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2009-10-20 Sebastian Pop <sebastian.pop@amd.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
4         (pdr_add_alias_set): Same.
5         (build_poly_dr): Same.
6         (build_alias_set_optimal_p): Same.
7         (build_base_obj_set_for_drs): Same.  Do not store the result of
8         graphds_dfs.
9
10 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
11
12         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
13         all_components_are_cliques to 1.
14
15 2009-10-20  Li Feng  <nemokingdom@gmail.com>
16
17         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
18         the new structure.
19         (pdr_add_alias_set): Update retrieving alias_set_num.
20         (build_poly_dr): Update retrieving dr_base_object_set.
21         (partition_drs_to_sets): Remove.
22         (build_alias_set_optimal_p): New.
23         (build_alias_set_for_drs): Rename.
24         (build_scop_drs): Update.
25         * graphite-sese-to-poly.h (struct base_alias_pair): New.
26         (ALIAS_SET_INDEX): Remove.
27         (BASE_OBJECT_SET_INDEX): Remove.
28
29 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
30
31         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
32
33 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
34
35         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
36         loop upper bounds for 1-element arrays at end of structures.
37         * tree-flow.h (array_at_struct_end_p): Declared.
38         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
39
40 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
41
42         * g++.dg/graphite/pr41305.C: New.
43
44 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
45
46         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
47         construction of parameter constraints from loop iteration analysis.
48         * gcc.dg/graphite/run-id-2.c: New test.
49
50 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
51
52         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
53         and new_cstr.
54
55 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
56
57         * graphite-dependences.c (dependence_polyhedron_1): Remove
58         unused gdim dimensions from the DDR polyhedron.
59
60 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
61
62         * graphite-dependences.c (pddr_transformed_scattering): New.
63         (dot_original_deps_stmt_1): New.
64         (dot_transformed_deps_stmt_1): New.
65         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
66         dot_transformed_deps_stmt_1.
67         (dot_original_deps): New.
68         (dot_transformed_deps): New.
69         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
70
71 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
72
73         * graphite-dependences.c (reduction_dr_1): Remove wrong
74         assert: reduction BBs can have multiple reduction writes
75         to memory.  interchange-3.f90 is an example.
76
77 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
78
79         * gfortran.dg/graphite/interchange-3.f90: New.
80
81 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
82
83         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
84
85 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
86
87         * graphite-dependences.c (dependence_polyhedron_1): Add the
88         context to the dependence polyhedron.
89
90 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
91
92         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
93         PBB_PDR_DUPLICATES_REMOVED.
94         (new_poly_bb): Same.
95
96 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
97
98         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
99         SCOP_CONTEXT.
100         (build_loop_iteration_domains): Extract bounds on parameters
101         based on the data size.
102         (build_scop_context): Do not initialize SCOP_CONTEXT;
103         add new constraints.
104
105 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
106
107         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
108         * graphite-ppl.h (graphite-ppl.h): Declared.
109
110 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
111
112         * graphite-ppl.c (ppl_print_linear_expr): New.
113         (debug_ppl_linear_expr): New.
114         * graphite-ppl.h (ppl_print_linear_expr): Declared.
115         (debug_ppl_linear_expr): Declared.
116
117 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
118
119         * graphite-interchange.c: Fix comments.
120         * gcc.dg/graphite/block-1.c: Fix comments.
121
122 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
123
124         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
125         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
126
127 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
128
129         Reapply the patch from Alexander Monakov that disappeared during
130         the last merges from trunk.
131
132         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
133
134         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
135         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
136
137 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
138
139         * graphite-interchange.c (memory_stride_in_loop): The depth
140         argument corresponds to a dynamic time dimension, so use
141         psct_dynamic_dim to refer to the transformed scattering dimension.
142
143 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
144
145         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
146
147 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
148
149         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
150         root of the LST.
151         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
152         the root of the LST.
153         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
154         fake loop.
155         (print_lst): Print the root of LST in a different format.
156         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
157
158 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
159
160         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
161
162 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
163
164         * doc/passes.texi: Document the Graphite infrastructure.
165
166 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
167
168         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
169         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
170         and check the SSA representation.
171
172         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
173
174 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
175
176         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
177
178 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
179
180         * gcc.dg/graphite/interchange-11.c: New.
181
182 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
183
184         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
185
186 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
187
188         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
189         Add -fno-loop-strip-mine and -fno-loop-interchange.
190         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
191         -fno-loop-strip-mine.
192         * gfortran.dg/graphite/graphite.exp: Same.
193
194 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
195
196         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
197         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
198         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
199         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
200         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
201         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
202         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
203         DEFAULT_FLAGS_GRAPHITE_SCOP.
204         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
205         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
206
207 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
208
209         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
210
211 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
212             Sebastian Pop  <sebastian.pop@amd.com>
213
214         * graphite-interchange.c (build_linearized_memory_access): Pass an
215         offset as parameter.
216         (memory_stride_in_loop): Include transform scattering in the
217         access functions to be able to querry the strides in the
218         transformed loops.
219         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
220         not the psct_iterator_dim.
221
222 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
223
224         * graphite-blocking.c (pbb_do_strip_mine): Removed.
225         (lst_do_strip_mine_loop): New.
226         (lst_do_strip_mine): New.
227         (scop_do_strip_mine): Call lst_do_strip_mine.
228         * graphite-poly.h (lst_add_loop_under_loop): New.
229         (lst_find_first_pbb): New.
230
231 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
232
233         * graphite-poly.c (loop_to_lst): Fix LST creation.
234
235 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
236
237         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
238         sizeof(unsigned long) to make it run on 32bit systems.
239
240 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
241
242         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
243         SEGFAULT on 32bit.
244
245 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
246
247         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
248         Comment.
249         (write_alias_graph_to_ascii_dot): New.
250         (write_alias_graph_to_ascii_ecc): Ditto.
251         (partition_drs_to_sets): Add testing of optimality of current method
252         which assigns alias numbers according to DFS Comopnent number.  used
253         as heuristic for the upcoming ECC algorithm.
254         (build_scop_drs): Write to file also with the ecc and dot format.
255
256 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
257
258         * gfortran.dg/graphite/interchange-1.f: XFail.
259
260 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
261
262         * graphite.c (graphite_initialize): Do not handle functions with
263         more than 100 basic blocks.
264
265 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
266
267         * graphite-blocking.c (pbb_do_strip_mine): Use
268         PARAM_LOOP_BLOCK_TILE_SIZE.
269
270 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
271
272         * graphite-poly.c (dot_lst_1): New.
273         (dot_lst): New.
274         * graphite-poly.h (dot_lst): Declared.
275
276 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
277
278         * graphite-dependences.c (dot_deps_stmt_1): New.
279         (dot_deps_stmt): New.
280         * graphite-dependences.h (dot_deps_stmt): Declared.
281
282 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
283
284         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
285         not replace cross BB scalar dependences ending on PHI nodes.
286         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
287
288 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
289
290         * graphite-poly.c (apply_poly_transforms): Implement the high
291         level driver for flag_loop_block.
292         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
293         flag_loop_block.
294
295         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
296         -floop-block.
297         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
298         Add -floop-block.
299
300 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
301
302         * graphite-poly.h (lst_find_pbb): New.
303         (find_lst_loop): New.
304
305 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
306
307         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
308         * graphite-poly.h (struct scop): Remove dep_graph field.
309         (SCOP_DEP_GRAPH): Removed.
310
311 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
312
313         * graphite-poly.h (copy_lst): Do full copy of LST.
314
315 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
316
317         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
318         when the loop stride is zero.
319
320         * gcc.dg/graphite/id-16.c: New.
321
322 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
323
324         * graphite-dependences.c (reduction_dr_1): New.
325         (reduction_dr_p): New.
326         (graphite_legal_transform_dr): Call reduction_dr_p.
327         (reduction_ddr): Renamed reduction_ddr_p.
328         * graphite-poly.h (same_pdr_p): New.
329         (number_of_write_pdrs): New.
330         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
331         (split_reduction_stmt): Do not split reduction statements
332         when there are no writes to memory.
333         (translate_scalar_reduction_to_array_for_stmt): Insert the
334         memory reduction statement just after the scalar reduction statement.
335
336         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
337         Un-XFAIL-ed.
338         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
339         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
340
341 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
342
343         * graphite-interchange.c (lst_apply_interchange): New.
344         (lst_interchange_profitable_p): New.
345         (lst_try_interchange_loops): New.
346         (lst_try_interchange): New.
347         (lst_do_interchange): New.
348         (pbb_do_interchange): Removed.
349         (scop_do_interchange): Call lst_do_interchange.
350
351 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
352
353         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
354         SCOP_TRANSFORMED_SCHEDULE.
355         (loop_to_lst): New.
356         (scop_to_lst): New.
357         (print_lst): New.
358         (debug_lst): New.
359         * graphite-poly.h (lst_p): New.
360         (struct lst): New.
361         (LST_LOOP_P): New.
362         (LST_LOOP_FATHER): New.
363         (LST_PBB): New.
364         (LST_SEQ): New.
365         (scop_to_lst): Declared.
366         (print_lst): Declared.
367         (debug_lst): Declared.
368         (new_lst_loop): New.
369         (new_lst_stmt): New.
370         (copy_lst): New.
371         (lst_depth): New.
372         (lst_dewey_number): New.
373         (struct scop): Add original_schedule and transformed_schedule fields.
374         (SCOP_ORIGINAL_SCHEDULE): New.
375         (SCOP_TRANSFORMED_SCHEDULE): New.
376         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
377
378 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
379
380         * graphite-dependences.c (reduction_ddr): New.
381         (graphite_legal_transform_bb): Call reduction_ddr.
382         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
383         Initialize PBB_IS_REDUCTION.
384         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
385         (PBB_IS_REDUCTION): New.
386         (new_poly_bb): Update declaration.
387         * graphite-scop-detection.h (build_scop_bbs): Removed.
388         (nb_reductions_in_loop): Removed.
389         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
390         parameter for reductions.
391         (try_generate_gimple_bb): Update call to new_poly_bb.
392         (build_scop_bbs_1): Same.
393         (build_scop_bbs): Same.
394         (gsi_for_phi_node): New.
395         (scalar_close_phi_node_p): Remove gcc_assert.
396         (split_reduction_stmt): New.
397         (is_reduction_operation_p): New.
398         (phi_contains_arg): New.
399         (follow_ssa_with_commutative_ops): New.
400         (detect_commutative_reduction_arg): New.
401         (detect_commutative_reduction_assign): New.
402         (follow_inital_value_to_phi): New.
403         (edge_initial_value_for_loop_phi): New.
404         (initial_value_for_loop_phi): New.
405         (detect_commutative_reduction): New.
406         (translate_scalar_reduction_to_array_for_stmt): New.
407         (insert_copyout): New.
408         (insert_copyin): New.
409         (translate_scalar_reduction_to_array): New.
410         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
411         (rewrite_commutative_reductions_out_of_ssa_loop): New.
412         (rewrite_commutative_reductions_out_of_ssa): New.
413         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
414         * sese.h (split_region_for_bb): New.
415
416         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
417         * gcc.dg/graphite/interchange-1.c: Fix format.
418         * gcc.dg/graphite/interchange-10.c: New.
419
420 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
421
422         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
423         buggy assert.
424
425 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
426
427         * graphite-sese-to-poly.c (scev_analyzable_p): New.
428         (rewrite_cross_bb_scalar_dependence): New.
429         (rewrite_cross_bb_scalar_deps): New.
430         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
431         Call rewrite_cross_bb_scalar_deps.
432
433 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
434
435         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
436         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
437         gsi_for_stmt.
438
439 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
440
441         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
442         * graphite-interchange.c (pbb_do_interchange): Same.
443         * graphite-poly.c (print_scattering_function): Same.
444         (debug_pdrs): Same.
445         * graphite-poly.h (pbb_loop): New.
446         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
447
448 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
449
450         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
451
452 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
453
454         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
455         so don't pass a pointer to it.
456         (build_alias_set_for_drs): Same.
457         (build_base_obj_set_for_drs): Same.
458         (build_scop_drs): Same.
459
460 2009-09-26  Li Feng  <nemokingdom@gmail.com>
461
462         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
463         the alias graph of data references.
464
465 2009-09-25  Li Feng  <nemokingdom@gmail.com>
466
467         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
468         (build_scop_drs): When debugging, write the alias graph to file,
469         otherwise, should be disabled.
470
471 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
472
473         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
474         (is_simple_operand): Remove call to stmt_simple_memref_p.
475         (stmt_simple_for_scop_p): Update call to is_simple_operand.
476
477 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
478
479         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
480         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
481         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
482         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
483         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
484
485 2009-09-17 Li Feng  <nemokingdom@gmail.com>
486
487         PR middle-end/41118
488         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
489         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
490         (graphite_carried_dependence_level_k): Ditto.
491         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
492         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
493         (new_poly_dr): Adjust declaration.
494         * graphite-sese-to-poly.c (free_data_refs_aux): New.
495         (free_gimple_bb): Added free_data_refs_aux.
496         (build_poly_dr): Add dr_base_object_set.
497         (partition_drs_to_sets): New.
498         (dr_same_base_object_p): New.
499         (build_alias_set_for_drs): New.
500         (build_base_object_set_for_drs): New.
501         (build_scop_drs): Add build_base_obj_set_for_drs.
502         * graphite-sese-to-poly.h: Added #define for alias set number index and
503         base object set index.
504         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
505         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
506
507 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
508
509         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
510         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
511
512 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
513
514         * graphite-sese-to-poly.c (struct irp_data): Removed.
515         (idx_record_params): Removed.
516         (find_params_in_bb): Scan for parameters the access functions; don't
517         parse the tree representation.
