12011-05-26  Alexey Kravets  <kayrick@ispras.ru>
2
3	PR middle-end/49147
4	* graphite-opencl-codegen.c
5	(opencl_get_perfect_nested_loop_depth): Use
6	enabled_dependency_in_clast_loop_p instead of
7	dependency_in_clast_loop_p.
8	* graphite-opencl.c (opencl_transform_stmt_list): Ditto.
9	(enabled_dependency_in_clast_loop_p): New.
10	* graphite-opencl.h (enabled_dependency_in_clast_loop_p): Export.
11
12	* gcc.dg/graphite/pr49147.c: New test.
13
142011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
15
16	* graphite-opencl-codegen.c (opencl_print_local_vars): Fix typo.
17
182011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
19
20	* graphite-dependences.c (graphite_outer_subscript_bound): Remove
21	memory leaks, add one more assert.
22
232011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
24
25	* graphite-dependences.c (build_alias_set_powerset): Remove
26	continue from loop, add one more assert.
27
282011-05-24  Sebastian Pop  <sebastian.pop@amd.com>
29
30	* graphite-dependences.c (graphite_outer_subscript_bound): Remove
31	unused parameter.
32	* graphite-dependences.h (graphite_outer_subscript_bound): Same.
33	* graphite-opencl-meta-clast.c (opencl_set_meta_rw_flags): Update
34	call to graphite_outer_subscript_bound.
35	* graphite-opencl.c (opencl_get_indirect_size): Same.
36
372011-05-24  Alexey Kravets  <kayrick@ispras.ru>
38
39	* graphite-opencl.c (opencl_private_var_name_p): Removed.
40	(graphite_artificial_array_p): Removed.
41	(opencl_data_create): Use zero_dim_array_p instead of
42	graphite_artificial_array_p.
43
442011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
45
46	* graphite-opencl.c (opencl_create_function_call): Use cl_khr_fp64
47	pragma extension only when it is defined.  Use cl_amd_fp64 when it
48	is defined.
49
502011-01-23  Tobias Grosser  <grosser@fim.uni-passau.de>
51
52	* doc/install.texi: Replace '/' by an or and give the exact
53			    version number of cloog-0.16.1
54
552011-01-20  Sebastian Pop  <sebastian.pop@amd.com>
56
57	* graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
58	(close_phi_written_to_memory): Call for_each_index with
59	dr_indices_valid_in_loop.
60
61	* gfortran.dg/graphite/id-24.f: New.
62	* gfortran.dg/graphite/id-25.f: New.
63
642011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
65
66	* graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
67	when it is initialized.
68
69	* gfortran.dg/graphite/id-23.f: New.
70
712011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
72
73	* graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
74	call to graphite_find_data_references_in_stmt.
75	* graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
76	(try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
77	call to graphite_find_data_references_in_stmt.
78	(analyze_drs_in_stmts): Same.
79	* tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
80	in which the scalar analysis of indices is performed.
81	(create_data_ref): Same.  Update call to dr_analyze_indices.
82	(find_data_references_in_stmt): Update call to create_data_ref.
83	(graphite_find_data_references_in_stmt): Same.
84	* tree-data-ref.h (graphite_find_data_references_in_stmt): Update
85	declaration.
86	(create_data_ref): Same.
87	* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
88	call to create_data_ref.
89
902011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
91
92	* graphite-sese-to-poly.c (build_poly_scop): Move
93	rewrite_commutative_reductions_out_of_ssa before
94	find_scop_parameters.
95
962011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
97
98	PR tree-optimization/46970
99	* gcc.dg/graphite/pr46970.c: New.
100
1012011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
102
103	PR tree-optimization/46215
104	* gcc.dg/graphite/pr46215.c: New.
105
1062011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
107
108	PR tree-optimization/46168
109	* gcc.dg/graphite/pr46168.c: New.
110
1112011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
112
113	PR tree-optimization/43657
114	* gcc.dg/graphite/pr43657.c: New.
115
1162011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
117
118	PR tree-optimization/29832
119	* gfortran.dg/graphite/pr29832.f90: New.
120
1212011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
122
123	PR tree-optimization/43567
124	* gcc.dg/graphite/pr43567.c: New.
125
1262011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
127
128	PR tree-optimization/43567
129	* gcc.dg/graphite/pr43567.c: New.
130
1312011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
132
133	* Makefile.in (LAMBDA_H): Removed.
134	(TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
135	(OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
136	lambda-trans.o, and tree-loop-linear.o.
137	(lto-symtab.o): Remove dependence on LAMBDA_H.
138	(tree-loop-linear.o): Remove rule.
139	(lambda-mat.o): Same.
140	(lambda-trans.o): Same.
141	(lambda-code.o): Same.
142	(tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
143	(tree-vect-slp.o): Same.
144	* hwint.h (gcd): Moved here.
145	(least_common_multiple): Same.
146	* lambda-code.c: Removed.
147	* lambda-mat.c: Removed.
148	* lambda-trans.c: Removed.
149	* lambda.h: Removed.
150	* tree-loop-linear.c: Removed.
151	* lto-symtab.c: Do not include lambda.h.
152	* omega.c (gcd): Removed.
153	* passes.c (init_optimization_passes): Remove pass_linear_transform.
154	* tree-data-ref.c (print_lambda_vector): Moved here.
155	(lambda_vector_copy): Same.
156	(lambda_matrix_copy): Same.
157	(lambda_matrix_id): Same.
158	(lambda_vector_first_nz): Same.
159	(lambda_matrix_row_add): Same.
160	(lambda_matrix_row_exchange): Same.
161	(lambda_vector_mult_const): Same.
162	(lambda_vector_negate): Same.
163	(lambda_matrix_row_negate): Same.
164	(lambda_vector_equal): Same.
165	(lambda_matrix_right_hermite): Same.
166	* tree-data-ref.h: Do not include lambda.h.
167	(lambda_vector): Moved here.
168	(lambda_matrix): Same.
169	(dependence_level): Same.
170	(lambda_transform_legal_p): Removed declaration.
171	(lambda_collect_parameters): Same.
172	(lambda_compute_access_matrices): Same.
173	(lambda_vector_gcd): Same.
174	(lambda_vector_new): Same.
175	(lambda_vector_clear): Same.
176	(lambda_vector_lexico_pos): Same.
177	(lambda_vector_zerop): Same.
178	(lambda_matrix_new): Same.
179	* tree-flow.h (least_common_multiple): Removed declaration.
180	* tree-parloops.c (lambda_trans_matrix): Moved here.
181	(LTM_MATRIX): Same.
182	(LTM_ROWSIZE): Same.
183	(LTM_COLSIZE): Same.
184	(LTM_DENOMINATOR): Same.
185	(lambda_trans_matrix_new): Same.
186	(lambda_matrix_vector_mult): Same.
187	(lambda_transform_legal_p): Same.
188	* tree-pass.h (pass_linear_transform): Removed declaration.
189	* tree-ssa-loop.c (tree_linear_transform): Removed.
190	(gate_tree_linear_transform): Removed.
191	(pass_linear_transform): Removed.
192	(gate_graphite_transforms): Make flag_tree_loop_linear an alias of
193	flag_loop_interchange.
194
195	* gfortran.dg/graphite/interchange-4.f: New.
196	* gfortran.dg/graphite/interchange-5.f: New.
197
198	* gcc.dg/tree-ssa/ltrans-1.c: Removed.
199	* gcc.dg/tree-ssa/ltrans-2.c: Removed.
200	* gcc.dg/tree-ssa/ltrans-3.c: Removed.
201	* gcc.dg/tree-ssa/ltrans-4.c: Removed.
202	* gcc.dg/tree-ssa/ltrans-5.c: Removed.
203	* gcc.dg/tree-ssa/ltrans-6.c: Removed.
204	* gcc.dg/tree-ssa/ltrans-8.c: Removed.
205	* gfortran.dg/ltrans-7.f90: Removed.
206	* gcc.dg/tree-ssa/data-dep-1.c: Removed.
207
208	* gcc.dg/pr18792.c: -> gcc.dg/graphite/pr18792.c
209	* gcc.dg/pr19910.c: -> gcc.dg/graphite/pr19910.c
210	* gcc.dg/tree-ssa/20041110-1.c: -> gcc.dg/graphite/pr20041110-1.c
211	* gcc.dg/tree-ssa/pr20256.c: -> gcc.dg/graphite/pr20256.c
212	* gcc.dg/pr23625.c: -> gcc.dg/graphite/pr23625.c
213	* gcc.dg/tree-ssa/pr23820.c: -> gcc.dg/graphite/pr23820.c
214	* gcc.dg/tree-ssa/pr24309.c: -> gcc.dg/graphite/pr24309.c
215	* gcc.dg/tree-ssa/pr26435.c: -> gcc.dg/graphite/pr26435.c
216	* gcc.dg/pr29330.c: -> gcc.dg/graphite/pr29330.c
217	* gcc.dg/pr29581-1.c: -> gcc.dg/graphite/pr29581-1.c
218	* gcc.dg/pr29581-2.c: -> gcc.dg/graphite/pr29581-2.c
219	* gcc.dg/pr29581-3.c: -> gcc.dg/graphite/pr29581-3.c
220	* gcc.dg/pr29581-4.c: -> gcc.dg/graphite/pr29581-4.c
221	* gcc.dg/tree-ssa/loop-27.c: -> gcc.dg/graphite/pr30565.c
222	* gcc.dg/tree-ssa/pr31183.c: -> gcc.dg/graphite/pr31183.c
223	* gcc.dg/tree-ssa/pr33576.c: -> gcc.dg/graphite/pr33576.c
224	* gcc.dg/tree-ssa/pr33766.c: -> gcc.dg/graphite/pr33766.c
225	* gcc.dg/pr34016.c: -> gcc.dg/graphite/pr34016.c
226	* gcc.dg/tree-ssa/pr34017.c: -> gcc.dg/graphite/pr34017.c
227	* gcc.dg/tree-ssa/pr34123.c: -> gcc.dg/graphite/pr34123.c
228	* gcc.dg/tree-ssa/pr36287.c: -> gcc.dg/graphite/pr36287.c
229	* gcc.dg/tree-ssa/pr37686.c: -> gcc.dg/graphite/pr37686.c
230	* gcc.dg/pr42917.c: -> gcc.dg/graphite/pr42917.c
231	* gcc.dg/tree-ssa/data-dep-1.c
232	* gfortran.dg/loop_nest_1.f90: -> gfortran.dg/graphite/pr29290.f90
233	* gfortran.dg/pr29581.f90: -> gfortran.dg/graphite/pr29581.f90
234	* gfortran.dg/pr36286.f90: -> gfortran.dg/graphite/pr36286.f90
235	* gfortran.dg/pr36922.f: -> gfortran.dg/graphite/pr36922.f
236	* gfortran.dg/pr39516.f: -> gfortran.dg/graphite/pr39516.f
237
2382011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
239
240	* graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
241	VAR_DECL, PARM_DECL, and RESULT_DECL.
242
243	* gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
244
2452011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
246
247	* graphite-dependences.c (reduction_dr_1): Allow several reductions
248	in a reduction PBB.
249	* graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
250	that have already been marked as PBB_IS_REDUCTION.
251
2522011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
253
254	* graphite-scop-detection.c (same_close_phi_node): New.
255	(remove_duplicate_close_phi): New.
256	(make_close_phi_nodes_unique): New.
257	(canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
258
2592011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
260
261	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
262	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
263	of both data references to be the same.
264
2652011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
266
267	* graphite-dependences.c (build_lexicographical_constraint): Remove the
268	gdim parameter.
269	(build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
270	(dependence_polyhedron): Same.
271	(graphite_legal_transform_dr): Same.
272	(graphite_carried_dependence_level_k): Same.
273	* graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
274	* graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
275
2762011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
277
278	* graphite-sese-to-poly.c
279	(translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
280	(close_phi_written_to_memory): New.
281	(translate_scalar_reduction_to_array): Call close_phi_written_to_memory
282	and unshare_expr.
283
284	* gcc.dg/graphite/block-0.c: Un-XFAILed.
285	* gcc.dg/graphite/block-1.c: Un-XFAILed.
286	* gcc.dg/graphite/block-7.c: Un-XFAILed.
287	* gcc.dg/graphite/block-8.c: Un-XFAILed.
288	* gcc.dg/graphite/interchange-12.c: Un-XFAILed.
289	* gcc.dg/graphite/interchange-14.c: Un-XFAILed.
290	* gcc.dg/graphite/interchange-15.c: Un-XFAILed.
291	* gcc.dg/graphite/interchange-8.c: Un-XFAILed.
292	* gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
293
2942011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
295
296	* doc/install.texi: Update the expected version number of PPL to 0.11.
297	* graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
298	#if PPL_VERSION_MINOR < 11.
299
3002011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
301
302	* graphite-dependences.c (new_poly_ddr): Inlined into
303	dependence_polyhedron.
304	(free_poly_ddr): Moved close by new_poly_ddr.
305	(dependence_polyhedron_1): Renamed dependence_polyhedron.
306	Early return NULL when ppl_powerset_is_empty returns true.
307	(dependence_polyhedron): Renamed new_poly_ddr.  Call only once
308	poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
309	(graphite_legal_transform_dr): Call new_poly_ddr.
310	(graphite_carried_dependence_level_k): Same.
311	(dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
312	(dot_transformed_deps_stmt_1): Removed.
313	(dot_deps_stmt_1): Call dot_deps_stmt_2.
314	(dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
315	(dot_deps_1): Call dot_deps_2.
316
3172011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
318
319	* graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
320	(build_lexicographical_constraint): Same.
321	(dependence_polyhedron_1): Same.
322	(graphite_legal_transform_dr): Same.
323	(graphite_carried_dependence_level_k): Same.
324	* graphite-ppl.c (ppl_powerset_is_empty): New.
325	* graphite-ppl.h (ppl_powerset_is_empty): Declared.
326	* tree-data-ref.c (dump_data_reference): Print the basic block index.
327
328	* gcc.dg/graphite/block-0.c: Add documentation.
329	* gcc.dg/graphite/block-4.c: Same.
330	* gcc.dg/graphite/block-7.c: Same.
331	* gcc.dg/graphite/block-8.c: New.
332	* gcc.dg/graphite/interchange-1.c: Un-XFAILed.
333	* gcc.dg/graphite/interchange-11.c: Un-XFAILed.
334	* gcc.dg/graphite/interchange-12.c: Add documentation.
335	* gcc.dg/graphite/interchange-13.c: New.
336	* gcc.dg/graphite/interchange-14.c: New.
337	* gcc.dg/graphite/interchange-15.c: New.
338	* gcc.dg/graphite/interchange-8.c: Add documentation.
339	* gcc.dg/graphite/interchange-mvt.c: Same.
340
3412011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
342
343	* graphite-dependences.c (build_pairwise_scheduling): Correctly compute
344	the "a followed by b" relation and document it.
345
3462011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
347
348	* graphite-dependences.c (build_lexicographical_constraint): Stop the
349	iteration when the bag of constraints is empty.
350
3512011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
352
353	* graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
354
3552011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
356
357	* graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
358	nest and two loop depths as parameters.
359	(lst_try_interchange_loops): Call lst_interchange_profitable_p after
360	lst_perfect_nestify.
361
3622011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
363
364	* graphite-dependences.c (print_pddr): Call
365	ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
366
3672011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
368
369	* graphite-ppl.c (debug_gmp_value): New.
370	* graphite-ppl.h (debug_gmp_value): Declared.
371
3722011-01-13  Tobias Grosser  <grosser@fim.uni-passau.de>
373
374	* doc/install.texi: Document availability of cloog-0.16
375
3762011-01-05  Vladimir Kargov  <kargov@gmail.com>
377
378	* graphite-scop-detection.c (is_valid_stmt_p): Pass the entry basic
379	block instead of region start to the instantiation.
380	(is_valid_bb_p): Add support for basic blocks with conditional
381	statements.
382	(find_scops_new): Recalculate dominance info before SCOP
383	detection.
384
3852011-01-05  Vladimir Kargov  <kargov@gmail.com>
386
387	* graphite-scop-detection.c (get_outermost_loop_in_region): New.
388	(is_valid_loop_p): Correct loop passed to stmt_has_simple_data_refs_p
389
3902011-01-05  Vladimir Kargov  <kargov@gmail.com>
391
392	* graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
393	invalid postdominance info
394
3952010-12-29  Sebastian Pop  <sebastian.pop@amd.com>
396
397	* Makefile.in (graphite-opencl-codegen.o): Update dependences.
398	(graphite-opencl-meta-clast.o): Same.
399	(graphite-opencl.o): Same.
400	(refined-regions.o): Same.
401	* graphite-opencl-codegen.c: Do not include unnecessary .h files.
402	* graphite-opencl-meta-clast.c: Same.
403	* graphite-opencl.c: Same.
404	* refined-regions.c: Same.
405
4062010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
407
408	* graphite-opencl-codegen.c: Use FOR_EACH_VEC_ELT.
409	* graphite-opencl-meta-clast.c: Same.
410	* graphite-opencl.c: Same.
411
4122010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
413
414	* graphite-opencl-codegen.c: Do not include sys/time.h.
415	* graphite-opencl.c: Same.
416
4172010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
418
419	* graphite-opencl.c (h_context, h_cmd_queue, h_program): Moved
420	out of ifdef HAVE_cloog section.
421
4222010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
423
424	* Makefile.in (graphite-opencl.o): Depends on
425	graphite-opencl-functions.def.
426	* graphite-opencl-functions.def: New.
427	* graphite-opencl.c (enum OPENCL_FUNCTIONS): Read data from
428	graphite-opencl-functions.def.
429	(opencl_function_names): Same.
430	(opencl_create_function_decl): Use the enum OPENCL_FUNCTIONS
431	as indices of opencl_function_names.
432
4332010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
434
435	* graphite-opencl-codegen.c: Fix formatting.
436	* graphite-opencl-meta-clast.c: Same.
437	* graphite-opencl.c: Same.
438
4392010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
440
441	* graphite-opencl-codegen.c: Fix formating problems.
442	* graphite-opencl-meta-clast.c: Same.
443	* graphite-opencl.c: Same.
444	* graphite-opencl.h: Same.
445
4462010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
447
448	* graphite-opencl-codegen.c: Sort topologically static functions.
449	* graphite-opencl.c: Same.
450
4512010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
452
453	* graphite-cloog-compat.h (cloog_names_nb_scattering): New.
454	(cloog_names_scattering): New.
455	* graphite-opencl-codegen.c (opencl_constant_expression_p): Use
456	clast_expr_* instead of expr_*.  Call clast_name_to_str.
457	(opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
458	(opencl_get_scat_real_name): Same.  Call clast_name_to_str.
459	(opencl_add_scat_as_arg): Same.
460	(opencl_print_local_vars): Call cloog_names_scattering and
461	cloog_names_nb_scattering.
462	(opencl_print_for): Do not call value_*.
463	(opencl_print_term): Same.
464	(opencl_print_expr): Use clast_expr_* instead of expr_*.
465	(opencl_print_sum): Same.
466	(opencl_print_binary): Same.
467
4682010-12-25  Alexey Kravets  <kayrick@ispras.ru>
469
470	* Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
471	graphite-opencl-meta-clast.o and graphite-opencl.o.
472	(graphite-opencl-codegen.o): New.
473	(graphite-opencl-meta-clast.o): New.
474	(graphite-opencl.o): New.
475	(GTFILES): Add graphite-opencl.c.
476	* common.opt (fgraphite-opencl): New.
477	(fgraphite-opencl-cpu): New.
478	(fgraphite-opencl-ignore-depth-heuristic): New.
479	(fgraphite-opencl-ignore-mem-heuristic): New.
480	(fgraphite-opencl-ignore-dep): New.
481	(fgraphite-opencl-ignore-types): New.
482	(fgraphite-opencl-depth-base): New.
483	(fgraphite-opencl-debug): New.
484	* graphite-opencl-codegen.c: New file.
485	* graphite-opencl-meta-clast.c: New file.
486	* graphite-opencl.c: New file.
487	* graphite-opencl.h: New file.
488	* graphite.c (graphite_transform_loops): Call graphite_opencl_init and
489	graphite_opencl_finalize.
490	* tree-ssa-loop.c (gate_graphite_transforms): Handle
491	flag_graphite_opencl.
492	* graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
493	* dbgcnt.def (opencl_scop_cnt): New counter.
494
4952010-12-25  Alexander Monakov  <amonakov@ispras.ru>
496
497	* graphite-dependences.c (graphite_outer_subscript_bound): New.
498	(graphite_carried_dependence_level_k): Export.
499	* graphite-dependences.h (graphite_outer_subscript_bound): Declare.
500	(graphite_carried_dependence_level_k): Ditto.
501
5022010-12-25  Alexey Kravets  <kayrick@ispras.ru>
503
504	* graphite-clast-to-gimple.c (struct clast_name_index): Move
505	definition to graphite-clast-to-gimple.h.
506	(clast_name_to_index): Ditto.
507	(clast_name_index_elt_info): Ditto.
508	(eq_clast_name_indexes): Ditto.
509	(save_clast_name_index): Export.
510	(clast_name_to_gcc): Ditto.
511	(clast_to_gcc_expression): Ditto.
512	(gcc_type_for_clast_expr): Ditto.
513	(graphite_create_new_guard): Ditto.
514	(gcc_type_for_iv_of_clast_loop): Ditto.
515	(graphite_create_new_loop): Ditto.
516	(build_iv_mapping): Ditto.
517	(graphite_create_new_loop_guard): Ditto.
518	(debug_clast_name_index): New.
519	(debug_clast_name_indices): New debug function.
520
5212010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
522
523	PR tree-optimization/47021
524	* graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
525
5262010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
527
528	* graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
529	unused warning.
530	(rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
531
5322010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
533
534	* graphite-sese-to-poly.c (analyze_drs): Removed.
535	(build_scop_drs): Do not call analyze_drs.
536	(analyze_drs_in_stmts): New.
537	(insert_stmts): New.
538	(insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
539	(insert_out_of_ssa_copy_on_edge): Same.
540	(rewrite_close_phi_out_of_ssa): Call insert_stmts.
541	(rewrite_phi_out_of_ssa): Same.
542	(rewrite_cross_bb_scalar_dependence): Same.
543	(split_reduction_stmt): Move data references in the new basic blocks.
544	(translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
545
5462010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
547
548	* sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
549
5502010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
551
552	PR middle-end/45297
553	* graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
554	the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
555	* graphite-poly.h (new_poly_bb): Update declaration.
556	(gbb_from_bb): Moved here...
557	(pbb_from_bb): New.
558	* graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
559	Removed.
560	(graphite_stmt_p): Removed.
561	(try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
562	sbitmap reductions.  Always build a gimple_bb_p.  Do not call
563	new_poly_bb.
564	(build_scop_bbs_1): Do not pass in sbitmap reductions.
565	(build_scop_bbs): Same.
566	(gbb_from_bb): ... from here.
567	(add_conditions_to_constraints): Moved up.
568	(analyze_drs): New.
569	(build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
570	not contain data references.
571	(new_pbb_from_pbb): New.
572	(insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
573	block is split.
574	(rewrite_close_phi_out_of_ssa): Update call to
575	insert_out_of_ssa_copy_on_edge.
576	(rewrite_reductions_out_of_ssa): Now static.
577	(rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
578	(split_pbb): New.
579	(split_reduction_stmt): Call split_pbb.
580	(translate_scalar_reduction_to_array): Pass in the scop, do not
581	pass in the sbitmap reductions.
582	(rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
583	(rewrite_commutative_reductions_out_of_ssa_loop): Same.
584	(rewrite_commutative_reductions_out_of_ssa): Same.
585	(build_poly_scop): Call build_scop_bbs,
586	rewrite_commutative_reductions_out_of_ssa,
587	rewrite_reductions_out_of_ssa, and
588	rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
589	before scop_to_lst.
590	* graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
591	Removed declaration.
592	(rewrite_reductions_out_of_ssa): Same.
593	(rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
594	(build_scop_bbs): Same.
595	* graphite.c (graphite_transform_loops): Do not initialize reductions.
596	Do not call build_scop_bbs,
597	rewrite_commutative_reductions_out_of_ssa,
598	rewrite_reductions_out_of_ssa, and
599	rewrite_cross_bb_scalar_deps_out_of_ssa.
600	* sese.h (struct gimple_bb): Add field pbb.
601	(GBB_PBB): New.
602
603	* gcc.dg/graphite/pr45297.c: New.
604
6052010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
606
607	* graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
608	New.
609	(rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
610	handle_scalar_deps_crossing_scop_limits.
611	(rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
612	after the scop.  Update call to rewrite_cross_bb_scalar_deps.
613
6142010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
615
616	* sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
617	when replacing a constant in an ADDR_EXPR.
618
6192010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
620
621	* graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
622	for the stride.
623	(lst_do_strip_mine): Same.
624	(scop_do_strip_mine): Same.
625	* graphite-poly.c (apply_poly_transforms): Update call to
626	scop_do_strip_mine.
627	* graphite-poly.h (scop_do_strip_mine): Update declaration.
628
6292010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
630
631	PR middle-end/45758
632	* graphite.c (graphite_initialize): Call scev_reset.
633
6342010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
635
636	* sese.h (scev_analyzable_p): Return false for real or floating
637	point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
638
6392010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
640
641	PR middle-end/45758
642	* gfortran.dg/graphite/pr45758.f90: New.
643
6442010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
645
646	* graphite-scop-detection.c (is_scop_p): Free bblist.
647
6482010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
649
650	* graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
651	and ps.
652	* graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
653	domain.
654	* graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
655	Do not allocate ub_expr, it is passed in initialized.
656
6572010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
658
659	* common.opt (fgraphite-dump-cloog): New flag.
660	* doc/invoke.texi (-fgraphite-dump-cloog): Documented.
661	* graphite-clast-to-gimple.c (init_cloog_input_file): New.
662	(build_cloog_prog): Dump CLooG input file when
663	flag_graphite_dump_cloog is set.
664	* graphite-cloog-compat.h (cloog_program_dump_cloog): New.
665
6662010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
667
668	Revert previous patch "New flag: -fgraphite-dump-cloog."
669
6702010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
671
672	* common.opt (fgraphite-dump-cloog): New flag.
673	* doc/invoke.texi (-fgraphite-dump-cloog): Documented.
674	* graphite-clast-to-gimple.c (init_cloog_input_file): New.
675	(build_cloog_prog): Dump CLooG input file when
676	flag_graphite_dump_cloog is set.
677
6782010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
679
680	* graphite-clast-to-gimple.c (graphite_verify): Remove call to
681	verify_dominators for CDI_POST_DOMINATORS.
682	* sese.h: Remove comment about CDI_POST_DOMINATORS.
683	(recompute_all_dominators): Remove call to free_dominance_info
684	for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
685	for CDI_POST_DOMINATORS.
686
6872010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
688
689	* graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
690	over pbb_dim_iter_domain.
691
6922010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
693
694	* graphite-flattening.c: Fix comments.
695
6962010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
697
698	* Makefile.in (OBJS-common): Add graphite-flattening.o.
699	(graphite-flattening.o): New rule.
700	* common.opt (floop-flatten): New flag.
701	* doc/invoke.texi (-floop-flatten): Documented.
702	* graphite-flattening.c: New.
703	* graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
704	* graphite-poly.h (flatten_all_loops): Declared.
705	(lst_remove_loop_and_inline_stmts_in_loop_father): New.
706	* tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
707	is set, also set flag_graphite.
708
7092010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
710
711	* graphite-poly.c (cloog_checksum): New.
712	* graphite-poly.h (cloog_checksum): Declared.
713
7142010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
715
716	* graphite-poly.c (pbb_number_of_iterations): Removed.
717	(pbb_number_of_iterations_at_time): Correctly compute the number
718	of iterations in the transformed loop.
719	* graphite-poly.h (pbb_number_of_iterations): Removed.
720
7212010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
722
723	* graphite-poly.h (lst_update_scattering_seq): Removed.
724	(lst_update_scattering): Correctly handle outermost loop dewey
725	renumbering.
726
7272010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
728
729	* graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
730	lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
731	* graphite-poly.h (lst_niter_for_loop): New.
732
7332010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
734
735	* graphite-poly.c (apply_poly_transforms): Do not abort when the
736	transform read from disk is not legal.  Call fatal_error instead.
737
7382010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
739
740	* graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
741	(print_scop_header): Removed.  Inlined in the only call place...
742	(print_scop): ... here.
743
7442010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
745
746	* graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
747
7482010-09-02  Vladimir Kargov  <kargov@gmail.com>
749
750	* graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
751	(is_valid_stmt_p): Add data reference and operation-specific checks.
752	(is_valid_bb_p): Change structure, add loop validity check.
753	(is_scop_p): Move the TODO list
754	(find_scops_new): New.
755	(build_scops_new): Move part of functionality to find_scops_new and
756	build_scops.  Add necessary steps for successful SCoP construction.
757	(build_scops): Compute SCoP sets for both detection algorithms, choose
758	the resulting one depending on static condition.
759
7602010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
761
762	* graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
763
7642010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
765
766	* graphite-dependences.c (dot_deps): Avoid set but not used warning.
767	(dot_deps_stmt): Same.
768	* graphite-poly.c (dot_lst): Same.
769
7702010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
771
772	* graphite-blocking.c (scop_do_strip_mine): Do not call
773	graphite_legal_transform.
774	(scop_do_block): Same.
775
7762010-08-20  Vladimir Kargov  <kargov@gmail.com>
777
778	* graphite-scop-detection.c (graphite_can_represent_loop): Correct the
779	description.
780
7812010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
782
783	PR middle-end/45230
784	* gcc.dg/graphite/id-pr45230.c: New.
785
7862010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
787
788	* tree-scalar-evolution.c (instantiate_array_ref): New.
789	(instantiate_scev_r): Also handle ARRAY_REFs.
790
7912010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
792
793	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
794	Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
795	RESULT_DECL, and FIELD_DECL.  Return false for an
796	SSA_NAME_IS_DEFAULT_DEF.
797	(compute_scalar_evolution_in_loop): Do not further analyze the
798	scalar evolution when no_evolution_in_loop_p returns true.
799
8002010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
801
802	* tree-chrec.h (evolution_function_is_affine_p): Do not check
803	whether CHREC_LEFT is invariant.  A function is affine when
804	CHREC_RIGHT is invariant.
805
8062010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
807
808	* graphite-sese-to-poly.c (reduction_phi_p): Remove check for
809	is_gimple_reg.
810	(rewrite_degenerate_phi): Same.
811	(rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
812
8132010-08-18  Vladimir Kargov  <kargov@gmail.com>
814
815	* graphite-scop-detection.c (graphite_can_represent_scev,
816	graphite_can_represent_expr, stmt_has_simple_data_refs_p,
817	graphite_can_represent_loop): Remove outermost_loop.
818
8192010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
820
821	PR middle-end/45229
822	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
823	handle GIMPLE_CALLs with no LHS.
824
8252010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
826	    Sebastian Pop  <sebastian.pop@amd.com>
827
828	* gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
829	Call remove-build-file to clean up the generated *.graphite files.
830
8312010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
832
833	* doc/invoke.texi (debugging options): Update documentation.
834	(-floop-interchange): Same.
835	(-flopp-strip-mine): Same.
836	(-floop-block): Same.
837	(-fgraphite-read): Add documentation.
838	(-fgraphite-write): Same.
839
8402010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
841
842	* toplev.c (process_options): Disable graphite loop optimization
843	options when -fgraphite-read flag is used.
844
8452010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
846
847	* graphite-poly.c (init_graphite_out_file): New.
848	(init_graphite_in_file): New.
849	(apply_poly_transforms): Updated to enable reading and writing of
850	multiple scop files.
851	* toplev.c (init_asm_output): Remove graphite in/out file initialization.
852
8532010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
854
855	* graphite-scop-detection.c (graphite_can_represent_scev): Remove
856	redundant checks.
857
8582010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
859
860	* graphite-clast-to-gimple.c (precision_for_value): Adjust
861	computation of precision by 1.
862
8632010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
864
865	* graphite-cloog-util.c (openscop_read_cloog_matrix): New.
866	(openscop_read_polyhedron_matrix): New.
867	* graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
868	(openscop_read_N_int): Same.
869	* graphite-poly.c (openscop_read_N_int): New.
870	(openscop_read_one_int): New.
871	(openscop_read_N_string): New.
872	(openscop_read_one_string): New.
873	(openscop_read_powerset_matrix): New.
874	(graphite_read_transforms): Remove.
875	(graphite_read_scatt): New.
876	(graphite_read_scop_file): New.
877	(apply_poly_transforms): Updated to call graphite_read_scop_file.
878
8792010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
880
881	* graphite-poly.c: Change include order.
882
8832010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
884
885	* graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
886	(cloog_matrix_nrows): New.
887
8882010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
889
890	* graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
891	from matrix lines.
892	* graphite-poly.c (openscop_print_scattering_function_1): Same.
893	(print_scattering_function_1): Same.
894	(openscop_print_pbb_domain): Same.
895	(openscop_print_scop_context): Same.
896	(print_scop_context): Same.
897
8982010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
899
900	* graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
901	(openscop_print_pdr_polyhedron): Print pph.
902
9032010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
904
905	* gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
906	* gfortran.dg/graphite/graphite.exp: Same.
907	* gcc.dg/graphite/vect-pr43423.c: New.
908
9092010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
910
911	* graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
912	priority signed types.
913
9142010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
915
916	* graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
917	to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
918
9192010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
920
921	* graphite-cloog-util.c (openscop_print_cloog_matrix): New.
922	(openscop_print_polyhedron_matrix): New.
923	* graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
924	* graphite-poly.c (openscop_print_pdr_polyhedron): Same.
925	(openscop_print_pdr_powerset): New.
926	(openscop_print_powerset_matrix): New.
927	(openscop_print_scattering_function_1): New.
928	(print_scattering_function): Add support for scattering names and
929	OpenScop format.
930	(graphite_write_transforms): Remove.
931	(apply_poly_transforms): Updated to call print_scop.
932	(print_pdr_access_layout): Updated to support OpenScop format.
933	(print_pdr): Same.
934	(openscop_print_pbb_domain): New.
935	(print_pbb_body): Added a parameter to allow indicating that pbb_body is
936	not provided.
937	(print_pbb): Updated to call the new print_pbb_body.
938	(openscop_print_scop_context): New.
939	(print_scop_header): New.
940	(print_scop): Updated to call print_scop_header.
941	* graphite-poly.h: Document OpenScop format.
942
9432010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
944
945	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
946	the case removed in the previous patch, when the only phi argument
947	is defined in the same loop as the phi node itself.  Handle it
948	separately from the invariant case by both propagating it outside
949	the region and replacing the phi node with an assign.
950
9512010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
952
953	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
954	constant phi nodes with one argument are is_gimple_min_invariant
955	and SSA_NAME_IS_DEFAULT_DEF.
956
957	* gfortran.dg/graphite/id-22.f: New.
958
9592010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
960
961	* graphite.c (graphite_initialize): Do not initialize
962	CLooG and initialize the Parma Polyhedra Library
963	manually when using CLOOG_ORG.
964	(graphite_finalize): Do not finalize CLooG and finalize
965	the Parma Polyhedra Library manually when using CLOOG_ORG.
966	* graphite-cloog-compat.h (cloog_initialize): Hide function
967	when using CLOOG_ORG.
968	(cloog_finalize): Same.
969
9702010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
971
972	* graphite-clast-to-gimple.c (free_scattering): Change
973	CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
974	(CLOOG_ORG).
975	(build_cloog_prog): Same.
976	* graphite-cloog-compat.h (cloog_domain): Removed.
977	(cloog_scattering): New.
978	(cloog_set_domain): Removed.
979	(cloog_set_scattering): New.
980	(cloog_next_domain): Removed.
981	(cloog_next_scattering): New.
982	(cloog_set_next_domain): Removed.
983	(cloog_set_next_scattering): New.
984	(CloogScatteringList): New.
985	(CloogScattering): New.
986	(cloog_scattering_free): New.
987	(new_Cloog_Scattering_from_ppl_Polyhedron): New.
988	* graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
989	New.
990
9912010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
992
993	* graphite-clast-to-gimple.c (build_cloog_prog): Extend with
994	CloogState.
995	(set_cloog_options): Same.
996	(print_clast_stmt): Same.
997	(scop_to_clast): Same.
998	(print_generated_program): Same.
999	(gloog): Same.
1000	* graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
1001	(scop_to_clast): Extend with CloogState.
1002	* graphite-cloog-util.c: Include graphite-cloog-compat.h
1003	(new_Cloog_Domain_from_ppl_Polyhedron):
1004	Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
1005	(new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
1006	(new_Cloog_Domain_from_ppl_Polyhedron): Same.
1007	* graphite-cloog-util.h (build_cloog_prog): Same.
1008	* graphite-cloog-copat.h (build_cloog_prog): New.
1009	(CloogState): New.
1010	(cloog_state_malloc): New.
1011	(cloog_state_free): New.
1012	(cloog_loop_malloc): New.
1013	(cloog_options_malloc): New.
1014	(cloog_statement_alloc): New.
1015	(cloog_domain_from_cloog_matrix): New.
1016	(new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1017	(new_Cloog_Domain_from_ppl_Polyhedron): New.
1018
10192010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1020
1021	* graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
1022	type of NAME now depends on used CLooG version.
1023	(clast_to_gcc_expression): Replace expr_* with clast_expr_*.
1024	(gcc_type_for_clast_expr): Same.
1025	(print_clast_stmt): Replace pprint with clast_pprint.
1026	* graphite-cloog-compat.h: Provide compatibility macros for
1027	CLooG Legacy.
1028	(clast_name_p): New.
1029	(clast_expr_term): New.
1030	(clast_expr_red): New.
1031	(clast_expr_bin): New.
1032	(clast_pprint): New.
1033
10342010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1035
1036	* graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
1037	compatible to newer CLooG releases (CLOOG_ORG).
1038	(build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
1039	(scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
1040	* graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
1041	(build_cloog_prog) : New.
1042	(cloog_program_extract_scalars): New.
1043	(cloog_program_scatter): New.
1044
10452010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1046
1047	* graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
1048	conditionally (CLOOG_ORG).
1049	* graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
1050	(cloog_statement_usr): New.
1051	(cloog_domain): Same.
1052	(cloog_set_domain): Same.
1053	(cloog_next_domain): Same.
1054	(cloog_set_next_domain): Same.
1055	(cloog_program_nb_scattdims): Same.
1056	(cloog_program_set_nb_scattdims): Same.
1057	(cloog_program_names): Same.
1058	(cloog_program_set_names): Same.
1059	(cloog_program_set_context): Same.
1060	(cloog_program_set_loop): Same.
1061	(cloog_program_blocklist): Same.
1062	(cloog_program_set_blocklist): Same.
1063	(cloog_program_scaldims): Same.
1064	(cloog_program_set_scaldims): Same.
1065	(cloog_names_nb_parameters): Same.
1066	(cloog_names_set_nb_parameters): Same.
1067	(cloog_names_parameters): Same.
1068	(cloog_names_set_parameters): Same.
1069	(cloog_names_set_nb_iterators): Same.
1070	(cloog_names_set_iterators): Same.
1071	(cloog_names_set_nb_scattering): Same.
1072	(cloog_names_set_scattering): Same.
1073	(cloog_statement_set_usr): Same.
1074	(cloog_loop_set_next): Same.
1075	(cloog_loop_set_domain): Same.
1076	(cloog_loop_set_block): Same.
1077	(cloog_block_list_next): Same.
1078	(cloog_block_list_set_next):
1079	(cloog_block_list_set_block): Same.
1080
10812010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
1084	a bool.
1085	(rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1086	(rewrite_commutative_reductions_out_of_ssa_loop): Same.
1087	(rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
1088	when something has been changed.
