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2009-10-06 Sebastian Pop <sebastian.pop@amd.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
4         SCOP_TRANSFORMED_SCHEDULE.
5         (loop_to_lst): New.
6         (scop_to_lst): New.
7         (print_lst): New.
8         (debug_lst): New.
9         * graphite-poly.h (lst_p): New.
10         (struct lst): New.
11         (LST_LOOP_P): New.
12         (LST_LOOP_FATHER): New.
13         (LST_PBB): New.
14         (LST_SEQ): New.
15         (scop_to_lst): Declared.
16         (print_lst): Declared.
17         (debug_lst): Declared.
18         (new_lst_loop): New.
19         (new_lst_stmt): New.
20         (copy_lst): New.
21         (lst_depth): New.
22         (lst_dewey_number): New.
23         (struct scop): Add original_schedule and transformed_schedule fields.
24         (SCOP_ORIGINAL_SCHEDULE): New.
25         (SCOP_TRANSFORMED_SCHEDULE): New.
26         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
27
28 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
29
30         * graphite-dependences.c (reduction_ddr): New.
31         (graphite_legal_transform_bb): Call reduction_ddr.
32         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
33         Initialize PBB_IS_REDUCTION.
34         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
35         (PBB_IS_REDUCTION): New.
36         (new_poly_bb): Update declaration.
37         * graphite-scop-detection.h (build_scop_bbs): Removed.
38         (nb_reductions_in_loop): Removed.
39         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
40         parameter for reductions.
41         (try_generate_gimple_bb): Update call to new_poly_bb.
42         (build_scop_bbs_1): Same.
43         (build_scop_bbs): Same.
44         (gsi_for_phi_node): New.
45         (scalar_close_phi_node_p): Remove gcc_assert.
46         (split_reduction_stmt): New.
47         (is_reduction_operation_p): New.
48         (phi_contains_arg): New.
49         (follow_ssa_with_commutative_ops): New.
50         (detect_commutative_reduction_arg): New.
51         (detect_commutative_reduction_assign): New.
52         (follow_inital_value_to_phi): New.
53         (edge_initial_value_for_loop_phi): New.
54         (initial_value_for_loop_phi): New.
55         (detect_commutative_reduction): New.
56         (translate_scalar_reduction_to_array_for_stmt): New.
57         (insert_copyout): New.
58         (insert_copyin): New.
59         (translate_scalar_reduction_to_array): New.
60         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
61         (rewrite_commutative_reductions_out_of_ssa_loop): New.
62         (rewrite_commutative_reductions_out_of_ssa): New.
63         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
64         * sese.h (split_region_for_bb): New.
65
66         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
67         * gcc.dg/graphite/interchange-1.c: Fix format.
68         * gcc.dg/graphite/interchange-10.c: New.
69
70 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
71
72         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
73         buggy assert.
74
75 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
76
77         * graphite-sese-to-poly.c (scev_analyzable_p): New.
78         (rewrite_cross_bb_scalar_dependence): New.
79         (rewrite_cross_bb_scalar_deps): New.
80         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
81         Call rewrite_cross_bb_scalar_deps.
82
83 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
84
85         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
86         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
87         gsi_for_stmt.
88
89 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
90
91         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
92         * graphite-interchange.c (pbb_do_interchange): Same.
93         * graphite-poly.c (print_scattering_function): Same.
94         (debug_pdrs): Same.
95         * graphite-poly.h (pbb_loop): New.
96         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
97
98 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
99
100         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
101
102 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
103
104         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
105         so don't pass a pointer to it.
106         (build_alias_set_for_drs): Same.
107         (build_base_obj_set_for_drs): Same.
108         (build_scop_drs): Same.
109
110 2009-09-26  Li Feng  <nemokingdom@gmail.com>
111
112         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
113         the alias graph of data references.
114
115 2009-09-25  Li Feng  <nemokingdom@gmail.com>
116
117         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
118         (build_scop_drs): When debugging, write the alias graph to file,
119         otherwise, should be disabled.
120
121 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
122
123         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
124         (is_simple_operand): Remove call to stmt_simple_memref_p.
125         (stmt_simple_for_scop_p): Update call to is_simple_operand.
126
127 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
128
129         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
130         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
131         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
132         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
133         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
134
135 2009-09-17 Li Feng  <nemokingdom@gmail.com>
136
137         PR middle-end/41118
138         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
139         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
140         (graphite_carried_dependence_level_k): Ditto.
141         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
142         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
143         (new_poly_dr): Adjust declaration.
144         * graphite-sese-to-poly.c (free_data_refs_aux): New.
145         (free_gimple_bb): Added free_data_refs_aux.
146         (build_poly_dr): Add dr_base_object_set.
147         (partition_drs_to_sets): New.
148         (dr_same_base_object_p): New.
149         (build_alias_set_for_drs): New.
150         (build_base_object_set_for_drs): New.
151         (build_scop_drs): Add build_base_obj_set_for_drs.
152         * graphite-sese-to-poly.h: Added #define for alias set number index and
153         base object set index.
154         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
155         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
156
157 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
158
159         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
160         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
161
162 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
163
164         * graphite-sese-to-poly.c (struct irp_data): Removed.
165         (idx_record_params): Removed.
166         (find_params_in_bb): Scan for parameters the access functions; don't
167         parse the tree representation.
168
169 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
170
171         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
172         passes at -O1 and below.
173
174 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
175
176         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
177         tree-scalar-evolution.h, and then tree-data-ref.h.
178         * graphite-clast-to-gimple.c: Same.
179         * graphite-dependences.c: Same.
180         * graphite-interchange.c: Same.
181         * graphite-poly.c: Same.
182         * graphite-scop-detection.c: Same.
183         * graphite-sese-to-poly.c: Same.
184         * graphite.c: Same.
185         * lambda-code.c: Same.
186         * matrix-reorg.c: Same.
187         * tree-data-ref.c: Same.
188         * tree-if-conv.c: Same.
189         * tree-loop-distribu: Same.: Same.
190         * tree-loop-linear.c: Same.
191         * tree-parloops.c: Same.
192         * tree-predcom.c: Same.
193         * tree-vect-patterns.c: Same.
194
195 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
196
197         Partially revert the previous patch, except the following.
198         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
199         as parameters the operands of the not expression.
200
201 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
202
203         * tree-scalar-evolution.c (instantiate_scev_assign): New.
204         Do not call analyze_scalar_evolution on assignments.
205         (instantiate_scev_phi): Call analyze_scalar_evolution.
206         (instantiate_scev_name): Call instantiate_scev_assign and
207         instantiate_scev_phi.
208         (instantiate_scev_not): Adapted to pass as parameters the operands
209         of the not expression.
210
211 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
212
213         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
214         to pass as parameters the operands of the binary expression.
215
216 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
217
218         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
219         instantiate_scev_not.  Handle NEGATE_EXPR.
220         (instantiate_scev_r): Handle NEGATE_EXPR.
221
222 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
223
224         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
225         instantiate_scev_r.
226         (instantiate_scev_r): Move code in instantiate_scev_2
227         and instantiate_scev_1.
228
229 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
230
231         * tree-scalar-evolution.c (instantiate_scev_3): New.
232         (instantiate_scev_1): Move code in instantiate_scev_3.
233
234 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
235
236         * tree-scalar-evolution.c (instantiate_scev_poly): New.
237         (instantiate_scev_1): Move code in instantiate_scev_poly.
238
239 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
240
241         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
242         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
243
244 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
245
246         * tree-scalar-evolution.c (instantiate_scev_convert): New.
247         (instantiate_scev_1): Move code in instantiate_scev_convert.
248
249 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
250
251         * tree-scalar-evolution.c (instantiate_scev_binary): New.
252         (instantiate_scev_1): Move code in instantiate_scev_binary.
253
254 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
255
256         * tree-scalar-evolution.c (instantiate_scev_name): New.
257         (instantiate_scev_1): Move code in instantiate_scev_name.
258
259 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
260
261         * Merge from mainline (150992:151171).
262
263 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
264
265         * graphite-dependences.c (graphite_legal_transform_bb): Call
266         pbb_remove_duplicate_pdrs.
267         * graphite-poly.c (can_collapse_pdr): Removed.
268         (pdr_find_duplicate): Removed.
269         (can_collapse_pdrs): New.
270         (pbb_remove_duplicate_pdrs): New.
271         (new_poly_dr): Do not look for duplicates.
272         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
273         (PBB_PDR_DUPLICATES_REMOVED): New.
274         (pbb_remove_duplicate_pdrs): Declared.
275
276 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
277
278         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
279         the strides by multiplying by PDR_NB_REFS.
280         * graphite-poly.c (can_collapse_pdr): New.
281         (pdr_find_duplicate): New.
282         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
283         Initialize PDR_NB_REFS.
284         * graphite-poly.h (struct poly_dr): Add field nb_refs.
285         (PDR_NB_REFS): New.
286         (new_poly_dr): Number of subscripts is a graphite_dim_t.
287
288 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
289
290         Revert one of the previous commits:
291         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
292         the computation of symmetric data dependence relations.
293         (dependency_between_pbbs_p): Same.
294
295 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
296
297         PR middle-end/40965
298         * graphite-poly.c (apply_poly_transforms): Remove legality test before
299         any transform.
300
301 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
302
303         * graphite-dependences.c (pddr_original_scattering): Return NULL
304         for read-read dependence relations.
305         * graphite-poly.h (enum poly_dr_type): Fix comment.
306         (pdr_read_p): New.
307         (pdr_write_p): New.
308         (pdr_may_write_p): New.
309
310 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
311
312         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
313         (struct poly_dr): Same.
314         (new_poly_dr): Same.
315         * graphite-poly.c (new_poly_dr): Same.
316
317 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
318             Sebastian Pop  <sebastian.pop@amd.com>
319
320         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
321         pbb_strip_mine_time_depth.  Changed the implementation so that
322         transformation is expressed as a transformation on
323         time (scatttering) dimensions.  Also, ensures that the 2d+1
324         scheduling format is preserved.
325         (pbb_strip_mine_profitable_p): Profitability is based on the
326         iteration number of a given time (scattering) dimension,
327         and not on a original loop depth dimension.
328         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
329         (pbb_do_strip_mine): Call psct_dynamic_dim.
330         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
331         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
332         (pbb_nb_dynamic_scattering_transform): New.
333         (psct_dynamic_dim): New.
334
335 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
336
337         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
338         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
339         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
340         * graphite-interchange.c (build_linearized_memory_access): Same.
341         (memory_stride_in_loop): Same.
342
343 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
344
345         * graphite-dependences.c (pddr_original_scattering): New.
346         (graphite_legal_transform_dr): Call pddr_original_scattering.
347         (dot_deps_1): New.
348         (dot_deps): New.
349         * graphite-dependences.h (dot_deps): Declared.
350         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
351         (print_pdr): Print PDR_ID.
352         * graphite-poly.h (struct poly_dr): Add field id.
353         (PDR_ID): New.
354         (pbb_index): New.
355         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
356
357 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
358
359         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
360         not delete the original dependence relation.
361
362 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
363
364         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
365         the computation of symmetric data dependence relations.
366         (dependency_between_pbbs_p): Same.
367
368 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
369
370         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
371         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
372         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
373         (free_poly_ddr): New.
374         (pddr_is_empty): New.
375         (dependence_polyhedron_1): Now returns a poly_ddr_p.
376         (dependence_polyhedron): Same.  Remove useless gcc_assert.
377         Remove fprintfs.
378         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
379         (graphite_carried_dependence_level_k): Call pddr_is_empty.
380         * graphite-dependences.h (enum poly_dependence_kind): New.
381         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
382         (PDRP_SOURCE): Renamed PDDR_SOURCE.
383         (PDRP_SINK): Renamed PDDR_SINK.
384         (PDRP_DDP): Renamed PDDR_DDP.
385         (PDDR_KIND): New.
386         (free_poly_ddr): Declared.
387         * graphite-poly.c (new_scop): Use the new hash function names.
388         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
389         into original_pddrs.
390         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
391
392 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
393
394         * Merge from mainline (150764:150992).
395
396 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
397
398         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
399         bounds with LT_EXPR to make niter analysis more precise on code
400         generated by Graphite.
401
402 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
403
404         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
405         (graphite_legal_transform_bb): Same.
406         (poly_drs_may_alias_p): Same.
407
408 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
409
410         PR middle-end/40981
411         * graphite-ppl.c (ppl_max_for_le): Correct the use of
412         ppl_Pointset_Powerset_C_Polyhedron_maximize.
413
414 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
415
416         * graphite-poly.c (print_pbb): Print PBB index.
417
418 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
419
420         * Merge from mainline (r150672:150764).
421
422 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
423
424         * graphite-interchange.c (ppl_max_for_le): Moved...
425         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
426         * graphite-ppl.c (ppl_max_for_le): ... here.
427         * graphite-ppl.h (ppl_max_for_le): Declared.
428
429 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
430
431         * Merge from mainline (r150372:150672).
432
433 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
434
435         PR middle-end/40980
436         * sese.c (convert_for_phi_arg): New.
437         (add_guard_exit_phis): Use convert_for_phi_arg.
438
439         * testsuite/gfortran.dg/graphite/id-17.f: New.
440
441 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
442
443         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
444         unknown subscript upper bounds.
445
446         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
447
448 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
449             Pranav Garg  <pranav.garg2107@gmail.com>
450
451         * graphite-interchange.c (gather_access_strides): Removed.
452         (ppl_max_for_le): New.
453         (build_linearized_memory_access): New.
454         (memory_stride_in_loop): New.
455         (pbb_interchange_profitable_p): Reimplemented.
456         * graphite-ppl.h (ppl_new_id_map): New.
457         (ppl_interchange): New.
458
459         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
460
461 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
462
463         * graphite-interchange.c (compute_subscript): Removed.
464         (compute_array_size_cstr): Removed.
465         (compute_array_size_poly): Removed.
466         (compute_array_size): Removed.
467         (gather_access_strides_poly): Removed.
