
2131
2132 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2133
2134         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2135         compile options by file names.
2136         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2137         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2138         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2139         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2140
2141 2009-05-08  Li Feng <nemokingdom@gmail.com>
2142
2143         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2144         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2145         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2146         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2147
2148 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2149
2150         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2151         by final cleanup.
2152
2153 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2154
2155         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2156         allow integer constant strides.
2157         (graphite_can_represent_expr): Depend on outermost_loop.
2158         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2159         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2160         build_scops_1): Same.
2161         (scopdet_basic_block_info): Same and insert layered SCoP
2162         detection.
2163         (try_generate_gimple_bb): Cleanup.
2164         (build_scops): Enable data references.
2165
2166         * testsuite/gcc.dg/graphite/id-5.c: New.
2167         * testsuite/gcc.dg/graphite/id-9.c: New.
2168         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2169         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2170
2171 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2172
2173         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2174         that we have not yet built for this SCoP.
2175
2176 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2177
2178         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2179         for complex numbers.
2180
2181 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2182
2183         * graphite-ppl.c: Fix build if cloog is not available.
2184
2185 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2186
2187         * tree-parloops.c (loop_parallel_p): Remove construction of
2188         NITER and REDUCTION_LIST.
2189         (try_get_loop_niter): New.
2190         (try_create_reduction_list): New.
2191         (parallelize_loops): Bypass the failed checkings in autopar
2192         when can_be_parallel in loop structure is set to true.
2193
2194 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2195
2196         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2197         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2198
2199 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2200
2201         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2202         Enable EQ_EXPR and NE_EXPR again.
2203
2204 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2205
2206         * graphite-scop-detection.c (graphite_can_represent_scev):
2207         Add check if scev is affine multivariate.
2208         (harmful_stmt_in_bb): Check if we can represent the conditions.
2209         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2210         harmful_stmt_in_bb.
2211         * testsuite/gcc.dg/graphite/id-7.c: New.
2212
2213 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2214
2215         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2216         Check all bbs in region, not only the bbs that are represented in
2217         GRAPHITE.
2218         (build_poly_scop): Add newline.
2219         * testsuite/gcc.dg/graphite/id-8.c: New.
2220
2221 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2222
2223         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2224         when loop initialize.
2225         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2226         * common.opt: Declare flag_graphite_force_parallel.
2227         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2228         loop parallel.
2229         * graphite-poly.c (apply_poly_transforms): Introduce
2230         flag_graphite_force_parallel.
2231         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2232         * toplev.c (process_options): ditto and replace a not correctly
2233         encoded space.
2234
2235 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2236
2237         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2238         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2239         to the redefinition.
2240         (compute_cloog_iv_types_1): ditto.
2241         (build_iv_mapping): ditto.
2242         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2243         initialization.
2244         (free_gimple_bb): Removed GBB_LOOPS related free part.
2245         (build_bb_loops): Removed.
2246         * sese.h (struct gimple_bb): Removed loops.
2247         (GBB_LOOPS): Removed.
2248         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2249         (gbb_loop_index): ditto.
2250
2251 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2252
2253         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2254         allow non constant strides.
2255         * testsuite/gcc.dg/graphite/scop-20.c: New.
2256
2257 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2258
2259         * graphite-scop-detection.c (dot_all_scops): Fix system call
2260         return value warning.
2261         (dot_scop): Same.
2262
2263 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2266         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2267
2268 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2269
2270         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2271         build_pairwise_constraint, dr_equality_constraints,
2272         build_pairwise_scheduling_equality,
2273         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2274         build_lexicographically_gt_constraint, dependence_polyhedron,
2275         graphite_legal_transform_dr, graphite_legal_transform_bb,
2276         graphite_legal_transform): New.
2277         * graphite-poly.h (graphite_legal_transform): Declared.
2278         * graphite-sese-to-poly.c (build_poly_scop): Call to
2279         graphite_legal_transform is disabled for the moment.
2280
2281 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         * graphite-poly.h (pbb_nb_scattering_dims): New.
2284         (pbb_nb_scattering): Use it.
2285
2286 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2287
2288         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2289         Pointset_Powerset version of ppl_insert_dimensions.
2290         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2291
2292 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2295
2296 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2297
2298         * graphite-poly.h: Fix comment.
2299
2300 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2303
2304 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2305
2306         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2307         statements.
2308
2309 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2310
2311         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2312         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2313         conditions.
2314
2315 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2316
2317         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2318         handle EQ_EXPR and NE_EXPR.
2319
2320 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2321
2322         * graphite-poly.h (poly_dr): Fix comment.
2323
2324 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2325             Tobias Grosser  <grosser@fim.uni-passau.de>
2326
2327         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2328         with a zero dimension polyhedron.
2329         (find_scop_parameters): Move the call to scop_set_nb_params here.
2330         (build_loop_iteration_domains): Store in loop->aux the iteration
2331         domain polyhedron.
2332         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2333         by any loop in scop.
2334         (build_poly_scop): Do not call scop_set_nb_params.
2335
2336 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2337             Tobias Grosser  <grosser@fim.uni-passau.de>
2338
2339         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2340         add_condition_to_domain not GT_EXPR.
2341
2342 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2343
2344         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2345         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2346         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2347         upper_bound_assign to calculate unions.
2348         * testsuite/gcc.dg/graphite/id-6.c: New.
2349
2350 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2351
2352         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2353         handle abnormal edges.
2354
2355 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2356
2357         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2358         (free_poly_bb): Also free poly_drs.
2359         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2360         (poly_dr): Polyhedron to Pointset_Powerset.
2361         (pdr_accessp_nb_subscripts): Same.
2362         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2363         poly_drs.
2364
2365 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2368         names into more meaningful names.
2369
2370 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2371
2372         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2373         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2374
2375 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2378         the reduction_list.
2379         * tree-parloops.c (rewrite_phi_with_iv): New.
2380         (rewrite_all_phi_nodes_with_iv): New.
2381         (canonicalize_loop_ivs): Call them.
2382
2383 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2384
2385         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2386         graphite_find_data_references_in_stmt.
2387         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2388         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2389
2390 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2393
2394 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2397         instead of bb_in_region.
2398         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2399         (build_sese_conditions): Use flag_bb_in_sese.
2400         * sese.c (register_bb_in_sese): Removed.
2401         (new_sese): Remove initialization of SESE_REGION_BBS.
2402         (free_sese): Do not free SESE_REGION_BBS.
2403         * sese.h (struct sese): Remove field region_basic_blocks.
2404         (SESE_REGION_BBS): Removed.