518
519 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
520
521         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
522         passes at -O1 and below.
523
524 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
525
526         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
527         tree-scalar-evolution.h, and then tree-data-ref.h.
528         * graphite-clast-to-gimple.c: Same.
529         * graphite-dependences.c: Same.
530         * graphite-interchange.c: Same.
531         * graphite-poly.c: Same.
532         * graphite-scop-detection.c: Same.
533         * graphite-sese-to-poly.c: Same.
534         * graphite.c: Same.
535         * lambda-code.c: Same.
536         * matrix-reorg.c: Same.
537         * tree-data-ref.c: Same.
538         * tree-if-conv.c: Same.
539         * tree-loop-distribu: Same.: Same.
540         * tree-loop-linear.c: Same.
541         * tree-parloops.c: Same.
542         * tree-predcom.c: Same.
543         * tree-vect-patterns.c: Same.
544
545 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
546
547         Partially revert the previous patch, except the following.
548         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
549         as parameters the operands of the not expression.
550
551 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
552
553         * tree-scalar-evolution.c (instantiate_scev_assign): New.
554         Do not call analyze_scalar_evolution on assignments.
555         (instantiate_scev_phi): Call analyze_scalar_evolution.
556         (instantiate_scev_name): Call instantiate_scev_assign and
557         instantiate_scev_phi.
558         (instantiate_scev_not): Adapted to pass as parameters the operands
559         of the not expression.
560
561 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
562
563         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
564         to pass as parameters the operands of the binary expression.
565
566 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
567
568         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
569         instantiate_scev_not.  Handle NEGATE_EXPR.
570         (instantiate_scev_r): Handle NEGATE_EXPR.
571
572 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
573
574         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
575         instantiate_scev_r.
576         (instantiate_scev_r): Move code in instantiate_scev_2
577         and instantiate_scev_1.
578
579 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
580
581         * tree-scalar-evolution.c (instantiate_scev_3): New.
582         (instantiate_scev_1): Move code in instantiate_scev_3.
583
584 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
585
586         * tree-scalar-evolution.c (instantiate_scev_poly): New.
587         (instantiate_scev_1): Move code in instantiate_scev_poly.
588
589 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
590
591         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
592         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
593
594 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
595
596         * tree-scalar-evolution.c (instantiate_scev_convert): New.
597         (instantiate_scev_1): Move code in instantiate_scev_convert.
598
599 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
600
601         * tree-scalar-evolution.c (instantiate_scev_binary): New.
602         (instantiate_scev_1): Move code in instantiate_scev_binary.
603
604 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
605
606         * tree-scalar-evolution.c (instantiate_scev_name): New.
607         (instantiate_scev_1): Move code in instantiate_scev_name.
608
609 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
610
611         * Merge from mainline (150992:151171).
612
613 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
614
615         * graphite-dependences.c (graphite_legal_transform_bb): Call
616         pbb_remove_duplicate_pdrs.
617         * graphite-poly.c (can_collapse_pdr): Removed.
618         (pdr_find_duplicate): Removed.
619         (can_collapse_pdrs): New.
620         (pbb_remove_duplicate_pdrs): New.
621         (new_poly_dr): Do not look for duplicates.
622         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
623         (PBB_PDR_DUPLICATES_REMOVED): New.
624         (pbb_remove_duplicate_pdrs): Declared.
625
626 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
627
628         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
629         the strides by multiplying by PDR_NB_REFS.
630         * graphite-poly.c (can_collapse_pdr): New.
631         (pdr_find_duplicate): New.
632         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
633         Initialize PDR_NB_REFS.
634         * graphite-poly.h (struct poly_dr): Add field nb_refs.
635         (PDR_NB_REFS): New.
636         (new_poly_dr): Number of subscripts is a graphite_dim_t.
637
638 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
639
640         Revert one of the previous commits:
641         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
642         the computation of symmetric data dependence relations.
643         (dependency_between_pbbs_p): Same.
644
645 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
646
647         PR middle-end/40965
648         * graphite-poly.c (apply_poly_transforms): Remove legality test before
649         any transform.
650
651 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
652
653         * graphite-dependences.c (pddr_original_scattering): Return NULL
654         for read-read dependence relations.
655         * graphite-poly.h (enum poly_dr_type): Fix comment.
656         (pdr_read_p): New.
657         (pdr_write_p): New.
658         (pdr_may_write_p): New.
659
660 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
661
662         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
663         (struct poly_dr): Same.
664         (new_poly_dr): Same.
665         * graphite-poly.c (new_poly_dr): Same.
666
667 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
668             Sebastian Pop  <sebastian.pop@amd.com>
669
670         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
671         pbb_strip_mine_time_depth.  Changed the implementation so that
672         transformation is expressed as a transformation on
673         time (scatttering) dimensions.  Also, ensures that the 2d+1
674         scheduling format is preserved.
675         (pbb_strip_mine_profitable_p): Profitability is based on the
676         iteration number of a given time (scattering) dimension,
677         and not on a original loop depth dimension.
678         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
679         (pbb_do_strip_mine): Call psct_dynamic_dim.
680         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
681         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
682         (pbb_nb_dynamic_scattering_transform): New.
683         (psct_dynamic_dim): New.
684
685 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
686
687         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
688         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
689         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
690         * graphite-interchange.c (build_linearized_memory_access): Same.
691         (memory_stride_in_loop): Same.
692
693 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
694
695         * graphite-dependences.c (pddr_original_scattering): New.
696         (graphite_legal_transform_dr): Call pddr_original_scattering.
697         (dot_deps_1): New.
698         (dot_deps): New.
699         * graphite-dependences.h (dot_deps): Declared.
700         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
701         (print_pdr): Print PDR_ID.
702         * graphite-poly.h (struct poly_dr): Add field id.
703         (PDR_ID): New.
704         (pbb_index): New.
705         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
706
707 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
708
709         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
710         not delete the original dependence relation.
711
712 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
713
714         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
715         the computation of symmetric data dependence relations.
716         (dependency_between_pbbs_p): Same.
717
718 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
719
720         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
721         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
722         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
723         (free_poly_ddr): New.
724         (pddr_is_empty): New.
725         (dependence_polyhedron_1): Now returns a poly_ddr_p.
726         (dependence_polyhedron): Same.  Remove useless gcc_assert.
727         Remove fprintfs.
728         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
729         (graphite_carried_dependence_level_k): Call pddr_is_empty.
730         * graphite-dependences.h (enum poly_dependence_kind): New.
731         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
732         (PDRP_SOURCE): Renamed PDDR_SOURCE.
733         (PDRP_SINK): Renamed PDDR_SINK.
734         (PDRP_DDP): Renamed PDDR_DDP.
735         (PDDR_KIND): New.
736         (free_poly_ddr): Declared.
737         * graphite-poly.c (new_scop): Use the new hash function names.
738         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
739         into original_pddrs.
740         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
741
742 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
743
744         * Merge from mainline (150764:150992).
745
746 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
747
748         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
749         bounds with LT_EXPR to make niter analysis more precise on code
750         generated by Graphite.
751
752 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
753
754         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
755         (graphite_legal_transform_bb): Same.
756         (poly_drs_may_alias_p): Same.
757
758 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
759
760         PR middle-end/40981
761         * graphite-ppl.c (ppl_max_for_le): Correct the use of
762         ppl_Pointset_Powerset_C_Polyhedron_maximize.
763
764 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
765
766         * graphite-poly.c (print_pbb): Print PBB index.
767
768 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
769
770         * Merge from mainline (r150672:150764).
771
772 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
773
774         * graphite-interchange.c (ppl_max_for_le): Moved...
775         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
776         * graphite-ppl.c (ppl_max_for_le): ... here.
777         * graphite-ppl.h (ppl_max_for_le): Declared.
778
779 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
780
781         * Merge from mainline (r150372:150672).
782
783 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
784
785         PR middle-end/40980
786         * sese.c (convert_for_phi_arg): New.
787         (add_guard_exit_phis): Use convert_for_phi_arg.
788
789         * testsuite/gfortran.dg/graphite/id-17.f: New.
790
791 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
792
793         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
794         unknown subscript upper bounds.
795
796         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
797
798 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
799             Pranav Garg  <pranav.garg2107@gmail.com>
800
801         * graphite-interchange.c (gather_access_strides): Removed.
802         (ppl_max_for_le): New.
803         (build_linearized_memory_access): New.
804         (memory_stride_in_loop): New.
805         (pbb_interchange_profitable_p): Reimplemented.
806         * graphite-ppl.h (ppl_new_id_map): New.
807         (ppl_interchange): New.
808
809         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
810
811 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
812
813         * graphite-interchange.c (compute_subscript): Removed.
814         (compute_array_size_cstr): Removed.
815         (compute_array_size_poly): Removed.
816         (compute_array_size): Removed.
817         (gather_access_strides_poly): Removed.
818         (gather_access_strides): Empty.
819
820 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
821
822         * graphite-dependences.c (dependence_polyhedron_1): Replace
823         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
824         (graphite_legal_transform_dr): Same.
825         (graphite_carried_dependence_level_k): Same.
826         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
827         Initialize PDR_NB_SUBSCRIPTS.
828         (print_pdr_access_layout): Replace pdr_nb_subscripts with
829         PDR_NB_SUBSCRIPTS.
830         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
831         (PDR_NB_SUBSCRIPTS): New.
832         (pdr_nb_subscripts): Removed.
833         (pdr_dim): Simplified.
834         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
835         with PDR_NB_SUBSCRIPTS.
836
837 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
838
839         * graphite-interchange.c (compute_array_size): Remove use of
840         PDR_DATA_CONTAINER.
841         * graphite-poly.c (new_poly_dr): Remove argument data_container.
842         Do not initialize PDR_DATA_CONTAINER.
843         (print_pdr): Do not print PDR_DATA_CONTAINER.
844         * graphite-poly.h (struct poly_dr): Remove data_container field.
845         (PDR_DATA_CONTAINER): Removed.
846         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
847         PDR_DATA_CONTAINER.
848         (build_poly_dr): Same.
849
850 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
851
852         * testsuite/gcc.dg/graphite/interchange-9.c: New.
853
854 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
855             Sebastian Pop  <sebastian.pop@amd.com>
856
857         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
858         copy of the dependence polyhedron.  Free the temporary objects.
859         (graphite_carried_dependence_level_k): Free unused objects before
860         returning.
861
862         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
863         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
864         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
865         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
866         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
867
868 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
869
870         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
871         Early return without analyzing the data dependences if no
872         transform has been done.  Call restore_scattering if the transform
873         is not legal.
874         (graphite-interchange.c): Same.
875         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
876         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
877         (apply_poly_transforms): Do not gcc_assert that
878         the transform is legal.
879         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
880         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
881         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
882         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
883         * graphite-poly.h (struct poly_scattering): New.
884         (struct poly_bb): Add original, transformed, and saved fields.
885         Remove transformed_scattering, original_scattering, nb_local_variables,
886         and nb_scattering_transform fields.
887         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
888         (poly_scattering_new): New.
889         (poly_scattering_free): New.
890         (poly_scattering_copy): New.
891         (store_scattering_pbb): New.
892         (store_scattering): New.
893         (restore_scattering_pbb): New.
894         (restore_scattering): New.
895         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
896         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
897
898 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
899
900         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
901         (print_scop): Same.
902
903 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
904
905         * Makefile.in (graphite.o): Depends on PREDICT_H.
906         * graphite.c: Include predict.h.
907         (graphite_finalize): Call tree_estimate_probability.
908         * predict.c (predict_loops): Do not call scev_initialize and
909         scev_finalize.
910         (tree_estimate_probability_bb): New.
911         (tree_estimate_probability): Do not initialize loops: move that
912         code to the driver.  Call tree_estimate_probability_bb.
913         (tree_estimate_probability_driver): New.
914         (pass_profile): Use tree_estimate_probability_driver.
915         * predict.h (tree_estimate_probability): Declared.
916
917 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
918
919         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
920         * graphite-dependences.c (graphite_legal_transform): Add time to
921         TV_GRAPHITE_DATA_DEPS.
922         (dependency_between_pbbs_p): Same.
923         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
924
925 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
926
927         * Merge from mainline (r149952:150372).
928
929 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
930
931         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
932         * graphite-blocking.c: Same.
933         * graphite-clast-to-gimple.c: Same.
934         * graphite-dependences.c: Same.
935         * graphite-poly.c: Same.
936         * graphite-poly.h: Same.
937         * graphite-ppl.c: Same.
938         * graphite-scop-detection.c: Same.
939         * graphite-sese-to-poly.c: Same.
940         * graphite.c: Same.
941
942 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
943
944         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
945         (remove_simple_copy_phi): New.
946         (remove_invariant_phi): New.
947         (simple_copy_phi_p): New.
948         (reduction_phi_p): New.
949         (gsi_for_ssa_name_def): New.
950         (insert_out_of_ssa_copy): New.
951         (insert_out_of_ssa_copy_on_edge): New.
952         (create_zero_dim_array): New.
953         (scalar_close_phi_node_p): New.
954         (rewrite_close_phi_out_of_ssa): New.
955         (rewrite_phi_out_of_ssa): New.
956         (rewrite_reductions_out_of_ssa): New.
957         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
958
959         * testsuite/gcc.dg/graphite/id-11.c: New.
960         * testsuite/gcc.dg/graphite/id-15.c: New.
961         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
962         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
963         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
964         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
965         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
966         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
967         * testsuite/gfortran.dg/graphite/id-13.f: New.
968         * testsuite/gfortran.dg/graphite/id-5.f: New.
969
970 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
971
972         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
973         check that nb_reductions_in_loop is zero.
974         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
975         reduction phi nodes.
976         (nb_reductions_in_loop): Removed.