468         (gather_access_strides): Empty.
469
470 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
471
472         * graphite-dependences.c (dependence_polyhedron_1): Replace
473         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
474         (graphite_legal_transform_dr): Same.
475         (graphite_carried_dependence_level_k): Same.
476         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
477         Initialize PDR_NB_SUBSCRIPTS.
478         (print_pdr_access_layout): Replace pdr_nb_subscripts with
479         PDR_NB_SUBSCRIPTS.
480         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
481         (PDR_NB_SUBSCRIPTS): New.
482         (pdr_nb_subscripts): Removed.
483         (pdr_dim): Simplified.
484         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
485         with PDR_NB_SUBSCRIPTS.
486
487 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
488
489         * graphite-interchange.c (compute_array_size): Remove use of
490         PDR_DATA_CONTAINER.
491         * graphite-poly.c (new_poly_dr): Remove argument data_container.
492         Do not initialize PDR_DATA_CONTAINER.
493         (print_pdr): Do not print PDR_DATA_CONTAINER.
494         * graphite-poly.h (struct poly_dr): Remove data_container field.
495         (PDR_DATA_CONTAINER): Removed.
496         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
497         PDR_DATA_CONTAINER.
498         (build_poly_dr): Same.
499
500 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
501
502         * testsuite/gcc.dg/graphite/interchange-9.c: New.
503
504 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
505             Sebastian Pop  <sebastian.pop@amd.com>
506
507         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
508         copy of the dependence polyhedron.  Free the temporary objects.
509         (graphite_carried_dependence_level_k): Free unused objects before
510         returning.
511
512         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
513         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
514         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
515         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
516         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
517
518 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
519
520         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
521         Early return without analyzing the data dependences if no
522         transform has been done.  Call restore_scattering if the transform
523         is not legal.
524         (graphite-interchange.c): Same.
525         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
526         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
527         (apply_poly_transforms): Do not gcc_assert that
528         the transform is legal.
529         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
530         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
531         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
532         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
533         * graphite-poly.h (struct poly_scattering): New.
534         (struct poly_bb): Add original, transformed, and saved fields.
535         Remove transformed_scattering, original_scattering, nb_local_variables,
536         and nb_scattering_transform fields.
537         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
538         (poly_scattering_new): New.
539         (poly_scattering_free): New.
540         (poly_scattering_copy): New.
541         (store_scattering_pbb): New.
542         (store_scattering): New.
543         (restore_scattering_pbb): New.
544         (restore_scattering): New.
545         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
546         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
547
548 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
549
550         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
551         (print_scop): Same.
552
553 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
554
555         * Makefile.in (graphite.o): Depends on PREDICT_H.
556         * graphite.c: Include predict.h.
557         (graphite_finalize): Call tree_estimate_probability.
558         * predict.c (predict_loops): Do not call scev_initialize and
559         scev_finalize.
560         (tree_estimate_probability_bb): New.
561         (tree_estimate_probability): Do not initialize loops: move that
562         code to the driver.  Call tree_estimate_probability_bb.
563         (tree_estimate_probability_driver): New.
564         (pass_profile): Use tree_estimate_probability_driver.
565         * predict.h (tree_estimate_probability): Declared.
566
567 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
568
569         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
570         * graphite-dependences.c (graphite_legal_transform): Add time to
571         TV_GRAPHITE_DATA_DEPS.
572         (dependency_between_pbbs_p): Same.
573         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
574
575 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
576
577         * Merge from mainline (r149952:150372).
578
579 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
580
581         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
582         * graphite-blocking.c: Same.
583         * graphite-clast-to-gimple.c: Same.
584         * graphite-dependences.c: Same.
585         * graphite-poly.c: Same.
586         * graphite-poly.h: Same.
587         * graphite-ppl.c: Same.
588         * graphite-scop-detection.c: Same.
589         * graphite-sese-to-poly.c: Same.
590         * graphite.c: Same.
591
592 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
593
594         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
595         (remove_simple_copy_phi): New.
596         (remove_invariant_phi): New.
597         (simple_copy_phi_p): New.
598         (reduction_phi_p): New.
599         (gsi_for_ssa_name_def): New.
600         (insert_out_of_ssa_copy): New.
601         (insert_out_of_ssa_copy_on_edge): New.
602         (create_zero_dim_array): New.
603         (scalar_close_phi_node_p): New.
604         (rewrite_close_phi_out_of_ssa): New.
605         (rewrite_phi_out_of_ssa): New.
606         (rewrite_reductions_out_of_ssa): New.
607         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
608
609         * testsuite/gcc.dg/graphite/id-11.c: New.
610         * testsuite/gcc.dg/graphite/id-15.c: New.
611         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
612         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
613         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
614         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
615         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
616         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
617         * testsuite/gfortran.dg/graphite/id-13.f: New.
618         * testsuite/gfortran.dg/graphite/id-5.f: New.
619
620 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
621
622         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
623         check that nb_reductions_in_loop is zero.
624         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
625         reduction phi nodes.
626         (nb_reductions_in_loop): Removed.
627         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
628         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
629         (bb_contains_non_iv_scalar_phi_nodes): Removed.
630         (scop_contains_non_iv_scalar_phi_nodes): Removed.
631         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
632
633 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
634
635         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
636         statements that have an empty iteration domain.
637         * testsuite/gfortran.dg/graphite/id-16.f: New.
638
639 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
640
641         * tree-scalar-evolution.c (instantiate_scev_1): Return
642         chrec_dont_know when the result is not above instantiate_below.
643         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
644         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
645         the tree has a known scalar evolution.
646         * testsuite/gfortran.dg/graphite/id-14.f: New.
647         * testsuite/gfortran.dg/graphite/id-15.f: New.
648
649 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
650
651         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
652         insert_gsi.
653         (rename_variables): Keep inserting renames after the ones already
654         inserted.
655
656 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
657
658         * graphite-sese-to-poly.c (compare_bb_depths): New.
659         (graphite_sort_dominated_info): New.
660         (build_scop_bbs_1): Call graphite_sort_dominated_info.
661         (build_scop_scattering): Fix comment.
662
663 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
664
665         * graphite.c (graphite_finalize): Call print_loops instead of
666         dump_function_to_file.
667         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
668         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
669         loops generated in the graphite output file.
670         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
671         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
672         * testsuite/gfortran.dg/graphite/id-12.f: New.
673
674 2009-07-24  Li Feng  <nemokingdom@gmail.com>
675
676         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
677         Remove 2 XFAIL.
678
679 2009-07-24  Li Feng  <nemokingdom@gmail.com>
680             Tobias Grosser  <grosser@fim.uni-passau.de>
681
682         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
683         alias set number build alias in ACCESSES polyhedron.
684         (build_alias_set_for_drs): New.
685         (build_pbb_drs): Added build_alias_set_for_drs.
686         * graphite-dependences.c (poly_drs_may_alias_p): New.
687         (graphite_carried_dependence_level_k): Check alias information
688         before building polyhedron.
689
690 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
691
692         * Makefile.in (lambda-code.o): Fix formatting.
693
694 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
695
696         * Merge from mainline (r149350-149952)
697
698 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
699
700         * graphite-poly.c (apply_poly_transforms): Move strip_mine
701         before interchange to prepare for loop blocking.
702
703 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
704
705         * graphite-poly.c (apply_poly_transforms): Add checks after every
706         transformation.
707         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
708         done in apply_poly_transforms.
709
710 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
711
712         * graphite-dependences.c (build_lexicographically_gt_constraint):
713         Replace RES parameter with *RES.
714         (dependence_polyhedron_1): Pass an address of the parameter RES
715         instead of value of RES.
716
717 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
718
719         * graphite.c (graphite_finalize): Fix comment.
720         (graphite_transform_loops): Reset scev info after code generation
721         of each scop.
722
723 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
724
725         * graphite.c (graphite_finalize): Call scev_reset.
726
727 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
728
729         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
730         GBB_CLOOG_IV_TYPES hash table twice.
731         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
732         (add_condition_to_domain): Clear GMP values.
733
734 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
735
736         * graphite-dependences.c: Fix formatting.
737         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
738         (pbb_number_of_iterations): Free ppl_Linear_Expression.
739         * graphite-sese-to-poly.c: Fix formatting.
740         * graphite.c (graphite_transform_loops): Create the hash table
741         after the early return.
742
743 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
744
745         * testsuite/gcc.dg/graphite/id-14.c: New.
746         * testsuite/gcc.dg/graphite/pr40157.c: New.
747         * testsuite/gfortran.dg/graphite/id-11.f: New.
748
749 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
750
751         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
752         (build_poly_scop): Return false when there are no pbbs within
753         loops to avoid to pass to cloog scops with no loops.
754
755 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
756
757         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
758         useless test "i % 2".
759         (build_pbb_scattering_polyhedrons): Fix formatting.
760         (build_poly_dr): Same.
761         * graphite.c (graphite_transform_loops): Restructure.
762
763 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
764
765         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
766         reduction_list parameter.
767         (rewrite_all_phi_nodes_with_iv): Same.
768         (canonicalize_loop_ivs): Same.
769         * tree-parloops.c (struct brli): Removed.
770         (build_reduction_list_info): Removed.
771         (build_new_reduction): New.
772         (analyze_reduction_list): Removed.
773         (gather_scalar_reductions): Find reductions instead of phi
774         nodes that can't be canonicalized.
775         (try_create_reduction_list): Remove reduction_list parameter.
776         (gen_parallel_loop): Same.
777         (parallelize_loops): Remove analyze_reductions variable,
778         initialization and free.
779         Change reduction_list htab initialization to reduction_info
780         elements instead of ssa names.
781         Call try_create_reduction_list and gen_parallel_loop without
782         analyzed_reduction argument.
783         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
784         canonicalize_loop_ivs with one less argument.
785         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
786
787 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
788
789         * graphite-dependences.c (new_poly_dr_pair): New.
790         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
791         (new_poly_dr_pair): New.
792         (eq_poly_dr_pair_p): New.
793         (hash_poly_dr_pair_p): New.
794         * graphite-dependences.h (struct poly_dr_pair): New.
795         (eq_poly_dr_pair_p): Declared.
796         (hash_poly_dr_pair_p): Declared.
797         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
798         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
799         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
800         * Makefile.in (graphite-poly.o): Add dependence on
801         graphite-dependences.h.
802
803 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
804
805         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
806         polynomials of degree > 1 pass to Graphite.
807         * tree-chrec.c (scev_is_linear_expression): Call
808         evolution_function_is_affine_multivariate_p.
809         * testsuite/gfortran.dg/graphite/id-10.f90: New.
810
811 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
812
813         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
814         Instantiate scevs varying in outer loops.
815         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
816
817 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
818
819         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
820         redundant constraint.
821
822 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
823
824         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
825         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
826         based on the file names as in the C testsuite.
827         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
828         * testsuite/gfortran.dg/graphite/block-2.f: Same.
829         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
830         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
831         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
832         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
833         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
834         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
835         * testsuite/gfortran.dg/graphite/id-6.f: Same.
836         * testsuite/gfortran.dg/graphite/id-9.f: Same.
837         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
838         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
839         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
840
841 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
842
843         * sese.c (expand_scalar_variables_call): New.
844         (expand_scalar_variables_ssa_name): Handle calls in expander.
845
846 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
847
848         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
849         Expect to see the pattern twice.
850         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
851         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
852         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
853
854 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
855
856         * testsuite/gcc.dg/graphite/id-10.c: New.
857         * testsuite/gcc.dg/graphite/id-12.c: New.
858         * testsuite/gfortran.dg/graphite/id-7.f: New.
859         * testsuite/gfortran.dg/graphite/id-8.f: New.
860
861 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
862
863         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
864         zero.
865
866 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
867
868         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
869
870 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
871
872         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
873
874 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
875
876         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
877         building PDR subscripts.
878
879 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
880
881         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
882         computation of array sizes.
883
884 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
885
886         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
887
888 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
889
890         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
891         build_pairwise_constraint, dr_equality_constraints,
892         build_pairwise_scheduling_equality,
893         build_pairwise_scheduling_inequality, lexicographically_gt_p,
894         build_lexicographically_gt_constraint, dependence_polyhedron,
895         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
896         Move from NNC_Polyhedron to C_Polyhedron.
897         * graphite-interchange.c (compute_array_size_poly,
898         gather_access_strides): Dito.
899         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
900         free_scop, pbb_number_of_iterations): Dito.
901         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
902         pbb_dim_iter_domain, struct scop): Dito.
903         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
904         new_Cloog_Domain_from_ppl_Polyhedron,
905         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
906         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
907         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
908         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
909         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
910         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
911         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
912         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
913         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
914         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
915         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
916         build_scop_iteration_domain, build_poly_dr): Dito
917
918 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
919
920         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
921         run-id-*.c files.
922         * testsuite/gcc.dg/graphite/run-id-1.c: New.
923
924 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
925
926         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
927         positivity constraint on the symbolic number of iterations.
928
929 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
930
931         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
932
933 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
934             Tobias Grosser  <grosser@fim.uni-passau.de>
935
936         * graphite-clast-to-gimple.c (build_scop_context): Removed.
937         (build_cloog_prog): Directly use SCOP_CONTEXT.
938         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
939         (free_scop): Free SCOP_CONTEXT.
940         (print_scop_context): New.
941         (print_scop): Call print_scop_context.
942         (debug_scop_context): New.
943         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
944         (struct scop): Added field context.
945         (SCOP_CONTEXT): New.
946         * graphite-sese-to-poly.c (add_param_constraints): New.
947         (build_scop_context): New.
948         (build_poly_scop): Call build_scop_context.
949
950 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
951
952         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
953         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
954         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
955         * graphite-ppl.h: Include double-int.h and tree.h.
956         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
957         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
958         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
959         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
960
961 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
962
963         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
964         POINTER_PLUS_EXPR for pointer types.
965         (clast_to_gcc_expression): Same.