1089	(rewrite_commutative_reductions_out_of_ssa): Same.
1090
1091	* gcc.dg/graphite/id-26.c: New.
1092
10932010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095	* graphite-sese-to-poly.c (propagate_expr_outside_region): Also
1096	handle the case when def is in the sese region.
1097	(rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
1098	for invariant expressions.
1099	(rewrite_cross_bb_phi_deps): Removed.
1100	(rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
1101	(rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
1102	rewrite_cross_bb_phi_deps.
1103
11042010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1105
1106	* graphite-sese-to-poly.c
1107	(rewrite_commutative_reductions_out_of_ssa_loop): Call
1108	scev_analyzable_p only on is_gimple_reg
1109
1110	* gcc.dg/graphite/id-25.c: New.
1111
11122010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1113
1114	* graphite-sese-to-poly.c (propagate_expr_outside_region): New.
1115	(rewrite_close_phi_out_of_ssa): Propagate constant values or
1116	parametric expressions outside the scop region.
1117	(rewrite_cross_bb_scalar_deps): Same.
1118	* sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
1119
1120	* gcc.dg/graphite/run-id-5.c: New.
1121	* gcc.dg/graphite/run-id-6.c: New.
1122	* gfortran.dg/graphite/id-21.f: New.
1123
11242010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1125
1126	* graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
1127	SSA_NAME_DEF_STMT only on SSA_NAMEs.
1128
1129	* gcc.dg/graphite/id-24.c: New.
1130
11312010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133	* tree-scalar-evolution.c (instantiate_scev_name): Do not
1134	instantiate default definitions.
1135
11362010-07-20  Vladimir Kargov  <kargov@gmail.com>
1137
1138	* graphite-scop-detection.c (is_valid_stmt_p): New.
1139	(is_valid_bb_p): New.
1140
11412010-07-20  Vladimir Kargov  <kargov@gmail.com>
1142	    Sebastian Pop  <sebastian.pop@amd.com>
1143
1144	* cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
1145	(loop_exits_from_bb_p): New.
1146	* cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
1147	(loop_exits_from_bb_p): Declared.
1148	* graphite-scop-detection.c (scopdet_basic_block_info): Call
1149	loop_exits_to_bb_p.
1150
11512010-07-20  Vladimir Kargov  <kargov@gmail.com>
1152
1153	* refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
1154	tree-data-ref.h.
1155	(dot_regions_1): New.
1156	(dot_regions): New.
1157	* refined-regions.h (dot_regions): Declared.
1158	* Makefile.in (refined-regions.o): Update dependences.
1159
11602010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
1163	extra parameter for the region.  Call scev_analyzable_p.
1164	(rewrite_reductions_out_of_ssa): Update call to
1165	rewrite_close_phi_out_of_ssa.
1166	(rewrite_cross_bb_phi_deps): Same.
1167	(rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
1168	parameter for the region.  Call scev_analyzable_p.
1169	(rewrite_commutative_reductions_out_of_ssa): Update call to
1170	rewrite_commutative_reductions_out_of_ssa_loop.
1171
11722010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174	* gcc.dg/tree-ssa/pr20742.c: New.
1175
11762010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178	* sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
1179
1180	* gcc.dg/graphite/id-23.c: New.
1181
11822010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184	* graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
1185	SSA scalar phi nodes that can be scev_analyzable_p.
1186
1187	* gfortran.dg/graphite/id-20.f: Adjust testcase.
1188
11892010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
1192	handle SSA_NAME_IS_DEFAULT_DEF.
1193
11942010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196	* sese.c (rename_uses): Handl unconditionally gimple_debug statements.
1197
1198	* gcc.dg/graphite/pr42729.c: New.
1199
12002010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1201
1202	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
1203	case non close-phi nodes with one argument.
1204
12052010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207	* sese.h (scev_analyzable_p): Scevs could be expressions without
1208	chrecs and still be scev_analyzable_p.
1209
12102010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1213
12142010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216	* cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
1217	* cfgloop.h (struct loop): Remove single_iv field.
1218	* graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
1219	(scop_canonicalize_loops): Removed.
1220	(scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
1221	over all the loop phi nodes in loop->header.
1222	(build_poly_scop): Remove use of scop_canonicalize_loops.
1223
12242010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
1227	handle GIMPLE_CALL.
1228
12292010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231	* tree-chrec.c (chrec_apply): Should only apply to the specified
1232	variable.  Also handle multivariate chains of recurrences that
1233	satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
1234
12352010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1236
1237	* graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
1238	(debug_clast_name_indexes_1): Removed.
1239	(debug_clast_name_indexes): Removed.
1240	(pbb_to_depth_to_oldiv): Removed.
1241	(build_iv_mapping): Replace the use of rename_map with iv_map.
1242	(translate_clast_user): Remove uses of rename_map.  Allocate and
1243	free iv_map.
1244	(translate_clast_for_loop): Remove uses of rename_map.
1245	(translate_clast_for): Same.
1246	(translate_clast_guard): Same.
1247	(translate_clast): Same.
1248	(gloog): Same.
1249	* graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
1250	* graphite-sese-to-poly.c (scev_analyzable_p): Moved...
1251	* sese.c (set_rename): Now static.
1252	(rename_variables_in_stmt): Removed.
1253	(rename_uses): New.
1254	(is_parameter): Removed.
1255	(is_iv): Removed.
1256	(expand_scalar_variables_call): Removed.
1257	(expand_scalar_variables_ssa_name): Removed.
1258	(expand_scalar_variables_expr): Removed.
1259	(expand_scalar_variables_stmt): Removed.
1260	(expand_scalar_variables): Removed.
1261	(rename_variables): Removed.
1262	(remove_condition): Removed.
1263	(get_true_edge_from_guard_bb): Removed.
1264	(get_false_edge_from_guard_bb): Removed.
1265	(struct igp): Removed.
1266	(default_before_guard): Removed.
1267	(convert_for_phi_arg): Removed.
1268	(add_guard_exit_phis): Removed.
1269	(insert_guard_phis): Removed.
1270	(graphite_copy_stmts_from_block): Now also uses iv_map and a
1271	region.  Do not copy conditions.  Do not copy induction variables.
1272	Call rename_uses.
1273	(copy_bb_and_scalar_dependences): Allocate a local rename_map for
1274	the translated statement.  Use the iv_map for the induction
1275	variable renaming.
1276	* sese.h (copy_bb_and_scalar_dependences): Update declaration.
1277	(set_rename): Removed declaration.
1278	(scev_analyzable_p): ...here.
1279	* tree-chrec.c (chrec_apply_map): New.
1280	* tree-chrec.h (chrec_apply_map): Declared.
1281
12822010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284	* graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
1285	insert_loop_close_phis.
1286	* sese.c (name_defined_in_loop_p): Removed.
1287	(expr_defined_in_loop_p): Removed.
1288	(alive_after_loop): Removed.
1289	(close_phi_not_yet_inserted_p): Removed.
1290	(struct alep): Removed.
1291	(add_loop_exit_phis): Removed.
1292	(insert_loop_close_phis): Removed.
1293
12942010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1295
1296	* graphite-cloog-util.c	(cloog_matrix_to_ppl_constraint): Fix flipped
1297	condition.
1298	* graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
1299
13002010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302	* gfortran.dg/graphite/id-20.f: New.
1303
13042010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1305
1306	* graphite-cloog-util.h: Added cloog.h.
1307	* graphite-blocking.c: Removed cloog.h.
1308	* graphite-dependences.c: Same.
1309	* graphite-interchange.c: Same.
1310	* graphite-poly.c: Same.
1311	* graphite-ppl.c: Same.
1312	* graphite-scop-detection.c: Same.
1313	* graphite-sese-to-poly.c:
1314	Removed cloog.h.
1315	Removed graphite-clast-to-gimple.h.
1316	(check_poly_representation): Removed (unused).
1317	* graphite-sese-to-poly.h
1318	(check_poly_representation): Removed (unused).
1319
13202010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1321
1322	* Makefile.in
1323	(OBJS-common): Added graphite-cloog-util.o.
1324	(graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
1325	(graphite-cloog-util.o): New.
1326	(graphite-ppl.o): Added graphite-cloog-util.h.
1327	* graphite-clast-to-gimple.c:
1328	Added graphite-cloog-util.h to include statements.
1329	* graphite-cloog-util.c: New.
1330	(new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
1331	(new_Cloog_Domain_from_ppl_Polyhedron): Same.
1332	(new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1333	(new_C_Polyhedron_from_Cloog_Matrix): Same.
1334	(ppl_Constrain_System_number_of_constraints): Same.
1335	(new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1336	(oppose_constraint): Same.
1337	(cloog_matrix_to_ppl_constraint): Same.
1338	(new_Constraint_System_from_Cloog_Matrix): Same.
1339	(insert_constraint_into_matrix): Same. Declared static.
1340	* graphite-cloog-util.h: New.
1341	(new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
1342	(new_Cloog_Domain_from_ppl_Polyhedron): Same.
1343	(new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1344	(new_C_Polyhedron_from_Cloog_Matrix): Same.
1345	(insert_constraint_into_matrix): Same.
1346	* graphite-ppl.c:
1347	Added graphite-cloog-util.h to include statements.
1348	(new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
1349	(new_Cloog_Domain_from_ppl_Polyhedron): Same.
1350	(new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1351	(new_C_Polyhedron_from_Cloog_Matrix): Same.
1352	(insert_constraint_into_matrix): Same.
1353	(ppl_Constrain_System_number_of_constraints): Same.
1354	(new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1355	(oppose_constraint): Same.
1356	(cloog_matrix_to_ppl_constraint): Same.
1357	(new_Constraint_System_from_Cloog_Matrix): Same.
1358	* graphite-ppl.h:
1359	(new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
1360	graphite-cloog-util.h.
1361	(new_Cloog_Domain_from_ppl_Polyhedron): Same.
1362	(new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1363	(new_C_Polyhedron_from_Cloog_Matrix): Same.
1364	(insert_constraint_into_matrix): Removed.
1365
13662010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1367
1368	* graphite-clast-to-gimple.c
1369	(precision_for_value): Resolve value_* calls to matching mpz_* calls.
1370	(precision_for_interval): Same.
1371	(gcc_type_for_interval): Same.
1372	(compute_type_for_level): Same.
1373	* graphite-interchange.c
1374	(lst_interchange_profitable_p): Same.
1375	* graphite-poly.c
1376	(psct_scattering_dim_for_loop_depth): Same.
1377	* graphite-ppl.c
1378	(ppl_max_for_le_pointset): Same.
1379	(ppl_min_for_le_pointset): Same.
1380
13812010-06-25  Vladimir Kargov  <kargov@gmail.com>
1382
1383	* refined-regions.c (bb_index_compare): New.
1384	(get_bbs_in_region): New.
1385	(print_bbs_in_region): New.
1386	(print_refined_region): Add an argument that allows to print
1387	all basic blocks contained in regions.
1388	(debug_refined_region): Update call to print_refined_region.
1389	* refined-regions.h (print_refined_region): Update declaration.
1390	(get_bbs_in_region): Declared.
1391	* graphite-scop-detection.c (build_scops_new): Print the refined
1392	region tree into the Grahite dump file.
1393
13942010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396	* graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
1397	(rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
1398
13992010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401	* graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
1402	rewrite_close_phi_out_of_ssa.
1403
1404	* gcc.dg/graphite/id-22.c: New.
1405
14062010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408	* graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
1409
14102010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412	* graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
1413	rename_map.
1414	* sese.c (debug_rename_map): Same.
1415	(get_rename): Same.
1416	(set_rename): Same.
1417	(rename_variables_in_stmt): Same.
1418	(expand_scalar_variables_call): Same.
1419	(expand_scalar_variables_ssa_name): Same.
1420	(expand_scalar_variables_expr): Same.
1421	(expand_scalar_variables_stmt): Same.
1422	(expand_scalar_variables): Same.
1423	(rename_variables): Same.
1424	(graphite_copy_stmts_from_block): Same.
1425	(copy_bb_and_scalar_dependences): Same.
1426
14272010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1428
1429	* graphite-clast-to-gimple.c (copy_renames): Removed.
1430	(translate_clast_for): Do not call copy_renames.
1431	(translate_clast_guard): Same.
1432
14332010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435	* graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
1436	(rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
1437	(rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
1438	before rewrite_cross_bb_scalar_deps.
1439
14402010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442	* graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
1443	Early return in when flag_associative_math is not set.
1444
14452010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1446
1447	* gcc.dg/graphite/run-id-2.c: Call abort.
1448
14492010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451	* graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1452	of SSA copies on edges except for loop->latch.
1453
14542010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1457	Split out of rewrite_reductions_out_of_ssa.
1458	* graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1459	Declared.
1460	* graphite.c (graphite_transform_loops): Call it.
1461
14622010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464	* graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1465
14662010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468	* passes.c (init_optimization_passes): Add pass_graphite.
1469	Schedule a pass_copy_prop before pass_graphite_transforms.
1470	* timevar.def (TV_GRAPHITE): Declared.
1471	* tree-pass.h (pass_graphite): Declared.
1472	* tree-ssa-loop.c (pass_graphite): New.
1473
1474	* gcc.dg/graphite/id-20.c: New.
1475
14762010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478	* graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1479	Remove calls to rename_nb_iterations and rename_sese_parameters.
1480	* graphite-clast-to-gimple.h (gloog): Update declaration.
1481	* graphite.c (graphite_transform_loops): Update call to gloog.
1482	* sese.c (rename_variables_in_expr): Removed.
1483	(rename_nb_iterations): Removed.
1484	(rename_sese_parameters): Removed.
1485	* sese.h (rename_nb_iterations): Removed.
1486	(rename_sese_parameters): Removed.
1487
14882010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490	* graphite-clast-to-gimple.c (gloog): Remove call to
1491	sese_adjust_liveout_phis.
1492	* graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1493	SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1494	(rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1495	rewrite_phi_out_of_ssa.
1496	* sese.c (get_vdef_before_sese): Removed.
1497	(sese_adjust_vphi): Removed.
1498	(sese_adjust_liveout_phis): Removed.
1499	* sese.h (sese_adjust_liveout_phis): Removed.
1500
15012010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503	* graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1504	argument for the place after which to insert the out of SSA copy.
1505	(rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1506	(rewrite_phi_out_of_ssa): Same.
1507	(rewrite_cross_bb_scalar_deps): Same.
1508	(insert_copyout): Removed.
1509	(insert_copyin): Removed.
1510	(translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1511	insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1512	insert_copyin.
1513
15142010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1515
1516	* graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1517	(rewrite_reductions_out_of_ssa): Same.
1518	(rewrite_commutative_reductions_out_of_ssa): Same.
1519	(build_poly_scop): Do not call these functions.
1520	* graphite-sese-to-poly.h (build_poly_scop): Declared.
1521	(rewrite_reductions_out_of_ssa): Declared.
1522	(rewrite_commutative_reductions_out_of_ssa): Declared.
1523	* graphite.c (graphite_transform_loops): Call on every scop
1524	rewrite_commutative_reductions_out_of_ssa before calling
1525	rewrite_reductions_out_of_ssa and build_scop_bbs.
1526
15272010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1528
1529	* graphite-dependences.c (dot_deps): Make system call to dotty run
1530	in background.
1531	(dot_deps_stmt): Same.
1532	* graphite-poly.c (dot_lst): Same.
1533
15342010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536	* graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1537	old_type in parameter.
1538	(gcc_type_for_value): Update call to gcc_type_for_interval.
1539	(compute_type_for_level_1): Renamed compute_type_for_level.
1540	Update call to gcc_type_for_interval.
1541
15422010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544	* tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1545	the scev analysis when the variable is not used outside the loop
1546	in a close phi node: call compute_overall_effect_of_inner_loop.
1547
15482010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550	* graphite-sese-to-poly.c (single_pred_cond): Renamed
1551	single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1552	(build_sese_conditions_before): Renamed call to single_pred_cond.
1553	(build_sese_conditions_after): Same.
1554
15552010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1556
1557	* graphite-poly.h: Fix comments and indentation.
1558	* graphite-sese-to-poly.c: Same.
1559	(build_sese_conditions_before): Compute stmt and gbb only when needed.
1560	* tree-chrec.c: Fix comments and indentation.
1561	(tree-ssa-loop-niter.c): Same.
1562
15632010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1564
1565	* refined-regions.c (create_region): Only initialize the region.
1566	(find_regions_with_entry): Initialize parent relation and bbmap
1567	correctly.
1568	(build_regions_tree): Set outermost_region to region instead of
1569	topmost_region.
1570	(calculate_region_tree): Remove unneeded parameters.
1571
15722010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1573
1574	* graphite-scop-detection.c (is_scop_p): New.
1575	(build_scops_new): New. A skeleton for the new scop detection.
1576	(build_scops_old): Renamed from build_scops.
1577	(build_scops): New version. Call the new and the old scop
1578	detection.
1579
15802010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1581	    Antoniu Pop  <antoniu.pop@gmail.com>
1582
1583	* Makefile.in (OBJS-common): Add refined-regions.o.
1584	(refined-regions.o): New.
1585	(graphite-scop-detection.o): Use refined-regions.h.
1586	* graphite-scop-detection.c: Include refined-regions.h
1587	(build_scops): Also build the refined region tree.
1588	* refined-regions.c: New. Adds an algorithm to detect refined
1589	regions.
1590	(print_refined_region): New.
1591	(debug_refined_region): New.
1592	(refined_region_contains_bb_p): New.
1593	(refined_region_contains_region_p): New.
1594	(is_common_df): New.
1595	(struct find_regions_global_data): New.
1596	(is_region): New.
1597	(typedef struct bb_bb_def): New.
1598	(new_bb_bb_def): New.
1599	(bb_bb_map_hash): New.
1600	(eq_bb_bb_map): New.
1601	(find_new_bb): New.
1602	(bb_reg_def): New.
1603	(new_bb_reg_def): New.
1604	(bb_reg_map_hash): New.
1605	(eq_bb_reg_map): New.
1606	(find_new_region): New.
1607	(insert_new_reg): New.
1608	(insert_new_bb): New.
1609	(insert_shortcut): New.
1610	(get_next_postdom): New.
1611	(create_region): New.
1612	(find_regions_with_entry): New.
1613	(find_regions_adc): New.
1614	(find_regions): New.
1615	(get_topmost_parent): New.
1616	(build_regions_tree): New.
1617	(calculate_region_tree): New.
1618	(free_region_tree): New.
1619	* refined-regions.h: New.
1620	(struct refined_region): New.
1621	(calculate_region_tree): New.
1622	(free_region_tree): New.
1623	(refined_region_contains_bb_p): New.
1624	(refined_region_contains_region_p): New.
1625	(print_refined_region): New.
1626	(debug_refined_region): New.
1627
16282010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630	* graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1631	size_one_node.
1632
16332010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635	* graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1636	type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1637
16382010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640	* graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1641	phi_arg_in_outermost_loop.
1642	(remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1643	(remove_invariant_phi): Same.
1644
16452010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1646
1647	* graphite-blocking.c
1648	(pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1649	* graphite-clast-to-gimple.c
1650	(clast_to_gcc_expression): Same.
1651	(precision_for_value): Same.
1652	(precision_for_interval): Same.
1653	(gcc_type_for_interval): Same.
1654	(graphite_create_new_guard): Same.
1655	(compute_bounds_for_level): Same.
1656	(graphite_create_new_loop_guard): Same.
1657	* graphite-interchange.c
1658	(build_linearized_memory_access): Same.
1659	(pdr_stride_in_loop): Same.
1660	(memory_strides_in_loop_1): Same.
1661	(memory_strides_in_loop): Same.
1662	(extend_scattering): Same.
1663	(psct_scattering_dim_for_loop_depth): Same.
1664	(pbb_number_of_iterations): Same.
1665	* graphite-poly.h
1666	(debug_iteration_domains): Same.
1667	* graphite-ppl.c
1668	(new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1669	(ppl_set_inhomogeneous_gmp): Same.
1670	(ppl_strip_loop): Same.
1671	(ppl_lexico_compare_linear_expressions): Same.
1672	(ppl_read_polyhedron_matrix): Same.
1673	(ppl_max_for_le_pointset): Same.
1674	* graphite-ppl.h
1675	(ppl_read_polyhedron_matrix): Same.
1676	(tree_int_to_gmp): Same.
1677	(gmp_cst_to_tree): Same.
1678	(ppl_set_inhomogeneous): Same.
1679	(ppl_set_inhomogeneous_tree): Same.
1680	(ppl_set_coef): Same.
1681	(ppl_set_coef_tree): Same.
1682	* graphite-sese-to-poly.c
1683	(build_pbb_scattering_polyhedrons): Same.
1684	(build_scop_scattering): Same.
1685	(scan_tree_for_params_right_scev): Same.
1686	(scan_tree_for_params): Same.
1687	(find_params_in_bb): Same.
1688	(find_scop_parameters): Same.
1689	(add_upper_bounds_from_estimated_nit): Same.
1690	(build_loop_iteration_domains): Same.
1691	(add_condition_to_domain): Same.
1692	(pdr_add_memory_accesses): Same.
1693
16942010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1695
1696	* graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1697	CLooG's value_* macros to their respective mpz_* counterparts.
1698	* graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1699	(graphite_create_new_loop_guard): Same.
1700	* graphite-interchange.c (build_linearized_memory_access): Same.
1701	(pdr_stride_in_loop): Same.
1702	(memory_strides_in_loop_1): Same.
1703	(1st_interchange_profitable_p): Same.
1704	* graphite-poly.c (extend_scattering): Same.
1705	(psct_scattering_dim_for_loop_depth): Same.
1706	(pbb_number_of_iterations): Same.
1707	(pbb_number_of_iterations_at_time): Same.
1708	* graphite-poly.h (new_1st_loop): Same.
1709	* graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1710	(oppose_constraint): Same.
1711	(insert_constraint_into_matrix): Same.
1712	(ppl_set_inhomogeneous_gmp): Same.
1713	(ppl_set_coef_gmp): Same.
1714	(ppl_strip_loop): Same.
1715	(ppl_lexico_compare_linear_expressions): Same.
1716	(ppl_max_for_le_pointset): Same.
1717	(ppl_min_for_le_pointset): Same.
1718	(ppl_build_realtion): Same.
1719	* graphite-ppl.h (gmp_cst_to_tree): Same.
1720	(ppl_set_inhomogeneous): Same.
1721	(ppl_set_inhomogeneous_tree): Same.
1722	(ppl_set_coef): Same.
1723	(ppl_set_coef_tree): Same.
1724	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1725	(build_scop_scattering): Same.
1726	(add_value_to_dim): Same.
1727	(scan_tree_for_params_right_scev): Same.
1728	(scan_tree_for_params_int): Same.
1729	(scan_tree_for_params): Same.
1730	(find_params_in_bb): Same.
1731	(find_scop_parameters): Same.
1732	(add_upper_bounds_from_estimated_nit): Same.
1733	(build_loop_iteration_domains): Same.
1734	(create_linear_expr_from_tree): Same.
1735	(add_condition_to_domain): Same.
1736	(pdr_add_memory_accesses): Same.
1737
17382010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740	PR middle-end/43519
1741	* graphite-clast-to-gimple.c (max_signed_precision_type): Use
1742	lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1743	When converting an unsigned type to signed, double its precision.
1744	(gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1745	(gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1746	(graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1747
17482010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750	PR middle-end/43519
1751	* graphite-clast-to-gimple.c (max_signed_precision_type): Use
1752	build_nonstandard_integer_type.
1753	(gcc_type_for_interval): Same.
1754
17552010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1756
1757	PR middle-end/43519
1758	* graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1759	POINTER_PLUS_EXPR for pointer types.
1760
1761	* gcc.dg/graphite/id-19.c: New.
1762
17632010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765	PR middle-end/43519
1766	* Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1767	* graphite-clast-to-gimple.c: Include langhooks.h.
1768	(max_signed_precision_type): New.
1769	(max_precision_type): Takes two types as arguments.
1770	(precision_for_value): New.
1771	(precision_for_interval): New.
1772	(gcc_type_for_interval): New.
1773	(gcc_type_for_value): New.
1774	(gcc_type_for_clast_term): New.
1775	(gcc_type_for_clast_red): New.
1776	(gcc_type_for_clast_bin): New.
1777	(gcc_type_for_clast_expr): Split up into several functions.
1778	(gcc_type_for_clast_eq): Rewritten.
1779	(compute_bounds_for_level): New.
1780	(compute_type_for_level_1): New.
1781	(compute_type_for_level): New.
1782	(gcc_type_for_cloog_iv): Removed.
1783	(gcc_type_for_iv_of_clast_loop): Rewritten.
1784	(graphite_create_new_loop): Compute the lower and upper bound types
1785	with gcc_type_for_clast_expr.
1786	(graphite_create_new_loop_guard): Same.
1787	(find_cloog_iv_in_expr): Removed.
1788	(compute_cloog_iv_types_1): Removed.
1789	(compute_cloog_iv_types): Removed.
1790	(gloog): Do not call compute_cloog_iv_types.
1791	* graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1792	GBB_CLOOG_IV_TYPES.
1793	(free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1794	* sese.h (struct gimple_bb): Removed field cloog_iv_types.
1795	(GBB_CLOOG_IV_TYPES): Removed.
1796
1797	* gcc.dg/graphite/run-id-pr42644.c: Call abort.
1798
17992010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801	Reverted this commit: as at this point the loop closed SSA form
1802	is under a canonical form respecting the single argument condition.
1803	* graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1804	close phi nodes may have more than one argument.
1805
18062010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1809	gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1810	(detect_commutative_reduction): Same.
1811
18122010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814	* graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1815	close phi nodes may have more than one argument.
1816
18172010-03-30  Richard Guenther  <rguenther@suse.de>
1818	    Zdenek Dvorak  <ook@ucw.cz>
1819	    Sebastian Pop  <sebastian.pop@amd.com>
1820
1821	PR middle-end/43464
1822	* tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1823	with multiple arguments.
1824	(execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1825
18262010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828	* graphite-dependences.c (print_pddr): Call print_pdr with an
1829	extra argument.
1830	* graphite-poly.c (debug_pdr): Add an extra argument for the
1831	verbosity level.
1832	(print_pdr): Same.
1833	(print_pbb_domain): Same.
1834	(print_pbb): Same.
1835	(print_scop_context): Same.
1836	(print_scop): Same.
1837	(print_cloog): Same.
1838	(debug_pbb_domain): Same.
1839	(debug_pbb): Same.
1840	(print_pdrs): Same.
1841	(debug_pdrs): Same.
1842	(debug_scop_context): Same.
1843	(debug_scop): Same.
1844	(debug_cloog): Same.
1845	(print_scop_params): Same.
1846	(debug_scop_params): Same.
1847	(print_iteration_domain): Same.
1848	(print_iteration_domains): Same.
1849	(debug_iteration_domain): Same.
1850	(debug_iteration_domains): Same.
1851	(print_scattering_function): Same.
1852	(print_scattering_functions): Same.
1853	(debug_scattering_function): Same.
1854	(debug_scattering_functions): Same.
1855	* graphite-poly.h (debug_pdr): Update declaration.
1856	(print_pdr): Same.
1857	(print_pbb_domain): Same.
1858	(print_pbb): Same.
1859	(print_scop_context): Same.
1860	(print_scop): Same.
1861	(print_cloog): Same.
1862	(debug_pbb_domain): Same.
1863	(debug_pbb): Same.
1864	(print_pdrs): Same.
1865	(debug_pdrs): Same.
1866	(debug_scop_context): Same.
1867	(debug_scop): Same.
1868	(debug_cloog): Same.
1869	(print_scop_params): Same.
1870	(debug_scop_params): Same.
1871	(print_iteration_domain): Same.
1872	(print_iteration_domains): Same.
1873	(debug_iteration_domain): Same.
1874	(debug_iteration_domains): Same.
1875	(print_scattering_function): Same.
1876	(print_scattering_functions): Same.
1877	(debug_scattering_function): Same.
1878	(debug_scattering_functions): Same.
1879
18802010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882	* graphite-poly.c (print_scattering_function_1): New.
1883	(print_scattering_function): Call it.
1884	(print_scop_params): Remove spaces at the end of lines.
1885	(print_cloog): New.
1886	(debug_cloog): New.
1887	* graphite-poly.h (print_cloog): Declared.
1888	(debug_cloog): Declared.
1889
18902010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892	* tree-ssa-copy.c: Revert this previous change:
1893	(init_copy_prop): Loop closed phi nodes cancontain more than one
1894	argument.
1895	(execute_copy_prop): Revert the previous change: do not call
1896	rewrite_into_loop_closed_ssa.
1897
18982010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1899	    Richard Guenther  <rguenther@suse.de>
1900
1901	PR middle-end/43464
1902	* tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1903	contain more than one argument.
1904	(execute_copy_prop): Revert the previous change: do not call
1905	rewrite_into_loop_closed_ssa.
1906
1907	* gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1908	* gcc.dg/graphite/id-pr43464-1.c: New.
1909
19102010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912	PR middle-end/43464
1913	* tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1914	and verify_loop_closed_ssa when copy prop is executed in the LNO.
1915
1916	* gcc.dg/graphite/id-pr43464.c: New.
1917
19182010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920	* graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1921	in loop->header.
1922	* tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1923	* tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1924	* tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1925	to switch between adding the IV bump in loop->latch or in loop->header.
1926
19272010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929	* passes.c (init_optimization_passes): Add pass_copy_prop
1930	after Graphite.
1931
19322010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1933
1934	* graphite-poly.c (print_scattering_function): Pretty print following
1935	the scoplib format.
1936	(print_pdr): Same.
1937	(print_pbb_domain): Same.
1938	(dump_gbb_cases): Same.
1939	(dump_gbb_conditions): Same.
1940	(print_pdrs): Same.
1941	(print_pbb): Same.
1942	(print_scop_params): Same.
1943	(print_scop_context): Same.
1944	(print_scop): Same.
1945	(print_pbb_body): New.
1946	(lst_indent_to): New.
1947	(print_lst): Start new lines with a #.
1948	* graphite-poly.h (pbb_bb): New.
1949	(pbb_index): Use pbb_bb.
1950	* graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1951	disjuncts.
1952	* tree-data-ref.c (dump_data_reference): Start new lines with a #.
1953
19542010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1955
1956	PR middle-end/43351
1957	* gcc.dg/graphite/id-pr43351.c
1958
19592010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1960
1961	PR middle-end/43354
1962	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1963	call insert_out_of_ssa_copy for default definitions.
1964	* gfortran.dg/graphite/id-pr43354.f: New.
1965
19662010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968	PR middle-end/43349
1969	* gfortran.dg/graphite/pr43349.f: New.
1970
19712010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973	* graphite-clast-to-gimple.c (my_long_long): Defined.
1974	(gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1975	* graphite-sese-to-poly.c (my_long_long): Defined.
1976	(scop_ivs_can_be_represented): Use it.
1977
19782010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980	* doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1981	graphite-max-bbs-per-function, and loop-block-tile-size.
1982	* params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1983	with "maximum".
1984	(PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1985
19862010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988	* graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1989	forward declaration.
1990	* graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1991	(add_upper_bounds_from_estimated_nit): New.
1992	(build_loop_iteration_domains): Use it.
1993
19942010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1995
1996	* doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1997
19982010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1999
2000	PR middle-end/43306
2001	* tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2002	should be an INTEGER_CST.  Also handle CASE_CONVERT.
2003	* gcc.dg/graphite/pr43306.c: New.
2004
20052010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007	* graphite.c (graphite_initialize): To bound the number of bbs per
2008	function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2009	* params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2010	* doc/invoke.texi: Document it.
2011
20122010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014	* graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2015	* graphite-sese-to-poly.h (build_poly_scop): Same.
2016
20172010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019	* graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2020	the number of parameters in the scop.  Use as an upper bound
2021	PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2022	* params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2023	* doc/invoke.texi: Document it.
2024
20252010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2026
2027	* graphite-sese-to-poly.c (add_param_constraints): Use
2028	lower_bound_in_type and upper_bound_in_type.
2029
20302010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032	* graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2033	instead of unsigned_type_node.
2034
20352010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2036	    Reza Yazdani  <reza.yazdani@amd.com>
2037
2038	PR middle-end/43065
2039	* graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2040	on pointer type parameters.
2041
2042	* gcc.dg/graphite/run-id-4.c: New.
2043
20442010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046	PR middle-end/43065
2047	* gcc.dg/graphite/run-id-3.c: New.
2048
20492010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2050	    Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2051
2052	* graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2053	handle conversions from pointer to integers.
2054	(gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2055	induction variable, to be able to work with code generated by CLooG.
2056	* graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2057	(build_poly_scop): Bail out if we cannot codegen a loop.
2058
20592010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2060
2061	* graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2062	code generation with gloog_error.
2063
20642010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066	* sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2067	Call fold_convert on all the returned values.
2068	(expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
2069	the type of the resulting expression.
2070
20712010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2072
2073	* graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2074	ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2075	* graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2076
20772010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079	* graphite-dependences.c (map_into_dep_poly): Removed.
2080	(dependence_polyhedron_1): Use combine_context_id_scat.
2081
20822010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2083
2084	* graphite-poly.h (struct poly_scattering): Add layout documentation.
2085	(struct poly_bb): Same.
2086	(combine_context_id_scat): New.
2087
20882010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2089
2090	PR middle-end/42326
2091	* sese.c (name_defined_in_loop_p): Return false for default
2092	definitions.
2093
2094	* gcc.dg/graphite/pr42326.c: New.
2095
20962010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098	* graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2099	and clean up the logic.
2100
21012010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103	* graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2104	early return.
2105
21062010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108	PR middle-end/43083
2109	* graphite-scop-detection.c (create_single_exit_edge): Move
2110	the call to find_single_exit_edge to....
2111	(create_sese_edges): ...here.  Don't handle multiple edges
2112	exiting the function.
2113	(build_graphite_scops): Don't handle multiple edges
2114	exiting the function.
2115
2116	* gcc.dg/graphite/pr43083.c: New.
2117
21182010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120	PR middle-end/43097
2121	* sese.c (get_rename): Assert that old_name is an SSA_NAME.
2122	(rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2123
2124	* gfortran.dg/graphite/pr43097.f: New.
2125
21262010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2127	    Manuel López-Ibáñez  <manu@gcc.gnu.org>
2128
2129	PR middle-end/43140
2130	* g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
2131
21322010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134	PR middle-end/43026
2135	* sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2136
2137	* g++.dg/graphite/pr43026.C: New.
2138
21392010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2140
2141	* Merge from mainline (154736:156693).
2142
21432010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145	PR middle-end/43012
2146	* gcc.dg/graphite/pr43012.c: New.
2147
21482010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150	* graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
21512010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153	* g++.dg/graphite/pr42930.C: New.
2154
21552010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157	PR middle-end/42930
2158	* graphite-scop-detection.c (graphite_can_represent_scev): Call
2159	graphite_can_represent_init for MULT_EXPR.
2160
21612010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163	PR middle-end/42914
2164	PR middle-end/42530
2165	* graphite-sese-to-poly.c (remove_phi): New.
2166	(translate_scalar_reduction_to_array): Call remove_phi.
2167
2168	* gcc.dg/graphite/pr42530.c: New.
2169	* gcc.dg/graphite/pr42914.c: New.
2170
21712010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2172
2173	PR middle-end/42771
2174	* graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2175	* graphite-clast-to-gimple.h (gloog): Update declaration.
2176	* graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2177	* graphite-poly.h (struct poly_bb): Add missing comments.
2178	(struct scop): Add poly_scop_p field.
2179	(POLY_SCOP_P): New.
2180	* graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2181	* graphite.c (graphite_transform_loops): Build the polyhedral
2182	representation for each scop before code generation.
2183	* sese.c (rename_variables_in_operand): Removed.
2184	(rename_variables_in_expr): Return the renamed expression.
2185	(rename_sese_parameters): New.
2186	* sese.h (rename_sese_parameters): Declared.
2187
2188	* gcc.dg/graphite/pr42771.c: New.
2189
21902010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192	* gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
2193	return 0 from main.
2194	* gcc.dg/graphite/block-1.c: Same.
2195	* gcc.dg/graphite/block-3.c: Same.
2196	* gcc.dg/graphite/block-4.c: Same.
2197	* gcc.dg/graphite/block-5.c: Same.
2198	* gcc.dg/graphite/block-6.c: Same.
2199	* gcc.dg/graphite/block-7.c: Same.
2200	* gcc.dg/graphite/interchange-0.c: Same.
2201	* gcc.dg/graphite/interchange-1.c: Same.
2202	* gcc.dg/graphite/interchange-10.c: Same.
2203	* gcc.dg/graphite/interchange-11.c: Same.
2204	* gcc.dg/graphite/interchange-12.c: Same.
2205	* gcc.dg/graphite/interchange-2.c: Same.
2206	* gcc.dg/graphite/interchange-3.c: Same.
2207	* gcc.dg/graphite/interchange-4.c: Same.
2208	* gcc.dg/graphite/interchange-5.c: Same.
2209	* gcc.dg/graphite/interchange-6.c: Same.
2210	* gcc.dg/graphite/interchange-7.c: Same.
2211	* gcc.dg/graphite/interchange-8.c: Same.
2212	* gcc.dg/graphite/interchange-9.c: Same.
2213	* gcc.dg/graphite/interchange-mvt.c: Same.
2214
22152010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2216
2217	* gfortran.dg/graphite/id-19.f: New.
2218	* gfortran.dg/graphite/pr14741.f90: New.
2219	* gfortran.dg/graphite/pr41924.f90: New.
2220	* gfortran.dg/graphite/run-id-2.f90: New.
2221
22222010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2223
2224	PR middle-end/42988
2225	* graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2226	to unknown_dependence.
2227	(graphite_legal_transform_dr): Handle the unknown_dependence.
2228	(graphite_carried_dependence_level_k): Same.
2229
22302010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232	* ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2233
22342010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2235	    Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2236
2237	PR middle-end/42637
2238	* graphite-dependences.c (build_lexicographical_constraint): Return
2239	a union of dependence polyhedra.
2240	(dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
2241
2242	* gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
2243	* gcc.dg/graphite/block-4.c: Same.
2244	* gcc.dg/graphite/block-7.c: Same.
2245	* gcc.dg/graphite/interchange-12.c: Same.
2246	* gcc.dg/graphite/interchange-mvt.c: Same.
2247	* gfortran.dg/graphite/interchange-1.f: XFAILed.
2248	* gfortran.dg/graphite/interchange-3.f90: XFAILed.
2249	* gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
2250
22512010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253	* gcc.dg/graphite/interchange-12.c: Return 0 to avoid
2254	the execution check to FAIL.  This testcase is miscompiled by Graphite
2255	and the check should be re-enabled.
2256	* gcc.dg/graphite/interchange-mvt.c: Same.
2257	* gcc.dg/graphite/block-0.c: Same.
2258	* gcc.dg/graphite/block-4.c: Same.
2259	* gcc.dg/graphite/block-7.c: Same.
2260
22612010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263	* gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
2264	* gcc.dg/graphite/scop-0.c: Fix spaces.
2265	* gfortran.dg/graphite/block-1.f90: Rewrite expected output.
2266	* gfortran.dg/graphite/block-2.f: Same.
2267	* gfortran.dg/graphite/block-3.f90: Same.
2268	* gfortran.dg/graphite/block-4.f90: Same.
2269	* gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
2270	* gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
2271
22722010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274	* graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
2275	PDDR_ORIGINAL_SCATTERING_P.
2276	(pddr_is_empty): Rewritten.
2277	(print_dependence_polyhedron_layout): New.
2278	(print_pddr): New.
2279	(debug_pddr): New.
2280	(build_alias_set_powerset): Moved up.
2281	(poly_drs_may_alias_p): Moved up.
