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