2405         (bb_in_sese_p): Implement in function of bb_in_region.
2406
2407 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2410         loops.
2411
2412 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2413
2414         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2415         and EQ_EXPR.
2416         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2417         (add_condition_to_domain): New.
2418         (add_condition_to_pbb): New.
2419         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2420         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2421
2422 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2423
2424         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2425         ppl_Pointset_Powerset.
2426         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2427         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2428         (pbb_nb_loops): Same.
2429         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2430         add_conditions_to_domain): Same.
2431         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2432         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2433         ppl_const_Polyhedron_t.
2434         (ppl_print_powerset_matrix): New.
2435         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2436         ppl_print_powerset_matrix): New.
2437         (ppl_print_polyhedron_matrix): Updated.
2438
2439 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2442
2443 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2446         (print_iteration_domains, debug_iteration_domain,
2447         debug_iteration_domains): New.
2448         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2449         debug_iteration_domains): Declared.
2450         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2451         indenting.
2452
2453 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2454             Sebastian Pop  <sebastian.pop@amd.com>
2455
2456         * graphite-poly.h (print_iteration_domain): New.
2457         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2458         (build_sese_conditions_1, build_sese_conditions_after,
2459         build_sese_conditions_before): New.
2460         (build_sese_conditions): Rewritten.
2461
2462 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2463             Tobias Grosser  <grosser@fim.uni-passau.de>
2464
2465         Cleanup of code generation liveouts.
2466         * graphite-clast-to-gimple.c (translate_clast): Use a single
2467         rename_map instead of one per translated statement.
2468         Do not use SESE_LIVEOUT_RENAMES.
2469         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2470         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2471         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2472         phi node of a reduction: when a loop contains a reduction used outside
2473         the loop, there should be a scalar close phi node on the exit block.
2474         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2475         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2476         (free_sese): Do not free them.
2477         (sese_build_liveouts_use): Do not use them.
2478         (sese_build_liveouts_bb): Same.
2479         (sese_build_liveouts): Same.
2480         (sese_insert_phis_for_liveouts): Same.
2481         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2482         (defined_in_loop_p): New.
2483         (alive_after_loop): New.
2484         (close_phi_not_yet_inserted_p): New.
2485         (struct alep, alep_p): New.
2486         (add_loop_exit_phis): Remove from the rename_map all the names defined
2487         in the code generated loop.
2488         (insert_loop_close_phis): Traverse the rename_map passed to it.
2489         Don't use SESE_LIVEOUT_RENAMES.
2490         (default_liveout_before_guard): Renamed default_before_guard.
2491         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2492         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2493         (register_sese_liveout_renames): Removed.
2494         (copy_bb_and_scalar_dependences): Do not call it.
2495         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2496         reduction_list.
2497         (SESE_LIVEOUT): Removed.
2498         (SESE_LIVEOUT_RENAMES): Removed.
2499         (SESE_REDUCTION_LIST): Removed.
2500         (sese_build_liveouts): Removed.
2501         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2502         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2503         (insert_guard_phis): Same.
2504         (rename_map_elt): Declare a VEC of them.
2505         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2506         trees not pointers to trees.
2507
2508         Rewrite in canonical close SSA form:
2509         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2510         (limit_scops): Close the scop after the block containing the close phi
2511         nodes.
2512         (canonicalize_loop_closed_ssa): New.
2513         (canonicalize_loop_closed_ssa_form): New.
2514         (build_scops): Call canonicalize_loop_closed_ssa_form.
2515
2516         * graphite-sese-to-poly.c: Fix typos.
2517
2518 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2521         Extended.
2522         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2523         (print_pbb): Add conditions.
2524
2525 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2526             Sebastian Pop  <sebastian.pop@amd.com>
2527
2528         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2529         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2530         (build_scop_bbs_1): New.
2531         (build_scop_bbs): Rewrite.
2532         * sese.h (bb_in_region): New.
2533
2534 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2535
2536         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2537         poly_drs vector.
2538         (print_scop): Style.
2539         * graphite-poly.h (poly_bb): Add drs vector.
2540         (PBB_DRS): Add accessor.
2541         * graphite-sese-to-poly.c (build_poly_dr): New.
2542         (build_pbb_drs, build_scop_drs): New.
2543         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2544
2545 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2546
2547         * tree-ssa-loop.c: Include forgotten toplev.h
2548
2549 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2550
2551         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2552         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2553         * testsuite/gcc.dg/graphite/pr37928.c: Same
2554         * testsuite/gcc.dg/graphite/pr38409.c: Same
2555         * testsuite/gcc.dg/graphite/pr38498.c: Same
2556         * testsuite/gcc.dg/graphite/pr38559.c: Same
2557         * testsuite/gcc.dg/graphite/pr39335.c: Same
2558         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2559         * testsuite/gfortran.dg/graphite/block-2.f: Same
2560         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2561         with -floop-*.
2562
2563 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2564
2565         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2566         build_access_matrix, build_scop_data_accesses): Remove access function
2567         building. (We get a new version soon).
2568         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2569         * sese.h (nb_loops_around_loop_in_sese): Remove.
2570         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2571
2572 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2573             Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * graphite-scop-detection.c (struct scopdet_info): Rename last
2576         field to exit.
2577         (scopdet_basic_block_info, build_scops_1): Don't use
2578         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2579
2580 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2581             Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2584         * sese.c (sese_build_liveouts_use): Renamed from
2585         sese_build_livein_liveouts_use. Remove liveins.
2586         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2587         Call sese_build_liveouts_use.
2588         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2589         Call sese_build_liveouts_bb.
2590         (new_sese, free_sese): Remove liveins.
2591         (sese_add_exit_phis_var): Deleted.
2592         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2593         directly.
2594         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2595
2596         * sese.h (sese): Remove num_ver and livein.
2597         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2598
2599 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2600
2601         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2602
2603 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2604
2605         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2606         (build_scop_scattering): Do not use compare_prefix_loops any more.
2607         (nb_common_loops): New.
2608
2609 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2610
2611         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2612         (register_old_and_new_names): Renamed set_rename.
2613
2614 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2617         of the decl from the previous commit.
2618
2619 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * graphite-scop-detection.c (dot_scop): New.
2622         * graphite-scop-detection.h (dot_scop): Declared.
2623
2624 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2625
2626         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2627
2628 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2631         condition at the end of the loop.
2632         * graphite.c (graphite_initialize, graphite_finalize): Print to
2633         dump_file the compiled function.
2634         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2635         of create_empty_loop_on_edge.
2636         (translate_clast): Update the code generation of loops for the new
2637         shape of loops.