2282	(lexicographically_gt_p): Removed.
2283	(build_lexicographically_gt_constraint): Renamed
2284	build_lexicographical_constraint, reimplemented.
2285	(dependence_polyhedron_1): Simplified parameters.
2286	(dependence_polyhedron): Same.  Keep along empty PDDRs
2287	to make efficient use of the cache.
2288	(reduction_dr_p): Compute the PBBs don't pass them as parameters.
2289	(graphite_legal_transform_dr): Rewritten.
2290	(graphite_legal_transform_bb): Pass fewer arguments to
2291	graphite_legal_transform_dr.
2292	(graphite_carried_dependence_level_k): Simplified implementation.
2293	(dot_original_deps_stmt_1): Call dependence_polyhedron.
2294	(dot_transformed_deps_stmt_1): Same.
2295	(dot_original_deps): Same.
2296	(dot_transformed_deps): Same.
2297	* graphite-dependences.h (struct poly_ddr): Added a new field
2298	original_scattering_p.
2299	(PDDR_ORIGINAL_SCATTERING_P): New.
2300	(print_pddr): Declared.
2301	(debug_pddr): Declared.
2302	* graphite-ppl.c: Clarify comment.
2303	* sese.h (print_gimple_bb): Removed unused declaration.
2304	(debug_gbb): Same.
2305
23062010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308	* g++.dg/graphite/graphite.exp: Rewritten.
2309	* gcc.dg/graphite/graphite.exp: Rewritten.
2310	* gfortran.dg/graphite/graphite.exp: Rewritten.
2311	* gcc.dg/graphite/block-0.c: Added runtime test.
2312	* gcc.dg/graphite/block-1.c: Same.
2313	* gcc.dg/graphite/block-3.c: Same.
2314	* gcc.dg/graphite/block-4.c: Same.
2315	* gcc.dg/graphite/block-5.c: Same.
2316	* gcc.dg/graphite/block-6.c: Same.
2317	* gcc.dg/graphite/block-7.c: Same.
2318	* gcc.dg/graphite/interchange-0.c: Same.
2319	* gcc.dg/graphite/interchange-1.c: Same.
2320	* gcc.dg/graphite/interchange-10.c: Same.
2321	* gcc.dg/graphite/interchange-11.c: Same.
2322	* gcc.dg/graphite/interchange-12.c: Same.
2323	* gcc.dg/graphite/interchange-2.c: Same.
2324	* gcc.dg/graphite/interchange-3.c: Same.
2325	* gcc.dg/graphite/interchange-4.c: Same.
2326	* gcc.dg/graphite/interchange-5.c: Same.
2327	* gcc.dg/graphite/interchange-6.c: Same.
2328	* gcc.dg/graphite/interchange-7.c: Same.
2329	* gcc.dg/graphite/interchange-8.c: Same.
2330	* gcc.dg/graphite/interchange-9.c: Same.
2331	* gcc.dg/graphite/interchange-mvt.c: Same.
2332	* gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
2333
23342010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2335
2336	* graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
2337	  background.
2338
23392010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2340
2341	* common.opt: Add -fgraphite-cloog-opts.
2342	* graphite-clast-to-gimple.c (set_cloog_options): Same.
2343	* opts.c (decode_options): Same.
2344
23452010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347	* gcc.dg/graphite/id-17.c: New.
2348	* gcc.dg/graphite/pr41888.c: New.
2349	* gcc.dg/graphite/scop-22.c: New.
2350	* gfortran.dg/graphite/pr40982.f90: New.
2351
23522010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354	* graphite-dependences.c: Clarify comments.
2355	(build_pddr): Add an extra parameter direction.
2356	(graphite_legal_transform_dr): Use build_pddr.
2357	(dot_original_deps_stmt_1): Update use of build_pddr.
2358	(dot_transformed_deps_stmt_1): Same.
2359	(dot_original_deps): Same.
2360	(dot_transformed_deps): Same.
2361
2362	* gcc.dg/graphite/interchange-12.c: New.
2363	* gcc.dg/graphite/block-7.c: New.
2364
23652010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367	* graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2368	(pddr_transformed_scattering): Removed.
2369	(graphite_legal_transform_dr): Use build_pddr.
2370	(dot_original_deps_stmt_1): Same.
2371	(dot_transformed_deps_stmt_1): Same.
2372	(dot_original_deps): Same.
2373	(dot_transformed_deps): Same.
2374
23752010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377	* graphite-dependences.c (lexicographically_gt_p): Add comments.
2378	(build_lexicographically_gt_constraint): Same.
2379	(dependence_polyhedron_1): Same.
2380	(dependence_polyhedron): Same.
2381
23822010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384	* graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2385	(build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2386	(lexicographically_gt_p): Change type of direction to int.
2387	(build_lexicographically_gt_constraint): Same.
2388	(dependence_polyhedron_1): Same.
2389	(dependence_polyhedron): Same.
2390	(pddr_original_scattering): Use integers for direction.
2391	(pddr_transformed_scattering): Same.
2392	(graphite_legal_transform_dr): Same.
2393	(graphite_carried_dependence_level_k): Same.
2394
23952010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2396
2397	* graphite-dependences.c (build_pairwise_constraint): Renamed
2398	ppl_build_relation.  Moved...
2399	(dr_equality_constraints): Use ppl_build_relation.
2400	(build_pairwise_scheduling_equality): Same.
2401	(build_pairwise_scheduling_inequality): Same.
2402	* graphite-ppl.c (ppl_build_relation): ...here.
2403	* graphite-ppl.h (ppl_build_relation): Declared.
2404
24052010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407	PR middle-end/42681
2408	* graphite-clast-to-gimple.c (gloog_error): New static variable.
2409	(clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2410	Set gloog_error when such an expression failed to be built.
2411	(translate_clast): Early return when gloog_error is set.
2412	(gloog): Clear gloog_error.  When gloog_error is set, call
2413	set_ifsese_condition to enable the original code.  Return the status
2414	of the code generation based on gloog_error.
2415	* sese.c (set_ifsese_condition): New.
2416	* sese.h (set_ifsese_condition): Declared.
2417
2418	* g++.dg/graphite/pr42681.C: New.
2419
24202010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422	PR middle-end/42732
2423	* graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2424	rename_nb_iterations.
2425	* sese.c (rename_variables_in_operand): New.
2426	(rename_variables_in_expr): New.
2427	(rename_nb_iterations): New.
2428	(sese_adjust_liveout_phis): Update the rename_map.
2429	* sese.h (rename_nb_iterations): Declared.
2430	* tree-scalar-evolution.c (scev_reset_htab): New.
2431	(scev_reset): Call scev_reset_htab.
2432	* tree-scalar-evolution.h (scev_reset_htab): Declared.
2433
2434	* gfortran.dg/graphite/pr42732.f: New.
2435
24362010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438	PR middle-end/42393
2439	* graphite-clast-to-gimple.c: Fix formatting.
2440	* sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2441	(expr_defined_in_loop_p): New.
2442	(add_loop_exit_phis): Also handle full expressions: remove from
2443	the rename_map the expressions defined in the loop that we're closing.
2444
2445	* gfortran.dg/graphite/pr42393-1.f90: New.
2446	* gfortran.dg/graphite/pr42393.f90: Add new flags
2447	-fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2448	make this testcase useful in the Graphite branch.
2449
24502010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452	* graphite-scop-detection.c (exclude_component_ref): Removed.
2453	(is_simple_operand): Removed.
2454	(stmt_simple_for_scop_p): Remove use of is_simple_operand.
2455
24562010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458	PR middle-end/42221
2459	* sese.c (expand_scalar_variables_expr): Follow the SSA links into
2460	the array indexing of ADDR_EXPRs.
2461
2462	* gcc.dg/graphite/pr42221.c: New.
2463
24642010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2465
2466	PR middle-end/42521
2467	* graphite.c (graphite_finalize): Call scev_reset.
2468	(graphite_transform_loops): Do not call scev_reset between the code
2469	generation of scops.
2470
2471	* gcc.dg/graphite/pr42521.c: New.
2472
24732010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475	* graphite-interchange.c (memory_stride_in_loop): Renamed
2476	pdr_stride_in_loop.
2477	(memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2478	(memory_strides_in_loop): Memoize the memory strides per loop.
2479	(lst_interchange_profitable_p): Do not initialize to zero the memory
2480	strides.
2481	* graphite-poly.h (struct lst): Add a field memory_strides.
2482	(LST_LOOP_MEMORY_STRIDES): New.
2483	(new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2484	(free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2485
24862010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488	* graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2489	memory_strides_in_loop.  Gather memory strides on a whole loop.
2490	(pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2491	(lst_interchange_profitable_p): Removed.
2492	(lst_try_interchange_loops): Call lst_interchange_profitable_p.
2493
24942010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2495
2496	Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2497	* graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2498	(translate_clast_for, translate_clast_guard, translate_clast, gloog):
2499	Remove context_loop and level.
2500
25012010-01-07  Richard Guenther  <rguenther@suse.de>
2502
2503	PR tree-optimization/42641
2504	* sese.c (rename_map_elt_info): Use the SSA name version, do
2505	not hash pointers.
2506
25072010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509	* graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2510	blocked" only when both the strip mine and the interchange have
2511	been applied.
2512
2513	* gcc.dg/graphite/block-2.c: Removed.
2514	* gcc.dg/graphite/block-3.c: Add scan pattern.
2515	* gcc.dg/graphite/block-4.c: Same.
2516	* gcc.dg/graphite/block-5.c: Same.
2517	* gcc.dg/graphite/block-6.c: Same.
2518
25192010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521	* graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2522	before allocating a new one.
2523	(copy_renames): Check that slot is not NULL.
2524	(mark_bb_with_pbb): Same.
2525	(compute_cloog_iv_types_1): Same.
2526	* graphite-interchange.c (lst_perfect_nestify): Free the before,
2527	nest, and after LSTs.
2528	(lst_try_interchange_loops): Same.
2529
25302010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532	PR middle-end/42178
2533	* graphite-interchange.c (lst_try_interchange_loops): Do not return
2534	the before, nest, and after LSTs.
2535	(lst_try_interchange): Removed.
2536	(lst_interchange_select_inner): Do not iterate over the LSTs if they
2537	were modified.
2538	(lst_interchange_select_outer): Apply interchange on the outer loop
2539	until there are no more changes in the inner loops.
2540
25412009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543	Revert patch fixing PR middle-end/42221.
2544
25452009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547	PR middle-end/42180
2548	* graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2549	GIMPLE_CALL.
2550
2551	* gfortran.dg/graphite/pr42180.f90: Add compile flags.
2552
25532009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555	PR middle-end/42180
2556	* graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2557	that contain only one statement.
2558
2559	* gfortran.dg/graphite/pr42180.f90: New.
2560
25612009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563	PR middle-end/42393
2564	* gfortran.dg/graphite/pr42393.f90: New.
2565
25662009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568	PR middle-end/42186
2569	* gfortran.dg/graphite/pr42186.f90: New.
2570
25712009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573	PR middle-end/42205
2574	* graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2575	Insert the reduction copy in the same block as the phi node.
2576	(follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2577
2578	* gcc.dg/graphite/pr42205-1.c: New.
2579	* gcc.dg/graphite/pr42205-2.c: New.
2580
25812009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583	PR middle-end/42221
2584	* sese.c (expand_scalar_variables_expr): Follow the SSA links into
2585	the array indexing of ADDR_EXPRs.
2586
2587	* gcc.dg/graphite/pr42221.c: New.
2588
25892009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591	PR middle-end/42178
2592	PR middle-end/42334
2593	* graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2594	index.  Call lst_interchange_select_inner only once.
2595	(lst_interchange_select_inner): Update use of lst_try_interchange.
2596	(lst_interchange_select_outer): Update.
2597
25982009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600	PR middle-end/42178
2601	PR middle-end/42334
2602	* graphite-interchange.c (lst_try_interchange): Do not increment the
2603	the OUTER index when there is no AFTER kernel.  Do not increment the
2604	OUTER index for after processing the AFTER kernel.
2605	(lst_interchange_select_inner): Call lst_try_interchange only on loops.
2606	(lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2607	index.  Do not pass to lst_interchange_select_inner the OUTER index.
2608	(scop_do_interchange): Update use of lst_interchange_select_outer.
2609
2610	* gfortran.dg/graphite/graphite.exp
2611	(DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2612	* gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2613	the graphite dump file.
2614	* gfortran.dg/graphite/interchange-2.f: Same.
2615	* gfortran.dg/graphite/pr42334-1.f: New.
2616
26172009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2618
2619	PR middle-end/42178
2620	PR middle-end/42334
2621	* graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2622	that are empty.
2623	(lst_do_interchange_1): Renamed lst_interchange_select_inner.
2624	(lst_try_interchange): Reimplemented.
2625	(lst_interchange_select_inner): Same.
2626	(lst_do_interchange): Renamed lst_interchange_select_outer.
2627	Reimplemented.
2628	(scop_do_interchange): Update use of lst_interchange_select_outer.
2629
2630	* g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2631	* gcc.dg/graphite/block-0.c: Un-XFAILed.
2632	* gcc.dg/graphite/pr42211.c: New.
2633	* gfortran.dg/graphite/pr42334.f90: New.
2634
26352009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637	PR middle-end/42181
2638	* graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2639	carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2640
2641	* gfortran.dg/graphite/pr42181.f90: New.
2642
26432009-12-12  Sebastian Pop  <sebpop@gmail.com>
2644
2645	PR middle-end/42284
2646	* graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2647	insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2648	(detect_commutative_reduction_arg): Simplified.
2649	(detect_commutative_reduction): Early return when the argument of
2650	the close phi is not of an SSA_NAME.
2651
2652	* gcc.dg/graphite/pr42284.c: New.
2653
26542009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2655
2656	* dbgcnt.def (graphite_scop): New counter.
2657	* graphite.c: Include dbgcnt.h
2658	(graphite_transform_loops): Use new counter to limit transformations.
2659
26602009-12-08  Sebastian Pop  <sebpop@gmail.com>
2661
2662	PR middle-end/42285
2663	* graphite-scop-detection.c (graphite_can_represent_init): Also
2664	handle more complex MULT_EXPRs containing parameters by recursion
2665	on the structure.
2666
2667	* gfortran.dg/graphite/pr42285.f90: New.
2668
26692009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2670
2671	* g++.dg/graphite/pr42130.C: Fix type.
2672
26732009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2674
2675	* g++.dg/graphite/pr42130.C: Correct testcase.
2676
26772009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2678
2679	* Merge from mainline (154493:154734).
2680
26812009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2682
2683	* Merge from mainline (151362:154491).
2684
26852009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2686
2687	* graphite-clast-to-gimple.c (try_mark_loop_parallel,
2688	graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2689
26902009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2691
2692	PR middle-end/42130
2693	* graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2694	translate_clast_for_loop): New.
2695	(translate_clast_for): Add a condition around the loop, to do not
2696	execute loops with zero iterations.
2697	* g++.dg/graphite/pr42130.C: New.
2698	* gcc.dg/graphite/pr35356-2.c: Adapt.
2699
27002009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2701
2702	* graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2703	(translate_clast_for, translate_clast_guard, translate_clast, gloog):
2704	Remove context_loop and level.
2705
27062009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2707
2708	* graphite-clast-to-gimple.c (translate_clast_user,
2709	translate_clast_for, translate_clast_guard): Simplify and move common
2710	elements to translate_clast().
2711	(translate_clast): Simplify and get common elements.
2712
27132009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2714
2715	* graphite-clast-to-gimple.c (translate_clast_user,
2716	translate_clast_for, translate_clast_guard): Split out of
2717	translate_clast.
2718
27192009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721	* graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2722	clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2723	debug_clast_name_indexes_1, debug_clast_name_indexes,
2724	clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2725	(clast_name_to_gcc, clast_to_gcc_expression,
2726	clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2727	gcc_type_for_clast_eq, graphite_translate_clast_equation,
2728	graphite_create_guard_cond_expr, graphite_create_new_loop,
2729	translate_clast): Add params_index.
2730	(initialize_cloog_names): Create parameter strings from scratch, do
2731	not reference other strings.
2732	(create_params_index): New.
2733	(gloog): Initialize params_index.
2734	* graphite-scop-detection (free_scops_1): Removed.
2735	(limit_scops): Use normal free_scops.
2736	* graphite-sese-to-poly.c (save_var_names): Removed.
2737	(parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2738	and SESE_PARAMS_INDEX.
2739	* sese.c (new_sese, free_sese): Dito.
2740	* sese.h (struct sese): Remove params_index, params_names.
2741	(SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2742
27432009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745	Revert the following patch from 2009-09-14:
2746	* graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2747	tree-scalar-evolution.h, and then tree-data-ref.h.
2748	* graphite-clast-to-gimple.c: Same.
2749	* graphite-dependences.c: Same.
2750	* graphite-interchange.c: Same.
2751	* graphite-poly.c: Same.
2752	* graphite-scop-detection.c: Same.
2753	* graphite-sese-to-poly.c: Same.
2754	* graphite.c: Same.
2755	* lambda-code.c: Same.
2756	* matrix-reorg.c: Same.
2757	* tree-data-ref.c: Same.
2758	* tree-if-conv.c: Same.
2759	* tree-loop-distribu: Same.: Same.
2760	* tree-loop-linear.c: Same.
2761	* tree-parloops.c: Same.
2762	* tree-predcom.c: Same.
2763	* tree-vect-patterns.c: Same.
2764
27652009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767	Revert patch from 2009-09-14.
2768	* tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2769	passes at -O1 and below.
2770
27712009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773	PR middle-end/40281
2774	* gcc.dg/graphite/pr40281.c: New.
2775
2776	* tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2777	evolutions should not variate in inner loops.
2778
27792009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781	PR middle-end/42050
2782	* gfortran.dg/graphite/pr42050.f90: New.
2783
27842009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786	* graphite-interchange.c (memory_strides_in_loop_depth): New.
2787	(pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2788
27892009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791	* graphite-blocking.c (scop_do_block): New.
2792	* graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2793	* graphite-poly.h (scop_do_block): Declared.
2794
27952009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797	* graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2798	depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2799	to transform depth into the time_depth before calling
2800	pbb_number_of_iterations_at_time.
2801	(lst_do_strip_mine): Use a scalar variable instead of recomputing
2802	lst_depth.
2803
28042009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2805
2806	Reverted the patch for "scattering permutations" from 2009-10-28.
2807
2808	* graphite-poly.c (print_permutation): New.
2809	(debug_permutation): New.
2810	(new_poly_bb): Initialize PBB_PERMUTATION.
2811	(free_poly_bb): Free PBB_PERMUTATION.
2812	* graphite-poly.h (pbb_permutation_elt_p): Declared.
2813	(struct pbb_permutation_elt): New.
2814	(PBB_PERMUTATION_ELT_STRIDE): New.
2815	(PBB_PERMUTATION_ELT_STRIDED_P): New.
2816	(PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2817	(new_pbb_permutation_elt): New.
2818	(pbb_permutation_elt_free): New.
2819	(struct poly_bb): Add field permutation.
2820	(PBB_PERMUTATION): New.
2821	(print_permutation): Declared.
2822	(debug_permutation): Declared.
2823
28242009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2825
2826        * graphite-interchange.c (build_partial_difference): New.
2827        (memory_stride_in_loop): Refactored the computation of
2828        equality constraints into build_partial_difference function.
2829        Added support for debugging stride computations.
2830
28312009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833	* graphite-clast-to-gimple.c (gloog): Free if_region,
2834	if_region->true_region, and if_region->region.
2835	* sese.c (if_region_set_false_region): Free if_region->false_region.
2836	(create_if_region_on_edge): Do not use GGC_NEW.
2837	(move_sese_in_condition): Remove useless initialization.
2838
28392009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841	* graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2842	for the loops created by the loop distribution.  Do not modify the
2843	input LSTs.
2844	(lst_try_interchange_loops): Same.  Use a temporary LST for the
2845	transformed schedule.  Call lst_update_scattering before data
2846	dependence analysis.
2847	(lst_try_interchange): Pass an extra parameter INDEX.
2848	(lst_do_interchange_1): New.
2849	(lst_do_interchange): Call lst_do_interchange_1.
2850	(scop_do_interchange): Call lst_update_scattering.
2851	* graphite-poly.c (apply_poly_transforms): Do not call
2852	lst_update_scattering.
2853	* graphite-poly.h (lst_pred): New.
2854	(lst_succ): New.
2855	(lst_find_first_pbb): Return NULL when not found.
2856	(lst_empty_p): New.
2857	(lst_insert_in_sequence): Allow LST1 to be NULL.
2858	(lst_replace): New.
2859	(lst_substitute_3): New.
2860	* gcc.dg/graphite/interchange-1.c: XFail.
2861	* gcc.dg/graphite/interchange-8.c: XFail.
2862	* gcc.dg/graphite/interchange-11.c: XFail.
2863
28642009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866	* graphite-interchange.c (lst_perfectly_nested_p): New.
2867	(lst_perfect_nestify): New.
2868	(lst_try_interchange_loops): Call store_lst_schedule,
2869	lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2870	(scop_do_interchange): Avoid redundant legality test.
2871	Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2872	* graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2873	* graphite-poly.h (psct_static_dim): New.
2874	(lst_dewey_number_at_depth): New.
2875	(lst_find_pbb): Restructured.
2876	(lst_find_first_pbb): Restructured.
2877	(lst_find_last_pbb): New.
2878	(lst_contains_p): New.
2879	(lst_contains_pbb): New.
2880	(lst_create_nest): New.
2881	(lst_remove_from_sequence): New.
2882	(pbb_update_scattering): New.
2883	(lst_update_scattering_under): New.
2884	(lst_update_scattering_seq): New.
2885	(lst_update_scattering): New.
2886	(lst_insert_in_sequence): New.
2887	(lst_distribute_lst): New.
2888	(lst_remove_all_before_including_pbb): New.
2889	(lst_remove_all_before_excluding_pbb): New.
2890
28912009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2892
2893	* tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2894	get_loop_exit_edges.
2895
28962009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2897
2898	* graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2899
29002009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2901
2902	* graphite-poly.c (print_permutation): New.
2903	(debug_permutation): New.
2904	(new_poly_bb): Initialize PBB_PERMUTATION.
2905	(free_poly_bb): Free PBB_PERMUTATION.
2906	* graphite-poly.h (pbb_permutation_elt_p): Declared.
2907	(struct pbb_permutation_elt): New.
2908	(PBB_PERMUTATION_ELT_STRIDE): New.
2909	(PBB_PERMUTATION_ELT_STRIDED_P): New.
2910	(PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2911	(new_pbb_permutation_elt): New.
2912	(pbb_permutation_elt_free): New.
2913	(struct poly_bb): Add field permutation.
2914	(PBB_PERMUTATION): New.
2915	(print_permutation): Declared.
2916	(debug_permutation): Declared.
2917
29182009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920	* graphite-clast-to-gimple.c (gloog): Do not call
2921	sese_reset_aux_in_loops.
2922	* graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2923	extra argument for domains.  Do not use loop->aux.
2924	(build_scop_iteration_domain): Initialize and free domains, pass it
2925	to build_loop_iteration_domains and extract the information from
2926	domains.  Do not use loop->aux.
2927	* sese.c (sese_reset_aux_in_loops): Removed.
2928	* sese.h (sese_reset_aux_in_loops): Removed.
2929
29302009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2931
2932	* graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2933	(dependency_in_loop_p): Same.
2934	(translate_clast): Do not use loop->aux.  Initialize
2935	loop->can_be_parallel.
2936	(mark_loops_parallel): Removed.
2937	* graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2938	* graphite.c (free_aux_in_new_loops): Removed.
2939	(graphite_finalize): Do not call free_aux_in_new_loops.
2940	(graphite_transform_loops): Do not call mark_loops_parallel.
2941
29422009-10-26  Li Feng  <nemokingdom@gmail.com>
2943
2944	* graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2945	(translate_clast): Pass an extra parameter LEVEL.
2946	Call get_scattering_level.
2947	* graphite-clast-to-gimple.h (get_scattering_level): New.
2948
29492009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2950
2951	* cfgloop.c (alloc_loop): Initialize loop->single_iv.
2952	* cfgloop.h (struct loop): New field single_iv.
2953
2954	* graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2955	loop->aux anymore: use loop->single_iv.
2956	(graphite_loop_normal_form): Moved...
2957	(build_graphite_loop_normal_form): Removed.
2958	(gloog): Do not call build_graphite_loop_normal_form.
2959	(free_aux_in_new_loops): Moved...
2960	(mark_loops_parallel): Restructure.
2961	* graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2962	* graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2963	(scop_canonicalize_loops): New.
2964	(build_poly_scop): Call scop_canonicalize_loops.
2965	* graphite.c (free_aux_in_new_loops): ...here.
2966
29672009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2968
2969	* g++.dg/graphite/graphite.exp: Add the same rules as in
2970	gcc.dg/graphite/graphite.exp.
2971
29722009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974	* g++.dg/graphite/id-1.C: New.
2975
29762009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2977
2978	* graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2979	argument base_name.
2980	(rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2981	(rewrite_phi_out_of_ssa): Same.
2982	(rewrite_cross_bb_scalar_deps): Same.
2983	(translate_scalar_reduction_to_array): Same.
2984
29852009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2986
2987	* graphite-sese-to-poly.c (build_scop_drs): Disable call to
2988	dump_alias_graphs.
2989
29902009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2991
2992	* graphite-sese-to-poly.c (dump_alias_graphs): New.
2993	(build_scop_drs): Call dump_alias_graphs.
2994
29952009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2996
2997	* graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2998	SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2999	(free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
3000	SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
3001	* graphite-poly.h (free_lst): New.
3002	(store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
3003	(restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
3004
30052009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007	* graphite-poly.h (struct scop): Add a field saved_schedule.
3008	(SCOP_SAVED_SCHEDULE): New.
3009	(store_lst_schedule): New.
3010	(restore_lst_schedule): New.
3011	(store_scattering): Call store_lst_schedule.
3012	(restore_scattering): Call restore_lst_schedule.
3013
30142009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016	* graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
3017	(pdr_add_alias_set): Same.
3018	(build_poly_dr): Same.
3019	(build_alias_set_optimal_p): Same.
3020	(build_base_obj_set_for_drs): Same.  Do not store the result of
3021	graphds_dfs.
3022
30232009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025	* graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
3026	all_components_are_cliques to 1.
3027
30282009-10-20  Li Feng  <nemokingdom@gmail.com>
3029
3030	* graphite-sese-to-poly.c (free_data_refs_aux): Update to free
3031	the new structure.
3032	(pdr_add_alias_set): Update retrieving alias_set_num.
3033	(build_poly_dr): Update retrieving dr_base_object_set.
3034	(partition_drs_to_sets): Remove.
3035	(build_alias_set_optimal_p): New.
3036	(build_alias_set_for_drs): Rename.
3037	(build_scop_drs): Update.
3038	* graphite-sese-to-poly.h (struct base_alias_pair): New.
3039	(ALIAS_SET_INDEX): Remove.
3040	(BASE_OBJECT_SET_INDEX): Remove.
3041
30422009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044	* sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
3045
30462009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3047
3048	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
3049	loop upper bounds for 1-element arrays at end of structures.
3050	* tree-flow.h (array_at_struct_end_p): Declared.
3051	* tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
3052
30532009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3054
3055	* g++.dg/graphite/pr41305.C: New.
3056
30572009-10-20  Alexander Monakov  <amonakov@ispras.ru>
3058
3059	* graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
3060	construction of parameter constraints from loop iteration analysis.
3061	* gcc.dg/graphite/run-id-2.c: New test.
3062
30632009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3064
3065	* graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
3066	and new_cstr.
3067
30682009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070	* graphite-dependences.c (dependence_polyhedron_1): Remove
3071	unused gdim dimensions from the DDR polyhedron.
3072
30732009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075	* graphite-dependences.c (pddr_transformed_scattering): New.
3076	(dot_original_deps_stmt_1): New.
3077	(dot_transformed_deps_stmt_1): New.
3078	(dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
3079	dot_transformed_deps_stmt_1.
3080	(dot_original_deps): New.
3081	(dot_transformed_deps): New.
3082	(dot_deps_1): Call dot_original_deps and dot_transformed_deps.
3083
30842009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3085
3086	* graphite-dependences.c (reduction_dr_1): Remove wrong
3087	assert: reduction BBs can have multiple reduction writes
3088	to memory.  interchange-3.f90 is an example.
3089
30902009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3091
3092	* gfortran.dg/graphite/interchange-3.f90: New.
3093
30942009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096	* gcc.dg/graphite/interchange-1.c: Un-XFAILed.
3097
30982009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100	* graphite-dependences.c (dependence_polyhedron_1): Add the
3101	context to the dependence polyhedron.
3102
31032009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3104
3105	* graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
3106	PBB_PDR_DUPLICATES_REMOVED.
3107	(new_poly_bb): Same.
3108
31092009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3110
3111	* graphite-sese-to-poly.c (find_scop_parameters): Initialize
3112	SCOP_CONTEXT.
3113	(build_loop_iteration_domains): Extract bounds on parameters
3114	based on the data size.
3115	(build_scop_context): Do not initialize SCOP_CONTEXT;
3116	add new constraints.
3117
31182009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3119
3120	* graphite-ppl.c (ppl_min_for_le_polyhedron): New.
3121	* graphite-ppl.h (graphite-ppl.h): Declared.
3122
31232009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3124
3125	* graphite-ppl.c (ppl_print_linear_expr): New.
3126	(debug_ppl_linear_expr): New.
3127	* graphite-ppl.h (ppl_print_linear_expr): Declared.
3128	(debug_ppl_linear_expr): Declared.
3129
31302009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3131
3132	* graphite-interchange.c: Fix comments.
3133	* gcc.dg/graphite/block-1.c: Fix comments.
3134
31352009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3136
3137	* gcc.dg/graphite/interchange-7.c: Un-XFAILed.
3138	* gcc.dg/graphite/interchange-9.c: Un-XFAILed.
3139
31402009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142	Reapply the patch from Alexander Monakov that disappeared during
3143	the last merges from trunk.
3144
3145	2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3146
3147	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3148	for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3149
31502009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152	* graphite-interchange.c (memory_stride_in_loop): The depth
3153	argument corresponds to a dynamic time dimension, so use
3154	psct_dynamic_dim to refer to the transformed scattering dimension.
3155
31562009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158	* graphite-interchange.c (memory_stride_in_loop): Fix comments.
3159
31602009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162	* graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
3163	root of the LST.
3164	* graphite-interchange.c (lst_do_interchange): Avoid interchanging
3165	the root of the LST.
3166	* graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
3167	fake loop.
3168	(print_lst): Print the root of LST in a different format.
3169	* graphite-poly.h (lst_depth): Adjust to include the root of the LST.
3170
31712009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3172
3173	* graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
3174
31752009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177	* doc/passes.texi: Document the Graphite infrastructure.
3178
31792009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181	* graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
3182	(rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
3183	and check the SSA representation.
3184
3185	* gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
3186
31872009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3188
3189	* gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
3190
31912009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3192
3193	* gcc.dg/graphite/interchange-11.c: New.
3194
31952009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3196
3197	* gcc.dg/graphite/interchange-8.c: Enable loop interchange.
3198
31992009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3200
3201	* gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3202	Add -fno-loop-strip-mine and -fno-loop-interchange.
3203	(DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
3204	-fno-loop-strip-mine.
3205	* gfortran.dg/graphite/graphite.exp: Same.
3206
32072009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209	* gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3210	Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
3211	(DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
3212	DEFAULT_FLAGS_GRAPHITE_IDENTITY.
3213	(DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
3214	DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
3215	(DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
3216	DEFAULT_FLAGS_GRAPHITE_SCOP.
3217	(DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
3218	(DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
3219
32202009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222	* graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
3223
32242009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3225	    Sebastian Pop  <sebastian.pop@amd.com>
3226
3227	* graphite-interchange.c (build_linearized_memory_access): Pass an
3228	offset as parameter.
3229	(memory_stride_in_loop): Include transform scattering in the
3230	access functions to be able to querry the strides in the
3231	transformed loops.
3232	(pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
3233	not the psct_iterator_dim.
3234
32352009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237	* graphite-blocking.c (pbb_do_strip_mine): Removed.
3238	(lst_do_strip_mine_loop): New.
3239	(lst_do_strip_mine): New.
3240	(scop_do_strip_mine): Call lst_do_strip_mine.
3241	* graphite-poly.h (lst_add_loop_under_loop): New.
3242	(lst_find_first_pbb): New.
3243
32442009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246	* graphite-poly.c (loop_to_lst): Fix LST creation.
3247
32482009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3249
3250	* gcc.dg/graphite/id-15.c: (8 * 8) replaced with
3251	sizeof(unsigned long) to make it run on 32bit systems.
3252
32532009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3254
3255	* gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
3256	SEGFAULT on 32bit.
3257
32582009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
3259
3260	* graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
3261	Comment.
3262	(write_alias_graph_to_ascii_dot): New.
3263	(write_alias_graph_to_ascii_ecc): Ditto.
3264	(partition_drs_to_sets): Add testing of optimality of current method
3265	which assigns alias numbers according to DFS Comopnent number.  used
3266	as heuristic for the upcoming ECC algorithm.
3267	(build_scop_drs): Write to file also with the ecc and dot format.
3268
32692009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3270
3271	* gfortran.dg/graphite/interchange-1.f: XFail.
3272
32732009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275	* graphite.c (graphite_initialize): Do not handle functions with
3276	more than 100 basic blocks.
3277
32782009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3279
3280	* graphite-blocking.c (pbb_do_strip_mine): Use
3281	PARAM_LOOP_BLOCK_TILE_SIZE.
3282
32832009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285	* graphite-poly.c (dot_lst_1): New.
3286	(dot_lst): New.
3287	* graphite-poly.h (dot_lst): Declared.
3288
32892009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291	* graphite-dependences.c (dot_deps_stmt_1): New.
3292	(dot_deps_stmt): New.
3293	* graphite-dependences.h (dot_deps_stmt): Declared.
3294
32952009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3296
3297	* graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
3298	not replace cross BB scalar dependences ending on PHI nodes.
3299	(rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
3300
33012009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303	* graphite-poly.c (apply_poly_transforms): Implement the high
3304	level driver for flag_loop_block.
3305	* opts.c (decode_options): Enable flag_loop_block at -O2.
3306	* tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
3307	flag_loop_block.
3308
3309	* gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
3310	-floop-block.
3311	* gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3312	Add -floop-block.
3313
33142009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3315
3316	* graphite-poly.h (lst_find_pbb): New.
3317	(find_lst_loop): New.
3318
33192009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3320
3321	* graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
3322	* graphite-poly.h (struct scop): Remove dep_graph field.
3323	(SCOP_DEP_GRAPH): Removed.
3324
33252009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327	* graphite-poly.h (copy_lst): Do full copy of LST.
3328
33292009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331	* graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
3332	when the loop stride is zero.
3333
3334	* gcc.dg/graphite/id-16.c: New.
3335
33362009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338	* graphite-dependences.c (reduction_dr_1): New.
3339	(reduction_dr_p): New.
3340	(graphite_legal_transform_dr): Call reduction_dr_p.
3341	(reduction_ddr): Renamed reduction_ddr_p.
3342	* graphite-poly.h (same_pdr_p): New.
3343	(number_of_write_pdrs): New.
3344	* graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3345	(split_reduction_stmt): Do not split reduction statements
3346	when there are no writes to memory.
3347	(translate_scalar_reduction_to_array_for_stmt): Insert the
3348	memory reduction statement just after the scalar reduction statement.
3349
3350	* gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3351	Un-XFAIL-ed.
3352	* gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3353	* gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3354
33552009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357	* graphite-interchange.c (lst_apply_interchange): New.
3358	(lst_interchange_profitable_p): New.
3359	(lst_try_interchange_loops): New.
3360	(lst_try_interchange): New.
3361	(lst_do_interchange): New.
3362	(pbb_do_interchange): Removed.
3363	(scop_do_interchange): Call lst_do_interchange.
3364
33652009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3366
3367	* graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3368	SCOP_TRANSFORMED_SCHEDULE.
3369	(loop_to_lst): New.
3370	(scop_to_lst): New.
3371	(print_lst): New.
3372	(debug_lst): New.
3373	* graphite-poly.h (lst_p): New.
3374	(struct lst): New.
3375	(LST_LOOP_P): New.
3376	(LST_LOOP_FATHER): New.
3377	(LST_PBB): New.
3378	(LST_SEQ): New.
3379	(scop_to_lst): Declared.
3380	(print_lst): Declared.
3381	(debug_lst): Declared.
3382	(new_lst_loop): New.
3383	(new_lst_stmt): New.
3384	(copy_lst): New.
3385	(lst_depth): New.
3386	(lst_dewey_number): New.
3387	(struct scop): Add original_schedule and transformed_schedule fields.
3388	(SCOP_ORIGINAL_SCHEDULE): New.
3389	(SCOP_TRANSFORMED_SCHEDULE): New.
3390	* graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3391
33922009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394	* graphite-dependences.c (reduction_ddr): New.
3395	(graphite_legal_transform_bb): Call reduction_ddr.
3396	* graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3397	Initialize PBB_IS_REDUCTION.
3398	* graphite-poly.h (struct poly_bb): New bool field is_reduction.
3399	(PBB_IS_REDUCTION): New.
3400	(new_poly_bb): Update declaration.
3401	* graphite-scop-detection.h (build_scop_bbs): Removed.
3402	(nb_reductions_in_loop): Removed.
3403	* graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3404	parameter for reductions.
3405	(try_generate_gimple_bb): Update call to new_poly_bb.
3406	(build_scop_bbs_1): Same.
3407	(build_scop_bbs): Same.
3408	(gsi_for_phi_node): New.
3409	(scalar_close_phi_node_p): Remove gcc_assert.
3410	(split_reduction_stmt): New.
3411	(is_reduction_operation_p): New.
3412	(phi_contains_arg): New.
3413	(follow_ssa_with_commutative_ops): New.
3414	(detect_commutative_reduction_arg): New.
3415	(detect_commutative_reduction_assign): New.
3416	(follow_inital_value_to_phi): New.
3417	(edge_initial_value_for_loop_phi): New.
3418	(initial_value_for_loop_phi): New.
3419	(detect_commutative_reduction): New.
3420	(translate_scalar_reduction_to_array_for_stmt): New.
3421	(insert_copyout): New.
3422	(insert_copyin): New.
3423	(translate_scalar_reduction_to_array): New.
3424	(rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3425	(rewrite_commutative_reductions_out_of_ssa_loop): New.
3426	(rewrite_commutative_reductions_out_of_ssa): New.
3427	(build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3428	* sese.h (split_region_for_bb): New.
3429
3430	* gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3431	* gcc.dg/graphite/interchange-1.c: Fix format.
3432	* gcc.dg/graphite/interchange-10.c: New.
3433
34342009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436	* graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3437	buggy assert.
3438
34392009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441	* graphite-sese-to-poly.c (scev_analyzable_p): New.
3442	(rewrite_cross_bb_scalar_dependence): New.
3443	(rewrite_cross_bb_scalar_deps): New.
3444	(rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3445	Call rewrite_cross_bb_scalar_deps.
3446
34472009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449	* graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3450	(insert_out_of_ssa_copy): Directly use gsi_after_labels and
3451	gsi_for_stmt.
3452
34532009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3454
3455	* graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3456	* graphite-interchange.c (pbb_do_interchange): Same.
3457	* graphite-poly.c (print_scattering_function): Same.
3458	(debug_pdrs): Same.
3459	* graphite-poly.h (pbb_loop): New.
3460	* graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3461
34622009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3463
3464	* graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3465
34662009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3467
3468	* graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3469	so don't pass a pointer to it.
3470	(build_alias_set_for_drs): Same.