966
967 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
968
969         * graphite-poly.c (print_scattering_function): Early return when
970         PBB_TRANSFORMED_SCATTERING is not initialized.
971         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
972
973 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
974
975         * tree-parloops.c (analyze_reduction_list): Remove unused variable
976         to fix bootstrap.
977
978 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
979
980         * tree-parloops.c (analyze_reduction_list): Change return
981         value to void.
982         (try_create_reduction_list): Move the call to
983         analyze_reduction_list to the beginining.
984         Call reduction_phi with analyzed_reductions as argument
985         instead of reduction_list.
986
987 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
988
989         *  Merge from mainline (r148296:149346)
990
991 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
992
993         * graphite-scop-detection.c (graphite_can_represent_init): New.
994         (graphite_can_represent_scev): Call graphite_can_represent_init:
995         check that the initial value does not contain multiplications of
996         parameters.
997         (stmt_has_simple_data_refs_p): New.
998         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
999         (is_simple_operand): Fix formatting.
1000         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1001
1002 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * testsuite/gcc.dg/graphite/id-13.c: New.
1005         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1006         analyze_scalar_evolution, use scalar_evolution_in_region.
1007         (scan_tree_for_params_right_scev): Add extra assert.
1008         (parameter_index_in_region_1): Split from parameter_index_in_region.
1009         (idx_record_params): Use scalar_evolution_in_region.
1010         (find_params_in_bb): Same.
1011         (find_scop_parameters): Same.
1012         (build_loop_iteration_domains): Same.
1013         (create_linear_expr_from_tree): Same.
1014         * sese.c (scalar_evolution_in_region): New.
1015         * sese.h (scalar_evolution_in_region): Declared.
1016         (defined_in_sese_p): New.
1017         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1018         static anymore.
1019         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1020         Declared.
1021
1022 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1025         TREE_DATA_REF_H also implies SCEV_H.
1026
1027 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1028
1029         * graphite-poly.c (print_scop_params): New.
1030         (print_scop): Call print_scop_params.
1031         (debug_scop_params): New.
1032         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1033
1034 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1035
1036         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1037         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1038         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1039         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1040         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1041         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1042
1043 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1044
1045         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1046         for dependency checking part.
1047         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1048         tests for dependency checking.
1049         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1050         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1051         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1052         flag -fdump-tree-graphite-all for autopar testsuites.
1053
1054 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1057         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1058         canonicalize_loop_ivs): Moved...
1059         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1060
1061 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1062
1063         * tree-parloops.c (try_create_reduction_list): Pass an extra
1064         argument analyzed_reductions.  Call analyze_reduction_list.
1065         (gen_parallel_loop): Do not call analyze_reduction_list.
1066         (parallelize_loops): Init and finalize analyzed_reductions.
1067
1068 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1069
1070         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1071         Added flag -fno-loop-strip-mine for autopar testcase.
1072
1073 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1074
1075         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1076         transformed scattering dimension instead of unmatch orignal when
1077         calling dependence_polyhedron.
1078
1079 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1080
1081         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1082
1083 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1086         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1087
1088 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1091         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1092         * graphite-poly.c (pbb_number_of_iterations): New.
1093         * graphite-poly.h (pbb_number_of_iterations): Declared.
1094         (pbb_iterator_dim, pbb_parameter_dim): New.
1095
1096 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1099         last commit on type of lower and upper bound of loops.
1100
1101 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1102
1103         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1104         graphite-dependences.h.
1105         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1106         (mark_bb_with_pbb): New.
1107         (get_stmtfor_depth): New.
1108         (find_pbb_via_hash): New.
1109         (dependency_in_loop_p): New.
1110         (mark_loops_parallel): New.
1111         (free_aux_in_new_loops): New.
1112         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1113         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1114         innermost loop parallel without checking.
1115         (gloog): Add parameter BB_PBB_MAPPING.
1116         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1117         (gloog): Change declaration.
1118         (mark_loop_parallel): Make extern.
1119         (free_aux_in_new_loops): Declare.
1120         (bb_pbb_map_hash): New.
1121         (eq_bb_pbb_map): New.
1122         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1123         auto parallelization when flag_graphite_force_parallel is set.
1124         (graphite_finalize): Added free_aux_in_new_loops.
1125         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1126         the innermost loop that marked parallel.  Use
1127         flag_graphite_force_parallel instead of loop->can_be_parallel.
1128         (loop_parallel_p): Move inner most checking out of function.
1129
1130 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1131
1132         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1133         type of lower and upper bound of loops signed long int.
1134
1135 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1138         expression outside the loop.
1139
1140 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1141
1142         * gcc.dg/graphite/interchange-8.c: New.
1143
1144 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * gcc.dg/graphite/interchange-0.c: XFailed.
1147         * gcc.dg/graphite/interchange-5.c: XFailed.
1148         * gcc.dg/graphite/interchange-6.c: XFailed.
1149
1150 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         * graphite-interchange.c (compute_array_size_poly): The end of the
1153         recursion should return 1.
1154
1155 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1156
1157         * graphite-interchange.c (compute_array_size_cstr): Allow the
1158         subscript multiplier to be -1.
1159         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1160         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1161         data_container.  Initializes PDR_DATA_CONTAINER.
1162         (print_pdr_access_layout): New.
1163         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1164         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1165         data_container.
1166         (PDR_DATA_CONTAINER): New.
1167         (new_poly_dr): Update declaration.
1168         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1169         (build_poly_dr): Call pdr_add_data_dimensions.
1170
1171 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-poly.h (struct poly_dr): Fix comment.
1174         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1175         (pdr_add_memory_accesses): New.
1176         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1177
1178 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1179
1180         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1181         (print_pbb): Add call to print_pdrs.
1182         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1183
1184 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1185             Li Feng <nemokingdom@gmail.com>
1186
1187         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1188         (dependency_between_pbbs_p): New.
1189         (lexicographically_gt_p): Assure !empty_p before polyhedron
1190         intersection assign.
1191         (build_lexicographically_gt_constraint): Correct lexicographically
1192         judging.
1193         * graphite-dependences.h: New.
1194         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1195
1196 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1197
1198         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1199         (gloog): Print to dump_file the generated clast.
1200         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1201         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1202
1203 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * graphite-poly.c (extend_scattering): Increment
1206         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1207
1208 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * graphite-interchange.c (compute_array_size_poly): Added exit of
1211         recursion condition.  Continue iterating even after the first equality.
1212         (compute_array_size): Same.
1213
1214 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1215
1216         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1217         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1218         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1219         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1220         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1221
1222 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1225         only when the use verifies is_gimple_reg.
1226
1227 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1230         Allocate scaldims after call to unify_scattering_dimensions.
1231
1232 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1233
1234         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1235
1236 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1237             Albert Cohen  <albert.cohen@inria.fr>
1238
1239         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1240         variables for the strip mining.
1241
1242 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1243             Pranav Garg  <pranav.garg2107@gmail.com>
1244
1245         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1246         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1247         (graphite-blocking.o): New rule.
1248         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1249         * graphite-blocking.c: New.
1250         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1251         flag_loop_strip_mine.
1252         (psct_scattering_dim_for_loop_depth): New.
1253         * graphite-poly.h (scop_do_strip_mine): Declared.
1254         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1255         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1256         flag_loop_strip_mine.
1257
1258 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1261         a GMP value and a PPL coefficient at each iteration of a loop.
1262
1263 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * graphite-dependences.c (dependence_polyhedron): Do not use
1266         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1267         pbb_nb_scattering_transform.
1268         (graphite_legal_transform_dr): Same.
1269         * graphite-poly.c (extend_scattering): Same.
1270         (unify_scattering_dimensions): Same.
1271         (print_scattering_function): Same.
1272         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1273         PBB_NB_LOCAL_VARIABLES.
1274         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1275         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1276         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1277         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1278         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1279         (pbb_nb_scattering_transform): New.
1280         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1281         (psco_scattering_dim): Add assert on parameters.
1282         (psct_scattering_dim): Same.
1283         (psct_scattering_dim_for_loop_depth): Declared.
1284         (psct_local_var_dim): New.
1285         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1286         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1287         correct layout, call pbb_nb_local_vars.
1288         (psct_add_local_variable, psct_add_scattering_dimension): New.
1289         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1290         Initialize PBB_NB_SCATTERING_TRANSFORM.
1291
1292 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1293
1294         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1295         (set_coef): Renamed ppl_set_coef.
1296         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1297
1298 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1301         test a boolean against 1.
1302         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1303         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1304         (pbb_do_interchange): Returns true when a transform has been performed.
1305         (scop_do_interchange): Same.
1306         * graphite-poly.c (apply_poly_transforms): Use the return value of
1307         scop_do_interchange.
1308         * graphite-poly.h (scop_do_interchange): Update declaration.
1309
1310 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1311
1312         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1313         after last use.
1314         * sese.c (sese_reset_aux_in_loops): New.
1315         * sese.h (sese_reset_aux_in_loops): New.
1316
1317 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1318
1319         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1320         multiplier and multiply the constant by the multiplier.
1321         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1322         (build_poly_dr): Do not use the multiplier to define the subscript.
1323
1324 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1327         compiler's data reference.  Initialize PDR_CDR.
1328         (print_pdr): Call dump_data_reference.
1329         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1330         Add compiler_dr field.
1331         (PDR_BB): Renamed PDR_PBB.
1332         (PDR_CDR): New.
1333         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1334         GCC's data reference representation.
1335         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1336         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1337
1338 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * graphite-poly.c (print_scattering_function): Also print the layout.
1341         * graphite-poly.h (pbb_nb_local_vars): New.
1342
1343 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1346
1347 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-poly.c (print_pdr, debug_pdr): New.
1350         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1351         (PDR_BASE): Removed.
1352
1353 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1356         ltrans-{1..6,8}.c.
1357
1358 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1361         subscript identification column.
1362         (pbb_do_interchange): Print to dump_file that some loops "will be
1363         interchanged".  Rely on that chain of characters in the testcases.
1364         * gcc.dg/graphite/interchange-0.c: New.
1365         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1366         interchange-*.c files and compile them with -floop-interchange.
1367
1368 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1369
1370         * graphite-interchange.c (interchange_profitable_p): Renamed
1371         pbb_interchange_profitable_p.
1372
1373 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1374             Harsha Jagasia  <harsha.jagasia@amd.com>
1375             Pranav Garg  <pranav.garg2107@gmail.com>
1376
1377         * graphite-interchange.c (interchange_profitable_p): Make static.
1378         (pbb_interchange_loop_depths, pbb_do_interchange,
1379         scop_do_interchange): New.
1380         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1381         for flag_loop_interchange.
1382         * graphite-poly.h (scop_do_interchange): Declared.
1383         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1384         flag_loop_interchange is used.
1385
1386 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * graphite-dependences.c (dependence_polyhedron): Update use of
1389         pbb_nb_scattering_dims.
1390         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1391         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1392         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1393         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1394
1395 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * graphite.c: Cleanup foo.
1398
1399 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * Merge from mainline (r143684:148293).
1402         * Disabled libpcp until it gets fixed.
1403
1404 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1405             Harsha Jagasia  <harsha.jagasia@amd.com>
1406
1407         * graphite-interchange.c: New.
1408         * Makefile.in (graphite-interchange.o): New.
1409         * graphite-poly.h (interchange_profitable_p): Declared.
1410         * graphite-ppl.h (value_max): New.
1411
1412 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1415         * graphite-poly.h: Fix some comments.
1416         (pdr_dim): New.
1417         (pdr_scop): New.
1418
1419 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-poly.h
1422         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1423         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1424         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1425         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1426         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1427         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1428         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1429         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1430         * graphite-clast-to-gimple.c: Same.
1431         * graphite-dependences.c: Same.
1432         * graphite-poly.c: Same.
1433         * graphite-sese-to-poly.c: Same.
1434
1435 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1438         expressions for an IV rename, as returned by clast_to_gcc_expression.
1439         (copy_renames): Rename new_name to expr.
1440         * sese.c (debug_rename_elt): Same.
1441         (get_rename): Same.
1442         (set_rename): Same.
1443         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1444         the information from the rename map.
1445         (rename_variables_in_stmt): Same.
1446         (add_loop_exit_phis): Rename new_name to expr.
1447         (insert_loop_close_phis): Same.
1448         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1449         * sese.h (struct rename_map_elt): Rename new_name to expr.
1450         (new_rename_map_elt): Same.
1451
1452 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1455         * sese.c (set_rename): Make it extern.
1456         * sese.h (set_rename): Declared.
1457
1458 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-poly.c (extend_scattering): Free values.
1461         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1462         Free iterators.
1463         (ppl_print_powerset_matrix): Same.
1464         * graphite-scop-detection.c (free_scops_1): New.
1465         (limit_scops): Call free_scops_1.
1466         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1467         (build_poly_dr): Free PPL coefficients.
1468         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1469
1470 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * graphite-dependences.c: New.
1473         * graphite-data-ref.c: Removed.
1474         * graphite-data-ref.h: Removed.
1475         * Makefile.in (graphite-data-ref.o): Removed.
1476         (graphite-dependences.o): Added.
1477         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1478         * graphite-poly.c: Same.
1479         Move the data dependence testing to graphite-dependences.c.
1480
1481 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1482
1483         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1484         from graphite_cannot_represent_loop. Code refactored.
1485         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1486
1487 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1488
1489         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1490         Cover all the testcases (not only the filtered ones).
1491
1492 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1493
1494         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1495         unnecessary check. Update comments. Move check for REAL_TYPE here.
1496         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1497         done in (stmt_simple_for_scop_p).
1498
1499 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1500
1501         * graphite.c (print_global_statistics): New.
1502         (print_graphite_scop_statistic): New.
1503         (print_graphite_statistics): New.
1504         (graphite_initialize, graphite_transform_loops): Print statistics.
1505         * graphite-scop-detection (build_scops): Print statistics.
1506         (print_graphite_scop_statistics): New.
1507         (print_graphite_statistics): New.
1508
1509 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1510
1511         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1512         (debug_clast_name_index): Removed.