2638         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2639
2640 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         Reverted the patch from 2009-03-19.
2643
2644 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2645
2646         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2647         poly_drs vector.
2648         (print_scop): Style.
2649         * graphite-poly.h (poly_bb): Add drs vector.
2650         (PBB_DRS): Add accessor.
2651         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2652         (build_access_matrix_with_af, build_access_matrix,
2653         build_scop_data_accesses): Delete.
2654         (build_poly_dr): New.
2655         (build_pbb_drs, build_scop_drs): New.
2656         (build_poly_scop): call build_scop_drs.
2657
2658 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2661         once per basic block.
2662
2663 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2664
2665         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2666         (graphite_can_represent_expr): Renamed from loop_affine_expr
2667         and enhanced.
2668         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2669         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2670         (scopdet_basic_block_info): Actually define entry_block.
2671         (stmt_simple_memref_p): Moved here from ...
2672
2673         * tree-data-ref.c (stmt_simple_memref_p): here.
2674         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2675
2676 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2677
2678         * testsuite/gcc.dg/graphite/id-4.c: New.
2679
2680 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2681
2682         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2683         (register_old_and_new_names): Update the content of the map.
2684         When there was already a rename_map_elt in the map at that
2685         location, free it.
2686         (copy_bb_and_scalar_dependences): Do rename_variables after
2687         expand_scalar_variables.
2688         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2689         of the map.  When there was already a rename_map_elt in the
2690         map at that location, free it.
2691         (translate_clast): Pass the rename_map.  Do not initialize and free
2692         a rename_map per stmt_user.
2693         (gloog): Initialize and free one rename_map and pass it to
2694         translate_clast.
2695
2696 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * sese.c (expand_scalar_variables_stmt,
2699         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2700         parameter.
2701         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2702         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2703         the gimple_stmt_iterator of the statement to be expanded.
2704         * graphite-scop-detection.c (is_simple_operand): Do handle
2705         REALPART_EXPR.
2706
2707 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2708
2709         * graphite-scop-detection.c (is_simple_operand): Do not handle
2710         REALPART_EXPR.
2711         * testsuite/gcc.dg/graphite/id-2.c: New.
2712
2713         * graphite-sese-to-poly.c (build_bb_loops,
2714         add_value_to_dim, scan_tree_for_params_right_scev,
2715         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2716         find_params_in_bb, build_loop_iteration_domains,
2717         add_conditions_to_domain): Remove subtract.
2718
2719 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2722         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2723         pbb_loop_at_index -> gbb_loop_at_index.
2724         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2725         (debug_loop_vec): Delete.
2726         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2727         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2728         (PBB_LOOPS): Removed.
2729         (PBB_BLACK_BOX): Insert cast.
2730         (pbb_set_black_box): New setter.
2731         (pbb_loop_at_index, pbb_loop_index): Removed.
2732         (scop_set_region, scop_set_nb_params): New.
2733         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2734         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2735         (build_poly_scop): Use scop_set_nb_params.
2736         * sese.h (gimple_bb): Add LOOPS.
2737         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2738
2739 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2740
2741         Revert previous commit.
2742
2743 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2746         (register_old_and_new_names): Update the content of the map.
2747         When there was already a rename_map_elt in the map at that
2748         location, free it.
2749         (copy_bb_and_scalar_dependences): Do rename_variables after
2750         expand_scalar_variables.
2751         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2752         of the map.  When there was already a rename_map_elt in the
2753         map at that location, free it.
2754         (translate_clast): Pass the rename_map.  Do not initialize and free
2755         a rename_map per stmt_user.
2756         (gloog): Initialize and free one rename_map and pass it to
2757         translate_clast.
2758
2759 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2760
2761         Remove forgotten line in revert.
2762
2763 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2764
2765         Revert previous commit.
2766
2767 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * sese.c (register_old_and_new_names): Update the content
2770         of the map.  When there was already a rename_map_elt in the
2771         map at that location, free it.
2772         (copy_bb_and_scalar_dependences): Do rename_variables after
2773         expand_scalar_variables.
2774         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2775         of the map.  When there was already a rename_map_elt in the
2776         map at that location, free it.
2777         (translate_clast): Pass the rename_map.  Do not initialize and free
2778         a rename_map per stmt_user.
2779         (gloog): Initialize and free one rename_map and pass it to
2780         translate_clast.
2781
2782 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2783
2784         * graphite-clast-to-gimple.c (translate_clast): context_loop
2785         is never NULL.
2786
2787 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2788             Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2791         of the use of ppl_Polyhedron_map_space_dimensions.
2792
2793 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2794             Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2797         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2798         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2799         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2800         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2801         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2802         pbb_nb_params): New.
2803         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2804         nb_loops_around_pbb): Adapt return types.
2805
2806 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2807
2808         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2809         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2810         graphite-scop-detection.o, graphite-poly.o): Add
2811         more headers.
2812
2813 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2814
2815         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2816         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2817         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2818
2819 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2820
2821         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2822         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2823         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2824         * testsuite/gcc.dg/graphite/block-0.c: Same.
2825         * testsuite/gcc.dg/graphite/block-1.c: Same.
2826         * testsuite/gcc.dg/graphite/block-2.c: Same.
2827         * testsuite/gcc.dg/graphite/block-3.c: Same.
2828         * testsuite/gcc.dg/graphite/block-4.c: Same.
2829         * testsuite/gcc.dg/graphite/block-5.c: Same.
2830         * testsuite/gcc.dg/graphite/block-6.c: Same.
2831         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2832         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2833         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2834         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2835         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2836         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2837         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2838         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2839         * opts.c: Remove -floop-block from -O2.
2840         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2841         -floop-strip-mine are used.
2842
2843 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2844             Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2847         dimensions.
2848         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2849         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2850         strip_mine_profitable_p, is_interchange_valid,
2851         graphite_trans_bb_block, graphite_trans_loop_block,
2852         graphite_trans_scop_block): Temporary removed.
2853         (extend_scattering, unify_scattering_dimensions): New.
2854         (print_scattering_function, graphite_read_transforms):
2855         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2856         (graphite_generate_scattering_fns): Removed.
2857         (apply_poly_transforms): Cleanup.
2858         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2859         (schedule_to_scattering): Moved.
2860         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2861         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2862         (pbb_nb_scattering): New.
2863         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2864         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2865         Removed.
2866         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2867         shift_poly.
2868         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2869         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2870         -> PBB_TRANSFORMED_SCATTERING.
2871         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2872         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2873         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2874         (check_poly_representation): Do not return bool.
2875         (graphite_transform_loops): Reformat.