977         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
978         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
979         (bb_contains_non_iv_scalar_phi_nodes): Removed.
980         (scop_contains_non_iv_scalar_phi_nodes): Removed.
981         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
982
983 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
984
985         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
986         statements that have an empty iteration domain.
987         * testsuite/gfortran.dg/graphite/id-16.f: New.
988
989 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
990
991         * tree-scalar-evolution.c (instantiate_scev_1): Return
992         chrec_dont_know when the result is not above instantiate_below.
993         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
994         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
995         the tree has a known scalar evolution.
996         * testsuite/gfortran.dg/graphite/id-14.f: New.
997         * testsuite/gfortran.dg/graphite/id-15.f: New.
998
999 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1000
1001         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1002         insert_gsi.
1003         (rename_variables): Keep inserting renames after the ones already
1004         inserted.
1005
1006 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-sese-to-poly.c (compare_bb_depths): New.
1009         (graphite_sort_dominated_info): New.
1010         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1011         (build_scop_scattering): Fix comment.
1012
1013 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * graphite.c (graphite_finalize): Call print_loops instead of
1016         dump_function_to_file.
1017         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1018         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1019         loops generated in the graphite output file.
1020         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1021         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1022         * testsuite/gfortran.dg/graphite/id-12.f: New.
1023
1024 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1025
1026         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1027         Remove 2 XFAIL.
1028
1029 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1030             Tobias Grosser  <grosser@fim.uni-passau.de>
1031
1032         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1033         alias set number build alias in ACCESSES polyhedron.
1034         (build_alias_set_for_drs): New.
1035         (build_pbb_drs): Added build_alias_set_for_drs.
1036         * graphite-dependences.c (poly_drs_may_alias_p): New.
1037         (graphite_carried_dependence_level_k): Check alias information
1038         before building polyhedron.
1039
1040 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1041
1042         * Makefile.in (lambda-code.o): Fix formatting.
1043
1044 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1045
1046         * Merge from mainline (r149350-149952)
1047
1048 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1049
1050         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1051         before interchange to prepare for loop blocking.
1052
1053 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1054
1055         * graphite-poly.c (apply_poly_transforms): Add checks after every
1056         transformation.
1057         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1058         done in apply_poly_transforms.
1059
1060 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1061
1062         * graphite-dependences.c (build_lexicographically_gt_constraint):
1063         Replace RES parameter with *RES.
1064         (dependence_polyhedron_1): Pass an address of the parameter RES
1065         instead of value of RES.
1066
1067 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1068
1069         * graphite.c (graphite_finalize): Fix comment.
1070         (graphite_transform_loops): Reset scev info after code generation
1071         of each scop.
1072
1073 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1074
1075         * graphite.c (graphite_finalize): Call scev_reset.
1076
1077 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1080         GBB_CLOOG_IV_TYPES hash table twice.
1081         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1082         (add_condition_to_domain): Clear GMP values.
1083
1084 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * graphite-dependences.c: Fix formatting.
1087         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1088         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1089         * graphite-sese-to-poly.c: Fix formatting.
1090         * graphite.c (graphite_transform_loops): Create the hash table
1091         after the early return.
1092
1093 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * testsuite/gcc.dg/graphite/id-14.c: New.
1096         * testsuite/gcc.dg/graphite/pr40157.c: New.
1097         * testsuite/gfortran.dg/graphite/id-11.f: New.
1098
1099 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1102         (build_poly_scop): Return false when there are no pbbs within
1103         loops to avoid to pass to cloog scops with no loops.
1104
1105 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1108         useless test "i % 2".
1109         (build_pbb_scattering_polyhedrons): Fix formatting.
1110         (build_poly_dr): Same.
1111         * graphite.c (graphite_transform_loops): Restructure.
1112
1113 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1114
1115         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1116         reduction_list parameter.
1117         (rewrite_all_phi_nodes_with_iv): Same.
1118         (canonicalize_loop_ivs): Same.
1119         * tree-parloops.c (struct brli): Removed.
1120         (build_reduction_list_info): Removed.
1121         (build_new_reduction): New.
1122         (analyze_reduction_list): Removed.
1123         (gather_scalar_reductions): Find reductions instead of phi
1124         nodes that can't be canonicalized.
1125         (try_create_reduction_list): Remove reduction_list parameter.
1126         (gen_parallel_loop): Same.
1127         (parallelize_loops): Remove analyze_reductions variable,
1128         initialization and free.
1129         Change reduction_list htab initialization to reduction_info
1130         elements instead of ssa names.
1131         Call try_create_reduction_list and gen_parallel_loop without
1132         analyzed_reduction argument.
1133         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1134         canonicalize_loop_ivs with one less argument.
1135         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1136
1137 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1138
1139         * graphite-dependences.c (new_poly_dr_pair): New.
1140         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1141         (new_poly_dr_pair): New.
1142         (eq_poly_dr_pair_p): New.
1143         (hash_poly_dr_pair_p): New.
1144         * graphite-dependences.h (struct poly_dr_pair): New.
1145         (eq_poly_dr_pair_p): Declared.
1146         (hash_poly_dr_pair_p): Declared.
1147         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1148         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1149         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1150         * Makefile.in (graphite-poly.o): Add dependence on
1151         graphite-dependences.h.
1152
1153 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1156         polynomials of degree > 1 pass to Graphite.
1157         * tree-chrec.c (scev_is_linear_expression): Call
1158         evolution_function_is_affine_multivariate_p.
1159         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1160
1161 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1162
1163         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1164         Instantiate scevs varying in outer loops.
1165         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1166
1167 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1170         redundant constraint.
1171
1172 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1175         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1176         based on the file names as in the C testsuite.
1177         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1178         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1179         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1180         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1181         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1182         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1183         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1184         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1185         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1186         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1187         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1188         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1189         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1190
1191 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * sese.c (expand_scalar_variables_call): New.
1194         (expand_scalar_variables_ssa_name): Handle calls in expander.
1195
1196 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1197
1198         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1199         Expect to see the pattern twice.
1200         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1201         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1202         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1203
1204 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1205
1206         * testsuite/gcc.dg/graphite/id-10.c: New.
1207         * testsuite/gcc.dg/graphite/id-12.c: New.
1208         * testsuite/gfortran.dg/graphite/id-7.f: New.
1209         * testsuite/gfortran.dg/graphite/id-8.f: New.
1210
1211 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1214         zero.
1215
1216 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1217
1218         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1219
1220 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1223
1224 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1227         building PDR subscripts.
1228
1229 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1232         computation of array sizes.
1233
1234 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1237
1238 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1239
1240         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1241         build_pairwise_constraint, dr_equality_constraints,
1242         build_pairwise_scheduling_equality,
1243         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1244         build_lexicographically_gt_constraint, dependence_polyhedron,
1245         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1246         Move from NNC_Polyhedron to C_Polyhedron.
1247         * graphite-interchange.c (compute_array_size_poly,
1248         gather_access_strides): Dito.
1249         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1250         free_scop, pbb_number_of_iterations): Dito.
1251         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1252         pbb_dim_iter_domain, struct scop): Dito.
1253         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1254         new_Cloog_Domain_from_ppl_Polyhedron,
1255         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1256         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1257         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1258         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1259         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1260         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1261         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1262         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1263         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1264         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1265         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1266         build_scop_iteration_domain, build_poly_dr): Dito
1267
1268 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1271         run-id-*.c files.
1272         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1273
1274 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1277         positivity constraint on the symbolic number of iterations.
1278
1279 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1282
1283 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1284             Tobias Grosser  <grosser@fim.uni-passau.de>
1285
1286         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1287         (build_cloog_prog): Directly use SCOP_CONTEXT.
1288         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1289         (free_scop): Free SCOP_CONTEXT.
1290         (print_scop_context): New.
1291         (print_scop): Call print_scop_context.
1292         (debug_scop_context): New.
1293         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1294         (struct scop): Added field context.
1295         (SCOP_CONTEXT): New.
1296         * graphite-sese-to-poly.c (add_param_constraints): New.
1297         (build_scop_context): New.
1298         (build_poly_scop): Call build_scop_context.
1299
1300 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1303         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1304         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1305         * graphite-ppl.h: Include double-int.h and tree.h.
1306         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1307         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1308         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1309         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1310
1311 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1312
1313         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1314         POINTER_PLUS_EXPR for pointer types.
1315         (clast_to_gcc_expression): Same.
1316
1317 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1318
1319         * graphite-poly.c (print_scattering_function): Early return when
1320         PBB_TRANSFORMED_SCATTERING is not initialized.
1321         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1322
1323 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1324
1325         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1326         to fix bootstrap.
1327
1328 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1329
1330         * tree-parloops.c (analyze_reduction_list): Change return
1331         value to void.
1332         (try_create_reduction_list): Move the call to
1333         analyze_reduction_list to the beginining.
1334         Call reduction_phi with analyzed_reductions as argument
1335         instead of reduction_list.
1336
1337 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1338
1339         *  Merge from mainline (r148296:149346)
1340
1341 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1342
1343         * graphite-scop-detection.c (graphite_can_represent_init): New.
1344         (graphite_can_represent_scev): Call graphite_can_represent_init:
1345         check that the initial value does not contain multiplications of
1346         parameters.
1347         (stmt_has_simple_data_refs_p): New.
1348         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1349         (is_simple_operand): Fix formatting.
1350         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1351
1352 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * testsuite/gcc.dg/graphite/id-13.c: New.
1355         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1356         analyze_scalar_evolution, use scalar_evolution_in_region.
1357         (scan_tree_for_params_right_scev): Add extra assert.
1358         (parameter_index_in_region_1): Split from parameter_index_in_region.
1359         (idx_record_params): Use scalar_evolution_in_region.
1360         (find_params_in_bb): Same.
1361         (find_scop_parameters): Same.
1362         (build_loop_iteration_domains): Same.
1363         (create_linear_expr_from_tree): Same.
1364         * sese.c (scalar_evolution_in_region): New.
1365         * sese.h (scalar_evolution_in_region): Declared.
1366         (defined_in_sese_p): New.
1367         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1368         static anymore.
1369         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1370         Declared.
1371
1372 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1375         TREE_DATA_REF_H also implies SCEV_H.
1376
1377 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1378
1379         * graphite-poly.c (print_scop_params): New.
1380         (print_scop): Call print_scop_params.
1381         (debug_scop_params): New.
1382         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1383
1384 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1385
1386         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1387         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1388         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1389         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1390         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1391         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1392
1393 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1394
1395         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1396         for dependency checking part.
1397         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1398         tests for dependency checking.
1399         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1400         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1401         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1402         flag -fdump-tree-graphite-all for autopar testsuites.
1403
1404 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1405
1406         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1407         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1408         canonicalize_loop_ivs): Moved...
1409         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1410
1411 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1412
1413         * tree-parloops.c (try_create_reduction_list): Pass an extra
1414         argument analyzed_reductions.  Call analyze_reduction_list.
1415         (gen_parallel_loop): Do not call analyze_reduction_list.
1416         (parallelize_loops): Init and finalize analyzed_reductions.
1417
1418 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1419
1420         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1421         Added flag -fno-loop-strip-mine for autopar testcase.
1422
1423 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1424
1425         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1426         transformed scattering dimension instead of unmatch orignal when
1427         calling dependence_polyhedron.
1428
1429 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1432
1433 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1436         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1437
1438 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1441         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1442         * graphite-poly.c (pbb_number_of_iterations): New.
1443         * graphite-poly.h (pbb_number_of_iterations): Declared.
1444         (pbb_iterator_dim, pbb_parameter_dim): New.
1445
1446 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1449         last commit on type of lower and upper bound of loops.
1450
1451 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1452
1453         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1454         graphite-dependences.h.
1455         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1456         (mark_bb_with_pbb): New.
1457         (get_stmtfor_depth): New.
1458         (find_pbb_via_hash): New.
1459         (dependency_in_loop_p): New.
1460         (mark_loops_parallel): New.
1461         (free_aux_in_new_loops): New.
1462         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1463         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1464         innermost loop parallel without checking.
1465         (gloog): Add parameter BB_PBB_MAPPING.
1466         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1467         (gloog): Change declaration.
1468         (mark_loop_parallel): Make extern.
1469         (free_aux_in_new_loops): Declare.
1470         (bb_pbb_map_hash): New.
1471         (eq_bb_pbb_map): New.
1472         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1473         auto parallelization when flag_graphite_force_parallel is set.
1474         (graphite_finalize): Added free_aux_in_new_loops.
1475         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1476         the innermost loop that marked parallel.  Use
1477         flag_graphite_force_parallel instead of loop->can_be_parallel.
1478         (loop_parallel_p): Move inner most checking out of function.
1479
1480 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1483         type of lower and upper bound of loops signed long int.
1484
1485 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1488         expression outside the loop.
1489
1490 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1491
1492         * gcc.dg/graphite/interchange-8.c: New.
1493
1494 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1495
1496         * gcc.dg/graphite/interchange-0.c: XFailed.
1497         * gcc.dg/graphite/interchange-5.c: XFailed.
1498         * gcc.dg/graphite/interchange-6.c: XFailed.
1499
1500 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * graphite-interchange.c (compute_array_size_poly): The end of the
1503         recursion should return 1.
1504
1505 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * graphite-interchange.c (compute_array_size_cstr): Allow the
1508         subscript multiplier to be -1.
1509         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1510         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1511         data_container.  Initializes PDR_DATA_CONTAINER.
1512         (print_pdr_access_layout): New.
1513         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1514         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1515         data_container.
1516         (PDR_DATA_CONTAINER): New.
1517         (new_poly_dr): Update declaration.
1518         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1519         (build_poly_dr): Call pdr_add_data_dimensions.
1520
1521 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1522
1523         * graphite-poly.h (struct poly_dr): Fix comment.
