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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
4         Early return without analyzing the data dependences if no
5         transform has been done.  Call restore_scattering if the transform
6         is not legal.
7         (graphite-interchange.c): Same.
8         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
9         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
10         (apply_poly_transforms): Do not gcc_assert that
11         the transform is legal.
12         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
13         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
14         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
15         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
16         * graphite-poly.h (struct poly_scattering): New.
17         (struct poly_bb): Add original, transformed, and saved fields.
18         Remove transformed_scattering, original_scattering, nb_local_variables,
19         and nb_scattering_transform fields.
20         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
21         (poly_scattering_new): New.
22         (poly_scattering_free): New.
23         (poly_scattering_copy): New.
24         (store_scattering_pbb): New.
25         (store_scattering): New.
26         (restore_scattering_pbb): New.
27         (restore_scattering): New.
28         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
29         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
30         
31 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
32
33         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
34         (print_scop): Same.
35
36 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
37
38         * Makefile.in (graphite.o): Depends on PREDICT_H.
39         * graphite.c: Include predict.h.
40         (graphite_finalize): Call tree_estimate_probability.
41         * predict.c (predict_loops): Do not call scev_initialize and
42         scev_finalize.
43         (tree_estimate_probability_bb): New.
44         (tree_estimate_probability): Do not initialize loops: move that
45         code to the driver.  Call tree_estimate_probability_bb.
46         (tree_estimate_probability_driver): New.
47         (pass_profile): Use tree_estimate_probability_driver.
48         * predict.h (tree_estimate_probability): Declared.
49
50 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
51
52         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
53         * graphite-dependences.c (graphite_legal_transform): Add time to
54         TV_GRAPHITE_DATA_DEPS.
55         (dependency_between_pbbs_p): Same.
56         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
57
58 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
59
60         * Merge from mainline (r149952:150372).
61
62 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
63
64         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
65         * graphite-blocking.c: Same.
66         * graphite-clast-to-gimple.c: Same.
67         * graphite-dependences.c: Same.
68         * graphite-poly.c: Same.
69         * graphite-poly.h: Same.
70         * graphite-ppl.c: Same.
71         * graphite-scop-detection.c: Same.
72         * graphite-sese-to-poly.c: Same.
73         * graphite.c: Same.
74
75 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
76
77         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
78         (remove_simple_copy_phi): New.
79         (remove_invariant_phi): New.
80         (simple_copy_phi_p): New.
81         (reduction_phi_p): New.
82         (gsi_for_ssa_name_def): New.
83         (insert_out_of_ssa_copy): New.
84         (insert_out_of_ssa_copy_on_edge): New.
85         (create_zero_dim_array): New.
86         (scalar_close_phi_node_p): New.
87         (rewrite_close_phi_out_of_ssa): New.
88         (rewrite_phi_out_of_ssa): New.
89         (rewrite_reductions_out_of_ssa): New.
90         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
91
92         * testsuite/gcc.dg/graphite/id-11.c: New.
93         * testsuite/gcc.dg/graphite/id-15.c: New.
94         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
95         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
96         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
97         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
98         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
99         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
100         * testsuite/gfortran.dg/graphite/id-13.f: New.
101         * testsuite/gfortran.dg/graphite/id-5.f: New.
102
103 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
104
105         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
106         check that nb_reductions_in_loop is zero.
107         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
108         reduction phi nodes.
109         (nb_reductions_in_loop): Removed.
110         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
111         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
112         (bb_contains_non_iv_scalar_phi_nodes): Removed.
113         (scop_contains_non_iv_scalar_phi_nodes): Removed.
114         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
115
116 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
117
118         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
119         statements that have an empty iteration domain.
120         * testsuite/gfortran.dg/graphite/id-16.f: New.
121
122 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
123
124         * tree-scalar-evolution.c (instantiate_scev_1): Return
125         chrec_dont_know when the result is not above instantiate_below.
126         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
127         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
128         the tree has a known scalar evolution.
129         * testsuite/gfortran.dg/graphite/id-14.f: New.
130         * testsuite/gfortran.dg/graphite/id-15.f: New.
131
132 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
133
134         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
135         insert_gsi.
136         (rename_variables): Keep inserting renames after the ones already
137         inserted.