2876         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2877
2878 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2881         debug_pbb_domain, debug_pbb, debug_scop): New.
2882         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2883         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2884
2885 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2886
2887         PR middle-end/39335
2888         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2889         when the type precision of the induction variable should be
2890         larger than the type precision of nit.
2891         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2892         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2893         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2894
2895         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2896         * testsuite/gcc.dg/graphite/pr39335.c: New.
2897
2898 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2899
2900         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2901         SSA_NAMES not struct reduction_info.
2902
2903 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2904
2905         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2906
2907 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2908             Tobias Grosser  <grosser@fim.uni-passau.de>
2909
2910         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2911         (free_sese): Free SESE_REDUCTION_LIST.
2912         * sese.h (struct sese): Add field reduction_list.
2913         (SESE_REDUCTION_LIST): New.
2914         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2915         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2916
2917 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2918             Tobias Grosser  <grosser@fim.uni-passau.de>
2919
2920         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2921         of loop_p.
2922
2923 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2924             Tobias Grosser  <grosser@fim.uni-passau.de>
2925
2926         * tree-parloops.c (struct brli, build_reduction_list_info,
2927         analyze_reduction_list, gather_scalar_reductions): New.
2928         (loop_parallel_p): Build a reduction list containing only
2929         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2930         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2931         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2932         * tree-flow.h (gather_scalar_reductions): Declared.
2933
2934 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2935
2936         PR middle-end/39308
2937         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2938         number_of_iterations_exit from a gcc_assert.
2939
2940 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2941             Jan Sjodin  <jan.sjodin@amd.com>
2942
2943         * output.h (graphite_out_file, graphite_in_file): Declared.
2944         * toplev.c (graphite_out_file, graphite_in_file): New.
2945         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2946         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2947         Don't call schedule_to_scattering.
2948         * common.opt (fgraphite-write, fgraphite-read): New.
2949         * graphite-poly.c: Include output.h.
2950         (print_scattering_function, print_scattering_functions,
2951         debug_scattering_function, debug_scattering_functions,
2952         graphite_write_transforms, graphite_read_transforms,
2953         graphite_generate_scattering_fns): New.
2954         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2955         Call graphite_generate_scattering_fns, graphite_write_transforms,
2956         graphite_read_transforms.
2957         (new_poly_bb): Initialize PBB_SCATTERING.
2958         (free_poly_bb): Free PBB_SCATTERING.
2959         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2960         * graphite-poly.h (struct poly_bb): Add field scattering.
2961         (PBB_SCATTERING): New.
2962         (print_scattering_function, print_scattering_functions,
2963         debug_scattering_function, debug_scattering_functions): Declared.
2964         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2965         GMP values, not integers!
2966         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2967         ppl_read_polyhedron_matrix): New.
2968         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2969         debug_ppl_polyhedron_matrix,
2970         ppl_read_polyhedron_matrix): Declared.
2971         * Makefile.in (graphite-poly.o): Depends on output.h.
2972
2973 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2974             Tobias Grosser  <grosser@fim.uni-passau.de>
2975
2976         Revert this change:
2977         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2978         scalar evolutions in the scop_entry->loop_father.
2979
2980 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2981             Tobias Grosser  <grosser@fim.uni-passau.de>
2982
2983         * graphite.h (ref_nb_loops): Remove declaration.
2984         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2985         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2986         debug_gbb): Moved to sese.h.
2987         * sese.h: As said.
2988
2989 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2990             Tobias Grosser  <grosser@fim.uni-passau.de>
2991
2992         * graphite-data-ref.[ch]: Disable.
2993
2994 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2995             Tobias Grosser  <grosser@fim.uni-passau.de>
2996
2997         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2998         scalar evolutions in the scop_entry->loop_father.
2999
3000 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3001
3002         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3003         (graphite_cannot_represent_loop_niter): Renamed
3004         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3005         (limit_scops): build_sese_loop_nests does not return a bool.
3006         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3007         * sese.c (nb_reductions_in_loop): ... from here.
3008         (graphite_loop_normal_form): ... from here.
3009         (sese_record_loop): Does not fail, so does not return a bool.
3010         (build_sese_loop_nests): Same.
3011         * sese.h (build_sese_loop_nests): Update declaration.
3012         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3013         (build_graphite_loop_normal_form): New.
3014         (gloog): Call build_graphite_loop_normal_form.
3015         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3016         build_sese_loop_nests.
3017
3018         * testsuite/gcc.dg/graphite/id-1.c: New.
3019
3020 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3021             Tobias Grosser  <grosser@fim.uni-passau.de>
3022
3023         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3024         The SCoP detection fix is sufficient.
3025
3026 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3027
3028         PR tree-optimization/39260
3029         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3030         the basic block contains a condition with a real type.
3031         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3032
3033         * gcc.dg/graphite/pr39260.c: New.
3034
3035 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         * graphite-poly.c: Inlcude params.h.
3038         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3039         the size of a tile.
3040         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3041         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3042
3043 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3044             Tobias Grosser  <grosser@fim.uni-passau.de>
3045
3046         * graphite-scop-detection.c (dot_all_scops_1,
3047         dot_all_scops): Moved here.
3048         * graphite-scop-detection.h (dot_all_scops): Declared here.
3049         * graphite.c (graphite_initialize, graphite_finalize): New.
3050         (graphite_transform_loops): Cleaned up.
3051         * sese.c (debug_oldivs): Moved here.
3052         * graphite-poly.c (graphite_apply_transformations): Renamed
3053         apply_poly_transforms.
3054         (debug_loop_vec): Moved here.
3055         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3056         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3057         find_scop_parameters, build_scop_iteration_domain,
3058         add_conditions_to_constraints, build_scop_canonical_schedules,
3059         build_scop_data_accesses): Now static.
3060         (build_poly_scop, check_poly_representation): New.
3061
3062 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3063
3064         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3065         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3066         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3067         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3068         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3069         scan_tree_for_params, struct irp_data, dx_record_params,
3070         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3071         build_loop_iteration_domains, add_conditions_to_domain,
3072         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3073         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3074         build_sese_conditions, add_conditions_to_constraints,
3075         build_scop_iteration_domain, build_access_matrix_with_af,
3076         build_access_matrix,
3077         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3078
3079         * graphite-sese-to-poly.c: New.
3080         * graphite-sese-to-poly.h: New.
3081
3082         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3083
3084 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3085
3086         * graphite.c: Split graphite code generation to a new file.