1513         (debug_clast_name_indexes_1): Removed.
1514         (debug_clast_name_indexes): Removed.
1515         (clast_name_index_elt_info): Removed.
1516         (eq_clast_name_indexes): Removed.
1517         (clast_name_to_index): Removed.
1518         (new_clast_name_index): Removed.
1519         (save_clast_name_index): Removed.
1520         (save_var_name): Moved...
1521         (init_sese_params_index): Removed.
1522         (clast_name_to_gcc): Remove use of name_tree.
1523         (initialize_cloog_names): Same.
1524         (gloog): Do not call init_sese_params_index.
1525         * graphite-sese-to-poly.c (save_var_name): ...here.
1526         (parameter_index_in_region): New.
1527         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1528         (parameter_index_in_region): Removed.
1529         (is_parameter): Remove use of name_tree.
1530         * sese.h (struct name_tree): Removed.
1531         (struct sese): Remove use of name_tree.  New field params_names.
1532         (SESE_PARAMS_NAMES): New.
1533         (SESE_PARAMS): Remove duplicate.
1534         (parameter_index_in_region): Removed.
1535         (sese_nb_params): Remove use of name_tree.
1536         (struct clast_name_index): New.
1537         (new_clast_name_index): New.
1538         (clast_name_to_index): New.
1539         (save_clast_name_index): New.
1540         (debug_clast_name_index): New.
1541         (debug_clast_name_indexes_1): New.
1542         (debug_clast_name_indexes): New.
1543         (clast_name_index_elt_info): New.
1544         (eq_clast_name_indexes): New.
1545
1546 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1549         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1550         (graphite_loop_normal_form): Do not pass region.  Do not
1551         initialize SESE_OLDIVS.
1552         (build_graphite_loop_normal_form): Update call to
1553         graphite_loop_normal_form.
1554         * sese.c (debug_oldivs): Removed.
1555         (new_sese): Do not initialize SESE_OLDIVS.
1556         (free_sese): Do not free SESE_OLDIVS.
1557         (oldiv_for_loop): Removed.
1558         * sese.h (struct sese): Remove old_ivs.
1559         (SESE_OLDIVS): Removed.
1560         (oldiv_for_loop): Removed.
1561
1562 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1565         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1566         replaced by a call to newivs_to_depth_to_newiv.
1567         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1568         (clast_to_gcc_expression_red): Same.
1569         (gcc_type_for_clast_expr): Same.
1570         (gcc_type_for_clast_eq): Same.
1571         (graphite_translate_clast_equation): Same.
1572         (graphite_create_guard_cond_expr): Same.
1573         (graphite_create_new_guard): Same.
1574         (graphite_create_new_loop): Same.
1575         (build_iv_mapping): Same.
1576         (translate_clast): Same.
1577         (gloog): Same.
1578         (loop_iv_stack_patch_for_consts): Removed.  *
1579         sese.c (iv_stack_entry_is_constant): Removed.
1580         (iv_stack_entry_is_iv): Removed.
1581         (loop_iv_stack_push_iv): Removed.
1582         (loop_iv_stack_insert_constant): Removed.
1583         (loop_iv_stack_pop): Removed.
1584         (loop_iv_stack_get_iv): Removed.
1585         (loop_iv_stack_get_iv_from_name): Removed.
1586         (debug_loop_iv_stack): Removed.
1587         (free_loop_iv_stack): Removed.
1588         (loop_iv_stack_remove_constants): Removed.  *
1589         sese.h (iv_stack_entry_kind): Removed.
1590         (iv_stack_entry_data_union): Removed.
1591         (iv_stack_entry_struct): Removed.
1592         (iv_stack_entry_p): Removed.
1593         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1594         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1595         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1596         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1597         (gbb_loop_at_index): Fix indenting.
1598         (gbb_loop_index): Removed.
1599
1600 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1603         Call clast_name_to_index.
1604
1605 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1606
1607         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1608         do not pass params.  Get params from SESE_PARAMS.
1609         (clast_to_gcc_expression): Same.
1610         (clast_to_gcc_expression_red): Same.
1611         (gcc_type_for_clast_eq): Same.
1612         (graphite_translate_clast_equation): Same.
1613         (graphite_create_new_loop): Same.
1614         * sese.c (rename_variables_in_stmt): Fix comment.
1615
1616 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1617
1618         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1619         newivs_index.
1620         Call save_clast_name_index.
1621         (translate_clast): Pass newivs_index.
1622         (gloog): Create and free newivs_index.
1623
1624 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1627         (clast_name_index_p): New type.
1628         (debug_clast_name_index): New.
1629         (debug_clast_name_indexes_1): New.
1630         (debug_clast_name_indexes): New.
1631         (clast_name_index_elt_info): New.
1632         (eq_clast_name_indexes): New.
1633         (clast_name_to_index): New.
1634         (new_clast_name_index): New.
1635         (save_clast_name_index): New.
1636         (init_sese_params_index): New.
1637         (gloog): Call init_sese_params_index.
1638         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1639         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1640         (free_sese): Free SESE_PARAMS_INDEX.
1641         * sese.h (struct sese): Add params_index.
1642         (SESE_PARAMS_INDEX): New.
1643
1644 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1647         (graphite_create_new_loop): Pass the newivs vector.  Push the
1648         newly created IV to newivs.
1649         (translate_clast): Pass the newivs vector.
1650         (gloog): Create and destroy the newivs vector.
1651
1652 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1653
1654         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1655         (graphite_loop_normal_form): Initialize loop->aux with the unique
1656         IV that has been created.
1657
1658 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1659
1660         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1661         scev with parameters in the base part. They where forbidden
1662         exidently.
1663
1664 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1665
1666         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1667         compile options by file names.
1668         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1669         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1670         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1671         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1672
1673 2009-05-08  Li Feng <nemokingdom@gmail.com>
1674
1675         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1676         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1677         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1678         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1679
1680 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1681
1682         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1683         by final cleanup.
1684
1685 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1686
1687         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1688         allow integer constant strides.
1689         (graphite_can_represent_expr): Depend on outermost_loop.
1690         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1691         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1692         build_scops_1): Same.
1693         (scopdet_basic_block_info): Same and insert layered SCoP
1694         detection.
1695         (try_generate_gimple_bb): Cleanup.
1696         (build_scops): Enable data references.
1697
1698         * testsuite/gcc.dg/graphite/id-5.c: New.
1699         * testsuite/gcc.dg/graphite/id-9.c: New.
1700         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1701         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1702
1703 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1704
1705         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1706         that we have not yet built for this SCoP.
1707
1708 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1709
1710         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1711         for complex numbers.
1712
1713 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1714
1715         * graphite-ppl.c: Fix build if cloog is not available.
1716
1717 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1718
1719         * tree-parloops.c (loop_parallel_p): Remove construction of
1720         NITER and REDUCTION_LIST.
1721         (try_get_loop_niter): New.
1722         (try_create_reduction_list): New.
1723         (parallelize_loops): Bypass the failed checkings in autopar
1724         when can_be_parallel in loop structure is set to true.
1725
1726 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1727
1728         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1729         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1730
1731 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1732
1733         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1734         Enable EQ_EXPR and NE_EXPR again.
1735
1736 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1737
1738         * graphite-scop-detection.c (graphite_can_represent_scev):
1739         Add check if scev is affine multivariate.
1740         (harmful_stmt_in_bb): Check if we can represent the conditions.
1741         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1742         harmful_stmt_in_bb.
1743         * testsuite/gcc.dg/graphite/id-7.c: New.
1744
1745 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1746
1747         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1748         Check all bbs in region, not only the bbs that are represented in
1749         GRAPHITE.
1750         (build_poly_scop): Add newline.
1751         * testsuite/gcc.dg/graphite/id-8.c: New.
1752
1753 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1754
1755         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1756         when loop initialize.
1757         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1758         * common.opt: Declare flag_graphite_force_parallel.
1759         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1760         loop parallel.
1761         * graphite-poly.c (apply_poly_transforms): Introduce
1762         flag_graphite_force_parallel.
1763         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1764         * toplev.c (process_options): ditto and replace a not correctly
1765         encoded space.
1766
1767 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1768
1769         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1770         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1771         to the redefinition.
1772         (compute_cloog_iv_types_1): ditto.
1773         (build_iv_mapping): ditto.
1774         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1775         initialization.
1776         (free_gimple_bb): Removed GBB_LOOPS related free part.
1777         (build_bb_loops): Removed.
1778         * sese.h (struct gimple_bb): Removed loops.
1779         (GBB_LOOPS): Removed.
1780         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1781         (gbb_loop_index): ditto.
1782
1783 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1784
1785         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1786         allow non constant strides.
1787         * testsuite/gcc.dg/graphite/scop-20.c: New.
1788
1789 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1790
1791         * graphite-scop-detection.c (dot_all_scops): Fix system call
1792         return value warning.
1793         (dot_scop): Same.
1794
1795 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1796
1797         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1798         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1799
1800 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1801
1802         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1803         build_pairwise_constraint, dr_equality_constraints,
1804         build_pairwise_scheduling_equality,
1805         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1806         build_lexicographically_gt_constraint, dependence_polyhedron,
1807         graphite_legal_transform_dr, graphite_legal_transform_bb,
1808         graphite_legal_transform): New.
1809         * graphite-poly.h (graphite_legal_transform): Declared.
1810         * graphite-sese-to-poly.c (build_poly_scop): Call to
1811         graphite_legal_transform is disabled for the moment.
1812
1813 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * graphite-poly.h (pbb_nb_scattering_dims): New.
1816         (pbb_nb_scattering): Use it.
1817
1818 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1819
1820         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1821         Pointset_Powerset version of ppl_insert_dimensions.
1822         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1823
1824 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1827
1828 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * graphite-poly.h: Fix comment.
1831
1832 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1833
1834         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1835
1836 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1837
1838         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1839         statements.
1840
1841 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1842
1843         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1844         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1845         conditions.
1846
1847 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1848
1849         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1850         handle EQ_EXPR and NE_EXPR.
1851
1852 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1853
1854         * graphite-poly.h (poly_dr): Fix comment.
1855
1856 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1857             Tobias Grosser  <grosser@fim.uni-passau.de>
1858
1859         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1860         with a zero dimension polyhedron.
1861         (find_scop_parameters): Move the call to scop_set_nb_params here.
1862         (build_loop_iteration_domains): Store in loop->aux the iteration
1863         domain polyhedron.
1864         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1865         by any loop in scop.
1866         (build_poly_scop): Do not call scop_set_nb_params.
1867
1868 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1869             Tobias Grosser  <grosser@fim.uni-passau.de>
1870
1871         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1872         add_condition_to_domain not GT_EXPR.
1873
1874 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1875
1876         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1877         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1878         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1879         upper_bound_assign to calculate unions.
1880         * testsuite/gcc.dg/graphite/id-6.c: New.
1881
1882 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1883
1884         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1885         handle abnormal edges.
1886
1887 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1888
1889         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1890         (free_poly_bb): Also free poly_drs.
1891         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1892         (poly_dr): Polyhedron to Pointset_Powerset.
1893         (pdr_accessp_nb_subscripts): Same.
1894         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1895         poly_drs.
1896
1897 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1900         names into more meaningful names.
1901
1902 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1903
1904         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1905         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1906
1907 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1910         the reduction_list.
1911         * tree-parloops.c (rewrite_phi_with_iv): New.
1912         (rewrite_all_phi_nodes_with_iv): New.
1913         (canonicalize_loop_ivs): Call them.
1914
1915 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1916
1917         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1918         graphite_find_data_references_in_stmt.
1919         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1920         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1921
1922 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1925
1926 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1929         instead of bb_in_region.
1930         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1931         (build_sese_conditions): Use flag_bb_in_sese.
1932         * sese.c (register_bb_in_sese): Removed.
1933         (new_sese): Remove initialization of SESE_REGION_BBS.
1934         (free_sese): Do not free SESE_REGION_BBS.
1935         * sese.h (struct sese): Remove field region_basic_blocks.
1936         (SESE_REGION_BBS): Removed.
1937         (bb_in_sese_p): Implement in function of bb_in_region.
1938
1939 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1942         loops.
1943
1944 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1945
1946         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1947         and EQ_EXPR.
1948         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1949         (add_condition_to_domain): New.
1950         (add_condition_to_pbb): New.
1951         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1952         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1953
1954 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1955
1956         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1957         ppl_Pointset_Powerset.
1958         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1959         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1960         (pbb_nb_loops): Same.
1961         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1962         add_conditions_to_domain): Same.
1963         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1964         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1965         ppl_const_Polyhedron_t.
1966         (ppl_print_powerset_matrix): New.
1967         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1968         ppl_print_powerset_matrix): New.
1969         (ppl_print_polyhedron_matrix): Updated.
1970
1971 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1974
1975 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1978         (print_iteration_domains, debug_iteration_domain,
1979         debug_iteration_domains): New.
1980         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1981         debug_iteration_domains): Declared.
1982         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1983         indenting.
1984
1985 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1986             Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-poly.h (print_iteration_domain): New.
1989         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1990         (build_sese_conditions_1, build_sese_conditions_after,
1991         build_sese_conditions_before): New.
1992         (build_sese_conditions): Rewritten.
1993
1994 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1995             Tobias Grosser  <grosser@fim.uni-passau.de>
1996
1997         Cleanup of code generation liveouts.
1998         * graphite-clast-to-gimple.c (translate_clast): Use a single
1999         rename_map instead of one per translated statement.
2000         Do not use SESE_LIVEOUT_RENAMES.
2001         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2002         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2003         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2004         phi node of a reduction: when a loop contains a reduction used outside
2005         the loop, there should be a scalar close phi node on the exit block.
2006         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2007         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2008         (free_sese): Do not free them.
2009         (sese_build_liveouts_use): Do not use them.
2010         (sese_build_liveouts_bb): Same.
2011         (sese_build_liveouts): Same.
2012         (sese_insert_phis_for_liveouts): Same.