3471	(build_base_obj_set_for_drs): Same.
3472	(build_scop_drs): Same.
3473
34742009-09-26  Li Feng  <nemokingdom@gmail.com>
3475
3476	* graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3477	the alias graph of data references.
3478
34792009-09-25  Li Feng  <nemokingdom@gmail.com>
3480
3481	* graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3482	(build_scop_drs): When debugging, write the alias graph to file,
3483	otherwise, should be disabled.
3484
34852009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3486
3487	* Merge from mainline (151310:151361).
3488
34892009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3490
3491	* Merge from mainline (151171:151310).
3492
34932009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3494
3495	* Merge from mainline (151171:151806).
3496
34972009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3498
3499	* Revert the last commit.
3500
35012009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503	* Merge from mainline (151171:151819).
3504
35052009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3506
3507	* graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3508	(is_simple_operand): Remove call to stmt_simple_memref_p.
3509	(stmt_simple_for_scop_p): Update call to is_simple_operand.
3510
35112009-09-17  David Edelsohn  <edelsohn@gnu.org>
3512
3513	* gcc.dg/graphite/interchange-mvt.c: New File.
3514	* gcc.dg/graphite/scop-dsyrk.c: New File.
3515	* gcc.dg/graphite/scop-dsyr2k.c: New File.
3516	* gcc.dg/graphite/scop-mvt.c: New File.
3517	* gcc.dg/graphite/scop-sor.c: New File.
3518
35192009-09-17 Li Feng  <nemokingdom@gmail.com>
3520
3521	* graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3522	(pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3523	(graphite_carried_dependence_level_k): Ditto.
3524	* graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3525	* graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3526	(new_poly_dr): Adjust declaration.
3527	* graphite-sese-to-poly.c (free_data_refs_aux): New.
3528	(free_gimple_bb): Added free_data_refs_aux.
3529	(build_poly_dr): Add dr_base_object_set.
3530	(partition_drs_to_sets): New.
3531	(dr_same_base_object_p): New.
3532	(build_alias_set_for_drs): New.
3533	(build_base_object_set_for_drs): New.
3534	(build_scop_drs): Add build_base_obj_set_for_drs.
3535	* graphite-sese-to-poly.h: Added #define for alias set number index and
3536	base object set index.
3537	* libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3538	* libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3539
35402009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3541
3542	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3543	for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3544
35452009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547	* graphite-sese-to-poly.c (struct irp_data): Removed.
3548	(idx_record_params): Removed.
3549	(find_params_in_bb): Scan for parameters the access functions; don't
3550	parse the tree representation.
3551
35522009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3553
3554	* tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3555	passes at -O1 and below.
3556
35572009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3558
3559	* graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3560	tree-scalar-evolution.h, and then tree-data-ref.h.
3561	* graphite-clast-to-gimple.c: Same.
3562	* graphite-dependences.c: Same.
3563	* graphite-interchange.c: Same.
3564	* graphite-poly.c: Same.
3565	* graphite-scop-detection.c: Same.
3566	* graphite-sese-to-poly.c: Same.
3567	* graphite.c: Same.
3568	* lambda-code.c: Same.
3569	* matrix-reorg.c: Same.
3570	* tree-data-ref.c: Same.
3571	* tree-if-conv.c: Same.
3572	* tree-loop-distribu: Same.: Same.
3573	* tree-loop-linear.c: Same.
3574	* tree-parloops.c: Same.
3575	* tree-predcom.c: Same.
3576	* tree-vect-patterns.c: Same.
3577
35782009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580	Partially revert the previous patch, except the following.
3581	* tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3582	as parameters the operands of the not expression.
3583
35842009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3585
3586	* tree-scalar-evolution.c (instantiate_scev_assign): New.
3587	Do not call analyze_scalar_evolution on assignments.
3588	(instantiate_scev_phi): Call analyze_scalar_evolution.
3589	(instantiate_scev_name): Call instantiate_scev_assign and
3590	instantiate_scev_phi.
3591	(instantiate_scev_not): Adapted to pass as parameters the operands
3592	of the not expression.
3593
35942009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3595
3596	* tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3597	to pass as parameters the operands of the binary expression.
3598
35992009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3600
3601	* tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3602	instantiate_scev_not.  Handle NEGATE_EXPR.
3603	(instantiate_scev_r): Handle NEGATE_EXPR.
3604
36052009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3606
3607	* tree-scalar-evolution.c (instantiate_scev_1): Renamed
3608	instantiate_scev_r.
3609	(instantiate_scev_r): Move code in instantiate_scev_2
3610	and instantiate_scev_1.
3611
36122009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3613
3614	* tree-scalar-evolution.c (instantiate_scev_3): New.
3615	(instantiate_scev_1): Move code in instantiate_scev_3.
3616
36172009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3618
3619	* tree-scalar-evolution.c (instantiate_scev_poly): New.
3620	(instantiate_scev_1): Move code in instantiate_scev_poly.
3621
36222009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3623
3624	* tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3625	(instantiate_scev_1): Move code in instantiate_scev_bitnot.
3626
36272009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3628
3629	* tree-scalar-evolution.c (instantiate_scev_convert): New.
3630	(instantiate_scev_1): Move code in instantiate_scev_convert.
3631
36322009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3633
3634	* tree-scalar-evolution.c (instantiate_scev_binary): New.
3635	(instantiate_scev_1): Move code in instantiate_scev_binary.
3636
36372009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3638
3639	* tree-scalar-evolution.c (instantiate_scev_name): New.
3640	(instantiate_scev_1): Move code in instantiate_scev_name.
3641
36422009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3643
3644	* Merge from mainline (150992:151171).
3645
36462009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3647
3648	* opts.c (decode_options): Enable flag_loop_interchange at -O2.
3649
36502009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652	* graphite-dependences.c (graphite_legal_transform_bb): Call
3653	pbb_remove_duplicate_pdrs.
3654	* graphite-poly.c (can_collapse_pdr): Removed.
3655	(pdr_find_duplicate): Removed.
3656	(can_collapse_pdrs): New.
3657	(pbb_remove_duplicate_pdrs): New.
3658	(new_poly_dr): Do not look for duplicates.
3659	* graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3660	(PBB_PDR_DUPLICATES_REMOVED): New.
3661	(pbb_remove_duplicate_pdrs): Declared.
3662
36632009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3664
3665	* graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3666	the strides by multiplying by PDR_NB_REFS.
3667	* graphite-poly.c (can_collapse_pdr): New.
3668	(pdr_find_duplicate): New.
3669	(new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3670	Initialize PDR_NB_REFS.
3671	* graphite-poly.h (struct poly_dr): Add field nb_refs.
3672	(PDR_NB_REFS): New.
3673	(new_poly_dr): Number of subscripts is a graphite_dim_t.
3674
36752009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677	Revert one of the previous commits:
3678	* graphite-dependences.c (graphite_legal_transform_bb): Avoid
3679	the computation of symmetric data dependence relations.
3680	(dependency_between_pbbs_p): Same.
3681
36822009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684	PR middle-end/40965
3685	* graphite-poly.c (apply_poly_transforms): Remove legality test before
3686	any transform.
3687
36882009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3689
3690	* graphite-dependences.c (pddr_original_scattering): Return NULL
3691	for read-read dependence relations.
3692	* graphite-poly.h (enum poly_dr_type): Fix comment.
3693	(pdr_read_p): New.
3694	(pdr_write_p): New.
3695	(pdr_may_write_p): New.
3696
36972009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699	* graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3700	(struct poly_dr): Same.
3701	(new_poly_dr): Same.
3702	* graphite-poly.c (new_poly_dr): Same.
3703
37042009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3705	    Sebastian Pop  <sebastian.pop@amd.com>
3706
3707	* graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3708	pbb_strip_mine_time_depth.  Changed the implementation so that
3709	transformation is expressed as a transformation on
3710	time (scatttering) dimensions.  Also, ensures that the 2d+1
3711	scheduling format is preserved.
3712	(pbb_strip_mine_profitable_p): Profitability is based on the
3713	iteration number of a given time (scattering) dimension,
3714	and not on a original loop depth dimension.
3715	(pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3716	(pbb_do_strip_mine): Call psct_dynamic_dim.
3717	* graphite-poly.c (pbb_number_of_iterations_at_time): New.
3718	* graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3719	(pbb_nb_dynamic_scattering_transform): New.
3720	(psct_dynamic_dim): New.
3721
37222009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3723
3724	* graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3725	* graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3726	* graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3727	* graphite-interchange.c (build_linearized_memory_access): Same.
3728	(memory_stride_in_loop): Same.
3729
37302009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3731
3732	* graphite-dependences.c (pddr_original_scattering): New.
3733	(graphite_legal_transform_dr): Call pddr_original_scattering.
3734	(dot_deps_1): New.
3735	(dot_deps): New.
3736	* graphite-dependences.h (dot_deps): Declared.
3737	* graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3738	(print_pdr): Print PDR_ID.
3739	* graphite-poly.h (struct poly_dr): Add field id.
3740	(PDR_ID): New.
3741	(pbb_index): New.
3742	* graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3743
37442009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746	* graphite-dependences.c (graphite_carried_dependence_level_k): Do
3747	not delete the original dependence relation.
3748
37492009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3750
3751	* graphite-dependences.c (graphite_legal_transform_bb): Avoid
3752	the computation of symmetric data dependence relations.
3753	(dependency_between_pbbs_p): Same.
3754
37552009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3756
3757	* graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3758	(eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3759	(hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3760	(free_poly_ddr): New.
3761	(pddr_is_empty): New.
3762	(dependence_polyhedron_1): Now returns a poly_ddr_p.
3763	(dependence_polyhedron): Same.  Remove useless gcc_assert.
3764	Remove fprintfs.
3765	(graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3766	(graphite_carried_dependence_level_k): Call pddr_is_empty.
3767	* graphite-dependences.h (enum poly_dependence_kind): New.
3768	(poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3769	(PDRP_SOURCE): Renamed PDDR_SOURCE.
3770	(PDRP_SINK): Renamed PDDR_SINK.
3771	(PDRP_DDP): Renamed PDDR_DDP.
3772	(PDDR_KIND): New.
3773	(free_poly_ddr): Declared.
3774	* graphite-poly.c (new_scop): Use the new hash function names.
3775	* graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3776	into original_pddrs.
3777	(SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3778
37792009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3780
3781	* Merge from mainline (150764:150992).
3782
37832009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3784
3785	* cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3786	bounds with LT_EXPR to make niter analysis more precise on code
3787	generated by Graphite.
3788
37892009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3790
3791	* graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3792	(graphite_legal_transform_bb): Same.
3793	(poly_drs_may_alias_p): Same.
3794
37952009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3796
3797	PR middle-end/40981
3798	* graphite-ppl.c (ppl_max_for_le): Correct the use of
3799	ppl_Pointset_Powerset_C_Polyhedron_maximize.
3800
38012009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803	* graphite-poly.c (print_pbb): Print PBB index.
3804
38052009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807	* Merge from mainline (r150672:150764).
3808
38092009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811	* graphite-interchange.c (ppl_max_for_le): Moved...
3812	* graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3813	* graphite-ppl.c (ppl_max_for_le): ... here.
3814	* graphite-ppl.h (ppl_max_for_le): Declared.
3815
38162009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3817
3818	* Merge from mainline (r150372:150672).
3819
38202009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822	PR middle-end/40980
3823	* sese.c (convert_for_phi_arg): New.
3824	(add_guard_exit_phis): Use convert_for_phi_arg.
3825
3826	* gfortran.dg/graphite/id-17.f: New.
3827
38282009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3831	unknown subscript upper bounds.
3832
3833	* gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3834
38352009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3836	    Pranav Garg  <pranav.garg2107@gmail.com>
3837
3838	* graphite-interchange.c (gather_access_strides): Removed.
3839	(ppl_max_for_le): New.
3840	(build_linearized_memory_access): New.
3841	(memory_stride_in_loop): New.
3842	(pbb_interchange_profitable_p): Reimplemented.
3843	* graphite-ppl.h (ppl_new_id_map): New.
3844	(ppl_interchange): New.
3845
3846	* gcc.dg/graphite/interchange-6.c: XFAILed.
3847
38482009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850	* graphite-interchange.c (compute_subscript): Removed.
3851	(compute_array_size_cstr): Removed.
3852	(compute_array_size_poly): Removed.
3853	(compute_array_size): Removed.
3854	(gather_access_strides_poly): Removed.
3855	(gather_access_strides): Empty.
3856
38572009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859	* graphite-dependences.c (dependence_polyhedron_1): Replace
3860	pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3861	(graphite_legal_transform_dr): Same.
3862	(graphite_carried_dependence_level_k): Same.
3863	* graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3864	Initialize PDR_NB_SUBSCRIPTS.
3865	(print_pdr_access_layout): Replace pdr_nb_subscripts with
3866	PDR_NB_SUBSCRIPTS.
3867	* graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3868	(PDR_NB_SUBSCRIPTS): New.
3869	(pdr_nb_subscripts): Removed.
3870	(pdr_dim): Simplified.
3871	* graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3872	with PDR_NB_SUBSCRIPTS.
3873
38742009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876	* graphite-interchange.c (compute_array_size): Remove use of
3877	PDR_DATA_CONTAINER.
3878	* graphite-poly.c (new_poly_dr): Remove argument data_container.
3879	Do not initialize PDR_DATA_CONTAINER.
3880	(print_pdr): Do not print PDR_DATA_CONTAINER.
3881	* graphite-poly.h (struct poly_dr): Remove data_container field.
3882	(PDR_DATA_CONTAINER): Removed.
3883	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3884	PDR_DATA_CONTAINER.
3885	(build_poly_dr): Same.
3886
38872009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889	* gcc.dg/graphite/interchange-9.c: New.
3890
38912009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3892	    Sebastian Pop  <sebastian.pop@amd.com>
3893
3894	* graphite-dependences.c (graphite_legal_transform_dr): Work on a
3895	copy of the dependence polyhedron.  Free the temporary objects.
3896	(graphite_carried_dependence_level_k): Free unused objects before
3897	returning.
3898
3899	* gcc.dg/graphite/interchange-1.c: XFAILed.
3900	* gcc.dg/graphite/interchange-2.c: XFAILed.
3901	* gcc.dg/graphite/interchange-3.c: XFAILed.
3902	* gcc.dg/graphite/interchange-4.c: XFAILed.
3903	* gcc.dg/graphite/interchange-7.c: XFAILed.
3904
39052009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907	* graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3908	Early return without analyzing the data dependences if no
3909	transform has been done.  Call restore_scattering if the transform
3910	is not legal.
3911	(graphite-interchange.c): Same.
3912	* graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3913	(graphite_read_transforms): Initialize PBB_TRANSFORMED.
3914	(apply_poly_transforms): Do not gcc_assert that
3915	the transform is legal.
3916	(new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3917	Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3918	PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3919	(free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3920	* graphite-poly.h (struct poly_scattering): New.
3921	(struct poly_bb): Add original, transformed, and saved fields.
3922	Remove transformed_scattering, original_scattering, nb_local_variables,
3923	and nb_scattering_transform fields.
3924	(PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3925	(poly_scattering_new): New.
3926	(poly_scattering_free): New.
3927	(poly_scattering_copy): New.
3928	(store_scattering_pbb): New.
3929	(store_scattering): New.
3930	(restore_scattering_pbb): New.
3931	(restore_scattering): New.
3932	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3933	Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3934
39352009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3936
3937	* graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3938	(print_scop): Same.
3939
39402009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3941
3942	* Makefile.in (graphite.o): Depends on PREDICT_H.
3943	* graphite.c: Include predict.h.
3944	(graphite_finalize): Call tree_estimate_probability.
3945	* predict.c (predict_loops): Do not call scev_initialize and
3946	scev_finalize.
3947	(tree_estimate_probability_bb): New.
3948	(tree_estimate_probability): Do not initialize loops: move that
3949	code to the driver.  Call tree_estimate_probability_bb.
3950	(tree_estimate_probability_driver): New.
3951	(pass_profile): Use tree_estimate_probability_driver.
3952	* predict.h (tree_estimate_probability): Declared.
3953
39542009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3955
3956	* graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3957	* graphite-dependences.c (graphite_legal_transform): Add time to
3958	TV_GRAPHITE_DATA_DEPS.
3959	(dependency_between_pbbs_p): Same.
3960	* timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3961
39622009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964	* Merge from mainline (r149952:150372).
3965
39662009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968	* ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3969	* graphite-blocking.c: Same.
3970	* graphite-clast-to-gimple.c: Same.
3971	* graphite-dependences.c: Same.
3972	* graphite-poly.c: Same.
3973	* graphite-poly.h: Same.
3974	* graphite-ppl.c: Same.
3975	* graphite-scop-detection.c: Same.
3976	* graphite-sese-to-poly.c: Same.
3977	* graphite.c: Same.
3978
39792009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3980
3981	* graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3982	(remove_simple_copy_phi): New.
3983	(remove_invariant_phi): New.
3984	(simple_copy_phi_p): New.
3985	(reduction_phi_p): New.
3986	(gsi_for_ssa_name_def): New.
3987	(insert_out_of_ssa_copy): New.
3988	(insert_out_of_ssa_copy_on_edge): New.
3989	(create_zero_dim_array): New.
3990	(scalar_close_phi_node_p): New.
3991	(rewrite_close_phi_out_of_ssa): New.
3992	(rewrite_phi_out_of_ssa): New.
3993	(rewrite_reductions_out_of_ssa): New.
3994	(build_poly_scop): Call rewrite_reductions_out_of_ssa.
3995
3996	* gcc.dg/graphite/id-11.c: New.
3997	* gcc.dg/graphite/id-15.c: New.
3998	* gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3999	* gcc.dg/graphite/interchange-2.c: Un-XFAIL.
4000	* gcc.dg/graphite/interchange-3.c: Un-XFAIL.
4001	* gcc.dg/graphite/interchange-4.c: Un-XFAIL.
4002	* gcc.dg/graphite/interchange-7.c: Un-XFAIL.
4003	* gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
4004	* gfortran.dg/graphite/id-13.f: New.
4005	* gfortran.dg/graphite/id-5.f: New.
4006
40072009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4008
4009	* graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
4010	check that nb_reductions_in_loop is zero.
4011	* graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
4012	reduction phi nodes.
4013	(nb_reductions_in_loop): Removed.
4014	(graphite_can_represent_loop): Do not call nb_reductions_in_loop.
4015	* graphite-sese-to-poly.c (phi_node_is_iv): Removed.
4016	(bb_contains_non_iv_scalar_phi_nodes): Removed.
4017	(scop_contains_non_iv_scalar_phi_nodes): Removed.
4018	(build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
4019
40202009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4021
4022	* graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
4023	statements that have an empty iteration domain.
4024	* gfortran.dg/graphite/id-16.f: New.
4025
40262009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4027
4028	* tree-scalar-evolution.c (instantiate_scev_1): Return
4029	chrec_dont_know when the result is not above instantiate_below.
4030	* graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
4031	* graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
4032	the tree has a known scalar evolution.
4033	* gfortran.dg/graphite/id-14.f: New.
4034	* gfortran.dg/graphite/id-15.f: New.
4035
40362009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4037
4038	* sese.c (rename_variables_in_stmt): Pass in an extra parameter
4039	insert_gsi.
4040	(rename_variables): Keep inserting renames after the ones already
4041	inserted.
4042
40432009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4044
4045	* graphite-sese-to-poly.c (compare_bb_depths): New.
4046	(graphite_sort_dominated_info): New.
4047	(build_scop_bbs_1): Call graphite_sort_dominated_info.
4048	(build_scop_scattering): Fix comment.
4049
40502009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
4051
4052	* graphite.c (graphite_finalize): Call print_loops instead of
4053	dump_function_to_file.
4054	* gcc.dg/graphite/graphite.exp: Fix formatting.
4055	* gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
4056	loops generated in the graphite output file.
4057	* gcc.dg/graphite/pr35356-2.c: New.
4058	* gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
4059	* gfortran.dg/graphite/id-12.f: New.
4060
40612009-07-24  Li Feng  <nemokingdom@gmail.com>
4062
4063	* gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
4064	Remove 2 XFAIL.
4065
40662009-07-24  Li Feng  <nemokingdom@gmail.com>
4067	    Tobias Grosser  <grosser@fim.uni-passau.de>
4068
4069	* graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
4070	alias set number build alias in ACCESSES polyhedron.
4071	(build_alias_set_for_drs): New.
4072	(build_pbb_drs): Added build_alias_set_for_drs.
4073	* graphite-dependences.c (poly_drs_may_alias_p): New.
4074	(graphite_carried_dependence_level_k): Check alias information
4075	before building polyhedron.
4076
40772009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4078
4079	* Makefile.in (lambda-code.o): Fix formatting.
4080
40812009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4082
4083	* Merge from mainline (r149350-149952)
4084
40852009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4086
4087	* graphite-poly.c (apply_poly_transforms): Move strip_mine
4088	before interchange to prepare for loop blocking.
4089
40902009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4091
4092	* graphite-poly.c (apply_poly_transforms): Add checks after every
4093	transformation.
4094	* graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
4095	done in apply_poly_transforms.
4096
40972009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
4098
4099	* graphite-dependences.c (build_lexicographically_gt_constraint):
4100	Replace RES parameter with *RES.
4101	(dependence_polyhedron_1): Pass an address of the parameter RES
4102	instead of value of RES.
4103
41042009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4105
4106	* graphite.c (graphite_finalize): Fix comment.
4107	(graphite_transform_loops): Reset scev info after code generation
4108	of each scop.
4109
41102009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4111
4112	* graphite.c (graphite_finalize): Call scev_reset.
4113
41142009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4115
4116	* graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
4117	GBB_CLOOG_IV_TYPES hash table twice.
4118	* graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
4119	(add_condition_to_domain): Clear GMP values.
4120
41212009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4122
4123	* graphite-dependences.c: Fix formatting.
4124	* graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
4125	(pbb_number_of_iterations): Free ppl_Linear_Expression.
4126	* graphite-sese-to-poly.c: Fix formatting.
4127	* graphite.c (graphite_transform_loops): Create the hash table
4128	after the early return.
4129
41302009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132	* gcc.dg/graphite/id-14.c: New.
4133	* gcc.dg/graphite/pr40157.c: New.
4134	* gfortran.dg/graphite/id-11.f: New.
4135
41362009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4137
4138	* graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
4139	(build_poly_scop): Return false when there are no pbbs within
4140	loops to avoid to pass to cloog scops with no loops.
4141
41422009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4143
4144	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
4145	useless test "i % 2".
4146	(build_pbb_scattering_polyhedrons): Fix formatting.
4147	(build_poly_dr): Same.
4148	* graphite.c (graphite_transform_loops): Restructure.
4149
41502009-07-14  Razya Ladelsky  <razya@il.ibm.com>
4151
4152	* tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
4153	reduction_list parameter.
4154	(rewrite_all_phi_nodes_with_iv): Same.
4155	(canonicalize_loop_ivs): Same.
4156	* tree-parloops.c (struct brli): Removed.
4157	(build_reduction_list_info): Removed.
4158	(build_new_reduction): New.
4159	(analyze_reduction_list): Removed.
4160	(gather_scalar_reductions): Find reductions instead of phi
4161	nodes that can't be canonicalized.
4162	(try_create_reduction_list): Remove reduction_list parameter.
4163	(gen_parallel_loop): Same.
4164	(parallelize_loops): Remove analyze_reductions variable,
4165	initialization and free.
4166	Change reduction_list htab initialization to reduction_info
4167	elements instead of ssa names.
4168	Call try_create_reduction_list and gen_parallel_loop without
4169	analyzed_reduction argument.
4170	* graphite-clast-to-gimple (graphite_loop_normal_form): Call
4171	canonicalize_loop_ivs with one less argument.
4172	* tree-flow.h (canonicalize_loop_ivs): Remove one argument.
4173
41742009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4175
4176	* graphite-dependences.c (new_poly_dr_pair): New.
4177	(dependence_polyhedron): Renamed into dependence_polyhedron_1.
4178	(new_poly_dr_pair): New.
4179	(eq_poly_dr_pair_p): New.
4180	(hash_poly_dr_pair_p): New.
4181	* graphite-dependences.h (struct poly_dr_pair): New.
4182	(eq_poly_dr_pair_p): Declared.
4183	(hash_poly_dr_pair_p): Declared.
4184	* graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
4185	(free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
4186	* graphite-poly.h (struct scop): Add original_pdr_pairs field.
4187	* Makefile.in (graphite-poly.o): Add dependence on
4188	graphite-dependences.h.
4189
41902009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4191
4192	* graphite-scop-detection.c (graphite_can_represent_scev): Do not let
4193	polynomials of degree > 1 pass to Graphite.
4194	* tree-chrec.c (scev_is_linear_expression): Call
4195	evolution_function_is_affine_multivariate_p.
4196	* gfortran.dg/graphite/id-10.f90: New.
4197
41982009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4199
4200	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
4201	Instantiate scevs varying in outer loops.
4202	* gfortran.dg/graphite/id-9.f: Correct testcase.
4203
42042009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4205
4206	* graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
4207	redundant constraint.
4208
42092009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211	* gcc.dg/graphite/graphite.exp: Fix comments.
4212	* gfortran.dg/graphite/graphite.exp: Trigger actions
4213	based on the file names as in the C testsuite.
4214	* gfortran.dg/graphite/block-1.f90: Fix patterns.
4215	* gfortran.dg/graphite/block-2.f: Same.
4216	* gfortran.dg/graphite/block-3.f90: Same.
4217	* gfortran.dg/graphite/block-4.f90: Same.
4218	* gfortran.dg/graphite/id-1.f90: Same.
4219	* gfortran.dg/graphite/id-2.f90: Same.
4220	* gfortran.dg/graphite/id-3.f90: Same.
4221	* gfortran.dg/graphite/id-4.f90: Same.
4222	* gfortran.dg/graphite/id-6.f: Same.
4223	* gfortran.dg/graphite/id-9.f: Same.
4224	* gfortran.dg/graphite/interchange-1.f: Same.
4225	* gfortran.dg/graphite/interchange-2.f: Same.
4226	* gfortran.dg/graphite/scop-1.f: Same.
4227
42282009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4229
4230	* sese.c (expand_scalar_variables_call): New.
4231	(expand_scalar_variables_ssa_name): Handle calls in expander.
4232
42332009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235	* gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
4236	Expect to see the pattern twice.
4237	* gcc.dg/graphite/interchange-0.c: Un-XFAIL.
4238	* gcc.dg/graphite/interchange-5.c: Same.
4239	* gcc.dg/graphite/interchange-6.c: Same.
4240
42412009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4242
4243	* gcc.dg/graphite/id-10.c: New.
4244	* gcc.dg/graphite/id-12.c: New.
4245	* gfortran.dg/graphite/id-7.f: New.
4246	* gfortran.dg/graphite/id-8.f: New.
4247
42482009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4249
4250	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
4251	zero.
4252
42532009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4254
4255	* sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
4256
42572009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4258
4259	* sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
4260
42612009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4262
4263	* graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
4264	building PDR subscripts.
4265
42662009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4267
4268	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
4269	computation of array sizes.
4270
42712009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4272
4273	* graphite-sese-to-poly.c (add_param_constraints): Disabled.
4274
42752009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4276
4277	* graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
4278	build_pairwise_constraint, dr_equality_constraints,
4279	build_pairwise_scheduling_equality,
4280	build_pairwise_scheduling_inequality, lexicographically_gt_p,
4281	build_lexicographically_gt_constraint, dependence_polyhedron,
4282	graphite_legal_transform_dr, graphite_carried_dependence_level_k):
4283	Move from NNC_Polyhedron to C_Polyhedron.
4284	* graphite-interchange.c (compute_array_size_poly,
4285	gather_access_strides): Dito.
4286	* graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
4287	free_scop, pbb_number_of_iterations): Dito.
4288	* graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
4289	pbb_dim_iter_domain, struct scop): Dito.
4290	* graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
4291	new_Cloog_Domain_from_ppl_Polyhedron,
4292	new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
4293	ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
4294	ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
4295	ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
4296	debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
4297	* graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
4298	new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
4299	debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
4300	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
4301	build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
4302	add_condition_to_domain, add_condition_to_pbb, build_scop_context,
4303	build_scop_iteration_domain, build_poly_dr): Dito
4304
43052009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4306
4307	* gcc.dg/graphite/graphite.exp: Added a rule to execute
4308	run-id-*.c files.
4309	* gcc.dg/graphite/run-id-1.c: New.
4310
43112009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313	* graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
4314	positivity constraint on the symbolic number of iterations.
4315
43162009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318	* graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
4319
43202009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4321	    Tobias Grosser  <grosser@fim.uni-passau.de>
4322
4323	* graphite-clast-to-gimple.c (build_scop_context): Removed.
4324	(build_cloog_prog): Directly use SCOP_CONTEXT.
4325	* graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
4326	(free_scop): Free SCOP_CONTEXT.
4327	(print_scop_context): New.
4328	(print_scop): Call print_scop_context.
4329	(debug_scop_context): New.
4330	* graphite-poly.h (print_scop_context, debug_scop_context): Declared.
4331	(struct scop): Added field context.
4332	(SCOP_CONTEXT): New.
4333	* graphite-sese-to-poly.c (add_param_constraints): New.
4334	(build_scop_context): New.
4335	(build_poly_scop): Call build_scop_context.
4336
43372009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4338
4339	* graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
4340	* graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
4341	(ppl_set_inhomogeneous, ppl_set_coef): Moved...
4342	* graphite-ppl.h: Include double-int.h and tree.h.
4343	(ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
4344	(ppl_set_inhomogeneous, ppl_set_coef): ...here.
4345	(gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4346	(tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4347
43482009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350	* graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4351	POINTER_PLUS_EXPR for pointer types.
4352	(clast_to_gcc_expression): Same.
4353
43542009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4355
4356	* graphite-poly.c (print_scattering_function): Early return when
4357	PBB_TRANSFORMED_SCATTERING is not initialized.
4358	(print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4359
43602009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4361
4362	* tree-parloops.c (analyze_reduction_list): Remove unused variable
4363	to fix bootstrap.
4364
43652009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4366
4367	* tree-parloops.c (analyze_reduction_list): Change return
4368	value to void.
4369	(try_create_reduction_list): Move the call to
4370	analyze_reduction_list to the beginining.
4371	Call reduction_phi with analyzed_reductions as argument
4372	instead of reduction_list.
4373
43742009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4375
4376	*  Merge from mainline (r148296:149346)
4377
43782009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380	* graphite-scop-detection.c (graphite_can_represent_init): New.
4381	(graphite_can_represent_scev): Call graphite_can_represent_init:
4382	check that the initial value does not contain multiplications of
4383	parameters.
4384	(stmt_has_simple_data_refs_p): New.
4385	(stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4386	(is_simple_operand): Fix formatting.
4387	* graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4388
43892009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4390
4391	* gcc.dg/graphite/id-13.c: New.
4392	* graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4393	analyze_scalar_evolution, use scalar_evolution_in_region.
4394	(scan_tree_for_params_right_scev): Add extra assert.
4395	(parameter_index_in_region_1): Split from parameter_index_in_region.
4396	(idx_record_params): Use scalar_evolution_in_region.
4397	(find_params_in_bb): Same.
4398	(find_scop_parameters): Same.
4399	(build_loop_iteration_domains): Same.
4400	(create_linear_expr_from_tree): Same.
4401	* sese.c (scalar_evolution_in_region): New.
4402	* sese.h (scalar_evolution_in_region): Declared.
4403	(defined_in_sese_p): New.
4404	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4405	static anymore.
4406	* tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4407	Declared.
4408
44092009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4410
4411	* Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4412	TREE_DATA_REF_H also implies SCEV_H.
4413
44142009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4415
4416	* graphite-poly.c (print_scop_params): New.
4417	(print_scop): Call print_scop_params.
4418	(debug_scop_params): New.
4419	* graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4420
44212009-07-07  Li Feng  <nemokingdom@gmail.com>
4422
4423	* gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4424	* gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4425	* gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4426	* gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4427	* gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4428	* gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4429
44302009-07-07  Li Feng  <nemokingdom@gmail.com>
4431
4432	* graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4433	for dependency checking part.
4434	* gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4435	tests for dependency checking.
4436	* gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4437	* gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4438	* gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4439	flag -fdump-tree-graphite-all for autopar testsuites.
4440
44412009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4442
4443	* Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4444	* tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4445	canonicalize_loop_ivs): Moved...
4446	* tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4447
44482009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4449
4450	* tree-parloops.c (try_create_reduction_list): Pass an extra
4451	argument analyzed_reductions.  Call analyze_reduction_list.
4452	(gen_parallel_loop): Do not call analyze_reduction_list.
4453	(parallelize_loops): Init and finalize analyzed_reductions.
4454
44552009-07-06  Li Feng  <nemokingdom@gmail.com>
4456
4457	* gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4458	Added flag -fno-loop-strip-mine for autopar testcase.
4459
44602009-07-04  Li Feng  <nemokingdom@gmail.com>
4461
4462	* graphite-dependences.c (graphite_carried_dependence_level_k): Use
4463	transformed scattering dimension instead of unmatch orignal when
4464	calling dependence_polyhedron.
4465
44662009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468	* opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4469
44702009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4471
4472	* graphite-poly.c (pbb_number_of_iterations): Check for returned
4473	value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4474
44752009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4476
4477	* graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4478	(pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4479	* graphite-poly.c (pbb_number_of_iterations): New.
4480	* graphite-poly.h (pbb_number_of_iterations): Declared.
4481	(pbb_iterator_dim, pbb_parameter_dim): New.
4482
44832009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485	* graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4486	last commit on type of lower and upper bound of loops.
4487
44882009-06-29  Li Feng  <nemokingdom@gmail.com>
4489
4490	* Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4491	graphite-dependences.h.
4492	* graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4493	(mark_bb_with_pbb): New.
4494	(get_stmtfor_depth): New.
4495	(find_pbb_via_hash): New.
4496	(dependency_in_loop_p): New.
4497	(mark_loops_parallel): New.
4498	(free_aux_in_new_loops): New.
4499	(translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4500	bb with it's relevant pbb. Mark newly created loops.  Remove mark
4501	innermost loop parallel without checking.
4502	(gloog): Add parameter BB_PBB_MAPPING.
4503	* graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4504	(gloog): Change declaration.
4505	(mark_loop_parallel): Make extern.
4506	(free_aux_in_new_loops): Declare.
4507	(bb_pbb_map_hash): New.
4508	(eq_bb_pbb_map): New.
4509	* graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4510	auto parallelization when flag_graphite_force_parallel is set.
4511	(graphite_finalize): Added free_aux_in_new_loops.
4512	* tree-parloops.c (parallelize_loops): Only generate parallel code for
4513	the innermost loop that marked parallel.  Use
4514	flag_graphite_force_parallel instead of loop->can_be_parallel.
4515	(loop_parallel_p): Move inner most checking out of function.
4516
45172009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4518
4519	* graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4520	type of lower and upper bound of loops signed long int.
4521
45222009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4523
4524	* cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4525	expression outside the loop.
4526
45272009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4528
4529	* gcc.dg/graphite/interchange-8.c: New.
4530
45312009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4532
4533	* gcc.dg/graphite/interchange-0.c: XFailed.
4534	* gcc.dg/graphite/interchange-5.c: XFailed.
4535	* gcc.dg/graphite/interchange-6.c: XFailed.
4536
45372009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4538
4539	* graphite-interchange.c (compute_array_size_poly): The end of the
4540	recursion should return 1.
4541
45422009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4543
4544	* graphite-interchange.c (compute_array_size_cstr): Allow the
4545	subscript multiplier to be -1.
4546	(compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4547	* graphite-poly.c (new_poly_dr): Takes an extra argument for the
4548	data_container.  Initializes PDR_DATA_CONTAINER.
4549	(print_pdr_access_layout): New.
4550	(print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4551	* graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4552	data_container.
4553	(PDR_DATA_CONTAINER): New.
4554	(new_poly_dr): Update declaration.
4555	* graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4556	(build_poly_dr): Call pdr_add_data_dimensions.
4557
45582009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4559
4560	* graphite-poly.h (struct poly_dr): Fix comment.
4561	* graphite-sese-to-poly.c (pdr_add_alias_set): New.
4562	(pdr_add_memory_accesses): New.
4563	(build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4564
45652009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4566
4567	* graphite-poly.c (print_pdrs, debug_pdrs): New.
4568	(print_pbb): Add call to print_pdrs.
4569	* graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4570
45712009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4572	    Li Feng <nemokingdom@gmail.com>
4573
4574	* graphite-dependences.c (graphite_carried_dependence_level_k): New.
4575	(dependency_between_pbbs_p): New.
4576	(lexicographically_gt_p): Assure !empty_p before polyhedron
4577	intersection assign.
4578	(build_lexicographically_gt_constraint): Correct lexicographically
4579	judging.
4580	* graphite-dependences.h: New.
4581	* Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4582
45832009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4584
4585	* graphite-clast-to-gimple.c (print_clast_stmt): New.
4586	(gloog): Print to dump_file the generated clast.
4587	* graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4588	* graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4589
45902009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4591
4592	* graphite-poly.c (extend_scattering): Increment
4593	PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4594
45952009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597	* graphite-interchange.c (compute_array_size_poly): Added exit of
4598	recursion condition.  Continue iterating even after the first equality.
4599	(compute_array_size): Same.
4600
46012009-06-24  Li Feng  <nemokingdom@gmail.com>
4602
4603	* gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4604	-fdump-tree-final_cleanup to -fdump-tree-optimized.
4605	* gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4606	* gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4607	* gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4608
46092009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4610
4611	* sese.c (expand_scalar_variables_stmt): Expand scalar variables
4612	only when the use verifies is_gimple_reg.
4613
46142009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4615
4616	* graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4617	Allocate scaldims after call to unify_scattering_dimensions.
4618
46192009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4620
4621	* graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4622
46232009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4624	    Albert Cohen  <albert.cohen@inria.fr>
4625
4626	* graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4627	variables for the strip mining.
4628
46292009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4630	    Pranav Garg  <pranav.garg2107@gmail.com>
4631
4632	* Makefile.in (OBJS-common): Added graphite-blocking.o.
4633	(graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4634	(graphite-blocking.o): New rule.
4635	(graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4636	* graphite-blocking.c: New.
4637	* graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4638	flag_loop_strip_mine.
4639	(psct_scattering_dim_for_loop_depth): New.
4640	* graphite-poly.h (scop_do_strip_mine): Declared.
4641	(psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4642	* tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4643	flag_loop_strip_mine.
4644
46452009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4646
4647	* graphite-poly.c (extend_scattering): Avoid initializing and freeing
4648	a GMP value and a PPL coefficient at each iteration of a loop.
4649
46502009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652	* graphite-dependences.c (dependence_polyhedron): Do not use
4653	pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4654	pbb_nb_scattering_transform.
4655	(graphite_legal_transform_dr): Same.
4656	* graphite-poly.c (extend_scattering): Same.
4657	(unify_scattering_dimensions): Same.
4658	(print_scattering_function): Same.
4659	(new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4660	PBB_NB_LOCAL_VARIABLES.
4661	* graphite-poly.h (pbb_nb_scattering): Removed declaration.
4662	(struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4663	(PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4664	(pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4665	(pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4666	(pbb_nb_scattering_transform): New.
4667	(pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4668	(psco_scattering_dim): Add assert on parameters.
4669	(psct_scattering_dim): Same.
4670	(psct_scattering_dim_for_loop_depth): Declared.
4671	(psct_local_var_dim): New.
4672	(psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4673	(psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4674	correct layout, call pbb_nb_local_vars.
4675	(psct_add_local_variable, psct_add_scattering_dimension): New.