3087         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3088         max_precision_type, clast_to_gcc_expression_red,
3089         clast_to_gcc_expression, gcc_type_for_clast_expr,
3090         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3091         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3092         graphite_create_new_guard, clast_get_body_of_loop,
3093         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3094         graphite_create_new_loop, build_iv_mapping, copy_renames,
3095         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3096         compute_cloog_iv_types, free_scattering, save_var_name,
3097         initialize_cloog_names, build_scop_context, build_cloog_prog,
3098         set_cloog_options, debug_clast_stmt, scop_to_clast,
3099         print_generated_program, debug_generated_program,
3100         gloog): Moved to graphite-clast-to-gimple.c.
3101
3102         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3103
3104         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3105         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3106         loop_iv_stack_pop, loop_iv_stack_get_iv,
3107         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3108         free_loop_iv_stack, loop_iv_stack_remove_constants,
3109         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3110         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3111         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3112         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3113         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3114         get_vdef_before_sese, sese_adjust_vphi,
3115         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3116         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3117         is_iv, expand_scalar_variables_ssa_name,
3118         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3119         expand_scalar_variables, rename_variables, remove_condition,
3120         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3121         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3122         default_liveout_before_guard, add_guard_exit_phis,
3123         insert_guard_phis, register_old_and_new_names,
3124         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3125         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3126         if_region_set_false_region, create_if_region_on_edge,
3127         move_sese_in_condition): Moved to sese.c.
3128
3129         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3130         if_region_exit, if_region_get_condition_block,
3131         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3132         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3133         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3134         ivtype_map_elt, new_ivtype_map_elt,
3135         recompute_all_dominators): Moved to sese.h.
3136
3137         * graphite-clast-to-gimple.c: New.
3138         * graphite-clast-to-gimple.h: New.
3139         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3140         * sese.c: Modified as said above.
3141         * sese.h: Same.
3142
3143 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3144
3145         * graphite.c: Split scop detection to a new file.
3146         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3147         move_sd_regions, loop_affine_expr, exclude_component_ref,
3148         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3149         graphite_cannot_represent_loop_niter, struct scopdet_info,
3150         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3151         find_single_entry_edge, find_single_exit_edge,
3152         create_single_entry_edge, sd_region_without_exit,
3153         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3154         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3155         Moved to graphite-scop-detection.c.
3156
3157         * graphite-scop-detection.c: New.
3158         * graphite-scop-detection.h: New.
3159         * Makefile.in: Add new rule for graphite-scop-detection.o.
3160
3161         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3162         tree-scalar-evolution.h.
3163         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3164         build_sese_loop_nests): Moved here from graphite.c.
3165         (param_index): Renamed parameter_index_in_region.
3166
3167 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3168             Sebastian Pop  <sebastian.pop@amd.com>
3169
3170         * gcc.dg/graphite/block-0.c: Expected to fail now.
3171         * gcc.dg/graphite/block-1.c: Same.
3172         * gcc.dg/graphite/block-5.c: Same.
3173         * gcc.dg/graphite/block-6.c: Same.
3174
3175 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3176             Sebastian Pop  <sebastian.pop@amd.com>
3177
3178         * graphite.h: Separate from graphite_bb_p the polyhedral
3179         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3180         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3181         graphite-data-ref.h.
3182         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3183         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3184         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3185         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3186         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3187         scop_nb_params): Moved to graphite-poly.h.
3188         * graphite-data-ref.c: Same.
3189         * graphite-data-ref.h: New.
3190         * graphite.c: Same.
3191         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3192         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3193         is_interchange_valid, graphite_trans_bb_block,
3194         graphite_trans_loop_block, scop_max_loop_depth,
3195         graphite_trans_scop_block, graphite_apply_transformations,
3196         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3197         graphite-poly.c.
3198         * graphite-poly.h: New.
3199         * graphite-poly.c: New.
3200         * Makefile.in (OBJS-common): Add graphite-poly.o.
3201         (graphite-poly.o): New rule.
3202         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3203         (DR_SCOP): Removed.
3204
3205 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3206             Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * graphite.c: Replace gb -> gbb.
3209         * graphite.h: Same.
3210         * graphite-data-ref.c: Same.
3211
3212 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3213             Tobias Grosser  <grosser@fim.uni-passau.de>
3214
3215         * Makefile.in (OBJS-commmon): Add sese.o.
3216         (sese.o): New.
3217         (graphite.o): Add sese.h.
3218         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3219         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3220         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3221         Move to sese.
3222         (block_before_scop): Add missing return.
3223         (new_scop, free_scop): Remove SESE data structures.
3224         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3225         find_scop_parameters, build_loop_iteration_domains,
3226         add_conditions_to_domain, register_scop_liveout_renames,
3227         copy_bb_and_scalar_dependences): Scop -> SESE.
3228
3229         (add_conditions_to_domain): SCoP -> SESE and remove check
3230         (scop_contains_non_iv_scalar_phi_nodes): New.
3231         (build_scop_conditions_1, build_scop_conditions): Remove check for
3232         non iv scalar phi nodes.
3233         (print_scop_statistics): New.
3234         (graphite_transform_loops): Cleanup.
3235
3236         * graphite.h: Move to sese & cleanup.
3237         * sese.c: New.
3238         * sese.h: New.
3239
3240 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3241             Tobias Grosser  <grosser@fim.uni-passau.de>
3242
3243         * graphite.c (build_scop_conditions_1): Conditions are only
3244         at the end of a basic block.
3245
3246 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3247             Tobias Grosser  <grosser@fim.uni-passau>
3248
3249         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3250         field.
3251         (GBB_ALPHA): Removed.
3252
3253 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3254             Tobias Grosser  <grosser@fim.uni-passau.de>
3255
3256         * graphite-data-ref.c (graphite_test_dependence): Don't use
3257         GBB_DYNAMIC_SCHEDULE.
3258         * graphite.c (new_graphite_bb): Same.
3259         (free_graphite_bb): Same.
3260         (build_scop_dynamic_schedules): Removed.
3261         (graphite_transform_loops): Don't call it.
3262         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3263         (GBB_DYNAMIC_SCHEDULE): Removed.
3264
3265 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3266             Tobias Grosser  <grosser@fim.uni-passau.de>
3267
3268         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3269         (print_graphite_bb): Same.
3270         (build_cloog_prog): Same.
3271
3272 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3273             Tobias Grosser  <grosser@fim.uni-passau.de>
3274
3275         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3276
3277 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3278             Tobias Grosser  <grosser@fim.uni-passau.de>
3279
3280         * graphite.c (build_scop_context): Don't use CloogMatrix.
3281         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3282         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3283
3284 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3285             Tobias Grosser  <grosser@fim.uni-passau.de>
3286
3287         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3288         liveout_renames, add_params fields...
