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