1524         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1525         (pdr_add_memory_accesses): New.
1526         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1527
1528 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1531         (print_pbb): Add call to print_pdrs.
1532         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1533
1534 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1535             Li Feng <nemokingdom@gmail.com>
1536
1537         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1538         (dependency_between_pbbs_p): New.
1539         (lexicographically_gt_p): Assure !empty_p before polyhedron
1540         intersection assign.
1541         (build_lexicographically_gt_constraint): Correct lexicographically
1542         judging.
1543         * graphite-dependences.h: New.
1544         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1545
1546 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1549         (gloog): Print to dump_file the generated clast.
1550         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1551         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1552
1553 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-poly.c (extend_scattering): Increment
1556         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1557
1558 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1559
1560         * graphite-interchange.c (compute_array_size_poly): Added exit of
1561         recursion condition.  Continue iterating even after the first equality.
1562         (compute_array_size): Same.
1563
1564 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1565
1566         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1567         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1568         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1569         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1570         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1571
1572 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1575         only when the use verifies is_gimple_reg.
1576
1577 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1580         Allocate scaldims after call to unify_scattering_dimensions.
1581
1582 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1585
1586 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1587             Albert Cohen  <albert.cohen@inria.fr>
1588
1589         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1590         variables for the strip mining.
1591
1592 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1593             Pranav Garg  <pranav.garg2107@gmail.com>
1594
1595         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1596         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1597         (graphite-blocking.o): New rule.
1598         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1599         * graphite-blocking.c: New.
1600         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1601         flag_loop_strip_mine.
1602         (psct_scattering_dim_for_loop_depth): New.
1603         * graphite-poly.h (scop_do_strip_mine): Declared.
1604         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1605         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1606         flag_loop_strip_mine.
1607
1608 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1611         a GMP value and a PPL coefficient at each iteration of a loop.
1612
1613 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1614
1615         * graphite-dependences.c (dependence_polyhedron): Do not use
1616         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1617         pbb_nb_scattering_transform.
1618         (graphite_legal_transform_dr): Same.
1619         * graphite-poly.c (extend_scattering): Same.
1620         (unify_scattering_dimensions): Same.
1621         (print_scattering_function): Same.
1622         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1623         PBB_NB_LOCAL_VARIABLES.
1624         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1625         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1626         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1627         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1628         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1629         (pbb_nb_scattering_transform): New.
1630         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1631         (psco_scattering_dim): Add assert on parameters.
1632         (psct_scattering_dim): Same.
1633         (psct_scattering_dim_for_loop_depth): Declared.
1634         (psct_local_var_dim): New.
1635         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1636         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1637         correct layout, call pbb_nb_local_vars.
1638         (psct_add_local_variable, psct_add_scattering_dimension): New.
1639         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1640         Initialize PBB_NB_SCATTERING_TRANSFORM.
1641
1642 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1643
1644         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1645         (set_coef): Renamed ppl_set_coef.
1646         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1647
1648 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1649
1650         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1651         test a boolean against 1.
1652         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1653         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1654         (pbb_do_interchange): Returns true when a transform has been performed.
1655         (scop_do_interchange): Same.
1656         * graphite-poly.c (apply_poly_transforms): Use the return value of
1657         scop_do_interchange.
1658         * graphite-poly.h (scop_do_interchange): Update declaration.
1659
1660 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1661
1662         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1663         after last use.
1664         * sese.c (sese_reset_aux_in_loops): New.
1665         * sese.h (sese_reset_aux_in_loops): New.
1666
1667 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1670         multiplier and multiply the constant by the multiplier.
1671         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1672         (build_poly_dr): Do not use the multiplier to define the subscript.
1673
1674 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1677         compiler's data reference.  Initialize PDR_CDR.
1678         (print_pdr): Call dump_data_reference.
1679         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1680         Add compiler_dr field.
1681         (PDR_BB): Renamed PDR_PBB.
1682         (PDR_CDR): New.
1683         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1684         GCC's data reference representation.
1685         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1686         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1687
1688 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * graphite-poly.c (print_scattering_function): Also print the layout.
1691         * graphite-poly.h (pbb_nb_local_vars): New.
1692
1693 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1694
1695         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1696
1697 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         * graphite-poly.c (print_pdr, debug_pdr): New.
1700         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1701         (PDR_BASE): Removed.
1702
1703 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1704
1705         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1706         ltrans-{1..6,8}.c.
1707
1708 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1711         subscript identification column.
1712         (pbb_do_interchange): Print to dump_file that some loops "will be
1713         interchanged".  Rely on that chain of characters in the testcases.
1714         * gcc.dg/graphite/interchange-0.c: New.
1715         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1716         interchange-*.c files and compile them with -floop-interchange.
1717
1718 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1719
1720         * graphite-interchange.c (interchange_profitable_p): Renamed
1721         pbb_interchange_profitable_p.
1722
1723 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1724             Harsha Jagasia  <harsha.jagasia@amd.com>
1725             Pranav Garg  <pranav.garg2107@gmail.com>
1726
1727         * graphite-interchange.c (interchange_profitable_p): Make static.
1728         (pbb_interchange_loop_depths, pbb_do_interchange,
1729         scop_do_interchange): New.
1730         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1731         for flag_loop_interchange.
1732         * graphite-poly.h (scop_do_interchange): Declared.
1733         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1734         flag_loop_interchange is used.
1735
1736 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1737
1738         * graphite-dependences.c (dependence_polyhedron): Update use of
1739         pbb_nb_scattering_dims.
1740         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1741         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1742         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1743         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1744
1745 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         * graphite.c: Cleanup foo.
1748
1749 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1750
1751         * Merge from mainline (r143684:148293).
1752         * Disabled libpcp until it gets fixed.
1753
1754 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1755             Harsha Jagasia  <harsha.jagasia@amd.com>
1756
1757         * graphite-interchange.c: New.
1758         * Makefile.in (graphite-interchange.o): New.
1759         * graphite-poly.h (interchange_profitable_p): Declared.
1760         * graphite-ppl.h (value_max): New.
1761
1762 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1765         * graphite-poly.h: Fix some comments.
1766         (pdr_dim): New.
1767         (pdr_scop): New.
1768
1769 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1770
1771         * graphite-poly.h
1772         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1773         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1774         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1775         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1776         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1777         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1778         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1779         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1780         * graphite-clast-to-gimple.c: Same.
1781         * graphite-dependences.c: Same.
1782         * graphite-poly.c: Same.
1783         * graphite-sese-to-poly.c: Same.
1784
1785 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1786
1787         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1788         expressions for an IV rename, as returned by clast_to_gcc_expression.
1789         (copy_renames): Rename new_name to expr.
1790         * sese.c (debug_rename_elt): Same.
1791         (get_rename): Same.
1792         (set_rename): Same.
1793         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1794         the information from the rename map.
1795         (rename_variables_in_stmt): Same.
1796         (add_loop_exit_phis): Rename new_name to expr.
1797         (insert_loop_close_phis): Same.
1798         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1799         * sese.h (struct rename_map_elt): Rename new_name to expr.
1800         (new_rename_map_elt): Same.
1801
1802 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1805         * sese.c (set_rename): Make it extern.
1806         * sese.h (set_rename): Declared.
1807
1808 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * graphite-poly.c (extend_scattering): Free values.
1811         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1812         Free iterators.
1813         (ppl_print_powerset_matrix): Same.
1814         * graphite-scop-detection.c (free_scops_1): New.
1815         (limit_scops): Call free_scops_1.
1816         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1817         (build_poly_dr): Free PPL coefficients.
1818         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1819
1820 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-dependences.c: New.
1823         * graphite-data-ref.c: Removed.
1824         * graphite-data-ref.h: Removed.
1825         * Makefile.in (graphite-data-ref.o): Removed.
1826         (graphite-dependences.o): Added.
1827         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1828         * graphite-poly.c: Same.
1829         Move the data dependence testing to graphite-dependences.c.
1830
1831 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1832
1833         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1834         from graphite_cannot_represent_loop. Code refactored.
1835         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1836
1837 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1838
1839         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1840         Cover all the testcases (not only the filtered ones).
1841
1842 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1843
1844         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1845         unnecessary check. Update comments. Move check for REAL_TYPE here.
1846         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1847         done in (stmt_simple_for_scop_p).
1848
1849 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1850
1851         * graphite.c (print_global_statistics): New.
1852         (print_graphite_scop_statistic): New.
1853         (print_graphite_statistics): New.
1854         (graphite_initialize, graphite_transform_loops): Print statistics.
1855         * graphite-scop-detection (build_scops): Print statistics.
1856         (print_graphite_scop_statistics): New.
1857         (print_graphite_statistics): New.
1858
1859 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1862         (debug_clast_name_index): Removed.
1863         (debug_clast_name_indexes_1): Removed.
1864         (debug_clast_name_indexes): Removed.
1865         (clast_name_index_elt_info): Removed.
1866         (eq_clast_name_indexes): Removed.
1867         (clast_name_to_index): Removed.
1868         (new_clast_name_index): Removed.
1869         (save_clast_name_index): Removed.
1870         (save_var_name): Moved...
1871         (init_sese_params_index): Removed.
1872         (clast_name_to_gcc): Remove use of name_tree.
1873         (initialize_cloog_names): Same.
1874         (gloog): Do not call init_sese_params_index.
1875         * graphite-sese-to-poly.c (save_var_name): ...here.
1876         (parameter_index_in_region): New.
1877         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1878         (parameter_index_in_region): Removed.
1879         (is_parameter): Remove use of name_tree.
1880         * sese.h (struct name_tree): Removed.
1881         (struct sese): Remove use of name_tree.  New field params_names.
1882         (SESE_PARAMS_NAMES): New.
1883         (SESE_PARAMS): Remove duplicate.
1884         (parameter_index_in_region): Removed.
1885         (sese_nb_params): Remove use of name_tree.
1886         (struct clast_name_index): New.
1887         (new_clast_name_index): New.
1888         (clast_name_to_index): New.
1889         (save_clast_name_index): New.
1890         (debug_clast_name_index): New.
1891         (debug_clast_name_indexes_1): New.
1892         (debug_clast_name_indexes): New.
1893         (clast_name_index_elt_info): New.
1894         (eq_clast_name_indexes): New.
1895
1896 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1899         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1900         (graphite_loop_normal_form): Do not pass region.  Do not
1901         initialize SESE_OLDIVS.
1902         (build_graphite_loop_normal_form): Update call to
1903         graphite_loop_normal_form.
1904         * sese.c (debug_oldivs): Removed.
1905         (new_sese): Do not initialize SESE_OLDIVS.
1906         (free_sese): Do not free SESE_OLDIVS.
1907         (oldiv_for_loop): Removed.
1908         * sese.h (struct sese): Remove old_ivs.
1909         (SESE_OLDIVS): Removed.
1910         (oldiv_for_loop): Removed.
1911
1912 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1915         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1916         replaced by a call to newivs_to_depth_to_newiv.
1917         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1918         (clast_to_gcc_expression_red): Same.
1919         (gcc_type_for_clast_expr): Same.
1920         (gcc_type_for_clast_eq): Same.
1921         (graphite_translate_clast_equation): Same.
1922         (graphite_create_guard_cond_expr): Same.
1923         (graphite_create_new_guard): Same.
1924         (graphite_create_new_loop): Same.
1925         (build_iv_mapping): Same.
1926         (translate_clast): Same.
1927         (gloog): Same.
1928         (loop_iv_stack_patch_for_consts): Removed.  *
1929         sese.c (iv_stack_entry_is_constant): Removed.
1930         (iv_stack_entry_is_iv): Removed.
1931         (loop_iv_stack_push_iv): Removed.
1932         (loop_iv_stack_insert_constant): Removed.
1933         (loop_iv_stack_pop): Removed.
1934         (loop_iv_stack_get_iv): Removed.
1935         (loop_iv_stack_get_iv_from_name): Removed.
1936         (debug_loop_iv_stack): Removed.
1937         (free_loop_iv_stack): Removed.
1938         (loop_iv_stack_remove_constants): Removed.  *
1939         sese.h (iv_stack_entry_kind): Removed.
1940         (iv_stack_entry_data_union): Removed.
1941         (iv_stack_entry_struct): Removed.
1942         (iv_stack_entry_p): Removed.
1943         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1944         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1945         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1946         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1947         (gbb_loop_at_index): Fix indenting.
1948         (gbb_loop_index): Removed.
1949
1950 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1951
1952         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1953         Call clast_name_to_index.
1954
1955 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1956
1957         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1958         do not pass params.  Get params from SESE_PARAMS.
1959         (clast_to_gcc_expression): Same.
1960         (clast_to_gcc_expression_red): Same.
1961         (gcc_type_for_clast_eq): Same.
1962         (graphite_translate_clast_equation): Same.
1963         (graphite_create_new_loop): Same.
1964         * sese.c (rename_variables_in_stmt): Fix comment.
1965
1966 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1969         newivs_index.
1970         Call save_clast_name_index.
1971         (translate_clast): Pass newivs_index.
1972         (gloog): Create and free newivs_index.
1973
1974 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1977         (clast_name_index_p): New type.
1978         (debug_clast_name_index): New.
1979         (debug_clast_name_indexes_1): New.
1980         (debug_clast_name_indexes): New.
1981         (clast_name_index_elt_info): New.
1982         (eq_clast_name_indexes): New.
1983         (clast_name_to_index): New.
1984         (new_clast_name_index): New.
1985         (save_clast_name_index): New.
1986         (init_sese_params_index): New.
1987         (gloog): Call init_sese_params_index.
1988         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1989         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1990         (free_sese): Free SESE_PARAMS_INDEX.
1991         * sese.h (struct sese): Add params_index.
1992         (SESE_PARAMS_INDEX): New.