4676	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4677	Initialize PBB_NB_SCATTERING_TRANSFORM.
4678
46792009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4680
4681	* graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4682	(set_coef): Renamed ppl_set_coef.
4683	* graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4684
46852009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4686
4687	* graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4688	test a boolean against 1.
4689	* graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4690	a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4691	(pbb_do_interchange): Returns true when a transform has been performed.
4692	(scop_do_interchange): Same.
4693	* graphite-poly.c (apply_poly_transforms): Use the return value of
4694	scop_do_interchange.
4695	* graphite-poly.h (scop_do_interchange): Update declaration.
4696
46972009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4698
4699	* graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4700	after last use.
4701	* sese.c (sese_reset_aux_in_loops): New.
4702	* sese.h (sese_reset_aux_in_loops): New.
4703
47042009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4705
4706	* graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4707	multiplier and multiply the constant by the multiplier.
4708	(scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4709	(build_poly_dr): Do not use the multiplier to define the subscript.
4710
47112009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4712
4713	* graphite-poly.c (new_poly_dr): Pass an extra argument for the
4714	compiler's data reference.  Initialize PDR_CDR.
4715	(print_pdr): Call dump_data_reference.
4716	* graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4717	Add compiler_dr field.
4718	(PDR_BB): Renamed PDR_PBB.
4719	(PDR_CDR): New.
4720	* graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4721	GCC's data reference representation.
4722	* tree-data-ref.c (debug_data_references, debug_data_reference): New.
4723	* tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4724
47252009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4726
4727	* graphite-poly.c (print_scattering_function): Also print the layout.
4728	* graphite-poly.h (pbb_nb_local_vars): New.
4729
47302009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4731
4732	* graphite-poly.c (print_pbb_domain): Also print the layout names.
4733
47342009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4735
4736	* graphite-poly.c (print_pdr, debug_pdr): New.
4737	* graphite-poly.h (print_pdr, debug_pdr): Declared.
4738	(PDR_BASE): Removed.
4739
47402009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4741
4742	* gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4743	ltrans-{1..6,8}.c.
4744
47452009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747	* graphite-interchange.c (compute_subscript): Allow also -1 in the
4748	subscript identification column.
4749	(pbb_do_interchange): Print to dump_file that some loops "will be
4750	interchanged".  Rely on that chain of characters in the testcases.
4751	* gcc.dg/graphite/interchange-0.c: New.
4752	* gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4753	interchange-*.c files and compile them with -floop-interchange.
4754
47552009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4756
4757	* graphite-interchange.c (interchange_profitable_p): Renamed
4758	pbb_interchange_profitable_p.
4759
47602009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4761	    Harsha Jagasia  <harsha.jagasia@amd.com>
4762	    Pranav Garg  <pranav.garg2107@gmail.com>
4763
4764	* graphite-interchange.c (interchange_profitable_p): Make static.
4765	(pbb_interchange_loop_depths, pbb_do_interchange,
4766	scop_do_interchange): New.
4767	* graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4768	for flag_loop_interchange.
4769	* graphite-poly.h (scop_do_interchange): Declared.
4770	* tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4771	flag_loop_interchange is used.
4772
47732009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4774
4775	* graphite-dependences.c (dependence_polyhedron): Update use of
4776	pbb_nb_scattering_dims.
4777	* graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4778	(pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4779	(psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4780	psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4781
47822009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4783
4784	* graphite.c: Cleanup foo.
4785
47862009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4787
4788	* Merge from mainline (r143684:148293).
4789	* Disabled libpcp until it gets fixed.
4790
47912009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4792	    Harsha Jagasia  <harsha.jagasia@amd.com>
4793
4794	* graphite-interchange.c: New.
4795	* Makefile.in (graphite-interchange.o): New.
4796	* graphite-poly.h (interchange_profitable_p): Declared.
4797	* graphite-ppl.h (value_max): New.
4798
47992009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801	* graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4802	* graphite-poly.h: Fix some comments.
4803	(pdr_dim): New.
4804	(pdr_scop): New.
4805
48062009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4807
4808	* graphite-poly.h
4809	(pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4810	(pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4811	(pdr_accessp_nb_params): Renamed pdr_nb_params.
4812	(pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4813	(pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4814	(pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4815	(pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4816	(pbb_nb_loops): Renamed pbb_dim_iter_domain.
4817	* graphite-clast-to-gimple.c: Same.
4818	* graphite-dependences.c: Same.
4819	* graphite-poly.c: Same.
4820	* graphite-sese-to-poly.c: Same.
4821
48222009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4823
4824	* graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4825	expressions for an IV rename, as returned by clast_to_gcc_expression.
4826	(copy_renames): Rename new_name to expr.
4827	* sese.c (debug_rename_elt): Same.
4828	(get_rename): Same.
4829	(set_rename): Same.
4830	(sese_adjust_liveout_phis): Call force_gimple_operand before using
4831	the information from the rename map.
4832	(rename_variables_in_stmt): Same.
4833	(add_loop_exit_phis): Rename new_name to expr.
4834	(insert_loop_close_phis): Same.
4835	(add_guard_exit_phis): Same.  Call force_gimple_operand.
4836	* sese.h (struct rename_map_elt): Rename new_name to expr.
4837	(new_rename_map_elt): Same.
4838
48392009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4840
4841	* graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4842	* sese.c (set_rename): Make it extern.
4843	* sese.h (set_rename): Declared.
4844
48452009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4846
4847	* graphite-poly.c (extend_scattering): Free values.
4848	* graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4849	Free iterators.
4850	(ppl_print_powerset_matrix): Same.
4851	* graphite-scop-detection.c (free_scops_1): New.
4852	(limit_scops): Call free_scops_1.
4853	* graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4854	(build_poly_dr): Free PPL coefficients.
4855	* tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4856
48572009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4858
4859	* graphite-dependences.c: New.
4860	* graphite-data-ref.c: Removed.
4861	* graphite-data-ref.h: Removed.
4862	* Makefile.in (graphite-data-ref.o): Removed.
4863	(graphite-dependences.o): Added.
4864	* graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4865	* graphite-poly.c: Same.
4866	Move the data dependence testing to graphite-dependences.c.
4867
48682009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4869
4870	* graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4871	from graphite_cannot_represent_loop. Code refactored.
4872	(scopdet_basic_block_info): Call graphite_can_represent_loop.
4873
48742009-05-17  Li Feng  <nemokingdom@gmail.com>
4875
4876	* gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4877	Cover all the testcases (not only the filtered ones).
4878
48792009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4880
4881	* graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4882	unnecessary check. Update comments. Move check for REAL_TYPE here.
4883	(harmful_stmt_in_bb): Remove checks for conditions. This is already
4884	done in (stmt_simple_for_scop_p).
4885
48862009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4887
4888	* graphite.c (print_global_statistics): New.
4889	(print_graphite_scop_statistic): New.
4890	(print_graphite_statistics): New.
4891	(graphite_initialize, graphite_transform_loops): Print statistics.
4892	* graphite-scop-detection (build_scops): Print statistics.
4893	(print_graphite_scop_statistics): New.
4894	(print_graphite_statistics): New.
4895
48962009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4897
4898	* graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4899	(debug_clast_name_index): Removed.
4900	(debug_clast_name_indexes_1): Removed.
4901	(debug_clast_name_indexes): Removed.
4902	(clast_name_index_elt_info): Removed.
4903	(eq_clast_name_indexes): Removed.
4904	(clast_name_to_index): Removed.
4905	(new_clast_name_index): Removed.
4906	(save_clast_name_index): Removed.
4907	(save_var_name): Moved...
4908	(init_sese_params_index): Removed.
4909	(clast_name_to_gcc): Remove use of name_tree.
4910	(initialize_cloog_names): Same.
4911	(gloog): Do not call init_sese_params_index.
4912	* graphite-sese-to-poly.c (save_var_name): ...here.
4913	(parameter_index_in_region): New.
4914	* sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4915	(parameter_index_in_region): Removed.
4916	(is_parameter): Remove use of name_tree.
4917	* sese.h (struct name_tree): Removed.
4918	(struct sese): Remove use of name_tree.  New field params_names.
4919	(SESE_PARAMS_NAMES): New.
4920	(SESE_PARAMS): Remove duplicate.
4921	(parameter_index_in_region): Removed.
4922	(sese_nb_params): Remove use of name_tree.
4923	(struct clast_name_index): New.
4924	(new_clast_name_index): New.
4925	(clast_name_to_index): New.
4926	(save_clast_name_index): New.
4927	(debug_clast_name_index): New.
4928	(debug_clast_name_indexes_1): New.
4929	(debug_clast_name_indexes): New.
4930	(clast_name_index_elt_info): New.
4931	(eq_clast_name_indexes): New.
4932
49332009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4934
4935	* graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4936	pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4937	(graphite_loop_normal_form): Do not pass region.  Do not
4938	initialize SESE_OLDIVS.
4939	(build_graphite_loop_normal_form): Update call to
4940	graphite_loop_normal_form.
4941	* sese.c (debug_oldivs): Removed.
4942	(new_sese): Do not initialize SESE_OLDIVS.
4943	(free_sese): Do not free SESE_OLDIVS.
4944	(oldiv_for_loop): Removed.
4945	* sese.h (struct sese): Remove old_ivs.
4946	(SESE_OLDIVS): Removed.
4947	(oldiv_for_loop): Removed.
4948
49492009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951	* graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4952	remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4953	replaced by a call to newivs_to_depth_to_newiv.
4954	(clast_to_gcc_expression): Pass newivs, remove ivstack.
4955	(clast_to_gcc_expression_red): Same.
4956	(gcc_type_for_clast_expr): Same.
4957	(gcc_type_for_clast_eq): Same.
4958	(graphite_translate_clast_equation): Same.
4959	(graphite_create_guard_cond_expr): Same.
4960	(graphite_create_new_guard): Same.
4961	(graphite_create_new_loop): Same.
4962	(build_iv_mapping): Same.
4963	(translate_clast): Same.
4964	(gloog): Same.
4965	(loop_iv_stack_patch_for_consts): Removed.  *
4966	sese.c (iv_stack_entry_is_constant): Removed.
4967	(iv_stack_entry_is_iv): Removed.
4968	(loop_iv_stack_push_iv): Removed.
4969	(loop_iv_stack_insert_constant): Removed.
4970	(loop_iv_stack_pop): Removed.
4971	(loop_iv_stack_get_iv): Removed.
4972	(loop_iv_stack_get_iv_from_name): Removed.
4973	(debug_loop_iv_stack): Removed.
4974	(free_loop_iv_stack): Removed.
4975	(loop_iv_stack_remove_constants): Removed.  *
4976	sese.h (iv_stack_entry_kind): Removed.
4977	(iv_stack_entry_data_union): Removed.
4978	(iv_stack_entry_struct): Removed.
4979	(iv_stack_entry_p): Removed.
4980	(debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4981	loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4982	loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4983	loop_iv_stack_pop, free_loop_iv_stack): Removed.
4984	(gbb_loop_at_index): Fix indenting.
4985	(gbb_loop_index): Removed.
4986
49872009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4988
4989	* graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4990	Call clast_name_to_index.
4991
49922009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4993
4994	* graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4995	do not pass params.  Get params from SESE_PARAMS.
4996	(clast_to_gcc_expression): Same.
4997	(clast_to_gcc_expression_red): Same.
4998	(gcc_type_for_clast_eq): Same.
4999	(graphite_translate_clast_equation): Same.
5000	(graphite_create_new_loop): Same.
5001	* sese.c (rename_variables_in_stmt): Fix comment.
5002
50032009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5004
5005	* graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
5006	newivs_index.
5007	Call save_clast_name_index.
5008	(translate_clast): Pass newivs_index.
5009	(gloog): Create and free newivs_index.
5010
50112009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5012
5013	* graphite-clast-to-gimple.c (clast_name_index): New structure.
5014	(clast_name_index_p): New type.
5015	(debug_clast_name_index): New.
5016	(debug_clast_name_indexes_1): New.
5017	(debug_clast_name_indexes): New.
5018	(clast_name_index_elt_info): New.
5019	(eq_clast_name_indexes): New.
5020	(clast_name_to_index): New.
5021	(new_clast_name_index): New.
5022	(save_clast_name_index): New.
5023	(init_sese_params_index): New.
5024	(gloog): Call init_sese_params_index.
5025	* graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
5026	* sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
5027	(free_sese): Free SESE_PARAMS_INDEX.
5028	* sese.h (struct sese): Add params_index.
5029	(SESE_PARAMS_INDEX): New.
5030
50312009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5032
5033	* graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
5034	(graphite_create_new_loop): Pass the newivs vector.  Push the
5035	newly created IV to newivs.
5036	(translate_clast): Pass the newivs vector.
5037	(gloog): Create and destroy the newivs vector.
5038
50392009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
5040
5041	* graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
5042	(graphite_loop_normal_form): Initialize loop->aux with the unique
5043	IV that has been created.
5044
50452009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
5046
5047	* tree-chrec.c (evolution_function_right_is_integer_cst): Allow
5048	scev with parameters in the base part. They where forbidden
5049	exidently.
5050
50512009-05-11  Li Feng  <nemokingdom@gmail.com>
5052
5053	* gcc.dg/graphite/graphite.exp: Set different default
5054	compile options by file names.
5055	* gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
5056	* gcc.dg/graphite/id-{1-9}.c: Ditto.
5057	* gcc.dg/graphite/scop-{0-20}.c: Ditto.
5058	* gcc.dg/graphite/scop-matmult.c: Ditto.
5059
50602009-05-08  Li Feng <nemokingdom@gmail.com>
5061
5062	* gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
5063	* gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
5064	* gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
5065	* gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
5066
50672009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5068
5069	* graphite-scop-detection (build_scops_1): Fix little bug introduced
5070	by final cleanup.
5071
50722009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5073
5074	* graphite-scop-detection.c (graphite_can_represent_scev): Only
5075	allow integer constant strides.
5076	(graphite_can_represent_expr): Depend on outermost_loop.
5077	(stmt_simple_memref_p, graphite_cannot_represent_loop,
5078	harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
5079	build_scops_1): Same.
5080	(scopdet_basic_block_info): Same and insert layered SCoP
5081	detection.
5082	(try_generate_gimple_bb): Cleanup.
5083	(build_scops): Enable data references.
5084
5085	* gcc.dg/graphite/id-5.c: New.
5086	* gcc.dg/graphite/id-9.c: New.
5087	* tree-chrec.c (evolution_function_right_is_integer_cst): New.
5088	* tree-chrec.h (evolution_function_right_is_integer_cst): New.
5089
50902009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5091
5092	* sese.c (expand_scalar_variables_ssa_name): Only build expressions,
5093	that we have not yet built for this SCoP.
5094
50952009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5096
5097	* sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
5098	for complex numbers.
5099
51002009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5101
5102	* graphite-ppl.c: Fix build if cloog is not available.
5103
51042009-05-04  Li Feng  <nemokingdom@gmail.com>
5105
5106	* tree-parloops.c (loop_parallel_p): Remove construction of
5107	NITER and REDUCTION_LIST.
5108	(try_get_loop_niter): New.
5109	(try_create_reduction_list): New.
5110	(parallelize_loops): Bypass the failed checkings in autopar
5111	when can_be_parallel in loop structure is set to true.
5112
51132009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5114
5115	* gcc.dg/graphite/id-6.c: Update testcase.
5116	* gcc.dg/graphite/scop-3.c: Dito.
5117
51182009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5119
5120	* graphite-scop-detection.c (stmt_simple_for_scop_p):
5121	Enable EQ_EXPR and NE_EXPR again.
5122
51232009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5124
5125	* graphite-scop-detection.c (graphite_can_represent_scev):
5126	Add check if scev is affine multivariate.
5127	(harmful_stmt_in_bb): Check if we can represent the conditions.
5128	(scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
5129	harmful_stmt_in_bb.
5130	* gcc.dg/graphite/id-7.c: New.
5131
51322009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5133
5134	* graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
5135	Check all bbs in region, not only the bbs that are represented in
5136	GRAPHITE.
5137	(build_poly_scop): Add newline.
5138	* gcc.dg/graphite/id-8.c: New.
5139
51402009-04-30  Li Feng  <nemokingdom@gmail.com>
5141
5142	* cfgloop.c (alloc_loop): Initialize can_be_parallel to false
5143	when loop initialize.
5144	* cfgloop.h (struct loop): Introduce flag can_be_parallel.
5145	* common.opt: Declare flag_graphite_force_parallel.
5146	* graphite-clast-to-gimple.c (translate_clast): Mark the innermost
5147	loop parallel.
5148	* graphite-poly.c (apply_poly_transforms): Introduce
5149	flag_graphite_force_parallel.
5150	* tree-ssa-loop.c (gate_graphite_transforms): ditto.
5151	* toplev.c (process_options): ditto and replace a not correctly
5152	encoded space.
5153
51542009-04-30  Li Feng  <nemokingdom@gmail.com>
5155
5156	* graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
5157	Change the call of gbb_loop_at_index and/or gbb_loop_index due
5158	to the redefinition.
5159	(compute_cloog_iv_types_1): ditto.
5160	(build_iv_mapping): ditto.
5161	* graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
5162	initialization.
5163	(free_gimple_bb): Removed GBB_LOOPS related free part.
5164	(build_bb_loops): Removed.
5165	* sese.h (struct gimple_bb): Removed loops.
5166	(GBB_LOOPS): Removed.
5167	(gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
5168	(gbb_loop_index): ditto.
5169
51702009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5171
5172	* graphite-scop-detection.c (graphite_can_represent_scev): Do not
5173	allow non constant strides.
5174	* gcc.dg/graphite/scop-20.c: New.
5175
51762009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5177
5178	* graphite-scop-detection.c (dot_all_scops): Fix system call
5179	return value warning.
5180	(dot_scop): Same.
5181
51822009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5183
5184	* gcc.dg/graphite/id-6.c: Fix pattern.
5185	* gcc.dg/graphite/scop-3.c: Same.
5186
51872009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5188
5189	* graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
5190	build_pairwise_constraint, dr_equality_constraints,
5191	build_pairwise_scheduling_equality,
5192	build_pairwise_scheduling_inequality, lexicographically_gt_p,
5193	build_lexicographically_gt_constraint, dependence_polyhedron,
5194	graphite_legal_transform_dr, graphite_legal_transform_bb,
5195	graphite_legal_transform): New.
5196	* graphite-poly.h (graphite_legal_transform): Declared.
5197	* graphite-sese-to-poly.c (build_poly_scop): Call to
5198	graphite_legal_transform is disabled for the moment.
5199
52002009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5201
5202	* graphite-poly.h (pbb_nb_scattering_dims): New.
5203	(pbb_nb_scattering): Use it.
5204
52052009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5206
5207	* graphite-ppl.c (ppl_insert_dimensions_pointset): Add
5208	Pointset_Powerset version of ppl_insert_dimensions.
5209	* graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
5210
52112009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5212
5213	* graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
5214
52152009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5216
5217	* graphite-poly.h: Fix comment.
5218
52192009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5220
5221	* graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
5222
52232009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5224
5225	* sese.c (expand_scalar_variables_stmt): Only iterate over the old
5226	statements.
5227
52282009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5229
5230	* graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
5231	(graphite_stmt_p): Represent bbs necessary to build the phi nodes of
5232	conditions.
5233
52342009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
5235
5236	* graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
5237	handle EQ_EXPR and NE_EXPR.
5238
52392009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
5240
5241	* graphite-poly.h (poly_dr): Fix comment.
5242
52432009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5244	    Tobias Grosser  <grosser@fim.uni-passau.de>
5245
5246	* graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
5247	with a zero dimension polyhedron.
5248	(find_scop_parameters): Move the call to scop_set_nb_params here.
5249	(build_loop_iteration_domains): Store in loop->aux the iteration
5250	domain polyhedron.
5251	(build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
5252	by any loop in scop.
5253	(build_poly_scop): Do not call scop_set_nb_params.
5254
52552009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5256	    Tobias Grosser  <grosser@fim.uni-passau.de>
5257
5258	* graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
5259	add_condition_to_domain not GT_EXPR.
5260
52612009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5262
5263	* graphite-ppl.c (debug_ppl_powerset_matrix): New.
5264	* graphite-ppl.h (debug_ppl_powerset_matrix): New.
5265	* graphite-sese-to-poly.c (add_condition_to_pbb): Use
5266	upper_bound_assign to calculate unions.
5267	* gcc.dg/graphite/id-6.c: New.
5268
52692009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5270
5271	* graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
5272	handle abnormal edges.
5273
52742009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5275
5276	* graphite-poly.c (new_poly_dr, free_poly_dr): New.
5277	(free_poly_bb): Also free poly_drs.
5278	* graphite-poly.h (new_poly_dr, free_poly_dr): New.
5279	(poly_dr): Polyhedron to Pointset_Powerset.
5280	(pdr_accessp_nb_subscripts): Same.
5281	* graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
5282	poly_drs.
5283
52842009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5285
5286	* graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
5287	names into more meaningful names.
5288
52892009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5290
5291	* gfortran.dg/graphite/interchange-1.c: New.
5292	* gfortran.dg/graphite/interchange-2.c: New.
5293
52942009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5295
5296	* graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
5297	the reduction_list.
5298	* tree-parloops.c (rewrite_phi_with_iv): New.
5299	(rewrite_all_phi_nodes_with_iv): New.
5300	(canonicalize_loop_ivs): Call them.
5301
53022009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5303
5304	* graphite-sese-to-poly.c (try_generate_gimple_bb): Use
5305	graphite_find_data_references_in_stmt.
5306	* tree-data-ref.c (graphite_find_data_references_in_stmt): New.
5307	* tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
5308
53092009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5310
5311	* sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
5312
53132009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5314
5315	* graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
5316	instead of bb_in_region.
5317	(flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
5318	(build_sese_conditions): Use flag_bb_in_sese.
5319	* sese.c (register_bb_in_sese): Removed.
5320	(new_sese): Remove initialization of SESE_REGION_BBS.
5321	(free_sese): Do not free SESE_REGION_BBS.
5322	* sese.h (struct sese): Remove field region_basic_blocks.
5323	(SESE_REGION_BBS): Removed.
5324	(bb_in_sese_p): Implement in function of bb_in_region.
5325
53262009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5327
5328	* graphite-scop-detection.c (limit_scops): Deal only with single exit
5329	loops.
5330
53312009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5332
5333	* graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
5334	and EQ_EXPR.
5335	* graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
5336	(add_condition_to_domain): New.
5337	(add_condition_to_pbb): New.
5338	(add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
5339	* gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
5340
53412009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5342
5343	* graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
5344	ppl_Pointset_Powerset.
5345	* graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5346	* graphite-poly.h (poly_bb): poly_bb.domain Same.
5347	(pbb_nb_loops): Same.
5348	* graphite-sese-to-poly.c (build_loop_iteration_domains,
5349	add_conditions_to_domain): Same.
5350	* graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5351	(ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5352	ppl_const_Polyhedron_t.
5353	(ppl_print_powerset_matrix): New.
5354	* graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5355	ppl_print_powerset_matrix): New.
5356	(ppl_print_polyhedron_matrix): Updated.
5357
53582009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5359
5360	* tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5361
53622009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5363
5364	* graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5365	(print_iteration_domains, debug_iteration_domain,
5366	debug_iteration_domains): New.
5367	* graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5368	debug_iteration_domains): Declared.
5369	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5370	indenting.
5371
53722009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5373	    Sebastian Pop  <sebastian.pop@amd.com>
5374
5375	* graphite-poly.h (print_iteration_domain): New.
5376	* graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5377	(build_sese_conditions_1, build_sese_conditions_after,
5378	build_sese_conditions_before): New.
5379	(build_sese_conditions): Rewritten.
5380
53812009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5382	    Tobias Grosser  <grosser@fim.uni-passau.de>
5383
5384	Cleanup of code generation liveouts.
5385	* graphite-clast-to-gimple.c (translate_clast): Use a single
5386	rename_map instead of one per translated statement.
5387	Do not use SESE_LIVEOUT_RENAMES.
5388	(graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5389	(gloog): Do not use SESE_LIVEOUT_RENAMES.
5390	* graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5391	phi node of a reduction: when a loop contains a reduction used outside
5392	the loop, there should be a scalar close phi node on the exit block.
5393	* sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5394	SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5395	(free_sese): Do not free them.
5396	(sese_build_liveouts_use): Do not use them.
5397	(sese_build_liveouts_bb): Same.
5398	(sese_build_liveouts): Same.
5399	(sese_insert_phis_for_liveouts): Same.
5400	(sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5401	(defined_in_loop_p): New.
5402	(alive_after_loop): New.
5403	(close_phi_not_yet_inserted_p): New.
5404	(struct alep, alep_p): New.
5405	(add_loop_exit_phis): Remove from the rename_map all the names defined
5406	in the code generated loop.
5407	(insert_loop_close_phis): Traverse the rename_map passed to it.
5408	Don't use SESE_LIVEOUT_RENAMES.
5409	(default_liveout_before_guard): Renamed default_before_guard.
5410	(insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5411	(graphite_copy_stmts_from_block): Do not directly call set_rename.
5412	(register_sese_liveout_renames): Removed.
5413	(copy_bb_and_scalar_dependences): Do not call it.
5414	* sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5415	reduction_list.
5416	(SESE_LIVEOUT): Removed.
5417	(SESE_LIVEOUT_RENAMES): Removed.
5418	(SESE_REDUCTION_LIST): Removed.
5419	(sese_build_liveouts): Removed.
5420	(sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5421	(insert_loop_close_phis): Pass a htab_t instead of a sese.
5422	(insert_guard_phis): Same.
5423	(rename_map_elt): Declare a VEC of them.
5424	* tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5425	trees not pointers to trees.
5426
5427	Rewrite in canonical close SSA form:
5428	* graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5429	(limit_scops): Close the scop after the block containing the close phi
5430	nodes.
5431	(canonicalize_loop_closed_ssa): New.
5432	(canonicalize_loop_closed_ssa_form): New.
5433	(build_scops): Call canonicalize_loop_closed_ssa_form.
5434
5435	* graphite-sese-to-poly.c: Fix typos.
5436
54372009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5438
5439	* graphite-poly.c (print_scattering_function, print_pbb_domain):
5440	Extended.
5441	(dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5442	(print_pbb): Add conditions.
5443
54442009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5445	    Sebastian Pop  <sebastian.pop@amd.com>
5446
5447	* graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5448	* graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5449	(build_scop_bbs_1): New.
5450	(build_scop_bbs): Rewrite.
5451	* sese.h (bb_in_region): New.
5452
54532009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5454
5455	* graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5456	poly_drs vector.
5457	(print_scop): Style.
5458	* graphite-poly.h (poly_bb): Add drs vector.
5459	(PBB_DRS): Add accessor.
5460	* graphite-sese-to-poly.c (build_poly_dr): New.
5461	(build_pbb_drs, build_scop_drs): New.
5462	(build_poly_scop): call build_scop_drs (Disabled at the moment).
5463
54642009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5465
5466	* tree-ssa-loop.c: Include forgotten toplev.h
5467
54682009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5469
5470	* graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5471	* gcc.dg/graphite/pr37883.c: Remove -floop-*
5472	* gcc.dg/graphite/pr37928.c: Same
5473	* gcc.dg/graphite/pr38409.c: Same
5474	* gcc.dg/graphite/pr38498.c: Same
5475	* gcc.dg/graphite/pr38559.c: Same
5476	* gcc.dg/graphite/pr39335.c: Same
5477	* gcc.dg/graphite/pr39335_1.c: Same
5478	* gfortran.dg/graphite/block-2.f: Same
5479	* tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5480	with -floop-*.
5481
54822009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5483
5484	* graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5485	build_access_matrix, build_scop_data_accesses): Remove access function
5486	building. (We get a new version soon).
5487	(build_bb_loops, scan_tree_for_params_right_scev): Update.
5488	* sese.h (nb_loops_around_loop_in_sese): Remove.
5489	(sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5490
54912009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5492	    Sebastian Pop  <sebastian.pop@amd.com>
5493
5494	* graphite-scop-detection.c (struct scopdet_info): Rename last
5495	field to exit.
5496	(scopdet_basic_block_info, build_scops_1): Don't use
5497	CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5498
54992009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5500	    Sebastian Pop  <sebastian.pop@amd.com>
5501
5502	* graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5503	* sese.c (sese_build_liveouts_use): Renamed from
5504	sese_build_livein_liveouts_use. Remove liveins.
5505	(sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5506	Call sese_build_liveouts_use.
5507	(sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5508	Call sese_build_liveouts_bb.
5509	(new_sese, free_sese): Remove liveins.
5510	(sese_add_exit_phis_var): Deleted.
5511	(sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5512	directly.
5513	(graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5514
5515	* sese.h (sese): Remove num_ver and livein.
5516	(SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5517
55182009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5519
5520	* graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5521
55222009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5523
5524	* graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5525	(build_scop_scattering): Do not use compare_prefix_loops any more.
5526	(nb_common_loops): New.
5527
55282009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5529
5530	* sese.c (get_new_name_from_old_name): Renamed get_rename.
5531	(register_old_and_new_names): Renamed set_rename.
5532
55332009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5534
5535	* graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5536	of the decl from the previous commit.
5537
55382009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5539
5540	* graphite-scop-detection.c (dot_scop): New.
5541	* graphite-scop-detection.h (dot_scop): Declared.
5542
55432009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5544
5545	* graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5546
55472009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5548
5549	* cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5550	condition at the end of the loop.
5551	* graphite.c (graphite_initialize, graphite_finalize): Print to
5552	dump_file the compiled function.
5553	* graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5554	of create_empty_loop_on_edge.
5555	(translate_clast): Update the code generation of loops for the new
5556	shape of loops.
5557	* cfgloop.h (create_empty_loop_on_edge): Update declaration.
5558
55592009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5560
5561	Reverted the patch from 2009-03-19.
5562
55632009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5564
5565	* graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5566	poly_drs vector.
5567	(print_scop): Style.
5568	* graphite-poly.h (poly_bb): Add drs vector.
5569	(PBB_DRS): Add accessor.
5570	* graphite-sese-to-poly.c (ref_nb_loops): Remove.
5571	(build_access_matrix_with_af, build_access_matrix,
5572	build_scop_data_accesses): Delete.
5573	(build_poly_dr): New.
5574	(build_pbb_drs, build_scop_drs): New.
5575	(build_poly_scop): call build_scop_drs.
5576
55772009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579	* graphite-scop-detection.c (dot_all_scops_1): Close the table
5580	once per basic block.
5581
55822009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5583
5584	* graphite-scop-detection.c (graphite_can_represent_scev): New.
5585	(graphite_can_represent_expr): Renamed from loop_affine_expr
5586	and enhanced.
5587	(stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5588	(graphite_cannot_represent_loop): Add scop_entry to parameters.
5589	(scopdet_basic_block_info): Actually define entry_block.
5590	(stmt_simple_memref_p): Moved here from ...
5591
5592	* tree-data-ref.c (stmt_simple_memref_p): here.
5593	* tree-data-ref.h (stmt_simple_memref_p): Removed.
5594
55952009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5596
5597	* gcc.dg/graphite/id-4.c: New.
5598
55992009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5600
5601	* sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5602	(register_old_and_new_names): Update the content of the map.
5603	When there was already a rename_map_elt in the map at that
5604	location, free it.
5605	(copy_bb_and_scalar_dependences): Do rename_variables after
5606	expand_scalar_variables.
5607	* graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5608	of the map.  When there was already a rename_map_elt in the
5609	map at that location, free it.
5610	(translate_clast): Pass the rename_map.  Do not initialize and free
5611	a rename_map per stmt_user.
5612	(gloog): Initialize and free one rename_map and pass it to
5613	translate_clast.
5614
56152009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5616
5617	* sese.c (expand_scalar_variables_stmt,
5618	expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5619	parameter.
5620	(expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5621	(expand_scalar_variables): Pass to expand_scalar_variables_stmt
5622	the gimple_stmt_iterator of the statement to be expanded.
5623	* graphite-scop-detection.c (is_simple_operand): Do handle
5624	REALPART_EXPR.
5625
56262009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5627
5628	* graphite-scop-detection.c (is_simple_operand): Do not handle
5629	REALPART_EXPR.
5630	* gcc.dg/graphite/id-2.c: New.
5631
5632	* graphite-sese-to-poly.c (build_bb_loops,
5633	add_value_to_dim, scan_tree_for_params_right_scev,
5634	scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5635	find_params_in_bb, build_loop_iteration_domains,
5636	add_conditions_to_domain): Remove subtract.
5637
56382009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5639
5640	* graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5641	build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5642	pbb_loop_at_index -> gbb_loop_at_index.
5643	* graphite-poly.c (new_poly_bb, new_scop): New accessors.
5644	(debug_loop_vec): Delete.
5645	* graphite-poly.h (poly_bb, scop): Change black_box and region to void
5646	pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5647	(PBB_LOOPS): Removed.
5648	(PBB_BLACK_BOX): Insert cast.
5649	(pbb_set_black_box): New setter.
5650	(pbb_loop_at_index, pbb_loop_index): Removed.
5651	(scop_set_region, scop_set_nb_params): New.
5652	* graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5653	build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5654	(build_poly_scop): Use scop_set_nb_params.
5655	* sese.h (gimple_bb): Add LOOPS.
5656	(GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5657
56582009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5659
5660	Revert previous commit.
5661
56622009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5663
5664	* sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5665	(register_old_and_new_names): Update the content of the map.
5666	When there was already a rename_map_elt in the map at that
5667	location, free it.
5668	(copy_bb_and_scalar_dependences): Do rename_variables after
5669	expand_scalar_variables.
5670	* graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5671	of the map.  When there was already a rename_map_elt in the
5672	map at that location, free it.
5673	(translate_clast): Pass the rename_map.  Do not initialize and free
5674	a rename_map per stmt_user.
5675	(gloog): Initialize and free one rename_map and pass it to
5676	translate_clast.
5677
56782009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5679
5680	Remove forgotten line in revert.
5681
56822009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684	Revert previous commit.
5685
56862009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5687
5688	* sese.c (register_old_and_new_names): Update the content
5689	of the map.  When there was already a rename_map_elt in the
5690	map at that location, free it.
5691	(copy_bb_and_scalar_dependences): Do rename_variables after
5692	expand_scalar_variables.
5693	* graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5694	of the map.  When there was already a rename_map_elt in the
5695	map at that location, free it.
5696	(translate_clast): Pass the rename_map.  Do not initialize and free
5697	a rename_map per stmt_user.
5698	(gloog): Initialize and free one rename_map and pass it to
5699	translate_clast.
5700
57012009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5702
5703	* graphite-clast-to-gimple.c (translate_clast): context_loop
5704	is never NULL.
5705
57062009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5707	    Sebastian Pop  <sebastian.pop@amd.com>
5708
5709	* graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5710	of the use of ppl_Polyhedron_map_space_dimensions.
5711
57122009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5713	    Sebastian Pop  <sebastian.pop@amd.com>
5714
5715	* graphite-poly.c (unify_scattering_dimensions): Fix types.
5716	* graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5717	PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5718	pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5719	pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5720	pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5721	pbb_nb_params): New.
5722	(pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5723	nb_loops_around_pbb): Adapt return types.
5724
57252009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5726
5727	* Makefile.in (graphite.o, graphite-sese-to-poly.o,
5728	graphite-clast-to-gimple.o,  graphite-data-ref.o,
5729	graphite-scop-detection.o, graphite-poly.o): Add
5730	more headers.
5731
57322009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5733
5734	* Makefile.in (graphite.o, graphite-sese-to-poly.o,
5735	graphite-clast-to-gimple.o,  graphite-data-ref.o,
5736	graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5737
57382009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5739
5740	* gcc.dg/graphite/pr37485.c: Remove -floop-block
5741	* gcc.dg/graphite/pr37828.c: Same.
5742	* gcc.dg/graphite/pr37684.c: Same.
5743	* gcc.dg/graphite/block-0.c: Same.
5744	* gcc.dg/graphite/block-1.c: Same.
5745	* gcc.dg/graphite/block-2.c: Same.
5746	* gcc.dg/graphite/block-3.c: Same.
5747	* gcc.dg/graphite/block-4.c: Same.
5748	* gcc.dg/graphite/block-5.c: Same.
5749	* gcc.dg/graphite/block-6.c: Same.
5750	* gfortran.dg/graphite/pr38083.f90: Same.
5751	* gfortran.dg/graphite/block-1.f90: Same.
5752	* gfortran.dg/graphite/block-3.f90: Same.
5753	* gfortran.dg/graphite/pr37852.f90: Same.
5754	* gfortran.dg/graphite/block-4.f90: Same.
5755	* gfortran.dg/graphite/pr37980.f90: Same.
5756	* gfortran.dg/graphite/pr38953.f90: Same.
5757	* gfortran.dg/graphite/pr37857.f90: Same.
5758	* opts.c: Remove -floop-block from -O2.
5759	* graphite-poly.c: Fail if -floop-block -floop-interchange or
5760	-floop-strip-mine are used.
5761
57622009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5763	    Sebastian Pop  <sebastian.pop@amd.com>
5764
5765	* graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5766	dimensions.
5767	* graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5768	graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5769	strip_mine_profitable_p, is_interchange_valid,
5770	graphite_trans_bb_block, graphite_trans_loop_block,
5771	graphite_trans_scop_block): Temporary removed.
5772	(extend_scattering, unify_scattering_dimensions): New.
5773	(print_scattering_function, graphite_read_transforms):
5774	PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5775	(graphite_generate_scattering_fns): Removed.
5776	(apply_poly_transforms): Cleanup.
5777	(free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5778	(schedule_to_scattering): Moved.
5779	(PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5780	(PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5781	(pbb_nb_scattering): New.
5782	(SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5783	SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5784	Removed.
5785	* graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5786	shift_poly.
5787	(ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5788	* graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5789	-> PBB_TRANSFORMED_SCATTERING.
5790	* graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5791	(build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5792	(build_scop_scattering): Renamed from build_scop_canonical_schedules.
5793	(check_poly_representation): Do not return bool.
5794	(graphite_transform_loops): Reformat.
5795	* sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5796
57972009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5798
5799	* graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5800	debug_pbb_domain, debug_pbb, debug_scop): New.
5801	* graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5802	debug_pbb_domain, debug_pbb, debug_scop): Declared.
5803
58042009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5805
5806	PR middle-end/39335
5807	* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5808	when the type precision of the induction variable should be
5809	larger than the type precision of nit.
5810	(gen_parallel_loop): Update use of canonicalize_loop_ivs.
5811	* graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5812	* tree-flow.h (canonicalize_loop_ivs): Update declaration.
5813
5814	* gcc.dg/graphite/pr39335_1.c: New.
5815	* gcc.dg/graphite/pr39335.c: New.
5816
58172009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5818
5819	* tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5820	SSA_NAMES not struct reduction_info.
5821
58222009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824	* sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5825
58262009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5827	    Tobias Grosser  <grosser@fim.uni-passau.de>
5828
5829	* sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5830	(free_sese): Free SESE_REDUCTION_LIST.
5831	* sese.h (struct sese): Add field reduction_list.
5832	(SESE_REDUCTION_LIST): New.
5833	* graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5834	canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5835
58362009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5837	    Tobias Grosser  <grosser@fim.uni-passau.de>
5838
5839	* tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5840	of loop_p.
5841
58422009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5843	    Tobias Grosser  <grosser@fim.uni-passau.de>
5844
5845	* tree-parloops.c (struct brli, build_reduction_list_info,
5846	analyze_reduction_list, gather_scalar_reductions): New.
5847	(loop_parallel_p): Build a reduction list containing only
5848	PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5849	(gen_parallel_loop): Call the analysis analyze_reduction_list.