138
139 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
140
141         * graphite-sese-to-poly.c (compare_bb_depths): New.
142         (graphite_sort_dominated_info): New.
143         (build_scop_bbs_1): Call graphite_sort_dominated_info.
144         (build_scop_scattering): Fix comment.
145
146 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
147
148         * graphite.c (graphite_finalize): Call print_loops instead of
149         dump_function_to_file.
150         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
151         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
152         loops generated in the graphite output file.
153         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
154         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
155         * testsuite/gfortran.dg/graphite/id-12.f: New.
156
157 2009-07-24  Li Feng  <nemokingdom@gmail.com>
158
159         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
160         Remove 2 XFAIL.
161
162 2009-07-24  Li Feng  <nemokingdom@gmail.com>
163             Tobias Grosser  <grosser@fim.uni-passau.de>
164
165         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
166         alias set number build alias in ACCESSES polyhedron.
167         (build_alias_set_for_drs): New.
168         (build_pbb_drs): Added build_alias_set_for_drs.
169         * graphite-dependences.c (poly_drs_may_alias_p): New.
170         (graphite_carried_dependence_level_k): Check alias information
171         before building polyhedron.
172
173 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
174
175         * Makefile.in (lambda-code.o): Fix formatting.
176
177 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
178
179         * Merge from mainline (r149350-149952)
180
181 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
182
183         * graphite-poly.c (apply_poly_transforms): Move strip_mine
184         before interchange to prepare for loop blocking.
185
186 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
187
188         * graphite-poly.c (apply_poly_transforms): Add checks after every
189         transformation.
190         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
191         done in apply_poly_transforms.
192
193 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
194
195         * graphite-dependences.c (build_lexicographically_gt_constraint):
196         Replace RES parameter with *RES.
197         (dependence_polyhedron_1): Pass an address of the parameter RES
198         instead of value of RES.
199
200 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
201
202         * graphite.c (graphite_finalize): Fix comment.
203         (graphite_transform_loops): Reset scev info after code generation
204         of each scop.
205
206 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
207
208         * graphite.c (graphite_finalize): Call scev_reset.
209
210 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
211
212         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
213         GBB_CLOOG_IV_TYPES hash table twice.
214         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
215         (add_condition_to_domain): Clear GMP values.
216
217 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
218
219         * graphite-dependences.c: Fix formatting.
220         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
221         (pbb_number_of_iterations): Free ppl_Linear_Expression.
222         * graphite-sese-to-poly.c: Fix formatting.
223         * graphite.c (graphite_transform_loops): Create the hash table
224         after the early return.
225
226 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
227
228         * testsuite/gcc.dg/graphite/id-14.c: New.
229         * testsuite/gcc.dg/graphite/pr40157.c: New.
230         * testsuite/gfortran.dg/graphite/id-11.f: New.
231
232 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
233
234         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
235         (build_poly_scop): Return false when there are no pbbs within
236         loops to avoid to pass to cloog scops with no loops.
237
238 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
239
240         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
241         useless test "i % 2".
242         (build_pbb_scattering_polyhedrons): Fix formatting.
243         (build_poly_dr): Same.
244         * graphite.c (graphite_transform_loops): Restructure.
245
246 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
247
248         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
249         reduction_list parameter.
250         (rewrite_all_phi_nodes_with_iv): Same.
251         (canonicalize_loop_ivs): Same.
252         * tree-parloops.c (struct brli): Removed.
253         (build_reduction_list_info): Removed.
254         (build_new_reduction): New.
255         (analyze_reduction_list): Removed.
256         (gather_scalar_reductions): Find reductions instead of phi
257         nodes that can't be canonicalized.
258         (try_create_reduction_list): Remove reduction_list parameter.
259         (gen_parallel_loop): Same.
260         (parallelize_loops): Remove analyze_reductions variable,
261         initialization and free.
262         Change reduction_list htab initialization to reduction_info
263         elements instead of ssa names.
264         Call try_create_reduction_list and gen_parallel_loop without
265         analyzed_reduction argument.
266         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
267         canonicalize_loop_ivs with one less argument.
268         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
269
270 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
271
272         * graphite-dependences.c (new_poly_dr_pair): New.