1993
1994 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1995
1996         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1997         (graphite_create_new_loop): Pass the newivs vector.  Push the
1998         newly created IV to newivs.
1999         (translate_clast): Pass the newivs vector.
2000         (gloog): Create and destroy the newivs vector.
2001
2002 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2005         (graphite_loop_normal_form): Initialize loop->aux with the unique
2006         IV that has been created.
2007
2008 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2009
2010         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2011         scev with parameters in the base part. They where forbidden
2012         exidently.
2013
2014 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2015
2016         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2017         compile options by file names.
2018         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2019         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2020         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2021         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2022
2023 2009-05-08  Li Feng <nemokingdom@gmail.com>
2024
2025         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2026         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2027         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2028         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2029
2030 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2031
2032         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2033         by final cleanup.
2034
2035 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2036
2037         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2038         allow integer constant strides.
2039         (graphite_can_represent_expr): Depend on outermost_loop.
2040         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2041         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2042         build_scops_1): Same.
2043         (scopdet_basic_block_info): Same and insert layered SCoP
2044         detection.
2045         (try_generate_gimple_bb): Cleanup.
2046         (build_scops): Enable data references.
2047
2048         * testsuite/gcc.dg/graphite/id-5.c: New.
2049         * testsuite/gcc.dg/graphite/id-9.c: New.
2050         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2051         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2052
2053 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2054
2055         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2056         that we have not yet built for this SCoP.
2057
2058 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2059
2060         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2061         for complex numbers.
2062
2063 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2064
2065         * graphite-ppl.c: Fix build if cloog is not available.
2066
2067 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2068
2069         * tree-parloops.c (loop_parallel_p): Remove construction of
2070         NITER and REDUCTION_LIST.
2071         (try_get_loop_niter): New.
2072         (try_create_reduction_list): New.
2073         (parallelize_loops): Bypass the failed checkings in autopar
2074         when can_be_parallel in loop structure is set to true.
2075
2076 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2077
2078         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2079         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2080
2081 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2082
2083         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2084         Enable EQ_EXPR and NE_EXPR again.
2085
2086 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2087
2088         * graphite-scop-detection.c (graphite_can_represent_scev):
2089         Add check if scev is affine multivariate.
2090         (harmful_stmt_in_bb): Check if we can represent the conditions.
2091         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2092         harmful_stmt_in_bb.
2093         * testsuite/gcc.dg/graphite/id-7.c: New.
2094
2095 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2096
2097         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2098         Check all bbs in region, not only the bbs that are represented in
2099         GRAPHITE.
2100         (build_poly_scop): Add newline.
2101         * testsuite/gcc.dg/graphite/id-8.c: New.
2102
2103 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2104
2105         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2106         when loop initialize.
2107         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2108         * common.opt: Declare flag_graphite_force_parallel.
2109         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2110         loop parallel.
2111         * graphite-poly.c (apply_poly_transforms): Introduce
2112         flag_graphite_force_parallel.
2113         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2114         * toplev.c (process_options): ditto and replace a not correctly
2115         encoded space.
2116
2117 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2118
2119         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2120         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2121         to the redefinition.
2122         (compute_cloog_iv_types_1): ditto.
2123         (build_iv_mapping): ditto.
2124         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2125         initialization.
2126         (free_gimple_bb): Removed GBB_LOOPS related free part.
2127         (build_bb_loops): Removed.
2128         * sese.h (struct gimple_bb): Removed loops.
2129         (GBB_LOOPS): Removed.
2130         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2131         (gbb_loop_index): ditto.
2132
2133 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2134
2135         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2136         allow non constant strides.
2137         * testsuite/gcc.dg/graphite/scop-20.c: New.
2138
2139 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-scop-detection.c (dot_all_scops): Fix system call
2142         return value warning.
2143         (dot_scop): Same.
2144
2145 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2146
2147         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2148         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2149
2150 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2151
2152         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2153         build_pairwise_constraint, dr_equality_constraints,
2154         build_pairwise_scheduling_equality,
2155         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2156         build_lexicographically_gt_constraint, dependence_polyhedron,
2157         graphite_legal_transform_dr, graphite_legal_transform_bb,
2158         graphite_legal_transform): New.
2159         * graphite-poly.h (graphite_legal_transform): Declared.
2160         * graphite-sese-to-poly.c (build_poly_scop): Call to
2161         graphite_legal_transform is disabled for the moment.
2162
2163 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2164
2165         * graphite-poly.h (pbb_nb_scattering_dims): New.
2166         (pbb_nb_scattering): Use it.
2167
2168 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2171         Pointset_Powerset version of ppl_insert_dimensions.
2172         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2173
2174 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2175
2176         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2177
2178 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2179
2180         * graphite-poly.h: Fix comment.
2181
2182 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2185
2186 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2187
2188         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2189         statements.
2190
2191 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2192
2193         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2194         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2195         conditions.
2196
2197 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2198
2199         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2200         handle EQ_EXPR and NE_EXPR.
2201
2202 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2203
2204         * graphite-poly.h (poly_dr): Fix comment.
2205
2206 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2207             Tobias Grosser  <grosser@fim.uni-passau.de>
2208
2209         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2210         with a zero dimension polyhedron.
2211         (find_scop_parameters): Move the call to scop_set_nb_params here.
2212         (build_loop_iteration_domains): Store in loop->aux the iteration
2213         domain polyhedron.
2214         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2215         by any loop in scop.
2216         (build_poly_scop): Do not call scop_set_nb_params.
2217
2218 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2219             Tobias Grosser  <grosser@fim.uni-passau.de>
2220
2221         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2222         add_condition_to_domain not GT_EXPR.
2223
2224 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2225
2226         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2227         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2228         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2229         upper_bound_assign to calculate unions.
2230         * testsuite/gcc.dg/graphite/id-6.c: New.
2231
2232 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2233
2234         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2235         handle abnormal edges.
2236
2237 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2238
2239         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2240         (free_poly_bb): Also free poly_drs.
2241         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2242         (poly_dr): Polyhedron to Pointset_Powerset.
2243         (pdr_accessp_nb_subscripts): Same.
2244         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2245         poly_drs.
2246
2247 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2250         names into more meaningful names.
2251
2252 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2253
2254         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2255         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2256
2257 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2258
2259         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2260         the reduction_list.
2261         * tree-parloops.c (rewrite_phi_with_iv): New.
2262         (rewrite_all_phi_nodes_with_iv): New.
2263         (canonicalize_loop_ivs): Call them.
2264
2265 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2266
2267         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2268         graphite_find_data_references_in_stmt.
2269         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2270         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2271
2272 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2275
2276 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2277
2278         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2279         instead of bb_in_region.
2280         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2281         (build_sese_conditions): Use flag_bb_in_sese.
2282         * sese.c (register_bb_in_sese): Removed.
2283         (new_sese): Remove initialization of SESE_REGION_BBS.
2284         (free_sese): Do not free SESE_REGION_BBS.
2285         * sese.h (struct sese): Remove field region_basic_blocks.
2286         (SESE_REGION_BBS): Removed.
2287         (bb_in_sese_p): Implement in function of bb_in_region.
2288
2289 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2290
2291         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2292         loops.
2293
2294 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2295
2296         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2297         and EQ_EXPR.
2298         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2299         (add_condition_to_domain): New.
2300         (add_condition_to_pbb): New.
2301         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2302         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2303
2304 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2305
2306         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2307         ppl_Pointset_Powerset.
2308         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2309         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2310         (pbb_nb_loops): Same.
2311         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2312         add_conditions_to_domain): Same.
2313         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2314         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2315         ppl_const_Polyhedron_t.
2316         (ppl_print_powerset_matrix): New.
2317         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2318         ppl_print_powerset_matrix): New.
2319         (ppl_print_polyhedron_matrix): Updated.
2320
2321 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2322
2323         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2324
2325 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2326
2327         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2328         (print_iteration_domains, debug_iteration_domain,
2329         debug_iteration_domains): New.
2330         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2331         debug_iteration_domains): Declared.
2332         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2333         indenting.
2334
2335 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2336             Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * graphite-poly.h (print_iteration_domain): New.
2339         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2340         (build_sese_conditions_1, build_sese_conditions_after,
2341         build_sese_conditions_before): New.
2342         (build_sese_conditions): Rewritten.
2343
2344 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2345             Tobias Grosser  <grosser@fim.uni-passau.de>
2346
2347         Cleanup of code generation liveouts.
2348         * graphite-clast-to-gimple.c (translate_clast): Use a single
2349         rename_map instead of one per translated statement.
2350         Do not use SESE_LIVEOUT_RENAMES.
2351         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2352         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2353         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2354         phi node of a reduction: when a loop contains a reduction used outside
2355         the loop, there should be a scalar close phi node on the exit block.
2356         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2357         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2358         (free_sese): Do not free them.
2359         (sese_build_liveouts_use): Do not use them.
2360         (sese_build_liveouts_bb): Same.
2361         (sese_build_liveouts): Same.
2362         (sese_insert_phis_for_liveouts): Same.
2363         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2364         (defined_in_loop_p): New.
2365         (alive_after_loop): New.
2366         (close_phi_not_yet_inserted_p): New.
2367         (struct alep, alep_p): New.
2368         (add_loop_exit_phis): Remove from the rename_map all the names defined
2369         in the code generated loop.
2370         (insert_loop_close_phis): Traverse the rename_map passed to it.
2371         Don't use SESE_LIVEOUT_RENAMES.
2372         (default_liveout_before_guard): Renamed default_before_guard.
2373         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2374         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2375         (register_sese_liveout_renames): Removed.
2376         (copy_bb_and_scalar_dependences): Do not call it.
2377         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2378         reduction_list.
2379         (SESE_LIVEOUT): Removed.
2380         (SESE_LIVEOUT_RENAMES): Removed.
2381         (SESE_REDUCTION_LIST): Removed.
2382         (sese_build_liveouts): Removed.
2383         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2384         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2385         (insert_guard_phis): Same.
2386         (rename_map_elt): Declare a VEC of them.
2387         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2388         trees not pointers to trees.
2389
2390         Rewrite in canonical close SSA form:
2391         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2392         (limit_scops): Close the scop after the block containing the close phi
2393         nodes.
2394         (canonicalize_loop_closed_ssa): New.
2395         (canonicalize_loop_closed_ssa_form): New.
2396         (build_scops): Call canonicalize_loop_closed_ssa_form.
2397
2398         * graphite-sese-to-poly.c: Fix typos.
2399
2400 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2401
2402         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2403         Extended.
2404         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2405         (print_pbb): Add conditions.
2406
2407 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2408             Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2411         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2412         (build_scop_bbs_1): New.
2413         (build_scop_bbs): Rewrite.
2414         * sese.h (bb_in_region): New.
2415
2416 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2417
2418         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2419         poly_drs vector.
2420         (print_scop): Style.
2421         * graphite-poly.h (poly_bb): Add drs vector.
2422         (PBB_DRS): Add accessor.
2423         * graphite-sese-to-poly.c (build_poly_dr): New.
2424         (build_pbb_drs, build_scop_drs): New.
2425         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2426
2427 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2428
2429         * tree-ssa-loop.c: Include forgotten toplev.h
2430
2431 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2432
2433         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2434         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2435         * testsuite/gcc.dg/graphite/pr37928.c: Same
2436         * testsuite/gcc.dg/graphite/pr38409.c: Same
2437         * testsuite/gcc.dg/graphite/pr38498.c: Same
2438         * testsuite/gcc.dg/graphite/pr38559.c: Same
2439         * testsuite/gcc.dg/graphite/pr39335.c: Same
2440         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2441         * testsuite/gfortran.dg/graphite/block-2.f: Same
2442         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2443         with -floop-*.
2444
2445 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2446
2447         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2448         build_access_matrix, build_scop_data_accesses): Remove access function
2449         building. (We get a new version soon).
2450         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2451         * sese.h (nb_loops_around_loop_in_sese): Remove.
2452         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2453
2454 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2455             Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite-scop-detection.c (struct scopdet_info): Rename last
2458         field to exit.
2459         (scopdet_basic_block_info, build_scops_1): Don't use
2460         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2461
2462 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2463             Sebastian Pop  <sebastian.pop@amd.com>
2464
2465         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2466         * sese.c (sese_build_liveouts_use): Renamed from
2467         sese_build_livein_liveouts_use. Remove liveins.
2468         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2469         Call sese_build_liveouts_use.
2470         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2471         Call sese_build_liveouts_bb.
2472         (new_sese, free_sese): Remove liveins.
2473         (sese_add_exit_phis_var): Deleted.
2474         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2475         directly.
2476         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2477
2478         * sese.h (sese): Remove num_ver and livein.
2479         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2480
2481 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2482
2483         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2484
2485 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2486
2487         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2488         (build_scop_scattering): Do not use compare_prefix_loops any more.
2489         (nb_common_loops): New.
2490
2491 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2494         (register_old_and_new_names): Renamed set_rename.
2495
2496 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2499         of the decl from the previous commit.
2500
2501 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2502
2503         * graphite-scop-detection.c (dot_scop): New.
2504         * graphite-scop-detection.h (dot_scop): Declared.
2505
2506 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2507
2508         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2509
2510 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2511
2512         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2513         condition at the end of the loop.
2514         * graphite.c (graphite_initialize, graphite_finalize): Print to
2515         dump_file the compiled function.
2516         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2517         of create_empty_loop_on_edge.
2518         (translate_clast): Update the code generation of loops for the new
2519         shape of loops.
2520         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2521
2522 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2523
2524         Reverted the patch from 2009-03-19.
2525
2526 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2527
2528         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2529         poly_drs vector.
2530         (print_scop): Style.
2531         * graphite-poly.h (poly_bb): Add drs vector.