3289         (struct sese): ... here.
3290         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3291         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3292
3293 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3294             Tobias Grosser  <grosser@fim.uni-passau.de>
3295
3296         * graphite.c (print_scop): Do not print the CLooG program.
3297         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3298         build_cloog_prog, gloog): Don't use SCOP_PROG.
3299         (find_transform): Renamed scop_to_clast.
3300         (print_generated_program, debug_generated_program): New.
3301         (graphite_transform_loops): Adapt to new interface.
3302         * graphite.h (struct scop): Remove program field.
3303         (SCOP_PROG): Removed.
3304         (print_generated_program, debug_generated_program): Declared.
3305
3306 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3307
3308         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3309         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3310         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3311         free_graphite_bb, build_scop_canonical_schedules,
3312         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3313         schedules are now represented using a ppl_Linear_Expression_t.
3314         * graphite.h (struct graphite_bb): Same.
3315         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3316         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3317
3318 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * graphite.c: Free local memory.
3321         * graphite-ppl.c: Same.
3322
3323 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3326         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3327         swap_constraint_variables, scale_constraint_variable): Removed.
3328         (graphite_trans_bb_strip_mine): Remove pong.
3329         * graphite-ppl.c: Include missing header files.
3330         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3331         * graphite-ppl.h (ppl_strip_loop): Declared.
3332         * Makefile.in (graphite-ppl.o): Adjust dependences.
3333
3334 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3335
3336         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3337         (build_scop_iteration_domain): Same.
3338
3339 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3340
3341         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3342         ping pong.
3343         (add_value_to_dim, scan_tree_for_params_right_scev,
3344         scan_tree_for_params_int): New.
3345         * graphite-ppl.c (oppose_constraint): New.
3346         (insert_constraint_into_matrix): Implement missing cases.
3347         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3348
3349 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3352         use ppl_move_dimension.
3353
3354 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3355
3356         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3357         * graphite.c: Same.
3358         * graphite.h: Same.
3359         * graphite-ppl.c: Same.
3360         * graphite-ppl.h: Same.
3361
3362 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         Revert last 3 commits.
3365
3366 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3367
3368         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3369         ping pong.
3370         (add_value_to_dim, scan_tree_for_params_right_scev,
3371         scan_tree_for_params_int): New.
3372         * graphite-ppl.c (oppose_constraint): New.
3373         (insert_constraint_into_matrix): Implement missing cases.
3374         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3375
3376 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3379
3380 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3381             Tobias Grosser  <grosser@fim.uni-passau.de>
3382
3383         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3384         use ppl_move_dimension.
3385         * graphite-ppl.c (ppl_move_dimension): New.
3386         * graphite-ppl.h (ppl_move_dimension): Declared.
3387
3388 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3389
3390         * graphite.c: Do not include cloog/cloog.h.
3391         (print_graphite_bb): Remove ping pong, call PPL print function.
3392
3393 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3394
3395         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3396         (graphite.o): Add dependence on graphite-ppl.h.
3397         (graphite-ppl.o): New.
3398         (graphite-data-ref.c): Ping pong between PPL data structures
3399         and matrices.
3400         * graphite-ppl.c: New.
3401         * graphite-ppl.h: New.
3402         * graphite.c: Include graphite-ppl.h.
3403         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3404         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3405         Ping pong between PPL data structures and matrices.
3406         (new_graphite_bb): Create a PPL constraint system.
3407         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3408         (build_loop_iteration_domains): Use PPL functions.
3409         * graphite.h: Include graphite-ppl.h.  Fix comments.
3410         (graphite_bb): Use a ppl_Constraint_System_t instead of
3411         CloogMatrix for representing the domain.
3412         (scop): Remove static_schedule.
3413         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3414
3415 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite.c: Fix some comments.
3418
3419 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3420
3421         PR middle-end/38953
3422         * graphite.c (if_region_set_false_region): After moving a region
3423         in the false branch of a condition, remove the empty dummy
3424         basic block.
3425         (gloog): Remove wrong fix for PR38953.
3426
3427 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3428
3429         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3430         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3431         register_bb_in_sese, new_sese, free_sese): Moved.
3432         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3433         outermost_loop_in_scop, build_scop_iteration_domain,
3434         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3435         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3436         Use loop_in_sese_p instead of loop_in_scop_p.
3437         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3438         (free_scop): Do not free SCOP_BBS_B.
3439         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3440         ref_nb_loops): Moved here...
3441         * graphite.h (ref_nb_loops): ... from here.
3442         (struct scop): Remove bbs_b bitmap.
3443         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3444         * testsuite/gcc.dg/graphite/scop-19.c: New
3445
3446 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3447
3448         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3449         detection.
3450
3451 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3452
3453         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3454         eq_loop_to_cloog_loop): Remove.
3455         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3456         * graphite.h (struct scop): Remove loop2cloog_loop.
3457         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3458
3459 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3460
3461         * opts.c (decode_options): Only add graphite options to O2
3462         if we compile with graphite enabled.
3463
3464 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         * Merge from mainline (r143163:143684).
3467
3468 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3469
3470         * graphite.c (debug_value): Removed.
3471         * graphite.h (debug_value): Removed.
3472
3473 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3476         after graphite: pass_copy_prop does not maintain a proper loop closed
3477         SSA form.  pass_copy_prop should be fixed.
3478
3479 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3480
3481         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3482
3483 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3486         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3487         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3488         changed the CFG.
3489
3490 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3491
3492         * graphite.c (gloog): Return true when code gen succeeded.
3493         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3494         the code of the function did not changed.  After cleanup_tree_cfg
3495         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3496         form.
3497
3498 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3501         gimple_call_lhs is NULL.
3502
3503 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3504             Tobias Grosser  <tobi.grosser@amd.com>
3505
3506         * graphite.c (graphite_trans_scop_block): Do not block single
3507         nested loops.
3508
3509 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3510             Tobias Grosser  <tobi.grosser@amd.com>
3511
3512         * graphite.c (build_scop_canonical_schedules): Start schedules at
3513         zero.
3514
3515 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3516             Tobias Grosser  <tobi.grosser@amd.com>
3517
3518         * graphite.c (compare_prefix_loops): New.
3519         (build_scop_canonical_schedules): Rewritten.
3520         (graphite_transform_loops): Move build_scop_canonical_schedules
3521         after build_scop_iteration_domain.
3522
3523 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3524             Tobias Grosser  <tobi.grosser@amd.com>
3525
3526         * graphite.c (add_conditions_to_domain): Add the loops to
3527         the dimension of the iteration domain.  Do copy the domain
3528         only when it exists.