273         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
274         (new_poly_dr_pair): New.
275         (eq_poly_dr_pair_p): New.
276         (hash_poly_dr_pair_p): New.
277         * graphite-dependences.h (struct poly_dr_pair): New.
278         (eq_poly_dr_pair_p): Declared.
279         (hash_poly_dr_pair_p): Declared.
280         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
281         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
282         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
283         * Makefile.in (graphite-poly.o): Add dependence on
284         graphite-dependences.h.
285
286 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
287
288         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
289         polynomials of degree > 1 pass to Graphite.
290         * tree-chrec.c (scev_is_linear_expression): Call
291         evolution_function_is_affine_multivariate_p.
292         * testsuite/gfortran.dg/graphite/id-10.f90: New.
293
294 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
295
296         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
297         Instantiate scevs varying in outer loops.
298         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
299
300 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
301
302         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
303         redundant constraint.
304
305 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
306
307         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
308         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
309         based on the file names as in the C testsuite.
310         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
311         * testsuite/gfortran.dg/graphite/block-2.f: Same.
312         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
313         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
314         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
315         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
316         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
317         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
318         * testsuite/gfortran.dg/graphite/id-6.f: Same.
319         * testsuite/gfortran.dg/graphite/id-9.f: Same.
320         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
321         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
322         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
323
324 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
325
326         * sese.c (expand_scalar_variables_call): New.
327         (expand_scalar_variables_ssa_name): Handle calls in expander.
328
329 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
330
331         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
332         Expect to see the pattern twice.
333         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
334         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
335         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
336
337 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
338
339         * testsuite/gcc.dg/graphite/id-10.c: New.
340         * testsuite/gcc.dg/graphite/id-12.c: New.
341         * testsuite/gfortran.dg/graphite/id-7.f: New.
342         * testsuite/gfortran.dg/graphite/id-8.f: New.
343
344 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
345
346         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
347         zero.
348
349 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
350
351         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
352
353 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
354
355         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
356
357 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
358
359         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
360         building PDR subscripts.
361
362 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
363
364         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
365         computation of array sizes.
366
367 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
368
369         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
370
371 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
372
373         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
374         build_pairwise_constraint, dr_equality_constraints,
375         build_pairwise_scheduling_equality,
376         build_pairwise_scheduling_inequality, lexicographically_gt_p,
377         build_lexicographically_gt_constraint, dependence_polyhedron,
378         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
379         Move from NNC_Polyhedron to C_Polyhedron.
380         * graphite-interchange.c (compute_array_size_poly,
381         gather_access_strides): Dito.
382         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
383         free_scop, pbb_number_of_iterations): Dito.
384         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
385         pbb_dim_iter_domain, struct scop): Dito.
386         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
387         new_Cloog_Domain_from_ppl_Polyhedron,
388         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
389         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
390         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
391         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
392         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
393         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
394         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
395         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
396         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
397         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
398         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
399         build_scop_iteration_domain, build_poly_dr): Dito
400
401 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
402
403         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
404         run-id-*.c files.
405         * testsuite/gcc.dg/graphite/run-id-1.c: New.
406
407 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
408
409         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
410         positivity constraint on the symbolic number of iterations.
411
412 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
413
414         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
415
416 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
417             Tobias Grosser  <grosser@fim.uni-passau.de>
418
419         * graphite-clast-to-gimple.c (build_scop_context): Removed.
420         (build_cloog_prog): Directly use SCOP_CONTEXT.
421         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
422         (free_scop): Free SCOP_CONTEXT.
423         (print_scop_context): New.
424         (print_scop): Call print_scop_context.
425         (debug_scop_context): New.
426         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
427         (struct scop): Added field context.
428         (SCOP_CONTEXT): New.
429         * graphite-sese-to-poly.c (add_param_constraints): New.
430         (build_scop_context): New.
431         (build_poly_scop): Call build_scop_context.
432
433 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
434
435         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
436         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
437         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
438         * graphite-ppl.h: Include double-int.h and tree.h.
439         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
440         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
441         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
442         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
443
444 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
445
446         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
447         POINTER_PLUS_EXPR for pointer types.
448         (clast_to_gcc_expression): Same.