2532         (PBB_DRS): Add accessor.
2533         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2534         (build_access_matrix_with_af, build_access_matrix,
2535         build_scop_data_accesses): Delete.
2536         (build_poly_dr): New.
2537         (build_pbb_drs, build_scop_drs): New.
2538         (build_poly_scop): call build_scop_drs.
2539
2540 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2541
2542         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2543         once per basic block.
2544
2545 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2546
2547         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2548         (graphite_can_represent_expr): Renamed from loop_affine_expr
2549         and enhanced.
2550         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2551         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2552         (scopdet_basic_block_info): Actually define entry_block.
2553         (stmt_simple_memref_p): Moved here from ...
2554
2555         * tree-data-ref.c (stmt_simple_memref_p): here.
2556         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2557
2558 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2559
2560         * testsuite/gcc.dg/graphite/id-4.c: New.
2561
2562 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2563
2564         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2565         (register_old_and_new_names): Update the content of the map.
2566         When there was already a rename_map_elt in the map at that
2567         location, free it.
2568         (copy_bb_and_scalar_dependences): Do rename_variables after
2569         expand_scalar_variables.
2570         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2571         of the map.  When there was already a rename_map_elt in the
2572         map at that location, free it.
2573         (translate_clast): Pass the rename_map.  Do not initialize and free
2574         a rename_map per stmt_user.
2575         (gloog): Initialize and free one rename_map and pass it to
2576         translate_clast.
2577
2578 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * sese.c (expand_scalar_variables_stmt,
2581         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2582         parameter.
2583         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2584         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2585         the gimple_stmt_iterator of the statement to be expanded.
2586         * graphite-scop-detection.c (is_simple_operand): Do handle
2587         REALPART_EXPR.
2588
2589 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2590
2591         * graphite-scop-detection.c (is_simple_operand): Do not handle
2592         REALPART_EXPR.
2593         * testsuite/gcc.dg/graphite/id-2.c: New.
2594
2595         * graphite-sese-to-poly.c (build_bb_loops,
2596         add_value_to_dim, scan_tree_for_params_right_scev,
2597         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2598         find_params_in_bb, build_loop_iteration_domains,
2599         add_conditions_to_domain): Remove subtract.
2600
2601 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2602
2603         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2604         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2605         pbb_loop_at_index -> gbb_loop_at_index.
2606         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2607         (debug_loop_vec): Delete.
2608         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2609         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2610         (PBB_LOOPS): Removed.
2611         (PBB_BLACK_BOX): Insert cast.
2612         (pbb_set_black_box): New setter.
2613         (pbb_loop_at_index, pbb_loop_index): Removed.
2614         (scop_set_region, scop_set_nb_params): New.
2615         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2616         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2617         (build_poly_scop): Use scop_set_nb_params.
2618         * sese.h (gimple_bb): Add LOOPS.
2619         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2620
2621 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2622
2623         Revert previous commit.
2624
2625 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2628         (register_old_and_new_names): Update the content of the map.
2629         When there was already a rename_map_elt in the map at that
2630         location, free it.
2631         (copy_bb_and_scalar_dependences): Do rename_variables after
2632         expand_scalar_variables.
2633         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2634         of the map.  When there was already a rename_map_elt in the
2635         map at that location, free it.
2636         (translate_clast): Pass the rename_map.  Do not initialize and free
2637         a rename_map per stmt_user.
2638         (gloog): Initialize and free one rename_map and pass it to
2639         translate_clast.
2640
2641 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2642
2643         Remove forgotten line in revert.
2644
2645 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         Revert previous commit.
2648
2649 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * sese.c (register_old_and_new_names): Update the content
2652         of the map.  When there was already a rename_map_elt in the
2653         map at that location, free it.
2654         (copy_bb_and_scalar_dependences): Do rename_variables after
2655         expand_scalar_variables.
2656         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2657         of the map.  When there was already a rename_map_elt in the
2658         map at that location, free it.
2659         (translate_clast): Pass the rename_map.  Do not initialize and free
2660         a rename_map per stmt_user.
2661         (gloog): Initialize and free one rename_map and pass it to
2662         translate_clast.
2663
2664 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2665
2666         * graphite-clast-to-gimple.c (translate_clast): context_loop
2667         is never NULL.
2668
2669 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2670             Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2673         of the use of ppl_Polyhedron_map_space_dimensions.
2674
2675 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2676             Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2679         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2680         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2681         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2682         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2683         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2684         pbb_nb_params): New.
2685         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2686         nb_loops_around_pbb): Adapt return types.
2687
2688 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2689
2690         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2691         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2692         graphite-scop-detection.o, graphite-poly.o): Add
2693         more headers.
2694
2695 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2696
2697         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2698         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2699         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2700
2701 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2702
2703         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2704         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2705         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2706         * testsuite/gcc.dg/graphite/block-0.c: Same.
2707         * testsuite/gcc.dg/graphite/block-1.c: Same.
2708         * testsuite/gcc.dg/graphite/block-2.c: Same.
2709         * testsuite/gcc.dg/graphite/block-3.c: Same.
2710         * testsuite/gcc.dg/graphite/block-4.c: Same.
2711         * testsuite/gcc.dg/graphite/block-5.c: Same.
2712         * testsuite/gcc.dg/graphite/block-6.c: Same.
2713         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2714         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2715         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2716         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2717         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2718         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2719         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2720         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2721         * opts.c: Remove -floop-block from -O2.
2722         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2723         -floop-strip-mine are used.
2724
2725 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2726             Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2729         dimensions.
2730         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2731         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2732         strip_mine_profitable_p, is_interchange_valid,
2733         graphite_trans_bb_block, graphite_trans_loop_block,
2734         graphite_trans_scop_block): Temporary removed.
2735         (extend_scattering, unify_scattering_dimensions): New.
2736         (print_scattering_function, graphite_read_transforms):
2737         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2738         (graphite_generate_scattering_fns): Removed.
2739         (apply_poly_transforms): Cleanup.
2740         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2741         (schedule_to_scattering): Moved.
2742         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2743         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2744         (pbb_nb_scattering): New.
2745         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2746         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2747         Removed.
2748         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2749         shift_poly.
2750         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2751         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2752         -> PBB_TRANSFORMED_SCATTERING.
2753         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2754         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2755         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2756         (check_poly_representation): Do not return bool.
2757         (graphite_transform_loops): Reformat.
2758         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2759
2760 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2761
2762         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2763         debug_pbb_domain, debug_pbb, debug_scop): New.
2764         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2765         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2766
2767 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         PR middle-end/39335
2770         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2771         when the type precision of the induction variable should be
2772         larger than the type precision of nit.
2773         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2774         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2775         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2776
2777         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2778         * testsuite/gcc.dg/graphite/pr39335.c: New.
2779
2780 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2783         SSA_NAMES not struct reduction_info.
2784
2785 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2788
2789 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2790             Tobias Grosser  <grosser@fim.uni-passau.de>
2791
2792         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2793         (free_sese): Free SESE_REDUCTION_LIST.
2794         * sese.h (struct sese): Add field reduction_list.
2795         (SESE_REDUCTION_LIST): New.
2796         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2797         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2798
2799 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2800             Tobias Grosser  <grosser@fim.uni-passau.de>
2801
2802         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2803         of loop_p.
2804
2805 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2806             Tobias Grosser  <grosser@fim.uni-passau.de>
2807
2808         * tree-parloops.c (struct brli, build_reduction_list_info,
2809         analyze_reduction_list, gather_scalar_reductions): New.
2810         (loop_parallel_p): Build a reduction list containing only
2811         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2812         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2813         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2814         * tree-flow.h (gather_scalar_reductions): Declared.
2815
2816 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2817
2818         PR middle-end/39308
2819         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2820         number_of_iterations_exit from a gcc_assert.
2821
2822 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2823             Jan Sjodin  <jan.sjodin@amd.com>
2824
2825         * output.h (graphite_out_file, graphite_in_file): Declared.
2826         * toplev.c (graphite_out_file, graphite_in_file): New.
2827         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2828         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2829         Don't call schedule_to_scattering.
2830         * common.opt (fgraphite-write, fgraphite-read): New.
2831         * graphite-poly.c: Include output.h.
2832         (print_scattering_function, print_scattering_functions,
2833         debug_scattering_function, debug_scattering_functions,
2834         graphite_write_transforms, graphite_read_transforms,
2835         graphite_generate_scattering_fns): New.
2836         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2837         Call graphite_generate_scattering_fns, graphite_write_transforms,
2838         graphite_read_transforms.
2839         (new_poly_bb): Initialize PBB_SCATTERING.
2840         (free_poly_bb): Free PBB_SCATTERING.
2841         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2842         * graphite-poly.h (struct poly_bb): Add field scattering.
2843         (PBB_SCATTERING): New.
2844         (print_scattering_function, print_scattering_functions,
2845         debug_scattering_function, debug_scattering_functions): Declared.
2846         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2847         GMP values, not integers!
2848         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2849         ppl_read_polyhedron_matrix): New.
2850         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2851         debug_ppl_polyhedron_matrix,
2852         ppl_read_polyhedron_matrix): Declared.
2853         * Makefile.in (graphite-poly.o): Depends on output.h.
2854
2855 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2856             Tobias Grosser  <grosser@fim.uni-passau.de>
2857
2858         Revert this change:
2859         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2860         scalar evolutions in the scop_entry->loop_father.
2861
2862 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2863             Tobias Grosser  <grosser@fim.uni-passau.de>
2864
2865         * graphite.h (ref_nb_loops): Remove declaration.
2866         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2867         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2868         debug_gbb): Moved to sese.h.
2869         * sese.h: As said.
2870
2871 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2872             Tobias Grosser  <grosser@fim.uni-passau.de>
2873
2874         * graphite-data-ref.[ch]: Disable.
2875
2876 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2877             Tobias Grosser  <grosser@fim.uni-passau.de>
2878
2879         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2880         scalar evolutions in the scop_entry->loop_father.
2881
2882 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2885         (graphite_cannot_represent_loop_niter): Renamed
2886         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2887         (limit_scops): build_sese_loop_nests does not return a bool.
2888         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2889         * sese.c (nb_reductions_in_loop): ... from here.
2890         (graphite_loop_normal_form): ... from here.
2891         (sese_record_loop): Does not fail, so does not return a bool.
2892         (build_sese_loop_nests): Same.
2893         * sese.h (build_sese_loop_nests): Update declaration.
2894         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2895         (build_graphite_loop_normal_form): New.
2896         (gloog): Call build_graphite_loop_normal_form.
2897         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2898         build_sese_loop_nests.
2899
2900         * testsuite/gcc.dg/graphite/id-1.c: New.
2901
2902 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2903             Tobias Grosser  <grosser@fim.uni-passau.de>
2904
2905         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2906         The SCoP detection fix is sufficient.
2907
2908 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         PR tree-optimization/39260
2911         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2912         the basic block contains a condition with a real type.
2913         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2914
2915         * gcc.dg/graphite/pr39260.c: New.
2916
2917 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * graphite-poly.c: Inlcude params.h.
2920         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2921         the size of a tile.
2922         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2923         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2924
2925 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2926             Tobias Grosser  <grosser@fim.uni-passau.de>
2927
2928         * graphite-scop-detection.c (dot_all_scops_1,
2929         dot_all_scops): Moved here.
2930         * graphite-scop-detection.h (dot_all_scops): Declared here.
2931         * graphite.c (graphite_initialize, graphite_finalize): New.
2932         (graphite_transform_loops): Cleaned up.
2933         * sese.c (debug_oldivs): Moved here.
2934         * graphite-poly.c (graphite_apply_transformations): Renamed
2935         apply_poly_transforms.
2936         (debug_loop_vec): Moved here.
2937         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2938         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2939         find_scop_parameters, build_scop_iteration_domain,
2940         add_conditions_to_constraints, build_scop_canonical_schedules,
2941         build_scop_data_accesses): Now static.
2942         (build_poly_scop, check_poly_representation): New.
2943
2944 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2945
2946         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2947         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2948         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2949         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2950         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2951         scan_tree_for_params, struct irp_data, dx_record_params,
2952         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2953         build_loop_iteration_domains, add_conditions_to_domain,
2954         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2955         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2956         build_sese_conditions, add_conditions_to_constraints,
2957         build_scop_iteration_domain, build_access_matrix_with_af,
2958         build_access_matrix,
2959         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2960
2961         * graphite-sese-to-poly.c: New.
2962         * graphite-sese-to-poly.h: New.
2963
2964         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2965
2966 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * graphite.c: Split graphite code generation to a new file.
2969         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2970         max_precision_type, clast_to_gcc_expression_red,
2971         clast_to_gcc_expression, gcc_type_for_clast_expr,
2972         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2973         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2974         graphite_create_new_guard, clast_get_body_of_loop,
2975         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2976         graphite_create_new_loop, build_iv_mapping, copy_renames,
2977         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2978         compute_cloog_iv_types, free_scattering, save_var_name,
2979         initialize_cloog_names, build_scop_context, build_cloog_prog,
2980         set_cloog_options, debug_clast_stmt, scop_to_clast,
2981         print_generated_program, debug_generated_program,
2982         gloog): Moved to graphite-clast-to-gimple.c.
2983
2984         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2985
2986         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2987         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2988         loop_iv_stack_pop, loop_iv_stack_get_iv,
2989         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2990         free_loop_iv_stack, loop_iv_stack_remove_constants,
2991         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2992         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2993         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2994         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2995         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2996         get_vdef_before_sese, sese_adjust_vphi,
2997         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2998         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2999         is_iv, expand_scalar_variables_ssa_name,
3000         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3001         expand_scalar_variables, rename_variables, remove_condition,
3002         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3003         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3004         default_liveout_before_guard, add_guard_exit_phis,
3005         insert_guard_phis, register_old_and_new_names,
3006         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3007         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3008         if_region_set_false_region, create_if_region_on_edge,
3009         move_sese_in_condition): Moved to sese.c.