5850	(parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5851	* tree-flow.h (gather_scalar_reductions): Declared.
5852
58532009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5854
5855	PR middle-end/39308
5856	* graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5857	number_of_iterations_exit from a gcc_assert.
5858
58592009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5860	    Jan Sjodin  <jan.sjodin@amd.com>
5861
5862	* output.h (graphite_out_file, graphite_in_file): Declared.
5863	* toplev.c (graphite_out_file, graphite_in_file): New.
5864	(init_asm_output): Initialize graphite_in_file and graphite_out_file.
5865	* graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5866	Don't call schedule_to_scattering.
5867	* common.opt (fgraphite-write, fgraphite-read): New.
5868	* graphite-poly.c: Include output.h.
5869	(print_scattering_function, print_scattering_functions,
5870	debug_scattering_function, debug_scattering_functions,
5871	graphite_write_transforms, graphite_read_transforms,
5872	graphite_generate_scattering_fns): New.
5873	(apply_poly_transforms): Do not apply transform if flag_graphite_read.
5874	Call graphite_generate_scattering_fns, graphite_write_transforms,
5875	graphite_read_transforms.
5876	(new_poly_bb): Initialize PBB_SCATTERING.
5877	(free_poly_bb): Free PBB_SCATTERING.
5878	(schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5879	* graphite-poly.h (struct poly_bb): Add field scattering.
5880	(PBB_SCATTERING): New.
5881	(print_scattering_function, print_scattering_functions,
5882	debug_scattering_function, debug_scattering_functions): Declared.
5883	* graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5884	GMP values, not integers!
5885	(ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5886	ppl_read_polyhedron_matrix): New.
5887	* graphite-ppl.h (ppl_print_polyhedron_matrix,
5888	debug_ppl_polyhedron_matrix,
5889	ppl_read_polyhedron_matrix): Declared.
5890	* Makefile.in (graphite-poly.o): Depends on output.h.
5891
58922009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5893	    Tobias Grosser  <grosser@fim.uni-passau.de>
5894
5895	Revert this change:
5896	* graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5897	scalar evolutions in the scop_entry->loop_father.
5898
58992009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5900	    Tobias Grosser  <grosser@fim.uni-passau.de>
5901
5902	* graphite.h (ref_nb_loops): Remove declaration.
5903	(struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5904	GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5905	debug_gbb): Moved to sese.h.
5906	* sese.h: As said.
5907
59082009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5909	    Tobias Grosser  <grosser@fim.uni-passau.de>
5910
5911	* graphite-data-ref.[ch]: Disable.
5912
59132009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5914	    Tobias Grosser  <grosser@fim.uni-passau.de>
5915
5916	* graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5917	scalar evolutions in the scop_entry->loop_father.
5918
59192009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5920
5921	* graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5922	(graphite_cannot_represent_loop_niter): Renamed
5923	graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5924	(limit_scops): build_sese_loop_nests does not return a bool.
5925	* graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5926	* sese.c (nb_reductions_in_loop): ... from here.
5927	(graphite_loop_normal_form): ... from here.
5928	(sese_record_loop): Does not fail, so does not return a bool.
5929	(build_sese_loop_nests): Same.
5930	* sese.h (build_sese_loop_nests): Update declaration.
5931	* graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5932	(build_graphite_loop_normal_form): New.
5933	(gloog): Call build_graphite_loop_normal_form.
5934	* graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5935	build_sese_loop_nests.
5936
5937	* gcc.dg/graphite/id-1.c: New.
5938
59392009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5940	    Tobias Grosser  <grosser@fim.uni-passau.de>
5941
5942	* graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5943	The SCoP detection fix is sufficient.
5944
59452009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5946
5947	PR tree-optimization/39260
5948	* graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5949	the basic block contains a condition with a real type.
5950	* graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5951
5952	* gcc.dg/graphite/pr39260.c: New.
5953
59542009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5955
5956	* graphite-poly.c: Inlcude params.h.
5957	(graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5958	the size of a tile.
5959	* Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5960	* params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5961
59622009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5963	    Tobias Grosser  <grosser@fim.uni-passau.de>
5964
5965	* graphite-scop-detection.c (dot_all_scops_1,
5966	dot_all_scops): Moved here.
5967	* graphite-scop-detection.h (dot_all_scops): Declared here.
5968	* graphite.c (graphite_initialize, graphite_finalize): New.
5969	(graphite_transform_loops): Cleaned up.
5970	* sese.c (debug_oldivs): Moved here.
5971	* graphite-poly.c (graphite_apply_transformations): Renamed
5972	apply_poly_transforms.
5973	(debug_loop_vec): Moved here.
5974	* graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5975	scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5976	find_scop_parameters, build_scop_iteration_domain,
5977	add_conditions_to_constraints, build_scop_canonical_schedules,
5978	build_scop_data_accesses): Now static.
5979	(build_poly_scop, check_poly_representation): New.
5980
59812009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5982
5983	* graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5984	remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5985	build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5986	build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5987	scan_tree_for_params_right_scev, scan_tree_for_params_int,
5988	scan_tree_for_params, struct irp_data, dx_record_params,
5989	find_params_in_bb, find_scop_parameters, gbb_from_bb,
5990	build_loop_iteration_domains, add_conditions_to_domain,
5991	phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5992	scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5993	build_sese_conditions, add_conditions_to_constraints,
5994	build_scop_iteration_domain, build_access_matrix_with_af,
5995	build_access_matrix,
5996	build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5997
5998	* graphite-sese-to-poly.c: New.
5999	* graphite-sese-to-poly.h: New.
6000
6001	* Makefile.in: Add new rule for graphite-sese-to-poly.o.
6002
60032009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
6004
6005	* graphite.c: Split graphite code generation to a new file.
6006	(graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
6007	max_precision_type, clast_to_gcc_expression_red,
6008	clast_to_gcc_expression, gcc_type_for_clast_expr,
6009	gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
6010	graphite_translate_clast_equation, graphite_create_guard_cond_expr,
6011	graphite_create_new_guard, clast_get_body_of_loop,
6012	gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
6013	graphite_create_new_loop, build_iv_mapping, copy_renames,
6014	translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6015	compute_cloog_iv_types, free_scattering, save_var_name,
6016	initialize_cloog_names, build_scop_context, build_cloog_prog,
6017	set_cloog_options, debug_clast_stmt, scop_to_clast,
6018	print_generated_program, debug_generated_program,
6019	gloog): Moved to graphite-clast-to-gimple.c.
6020
6021	(struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
6022
6023	(iv_stack_entry_is_constant, iv_stack_entry_is_iv,
6024	loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
6025	loop_iv_stack_pop, loop_iv_stack_get_iv,
6026	loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
6027	free_loop_iv_stack, loop_iv_stack_remove_constants,
6028	debug_rename_elt, debug_rename_map_1, debug_rename_map,
6029	rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
6030	debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
6031	eq_ivtype_map_elts, sese_add_exit_phis_edge,
6032	sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
6033	get_vdef_before_sese, sese_adjust_vphi,
6034	get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
6035	oldiv_for_loop, rename_variables_in_stmt, is_parameter,
6036	is_iv, expand_scalar_variables_ssa_name,
6037	expand_scalar_variables_expr, expand_scalar_variables_stmt,
6038	expand_scalar_variables, rename_variables, remove_condition,
6039	get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
6040	add_loop_exit_phis, insert_loop_close_phis, struct igp,
6041	default_liveout_before_guard, add_guard_exit_phis,
6042	insert_guard_phis, register_old_and_new_names,
6043	graphite_copy_stmts_from_block, register_sese_liveout_renames,
6044	copy_bb_and_scalar_dependences, outermost_loop_in_sese,
6045	if_region_set_false_region, create_if_region_on_edge,
6046	move_sese_in_condition): Moved to sese.c.
6047
6048	(nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
6049	if_region_exit, if_region_get_condition_block,
6050	struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
6051	union iv_stack_entry_data_union, struct iv_stack_entry_struct,
6052	iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
6053	ivtype_map_elt, new_ivtype_map_elt,
6054	recompute_all_dominators): Moved to sese.h.
6055
6056	* graphite-clast-to-gimple.c: New.
6057	* graphite-clast-to-gimple.h: New.
6058	* Makefile.in: Add new rule for graphite-clast-to-gimple.o.
6059	* sese.c: Modified as said above.
6060	* sese.h: Same.
6061
60622009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
6063
6064	* graphite.c: Split scop detection to a new file.
6065	(enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
6066	move_sd_regions, loop_affine_expr, exclude_component_ref,
6067	is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
6068	graphite_cannot_represent_loop_niter, struct scopdet_info,
6069	scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
6070	find_single_entry_edge, find_single_exit_edge,
6071	create_single_entry_edge, sd_region_without_exit,
6072	create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
6073	create_sese_edges, build_graphite_scops, limit_scops, build_scops):
6074	Moved to graphite-scop-detection.c.
6075
6076	* graphite-scop-detection.c: New.
6077	* graphite-scop-detection.h: New.
6078	* Makefile.in: Add new rule for graphite-scop-detection.o.
6079
6080	* sese.c: Include tree-chrec.h, tree-data-ref.h, and
6081	tree-scalar-evolution.h.
6082	(nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
6083	build_sese_loop_nests): Moved here from graphite.c.
6084	(param_index): Renamed parameter_index_in_region.
6085
60862009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6087	    Sebastian Pop  <sebastian.pop@amd.com>
6088
6089	* gcc.dg/graphite/block-0.c: Expected to fail now.
6090	* gcc.dg/graphite/block-1.c: Same.
6091	* gcc.dg/graphite/block-5.c: Same.
6092	* gcc.dg/graphite/block-6.c: Same.
6093
60942009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6095	    Sebastian Pop  <sebastian.pop@amd.com>
6096
6097	* graphite.h: Separate from graphite_bb_p the polyhedral
6098	representation in poly_bb_p and the GCC specifics in gimple_bb_p.
6099	(struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
6100	graphite-data-ref.h.
6101	(struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
6102	PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
6103	pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
6104	SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
6105	SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
6106	scop_nb_params): Moved to graphite-poly.h.
6107	* graphite-data-ref.c: Same.
6108	* graphite-data-ref.h: New.
6109	* graphite.c: Same.
6110	(pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
6111	graphite_trans_bb_strip_mine, strip_mine_profitable_p,
6112	is_interchange_valid, graphite_trans_bb_block,
6113	graphite_trans_loop_block, scop_max_loop_depth,
6114	graphite_trans_scop_block, graphite_apply_transformations,
6115	new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
6116	graphite-poly.c.
6117	* graphite-poly.h: New.
6118	* graphite-poly.c: New.
6119	* Makefile.in (OBJS-common): Add graphite-poly.o.
6120	(graphite-poly.o): New rule.
6121	* tree-data-ref.h (struct data_reference): Remove unused scop field.
6122	(DR_SCOP): Removed.
6123
61242009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6125	    Tobias Grosser  <grosser@fim.uni-passau.de>
6126
6127	* graphite.c: Replace gb -> gbb.
6128	* graphite.h: Same.
6129	* graphite-data-ref.c: Same.
6130
61312009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6132	    Tobias Grosser  <grosser@fim.uni-passau.de>
6133
6134	* Makefile.in (OBJS-commmon): Add sese.o.
6135	(sese.o): New.
6136	(graphite.o): Add sese.h.
6137	* graphite.c (bb_in_ss_p, loop_in_sese_p,
6138	sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
6139	sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
6140	Move to sese.
6141	(block_before_scop): Add missing return.
6142	(new_scop, free_scop): Remove SESE data structures.
6143	(scop_record_loop, scan_tree_for_params, find_params_in_bb,
6144	find_scop_parameters, build_loop_iteration_domains,
6145	add_conditions_to_domain, register_scop_liveout_renames,
6146	copy_bb_and_scalar_dependences): Scop -> SESE.
6147
6148	(add_conditions_to_domain): SCoP -> SESE and remove check
6149	(scop_contains_non_iv_scalar_phi_nodes): New.
6150	(build_scop_conditions_1, build_scop_conditions): Remove check for
6151	non iv scalar phi nodes.
6152	(print_scop_statistics): New.
6153	(graphite_transform_loops): Cleanup.
6154
6155	* graphite.h: Move to sese & cleanup.
6156	* sese.c: New.
6157	* sese.h: New.
6158
61592009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6160	    Tobias Grosser  <grosser@fim.uni-passau.de>
6161
6162	* graphite.c (build_scop_conditions_1): Conditions are only
6163	at the end of a basic block.
6164
61652009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6166	    Tobias Grosser  <grosser@fim.uni-passau>
6167
6168	* graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
6169	field.
6170	(GBB_ALPHA): Removed.
6171
61722009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6173	    Tobias Grosser  <grosser@fim.uni-passau.de>
6174
6175	* graphite-data-ref.c (graphite_test_dependence): Don't use
6176	GBB_DYNAMIC_SCHEDULE.
6177	* graphite.c (new_graphite_bb): Same.
6178	(free_graphite_bb): Same.
6179	(build_scop_dynamic_schedules): Removed.
6180	(graphite_transform_loops): Don't call it.
6181	* graphite.h (struct graphite_bb): Remove dynamic_schedule field.
6182	(GBB_DYNAMIC_SCHEDULE): Removed.
6183
61842009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6185	    Tobias Grosser  <grosser@fim.uni-passau.de>
6186
6187	* graphite.c (schedule_to_scattering): Don't use CloogMatrix.
6188	(print_graphite_bb): Same.
6189	(build_cloog_prog): Same.
6190
61912009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6192	    Tobias Grosser  <grosser@fim.uni-passau.de>
6193
6194	* graphite.c (build_cloog_prog): Don't use CloogMatrix.
6195
61962009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6197	    Tobias Grosser  <grosser@fim.uni-passau.de>
6198
6199	* graphite.c (build_scop_context): Don't use CloogMatrix.
6200	* graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
6201	* graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
6202
62032009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6204	    Tobias Grosser  <grosser@fim.uni-passau.de>
6205
6206	* graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
6207	liveout_renames, add_params fields...
6208	(struct sese): ... here.
6209	(SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
6210	SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
6211
62122009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6213	    Tobias Grosser  <grosser@fim.uni-passau.de>
6214
6215	* graphite.c (print_scop): Do not print the CLooG program.
6216	(new_scop, free_scop, initialize_cloog_names, build_scop_context,
6217	build_cloog_prog, gloog): Don't use SCOP_PROG.
6218	(find_transform): Renamed scop_to_clast.
6219	(print_generated_program, debug_generated_program): New.
6220	(graphite_transform_loops): Adapt to new interface.
6221	* graphite.h (struct scop): Remove program field.
6222	(SCOP_PROG): Removed.
6223	(print_generated_program, debug_generated_program): Declared.
6224
62252009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6226
6227	* graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
6228	(statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
6229	* graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
6230	free_graphite_bb, build_scop_canonical_schedules,
6231	graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
6232	schedules are now represented using a ppl_Linear_Expression_t.
6233	* graphite.h (struct graphite_bb): Same.
6234	* graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
6235	* graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
6236
62372009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6238
6239	* graphite.c: Free local memory.
6240	* graphite-ppl.c: Same.
6241
62422009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6243
6244	* graphite.c (const_column_index, get_first_matching_sign_row_index,
6245	get_lower_bound_row, get_upper_bound_row, copy_constraint,
6246	swap_constraint_variables, scale_constraint_variable): Removed.
6247	(graphite_trans_bb_strip_mine): Remove pong.
6248	* graphite-ppl.c: Include missing header files.
6249	(set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
6250	* graphite-ppl.h (ppl_strip_loop): Declared.
6251	* Makefile.in (graphite-ppl.o): Adjust dependences.
6252
62532009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
6254
6255	* graphite.c (build_loop_iteration_domains): Remove ping pong.
6256	(build_scop_iteration_domain): Same.
6257
62582009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6259
6260	* graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6261	ping pong.
6262	(add_value_to_dim, scan_tree_for_params_right_scev,
6263	scan_tree_for_params_int): New.
6264	* graphite-ppl.c (oppose_constraint): New.
6265	(insert_constraint_into_matrix): Implement missing cases.
6266	* graphite-ppl.h (insert_constraint_into_matrix): Declared.
6267
62682009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6269
6270	* graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6271	use ppl_move_dimension.
6272
62732009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6274
6275	* graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
6276	* graphite.c: Same.
6277	* graphite.h: Same.
6278	* graphite-ppl.c: Same.
6279	* graphite-ppl.h: Same.
6280
62812009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6282
6283	Revert last 3 commits.
6284
62852009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6286
6287	* graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6288	ping pong.
6289	(add_value_to_dim, scan_tree_for_params_right_scev,
6290	scan_tree_for_params_int): New.
6291	* graphite-ppl.c (oppose_constraint): New.
6292	(insert_constraint_into_matrix): Implement missing cases.
6293	* graphite-ppl.h (insert_constraint_into_matrix): Declared.
6294
62952009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6296
6297	* graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
6298
62992009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6300	    Tobias Grosser  <grosser@fim.uni-passau.de>
6301
6302	* graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6303	use ppl_move_dimension.
6304	* graphite-ppl.c (ppl_move_dimension): New.
6305	* graphite-ppl.h (ppl_move_dimension): Declared.
6306
63072009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6308
6309	* graphite.c: Do not include cloog/cloog.h.
6310	(print_graphite_bb): Remove ping pong, call PPL print function.
6311
63122009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6313
6314	* Makefile.in (OBJS-common): Add graphite-ppl.o.
6315	(graphite.o): Add dependence on graphite-ppl.h.
6316	(graphite-ppl.o): New.
6317	(graphite-data-ref.c): Ping pong between PPL data structures
6318	and matrices.
6319	* graphite-ppl.c: New.
6320	* graphite-ppl.h: New.
6321	* graphite.c: Include graphite-ppl.h.
6322	(print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
6323	graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
6324	Ping pong between PPL data structures and matrices.
6325	(new_graphite_bb): Create a PPL constraint system.
6326	Call ppl_delete_Constraint_System instead of cloog_matrix_free.
6327	(build_loop_iteration_domains): Use PPL functions.
6328	* graphite.h: Include graphite-ppl.h.  Fix comments.
6329	(graphite_bb): Use a ppl_Constraint_System_t instead of
6330	CloogMatrix for representing the domain.
6331	(scop): Remove static_schedule.
6332	(gbb_nb_loops): Ping pong between PPL data structures and matrices.
6333
63342009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336	* graphite.c: Fix some comments.
6337
63382009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6339
6340	PR middle-end/38953
6341	* graphite.c (if_region_set_false_region): After moving a region
6342	in the false branch of a condition, remove the empty dummy
6343	basic block.
6344	(gloog): Remove wrong fix for PR38953.
6345
63462009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6347
6348	* graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6349	sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6350	register_bb_in_sese, new_sese, free_sese): Moved.
6351	(dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6352	outermost_loop_in_scop, build_scop_iteration_domain,
6353	expand_scalar_variables_ssa_name, get_vdef_before_scop,
6354	limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6355	Use loop_in_sese_p instead of loop_in_scop_p.
6356	(new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6357	(free_scop): Do not free SCOP_BBS_B.
6358	(nb_loops_around_loop_in_scop, nb_loops_around_gb,
6359	ref_nb_loops): Moved here...
6360	* graphite.h (ref_nb_loops): ... from here.
6361	(struct scop): Remove bbs_b bitmap.
6362	(SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6363	* gcc.dg/graphite/scop-19.c: New
6364
63652009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6366
6367	* graphite.c (scopdet_basic_block_info): Fix bug in scop
6368	detection.
6369
63702009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6371
6372	* graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6373	eq_loop_to_cloog_loop): Remove.
6374	(new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6375	* graphite.h (struct scop): Remove loop2cloog_loop.
6376	(loop_domain_dim, loop_iteration_vector_dim): Remove.
6377
63782009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6379
6380	* opts.c (decode_options): Only add graphite options to O2
6381	if we compile with graphite enabled.
6382
63832009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6384
6385	* Merge from mainline (r143163:143684).
6386
63872009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6388
6389	* graphite.c (debug_value): Removed.
6390	* graphite.h (debug_value): Removed.
6391
63922009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6393
6394	* passes.c (init_optimization_passes): Do not call pass_copy_prop
6395	after graphite: pass_copy_prop does not maintain a proper loop closed
6396	SSA form.  pass_copy_prop should be fixed.
6397
63982009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6399
6400	* graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6401
64022009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6403
6404	* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6405	(gloog): Split the exit of the scop when the scop exit is a loop exit.
6406	(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6407	changed the CFG.
6408
64092009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6410
6411	* graphite.c (gloog): Return true when code gen succeeded.
6412	(graphite_transform_loops): Do not call cleanup_tree_cfg if
6413	the code of the function did not changed.  After cleanup_tree_cfg
6414	call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6415	form.
6416
64172009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6418
6419	* graphite.c (stmt_simple_for_scop_p): Also handle cases when
6420	gimple_call_lhs is NULL.
6421
64222009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6423	    Tobias Grosser  <tobi.grosser@amd.com>
6424
6425	* graphite.c (graphite_trans_scop_block): Do not block single
6426	nested loops.
6427
64282009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6429	    Tobias Grosser  <tobi.grosser@amd.com>
6430
6431	* graphite.c (build_scop_canonical_schedules): Start schedules at
6432	zero.
6433
64342009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6435	    Tobias Grosser  <tobi.grosser@amd.com>
6436
6437	* graphite.c (compare_prefix_loops): New.
6438	(build_scop_canonical_schedules): Rewritten.
6439	(graphite_transform_loops): Move build_scop_canonical_schedules
6440	after build_scop_iteration_domain.
6441
64422009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6443	    Tobias Grosser  <tobi.grosser@amd.com>
6444
6445	* graphite.c (add_conditions_to_domain): Add the loops to
6446	the dimension of the iteration domain.  Do copy the domain
6447	only when it exists.
6448	(build_scop_conditions_1): Do not call add_conditions_to_domain.
6449	(add_conditions_to_constraints): New.
6450	(can_generate_code_stmt, can_generate_code): Removed.
6451	(gloog): Do not call can_generate_code.
6452	(graphite_transform_loops): Call add_conditions_to_constraints
6453	after building the iteration domain.
6454
64552009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6456	    Tobias Grosser  <tobi.grosser@amd.com>
6457	    Jan Sjodin  <jan.sjodin@amd.com>
6458
6459	* graphite.c (scan_tree_for_params): On substractions negate
6460	all the coefficients of the term.
6461	(clast_to_gcc_expression_red): New.  Handle reduction expressions
6462	of more than two operands.
6463	(clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6464	(get_vdef_before_scop): Handle also the case of default definitions.
6465
64662009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6467
6468	PR middle-end/38431
6469	* graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6470	(scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6471	(gloog): Do not call cleanup_tree_cfg.
6472	(graphite_transform_loops): Call cleanup_tree_cfg after all
6473	scops have been code generated.
6474
64752009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6476
6477	* passes.c (init_optimization_passes): Schedule after
6478	graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6479
64802009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6481
6482	* graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6483	Fix comment.
6484	(expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6485	Set the type of an expression to the type of its assign	statement.
6486	(expand_scalar_variables_expr):  Do not pass loop_p.
6487	Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6488	(copy_bb_and_scalar_dependences): Do not pass loop_p.
6489	(translate_clast): Update call to copy_bb_and_scalar_dependences.
6490
64912009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6492
6493	* graphite.c (expand_scalar_variables_ssa_name): Set the type of
6494	an expression to the gimple_expr_type of its assign statement.
6495	(expand_scalar_variables_expr): Stop recursion on tcc_constant
6496	or tcc_declaration.
6497
64982009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6499
6500	PR tree-optimization/38786
6501	* gcc.dg/graphite/pr38786.c: New.
6502	* graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6503	the SSA_NAME case of expand_scalar_variables_expr.
6504	(expand_scalar_variables_expr): Also gather the scalar computation
6505	used to index the memory access.
6506	(expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6507	the gimple_stmt_iterator where it inserts new code.
6508
65092009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6510
6511	* gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6512
65132009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6514
6515	* opts.c (decode_options): Enable flag_graphite_identity and
6516	flag_loop_block in -O2 and above.
6517
65182009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6519
6520	* libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6521	Fix merge problem: replace with the file from trunk.
6522
65232009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6524
6525	* Merge from mainline (r141727:143163).
6526
65272009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6528	    Jan Sjodin  <jan.sjodin@amd.com>
6529
6530	PR tree-optimization/38559
6531	* gcc.dg/graphite/pr38559.c: New.
6532
6533	* graphite.c (debug_value, copy_constraint,
6534	swap_constraint_variables, scale_constraint_variable, ): New.
6535	(get_lower_bound, get_upper_bound): Removed.
6536	(graphite_trans_bb_strip_mine): Clean up this code that works
6537	only for constant number of iterations.  Fully copy upper and
6538	lower bound constraints, not only the constant part of them.
6539	* graphite.h (debug_value): Declared.
6540
65412009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6542
6543	PR tree-optimization/38492
6544	PR tree-optimization/38498
6545	* tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6546	* tree-chrec.h (scev_is_linear_expression): Declared.
6547	* graphite.c (graphite_cannot_represent_loop_niter): New.
6548	(scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6549	(graphite_loop_normal_form): Use gcc_assert.
6550	(scan_tree_for_params): Use CASE_CONVERT.
6551	(phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6552	(build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6553	Use gcc_assert.  Discard scops that contain unhandled cases.
6554	(build_scop_conditions): Return a boolean status for unhandled cases.
6555	(strip_mine_profitable_p): Print the loop number, not its depth.
6556	(is_interchange_valid): Pass the depth of the loop nest, don't
6557	recompute it wrongly.
6558	(graphite_trans_bb_block): Same.
6559	(graphite_trans_bb_block): Print tentative of loop blocking.
6560	(graphite_trans_scop_block): Do not print that the loop has been
6561	blocked.
6562	(graphite_transform_loops): Do not handle scops that contain condition
6563	scalar phi nodes.
6564
6565	* gcc.dg/graphite/pr38500.c: Fixed warning as committed
6566	in trunk.
6567	* gcc.dg/graphite/block-0.c: Update test.
6568	* gcc.dg/graphite/block-1.c: Same.
6569	* gcc.dg/graphite/block-2.c: Remove xfail and test for
6570	blocking.
6571	* gcc.dg/graphite/block-4.c: Remove test for strip mine.
6572	* gcc.dg/graphite/block-3.c: New.
6573	* gcc.dg/graphite/pr38498.c: New.
6574
65752008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6576
6577	PR tree-optimization/38510
6578	* gcc.dg/graphite/pr38510.c: New.
6579	* graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6580	  (translate_clast): Call recompute_all_dominators before
6581	  graphite_verify.
6582	  (gloog): Call recompute_all_dominators before graphite_verify.
6583
65842008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6585
6586	PR tree-optimization/38492
6587	* graphite.c (rename_map_elt, debug_rename_elt,
6588	debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6589	rename_map_elt_info, eq_rename_map_elts,
6590	get_new_name_from_old_name, bb_in_sese_p): Moved around.
6591	(sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6592	(sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6593	(sese_build_livein_liveouts): New.
6594	(new_sese, free_sese): New.
6595	(new_scop): Call new_sese.
6596	(free_scop): Call free_sese.
6597	(rename_variables_from_edge, rename_phis_end_scop): Removed.
6598	(register_old_new_names): Renamed register_old_and_new_names.
6599	(register_scop_liveout_renames, add_loop_exit_phis,
6600	insert_loop_close_phis, struct igp,
6601	default_liveout_before_guard, add_guard_exit_phis,
6602	insert_guard_phis, copy_renames): New.
6603	(translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6604	(sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6605	(rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6606	(scop_adjust_phis_for_liveouts): New.
6607	(gloog): Call scop_adjust_phis_for_liveouts.
6608
6609	* graphite.h (struct sese): Documented.  Added fields liveout,
6610	num_ver and livein.
6611	(SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6612	(new_sese, free_sese, sese_build_livein_liveouts): Declared.
6613	(struct scop): Added field liveout_renames.
6614	(SCOP_LIVEOUT_RENAMES): New.
6615
66162008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6617
6618	PR tree-optimization/38409
6619	* gcc.dg/graphite/pr38409.c: New.
6620	* graphite.c (nb_reductions_in_loop): Use simple_iv.
6621
66222008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6623
6624	* graphite.c (gcc_type_for_cloog_iv): By default return
6625	integer_type_node.
6626	(graphite_create_new_loop): Don't fold_convert the already
6627	fold_convert-ed expression.
6628
66292008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6630
6631	PR tree-optimization/38446
6632	* gcc.dg/graphite/pr38446.c: New.
6633	* graphite.c (register_bb_in_sese): New.
6634	(bb_in_sese_p): Check if bb belongs to sese region by explicitly
6635	looking at the bbs in the region.
6636	* graphite.h (sese): Add region_basic_blocks pointer set to
6637	structure and initialize at the time of defining new scop.
6638
66392008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6640
6641	* graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6642	(find_params_in_bb): Do not free data refs.
6643	(free_graphite_bb): Add FIXME on disabled free_data_refs.
6644
66452008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6646
6647	* gcc.dg/graphite/scop-16.c: Test only scop specific info.
6648	* gcc.dg/graphite/scop-17.c: Same.
6649	* gcc.dg/graphite/block-5.c: New.
6650	* gcc.dg/graphite/block-6.c: New.
6651	* gcc.dg/graphite/pr37485.c: Clean dump file after.
6652	* gcc.dg/graphite/pr37684.c: Same.
6653	* gcc.dg/graphite/block-2.c: Same.
6654
6655	* graphite.c (struct ivtype_map_elt): New.
6656	(debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6657	new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6658	gcc_type_for_cloog_iv): New.
6659	(loop_iv_stack_patch_for_consts): Use the type of the induction
6660	variable from the original loop, except for the automatically
6661	generated loops, i.e., in the case of a strip-mined loop, in
6662	which case there is no original loop: in that case just use
6663	integer_type_node.
6664	(new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6665	(free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6666	(clast_name_to_gcc): Accept params to be NULL.
6667	(clast_to_gcc_expression): Take an extra parameter for the type.
6668	Convert to that type all the expressions built by this function.
6669	(gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6670	(graphite_translate_clast_equation): Compute the type of the
6671	clast_equation before translating its LHS and RHS.
6672	(clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6673	(graphite_create_new_loop): Compute the type of the induction
6674	variable before translating the lower and upper bounds and before
6675	creating the induction variable.
6676	(rename_variables_from_edge, rename_phis_end_scop): New.
6677	(copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6678	(sese_add_exit_phis_edge): Do not use integer_zero_node.
6679	(find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6680	compute_cloog_iv_types): New.
6681	(gloog): Call compute_cloog_iv_types before starting the
6682	translation of the clast.
6683
6684	* graphite.h (struct graphite_bb): New field cloog_iv_types.
6685	(GBB_CLOOG_IV_TYPES): New.
6686	(debug_ivtype_map): Declared.
6687	(oldiv_for_loop): New.
6688
66892008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6690
6691	PR middle-end/38459
6692	* graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6693	(param_index): Assert if parameter is not know after parameter
6694	detection.
6695	(find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6696	(find_scop_parameters): Mark, that we have finished parameter
6697	detection.
6698	(graphite_transform_loops): Move condition detection before parameter
6699	detection.
6700	* graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6701	* gfortran.dg/graphite/pr38459.f90: New.
6702
67032008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6704
6705	* graphite.c (graphite_transform_loops): Always call find_transform ()
6706	in ENABLE_CHECKING.  So we test these code paths, even if we do not
6707	generate code.
6708
67092008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6710
6711	* graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6712	(print_scop): Ditto.
6713
67142008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6715
6716	PR middle-end/38084
6717	Fix gfortran.dg/graphite/id-3.f90.
6718	* graphite.c (scopdet_basic_block_info): Fix bug that found some
6719	regions more than once.
6720
67212008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6722
6723	Fix gfortran.dg/graphite/id-4.f90.
6724	* graphite.c (scan_tree_for_params): Do not compute the multiplicand
6725	when not needed.
6726
67272008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6728
6729	Fix gfortran.dg/graphite/id-1.f90.
6730	* graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6731	(loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6732	(max_precision_type): New.
6733	(value_clast): Removed.
6734	(clast_to_gcc_expression): Be more careful to types of expressions.
6735	Use max_precision_type and update use of gmp_cst_to_tree.
6736	(graphite_translate_clast_equation): Use max_precision_type.
6737	(graphite_create_guard_cond_expr): Do not use integer_type_node,
6738	use the type of the condition.
6739	(graphite_create_new_loop): Do not use integer_type_node, use the
6740	max_precision_type of lb and ub.
6741
67422008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6743
6744	* graphite.c (build_scops_1): Initialize open_scop.exit
6745	and sinfo.last.
6746
67472008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6748
6749	* gcc.dg/graphite/pr38084.c: New.
6750	* gfortran.dg/graphite/id-1.f90: New.
6751	* gfortran.dg/graphite/id-2.f90: New.
6752	* gfortran.dg/graphite/id-3.f90: New.
6753	* gfortran.dg/graphite/id-4.f90: New.
6754	* gfortran.dg/graphite/pr37857.f90: New.
6755
67562008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6757	    Jan Sjodin  <jan.sjodin@amd.com>
6758	    Harsha Jagasia  <harsha.jagasia@amd.com>
6759
6760	PR middle-end/37852
6761	PR middle-end/37883
6762	PR middle-end/37928
6763	PR middle-end/37980
6764	PR middle-end/38038
6765	PR middle-end/38039
6766	PR middle-end/38073
6767	PR middle-end/38083
6768	PR middle-end/38125
6769
6770	* gcc.dg/graphite/pr38073.c: New.
6771	* gcc.dg/graphite/pr37928.c: New.
6772	* gcc.dg/graphite/pr37883.c: New.
6773	* gcc.dg/graphite/pr38125.c: New.
6774	* gfortran.dg/graphite/pr38083.f90: New.
6775	* gfortran.dg/graphite/pr37852.f90: New.
6776	* gfortran.dg/graphite/pr37980.f90: New.
6777
6778	* gcc.dg/graphite/scop-18.c: Remove reduction, test for
6779	the number of detected scops.  Copy exact same test for loop
6780	blocking...
6781	* gcc.dg/graphite/block-1.c: Fix the number of expected
6782	loops to be blocked as reductions are not handled.
6783	* gcc.dg/graphite/block-4.c: ...here.  New.
6784
6785	* tree-phinodes.c (remove_phi_nodes): New, extracted from...
6786	* tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6787	...here.
6788	* tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6789	* Makefile.in (graphite.o): Depend on value-prof.h.
6790	(graphite.o-warn): Removed -Wno-error.
6791	* tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6792	to be a NULL pointer.  Call update_stmt.  Return the newly created
6793	cannonical induction variable.
6794
6795	* graphite.h (debug_rename_map): Declared.  Fix some comments.
6796
6797	* graphite.c: Reimplement the code generation from graphite to gimple.
6798	Include value-prof.h.
6799	(loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6800	(get_old_iv_from_ssa_name): Removed.
6801	(graphite_stmt_p): New.
6802	(new_graphite_bb): Test for useful statements before building a
6803	graphite statement for the basic block.
6804	(free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6805	in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6806	reason.
6807	(recompute_all_dominators, graphite_verify,
6808	nb_reductions_in_loop, graphite_loop_normal_form): New.
6809	(scop_record_loop): Call graphite_loop_normal_form.
6810	(build_scop_loop_nests): Iterate over all the blocks of the
6811	function instead of relying on the incomplete information from
6812	SCOP_BBS.  Return the success of the operation.
6813	(find_params_in_bb): Use the data from GBB_DATA_REFS.
6814	(add_bb_domains): Removed.
6815	(build_loop_iteration_domains): Don't call add_bb_domains.
6816	Add the iteration domain only to the basic blocks that have been
6817	translated to graphite.
6818	(build_scop_conditions_1): Add constraints only if the basic
6819	block have been translated to graphite.
6820	(build_scop_data_accesses): Completely disabled until data
6821	dependence is correctly implemented.
6822	(debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6823	(remove_all_edges_1, remove_all_edges): Removed.
6824	(get_new_name_from_old_name): New.
6825	(graphite_rename_variables_in_stmt): Renamed
6826	rename_variables_in_stmt.  Call get_new_name_from_old_name.
6827	Use replace_exp	and update_stmt.
6828	(is_old_iv): Renamed is_iv.
6829	(expand_scalar_variables_stmt): Extra parameter for renaming map.
6830	Use replace_exp	and update_stmt.
6831	(expand_scalar_variables_expr): Same.  Use the map to get the
6832	new names for the renaming of induction variables and for the
6833	renaming of variables after a basic block has been copied.
6834	(expand_scalar_variables): Same.
6835	(graphite_rename_variables): Renamed rename_variables.
6836	(move_phi_nodes): Removed.
6837	(get_false_edge_from_guard_bb): New.
6838	(build_iv_mapping): Do not insert the induction variable of a
6839	loop in the renaming iv map if the basic block does not belong
6840	to that loop.
6841	(register_old_new_names, graphite_copy_stmts_from_block,
6842	copy_bb_and_scalar_dependences): New.
6843	(translate_clast): Heavily reimplemented: copy basic blocks,
6844	do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6845	At each translation step call graphite_verify ensuring the
6846	consistency of the SSA, loops and dominators information.
6847	(collect_virtual_phis, find_vdef_for_var_in_bb,
6848	find_vdef_for_var_1, find_vdef_for_var,
6849	patch_phis_for_virtual_defs): Removed huge hack.
6850	(mark_old_loops, remove_dead_loops, skip_phi_defs,
6851	collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6852	gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6853	(remove_sese_region, ifsese, if_region_entry, if_region_exit,
6854	if_region_get_condition_block, if_region_set_false_region,
6855	create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6856	sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6857	sese_add_exit_phis_edge, sese_add_exit_phis_var,
6858	rewrite_into_sese_closed_ssa): New.
6859	(gloog): Remove dead code.  Early return if code cannot be
6860	generated.  Call cleanup_tree_cfg once the scop has been code
6861	generated.
6862	(graphite_trans_scop_block, graphite_trans_loop_block): Do not
6863	block loops with less than two loops.
6864	(graphite_apply_transformations): Remove the call to
6865	scop_remove_ignoreable_gbbs.
6866	(limit_scops): When build_scop_loop_nests fails, continue on
6867	the next scop.  Fix open_scop.entry.
6868	(graphite_transform_loops): Call recompute_all_dominators: force the
6869	recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6870	Call initialize_original_copy_tables and free_original_copy_tables
6871	to be able to copy basic blocks during code generation.
6872	When build_scop_loop_nests fails, continue on next scop.
6873	(value_clast): New union.
6874	(clast_to_gcc_expression): Fix type cast warning.
6875
68762008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6877
6878	* Merge from mainline (r140838:141727).
6879
68802008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6881
6882	PR middle-end/37833
6883
6884	* graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6885
68862008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6887
6888	PR middle-end/37943
6889
6890	* graphite.c (scopdet_basic_block_info): Fix loops with multiple
6891	exits and conditions.
6892	* gcc.dg/graphite/pr37943.c: New.
6893
68942008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6895
6896	PR middle-end/37886
6897	* graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6898
68992008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6900
6901	* doc/invoke.texi: Fix spaces.
6902
69032008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6904
6905	PR tree-optimization/37891
6906	Reverted last commit.
6907	* graphite.c (create_single_entry_edge): Set
6908	EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6909
69102008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6911	    Mitul Thakkar  <mitul.thakkar@amd.com>
6912
6913	* graphite.c (create_single_entry_edge): Set
6914	EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6915
69162008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6917
6918	* doc/invoke.texi: Add -fgraphite-identity.
