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