3010
3011         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3012         if_region_exit, if_region_get_condition_block,
3013         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3014         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3015         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3016         ivtype_map_elt, new_ivtype_map_elt,
3017         recompute_all_dominators): Moved to sese.h.
3018
3019         * graphite-clast-to-gimple.c: New.
3020         * graphite-clast-to-gimple.h: New.
3021         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3022         * sese.c: Modified as said above.
3023         * sese.h: Same.
3024
3025 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite.c: Split scop detection to a new file.
3028         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3029         move_sd_regions, loop_affine_expr, exclude_component_ref,
3030         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3031         graphite_cannot_represent_loop_niter, struct scopdet_info,
3032         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3033         find_single_entry_edge, find_single_exit_edge,
3034         create_single_entry_edge, sd_region_without_exit,
3035         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3036         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3037         Moved to graphite-scop-detection.c.
3038
3039         * graphite-scop-detection.c: New.
3040         * graphite-scop-detection.h: New.
3041         * Makefile.in: Add new rule for graphite-scop-detection.o.
3042
3043         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3044         tree-scalar-evolution.h.
3045         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3046         build_sese_loop_nests): Moved here from graphite.c.
3047         (param_index): Renamed parameter_index_in_region.
3048
3049 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3050             Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * gcc.dg/graphite/block-0.c: Expected to fail now.
3053         * gcc.dg/graphite/block-1.c: Same.
3054         * gcc.dg/graphite/block-5.c: Same.
3055         * gcc.dg/graphite/block-6.c: Same.
3056
3057 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3058             Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * graphite.h: Separate from graphite_bb_p the polyhedral
3061         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3062         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3063         graphite-data-ref.h.
3064         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3065         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3066         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3067         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3068         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3069         scop_nb_params): Moved to graphite-poly.h.
3070         * graphite-data-ref.c: Same.
3071         * graphite-data-ref.h: New.
3072         * graphite.c: Same.
3073         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3074         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3075         is_interchange_valid, graphite_trans_bb_block,
3076         graphite_trans_loop_block, scop_max_loop_depth,
3077         graphite_trans_scop_block, graphite_apply_transformations,
3078         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3079         graphite-poly.c.
3080         * graphite-poly.h: New.
3081         * graphite-poly.c: New.
3082         * Makefile.in (OBJS-common): Add graphite-poly.o.
3083         (graphite-poly.o): New rule.
3084         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3085         (DR_SCOP): Removed.
3086
3087 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3088             Tobias Grosser  <grosser@fim.uni-passau.de>
3089
3090         * graphite.c: Replace gb -> gbb.
3091         * graphite.h: Same.
3092         * graphite-data-ref.c: Same.
3093
3094 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3095             Tobias Grosser  <grosser@fim.uni-passau.de>
3096
3097         * Makefile.in (OBJS-commmon): Add sese.o.
3098         (sese.o): New.
3099         (graphite.o): Add sese.h.
3100         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3101         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3102         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3103         Move to sese.
3104         (block_before_scop): Add missing return.
3105         (new_scop, free_scop): Remove SESE data structures.
3106         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3107         find_scop_parameters, build_loop_iteration_domains,
3108         add_conditions_to_domain, register_scop_liveout_renames,
3109         copy_bb_and_scalar_dependences): Scop -> SESE.
3110
3111         (add_conditions_to_domain): SCoP -> SESE and remove check
3112         (scop_contains_non_iv_scalar_phi_nodes): New.
3113         (build_scop_conditions_1, build_scop_conditions): Remove check for
3114         non iv scalar phi nodes.
3115         (print_scop_statistics): New.
3116         (graphite_transform_loops): Cleanup.
3117
3118         * graphite.h: Move to sese & cleanup.
3119         * sese.c: New.
3120         * sese.h: New.
3121
3122 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3123             Tobias Grosser  <grosser@fim.uni-passau.de>
3124
3125         * graphite.c (build_scop_conditions_1): Conditions are only
3126         at the end of a basic block.
3127
3128 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3129             Tobias Grosser  <grosser@fim.uni-passau>
3130
3131         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3132         field.
3133         (GBB_ALPHA): Removed.
3134
3135 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3136             Tobias Grosser  <grosser@fim.uni-passau.de>
3137
3138         * graphite-data-ref.c (graphite_test_dependence): Don't use
3139         GBB_DYNAMIC_SCHEDULE.
3140         * graphite.c (new_graphite_bb): Same.
3141         (free_graphite_bb): Same.
3142         (build_scop_dynamic_schedules): Removed.
3143         (graphite_transform_loops): Don't call it.
3144         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3145         (GBB_DYNAMIC_SCHEDULE): Removed.
3146
3147 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3148             Tobias Grosser  <grosser@fim.uni-passau.de>
3149
3150         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3151         (print_graphite_bb): Same.
3152         (build_cloog_prog): Same.
3153
3154 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3155             Tobias Grosser  <grosser@fim.uni-passau.de>
3156
3157         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3158
3159 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3160             Tobias Grosser  <grosser@fim.uni-passau.de>
3161
3162         * graphite.c (build_scop_context): Don't use CloogMatrix.
3163         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3164         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3165
3166 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3167             Tobias Grosser  <grosser@fim.uni-passau.de>
3168
3169         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3170         liveout_renames, add_params fields...
3171         (struct sese): ... here.
3172         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3173         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3174
3175 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3176             Tobias Grosser  <grosser@fim.uni-passau.de>
3177
3178         * graphite.c (print_scop): Do not print the CLooG program.
3179         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3180         build_cloog_prog, gloog): Don't use SCOP_PROG.
3181         (find_transform): Renamed scop_to_clast.
3182         (print_generated_program, debug_generated_program): New.
3183         (graphite_transform_loops): Adapt to new interface.
3184         * graphite.h (struct scop): Remove program field.
3185         (SCOP_PROG): Removed.
3186         (print_generated_program, debug_generated_program): Declared.
3187
3188 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3189
3190         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3191         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3192         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3193         free_graphite_bb, build_scop_canonical_schedules,
3194         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3195         schedules are now represented using a ppl_Linear_Expression_t.
3196         * graphite.h (struct graphite_bb): Same.
3197         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3198         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3199
3200 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * graphite.c: Free local memory.
3203         * graphite-ppl.c: Same.
3204
3205 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3208         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3209         swap_constraint_variables, scale_constraint_variable): Removed.
3210         (graphite_trans_bb_strip_mine): Remove pong.
3211         * graphite-ppl.c: Include missing header files.
3212         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3213         * graphite-ppl.h (ppl_strip_loop): Declared.
3214         * Makefile.in (graphite-ppl.o): Adjust dependences.
3215
3216 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3219         (build_scop_iteration_domain): Same.
3220
3221 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3222
3223         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3224         ping pong.
3225         (add_value_to_dim, scan_tree_for_params_right_scev,
3226         scan_tree_for_params_int): New.
3227         * graphite-ppl.c (oppose_constraint): New.
3228         (insert_constraint_into_matrix): Implement missing cases.
3229         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3230
3231 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3234         use ppl_move_dimension.
3235
3236 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3239         * graphite.c: Same.
3240         * graphite.h: Same.
3241         * graphite-ppl.c: Same.
3242         * graphite-ppl.h: Same.
3243
3244 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         Revert last 3 commits.
3247
3248 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3249
3250         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3251         ping pong.
3252         (add_value_to_dim, scan_tree_for_params_right_scev,
3253         scan_tree_for_params_int): New.
3254         * graphite-ppl.c (oppose_constraint): New.
3255         (insert_constraint_into_matrix): Implement missing cases.
3256         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3257
3258 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3261
3262 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3263             Tobias Grosser  <grosser@fim.uni-passau.de>
3264
3265         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3266         use ppl_move_dimension.
3267         * graphite-ppl.c (ppl_move_dimension): New.
3268         * graphite-ppl.h (ppl_move_dimension): Declared.
3269
3270 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite.c: Do not include cloog/cloog.h.
3273         (print_graphite_bb): Remove ping pong, call PPL print function.
3274
3275 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3276
3277         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3278         (graphite.o): Add dependence on graphite-ppl.h.
3279         (graphite-ppl.o): New.
3280         (graphite-data-ref.c): Ping pong between PPL data structures
3281         and matrices.
3282         * graphite-ppl.c: New.
3283         * graphite-ppl.h: New.
3284         * graphite.c: Include graphite-ppl.h.
3285         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3286         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3287         Ping pong between PPL data structures and matrices.
3288         (new_graphite_bb): Create a PPL constraint system.
3289         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3290         (build_loop_iteration_domains): Use PPL functions.
3291         * graphite.h: Include graphite-ppl.h.  Fix comments.
3292         (graphite_bb): Use a ppl_Constraint_System_t instead of
3293         CloogMatrix for representing the domain.
3294         (scop): Remove static_schedule.
3295         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3296
3297 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite.c: Fix some comments.
3300
3301 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         PR middle-end/38953
3304         * graphite.c (if_region_set_false_region): After moving a region
3305         in the false branch of a condition, remove the empty dummy
3306         basic block.
3307         (gloog): Remove wrong fix for PR38953.
3308
3309 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3310
3311         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3312         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3313         register_bb_in_sese, new_sese, free_sese): Moved.
3314         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3315         outermost_loop_in_scop, build_scop_iteration_domain,
3316         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3317         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3318         Use loop_in_sese_p instead of loop_in_scop_p.
3319         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3320         (free_scop): Do not free SCOP_BBS_B.
3321         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3322         ref_nb_loops): Moved here...
3323         * graphite.h (ref_nb_loops): ... from here.
3324         (struct scop): Remove bbs_b bitmap.
3325         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3326         * testsuite/gcc.dg/graphite/scop-19.c: New
3327
3328 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3329
3330         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3331         detection.
3332
3333 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3334
3335         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3336         eq_loop_to_cloog_loop): Remove.
3337         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3338         * graphite.h (struct scop): Remove loop2cloog_loop.
3339         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3340
3341 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3342
3343         * opts.c (decode_options): Only add graphite options to O2
3344         if we compile with graphite enabled.
3345
3346 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * Merge from mainline (r143163:143684).
3349
3350 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3351
3352         * graphite.c (debug_value): Removed.
3353         * graphite.h (debug_value): Removed.
3354
3355 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3358         after graphite: pass_copy_prop does not maintain a proper loop closed
3359         SSA form.  pass_copy_prop should be fixed.
3360
3361 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3364
3365 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3366
3367         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3368         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3369         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3370         changed the CFG.
3371
3372 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * graphite.c (gloog): Return true when code gen succeeded.
3375         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3376         the code of the function did not changed.  After cleanup_tree_cfg
3377         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3378         form.
3379
3380 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3383         gimple_call_lhs is NULL.
3384
3385 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3386             Tobias Grosser  <tobi.grosser@amd.com>
3387
3388         * graphite.c (graphite_trans_scop_block): Do not block single
3389         nested loops.
3390
3391 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3392             Tobias Grosser  <tobi.grosser@amd.com>
3393
3394         * graphite.c (build_scop_canonical_schedules): Start schedules at
3395         zero.
3396
3397 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3398             Tobias Grosser  <tobi.grosser@amd.com>
3399
3400         * graphite.c (compare_prefix_loops): New.
3401         (build_scop_canonical_schedules): Rewritten.
3402         (graphite_transform_loops): Move build_scop_canonical_schedules
3403         after build_scop_iteration_domain.
3404
3405 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3406             Tobias Grosser  <tobi.grosser@amd.com>
3407
3408         * graphite.c (add_conditions_to_domain): Add the loops to
3409         the dimension of the iteration domain.  Do copy the domain
3410         only when it exists.
3411         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3412         (add_conditions_to_constraints): New.
3413         (can_generate_code_stmt, can_generate_code): Removed.
3414         (gloog): Do not call can_generate_code.
3415         (graphite_transform_loops): Call add_conditions_to_constraints
3416         after building the iteration domain.
3417
3418 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3419             Tobias Grosser  <tobi.grosser@amd.com>
3420             Jan Sjodin  <jan.sjodin@amd.com>
3421
3422         * graphite.c (scan_tree_for_params): On substractions negate
3423         all the coefficients of the term.
3424         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3425         of more than two operands.
3426         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3427         (get_vdef_before_scop): Handle also the case of default definitions.
3428
3429 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         PR middle-end/38431
3432         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3433         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3434         (gloog): Do not call cleanup_tree_cfg.
3435         (graphite_transform_loops): Call cleanup_tree_cfg after all
3436         scops have been code generated.
3437
3438 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3439
3440         * passes.c (init_optimization_passes): Schedule after
3441         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3442
3443 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3444
3445         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3446         Fix comment.
3447         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3448         Set the type of an expression to the type of its assign statement.
3449         (expand_scalar_variables_expr):  Do not pass loop_p.
3450         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3451         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3452         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3453
3454 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3455
3456         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3457         an expression to the gimple_expr_type of its assign statement.
3458         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3459         or tcc_declaration.
3460
3461 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3462
3463         PR tree-optimization/38786
3464         * testsuite/gcc.dg/graphite/pr38786.c: New.
3465         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3466         the SSA_NAME case of expand_scalar_variables_expr.
3467         (expand_scalar_variables_expr): Also gather the scalar computation
3468         used to index the memory access.
3469         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3470         the gimple_stmt_iterator where it inserts new code.
3471
3472 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3473
3474         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3475
3476 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3477
3478         * opts.c (decode_options): Enable flag_graphite_identity and
3479         flag_loop_block in -O2 and above.