2013         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2014         (defined_in_loop_p): New.
2015         (alive_after_loop): New.
2016         (close_phi_not_yet_inserted_p): New.
2017         (struct alep, alep_p): New.
2018         (add_loop_exit_phis): Remove from the rename_map all the names defined
2019         in the code generated loop.
2020         (insert_loop_close_phis): Traverse the rename_map passed to it.
2021         Don't use SESE_LIVEOUT_RENAMES.
2022         (default_liveout_before_guard): Renamed default_before_guard.
2023         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2024         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2025         (register_sese_liveout_renames): Removed.
2026         (copy_bb_and_scalar_dependences): Do not call it.
2027         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2028         reduction_list.
2029         (SESE_LIVEOUT): Removed.
2030         (SESE_LIVEOUT_RENAMES): Removed.
2031         (SESE_REDUCTION_LIST): Removed.
2032         (sese_build_liveouts): Removed.
2033         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2034         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2035         (insert_guard_phis): Same.
2036         (rename_map_elt): Declare a VEC of them.
2037         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2038         trees not pointers to trees.
2039
2040         Rewrite in canonical close SSA form:
2041         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2042         (limit_scops): Close the scop after the block containing the close phi
2043         nodes.
2044         (canonicalize_loop_closed_ssa): New.
2045         (canonicalize_loop_closed_ssa_form): New.
2046         (build_scops): Call canonicalize_loop_closed_ssa_form.
2047
2048         * graphite-sese-to-poly.c: Fix typos.
2049
2050 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2053         Extended.
2054         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2055         (print_pbb): Add conditions.
2056
2057 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2058             Sebastian Pop  <sebastian.pop@amd.com>
2059
2060         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2061         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2062         (build_scop_bbs_1): New.
2063         (build_scop_bbs): Rewrite.
2064         * sese.h (bb_in_region): New.
2065
2066 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2067
2068         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2069         poly_drs vector.
2070         (print_scop): Style.
2071         * graphite-poly.h (poly_bb): Add drs vector.
2072         (PBB_DRS): Add accessor.
2073         * graphite-sese-to-poly.c (build_poly_dr): New.
2074         (build_pbb_drs, build_scop_drs): New.
2075         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2076
2077 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2078
2079         * tree-ssa-loop.c: Include forgotten toplev.h
2080
2081 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2082
2083         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2084         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2085         * testsuite/gcc.dg/graphite/pr37928.c: Same
2086         * testsuite/gcc.dg/graphite/pr38409.c: Same
2087         * testsuite/gcc.dg/graphite/pr38498.c: Same
2088         * testsuite/gcc.dg/graphite/pr38559.c: Same
2089         * testsuite/gcc.dg/graphite/pr39335.c: Same
2090         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2091         * testsuite/gfortran.dg/graphite/block-2.f: Same
2092         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2093         with -floop-*.
2094
2095 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2096
2097         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2098         build_access_matrix, build_scop_data_accesses): Remove access function
2099         building. (We get a new version soon).
2100         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2101         * sese.h (nb_loops_around_loop_in_sese): Remove.
2102         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2103
2104 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2105             Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * graphite-scop-detection.c (struct scopdet_info): Rename last
2108         field to exit.
2109         (scopdet_basic_block_info, build_scops_1): Don't use
2110         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2111
2112 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2113             Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2116         * sese.c (sese_build_liveouts_use): Renamed from
2117         sese_build_livein_liveouts_use. Remove liveins.
2118         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2119         Call sese_build_liveouts_use.
2120         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2121         Call sese_build_liveouts_bb.
2122         (new_sese, free_sese): Remove liveins.
2123         (sese_add_exit_phis_var): Deleted.
2124         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2125         directly.
2126         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2127
2128         * sese.h (sese): Remove num_ver and livein.
2129         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2130
2131 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2132
2133         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2134
2135 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2136
2137         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2138         (build_scop_scattering): Do not use compare_prefix_loops any more.
2139         (nb_common_loops): New.
2140
2141 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2144         (register_old_and_new_names): Renamed set_rename.
2145
2146 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2149         of the decl from the previous commit.
2150
2151 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * graphite-scop-detection.c (dot_scop): New.
2154         * graphite-scop-detection.h (dot_scop): Declared.
2155
2156 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2159
2160 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2161
2162         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2163         condition at the end of the loop.
2164         * graphite.c (graphite_initialize, graphite_finalize): Print to
2165         dump_file the compiled function.
2166         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2167         of create_empty_loop_on_edge.
2168         (translate_clast): Update the code generation of loops for the new
2169         shape of loops.
2170         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2171
2172 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         Reverted the patch from 2009-03-19.
2175
2176 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2177
2178         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2179         poly_drs vector.
2180         (print_scop): Style.
2181         * graphite-poly.h (poly_bb): Add drs vector.
2182         (PBB_DRS): Add accessor.
2183         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2184         (build_access_matrix_with_af, build_access_matrix,
2185         build_scop_data_accesses): Delete.
2186         (build_poly_dr): New.
2187         (build_pbb_drs, build_scop_drs): New.
2188         (build_poly_scop): call build_scop_drs.
2189
2190 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2193         once per basic block.
2194
2195 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2196
2197         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2198         (graphite_can_represent_expr): Renamed from loop_affine_expr
2199         and enhanced.
2200         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2201         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2202         (scopdet_basic_block_info): Actually define entry_block.
2203         (stmt_simple_memref_p): Moved here from ...
2204
2205         * tree-data-ref.c (stmt_simple_memref_p): here.
2206         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2207
2208 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2209
2210         * testsuite/gcc.dg/graphite/id-4.c: New.
2211
2212 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2213
2214         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2215         (register_old_and_new_names): Update the content of the map.
2216         When there was already a rename_map_elt in the map at that
2217         location, free it.
2218         (copy_bb_and_scalar_dependences): Do rename_variables after
2219         expand_scalar_variables.
2220         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2221         of the map.  When there was already a rename_map_elt in the
2222         map at that location, free it.
2223         (translate_clast): Pass the rename_map.  Do not initialize and free
2224         a rename_map per stmt_user.
2225         (gloog): Initialize and free one rename_map and pass it to
2226         translate_clast.
2227
2228 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         * sese.c (expand_scalar_variables_stmt,
2231         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2232         parameter.
2233         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2234         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2235         the gimple_stmt_iterator of the statement to be expanded.
2236         * graphite-scop-detection.c (is_simple_operand): Do handle
2237         REALPART_EXPR.
2238
2239 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2240
2241         * graphite-scop-detection.c (is_simple_operand): Do not handle
2242         REALPART_EXPR.
2243         * testsuite/gcc.dg/graphite/id-2.c: New.
2244
2245         * graphite-sese-to-poly.c (build_bb_loops,
2246         add_value_to_dim, scan_tree_for_params_right_scev,
2247         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2248         find_params_in_bb, build_loop_iteration_domains,
2249         add_conditions_to_domain): Remove subtract.
2250
2251 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2252
2253         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2254         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2255         pbb_loop_at_index -> gbb_loop_at_index.
2256         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2257         (debug_loop_vec): Delete.
2258         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2259         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2260         (PBB_LOOPS): Removed.
2261         (PBB_BLACK_BOX): Insert cast.
2262         (pbb_set_black_box): New setter.
2263         (pbb_loop_at_index, pbb_loop_index): Removed.
2264         (scop_set_region, scop_set_nb_params): New.
2265         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2266         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2267         (build_poly_scop): Use scop_set_nb_params.
2268         * sese.h (gimple_bb): Add LOOPS.
2269         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2270
2271 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2272
2273         Revert previous commit.
2274
2275 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2278         (register_old_and_new_names): Update the content of the map.
2279         When there was already a rename_map_elt in the map at that
2280         location, free it.
2281         (copy_bb_and_scalar_dependences): Do rename_variables after
2282         expand_scalar_variables.
2283         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2284         of the map.  When there was already a rename_map_elt in the
2285         map at that location, free it.
2286         (translate_clast): Pass the rename_map.  Do not initialize and free
2287         a rename_map per stmt_user.
2288         (gloog): Initialize and free one rename_map and pass it to
2289         translate_clast.
2290
2291 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2292
2293         Remove forgotten line in revert.
2294
2295 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         Revert previous commit.
2298
2299 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         * sese.c (register_old_and_new_names): Update the content
2302         of the map.  When there was already a rename_map_elt in the
2303         map at that location, free it.
2304         (copy_bb_and_scalar_dependences): Do rename_variables after
2305         expand_scalar_variables.
2306         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2307         of the map.  When there was already a rename_map_elt in the
2308         map at that location, free it.
2309         (translate_clast): Pass the rename_map.  Do not initialize and free
2310         a rename_map per stmt_user.
2311         (gloog): Initialize and free one rename_map and pass it to
2312         translate_clast.
2313
2314 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * graphite-clast-to-gimple.c (translate_clast): context_loop
2317         is never NULL.
2318
2319 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2320             Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2323         of the use of ppl_Polyhedron_map_space_dimensions.
2324
2325 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2326             Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2329         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2330         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2331         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2332         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2333         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2334         pbb_nb_params): New.
2335         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2336         nb_loops_around_pbb): Adapt return types.
2337
2338 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2339
2340         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2341         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2342         graphite-scop-detection.o, graphite-poly.o): Add
2343         more headers.
2344
2345 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2346
2347         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2348         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2349         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2350
2351 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2352
2353         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2354         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2355         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2356         * testsuite/gcc.dg/graphite/block-0.c: Same.
2357         * testsuite/gcc.dg/graphite/block-1.c: Same.
2358         * testsuite/gcc.dg/graphite/block-2.c: Same.
2359         * testsuite/gcc.dg/graphite/block-3.c: Same.
2360         * testsuite/gcc.dg/graphite/block-4.c: Same.
2361         * testsuite/gcc.dg/graphite/block-5.c: Same.
2362         * testsuite/gcc.dg/graphite/block-6.c: Same.
2363         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2364         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2365         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2366         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2367         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2368         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2369         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2370         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2371         * opts.c: Remove -floop-block from -O2.
2372         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2373         -floop-strip-mine are used.
2374
2375 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2376             Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2379         dimensions.
2380         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2381         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2382         strip_mine_profitable_p, is_interchange_valid,
2383         graphite_trans_bb_block, graphite_trans_loop_block,
2384         graphite_trans_scop_block): Temporary removed.
2385         (extend_scattering, unify_scattering_dimensions): New.
2386         (print_scattering_function, graphite_read_transforms):
2387         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2388         (graphite_generate_scattering_fns): Removed.
2389         (apply_poly_transforms): Cleanup.
2390         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2391         (schedule_to_scattering): Moved.
2392         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2393         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2394         (pbb_nb_scattering): New.
2395         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2396         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2397         Removed.
2398         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2399         shift_poly.
2400         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2401         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2402         -> PBB_TRANSFORMED_SCATTERING.
2403         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2404         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2405         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2406         (check_poly_representation): Do not return bool.
2407         (graphite_transform_loops): Reformat.
2408         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2409
2410 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2411
2412         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2413         debug_pbb_domain, debug_pbb, debug_scop): New.
2414         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2415         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2416
2417 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         PR middle-end/39335
2420         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2421         when the type precision of the induction variable should be
2422         larger than the type precision of nit.
2423         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2424         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2425         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2426
2427         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2428         * testsuite/gcc.dg/graphite/pr39335.c: New.
2429
2430 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2433         SSA_NAMES not struct reduction_info.
2434
2435 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2438
2439 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2440             Tobias Grosser  <grosser@fim.uni-passau.de>
2441
2442         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2443         (free_sese): Free SESE_REDUCTION_LIST.
2444         * sese.h (struct sese): Add field reduction_list.
2445         (SESE_REDUCTION_LIST): New.
2446         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2447         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2448
2449 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2450             Tobias Grosser  <grosser@fim.uni-passau.de>
2451
2452         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2453         of loop_p.
2454
2455 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2456             Tobias Grosser  <grosser@fim.uni-passau.de>
2457
2458         * tree-parloops.c (struct brli, build_reduction_list_info,
2459         analyze_reduction_list, gather_scalar_reductions): New.
2460         (loop_parallel_p): Build a reduction list containing only
2461         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2462         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2463         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2464         * tree-flow.h (gather_scalar_reductions): Declared.
2465
2466 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         PR middle-end/39308
2469         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2470         number_of_iterations_exit from a gcc_assert.
2471
2472 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2473             Jan Sjodin  <jan.sjodin@amd.com>
2474
2475         * output.h (graphite_out_file, graphite_in_file): Declared.
2476         * toplev.c (graphite_out_file, graphite_in_file): New.
2477         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2478         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2479         Don't call schedule_to_scattering.
2480         * common.opt (fgraphite-write, fgraphite-read): New.
2481         * graphite-poly.c: Include output.h.
2482         (print_scattering_function, print_scattering_functions,
2483         debug_scattering_function, debug_scattering_functions,
2484         graphite_write_transforms, graphite_read_transforms,
2485         graphite_generate_scattering_fns): New.
2486         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2487         Call graphite_generate_scattering_fns, graphite_write_transforms,
2488         graphite_read_transforms.
2489         (new_poly_bb): Initialize PBB_SCATTERING.
2490         (free_poly_bb): Free PBB_SCATTERING.
2491         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2492         * graphite-poly.h (struct poly_bb): Add field scattering.
2493         (PBB_SCATTERING): New.
2494         (print_scattering_function, print_scattering_functions,
2495         debug_scattering_function, debug_scattering_functions): Declared.
2496         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2497         GMP values, not integers!
2498         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2499         ppl_read_polyhedron_matrix): New.
2500         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2501         debug_ppl_polyhedron_matrix,
2502         ppl_read_polyhedron_matrix): Declared.
2503         * Makefile.in (graphite-poly.o): Depends on output.h.
2504
2505 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2506             Tobias Grosser  <grosser@fim.uni-passau.de>
2507
2508         Revert this change:
2509         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2510         scalar evolutions in the scop_entry->loop_father.