449
450 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
451
452         * graphite-poly.c (print_scattering_function): Early return when
453         PBB_TRANSFORMED_SCATTERING is not initialized.
454         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
455
456 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
457
458         * tree-parloops.c (analyze_reduction_list): Remove unused variable
459         to fix bootstrap.
460
461 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
462
463         * tree-parloops.c (analyze_reduction_list): Change return
464         value to void.
465         (try_create_reduction_list): Move the call to
466         analyze_reduction_list to the beginining.
467         Call reduction_phi with analyzed_reductions as argument
468         instead of reduction_list.
469
470 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
471
472         *  Merge from mainline (r148296:149346)
473
474 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
475
476         * graphite-scop-detection.c (graphite_can_represent_init): New.
477         (graphite_can_represent_scev): Call graphite_can_represent_init:
478         check that the initial value does not contain multiplications of
479         parameters.
480         (stmt_has_simple_data_refs_p): New.
481         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
482         (is_simple_operand): Fix formatting.
483         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
484
485 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
486
487         * testsuite/gcc.dg/graphite/id-13.c: New.
488         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
489         analyze_scalar_evolution, use scalar_evolution_in_region.
490         (scan_tree_for_params_right_scev): Add extra assert.
491         (parameter_index_in_region_1): Split from parameter_index_in_region.
492         (idx_record_params): Use scalar_evolution_in_region.
493         (find_params_in_bb): Same.
494         (find_scop_parameters): Same.
495         (build_loop_iteration_domains): Same.
496         (create_linear_expr_from_tree): Same.
497         * sese.c (scalar_evolution_in_region): New.
498         * sese.h (scalar_evolution_in_region): Declared.
499         (defined_in_sese_p): New.
500         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
501         static anymore.
502         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
503         Declared.
504
505 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
506
507         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
508         TREE_DATA_REF_H also implies SCEV_H.
509
510 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
511
512         * graphite-poly.c (print_scop_params): New.
513         (print_scop): Call print_scop_params.
514         (debug_scop_params): New.
515         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
516
517 2009-07-07  Li Feng  <nemokingdom@gmail.com>
518
519         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
520         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
521         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
522         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
523         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
524         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
525
526 2009-07-07  Li Feng  <nemokingdom@gmail.com>
527
528         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
529         for dependency checking part.
530         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
531         tests for dependency checking.
532         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
533         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
534         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
535         flag -fdump-tree-graphite-all for autopar testsuites.
536
537 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
538
539         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
540         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
541         canonicalize_loop_ivs): Moved...
542         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
543
544 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
545
546         * tree-parloops.c (try_create_reduction_list): Pass an extra
547         argument analyzed_reductions.  Call analyze_reduction_list.
548         (gen_parallel_loop): Do not call analyze_reduction_list.
549         (parallelize_loops): Init and finalize analyzed_reductions.
550
551 2009-07-06  Li Feng  <nemokingdom@gmail.com>
552
553         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
554         Added flag -fno-loop-strip-mine for autopar testcase.
555
556 2009-07-04  Li Feng  <nemokingdom@gmail.com>
557
558         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
559         transformed scattering dimension instead of unmatch orignal when
560         calling dependence_polyhedron.
561
562 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
563
564         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
565
566 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
567
568         * graphite-poly.c (pbb_number_of_iterations): Check for returned
569         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
570
571 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
572
573         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
574         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
575         * graphite-poly.c (pbb_number_of_iterations): New.
576         * graphite-poly.h (pbb_number_of_iterations): Declared.
577         (pbb_iterator_dim, pbb_parameter_dim): New.
578
579 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
580
581         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
582         last commit on type of lower and upper bound of loops.
583
584 2009-06-29  Li Feng  <nemokingdom@gmail.com>
585
586         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
587         graphite-dependences.h.
588         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
589         (mark_bb_with_pbb): New.
590         (get_stmtfor_depth): New.
591         (find_pbb_via_hash): New.
592         (dependency_in_loop_p): New.
593         (mark_loops_parallel): New.
594         (free_aux_in_new_loops): New.
595         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
596         bb with it's relevant pbb. Mark newly created loops.  Remove mark
597         innermost loop parallel without checking.