3529         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3530         (add_conditions_to_constraints): New.
3531         (can_generate_code_stmt, can_generate_code): Removed.
3532         (gloog): Do not call can_generate_code.
3533         (graphite_transform_loops): Call add_conditions_to_constraints
3534         after building the iteration domain.
3535
3536 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3537             Tobias Grosser  <tobi.grosser@amd.com>
3538             Jan Sjodin  <jan.sjodin@amd.com>
3539
3540         * graphite.c (scan_tree_for_params): On substractions negate
3541         all the coefficients of the term.
3542         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3543         of more than two operands.
3544         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3545         (get_vdef_before_scop): Handle also the case of default definitions.
3546
3547 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3548
3549         PR middle-end/38431
3550         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3551         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3552         (gloog): Do not call cleanup_tree_cfg.
3553         (graphite_transform_loops): Call cleanup_tree_cfg after all
3554         scops have been code generated.
3555
3556 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3557
3558         * passes.c (init_optimization_passes): Schedule after
3559         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3560
3561 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3562
3563         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3564         Fix comment.
3565         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3566         Set the type of an expression to the type of its assign statement.
3567         (expand_scalar_variables_expr):  Do not pass loop_p.
3568         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3569         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3570         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3571
3572 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3573
3574         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3575         an expression to the gimple_expr_type of its assign statement.
3576         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3577         or tcc_declaration.
3578
3579 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3580
3581         PR tree-optimization/38786
3582         * testsuite/gcc.dg/graphite/pr38786.c: New.
3583         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3584         the SSA_NAME case of expand_scalar_variables_expr.
3585         (expand_scalar_variables_expr): Also gather the scalar computation
3586         used to index the memory access.
3587         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3588         the gimple_stmt_iterator where it inserts new code.
3589
3590 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3591
3592         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3593
3594 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3595
3596         * opts.c (decode_options): Enable flag_graphite_identity and
3597         flag_loop_block in -O2 and above.
3598
3599 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3600
3601         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3602         Fix merge problem: replace with the file from trunk.
3603
3604 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3605
3606         * Merge from mainline (r141727:143163).
3607
3608 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3609             Jan Sjodin  <jan.sjodin@amd.com>
3610
3611         PR tree-optimization/38559
3612         * testsuite/gcc.dg/graphite/pr38559.c: New.
3613
3614         * graphite.c (debug_value, copy_constraint,
3615         swap_constraint_variables, scale_constraint_variable, ): New.
3616         (get_lower_bound, get_upper_bound): Removed.
3617         (graphite_trans_bb_strip_mine): Clean up this code that works
3618         only for constant number of iterations.  Fully copy upper and
3619         lower bound constraints, not only the constant part of them.
3620         * graphite.h (debug_value): Declared.
3621
3622 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3623
3624         PR tree-optimization/38492
3625         PR tree-optimization/38498
3626         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3627         * tree-chrec.h (scev_is_linear_expression): Declared.
3628         * graphite.c (graphite_cannot_represent_loop_niter): New.
3629         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3630         (graphite_loop_normal_form): Use gcc_assert.
3631         (scan_tree_for_params): Use CASE_CONVERT.
3632         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3633         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3634         Use gcc_assert.  Discard scops that contain unhandled cases.
3635         (build_scop_conditions): Return a boolean status for unhandled cases.
3636         (strip_mine_profitable_p): Print the loop number, not its depth.
3637         (is_interchange_valid): Pass the depth of the loop nest, don't
3638         recompute it wrongly.
3639         (graphite_trans_bb_block): Same.
3640         (graphite_trans_bb_block): Print tentative of loop blocking.
3641         (graphite_trans_scop_block): Do not print that the loop has been
3642         blocked.
3643         (graphite_transform_loops): Do not handle scops that contain condition
3644         scalar phi nodes.
3645
3646         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3647         in trunk.
3648         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3649         * testsuite/gcc.dg/graphite/block-1.c: Same.
3650         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3651         blocking.
3652         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3653         * testsuite/gcc.dg/graphite/block-3.c: New.
3654         * testsuite/gcc.dg/graphite/pr38498.c: New.
3655
3656 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3657
3658         PR tree-optimization/38510
3659         * gcc.dg/graphite/pr38510.c: New.
3660         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3661           (translate_clast): Call recompute_all_dominators before
3662           graphite_verify.
3663           (gloog): Call recompute_all_dominators before graphite_verify.
3664
3665 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3666
3667         PR tree-optimization/38492
3668         * graphite.c (rename_map_elt, debug_rename_elt,
3669         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3670         rename_map_elt_info, eq_rename_map_elts,
3671         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3672         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3673         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3674         (sese_build_livein_liveouts): New.
3675         (new_sese, free_sese): New.
3676         (new_scop): Call new_sese.
3677         (free_scop): Call free_sese.
3678         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3679         (register_old_new_names): Renamed register_old_and_new_names.
3680         (register_scop_liveout_renames, add_loop_exit_phis,
3681         insert_loop_close_phis, struct igp,
3682         default_liveout_before_guard, add_guard_exit_phis,
3683         insert_guard_phis, copy_renames): New.
3684         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3685         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3686         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3687         (scop_adjust_phis_for_liveouts): New.
3688         (gloog): Call scop_adjust_phis_for_liveouts.
3689
3690         * graphite.h (struct sese): Documented.  Added fields liveout,
3691         num_ver and livein.
3692         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3693         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3694         (struct scop): Added field liveout_renames.
3695         (SCOP_LIVEOUT_RENAMES): New.
3696
3697 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699         PR tree-optimization/38409
3700         * gcc.dg/graphite/pr38409.c: New.
3701         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3702
3703 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3704
3705         * graphite.c (gcc_type_for_cloog_iv): By default return
3706         integer_type_node.
3707         (graphite_create_new_loop): Don't fold_convert the already
3708         fold_convert-ed expression.
3709
3710 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3711
3712         PR tree-optimization/38446
3713         * gcc.dg/graphite/pr38446.c: New.
3714         * graphite.c (register_bb_in_sese): New.
3715         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3716         looking at the bbs in the region.
3717         * graphite.h (sese): Add region_basic_blocks pointer set to
3718         structure and initialize at the time of defining new scop.
3719
3720 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3721
3722         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3723         (find_params_in_bb): Do not free data refs.
3724         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3725
3726 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3729         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3730         * testsuite/gcc.dg/graphite/block-5.c: New.
3731         * testsuite/gcc.dg/graphite/block-6.c: New.