2511
2512 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2513             Tobias Grosser  <grosser@fim.uni-passau.de>
2514
2515         * graphite.h (ref_nb_loops): Remove declaration.
2516         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2517         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2518         debug_gbb): Moved to sese.h.
2519         * sese.h: As said.
2520
2521 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2522             Tobias Grosser  <grosser@fim.uni-passau.de>
2523
2524         * graphite-data-ref.[ch]: Disable.
2525
2526 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2527             Tobias Grosser  <grosser@fim.uni-passau.de>
2528
2529         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2530         scalar evolutions in the scop_entry->loop_father.
2531
2532 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2533
2534         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2535         (graphite_cannot_represent_loop_niter): Renamed
2536         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2537         (limit_scops): build_sese_loop_nests does not return a bool.
2538         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2539         * sese.c (nb_reductions_in_loop): ... from here.
2540         (graphite_loop_normal_form): ... from here.
2541         (sese_record_loop): Does not fail, so does not return a bool.
2542         (build_sese_loop_nests): Same.
2543         * sese.h (build_sese_loop_nests): Update declaration.
2544         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2545         (build_graphite_loop_normal_form): New.
2546         (gloog): Call build_graphite_loop_normal_form.
2547         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2548         build_sese_loop_nests.
2549
2550         * testsuite/gcc.dg/graphite/id-1.c: New.
2551
2552 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2553             Tobias Grosser  <grosser@fim.uni-passau.de>
2554
2555         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2556         The SCoP detection fix is sufficient.
2557
2558 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2559
2560         PR tree-optimization/39260
2561         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2562         the basic block contains a condition with a real type.
2563         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2564
2565         * gcc.dg/graphite/pr39260.c: New.
2566
2567 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2568
2569         * graphite-poly.c: Inlcude params.h.
2570         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2571         the size of a tile.
2572         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2573         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2574
2575 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2576             Tobias Grosser  <grosser@fim.uni-passau.de>
2577
2578         * graphite-scop-detection.c (dot_all_scops_1,
2579         dot_all_scops): Moved here.
2580         * graphite-scop-detection.h (dot_all_scops): Declared here.
2581         * graphite.c (graphite_initialize, graphite_finalize): New.
2582         (graphite_transform_loops): Cleaned up.
2583         * sese.c (debug_oldivs): Moved here.
2584         * graphite-poly.c (graphite_apply_transformations): Renamed
2585         apply_poly_transforms.
2586         (debug_loop_vec): Moved here.
2587         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2588         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2589         find_scop_parameters, build_scop_iteration_domain,
2590         add_conditions_to_constraints, build_scop_canonical_schedules,
2591         build_scop_data_accesses): Now static.
2592         (build_poly_scop, check_poly_representation): New.
2593
2594 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2595
2596         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2597         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2598         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2599         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2600         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2601         scan_tree_for_params, struct irp_data, dx_record_params,
2602         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2603         build_loop_iteration_domains, add_conditions_to_domain,
2604         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2605         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2606         build_sese_conditions, add_conditions_to_constraints,
2607         build_scop_iteration_domain, build_access_matrix_with_af,
2608         build_access_matrix,
2609         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2610
2611         * graphite-sese-to-poly.c: New.
2612         * graphite-sese-to-poly.h: New.
2613
2614         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2615
2616 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * graphite.c: Split graphite code generation to a new file.
2619         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2620         max_precision_type, clast_to_gcc_expression_red,
2621         clast_to_gcc_expression, gcc_type_for_clast_expr,
2622         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2623         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2624         graphite_create_new_guard, clast_get_body_of_loop,
2625         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2626         graphite_create_new_loop, build_iv_mapping, copy_renames,
2627         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2628         compute_cloog_iv_types, free_scattering, save_var_name,
2629         initialize_cloog_names, build_scop_context, build_cloog_prog,
2630         set_cloog_options, debug_clast_stmt, scop_to_clast,
2631         print_generated_program, debug_generated_program,
2632         gloog): Moved to graphite-clast-to-gimple.c.
2633
2634         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2635
2636         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2637         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2638         loop_iv_stack_pop, loop_iv_stack_get_iv,
2639         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2640         free_loop_iv_stack, loop_iv_stack_remove_constants,
2641         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2642         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2643         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2644         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2645         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2646         get_vdef_before_sese, sese_adjust_vphi,
2647         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2648         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2649         is_iv, expand_scalar_variables_ssa_name,
2650         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2651         expand_scalar_variables, rename_variables, remove_condition,
2652         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2653         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2654         default_liveout_before_guard, add_guard_exit_phis,
2655         insert_guard_phis, register_old_and_new_names,
2656         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2657         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2658         if_region_set_false_region, create_if_region_on_edge,
2659         move_sese_in_condition): Moved to sese.c.
2660
2661         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2662         if_region_exit, if_region_get_condition_block,
2663         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2664         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2665         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2666         ivtype_map_elt, new_ivtype_map_elt,
2667         recompute_all_dominators): Moved to sese.h.
2668
2669         * graphite-clast-to-gimple.c: New.
2670         * graphite-clast-to-gimple.h: New.
2671         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2672         * sese.c: Modified as said above.
2673         * sese.h: Same.
2674
2675 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * graphite.c: Split scop detection to a new file.
2678         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2679         move_sd_regions, loop_affine_expr, exclude_component_ref,
2680         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2681         graphite_cannot_represent_loop_niter, struct scopdet_info,
2682         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2683         find_single_entry_edge, find_single_exit_edge,
2684         create_single_entry_edge, sd_region_without_exit,
2685         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2686         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2687         Moved to graphite-scop-detection.c.
2688
2689         * graphite-scop-detection.c: New.
2690         * graphite-scop-detection.h: New.
2691         * Makefile.in: Add new rule for graphite-scop-detection.o.
2692
2693         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2694         tree-scalar-evolution.h.
2695         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2696         build_sese_loop_nests): Moved here from graphite.c.
2697         (param_index): Renamed parameter_index_in_region.
2698
2699 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2700             Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * gcc.dg/graphite/block-0.c: Expected to fail now.
2703         * gcc.dg/graphite/block-1.c: Same.
2704         * gcc.dg/graphite/block-5.c: Same.
2705         * gcc.dg/graphite/block-6.c: Same.
2706
2707 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2708             Sebastian Pop  <sebastian.pop@amd.com>
2709
2710         * graphite.h: Separate from graphite_bb_p the polyhedral
2711         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2712         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2713         graphite-data-ref.h.
2714         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2715         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2716         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2717         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2718         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2719         scop_nb_params): Moved to graphite-poly.h.
2720         * graphite-data-ref.c: Same.
2721         * graphite-data-ref.h: New.
2722         * graphite.c: Same.
2723         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2724         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2725         is_interchange_valid, graphite_trans_bb_block,
2726         graphite_trans_loop_block, scop_max_loop_depth,
2727         graphite_trans_scop_block, graphite_apply_transformations,
2728         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2729         graphite-poly.c.
2730         * graphite-poly.h: New.
2731         * graphite-poly.c: New.
2732         * Makefile.in (OBJS-common): Add graphite-poly.o.
2733         (graphite-poly.o): New rule.
2734         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2735         (DR_SCOP): Removed.
2736
2737 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2738             Tobias Grosser  <grosser@fim.uni-passau.de>
2739
2740         * graphite.c: Replace gb -> gbb.
2741         * graphite.h: Same.
2742         * graphite-data-ref.c: Same.
2743
2744 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2745             Tobias Grosser  <grosser@fim.uni-passau.de>
2746
2747         * Makefile.in (OBJS-commmon): Add sese.o.
2748         (sese.o): New.
2749         (graphite.o): Add sese.h.
2750         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2751         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2752         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2753         Move to sese.
2754         (block_before_scop): Add missing return.
2755         (new_scop, free_scop): Remove SESE data structures.
2756         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2757         find_scop_parameters, build_loop_iteration_domains,
2758         add_conditions_to_domain, register_scop_liveout_renames,
2759         copy_bb_and_scalar_dependences): Scop -> SESE.
2760
2761         (add_conditions_to_domain): SCoP -> SESE and remove check
2762         (scop_contains_non_iv_scalar_phi_nodes): New.
2763         (build_scop_conditions_1, build_scop_conditions): Remove check for
2764         non iv scalar phi nodes.
2765         (print_scop_statistics): New.
2766         (graphite_transform_loops): Cleanup.
2767
2768         * graphite.h: Move to sese & cleanup.
2769         * sese.c: New.
2770         * sese.h: New.
2771
2772 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2773             Tobias Grosser  <grosser@fim.uni-passau.de>
2774
2775         * graphite.c (build_scop_conditions_1): Conditions are only
2776         at the end of a basic block.
2777
2778 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2779             Tobias Grosser  <grosser@fim.uni-passau>
2780
2781         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2782         field.
2783         (GBB_ALPHA): Removed.
2784
2785 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2786             Tobias Grosser  <grosser@fim.uni-passau.de>
2787
2788         * graphite-data-ref.c (graphite_test_dependence): Don't use
2789         GBB_DYNAMIC_SCHEDULE.
2790         * graphite.c (new_graphite_bb): Same.
2791         (free_graphite_bb): Same.
2792         (build_scop_dynamic_schedules): Removed.
2793         (graphite_transform_loops): Don't call it.
2794         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2795         (GBB_DYNAMIC_SCHEDULE): Removed.
2796
2797 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2798             Tobias Grosser  <grosser@fim.uni-passau.de>
2799
2800         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2801         (print_graphite_bb): Same.
2802         (build_cloog_prog): Same.
2803
2804 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2805             Tobias Grosser  <grosser@fim.uni-passau.de>
2806
2807         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2808
2809 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2810             Tobias Grosser  <grosser@fim.uni-passau.de>
2811
2812         * graphite.c (build_scop_context): Don't use CloogMatrix.
2813         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2814         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2815
2816 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2817             Tobias Grosser  <grosser@fim.uni-passau.de>
2818
2819         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2820         liveout_renames, add_params fields...
2821         (struct sese): ... here.
2822         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2823         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2824
2825 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2826             Tobias Grosser  <grosser@fim.uni-passau.de>
2827
2828         * graphite.c (print_scop): Do not print the CLooG program.
2829         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2830         build_cloog_prog, gloog): Don't use SCOP_PROG.
2831         (find_transform): Renamed scop_to_clast.
2832         (print_generated_program, debug_generated_program): New.
2833         (graphite_transform_loops): Adapt to new interface.
2834         * graphite.h (struct scop): Remove program field.
2835         (SCOP_PROG): Removed.
2836         (print_generated_program, debug_generated_program): Declared.
2837
2838 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2839
2840         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2841         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2842         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2843         free_graphite_bb, build_scop_canonical_schedules,
2844         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2845         schedules are now represented using a ppl_Linear_Expression_t.
2846         * graphite.h (struct graphite_bb): Same.
2847         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2848         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2849
2850 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2851
2852         * graphite.c: Free local memory.
2853         * graphite-ppl.c: Same.
2854
2855 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2858         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2859         swap_constraint_variables, scale_constraint_variable): Removed.
2860         (graphite_trans_bb_strip_mine): Remove pong.
2861         * graphite-ppl.c: Include missing header files.
2862         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2863         * graphite-ppl.h (ppl_strip_loop): Declared.
2864         * Makefile.in (graphite-ppl.o): Adjust dependences.
2865
2866 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2867
2868         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2869         (build_scop_iteration_domain): Same.
2870
2871 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2874         ping pong.
2875         (add_value_to_dim, scan_tree_for_params_right_scev,
2876         scan_tree_for_params_int): New.
2877         * graphite-ppl.c (oppose_constraint): New.
2878         (insert_constraint_into_matrix): Implement missing cases.
2879         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2880
2881 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2882
2883         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2884         use ppl_move_dimension.
2885
2886 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2887
2888         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2889         * graphite.c: Same.
2890         * graphite.h: Same.
2891         * graphite-ppl.c: Same.
2892         * graphite-ppl.h: Same.
2893
2894 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2895
2896         Revert last 3 commits.
2897
2898 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2899
2900         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2901         ping pong.
2902         (add_value_to_dim, scan_tree_for_params_right_scev,
2903         scan_tree_for_params_int): New.
2904         * graphite-ppl.c (oppose_constraint): New.
2905         (insert_constraint_into_matrix): Implement missing cases.
2906         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2907
2908 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2911
2912 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2913             Tobias Grosser  <grosser@fim.uni-passau.de>
2914
2915         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2916         use ppl_move_dimension.
2917         * graphite-ppl.c (ppl_move_dimension): New.
2918         * graphite-ppl.h (ppl_move_dimension): Declared.
2919
2920 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * graphite.c: Do not include cloog/cloog.h.
2923         (print_graphite_bb): Remove ping pong, call PPL print function.
2924
2925 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2926
2927         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2928         (graphite.o): Add dependence on graphite-ppl.h.
2929         (graphite-ppl.o): New.
2930         (graphite-data-ref.c): Ping pong between PPL data structures
2931         and matrices.
2932         * graphite-ppl.c: New.
2933         * graphite-ppl.h: New.
2934         * graphite.c: Include graphite-ppl.h.
2935         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2936         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2937         Ping pong between PPL data structures and matrices.
2938         (new_graphite_bb): Create a PPL constraint system.
2939         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2940         (build_loop_iteration_domains): Use PPL functions.
2941         * graphite.h: Include graphite-ppl.h.  Fix comments.
2942         (graphite_bb): Use a ppl_Constraint_System_t instead of
2943         CloogMatrix for representing the domain.
2944         (scop): Remove static_schedule.
2945         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2946
2947 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2948
2949         * graphite.c: Fix some comments.
2950
2951 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2952
2953         PR middle-end/38953
2954         * graphite.c (if_region_set_false_region): After moving a region
2955         in the false branch of a condition, remove the empty dummy
2956         basic block.
2957         (gloog): Remove wrong fix for PR38953.