3480
3481 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3482
3483         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3484         Fix merge problem: replace with the file from trunk.
3485
3486 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3487
3488         * Merge from mainline (r141727:143163).
3489
3490 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3491             Jan Sjodin  <jan.sjodin@amd.com>
3492
3493         PR tree-optimization/38559
3494         * testsuite/gcc.dg/graphite/pr38559.c: New.
3495
3496         * graphite.c (debug_value, copy_constraint,
3497         swap_constraint_variables, scale_constraint_variable, ): New.
3498         (get_lower_bound, get_upper_bound): Removed.
3499         (graphite_trans_bb_strip_mine): Clean up this code that works
3500         only for constant number of iterations.  Fully copy upper and
3501         lower bound constraints, not only the constant part of them.
3502         * graphite.h (debug_value): Declared.
3503
3504 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3505
3506         PR tree-optimization/38492
3507         PR tree-optimization/38498
3508         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3509         * tree-chrec.h (scev_is_linear_expression): Declared.
3510         * graphite.c (graphite_cannot_represent_loop_niter): New.
3511         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3512         (graphite_loop_normal_form): Use gcc_assert.
3513         (scan_tree_for_params): Use CASE_CONVERT.
3514         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3515         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3516         Use gcc_assert.  Discard scops that contain unhandled cases.
3517         (build_scop_conditions): Return a boolean status for unhandled cases.
3518         (strip_mine_profitable_p): Print the loop number, not its depth.
3519         (is_interchange_valid): Pass the depth of the loop nest, don't
3520         recompute it wrongly.
3521         (graphite_trans_bb_block): Same.
3522         (graphite_trans_bb_block): Print tentative of loop blocking.
3523         (graphite_trans_scop_block): Do not print that the loop has been
3524         blocked.
3525         (graphite_transform_loops): Do not handle scops that contain condition
3526         scalar phi nodes.
3527
3528         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3529         in trunk.
3530         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3531         * testsuite/gcc.dg/graphite/block-1.c: Same.
3532         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3533         blocking.
3534         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3535         * testsuite/gcc.dg/graphite/block-3.c: New.
3536         * testsuite/gcc.dg/graphite/pr38498.c: New.
3537
3538 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3539
3540         PR tree-optimization/38510
3541         * gcc.dg/graphite/pr38510.c: New.
3542         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3543           (translate_clast): Call recompute_all_dominators before
3544           graphite_verify.
3545           (gloog): Call recompute_all_dominators before graphite_verify.
3546
3547 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3548
3549         PR tree-optimization/38492
3550         * graphite.c (rename_map_elt, debug_rename_elt,
3551         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3552         rename_map_elt_info, eq_rename_map_elts,
3553         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3554         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3555         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3556         (sese_build_livein_liveouts): New.
3557         (new_sese, free_sese): New.
3558         (new_scop): Call new_sese.
3559         (free_scop): Call free_sese.
3560         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3561         (register_old_new_names): Renamed register_old_and_new_names.
3562         (register_scop_liveout_renames, add_loop_exit_phis,
3563         insert_loop_close_phis, struct igp,
3564         default_liveout_before_guard, add_guard_exit_phis,
3565         insert_guard_phis, copy_renames): New.
3566         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3567         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3568         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3569         (scop_adjust_phis_for_liveouts): New.
3570         (gloog): Call scop_adjust_phis_for_liveouts.
3571
3572         * graphite.h (struct sese): Documented.  Added fields liveout,
3573         num_ver and livein.
3574         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3575         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3576         (struct scop): Added field liveout_renames.
3577         (SCOP_LIVEOUT_RENAMES): New.
3578
3579 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3580
3581         PR tree-optimization/38409
3582         * gcc.dg/graphite/pr38409.c: New.
3583         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3584
3585 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3586
3587         * graphite.c (gcc_type_for_cloog_iv): By default return
3588         integer_type_node.
3589         (graphite_create_new_loop): Don't fold_convert the already
3590         fold_convert-ed expression.
3591
3592 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3593
3594         PR tree-optimization/38446
3595         * gcc.dg/graphite/pr38446.c: New.
3596         * graphite.c (register_bb_in_sese): New.
3597         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3598         looking at the bbs in the region.
3599         * graphite.h (sese): Add region_basic_blocks pointer set to
3600         structure and initialize at the time of defining new scop.
3601
3602 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3603
3604         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3605         (find_params_in_bb): Do not free data refs.
3606         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3607
3608 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3609
3610         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3611         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3612         * testsuite/gcc.dg/graphite/block-5.c: New.
3613         * testsuite/gcc.dg/graphite/block-6.c: New.
3614         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3615         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3616         * testsuite/gcc.dg/graphite/block-2.c: Same.
3617
3618         * graphite.c (struct ivtype_map_elt): New.
3619         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3620         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3621         gcc_type_for_cloog_iv): New.
3622         (loop_iv_stack_patch_for_consts): Use the type of the induction
3623         variable from the original loop, except for the automatically
3624         generated loops, i.e., in the case of a strip-mined loop, in
3625         which case there is no original loop: in that case just use
3626         integer_type_node.
3627         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3628         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3629         (clast_name_to_gcc): Accept params to be NULL.
3630         (clast_to_gcc_expression): Take an extra parameter for the type.
3631         Convert to that type all the expressions built by this function.
3632         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3633         (graphite_translate_clast_equation): Compute the type of the
3634         clast_equation before translating its LHS and RHS.
3635         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3636         (graphite_create_new_loop): Compute the type of the induction
3637         variable before translating the lower and upper bounds and before
3638         creating the induction variable.
3639         (rename_variables_from_edge, rename_phis_end_scop): New.
3640         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3641         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3642         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3643         compute_cloog_iv_types): New.
3644         (gloog): Call compute_cloog_iv_types before starting the
3645         translation of the clast.
3646
3647         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3648         (GBB_CLOOG_IV_TYPES): New.
3649         (debug_ivtype_map): Declared.
3650         (oldiv_for_loop): New.
3651
3652 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3653
3654         PR middle-end/38459
3655         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3656         (param_index): Assert if parameter is not know after parameter
3657         detection.
3658         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3659         (find_scop_parameters): Mark, that we have finished parameter
3660         detection.
3661         (graphite_transform_loops): Move condition detection before parameter
3662         detection.
3663         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3664         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3665
3666 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3667
3668         * graphite.c (graphite_transform_loops): Always call find_transform ()
3669         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3670         generate code.
3671
3672 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3673
3674         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3675         (print_scop): Ditto.
3676
3677 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3678
3679         PR middle-end/38084
3680         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3681         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3682         regions more than once.
3683
3684 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3687         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3688         when not needed.
3689
3690 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3691
3692         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3693         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3694         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3695         (max_precision_type): New.
3696         (value_clast): Removed.
3697         (clast_to_gcc_expression): Be more careful to types of expressions.
3698         Use max_precision_type and update use of gmp_cst_to_tree.
3699         (graphite_translate_clast_equation): Use max_precision_type.
3700         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3701         use the type of the condition.
3702         (graphite_create_new_loop): Do not use integer_type_node, use the
3703         max_precision_type of lb and ub.
3704
3705 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         * graphite.c (build_scops_1): Initialize open_scop.exit
3708         and sinfo.last.
3709
3710 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * testsuite/gcc.dg/graphite/pr38084.c: New.
3713         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3714         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3715         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3716         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3717         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3718
3719 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3720             Jan Sjodin  <jan.sjodin@amd.com>
3721             Harsha Jagasia  <harsha.jagasia@amd.com>
3722
3723         PR middle-end/37852
3724         PR middle-end/37883
3725         PR middle-end/37928
3726         PR middle-end/37980
3727         PR middle-end/38038
3728         PR middle-end/38039
3729         PR middle-end/38073
3730         PR middle-end/38083
3731         PR middle-end/38125
3732
3733         * testsuite/gcc.dg/graphite/pr38073.c: New.
3734         * testsuite/gcc.dg/graphite/pr37928.c: New.
3735         * testsuite/gcc.dg/graphite/pr37883.c: New.
3736         * testsuite/gcc.dg/graphite/pr38125.c: New.
3737         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3738         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3739         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3740
3741         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3742         the number of detected scops.  Copy exact same test for loop
3743         blocking...
3744         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3745         loops to be blocked as reductions are not handled.
3746         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3747
3748         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3749         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3750         ...here.
3751         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3752         * Makefile.in (graphite.o): Depend on value-prof.h.
3753         (graphite.o-warn): Removed -Wno-error.
3754         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3755         to be a NULL pointer.  Call update_stmt.  Return the newly created
3756         cannonical induction variable.
3757
3758         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3759
3760         * graphite.c: Reimplement the code generation from graphite to gimple.
3761         Include value-prof.h.
3762         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3763         (get_old_iv_from_ssa_name): Removed.
3764         (graphite_stmt_p): New.
3765         (new_graphite_bb): Test for useful statements before building a
3766         graphite statement for the basic block.
3767         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3768         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3769         reason.
3770         (recompute_all_dominators, graphite_verify,
3771         nb_reductions_in_loop, graphite_loop_normal_form): New.
3772         (scop_record_loop): Call graphite_loop_normal_form.
3773         (build_scop_loop_nests): Iterate over all the blocks of the
3774         function instead of relying on the incomplete information from
3775         SCOP_BBS.  Return the success of the operation.
3776         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3777         (add_bb_domains): Removed.
3778         (build_loop_iteration_domains): Don't call add_bb_domains.
3779         Add the iteration domain only to the basic blocks that have been
3780         translated to graphite.
3781         (build_scop_conditions_1): Add constraints only if the basic
3782         block have been translated to graphite.
3783         (build_scop_data_accesses): Completely disabled until data
3784         dependence is correctly implemented.
3785         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3786         (remove_all_edges_1, remove_all_edges): Removed.
3787         (get_new_name_from_old_name): New.
3788         (graphite_rename_variables_in_stmt): Renamed
3789         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3790         Use replace_exp and update_stmt.
3791         (is_old_iv): Renamed is_iv.
3792         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3793         Use replace_exp and update_stmt.
3794         (expand_scalar_variables_expr): Same.  Use the map to get the
3795         new names for the renaming of induction variables and for the
3796         renaming of variables after a basic block has been copied.
3797         (expand_scalar_variables): Same.
3798         (graphite_rename_variables): Renamed rename_variables.
3799         (move_phi_nodes): Removed.
3800         (get_false_edge_from_guard_bb): New.
3801         (build_iv_mapping): Do not insert the induction variable of a
3802         loop in the renaming iv map if the basic block does not belong
3803         to that loop.
3804         (register_old_new_names, graphite_copy_stmts_from_block,
3805         copy_bb_and_scalar_dependences): New.
3806         (translate_clast): Heavily reimplemented: copy basic blocks,
3807         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3808         At each translation step call graphite_verify ensuring the
3809         consistency of the SSA, loops and dominators information.
3810         (collect_virtual_phis, find_vdef_for_var_in_bb,
3811         find_vdef_for_var_1, find_vdef_for_var,
3812         patch_phis_for_virtual_defs): Removed huge hack.
3813         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3814         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3815         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3816         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3817         if_region_get_condition_block, if_region_set_false_region,
3818         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3819         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3820         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3821         rewrite_into_sese_closed_ssa): New.
3822         (gloog): Remove dead code.  Early return if code cannot be
3823         generated.  Call cleanup_tree_cfg once the scop has been code
3824         generated.
3825         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3826         block loops with less than two loops.
3827         (graphite_apply_transformations): Remove the call to
3828         scop_remove_ignoreable_gbbs.
3829         (limit_scops): When build_scop_loop_nests fails, continue on
3830         the next scop.  Fix open_scop.entry.
3831         (graphite_transform_loops): Call recompute_all_dominators: force the
3832         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3833         Call initialize_original_copy_tables and free_original_copy_tables
3834         to be able to copy basic blocks during code generation.
3835         When build_scop_loop_nests fails, continue on next scop.
3836         (value_clast): New union.
3837         (clast_to_gcc_expression): Fix type cast warning.
3838
3839 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3840
3841         * Merge from mainline (r140838:141727).
3842
3843 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3844
3845         PR middle-end/37833
3846
3847         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3848
3849 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3850
3851         PR middle-end/37943
3852
3853         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3854         exits and conditions.
3855         * testsuite/gcc.dg/graphite/pr37943.c: New.
3856
3857 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3858
3859         PR middle-end/37886
3860         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3861
3862 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3863
3864         * doc/invoke.texi: Fix spaces.
3865
3866 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         PR tree-optimization/37891
3869         Reverted last commit.
3870         * graphite.c (create_single_entry_edge): Set
3871         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3872
3873 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3874             Mitul Thakkar  <mitul.thakkar@amd.com>
3875
3876         * graphite.c (create_single_entry_edge): Set
3877         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3878
3879 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3880
3881         * doc/invoke.texi: Add -fgraphite-identity.
3882         * graphite.c (graphite_apply_transformations): Check for
3883         -fgraphite-identity.
3884         * toplev.c (process_options): Add flag_graphite_identity.
3885         * tree-ssa-loop.c: Add flag_graphite_identity.
3886
3887 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         Undo changes from 2008-10-02:
3890         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3891         operand type when copying the operand to a variable of different type.
3892         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3893         with the IV name after increment.
3894
3895 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3896             Harsha Jagasia  <harsha.jagasia@amd.com>
3897
3898         PR tree-optimization/37828
3899         * testsuite/gcc.dg/graphite/pr37828.c: New.
3900         * graphite.c (graphite_trans_loop_block): Do not loop block
3901         single nested loops.
3902
3903 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3904             Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3907         rename_map_elt_info, eq_rename_map_elts): New.
3908         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3909         (expand_scalar_variables_expr): Change parameters.
3910         (expand_scalar_variables_stmt): Same.