6919	* graphite.c (graphite_apply_transformations): Check for
6920	-fgraphite-identity.
6921	* toplev.c (process_options): Add flag_graphite_identity.
6922	* tree-ssa-loop.c: Add flag_graphite_identity.
6923
69242008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6925
6926	Undo changes from 2008-10-02:
6927	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6928	operand type when copying the operand to a variable of different type.
6929	* cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6930	with the IV name after increment.
6931
69322008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6933    	    Harsha Jagasia  <harsha.jagasia@amd.com>
6934
6935	PR tree-optimization/37828
6936	* gcc.dg/graphite/pr37828.c: New.
6937	* graphite.c (graphite_trans_loop_block): Do not loop block
6938	single nested loops.
6939
69402008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6941	    Sebastian Pop  <sebastian.pop@amd.com>
6942
6943	* graphite.c (struct rename_map_elt, new_rename_map_elt,
6944	rename_map_elt_info, eq_rename_map_elts): New.
6945	(graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6946	(expand_scalar_variables_expr): Change parameters.
6947	(expand_scalar_variables_stmt): Same.
6948	(expand_scalar_variables): Same.
6949	(graphite_rename_ivs): Rename graphite_rename_variables.
6950	(build_iv_mapping): New.
6951	(translate_clast): Call build_iv_mapping.
6952	* graphite.h (gbb_p): New name.
6953
69542008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6955
6956	PR tree-optimization/37684
6957	* gcc.dg/graphite/pr37684.c: New.
6958	* graphite.c (exclude_component_ref): New.
6959	(is_simple_operand): Call exclude_component_ref.
6960
69612008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6962	    Harsha Jagasia  <harsha.jagasia@amd.com>
6963
6964	PR tree-optimization/37485
6965	* gcc.dg/graphite/block-2.c: New
6966	* graphite.c (gmp_cst_to_tree): Moved.
6967	(iv_stack_entry_is_constant): New.
6968	(iv_stack_entry_is_iv): New.
6969	(loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6970	(loop_iv_stack_insert_constant): New.
6971	(loop_iv_stack_pop): Use new datatpype.
6972	(loop_iv_stack_get_iv): Same.
6973	(loop_iv_stack_get_iv_from_name): Same.
6974	(loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6975	(loop_iv_stack_patch_for_consts): New.
6976	(loop_iv_stack_remove_constants): New.
6977	(graphite_create_new_loop): Use loop_iv_stack_push_iv.
6978	(translate_clast): Call loop_iv_stack_patch_for_consts and
6979	loop_iv_stack_remove_constants.
6980	(gloog): Use new datatype.  Redirect construction edge to end
6981	block to avoid accidental deletion.
6982	* graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6983	iv stack entry.
6984	(union iv_stack_entry_data): New.  Data in iv stack entry.
6985	(struct iv_stack_entry): New.  Datatype for iv stack entries.
6986
69872008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6988
6989	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6990	operand type when copying the operand to a variable of different type.
6991
69922008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6993
6994	* cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6995	with the IV name after increment.
6996
69972008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6998
6999	* Merge from mainline (r140164:140838).
7000
70012008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7002
7003	* graphite-data-ref.c: New.
7004	* graphite.c (print_scop): Also dump the dependence graph.
7005	(bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
7006	(new_scop): Initialize SCOP_DEP_GRAPH.
7007	(build_scop_dynamic_schedules): New.
7008	(build_access_matrix_with_af): Fixed column numbering.
7009	(graphite_transform_loops): Call build_scop_dynamic_schedules.
7010	* graphite.h: Add ifndef/define guards against multiple inclusion.
7011	(struct scop): Add dep_graph field.
7012	(SCOP_DEP_GRAPH): Defined.
7013	(ref_nb_loops): Fixed and moved to other position.
7014	(bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
7015	(nb_loops_around_loop_in_scop): New.
7016	(graphite_dump_dependence_graph): Declared.
7017	(graphite_build_rdg_all_levels): Declared.
7018	(graphite_test_dependence): Declared.
7019	* Makefile.in (graphite-data-ref.o): New target.
7020
70212008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
7022
7023	* Merge from mainline (139870:140164).
7024
70252008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
7026
7027	* Merge from mainline (138275:139870).
7028	* gcc.dg/graphite/scop-matmult.c: XFailed as one of
7029	the commits from trunk broke the niter detection.
7030
70312008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
7032
7033	* graphite.c: Add more documentation.  Fix formatting.
7034	(debug_loop_vec, debug_oldivs, loop_iv_stack,
7035	loop_iv_stack_debug): Moved...
7036	(schedule_to_scattering): Move before use.
7037	(dot_all_scops): Include in "#if 0" the code for system
7038	call dotty.
7039
7040	* graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
7041	loop_iv_stack_debug): ...here.
7042
70432008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
7044
7045	* tree-phinodes.c (make_phi_node): Extern.
7046	(add_phi_node_to_bb): New.
7047	(create_phi_node): Call add_phi_node_to_bb.
7048	* tree-ssa-loop-ivopts.c (get_phi_with_result): New.
7049	(remove_statement): Handle case where stored phi was updated
7050	and is no longer the same.
7051	* graphite.c (is_parameter): New.
7052	(is_old_iv): New.
7053	(expand_scalar_variables_expr): New.
7054	(expand_scalar_variables_stmt): New.
7055	(expand_scalar_variables): New.
7056	(move_phi_nodes): Create new phi instead of moving old one.
7057	(translate_clast): Call expand_scalar_variables.
7058	(find_vdef_for_var_in_bb): Also scan regular definitions.
7059	(skip_phi_defs): New.
7060	(collect_scop_exit_phi_args): New.
7061	(patch_scop_exit_phi_args): New.
7062	(gloog): Patch phis after scop.
7063	* tree-flow.h: (add_phi_node_to_bb): Declared.
7064	(make_phi_node): Declared.
7065
70662008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
7067
7068	* graphite.c (end_scop): Split the entry of the scop when it
7069	is the header of the loop in which the scop is ending.
7070	(build_scops_1, limit_scops): Update uses of end_scop.
7071
70722008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
7073
7074	* graphite.c (dot_all_scops_1): Do not fail on uninitialized
7075	SCOP_ENTRY or SCOP_EXIT.
7076
70772008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7078
7079	* graphite.c (get_construction_edge): Removed.
7080	(gloog): Construction edge is the scop entry edge.
7081
70822008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7083
7084	* graphite.c (can_generate_for_scop): Removed.
7085	(gloog): Do not call it.
7086
70872008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7088
7089	* graphite.c (new_scop): Entry of a scop is an edge.
7090	Initialize SESE region.
7091	(free_scop): Free SESE region.
7092	(build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
7093	(split_difficult_bb): New, split from end_scop.
7094	(end_scop): Exit of a scop is an edge.
7095	(build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
7096	not automatically updated and thus is always wrong.
7097	* graphite.h (struct sese): New.
7098	(SESE_ENTRY): New.
7099	(SESE_EXIT): New.
7100	(struct scop): New field for a SESE region.  Remove entry, exit.
7101	(SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
7102	semantics as before.  Moved comment around.
7103
71042008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7105	    Sebastian Pop  <sebastian.pop@amd.com>
7106
7107	* graphite.c (graphite_transform_loops): Always enable gloog
7108	and find_transform when ENABLE_CHECKING.
7109
71102008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7111
7112	* graphite.c (graphite_transform_loops): Move pretty printer
7113	of SCOPs before doing any transform.  Remove call to print_scops
7114	and dot_all_scops_1.
7115
71162008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7117
7118	* graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
7119	(print_graphite_bb): Same.
7120
71212008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7122
7123	* graphite.c (dot_all_scops_1): Cleanup.
7124	(move_scops): Fix comment.
7125
71262008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7127
7128	* graphite.c (build_scop_bbs): Revert commit 139355:
7129
7130	2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7131		    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7132
7133		* graphite.c (build_scop_bbs): Factor up code.
7134
71352008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7136
7137	* graphite.c (gloog): Update dominator info.
7138
71392008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7140
7141	* graphite.c (remove_cond_exprs): Do not fail on empty bbs.
7142
71432008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7144
7145	* graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
7146	initialization.
7147	(free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
7148	(translate_clast): Correct formatting.
7149	* graphite.h (struct num_map): Removed.
7150	(struct graphite_bb): Remove num_map field.
7151	(GBB_INDEX_TO_NUM_MAP): Removed.
7152
71532008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7154
7155	* graphite.c (build_access_matrix_with_af): Fix comments.
7156	(build_scop_data_accesses): Same.
7157
71582008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7159
7160	* graphite.c (build_scop_data_accesses): Don't construct
7161	access matrices.  Add a FIXME and an assert condition that
7162	should pass when the access matrices will be needed.
7163
71642008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7165
7166	* tree-data-ref.c (stmt_simple_memref_p): Don't call
7167	really_constant_p.
7168	* graphite.c (build_graphite_bb): Renamed new_graphite_bb.
7169	Moved close by free_graphite_bb.
7170	(free_graphite_bb): Call free_data_refs.  Reset bb->aux.
7171	(new_scop): Move close by free_scop.
7172	(graphite_transform_loops): Avoid linear scan to reset bb->aux.
7173
71742008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
7175
7176	* cfgloopmanip.c (create_empty_if_region_on_edge): New.
7177	* graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
7178	instead of recursive call.
7179	(graphite_translate_clast_equation): New.
7180	(graphite_create_guard_cond_expr): New.
7181	(graphite_create_new_guard): New.
7182	(get_stack_index_from_iv): Removed.
7183	(graphite_rename_ivs_stmt): Use gbb_loop_index.
7184	(get_true_edge_from_guard_bb): New.
7185	(translate_clast): Handle stmt_guard in clast.
7186	(get_construction_edge): Allow construction edge detection for
7187	a scope entry with multiple predecessors if one predecessor is
7188	the immediate dominator of scope entry.
7189	(can_generate_code_stmt): Enable code generation for clast_guard.
7190	(gloog): Use correct context loop.  Removed check for post dominators.
7191	* cfgloop.h (create_empty_if_region_on_edge): Declared.
7192
71932008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7194
7195	* graphite.c (remove_dead_loops): Document better which
7196	loops are removed.
7197
71982008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7199
7200	* Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
7201	and PPLINC.
7202	(graphite.o): Also depends on pointer-set.h.
7203
72042008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7205
7206	* graphite.c (scop_record_loop): Fix compile warning.
7207
72082008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
7209	    Sebastian Pop  <sebastian.pop@amd.com>
7210
7211	* graphite.c (scop_record_loop): DECL_NAME can be NULL.
7212
72132008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7214
7215	* graphite.c (build_graphite_bb): Initialize bb->aux to
7216	point to the graphite_bb_p.
7217	(graphite_bb_from_bb): Renamed gbb_from_bb; returns the
7218	content of bb->aux.
7219	(add_bb_domains): Does not use the scop parameter.
7220	(graphite_transform_loops): Clean bb->aux at the end.
7221
72222008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7223	    Sebastian Pop  <sebastian.pop@amd.com>
7224
7225	* lib/target-supports.exp
7226	(check_effective_target_fgraphite): New.
7227
7228	* gcc.dg/graphite/graphite.exp: Early exit when
7229	check_effective_target_fgraphite returns false.
7230	Set dg-do-what-default to compile.
7231	(scan-graphite-dump-times): Removed.
7232	* gfortran.dg/graphite/graphite.exp: Same.
7233
7234	* gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
7235	Use scan-tree-dump-times instead of scan-graphite-dump-times.
7236	* gcc.dg/graphite/scop-1.c: Same.
7237	* gcc.dg/graphite/scop-2.c: Same.
7238	* gcc.dg/graphite/scop-3.c: Same.
7239	* gcc.dg/graphite/scop-4.c: Same.
7240	* gcc.dg/graphite/scop-5.c: Same.
7241	* gcc.dg/graphite/scop-6.c: Same.
7242	* gcc.dg/graphite/scop-7.c: Same.
7243	* gcc.dg/graphite/scop-8.c: Same.
7244	* gcc.dg/graphite/scop-9.c: Same.
7245	* gcc.dg/graphite/scop-10.c: Same.
7246	* gcc.dg/graphite/scop-11.c: Same.
7247	* gcc.dg/graphite/scop-12.c: Same.
7248	* gcc.dg/graphite/scop-13.c: Same.
7249	* gcc.dg/graphite/scop-matmult.c: Same.
7250	* gcc.dg/graphite/scop-14.c: Same.
7251	* gcc.dg/graphite/scop-15.c: Same.
7252	* gcc.dg/graphite/block-0.c: Same.
7253	* gcc.dg/graphite/scop-16.c: Same.
7254	* gcc.dg/graphite/block-1.c: Same.
7255	* gcc.dg/graphite/scop-17.c: Same.
7256	* gcc.dg/graphite/scop-18.c: Same.
7257	* gfortran.dg/graphite/block-1.f90: Same.
7258	* gfortran.dg/graphite/scop-1.f: Same.
7259	* gfortran.dg/graphite/block-2.f: Same.
7260
72612008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7262
7263	* graphite.c: Fix some XXX comments.
7264	(build_scop_dynamic_schedules): Removed.
7265
72662008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7267
7268	* graphite.h (scop_max_loop_depth): Moved...
7269	* graphite.c (scop_max_loop_depth): ...here.
7270	(remove_all_edges_1): New.
7271	(remove_all_edges): Factored code.
7272	(remove_cond_exprs): Check only the last statement for
7273	a GIMPLE_COND expression.
7274
72752008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7276
7277	* graphite.c (scan_tree_for_params): Early return when the
7278	expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
7279	(find_scop_parameters): Factor out code.
7280	(graphite_trans_bb_strip_mine): Remove dead code.
7281
72822008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7283
7284	* graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
7285	graphite_trans_bb_move_loop): Factor asserts.
7286	(gloog): Perform sanity checks only for ENABLE_CHECKING.
7287	Do not call calculate_dominance_info and estimate_bb_frequencies.
7288
72892008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
7290
7291	* graphite.c (create_loops_mapping, free_loops_mapping,
7292	create_loops_mapping_num, debug_loop_mapping_1,
7293	debug_loop_mapping, graphite_loops_mapping_max_loop_num,
7294	get_loop_mapping_for_num, graphite_loops_mapping_add_child,
7295	graphite_loops_mapping_add_child_num,
7296	graphite_loops_mapping_insert_child,
7297	graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
7298	get_loop_mapped_depth, split_loop_mapped_depth_for_num,
7299	loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
7300	create_num_from_index, get_num_from_index,
7301	swap_loop_mapped_depth): Removed.
7302	(new_scop): Do not initialize SCOP_LOOPS_MAPPING.
7303	(free_scop): Do not call free_loops_mapping.
7304	(graphite_get_new_iv_stack_index_from_old_iv): Renamed
7305	get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
7306	get_loop_mapped_depth.
7307	(graphite_trans_bb_move_loop): Do not update the loop mapping.
7308	(graphite_trans_bb_strip_mine): Same.
7309	* graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
7310	(struct scop): Remove field loops_mapping.
7311
73122008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7313	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7314
7315	* graphite.c (scop_record_loop): Factor out one level of the
7316	condition by early return.
7317	(build_scop_loop_nests): Format following FSF coding style.
7318	(build_scop_dynamic_schedules): Factor out code.
7319	(scopdet_bb_info): Reindent.  Default case should not be reachable.
7320
73212008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7322	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7323
7324	* graphite.c (loop_affine_expr): Check for DECL_P or struct
7325	assignments that are not handled as simple operands for now.
7326
73272008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7328	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7329
7330	* graphite.c (build_scop_bbs): Factor up code.
7331
73322008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7333	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7334
7335	* graphite.c (stmt_simple_for_scop_p): Factor code out
7336	of the loop.
7337	(enum gbb_type): New.  Group all the GBB_* types under it.
7338	(is_loop_exit): Moved...
7339	(end_scop): Enable BB spliting.
7340	* cfgloop.c (is_loop_exit): ...here.  Reimplemented.
7341	* cfgloop.h (is_loop_exit): Declared.
7342
73432008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7344
7345	* doc/invoke.texi: Remove strides from examples containing
7346	DO loops when the strides are equal to 1.
7347
73482008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7349	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7350
7351	* graphite.c (graphite_trans_scop_block): Or the result with
7352	the result from graphite_trans_loop_block.
7353	* gcc.dg/graphite/block-1.c: New.
7354	* gfortran.dg/graphite/block-1.f90: New.
7355	* gfortran.dg/graphite/block-2.f: New.
7356
73572008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7358
7359	* graphite.c (graphite_transform_loops): Call cloog_initialize
7360	and cloog_finalize.
7361
73622008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7363
7364	* tree-data-ref.c) (stmt_simple_memref_p): New.
7365	* tree-data-ref.h (stmt_simple_memref_p): Declared.
7366	* graphite.c (stmt_simple_memref_for_scop_p): Removed.
7367	(is_simple_operand): Call stmt_simple_memref_p.
7368
7369	* gcc.dg/graphite/scop-matmult.c: Updated for not
7370	using pointer arithmetic, as this is optimized by PRE and
7371	makes the code too difficult to analyze.
7372
7373	* gcc.dg/graphite/scop-18.c: Same.
7374
73752008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7376
7377	* gdbinit.in (pgg): New.
7378
73792008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7380
7381	* graphite.c (graphite_trans_loop_block): Fix warning.
7382
73832008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7384
7385	* graphite.c (graphite_trans_loop_block): Fix my merge error.
7386
73872008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7388
7389	* graphite.c (graphite_trans_bb_block): Remove check for
7390	flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7391	Check if loop blocking is profitable for every loop, before applying
7392	the changes.
7393	(graphite_apply_transformations): Call graphite_trans_bb_block only,
7394	if flag_loop_block is set.
7395
73962008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7397
7398	* graphite.c: Add some more documentation for the loop
7399	mapping.
7400
74012008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7402
7403	* Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7404	* graphite.c: Format on less than 80 columns.
7405	* graphite.h: Same.
7406
74072008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7408
7409	* cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7410
74112008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7412
7413	* doc/invoke.texi (floop-block, floop-strip-mine,
7414	floop-interchange): Update documentation with examples.
7415
74162008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7417
7418	* cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7419	add_referenced_var.
7420	* graphite.c (graphite_create_new_loop): Call add_referenced_var.
7421
74222008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7423
7424	* cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7425	Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7426	* tree-scalar-evolution.c: Revert useless changes.
7427	* tree-phinodes.c: Same.
7428	* cfghooks.c: Same.
7429	* vec.h: Same.
7430	* tree-vectorizer.h: Same.
7431	* tree-flow.h: Same.
7432	* tree-cfg.c: Same.
7433	* common.opt (fgraphite): Update documentation.
7434
74352008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7436
7437	* doc/invoke.texi (-floop-block, -floop-strip-mine,
7438	-floop-interchange): Add more text for explaining what each of these
7439	flags is doing.
7440	* tree-into-ssa.c (gimple_vec): Moved to...
7441	* graphite.c: Include gimple.h.
7442	(gimple_vec): Moved to...
7443	(del_loop_to_cloog_loop): Removed.
7444	(loop_affine_expr): Do not call create_data_ref when the
7445	operand is a constant.
7446	(new_scop): Use free instead of del_loop_to_cloog_loop.
7447	* Makefile.in (graphite.o): Depend on GIMPLE_H.
7448	* gimple.h (gimple_vec): ... here.
7449
74502008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7451
7452	* graphite.c (scopdet_bb_info): Only allow loops with known number of
7453	latch executions.
7454	(build_loop_iteration_domains): Fail, if latch executions unknown.
7455
74562008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7457
7458	* graphite.c (add_conditions_to_domain): New.
7459	(build_scop_conditions_1): Call add_conditions_to_domain.
7460	(set_cloog_options): Allow to disable optimizations.
7461
74622008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7463
7464	* graphite.c (find_params_in_bb): Look for parameters in conditions.
7465	Do not use walk_dominator_tree.
7466	(find_scop_parameters): Do not use walk_dominator_tree.
7467
74682008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7469
7470	* graphite.c (scan_tree_for_params) Add / Subtract inequality.
7471	(idx_record_params): Adapt.
7472	* graphite.h (scop_gimple_loop_depth): New.
7473
74742008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7475
7476	* graphite.c (build_scop_dynamic_schedules): Remove value_init.
7477	(scan_tree_for_params): Remove value_init.
7478	(build_scop_context): Remove value_init.
7479	(build_loop_iteration_domains): Remove value_init.
7480	(schedule_to_scattering): Remove value_init.
7481	(graphite_trans_bb_strip_mine): Remove value_init.
7482
74832008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7484
7485	* gcc/graphite.c (limit_scops): New.
7486	(graphite_transform_loops): Add limit SCoPs.
7487	* gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7488	* gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7489	* gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7490	* gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7491	* gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7492	* gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7493	* gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7494	* gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7495	* gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7496	Change loop numbers.
7497	* gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7498	Change loop numbers.
7499	* gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7500	* gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7501	* gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7502	* gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7503	* gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7504	* gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7505	* gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7506	* gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7507	* gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7508	* gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7509
75102008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7511
7512	* graphite.c (graphite_transform_loops): Call always find_transform.
7513
75142008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7515
7516	* graphite.c (free_loops_mapping): New.
7517	(stmt_simple_for_scop_p): Fix typo.
7518	(stmt_simple_for_scop_p): Fix tuples functions, that
7519	broke polyhedron.
7520	(free_graphite_bb): Fix some memleaks.
7521	(free_scop): Fix some memleaks.
7522	(scopdet_bb_info): Do not forget some tmp SCoPs.
7523	(find_params_in_bb): Fix some memleaks.
7524	(clast_to_gcc_expression): Fix warning.
7525
75262008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7527
7528	* gcc.dg/graphite/scop-16.c: Fix for 32bit.
7529	* gcc.dg/graphite/scop-17.c: Fix for 32bit.
7530
75312008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7532
7533	* tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7534	Move code ifdef-ed HAVE_cloog...
7535	* graphite.c: Include toplev.h.
7536	... here.
7537	* Makefile.in (OBJS-common): Always build graphite.o.
7538	(BACKEND): Remove @GRAPHITE@.
7539	(tree-ssa-loop.o): Do not depend on TOPLEV_H.
7540	(graphite.o): Depend on TOPLEV_H.
7541
75422008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7543
7544	* Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7545	Remove typo left from polylib to ppl conversion.
7546	* graphite.c (graphite_transforms): Use sorry instead of fatal.
7547
75482008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7549
7550	* toplev.c (process_options): Move the graphite loop optimization
7551	flags...
7552	* tree-ssa-loop.c (graphite_transforms): ... here.
7553	When not configured with CLooG, print to dump_file that
7554	Graphite transforms were not performed.
7555	* gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7556	New.
7557	* gcc.dg/graphite/*.c: Updated all testcases to use
7558	scan-graphite-dump-times.
7559
75602008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7561
7562	* graphite.c (dot_scop, dot_all_scops): Do not call system.
7563	Do not open /tmp/scop.dot and /tmp/allscops.dot.
7564
75652008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7566	    Jan Sjodin  <jan.sjodin@amd.com>
7567
7568	* configure: Regenerated.
7569	* omp-low.c (expand_omp_sections): Remove now unused code.
7570	* config.in (HAVE_polylib): Removed.
7571	* configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7572	(PPLLIBS, PPLINC): Added.
7573	* graphite.c: Replace unsigned with int wherever possible.
7574	Don't access Cloog's data structures, but use accessor functions.
7575	Clast's stmt->type is now implemented as a vtable: change the
7576	switches of stmt->type into ifs.
7577	(polylib/polylibgmp.h): Don't include.
7578	(initialize_dependence_polyhedron,
7579	initialize_data_dependence_polyhedron, is_empty_polyhedron,
7580	statement_precedes_p, test_dependence, build_rdg_all_levels,
7581	dump_dependence_graph): Removed until this code is cleaned up
7582	or ported to Cloog.
7583	* Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7584	(POLYLIBINC): Renamed PPLINC.
7585
75862008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7587	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7588	    Jan Sjodin  <jan.sjodin@amd.com>
7589
7590	Finish the merge and tuplification of graphite.
7591
75922008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7593	    Jan Sjodin  <jan.sjodin@amd.com>
7594
7595	Partial merge from mainline (138072:138275).
7596	* graphite.c still has to be tuplified.
7597
75982008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7599
7600	* graphite.c (graphite_loops_mapping_max_loop_num): New.
7601	(create_num_from_index): New.
7602	(get_num_from_index): Also pass in the graphite BB.
7603	(free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7604	(build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7605	(graphite_trans_bb_strip_mine): Call create_num_from_index.
7606	(is_interchange_valid): Return false when failing.
7607	* graphite.h (struct num_map): New.
7608	(struct graphite_bb): New field num_map.
7609	(GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7610
76112008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7612
7613	* graphite.c (dump_gbb_conditions): Print also conditions like
7614	"if (a)".  Remove dublicated code and use print_generic_expr ().
7615	(stmt_simple_for_scop_p): Only allow conditions we can handle
7616	{<, <=, >, >=}.
7617
76182008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7619
7620	* graphite.h (struct scop): Removed new_ivs field.
7621	(SCOP_NEWIVS): Deleted.
7622	* graphite.c (new_scop, free_scop, clast_name_to_gcc,
7623	clast_to_gcc_expression, graphite_create_new_loop):
7624	Removed use of new_ivs.
7625
76262008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7627
7628	* graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7629	create_loops_mapping_num, debug_loop_mapping_1): New.
7630	(debug_loop_mapping): Call debug_loop_mapping_1.
7631	(get_loop_mapping_for_num,
7632	graphite_loops_mapping_add_child,
7633	graphite_loops_mapping_add_child_num,
7634	graphite_loops_mapping_insert_child,
7635	graphite_loops_mapping_parent,
7636	split_loop_mapped_depth_for_num,
7637	loop_mapped_depth_split_loop): New.
7638	(increment_loop_mapped_depths): Removed.
7639	(swap_loop_mapped_depth_for_num): Reimplemented.
7640	(new_scop): Call create_loops_mapping.
7641	(scop_record_loop): Call graphite_loops_mapping_insert_child.
7642	(translate_clast): Pass the old loop father in parameter, and pass
7643	it to get_old_iv_from_ssa_name.
7644	(remove_edges_around_useless_blocks, can_generate_code_stmt,
7645	can_generate_code, can_generate_for_scop): New.
7646	(graphite_trans_bb_block): Returns false when it fails to transform.
7647	* graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7648
76492008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7650
7651	Reverted all the changes related to the streamization and
7652	loop fusion.
7653	These changes are now tracked in the streamization branch.
7654
76552008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7656	    Jan Sjodin  <jan.sjodin@amd.com>
7657
7658	* graphite.c (gbb_compare): Correctly constify.
7659	(gbb_can_be_ignored): Indent.
7660	(graphite_trans_scop_swap_1and2): Add legality check.
7661	Remove dead FIXMEs.
7662
76632008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7664
7665	Remove fallouts from "Reverted the Condate changes".
7666	* tree.h: Remove unused decl.
7667	* gcc.dg/tree-checker: Same.
7668	* timevar.def: Remove counter.
7669
76702008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7671
7672	* Merge from mainline (135673:138072).
7673
7674	Reverted the MIRO changes (from 2008-04-05) that are now
7675	tracked in the miro branch.
7676	* tree-bounds.c: Removed.
7677	* tree-bounds.h: Removed.
7678
7679	Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7680	are now tracked in the condate branch.
7681	* tree-check.c: Removed.
7682	* tree-match.c: Removed.
7683	* condate.y: Removed.
7684
76852008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7686
7687	* common.opt: New user flag -floop-block, -floop-strip-mine
7688	and -floop-interchange.
7689	* toplev.c (process_options): Enable -fgraphite pass if any one of the
7690	graphite loop optimization flags is turned on.
7691	* graphite.c (graphite_apply_transformations): Add flag_loop_block,
7692	flag_loop_strip_mine and flag_loop_interchange checks before
7693	optimizations.
7694	* doc/invoke.texi: Remove -fgraphite and add -floop-block,
7695	-floop-strip-mine and -floop-interchange.
7696	* gcc.dg/graphite/block-0.c: Add -floop-block and remove
7697	-fgraphite.
7698	* gcc.dg/graphite/scop-16.c: Ditto.
7699	* gcc.dg/graphite/scop-17.c: Ditto.
7700	* gcc.dg/graphite/scop-18.c: Ditto.
7701
77022008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7703	    Sebastian Pop  <sebastian.pop@amd.com>
7704
7705	* cfgloopmanip.c (update_dominators_in_loop): Make it static.
7706	(create_empty_loop_on_edge): More fixes.
7707	* tree-phinodes.c (resize_phi_node): Extern.
7708	(unlink_phi_node, move_phi_node): New split from remove_phi_node.
7709	* cfghooks.c (update_dominator_information): New split from
7710	split_edge.
7711	* tree-vectorizer.c (rename_variables_in_bb): Extern.
7712	* tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7713	successor of the function entry block.
7714
7715	* graphite.c: Include pointer-set.h.
7716	(debug_loop_mapping, increment_loop_mapped_depths,
7717	get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7718	set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7719	swap_loop_mapped_depth_for_num, get_num_from_index,
7720	swap_loop_mapped_depth, loop_iv_stack_debug,
7721	loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7722	loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7723	get_old_iv_from_ssa_name): New.
7724	(new_scop): Initialize SCOP_LOOPS_MAPPING.
7725	(free_scop): Free SCOP_LOOPS_MAPPING.
7726	(scop_record_loop): Record old ivs.
7727	(create_var_name): Removed.
7728	(initialize_cloog_names): Allocate double space in case strip mine
7729	applies to all loops once.
7730	(clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7731	(clast_to_gcc_expression): Same.  Implement more clast to gimple
7732	translation.
7733	(graphite_create_new_loop): Pass in ivstack.
7734	(remove_all_edges): Pass in the construction_edge.
7735	(graphite_remove_iv): Removed.
7736	(graphite_rename_ivs, graphite_rename_ivs_stmt,
7737	remove_cond_exprs): Rewritten.
7738	(move_phi_nodes): New.
7739	(disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7740	(translate_clast): Pass in ivstack.  Rewrite some cases.
7741	(set_cloog_options, debug_clast_stmt): New.
7742	(find_transform): Use set_cloog_options.
7743	(outermost_loop_layer): Removed.
7744	(get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7745	find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7746	mark_old_loops, remove_dead_loops): New.
7747	(gloog): Rewritten.
7748	(graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7749	(const_column_index, get_first_matching_sign_row_index,
7750	get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7751	get_upper_bound): New.
7752	(graphite_trans_bb_strip_mine): Also update the iv map.
7753
7754	* graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7755	(struct name_tree): Add a loop field.
7756	(struct scop): Add a graphite_loops_mapping field.
7757	(SCOP_LOOPS_MAPPING): New.
7758	(debug_clast_stmt): Declare.
7759	* lambda.h (find_induction_var_from_exit_cond): Declare.
7760	(lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7761	* cfgloop.h (update_dominators_in_loop): Removed declaration.
7762	(create_empty_loop_on_edge): Updated.
7763	* tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7764	rename_variables_in_bb): Declare.
7765	* tree-cfg.c (remove_bb): Extern.
7766
7767	* gcc.dg/graphite/block-0.c: New.
7768
77692008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7770	    Sebastian Pop  <sebastian.pop@amd.com>
7771
7772	* graphite.c (strip_mine_profitable_p): New.
7773	(graphite_trans_bb_block): Disable strip mining if not profitable.
7774
7775	* gcc.dg/graphite/scop-18.c: New.
7776	* gcc.dg/graphite/scop-17.c: Fixed.
7777	* gcc.dg/graphite/scop-16.c: Fixed.
7778
77792008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7780	    Jan Sjodin  <jan.sjodin@amd.com>
7781	    Sebastian Pop  <sebastian.pop@amd.com>
7782
7783	* graphite.c (is_interchange_valid): New.
7784	(graphite_trans_bb_block): Check loop nest of basic block for legality
7785	of interchange.
7786
7787	* graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7788	outer_most_loop, gbb_outer_most_loop_index): New.
7789
7790	* tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7791	* tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7792	* gcc.dg/graphite/scop-16.c: New.
7793	* gcc.dg/graphite/scop-17.c: New.
7794
77952008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7796
7797	* graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7798	(graphite_trans_scop_block): Ignore SCoPs without bbs.
7799
78002008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7801
7802	* graphite.c (new_scop): Initialize SCOP_EXIT.
7803	(scopdet_info): Add.
7804	(scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7805	(build_scops_1): Cleanup, bugfixes.
7806	(build_scops): Cleanup.
7807
7808	* gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7809	* gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7810
78112008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7812
7813	* gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7814
7815	* gfortran.dg/graphite/graphite.exp: Use
7816	DEFAULT_GRAPHITE_FLAGS.
7817
7818	* gcc.dg/graphite/scop-15.c: Update to reduced test case.
7819
78202008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7821
7822	* graphite.c (scan_tree_for_params): Do not assert any more if
7823	MULT_EXPR parameter is negative.
7824
7825	* gfortran.dg/graphite/scop-1.f: New.
7826
7827	* gfortran.dg/graphite/graphite.exp: New.
7828
7829	* gcc.dg/graphite/scop-15.c: New.
7830
78312008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7832
7833	* graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7834
78352008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7836
7837	* graphite.c (graphite_trans_bb_swap_loops): Rename from
7838	graphite_swap_loops.
7839	(graphite_trans_bb_move_loop): New.
7840	(graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7841	(graphite_trans_bb_block): New.
7842	(graphite_trans_loop_block): New.
7843	(graphite_trans_scop_swap_1and2): Rename from
7844	graphite_trans_swap_1and2.
7845	(graphite_trans_scop_strip): Rename from graphite_trans_strip.
7846	(graphite_trans_scop_block): New.
7847	(graphite_apply_transformations): Rename from
7848	graphite_transformations.
7849
7850	* gcc.dg/graphite/scop-matmult.c: New.
7851
78522008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7853
7854	* graphite.c (gbb_compare): New.
7855	(graphite_sort_gbbs): New.
7856	(gbb_can_be_ignored): New.
7857	(scop_remove_ignoreable_gbbs): New.
7858	(graphite_transformations): Cleanup and add
7859	scop_remove_ignoreable_gbbs.
7860	* lambda.h (lambda_vector_compare): New.
7861
78622008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7863
7864	* graphite.c (print_graphite_bb): Correct printing of static schedule.
7865	(graphite_swap_loops): int -> unsigned
7866	(graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7867	(graphite_transformations): New.
7868	(graphite_transform_loops): Move to graphite_transformations.
7869	* graphite.h (gbb_nb_loops): Return unsigned.
7870
78712008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7872
7873	* graphite.c (scan_tree_for_params): Fix insertion of parameters into
7874	the domain matrix.  This makes scop-0.c work again.
7875
78762008-06-20  Richard Guenther  <rguenther@suse.de>
7877
7878	* graphite.h: Adjust copyright to GPLv3.
7879	* graphite.c: Likewise.
7880	(stmt_simple_memref_for_scop_p): Split out from ...
7881	(stmt_simple_for_scop_p): ... here.  Fix handling of calls
7882	and simplify.
7883	(get_bb_type): Optimize.
7884	(is_pred): Remove.
7885	(is_bb_addable): Fix memleak, replace is_pred call with
7886	single_pred.
7887	(build_scops): Use current_loops.
7888	(param_index): Fix memleak.
7889
78902008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7891
7892	* graphite.c: Fix formatting.
7893
78942008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7895
7896	* graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7897	(free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7898	(create_var_name, save_var_name): Newly defined functions.
7899	(initialize_cloog_names): Part of the code factored out to
7900	save_var_name.
7901	(clast_to_gcc_expression): Now handles the case of clast_red_sum
7902	in clast_reduction statement.
7903	(graphite_create_new_loop): Now takes a new parameter
7904	for outer_loop.
7905	(translate_clast): Now also takes the context_loop and bb_exit
7906	parameters. Rewritten the code so that it creates a gimple code
7907	inside the given context.
7908	(outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7909	remove_cond_expr, disconnect_cond_expr,
7910	disconnect_virtual_phi_nodes): Newly defined functions.
7911	* graphite.h (struct scop): added old_ivs vector.
7912	SCOP_OLDIVS: New macro.
7913
79142008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7915
7916	* cfgloopmanip.c: Add missing function comments, fix formatting.
7917
79182008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7919
7920	* cfgloopmanip.c (update_dominators_in_loop): Defined.
7921	(create_empty_loop_on_edge): Defined.
7922	* tree-parloops.c (canonicalize_loop_ivs): Returns tree
7923	instead of void.
7924	* cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7925	(update_dominators_in_loop): Declared as extern
7926	* tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7927
79282008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7929
7930	* graphite.c (print_graphite_bb): Allow changing number of loops
7931	in SCoP domain.
7932	(initialize_cloog_names): Allow changing number of loops.
7933	(build_cloog_prog): Simplify.
7934	(find_transform): Enable cloog option --strides.
7935	(graphite_swap_loops): New.
7936	(graphite_strip_mine_loop): New.
7937	(graphite_trans_swap_1and2): New.
7938	(graphite_trans_strip): New.
7939	(graphite_transform_loops): Add graphite_trans_strip.
7940	* graphite.h (scop_max_loop_depth): New.
7941
79422008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7943
7944	* graphite.c (build_scop_iteration_domain): Remove forgotten
7945	line. (Fixes compile)
7946
79472008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7948
7949	* graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7950	(build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7951	(build_bb_loops): New.
7952	(graphite_transform_loops): Add build_bb_loops.
7953	(schedule_to_scattering): Use gbb_nb_loops to support changing loop
7954	numbers.
7955	* graphite.h (graphite_bb): Add loops.
7956	(gbb_nb_loops): New.
7957	(gbb_loop_at_index): New.
7958	(gbb_loop_index): New.
7959	(nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7960	using nb_params_in_scop.
7961
79622008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7963
7964	* graphite.c (print_graphite_bb): Adapt to minimized schedule.
7965	(build_scop_canonical_schedules): Build minimized schedule.
7966	(schedule_to_scattering): Adapt to minimized schedule.
7967	* graphite.h (graphite_bb): Add/Update descriptions.
7968
79692008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7970	    Tobias Grosser  <grosser@fim.uni-passau.de>
7971
7972	* graphite.c (print_graphite_bb): Add condition printing.
7973	(dump_value): New.
7974	(dump_gbb_conditions): New.
7975	(build_scop_conditions_1): New.
7976	(build_scop_conditions): New.
7977	* graphite.h (graphite_bb): Add conditions.
7978
79792008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7980
7981	* graphite.c (print_graphite_bb):
7982	(free_graphite_bb): New.
7983	(free_scop): Free bbs.
7984	(get_bb_type): Free doms.
7985	(build_scop_context): Free context matrix.
7986	(build_loop_iteration_domains): Remove unused code.
7987	(build_cloog_prog): Free scattering function and blocklist.
7988	(find_transform): Free options.
7989
79902008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7991
7992	* graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7993	Remove unnecessery cloog data structures. Make a copy of the domain
7994	(setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7995	unnecessary cloog data structures. Fix memory leaks. Remove insert
7996	into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7997	used.
7998	(build_scop_iteration_domain): Remove unnecessary cloog
7999	data structures.  Fix memory leaks.
8000	(graphite_transform_loops): Disable build_scop_dynamic_schedules as it
8001	uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
8002
80032008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8004
8005	* graphite.c (find_scop_params): Remove initialize_cloog_names.
8006
80072008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8008
8009	* graphite.c (end_scop): Style fix.
8010	(schedule_to_scattering): Style and comment fix.
8011
80122008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8013	* graphite.c (print_graphite_bb): Fix definiton of
8014	schedule_to_scattering.
8015	(initialize_cloog_names): Change nb_scattdims to max loop
8016	depth in SCoP.
8017	(schedule_to_scattering): Take parameter for number of scattering
8018	dimensions.