2958
2959 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2960
2961         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2962         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2963         register_bb_in_sese, new_sese, free_sese): Moved.
2964         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2965         outermost_loop_in_scop, build_scop_iteration_domain,
2966         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2967         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2968         Use loop_in_sese_p instead of loop_in_scop_p.
2969         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2970         (free_scop): Do not free SCOP_BBS_B.
2971         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2972         ref_nb_loops): Moved here...
2973         * graphite.h (ref_nb_loops): ... from here.
2974         (struct scop): Remove bbs_b bitmap.
2975         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2976         * testsuite/gcc.dg/graphite/scop-19.c: New
2977
2978 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2979
2980         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2981         detection.
2982
2983 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2984
2985         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2986         eq_loop_to_cloog_loop): Remove.
2987         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2988         * graphite.h (struct scop): Remove loop2cloog_loop.
2989         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2990
2991 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2992
2993         * opts.c (decode_options): Only add graphite options to O2
2994         if we compile with graphite enabled.
2995
2996 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * Merge from mainline (r143163:143684).
2999
3000 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3001
3002         * graphite.c (debug_value): Removed.
3003         * graphite.h (debug_value): Removed.
3004
3005 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3008         after graphite: pass_copy_prop does not maintain a proper loop closed
3009         SSA form.  pass_copy_prop should be fixed.
3010
3011 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3014
3015 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3016
3017         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3018         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3019         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3020         changed the CFG.
3021
3022 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3023
3024         * graphite.c (gloog): Return true when code gen succeeded.
3025         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3026         the code of the function did not changed.  After cleanup_tree_cfg
3027         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3028         form.
3029
3030 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3033         gimple_call_lhs is NULL.
3034
3035 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3036             Tobias Grosser  <tobi.grosser@amd.com>
3037
3038         * graphite.c (graphite_trans_scop_block): Do not block single
3039         nested loops.
3040
3041 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3042             Tobias Grosser  <tobi.grosser@amd.com>
3043
3044         * graphite.c (build_scop_canonical_schedules): Start schedules at
3045         zero.
3046
3047 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3048             Tobias Grosser  <tobi.grosser@amd.com>
3049
3050         * graphite.c (compare_prefix_loops): New.
3051         (build_scop_canonical_schedules): Rewritten.
3052         (graphite_transform_loops): Move build_scop_canonical_schedules
3053         after build_scop_iteration_domain.
3054
3055 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3056             Tobias Grosser  <tobi.grosser@amd.com>
3057
3058         * graphite.c (add_conditions_to_domain): Add the loops to
3059         the dimension of the iteration domain.  Do copy the domain
3060         only when it exists.
3061         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3062         (add_conditions_to_constraints): New.
3063         (can_generate_code_stmt, can_generate_code): Removed.
3064         (gloog): Do not call can_generate_code.
3065         (graphite_transform_loops): Call add_conditions_to_constraints
3066         after building the iteration domain.
3067
3068 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3069             Tobias Grosser  <tobi.grosser@amd.com>
3070             Jan Sjodin  <jan.sjodin@amd.com>
3071
3072         * graphite.c (scan_tree_for_params): On substractions negate
3073         all the coefficients of the term.
3074         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3075         of more than two operands.
3076         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3077         (get_vdef_before_scop): Handle also the case of default definitions.
3078
3079 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3080
3081         PR middle-end/38431
3082         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3083         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3084         (gloog): Do not call cleanup_tree_cfg.
3085         (graphite_transform_loops): Call cleanup_tree_cfg after all
3086         scops have been code generated.
3087
3088 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3089
3090         * passes.c (init_optimization_passes): Schedule after
3091         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3092
3093 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3096         Fix comment.
3097         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3098         Set the type of an expression to the type of its assign statement.
3099         (expand_scalar_variables_expr):  Do not pass loop_p.
3100         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3101         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3102         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3103
3104 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3105
3106         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3107         an expression to the gimple_expr_type of its assign statement.
3108         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3109         or tcc_declaration.
3110
3111 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         PR tree-optimization/38786
3114         * testsuite/gcc.dg/graphite/pr38786.c: New.
3115         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3116         the SSA_NAME case of expand_scalar_variables_expr.
3117         (expand_scalar_variables_expr): Also gather the scalar computation
3118         used to index the memory access.
3119         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3120         the gimple_stmt_iterator where it inserts new code.
3121
3122 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3125
3126 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         * opts.c (decode_options): Enable flag_graphite_identity and
3129         flag_loop_block in -O2 and above.
3130
3131 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3132
3133         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3134         Fix merge problem: replace with the file from trunk.
3135
3136 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3137
3138         * Merge from mainline (r141727:143163).
3139
3140 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3141             Jan Sjodin  <jan.sjodin@amd.com>
3142
3143         PR tree-optimization/38559
3144         * testsuite/gcc.dg/graphite/pr38559.c: New.
3145
3146         * graphite.c (debug_value, copy_constraint,
3147         swap_constraint_variables, scale_constraint_variable, ): New.
3148         (get_lower_bound, get_upper_bound): Removed.
3149         (graphite_trans_bb_strip_mine): Clean up this code that works
3150         only for constant number of iterations.  Fully copy upper and
3151         lower bound constraints, not only the constant part of them.
3152         * graphite.h (debug_value): Declared.
3153
3154 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3155
3156         PR tree-optimization/38492
3157         PR tree-optimization/38498
3158         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3159         * tree-chrec.h (scev_is_linear_expression): Declared.
3160         * graphite.c (graphite_cannot_represent_loop_niter): New.
3161         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3162         (graphite_loop_normal_form): Use gcc_assert.
3163         (scan_tree_for_params): Use CASE_CONVERT.
3164         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3165         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3166         Use gcc_assert.  Discard scops that contain unhandled cases.
3167         (build_scop_conditions): Return a boolean status for unhandled cases.
3168         (strip_mine_profitable_p): Print the loop number, not its depth.
3169         (is_interchange_valid): Pass the depth of the loop nest, don't
3170         recompute it wrongly.
3171         (graphite_trans_bb_block): Same.
3172         (graphite_trans_bb_block): Print tentative of loop blocking.
3173         (graphite_trans_scop_block): Do not print that the loop has been
3174         blocked.
3175         (graphite_transform_loops): Do not handle scops that contain condition
3176         scalar phi nodes.
3177
3178         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3179         in trunk.
3180         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3181         * testsuite/gcc.dg/graphite/block-1.c: Same.
3182         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3183         blocking.
3184         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3185         * testsuite/gcc.dg/graphite/block-3.c: New.
3186         * testsuite/gcc.dg/graphite/pr38498.c: New.
3187
3188 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3189
3190         PR tree-optimization/38510
3191         * gcc.dg/graphite/pr38510.c: New.
3192         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3193           (translate_clast): Call recompute_all_dominators before
3194           graphite_verify.
3195           (gloog): Call recompute_all_dominators before graphite_verify.
3196
3197 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3198
3199         PR tree-optimization/38492
3200         * graphite.c (rename_map_elt, debug_rename_elt,
3201         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3202         rename_map_elt_info, eq_rename_map_elts,
3203         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3204         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3205         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3206         (sese_build_livein_liveouts): New.
3207         (new_sese, free_sese): New.
3208         (new_scop): Call new_sese.
3209         (free_scop): Call free_sese.
3210         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3211         (register_old_new_names): Renamed register_old_and_new_names.
3212         (register_scop_liveout_renames, add_loop_exit_phis,
3213         insert_loop_close_phis, struct igp,
3214         default_liveout_before_guard, add_guard_exit_phis,
3215         insert_guard_phis, copy_renames): New.
3216         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3217         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3218         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3219         (scop_adjust_phis_for_liveouts): New.
3220         (gloog): Call scop_adjust_phis_for_liveouts.
3221
3222         * graphite.h (struct sese): Documented.  Added fields liveout,
3223         num_ver and livein.
3224         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3225         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3226         (struct scop): Added field liveout_renames.
3227         (SCOP_LIVEOUT_RENAMES): New.
3228
3229 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3230
3231         PR tree-optimization/38409
3232         * gcc.dg/graphite/pr38409.c: New.
3233         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3234
3235 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * graphite.c (gcc_type_for_cloog_iv): By default return
3238         integer_type_node.
3239         (graphite_create_new_loop): Don't fold_convert the already
3240         fold_convert-ed expression.
3241
3242 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3243
3244         PR tree-optimization/38446
3245         * gcc.dg/graphite/pr38446.c: New.
3246         * graphite.c (register_bb_in_sese): New.
3247         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3248         looking at the bbs in the region.
3249         * graphite.h (sese): Add region_basic_blocks pointer set to
3250         structure and initialize at the time of defining new scop.
3251
3252 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3253
3254         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3255         (find_params_in_bb): Do not free data refs.
3256         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3257
3258 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3261         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3262         * testsuite/gcc.dg/graphite/block-5.c: New.
3263         * testsuite/gcc.dg/graphite/block-6.c: New.
3264         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3265         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3266         * testsuite/gcc.dg/graphite/block-2.c: Same.
3267
3268         * graphite.c (struct ivtype_map_elt): New.
3269         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3270         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3271         gcc_type_for_cloog_iv): New.
3272         (loop_iv_stack_patch_for_consts): Use the type of the induction
3273         variable from the original loop, except for the automatically
3274         generated loops, i.e., in the case of a strip-mined loop, in
3275         which case there is no original loop: in that case just use
3276         integer_type_node.
3277         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3278         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3279         (clast_name_to_gcc): Accept params to be NULL.
3280         (clast_to_gcc_expression): Take an extra parameter for the type.
3281         Convert to that type all the expressions built by this function.
3282         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3283         (graphite_translate_clast_equation): Compute the type of the
3284         clast_equation before translating its LHS and RHS.
3285         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3286         (graphite_create_new_loop): Compute the type of the induction
3287         variable before translating the lower and upper bounds and before
3288         creating the induction variable.
3289         (rename_variables_from_edge, rename_phis_end_scop): New.
3290         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3291         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3292         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3293         compute_cloog_iv_types): New.
3294         (gloog): Call compute_cloog_iv_types before starting the
3295         translation of the clast.
3296
3297         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3298         (GBB_CLOOG_IV_TYPES): New.
3299         (debug_ivtype_map): Declared.
3300         (oldiv_for_loop): New.
3301
3302 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3303
3304         PR middle-end/38459
3305         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3306         (param_index): Assert if parameter is not know after parameter
3307         detection.
3308         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3309         (find_scop_parameters): Mark, that we have finished parameter
3310         detection.
3311         (graphite_transform_loops): Move condition detection before parameter
3312         detection.
3313         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3314         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3315
3316 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3317
3318         * graphite.c (graphite_transform_loops): Always call find_transform ()
3319         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3320         generate code.
3321
3322 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3323
3324         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3325         (print_scop): Ditto.
3326
3327 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3328
3329         PR middle-end/38084
3330         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3331         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3332         regions more than once.
3333
3334 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3335
3336         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3337         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3338         when not needed.
3339
3340 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3343         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3344         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3345         (max_precision_type): New.
3346         (value_clast): Removed.
3347         (clast_to_gcc_expression): Be more careful to types of expressions.
3348         Use max_precision_type and update use of gmp_cst_to_tree.
3349         (graphite_translate_clast_equation): Use max_precision_type.
3350         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3351         use the type of the condition.
3352         (graphite_create_new_loop): Do not use integer_type_node, use the
3353         max_precision_type of lb and ub.
3354
3355 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite.c (build_scops_1): Initialize open_scop.exit
3358         and sinfo.last.
3359
3360 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * testsuite/gcc.dg/graphite/pr38084.c: New.
3363         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3364         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3365         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3366         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3367         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3368
3369 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3370             Jan Sjodin  <jan.sjodin@amd.com>
3371             Harsha Jagasia  <harsha.jagasia@amd.com>
3372
3373         PR middle-end/37852
3374         PR middle-end/37883
3375         PR middle-end/37928
3376         PR middle-end/37980
3377         PR middle-end/38038
3378         PR middle-end/38039
3379         PR middle-end/38073
3380         PR middle-end/38083
3381         PR middle-end/38125
3382
3383         * testsuite/gcc.dg/graphite/pr38073.c: New.
3384         * testsuite/gcc.dg/graphite/pr37928.c: New.
3385         * testsuite/gcc.dg/graphite/pr37883.c: New.
3386         * testsuite/gcc.dg/graphite/pr38125.c: New.
3387         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3388         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3389         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3390
3391         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3392         the number of detected scops.  Copy exact same test for loop
3393         blocking...
3394         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3395         loops to be blocked as reductions are not handled.
3396         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3397
3398         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3399         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3400         ...here.
3401         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3402         * Makefile.in (graphite.o): Depend on value-prof.h.
3403         (graphite.o-warn): Removed -Wno-error.
3404         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3405         to be a NULL pointer.  Call update_stmt.  Return the newly created
3406         cannonical induction variable.
3407
3408         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3409
3410         * graphite.c: Reimplement the code generation from graphite to gimple.
3411         Include value-prof.h.
3412         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3413         (get_old_iv_from_ssa_name): Removed.
3414         (graphite_stmt_p): New.
3415         (new_graphite_bb): Test for useful statements before building a
3416         graphite statement for the basic block.
3417         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3418         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3419         reason.
3420         (recompute_all_dominators, graphite_verify,
3421         nb_reductions_in_loop, graphite_loop_normal_form): New.
3422         (scop_record_loop): Call graphite_loop_normal_form.
3423         (build_scop_loop_nests): Iterate over all the blocks of the
3424         function instead of relying on the incomplete information from
3425         SCOP_BBS.  Return the success of the operation.
3426         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3427         (add_bb_domains): Removed.
3428         (build_loop_iteration_domains): Don't call add_bb_domains.
3429         Add the iteration domain only to the basic blocks that have been
3430         translated to graphite.
3431         (build_scop_conditions_1): Add constraints only if the basic
3432         block have been translated to graphite.
3433         (build_scop_data_accesses): Completely disabled until data
3434         dependence is correctly implemented.