598         (gloog): Add parameter BB_PBB_MAPPING.
599         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
600         (gloog): Change declaration.
601         (mark_loop_parallel): Make extern.
602         (free_aux_in_new_loops): Declare.
603         (bb_pbb_map_hash): New.
604         (eq_bb_pbb_map): New.
605         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
606         auto parallelization when flag_graphite_force_parallel is set.
607         (graphite_finalize): Added free_aux_in_new_loops.
608         * tree-parloops.c (parallelize_loops): Only generate parallel code for
609         the innermost loop that marked parallel.  Use
610         flag_graphite_force_parallel instead of loop->can_be_parallel.
611         (loop_parallel_p): Move inner most checking out of function.
612
613 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
614
615         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
616         type of lower and upper bound of loops signed long int.
617
618 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
619
620         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
621         expression outside the loop.
622
623 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
624
625         * gcc.dg/graphite/interchange-8.c: New.
626
627 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
628
629         * gcc.dg/graphite/interchange-0.c: XFailed.
630         * gcc.dg/graphite/interchange-5.c: XFailed.
631         * gcc.dg/graphite/interchange-6.c: XFailed.
632
633 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
634
635         * graphite-interchange.c (compute_array_size_poly): The end of the
636         recursion should return 1.
637
638 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
639
640         * graphite-interchange.c (compute_array_size_cstr): Allow the
641         subscript multiplier to be -1.
642         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
643         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
644         data_container.  Initializes PDR_DATA_CONTAINER.
645         (print_pdr_access_layout): New.
646         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
647         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
648         data_container.
649         (PDR_DATA_CONTAINER): New.
650         (new_poly_dr): Update declaration.
651         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
652         (build_poly_dr): Call pdr_add_data_dimensions.
653
654 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
655
656         * graphite-poly.h (struct poly_dr): Fix comment.
657         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
658         (pdr_add_memory_accesses): New.
659         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
660
661 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
662
663         * graphite-poly.c (print_pdrs, debug_pdrs): New.
664         (print_pbb): Add call to print_pdrs.
665         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
666
667 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
668             Li Feng <nemokingdom@gmail.com>
669
670         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
671         (dependency_between_pbbs_p): New.
672         (lexicographically_gt_p): Assure !empty_p before polyhedron
673         intersection assign.
674         (build_lexicographically_gt_constraint): Correct lexicographically
675         judging.
676         * graphite-dependences.h: New.
677         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
678
679 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
680
681         * graphite-clast-to-gimple.c (print_clast_stmt): New.
682         (gloog): Print to dump_file the generated clast.
683         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
684         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
685
686 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
687
688         * graphite-poly.c (extend_scattering): Increment
689         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
690
691 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
692
693         * graphite-interchange.c (compute_array_size_poly): Added exit of
694         recursion condition.  Continue iterating even after the first equality.
695         (compute_array_size): Same.
696
697 2009-06-24  Li Feng  <nemokingdom@gmail.com>
698
699         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
700         -fdump-tree-final_cleanup to -fdump-tree-optimized.
701         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
702         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
703         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
704
705 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
706
707         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
708         only when the use verifies is_gimple_reg.
709
710 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
711
712         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
713         Allocate scaldims after call to unify_scattering_dimensions.
714
715 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
716
717         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
718
719 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
720             Albert Cohen  <albert.cohen@inria.fr>
721
722         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
723         variables for the strip mining.
724
725 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
726             Pranav Garg  <pranav.garg2107@gmail.com>
727
728         * Makefile.in (OBJS-common): Added graphite-blocking.o.
729         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
730         (graphite-blocking.o): New rule.
731         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
732         * graphite-blocking.c: New.
733         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
734         flag_loop_strip_mine.
735         (psct_scattering_dim_for_loop_depth): New.
736         * graphite-poly.h (scop_do_strip_mine): Declared.
737         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
738         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
739         flag_loop_strip_mine.
740
741 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
742
743         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
744         a GMP value and a PPL coefficient at each iteration of a loop.
745
746 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
747
748         * graphite-dependences.c (dependence_polyhedron): Do not use
749         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
750         pbb_nb_scattering_transform.
751         (graphite_legal_transform_dr): Same.