8019	(build_cloog_prog): Only build as much scattering dimensions as
8020	necessary.
8021
80222008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
8023
8024	* graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
8025	in polyhedron/aermod.f90.
8026
80272008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
8028	    Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
8029	    Harsha Jagasia  <harsha.jagasia@amd.com>
8030
8031	* graphite.c (is_bb_addable): Fix segfault.
8032
80332008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
8034
8035	* graphite.c (is_bb_addable): Fix memory leak, handling of loops
8036	with multiple exits and conditional handling in edge cases.
8037	(is_loop_exit): Fix memory leak. (Forgotten in last commit)
8038
8039	* gcc.dg/graphite/scop-14.c: New.
8040
80412008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8042	    Adrien Eliche  <aeliche@isty.uvsq.fr>
8043
8044	* graphite.c (is_bb_addable): Add more comments and enhance
8045	readablity of the source code. Fix memory leak.
8046	(is_loop_exit): Fix memory leak.
8047
80482008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
8049
8050	* graphite.c (first_loop_in_scop): Deleted.
8051	(setup_cloog_loop): Only walk the loop chain for inner loops.
8052	(build_scop_iteration_domain): Execute setup_cloog_loop for
8053	all loops in the first layer.
8054
80552008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
8056
8057	* graphite.c (scan_tree_for_params): Change the way params are
8058	added to be indepenent of the number of loops.
8059	(setup_cloog_loop): Revert to short matrix format. Fix parameter
8060	handling.
8061	(build_cloog_prog): Revert to short matrix format.
8062
80632008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
8064	    Dwarak Rajagopal <dwarak.rajagopal@amd.com>
8065
8066	* tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
8067	warning.
8068
80692008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
8070
8071	* graphite.c (nb_data_refs_in_scop): New.
8072	(graphite_transform_loops): Print more stats: number of
8073	loops, basic blocks and data references per scop.
8074
80752008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8076	    Jan Sjodin  <jan.sjodin@amd.com>
8077
8078	* graphite.c (loop_affine_expr, idx_record_params,
8079	find_scop_parameters, setup_cloog_loop): Use instantiate_scev
8080	instead of instantiate_parameters.
8081
80822008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8083
8084	* graphite.c (schedule_to_scattering): Fix scattering dimensions,
8085	add support for parameters, add STATIC_SCHEDULE at the right places,
8086	cleanup.
8087
80882008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8089
8090	* graphite.c (build_scop_loop_nests): Only add the loops, that
8091	are contained completely in the SCoP.
8092	(build_cloog_prog): Disable scattering, until schedule_to_scattering
8093	and the domains are fixed.
8094	(build_scop_canonical_schedules): Add support for bbs not contained
8095	in any SCoP.
8096
80972008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8098
8099	* graphite.h (scop_contains_loop): Update comments to match
8100	the actual behavior.
8101	(scop_contains_loop): New.
8102	* graphite.c (schedule_to_scattering): Use scop_contains_loop.
8103
81042008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8105
8106	* graphite.c (get_bb_type): On function body, i.e. loop_0,
8107	don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
8108	as GBB_COND_HEADER.
8109
81102008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8111	    Tobias Grosser  <grosser@fim.uni-passau.de>
8112
8113	* graphite.c (graphite_transform_loops): Early return when
8114	there are no loops in the function.
8115
81162008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8117	    Jan Sjodin  <jan.sjodin@amd.com>
8118
8119	* graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
8120	offset of the last loop.
8121	(setup_cloog_loop): Copy the entire outer constraint matrix.
8122
81232008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8124	    Jan Sjodin  <jan.sjodin@amd.com>
8125
8126	* graphite.c (stmt_in_scop_p, function_parameter_p,
8127	invariant_in_scop_p): Removed.
8128	(scan_tree_for_params): Can be used with no constraint
8129	matrix for gathering parameters.
8130	(idx_record_params): Don't use idx_record_param, instead use
8131	scan_tree_for_params.
8132	(find_scop_parameters): Same.
8133	(setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
8134	Fix the size of loop domains.
8135	(schedule_to_scattering): Exit when the outer loop is not in scop.
8136	(find_transform): Enable build_cloog_prog.
8137
81382008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8139	    Jan Sjodin  <jan.sjodin@amd.com>
8140
8141	* graphite.c (schedule_to_scattering): Make scattering domains
8142	uniformly of the same size, as required by CLooG 0.14.0 and before.
8143
81442008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8145	    Jan Sjodin  <jan.sjodin@amd.com>
8146
8147	* graphite.c (schedule_to_scattering): Rewrite, correct the
8148	translation of the scheduling function to scattering.
8149	(build_cloog_prog): Call schedule_to_scattering only once.
8150	* graphite.h (scop_loop_index): Do not fail for loops not
8151	in the scop: return -1.
8152
81532008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
8154
8155	* graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
8156	(loop_body_to_cloog_stmts): Export GBB_DOMAIN.
8157	(setup_cloog_loop): Export GBB_DOMAIN.
8158	(build_cloog_prog): New.  Create new CLOOG_PROG, which should be
8159	able to rebuild the original control flow.
8160	* graphite.h (graphite_bb): Add domain field and access macro.
8161	(GBB_DOMAIN): New.
8162
81632008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8164
8165	* graphite.c (debug_gbb): New.
8166	(print_scop, build_graphite_bb): Use SCOP_BBS.
8167	(build_scop_bbs): Reimplemented.
8168	(dfs_bb_in_scop_p): Removed.
8169	(build_scop_loop_nests): Reorder loops inserted in
8170	SCOP_LOOP_NEST: outer loops should come first.
8171	(build_scop_canonical_schedules): Reinitialize at zero
8172	the components of the SCOP_STATIC_SCHEDULE for the loops
8173	that have already been parsed.
8174
8175	* graphite.h (debug_gbb): Declared.
8176
81772008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8178	    Jan Sjodin  <jan.sjodin@amd.com>
8179
8180	* graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
8181	(graphite_loop_to_gcc_loop): Removed.
8182	(remove_all_edges): New.
8183	(graphite_stmt_to_gcc_stmt): Renamed translate_clast.
8184	(gloog): Remove useless code.
8185
81862008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8187
8188	* graphite.c (get_bb_type): Reworked. We distinguish between
8189	loops with one or multiple exits.
8190	(is_loop_exit): New.
8191	(is_pred): New.
8192	(is_bb_addable): Rework condition handling, now support for case
8193	case statements and loops with multiple exits.
8194
8195	* gcc.dg/graphite/scop-11.c: New.
8196	* gcc.dg/graphite/scop-12.c: New.
8197	* gcc.dg/graphite/scop-13.c: New.
8198
81992008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8200
8201	* graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
8202	we have too many colors.
8203
82042008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
8205
8206	* doc/invoke.texi (-ftree-loop-fusion): Document.
8207	* tree-pass.h (pass_loop_fusion): Declared.
8208	* tree-loop-fusion.c: New.
8209	* timevar.def (TV_TREE_LOOP_FUSION): Declared.
8210	* tree-data-ref.c (find_data_references_in_loop): Make extern.
8211	* tree-data-ref.h (find_data_references_in_loop): Declared.
8212	* common.opt (ftree-loop-fusion): Declared.
8213	* Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
8214
82152008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
8216
8217	* graphite.c (build_access_matrix): Fix typo from the merge.
8218
82192008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
8220
8221	* Merge from mainline (130800:135673).
8222
82232008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8224
8225	* graphite.c (end_scop): The exit of the scop is not part of the scop.
8226	Update dominators after splitting.
8227
82282008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8229
8230	* graphite.c (is_bb_addable): Return the harmful statement.
8231	Factor up some code.
8232	(end_scop): New.  Splits end of scope bbs on a harmful statement.
8233	(build_scops_1): Call end_scop.
8234
82352008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8236
8237	* graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
8238	all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
8239	add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
8240	build_scops_1): Removed.
8241	(build_scops_2): Renamed build_scops_1.
8242
82432008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8244
8245	* graphite.c: Fix formatting.
8246
82472008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8248
8249	* graphite.c (get_bb_type): New.
8250	(move_scops): New.
8251	(build_scops_2): New.
8252	(is_bb_addable): New.
8253	(build_scops): Switch the scop detection.
8254	(build_scop_bbs): Add entry bb to scop.
8255	* graphite.h (struct scop): Update comment.
8256
82572008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8258
8259	* graphite.c (dot_all_scops_1): Fix some incorrect colors and add
8260	more colors.
8261
82622008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8263
8264	* gcc.dg/graphite/scop-1.c: Update.
8265	* gcc.dg/graphite/scop-2.c: Update.
8266	* gcc.dg/graphite/scop-4.c: Update.
8267	* gcc.dg/graphite/scop-5.c: Add.
8268	* gcc.dg/graphite/scop-6.c: Add.
8269
82702008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8271
8272	* gcc.dg/graphite/scop-0.c: Add.
8273	* gcc.dg/graphite/scop-7.c: Add.
8274	* gcc.dg/graphite/scop-8.c: Add.
8275	* gcc.dg/graphite/scop-9.c: Add.
8276	* gcc.dg/graphite/scop-10.c: Add.
8277
82782008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8279
8280	* graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
8281	Check affine expressions depending on the outermost loop
8282	instead of a scop.
8283	(stmt_simple_for_scop_p): Same.
8284	(harmfule_stmt_in_scop): Same.
8285
82862008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
8287
8288	* graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
8289	mark entry and exit, that are not part of the SCoP and update HTML
8290	formatting.
8291
82922008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
8293
8294	* graphite.c (basic_block_simple_for_scop_p): Renamed
8295	harmful_stmt_in_bb.
8296	(save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
8297	(add_dominators_to_open_scops, build_scops_1): Reimplemented.
8298	(all_preds_visited_p, all_succs_visited_p,
8299	start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
8300	scop_end_loop): New.
8301	(build_scops): Do not use dfs_enumerate_from.
8302
8303	* gcc.dg/graphite/scop-{1,2,4}.c: Updated.
8304
83052008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8306
8307	* graphite.c: Add comments to functions that are missing a
8308	description.
8309	(graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
8310
83112008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8312
8313	* graphite.c (nb_params_in_scop): Moved...
8314	(graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
8315	(setup_cloog_loop): Call loop_body_to_cloog_stmts.
8316	(clast_to_gcc_expression): Reduce column size to less than 80.
8317	(graphite_create_iv): Return the new name of the IV.
8318	(find_transform): Set options->esp and options->cpp.
8319	(gloog): Comment out the invalidation of the old loop code.
8320	(initialize_dependence_polyhedron): Replace scop_nb_params with
8321	nb_params_in_scop.
8322
8323	* graphite.h (nb_params_in_scop): ... here.
8324	(scop_nb_params): Removed.
8325	(loop_domain_dim): Return something even when the loop was not
8326	found in the hash table: avoid ICEing on all the graphite.exp
8327	testcases.
8328
83292008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8330
8331	* tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
8332
8333	* graphite.c (build_scop_dynamic_schedules): Schedule is built
8334	according to nesting level.
8335	(find_scop_parameters): Call instantiate_parameters.
8336	(scan_tree_for_params): Extend it to handle general affine bounds.
8337	Inner loop bound can depend on outer loop induction variable.
8338	(setup_cloog_loop): tmp variable is allocated on stack. Call
8339	instantiate_parameters with respect to outermost_loop_in_scop.
8340	(loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
8341	graphite.h.
8342	(create_empty_loop): Function loopify should be given edge
8343	probability, instead of edge frequency. Dominance relation from
8344	switch_bb to loop_header.
8345	(clast_to_gcc_expression): Added handling of clast_reduction node.
8346	(gloog): New functionality for removing old loop.
8347	(test_dependence): Factored out from build_rdg_all_levels.
8348	(build_rdg_all_levels): Dependence testing factored out to
8349	test_dependence function.
8350
8351	* graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8352	(loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8353	from graphite.c
8354
83552008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8356
8357	* graphite.c (free_scop, param_index, initialize_cloog_names,
8358	nb_params_in_scop): Use name_tree map instead of just a tree
8359	for keeping track of the variable name associated to that tree.
8360	(create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8361	clast_to_gcc_expression, graphite_create_iv,
8362	graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8363	graphite_stmt_to_gcc_stmt): New.
8364	(gloog): Call these.
8365	* graphite.h (struct name_tree): New.
8366	(struct scop): Use name_tree instead of tree for params.
8367	Store a vector of name_tree for new_ivs.
8368	(SCOP_NEWIVS): New.
8369	(scop_nb_params): Use name_tree instead of tree.
8370
83712008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8372	    Sebastian Pop  <sebastian.pop@amd.com>
8373
8374	* tree-bounds.c: New.
8375	* tree-bounds.h: New.
8376	* tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8377	* passes.c: Schedule pass_bounds_early, pass_bounds_late.
8378	* builtins.c (expand_builtin_alloca): Add flag_bounds as for
8379	flag_mudflap.
8380	* gcc.c: Same.
8381	* toplev.c: Same.
8382	* c-cppbuiltin.c: Same.
8383	* c-pragma.c: Same.
8384	* common.opt: Same.
8385	* varasm.c: Same.
8386	* tree-outof-ssa.c: Same.
8387	* c-common.c: Same.
8388	* Makefile.in: Same.
8389
83902008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8391	    Sebastian Pop  <sebastian.pop@amd.com>
8392
8393	* tree-loop-distribution.c (remaining_stmts,
8394	upstream_mem_writes): Removed static variables.
8395	(copy_loop_before, create_bb_after_loop,
8396	mark_nodes_having_upstream_mem_writes, free_rdg_components,
8397	rdg_build_components, rdg_build_partitions,
8398	dump_rdg_partitions): Extern.
8399	(generate_loops_for_partition, generate_code_for_partition): Do not
8400	return a bool.
8401	(already_processed_vertex_p, predecessor_has_mem_write,
8402	mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8403	rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8404	rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8405	build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8406	Pass remaining_stmts and upstream_mem_writes as parameters.
8407	(rdg_component): Moved...
8408	(build_rdg_partition_for_component): Do not aggregate components when
8409	flag_streamize_loops is set.
8410	(gen_sequential_loops): New.
8411	(ldist_gen): Call gen_sequential_loops.
8412
8413	* tree-pass.h (pass_loop_streamization): Declared.
8414
8415	* omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8416	basic blocks when loops structures exist.
8417
8418	* builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8419
8420	* tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8421
8422	* tree-parloops.c (take_address_of, eliminate_local_variables_1,
8423	eliminate_local_variables_stmt, eliminate_local_variables,
8424	separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8425	separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8426	of code delimited by two edges in the CFG.
8427	(separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8428	(separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8429	(separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8430	the case of parallelisation of reductions.
8431	(create_loop_fn): Extern.
8432	(create_omp_parallel_region): New.
8433
8434	* tree-data-ref.c (dump_data_dependence_relation): Don't call
8435	dump_data_reference for printing dra and drb.
8436	(create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8437	RDGE_RELATION.
8438	(build_rdg): Don't call free_dependence_relations for the moment, as
8439	we attach dependence relations on each edge of the RDG.
8440	To be fixed later.
8441
8442	* tree-data-ref.h (rdg_component): ...here.
8443	(struct rdg_edge): New field ddr_p relation.
8444	(RDGE_RELATION): New.
8445	(create_bb_after_loop, copy_loop_before,
8446	mark_nodes_having_upstream_mem_writes, rdg_build_components,
8447	rdg_build_partitions, dump_rdg_partitions,
8448	free_rdg_components): Declared.
8449
8450	* omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8451	BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8452
8453	* tree-loop-streamization.c: New.
8454
8455	* tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8456	create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8457
8458	* Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8459
8460	* tree-cfg.c (gather_blocks_in_sese_region): Extern.
8461
8462	* passes.c: Schedule pass_loop_streamization.
8463
84642008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8465
8466	* graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8467	update comment.
8468
84692008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8470
8471	* graphite.c (dot_all_scops): Update formatting.
8472	Bbs can now be part of more than one SCoP.
8473
84742008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8475
8476	* graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8477	malloc problems.
8478	(loop_domain_dim): Check for unregistered toplev SCOP loop.
8479	* graphite.h (loop_to_cloog_loop): New.
8480
84812008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8482
8483	* graphite.c (loop_domain_dim, ref_nb_loops,
8484	loop_iteration_vector_dim): New.
8485	(build_access_matrix_with_af, build_access_matrix,
8486	initialize_dependence_polyhedron): Fixed for new matrix layout.
8487	No longer assume that all iteration domains are of the same
8488	dimensionality.
8489
84902008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8491
8492	* tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8493	defined in a loop at depth 0 is invariant.
8494	* tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8495	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8496	be called at loop depth 0.
8497
8498	* graphite.c (basic_block_simple_for_scop_p): Take the scop as
8499	a parameter.
8500	(dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8501	(down_open_scop): Removed.
8502	(loop_in_scop_p): Redefined.
8503	(scop_affine_expr): New argument: scop.
8504	(stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8505	a harmful statement ending a scop.
8506	(basic_block_simple_for_scop_p): New argument: scop.
8507	(get_loop_start): Removed.
8508	(new_scop): Initialize SCOP_LOOPS.
8509	(free_scop): Free SCOP_LOOPS.
8510	(succs_at_same_depth, preds_at_same_depth): New.
8511	(end_scop): Test the validity of a scop.
8512	(add_dominators_to_open_scops): New.
8513	(test_for_scop_bound): Call add_dominators_to_open_scops.
8514	Add cases for opening and closing multiple scops.
8515	(build_scops, build_scop_bbs): Iterate over basic blocks in
8516	depth first order.
8517	(build_graphite_bb): Pass scop directly.
8518	(dfs_bb_in_scop_p): New.
8519	(scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8520	several times.
8521	(nb_loops_around_gb): Use loop_in_scop_p.
8522	(schedule_to_scattering): Disabled for the moment the code computing
8523	the "textual order for outer loop".
8524
8525	* graphite.h (struct scop): New field loops.
8526	(SCOP_LOOPS): New.
8527	(scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8528
8529	* gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8530
85312008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8532	    Sebastian Pop  <sebastian.pop@amd.com>
8533
8534	* builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8535	* common.opt (fstreamize-loops): New.
8536	* omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8537	BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8538	BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8539	BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8540
85412008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8542
8543	* tree-data-ref.c (build_empty_rdg): New.
8544	(build_rdg): Use it.
8545	* tree-data-ref.h (build_empty_rdg): Declared.
8546	* graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8547	(find_vertex_for_stmt): Removed.
8548	(build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8549
85502008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8551
8552	* tree-loop-distribution.c (generate_builtin): After cancelling the
8553	loop tree, also delete basic blocks.
8554	(rdg_flag_uses): Stop recursion when a vertex has already been
8555	processed.
8556
85572008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8558
8559	* graphite.c (build_scop_alpha): Removed.
8560	(graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8561	and dump_dependence_graph to avoid compiler warnings.
8562
85632008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8564
8565	* tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8566	* tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8567	* graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8568	eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8569	(new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8570	(initialize_dependence_polyhedron, find_vertex_for_stmt,
8571	initialize_data_dependence_polyhedron, is_empty_polyhedron,
8572	statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8573	dump_dependence_graph): New.
8574	* graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8575	(GBB_ALPHA): New.
8576	(struct scop): New field loop2cloog_loop.
8577	(SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8578	RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8579
85802008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8581
8582	* graphite.c (build_graphite_bb): Fix initialization
8583	of the graphite basic block.
8584
85852008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8586
8587	* graphite.c (scan_tree_for_params): Rewrite for the new layout of
8588	loop domain matrix.  Pass in the number of loops contained in the
8589	constraint matrix.
8590	(nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8591	(setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8592	loops that are not surrounding the current loop are not represented
8593	in the domain constraint matrix.
8594	(build_scop_iteration_domain): Initial domain constraint matrix
8595	contains only the eq/ineq, cst, and scop parameters columns.
8596
85972008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8598
8599	* graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8600	(print_graphite_bb): Print scattering.
8601
86022008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8603
8604	* graphite.c (initialize_cloog_names): Initialize names of
8605	scattering variables.
8606
86072009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8608
8609	* graphite.c (dot_all_scops_1): Disable debug output while
8610	printing graph.
8611
86122008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8613
8614	* graphite.c (find_transform): Change cloog output language to C.
8615
86162008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8617
8618	* tree-loop-distribution.c (generate_memset_zero,
8619	generate_builtin, generate_code_for_partition,
8620	rdg_flag_all_uses): New.
8621	(rdg_flag_uses): Gather in the same partition the statements defining
8622	the VUSES of the current statement.
8623	(rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8624	Gather in the same partition not only the stores to the same memory
8625	access, but also the reads.
8626	(ldist_generate_loops): Renamed ldist_gen.
8627
86282008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8629	    Tobias Grosser  <grosser@fmi.uni-passau.de>
8630
8631	* graphite.c (setup_cloog_loop): Chain all cloog loops with the
8632	next pointer, don't use the inner pointer.
8633
86342008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8635
8636	* graphite.c (dot_all_scops, dot_all_scops_1): New.
8637	(find_transform): Call dot_all_1.
8638	* graphite.h (dot_all_scops): Declared.
8639
86402007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8641
8642	* tree-loop-distribution.c: Fix apsi.f ICE.
8643	(create_bb_after_loop): New.
8644	(generate_loops_for_partition): Use it.
8645	* gfortran.dg/ldist-1.f90: New.
8646
8647	* tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8648	* graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8649
86502007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8651
8652	* graphite.c (find_transform): Dump cloog program sent to cloog.
8653
86542007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8655
8656	* graphite.c (initialize_cloog_names): Initialize cloog
8657	iterator names.
8658
86592007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8660
8661	* graphite.c (build_scop_context): Fix typo, for the matrix
8662	format: insert '0 >= 0' instead of '-1 >= 0'.
8663
86642007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8665
8666	* Fix merge problems.
8667
86682007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8669
8670	* graphite.c (setup_cloog_loop): Fix typo.
8671
86722007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8673
8674	* doc/invoke.texi (-ftree-loop-distribution): Documented.
8675	* tree-loop-distribution.c: Reimplemented.
8676	* tree-pass.h (pass_loop_distribution): New.
8677	* tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8678	print_loops.
8679	* graphds.h (struct graph): New field indexes.
8680	* timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8681
8682	* tree-vect-analyze.c: Remove declaration of static functions when not
8683	needed.
8684	* tree-vectorizer.c: Same.
8685	(rename_variables_in_loop): Now extern.
8686	(slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8687	tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8688	calling redirect_edge_and_branch_force.
8689
8690	* tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8691
8692	* tree-data-ref.c: Don't include tree-chrec.h.
8693	(debug_data_dependence_relations): New.
8694	(dump_data_dependence_relation): Call dump_data_reference on data refs
8695	in the relation.
8696	(same_access_functions): Moved...
8697	(find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8698	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8699	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8700	struct rdg_vertex_info, ): New.
8701	(create_rdg_edge_for_ddr): Compute the dependence level before looking
8702	at DDR_REVERSED_P.
8703	(create_rdg_vertices): Initialize the htab of graph->indexes.
8704	Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8705	(stmts_from_loop): Don't save LABEL_EXPR.
8706	(hash_stmt_vertex_info, eq_stmt_vertex_info,
8707	hash_stmt_vertex_del): New.
8708	(build_rdg): Initialize rdg->indexes.
8709	(free_rdg, stores_from_loop, ref_base_address,
8710	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8711	have_similar_memory_accesses_1, ref_base_address_1,
8712	remove_similar_memory_refs): New.
8713
8714	* tree-data-ref.h: Include tree-chrec.h.
8715	(debug_data_dependence_relations): Declared.
8716	(same_access_functions): ...here.  Now static inline.
8717	(ddr_is_anti_dependent, ddrs_have_anti_deps,
8718	ddr_dependence_level): New.
8719	(struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8720	(RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8721	RDG_MEM_READS_STMT): New.
8722	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8723	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8724	rdg_vertex_for_stmt): Declared.
8725	(struct rdg_edge): New field level.
8726	(RDGE_LEVEL, free_rdg): New.
8727	(stores_from_loop, remove_similar_memory_refs,
8728	rdg_defs_used_in_other_loops_p,
8729	have_similar_memory_accesses): Declared.
8730	(rdg_has_similar_memory_accesses): New.
8731
8732	* lambda.h (dependence_level): New.
8733	* common.opt (ftree-loop-distribution): New.
8734	* tree-flow.h (debug_loop_ir): Renamed debug_loops.
8735	(print_loop_ir): Renamed print_loops.
8736	(debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8737	tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8738	* Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8739	(tree-loop-distribution.o): Added.
8740	* tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8741	(mark_virtual_ops_in_bb): New.
8742	(print_loops_bb, debug_loop_num, debug_loop): New.
8743	* passes.c: Scheduled pass_loop_distribution.
8744
87452007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8746
8747	* graphite.c (scan_tree_for_params): Correct the number of columns
8748	for polylib format.
8749	(nb_flat_iterator): New.
8750	(setup_cloog_loop): Initialize to 1 the first column for inequalities.
8751	(build_scop_iteration_domain): Correct the number of columns for
8752	polylib format.
8753
87542007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8755
8756	* Merge from mainline (129697:130800).
8757
87582007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8759
8760	* graphite.c (build_graphite_bb): SCoP's basic blocks are post
8761	dominated by SCoP's exit.
8762	(graphite_transform_loops): Compute post dominators.
8763
87642007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8765
8766	* Merge from mainline (127169:129697).
8767
87682007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8769
8770	* graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8771	parameter for the basic block that contains the expression.  Use
8772	outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8773	(stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8774	the expression.
8775	* graphite.h (gbb_loop): New.
8776	(GBB_LOOP): Removed.
8777
87782007-08-03  Sebastian Pop  <sebpop@gmail.com>
8779
8780	* Makefile.in: Fix merge problem.
8781
87822007-08-03  Sebastian Pop  <sebpop@gmail.com>
8783
8784	* Merge from mainline (125309:127169).
8785	* tree-loop-distribution.c: Disabled.
8786
87872007-06-05  Sebastian Pop  <sebpop@gmail.com>
8788
8789	* Merge from mainline (r123693:125309).
8790
87912007-05-30  Sebastian Pop  <sebpop@gmail.com>
8792
8793	* tree-loop-distribution.c (correct_modify_expr_p): Renamed
8794	correct_modify_p
8795	(correct_modify_p, check_statements, number_of_lvalue_uses,
8796	number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8797	instead of MODIFY_EXPR.
8798	(update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8799	and push new edges.
8800
88012007-05-24  Sebastian Pop  <sebpop@gmail.com>
8802
8803	* tree-loop-distribution.c (struct rdg): Replace arrays by
8804	VECs for edges and vertices.
8805	(RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8806	(RDGV_NB_PARTITIONS): New.
8807	(PRDG_NBV, PRDG_NBE): Removed.
8808	(build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8809	dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8810	number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8811
88122007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8813	    Sebastian Pop  <sebpop@gmail.com>
8814
8815	* doc/invoke.texi (-ftree-loop-distribution): Document.
8816	* tree-loop-distribution.c: New file.
8817	* tree-pass.h (pass_loop_distribution): Declared.
8818	* timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8819	* tree-data-ref.c (initialize_data_dependence_relation): Initialize
8820	and set reversed_p.
8821	* tree-data-ref.h (data_dependence_relation): Add reversed_p.
8822	(DDR_REVERSED_P): New.
8823	* common.opt (-ftree-loop-distribution): New.
8824	* tree-flow.h (distribute_loops): Declared.
8825	* Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8826	* passes.c (init_optimization_passes): Schedule loop distribution.
8827
88282007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8829
8830	* graphite.c (print_graphite_bb): Don't call dump_data_references.
8831	(print_scop): Don't print when scop is NULL.
8832	(build_scop_context, find_transform): Don't output to stderr.
8833
88342007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8835
8836	* tree-data-ref.c: Don't include graphite.h.
8837	Comment out the code for printing data reference's scop.
8838	(build_access_matrix_with_af): Moved...
8839	* tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8840	* graphite.c (build_access_matrix_with_af): ... here.  Now static.
8841	(print_graphite_bb): Print basic block's schedule.
8842	(print_scop): Don't print the schedule, call cloog's pretty printer.
8843	(bb_in_scop_p): A basic block is in a scop only if it is both
8844	dominated and postdominated by the scop's entry and exit basic blocks.
8845	(function_parameter_p): New.
8846	(invariant_in_scop_p): Use function_parameter_p.
8847	(new_scop, save_scop): New.
8848	(end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8849	save_scop.
8850	(scan_tree_for_params): Directly build the constraint as CloogMatrix.
8851	(loop_in_scop_p): New.
8852	(scop_record_loop): Use loop_in_scop_p.
8853	(build_scop_domain): Renamed build_scop_iteration_domain.
8854	(setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8855	nb_params_in_scop, build_scop_context, first_loop_in_scop,
8856	setup_cloog_loop, dot_scop_1, dot_scop): New.
8857	* graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8858	(struct scop): Add a pointer to cloog's representation of a program.
8859
88602007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8861
8862	* doc/invoke.texi (-ftree-check-verbose): Renamed
8863	-ftree-checks-verbose.
8864	* common.opt (flag_tree_check_verbose): Renamed
8865	flag_tree_checks_verbose.
8866	* tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8867
88682007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8869
8870	* configure: Regenerated.
8871	* config.in: Regenerated.
8872	* tree-ssa-loop.c (graphite_transforms): Execute
8873	graphite_transform_loops only when HAVE_cloog.
8874	* configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8875	* graphite.c: Include polylibgmp.h and cloog.h.
8876	(graphite_transform_loops): Removed loops parameter.
8877	* tree-flow.h (graphite_transform_loops): Update declaration.
8878	* Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8879	(LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8880	(INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8881	(OBJS-common): Remove dependence on graphite.o.
8882	(BACKEND): Depend on @GRAPHITE@.
8883
88842007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8885
8886	* doc/invoke.texi (-ftree-check-verbose): Documented.
8887	* gcc.dg/tree-checker/tree-checks-1.c: New.
8888	* gcc.dg/tree-checker/tree-checks-2.c: New.
8889	* gcc.dg/tree-checker/tree-checks-3.c: New.
8890	* gcc.dg/tree-checker/tree-checks-4.c: New.
8891	* gcc.dg/tree-checker/tree-checks.exp: New.
8892	* gcc.dg/tree-checker/condates.crp: New.
8893	* common.opt (ftree-checks-verbose): New.
8894	* tree-check.c (tree_check_warning): Move extra stderr output
8895	under control of flag_tree_check_verbose.
8896
88972007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8898
8899	* tree-match.c: Fix comments formatting.
8900	* tree-match.h: Fix comments formatting.
8901	* tree-check.c: Fix comments formatting.
8902	(tree_check_init): Restructure.
8903
89042007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8905
8906	* doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8907
89082007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8909
8910	* Merge from mainline (r120733:123693).
8911
89122007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8913
8914	* condate.y: New file.
8915	* tree-match.h (struct patt_info_s): New field sign.
8916	(struct condate_s): New field msg.
8917	(normalize_condate, name_condate, add_condate): New.
8918	(conds[], condate_parse): Made extern.
8919	* tree-check.c (tree_check_warning): First arg changed to cond;
8920	warning reformatted.
8921	(tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8922	(tree_scan): New.
8923	(tree_check): Process trivial condates.
8924	(read_delimited_string): Removed.
8925	(print_cond): Print name and msg.
8926	(conds[]): Made extern.
8927	(parse_tree_check_file_once): Rewritten to use the parser in
8928	condate.y.
8929	Processing of option --tree_check_string moved to tree_scan().
8930	* Makefile.in: Added condate.y
8931
89322007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8933
8934	* tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8935	Use VECs instead of varrays.
8936	* diagnostic.h (lazy_dump_generic_node): Update declaration.
8937	* Makefile.in (pretty-print.o): Depend on vec.h.
8938	* pretty-print.c: Include tree.h and vec.h.
8939	(pp_clear_state, pp_write_list_to_stream, pp_base_format,
8940	pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8941	new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8942	pp_free_list): Use VECs instead of varrays.
8943	* pretty-print.h: Do not include varray.h.
8944	(struct tree_chunk_s): Declaration moved before its use.
8945	(output_buffer): Rename varray field to chunks.
8946	* tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8947	tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8948	save_global_holes): Use VECs instead of varrays.
8949	* tree-match.h: Declare VECs of cfg_node, and hole_p.
8950	* tree-check.c (scan_cfg_stmts, push_node,
8951	print_matching_stmt): Removed.
8952	(tree_check_instance, push_global_holes_if_new, tree_check,
8953	execute_tree_check): Use VECs instead of varrays.
8954	(gate_tree_check): Don't execute the CFG check when basic_block_info
8955	is not available.
8956
89572007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8958
8959	* Merge from mainline (r115016:120733).
8960
89612007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8962
8963	* Merge from mainline (r117632:117661).
8964
89652007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8966
8967	* tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8968	* tree-pass.h (TDF_DEBUG, debug_p): New.
8969	* tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8970	get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8971	get_loop_exit_condition, analyze_evolution_in_loop,
8972	analyze_initial_condition, analyze_scalar_evolution,
8973	instantiate_parameters, number_of_latch_executions): Use debug_p.
8974	* tree-chrec.c (chrec_apply): Use debug_p.
8975	* tree-data-ref.c: Include graphite.h.
8976	(dump_data_reference): Print also the access matrix.
8977	(analyze_array, analyze_indirect_ref, init_data_ref,
8978	analyze_offset_expr, address_analysis, object_analysis,
8979	create_data_ref, finalize_ddr_dependent,
8980	non_affine_dependence_relation, analyze_ziv_subscript,
8981	analyze_siv_subscript_cst_affine,
8982	compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8983	can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8984	analyze_miv_subscript, analyze_overlapping_iterations,
8985	build_classic_dist_vector, subscript_dependence_tester,
8986	compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8987	(build_access_matrix_with_af): No longer static.
8988	* tree-data-ref.h (scop_p): ... declaration here.
8989	(data_reference.scop): New field.
8990	(DR_SCOP, DR_ACCESS_MATRIX): New.
8991	(build_access_matrix_with_af, dr_num_subscripts): Declared.
8992	* graphite.c (print_graphite_bb): Call dump_data_references.
8993	(print_scop): Use scop_nb_loops and scop_dim_domain.
8994	(test_for_scop_bound): Use debug_p.
8995	(scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8996	scop_nb_params.
8997	(scop_loop_index): Moved...
8998	(scop_record_loop): New.
8999	(build_scop_loop_nests): Use scop_record_loop.
9000	(build_scop_domain): Use scop_dim_domain.
9001	(build_access_matrix): Implemented.
9002	(build_scop_canonical_schedules): Use scop_nb_loops.
9003	(build_graphite_bb): Initialize GBB_SCOP.
9004	* graphite.h (scop_p): Moved...
9005	(graphite_bb.scop): New field.
9006	(graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
9007	scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
9008	SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
9009	(scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
9010	scop_loop_index): New.
9011	* Makefile.in (tree-data-ref.o): Depends on graphite.h.
9012
90132007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
9014
9015	* Merge from mainline (r117661:120450).
9016
90172006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
9018
9019	* tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
9020	at the first declaration outside the varying loop, instantiate as
9021	far as possible.
9022	* tree-chrec.c (for_each_scev_op): New.
9023	* tree-chrec.h (for_each_scev_op): Declared.
9024	* tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
9025	* tree-data-ref.c (get_references_in_stmt,
9026	find_data_references_in_stmt): New, from trunk.
9027	(find_data_references_in_loop): Use get_references_in_stmt
9028	and find_data_references_in_loop, modified as in trunk.
9029	(build_access_matrix_with_af): New.
9030	* tree-data-ref.h (data_reference): Add a field access_matrix.
9031	(data_ref_loc): New, as in trunk.
9032	* graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
9033	invariant_in_scop_p, param_index, scan_tree_for_params,
9034	scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
9035	idx_record_param, idx_record_params, build_access_matrix,
9036	build_scop_data_accesses, build_scop_canonical_schedules,
9037	build_graphite_bb, build_scop_bbs, find_params_in_bb,
9038	build_scop_params): New.
9039	* graphite.h (graphite_bb): New.
9040	(scop): Add fields static_schedule, params, loop_nest,
9041	iteration_domain.
9042	* lambda.h: Declare vecs of lambda_matrix.
9043	* tree-flow.h (print_loop_ir_bb): Declared.
9044	* tree-cfg.c (print_loop_ir_bb): New.
9045	(print_loop): Use print_loop_ir_bb.
9046
90472006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
9048
9049	* Merge from mainline (r115016:117632).
9050
90512006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
9052
9053	* graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
9054	break due to a warning.
9055
90562006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
9057
9058	* graphite.c (print_scops, debug_scops): New.
9059	(graphite_transform): Renamed graphite_find_transform.
9060	* graphite.h (debug_scops): Declared.
9061
90622006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
9063
9064	* tree-match.c: Reformat following the GNU style.
9065	* tree-match.h: Reformat following the GNU style.
9066	* tree-pattern.h: Removed empty file.
9067	* Makefile.in: Remove references to tree-pattern.h.
9068	* tree-check.c: Reformat following the GNU style.
9069	(execute_tree_check): Move gate condition code to...
9070	(gate_tree_check): ...here.  New function.
9071	(pass_check): Use the gate function.
9072
90732006-07-04  Nic Volanschi <nic.volanschi@free.fr>
9074
9075	* tree-pattern.h: New. Tree pattern matching and checking using
9076	concrete syntax.
9077	* tree-check.c: New. Tree/CFG checking pass.
9078	* tree-match.c: New. Library for tree pattern matching.
9079	* opts.c, common.opt: Add options --ftree-check & --ftree-checks.
9080	* toplev.c, flags.h: Add globals for tree-check pass.
9081	* Makefile.in: Integrate the files in tree-check pass.
9082	* timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
9083	* pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
9084	Introduce a "lazy" pretty-print mode.
9085	* tree.c, tree.h: Add tree_name.
9086
90872006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
9088
9089	* doc/invoke.texi (-fgraphite): Correct typo.
9090	* tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
9091	use of print_loop_ir.
9092	* gcc.dg/graphite/scop-1.c: New.
9093	* gcc.dg/graphite/scop-2.c: New.
9094	* gcc.dg/graphite/graphite.exp: New.
9095	* graphite.c: Include domwalk.h.
9096	(print_scop): Print only the entry and exit blocks.
9097	(debug_scop): No longer static.
9098	(affine_expr): Fix formating.  Return also true when the expression is
9099	constant.
9100	(stmt_simple_for_scop_p): Fix formating.
9101	(build_scops): Use domwalk.
9102	(get_loop_start, end_scop, test_for_scop_bound): New.
9103	(graphite_transform_loops): Avoid printing on stderr.
9104	* graphite.h (debug_scop): Declared.
9105	* tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
9106	* Makefile.in (graphite.o): Depend on domwalk.h.
9107	* tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
9108	declarations for static functions.
9109	(print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
9110	controlling output verbosity.
9111
91122006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
9113	    Plesco Alexandru  <shurikx@gmail.com>
9114
9115	* doc/invoke.texi (-fgraphite): Document.
9116	* tree-pass.h (pass_graphite_transforms): Declared.
9117	* timevar.def (TV_GRAPHITE_TRANSFORMS): New.
9118	* tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
9119	(pass_graphite_transforms): Defined.
9120	* tree-data-ref.c (free_data_ref, data_reference): Extern.
9121	* tree-data-ref.h (free_data_ref, data_reference): Declared.
9122	* graphite.c, graphite.h: New.
9123	* common.opt (fgraphite): Declared.
9124	* tree-flow.h (graphite_transform_loops): Declared.
9125	* Makefile.in (OBJS-common): Add graphite.o.
9126	(graphite.o): New rule.
9127	* passes.c (pass_graphite_transforms): Scheduled.
9128
9129