3435         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3436         (remove_all_edges_1, remove_all_edges): Removed.
3437         (get_new_name_from_old_name): New.
3438         (graphite_rename_variables_in_stmt): Renamed
3439         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3440         Use replace_exp and update_stmt.
3441         (is_old_iv): Renamed is_iv.
3442         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3443         Use replace_exp and update_stmt.
3444         (expand_scalar_variables_expr): Same.  Use the map to get the
3445         new names for the renaming of induction variables and for the
3446         renaming of variables after a basic block has been copied.
3447         (expand_scalar_variables): Same.
3448         (graphite_rename_variables): Renamed rename_variables.
3449         (move_phi_nodes): Removed.
3450         (get_false_edge_from_guard_bb): New.
3451         (build_iv_mapping): Do not insert the induction variable of a
3452         loop in the renaming iv map if the basic block does not belong
3453         to that loop.
3454         (register_old_new_names, graphite_copy_stmts_from_block,
3455         copy_bb_and_scalar_dependences): New.
3456         (translate_clast): Heavily reimplemented: copy basic blocks,
3457         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3458         At each translation step call graphite_verify ensuring the
3459         consistency of the SSA, loops and dominators information.
3460         (collect_virtual_phis, find_vdef_for_var_in_bb,
3461         find_vdef_for_var_1, find_vdef_for_var,
3462         patch_phis_for_virtual_defs): Removed huge hack.
3463         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3464         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3465         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3466         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3467         if_region_get_condition_block, if_region_set_false_region,
3468         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3469         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3470         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3471         rewrite_into_sese_closed_ssa): New.
3472         (gloog): Remove dead code.  Early return if code cannot be
3473         generated.  Call cleanup_tree_cfg once the scop has been code
3474         generated.
3475         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3476         block loops with less than two loops.
3477         (graphite_apply_transformations): Remove the call to
3478         scop_remove_ignoreable_gbbs.
3479         (limit_scops): When build_scop_loop_nests fails, continue on
3480         the next scop.  Fix open_scop.entry.
3481         (graphite_transform_loops): Call recompute_all_dominators: force the
3482         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3483         Call initialize_original_copy_tables and free_original_copy_tables
3484         to be able to copy basic blocks during code generation.
3485         When build_scop_loop_nests fails, continue on next scop.
3486         (value_clast): New union.
3487         (clast_to_gcc_expression): Fix type cast warning.
3488
3489 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3490
3491         * Merge from mainline (r140838:141727).
3492
3493 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3494
3495         PR middle-end/37833
3496
3497         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3498
3499 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3500
3501         PR middle-end/37943
3502
3503         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3504         exits and conditions.
3505         * testsuite/gcc.dg/graphite/pr37943.c: New.
3506
3507 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3508
3509         PR middle-end/37886
3510         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3511
3512 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3513
3514         * doc/invoke.texi: Fix spaces.
3515
3516 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3517
3518         PR tree-optimization/37891
3519         Reverted last commit.
3520         * graphite.c (create_single_entry_edge): Set
3521         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3522
3523 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3524             Mitul Thakkar  <mitul.thakkar@amd.com>
3525
3526         * graphite.c (create_single_entry_edge): Set
3527         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3528
3529 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3530
3531         * doc/invoke.texi: Add -fgraphite-identity.
3532         * graphite.c (graphite_apply_transformations): Check for
3533         -fgraphite-identity.
3534         * toplev.c (process_options): Add flag_graphite_identity.
3535         * tree-ssa-loop.c: Add flag_graphite_identity.
3536
3537 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3538
3539         Undo changes from 2008-10-02:
3540         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3541         operand type when copying the operand to a variable of different type.
3542         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3543         with the IV name after increment.
3544
3545 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3546             Harsha Jagasia  <harsha.jagasia@amd.com>
3547
3548         PR tree-optimization/37828
3549         * testsuite/gcc.dg/graphite/pr37828.c: New.
3550         * graphite.c (graphite_trans_loop_block): Do not loop block
3551         single nested loops.
3552
3553 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3554             Sebastian Pop  <sebastian.pop@amd.com>
3555
3556         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3557         rename_map_elt_info, eq_rename_map_elts): New.
3558         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3559         (expand_scalar_variables_expr): Change parameters.
3560         (expand_scalar_variables_stmt): Same.
3561         (expand_scalar_variables): Same.
3562         (graphite_rename_ivs): Rename graphite_rename_variables.
3563         (build_iv_mapping): New.
3564         (translate_clast): Call build_iv_mapping.
3565         * graphite.h (gbb_p): New name.
3566
3567 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3568
3569         PR tree-optimization/37684
3570         * gcc.dg/graphite/pr37684.c: New.
3571         * graphite.c (exclude_component_ref): New.
3572         (is_simple_operand): Call exclude_component_ref.
3573
3574 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3575             Harsha Jagasia  <harsha.jagasia@amd.com>
3576
3577         PR tree-optimization/37485
3578         * gcc.dg/graphite/block-2.c: New
3579         * graphite.c (gmp_cst_to_tree): Moved.
3580         (iv_stack_entry_is_constant): New.
3581         (iv_stack_entry_is_iv): New.
3582         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3583         (loop_iv_stack_insert_constant): New.
3584         (loop_iv_stack_pop): Use new datatpype.
3585         (loop_iv_stack_get_iv): Same.
3586         (loop_iv_stack_get_iv_from_name): Same.
3587         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3588         (loop_iv_stack_patch_for_consts): New.
3589         (loop_iv_stack_remove_constants): New.
3590         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3591         (translate_clast): Call loop_iv_stack_patch_for_consts and
3592         loop_iv_stack_remove_constants.
3593         (gloog): Use new datatype.  Redirect construction edge to end
3594         block to avoid accidental deletion.
3595         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3596         iv stack entry.
3597         (union iv_stack_entry_data): New.  Data in iv stack entry.
3598         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3599
3600 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3601
3602         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3603         operand type when copying the operand to a variable of different type.
3604
3605 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3606
3607         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3608         with the IV name after increment.
3609
3610 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3611
3612         * Merge from mainline (r140164:140838).
3613
3614 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3615
3616         * graphite-data-ref.c: New.
3617         * graphite.c (print_scop): Also dump the dependence graph.
3618         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3619         (new_scop): Initialize SCOP_DEP_GRAPH.
3620         (build_scop_dynamic_schedules): New.
3621         (build_access_matrix_with_af): Fixed column numbering.
3622         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3623         * graphite.h: Add ifndef/define guards against multiple inclusion.
3624         (struct scop): Add dep_graph field.
3625         (SCOP_DEP_GRAPH): Defined.
3626         (ref_nb_loops): Fixed and moved to other position.
3627         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3628         (nb_loops_around_loop_in_scop): New.
3629         (graphite_dump_dependence_graph): Declared.
3630         (graphite_build_rdg_all_levels): Declared.
3631         (graphite_test_dependence): Declared.
3632         * Makefile.in (graphite-data-ref.o): New target.
3633
3634 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3635
3636         * Merge from mainline (139870:140164).
3637
3638 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3639
3640         * Merge from mainline (138275:139870).
3641         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3642         the commits from trunk broke the niter detection.
3643
3644 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * graphite.c: Add more documentation.  Fix formatting.
3647         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3648         loop_iv_stack_debug): Moved...
3649         (schedule_to_scattering): Move before use.
3650         (dot_all_scops): Include in "#if 0" the code for system
3651         call dotty.
3652
3653         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3654         loop_iv_stack_debug): ...here.
3655
3656 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3657
3658         * tree-phinodes.c (make_phi_node): Extern.
3659         (add_phi_node_to_bb): New.
3660         (create_phi_node): Call add_phi_node_to_bb.
3661         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3662         (remove_statement): Handle case where stored phi was updated
3663         and is no longer the same.
3664         * graphite.c (is_parameter): New.
3665         (is_old_iv): New.
3666         (expand_scalar_variables_expr): New.
3667         (expand_scalar_variables_stmt): New.
3668         (expand_scalar_variables): New.
3669         (move_phi_nodes): Create new phi instead of moving old one.
3670         (translate_clast): Call expand_scalar_variables.
3671         (find_vdef_for_var_in_bb): Also scan regular definitions.
3672         (skip_phi_defs): New.
3673         (collect_scop_exit_phi_args): New.
3674         (patch_scop_exit_phi_args): New.
3675         (gloog): Patch phis after scop.
3676         * tree-flow.h: (add_phi_node_to_bb): Declared.
3677         (make_phi_node): Declared.
3678
3679 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3680
3681         * graphite.c (end_scop): Split the entry of the scop when it
3682         is the header of the loop in which the scop is ending.
3683         (build_scops_1, limit_scops): Update uses of end_scop.
3684
3685 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3686
3687         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3688         SCOP_ENTRY or SCOP_EXIT.
3689
3690 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3691
3692         * graphite.c (get_construction_edge): Removed.
3693         (gloog): Construction edge is the scop entry edge.
3694
3695 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3696
3697         * graphite.c (can_generate_for_scop): Removed.
3698         (gloog): Do not call it.
3699
3700 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3701
3702         * graphite.c (new_scop): Entry of a scop is an edge.
3703         Initialize SESE region.
3704         (free_scop): Free SESE region.
3705         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3706         (split_difficult_bb): New, split from end_scop.
3707         (end_scop): Exit of a scop is an edge.
3708         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3709         not automatically updated and thus is always wrong.
3710         * graphite.h (struct sese): New.
3711         (SESE_ENTRY): New.
3712         (SESE_EXIT): New.
3713         (struct scop): New field for a SESE region.  Remove entry, exit.
3714         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3715         semantics as before.  Moved comment around.
3716
3717 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3718             Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * graphite.c (graphite_transform_loops): Always enable gloog
3721         and find_transform when ENABLE_CHECKING.
3722
3723 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3724
3725         * graphite.c (graphite_transform_loops): Move pretty printer
3726         of SCOPs before doing any transform.  Remove call to print_scops
3727         and dot_all_scops_1.
3728
3729 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3732         (print_graphite_bb): Same.
3733
3734 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3735
3736         * graphite.c (dot_all_scops_1): Cleanup.
3737         (move_scops): Fix comment.
3738
3739 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3740
3741         * graphite.c (build_scop_bbs): Revert commit 139355:
3742
3743         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3744                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3745
3746                 * graphite.c (build_scop_bbs): Factor up code.
3747
3748 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3749
3750         * graphite.c (gloog): Update dominator info.
3751
3752 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3753
3754         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3755
3756 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3759         initialization.
3760         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3761         (translate_clast): Correct formatting.
3762         * graphite.h (struct num_map): Removed.
3763         (struct graphite_bb): Remove num_map field.
3764         (GBB_INDEX_TO_NUM_MAP): Removed.
3765
3766 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3767
3768         * graphite.c (build_access_matrix_with_af): Fix comments.
3769         (build_scop_data_accesses): Same.
3770
3771 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * graphite.c (build_scop_data_accesses): Don't construct
3774         access matrices.  Add a FIXME and an assert condition that
3775         should pass when the access matrices will be needed.
3776
3777 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3780         really_constant_p.
3781         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3782         Moved close by free_graphite_bb.
3783         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3784         (new_scop): Move close by free_scop.
3785         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3786
3787 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3788
3789         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3790         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3791         instead of recursive call.
3792         (graphite_translate_clast_equation): New.
3793         (graphite_create_guard_cond_expr): New.
3794         (graphite_create_new_guard): New.
3795         (get_stack_index_from_iv): Removed.
3796         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3797         (get_true_edge_from_guard_bb): New.
3798         (translate_clast): Handle stmt_guard in clast.
3799         (get_construction_edge): Allow construction edge detection for
3800         a scope entry with multiple predecessors if one predecessor is
3801         the immediate dominator of scope entry.
3802         (can_generate_code_stmt): Enable code generation for clast_guard.
3803         (gloog): Use correct context loop.  Removed check for post dominators.
3804         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3805
3806 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         * graphite.c (remove_dead_loops): Document better which
3809         loops are removed.
3810
3811 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3814         and PPLINC.
3815         (graphite.o): Also depends on pointer-set.h.
3816
3817 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         * graphite.c (scop_record_loop): Fix compile warning.
3820
3821 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3822             Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3825
3826 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite.c (build_graphite_bb): Initialize bb->aux to
3829         point to the graphite_bb_p.
3830         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3831         content of bb->aux.
3832         (add_bb_domains): Does not use the scop parameter.
3833         (graphite_transform_loops): Clean bb->aux at the end.
3834
3835 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3836             Sebastian Pop  <sebastian.pop@amd.com>
3837
3838         * testsuite/lib/target-supports.exp
3839         (check_effective_target_fgraphite): New.
3840
3841         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3842         check_effective_target_fgraphite returns false.
3843         Set dg-do-what-default to compile.
3844         (scan-graphite-dump-times): Removed.
3845         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3846
3847         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3848         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3849         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3850         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3851         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3852         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3853         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3854         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3855         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3856         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3857         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3858         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3859         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3860         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3861         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3862         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3863         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3864         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3865         * testsuite/gcc.dg/graphite/block-0.c: Same.
3866         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3867         * testsuite/gcc.dg/graphite/block-1.c: Same.
3868         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3869         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3870         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3871         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3872         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3873
3874 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * graphite.c: Fix some XXX comments.
3877         (build_scop_dynamic_schedules): Removed.
3878
3879 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3880
3881         * graphite.h (scop_max_loop_depth): Moved...
3882         * graphite.c (scop_max_loop_depth): ...here.
3883         (remove_all_edges_1): New.
3884         (remove_all_edges): Factored code.
3885         (remove_cond_exprs): Check only the last statement for
3886         a GIMPLE_COND expression.
3887
3888 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3889
3890         * graphite.c (scan_tree_for_params): Early return when the
3891         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3892         (find_scop_parameters): Factor out code.
3893         (graphite_trans_bb_strip_mine): Remove dead code.
3894
3895 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3896
3897