3732         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3733         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3734         * testsuite/gcc.dg/graphite/block-2.c: Same.
3735
3736         * graphite.c (struct ivtype_map_elt): New.
3737         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3738         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3739         gcc_type_for_cloog_iv): New.
3740         (loop_iv_stack_patch_for_consts): Use the type of the induction
3741         variable from the original loop, except for the automatically
3742         generated loops, i.e., in the case of a strip-mined loop, in
3743         which case there is no original loop: in that case just use
3744         integer_type_node.
3745         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3746         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3747         (clast_name_to_gcc): Accept params to be NULL.
3748         (clast_to_gcc_expression): Take an extra parameter for the type.
3749         Convert to that type all the expressions built by this function.
3750         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3751         (graphite_translate_clast_equation): Compute the type of the
3752         clast_equation before translating its LHS and RHS.
3753         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3754         (graphite_create_new_loop): Compute the type of the induction
3755         variable before translating the lower and upper bounds and before
3756         creating the induction variable.
3757         (rename_variables_from_edge, rename_phis_end_scop): New.
3758         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3759         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3760         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3761         compute_cloog_iv_types): New.
3762         (gloog): Call compute_cloog_iv_types before starting the
3763         translation of the clast.
3764
3765         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3766         (GBB_CLOOG_IV_TYPES): New.
3767         (debug_ivtype_map): Declared.
3768         (oldiv_for_loop): New.
3769
3770 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3771
3772         PR middle-end/38459
3773         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3774         (param_index): Assert if parameter is not know after parameter
3775         detection.
3776         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3777         (find_scop_parameters): Mark, that we have finished parameter
3778         detection.
3779         (graphite_transform_loops): Move condition detection before parameter
3780         detection.
3781         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3782         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3783
3784 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3785
3786         * graphite.c (graphite_transform_loops): Always call find_transform ()
3787         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3788         generate code.
3789
3790 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3791
3792         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3793         (print_scop): Ditto.
3794
3795 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3796
3797         PR middle-end/38084
3798         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3799         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3800         regions more than once.
3801
3802 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3805         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3806         when not needed.
3807
3808 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3809
3810         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3811         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3812         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3813         (max_precision_type): New.
3814         (value_clast): Removed.
3815         (clast_to_gcc_expression): Be more careful to types of expressions.
3816         Use max_precision_type and update use of gmp_cst_to_tree.
3817         (graphite_translate_clast_equation): Use max_precision_type.
3818         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3819         use the type of the condition.
3820         (graphite_create_new_loop): Do not use integer_type_node, use the
3821         max_precision_type of lb and ub.
3822
3823 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * graphite.c (build_scops_1): Initialize open_scop.exit
3826         and sinfo.last.
3827
3828 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * testsuite/gcc.dg/graphite/pr38084.c: New.
3831         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3832         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3833         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3834         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3835         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3836
3837 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3838             Jan Sjodin  <jan.sjodin@amd.com>
3839             Harsha Jagasia  <harsha.jagasia@amd.com>
3840
3841         PR middle-end/37852
3842         PR middle-end/37883
3843         PR middle-end/37928
3844         PR middle-end/37980
3845         PR middle-end/38038
3846         PR middle-end/38039
3847         PR middle-end/38073
3848         PR middle-end/38083
3849         PR middle-end/38125
3850
3851         * testsuite/gcc.dg/graphite/pr38073.c: New.
3852         * testsuite/gcc.dg/graphite/pr37928.c: New.
3853         * testsuite/gcc.dg/graphite/pr37883.c: New.
3854         * testsuite/gcc.dg/graphite/pr38125.c: New.
3855         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3856         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3857         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3858
3859         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3860         the number of detected scops.  Copy exact same test for loop
3861         blocking...
3862         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3863         loops to be blocked as reductions are not handled.
3864         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3865
3866         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3867         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3868         ...here.
3869         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3870         * Makefile.in (graphite.o): Depend on value-prof.h.
3871         (graphite.o-warn): Removed -Wno-error.
3872         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3873         to be a NULL pointer.  Call update_stmt.  Return the newly created
3874         cannonical induction variable.
3875
3876         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3877
3878         * graphite.c: Reimplement the code generation from graphite to gimple.
3879         Include value-prof.h.
3880         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3881         (get_old_iv_from_ssa_name): Removed.
3882         (graphite_stmt_p): New.
3883         (new_graphite_bb): Test for useful statements before building a
3884         graphite statement for the basic block.
3885         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3886         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3887         reason.
3888         (recompute_all_dominators, graphite_verify,
3889         nb_reductions_in_loop, graphite_loop_normal_form): New.
3890         (scop_record_loop): Call graphite_loop_normal_form.
3891         (build_scop_loop_nests): Iterate over all the blocks of the
3892         function instead of relying on the incomplete information from
3893         SCOP_BBS.  Return the success of the operation.
3894         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3895         (add_bb_domains): Removed.
3896         (build_loop_iteration_domains): Don't call add_bb_domains.
3897         Add the iteration domain only to the basic blocks that have been
3898         translated to graphite.
3899         (build_scop_conditions_1): Add constraints only if the basic
3900         block have been translated to graphite.
3901         (build_scop_data_accesses): Completely disabled until data
3902         dependence is correctly implemented.
3903         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3904         (remove_all_edges_1, remove_all_edges): Removed.
3905         (get_new_name_from_old_name): New.
3906         (graphite_rename_variables_in_stmt): Renamed
3907         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3908         Use replace_exp and update_stmt.
3909         (is_old_iv): Renamed is_iv.
3910         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3911         Use replace_exp and update_stmt.
3912         (expand_scalar_variables_expr): Same.  Use the map to get the
3913         new names for the renaming of induction variables and for the
3914         renaming of variables after a basic block has been copied.
3915         (expand_scalar_variables): Same.
3916         (graphite_rename_variables): Renamed rename_variables.
3917         (move_phi_nodes): Removed.
3918         (get_false_edge_from_guard_bb): New.
3919         (build_iv_mapping): Do not insert the induction variable of a
3920         loop in the renaming iv map if the basic block does not belong
3921         to that loop.
3922         (register_old_new_names, graphite_copy_stmts_from_block,
3923         copy_bb_and_scalar_dependences): New.
3924         (translate_clast): Heavily reimplemented: copy basic blocks,
3925         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3926         At each translation step call graphite_verify ensuring the
3927         consistency of the SSA, loops and dominators information.
3928         (collect_virtual_phis, find_vdef_for_var_in_bb,
3929         find_vdef_for_var_1, find_vdef_for_var,
3930         patch_phis_for_virtual_defs): Removed huge hack.