752         * graphite-poly.c (extend_scattering): Same.
753         (unify_scattering_dimensions): Same.
754         (print_scattering_function): Same.
755         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
756         PBB_NB_LOCAL_VARIABLES.
757         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
758         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
759         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
760         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
761         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
762         (pbb_nb_scattering_transform): New.
763         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
764         (psco_scattering_dim): Add assert on parameters.
765         (psct_scattering_dim): Same.
766         (psct_scattering_dim_for_loop_depth): Declared.
767         (psct_local_var_dim): New.
768         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
769         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
770         correct layout, call pbb_nb_local_vars.
771         (psct_add_local_variable, psct_add_scattering_dimension): New.
772         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
773         Initialize PBB_NB_SCATTERING_TRANSFORM.
774
775 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
776
777         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
778         (set_coef): Renamed ppl_set_coef.
779         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
780
781 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
782
783         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
784         test a boolean against 1.
785         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
786         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
787         (pbb_do_interchange): Returns true when a transform has been performed.
788         (scop_do_interchange): Same.
789         * graphite-poly.c (apply_poly_transforms): Use the return value of
790         scop_do_interchange.
791         * graphite-poly.h (scop_do_interchange): Update declaration.
792
793 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
794
795         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
796         after last use.
797         * sese.c (sese_reset_aux_in_loops): New.
798         * sese.h (sese_reset_aux_in_loops): New.
799
800 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
801
802         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
803         multiplier and multiply the constant by the multiplier.
804         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
805         (build_poly_dr): Do not use the multiplier to define the subscript.
806
807 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
808
809         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
810         compiler's data reference.  Initialize PDR_CDR.
811         (print_pdr): Call dump_data_reference.
812         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
813         Add compiler_dr field.
814         (PDR_BB): Renamed PDR_PBB.
815         (PDR_CDR): New.
816         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
817         GCC's data reference representation.
818         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
819         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
820
821 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
822
823         * graphite-poly.c (print_scattering_function): Also print the layout.
824         * graphite-poly.h (pbb_nb_local_vars): New.
825
826 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
827
828         * graphite-poly.c (print_pbb_domain): Also print the layout names.
829
830 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
831
832         * graphite-poly.c (print_pdr, debug_pdr): New.
833         * graphite-poly.h (print_pdr, debug_pdr): Declared.
834         (PDR_BASE): Removed.
835
836 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
837
838         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
839         ltrans-{1..6,8}.c.
840
841 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
842
843         * graphite-interchange.c (compute_subscript): Allow also -1 in the
844         subscript identification column.
845         (pbb_do_interchange): Print to dump_file that some loops "will be
846         interchanged".  Rely on that chain of characters in the testcases.
847         * gcc.dg/graphite/interchange-0.c: New.
848         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
849         interchange-*.c files and compile them with -floop-interchange.
850
851 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
852
853         * graphite-interchange.c (interchange_profitable_p): Renamed
854         pbb_interchange_profitable_p.
855
856 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
857             Harsha Jagasia  <harsha.jagasia@amd.com>
858             Pranav Garg  <pranav.garg2107@gmail.com>
859
860         * graphite-interchange.c (interchange_profitable_p): Make static.
861         (pbb_interchange_loop_depths, pbb_do_interchange,
862         scop_do_interchange): New.
863         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
864         for flag_loop_interchange.
865         * graphite-poly.h (scop_do_interchange): Declared.
866         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
867         flag_loop_interchange is used.
868
869 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
870
871         * graphite-dependences.c (dependence_polyhedron): Update use of
872         pbb_nb_scattering_dims.
873         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
874         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
875         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
876         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
877
878 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
879
880         * graphite.c: Cleanup foo.
881
882 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
883
884         * Merge from mainline (r143684:148293).
885         * Disabled libpcp until it gets fixed.
886
887 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
888             Harsha Jagasia  <harsha.jagasia@amd.com>
889
890         * graphite-interchange.c: New.
891         * Makefile.in (graphite-interchange.o): New.
892         * graphite-poly.h (interchange_profitable_p): Declared.
893         * graphite-ppl.h (value_max): New.
894
895 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
896
897         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
898         * graphite-poly.h: Fix some comments.
899         (pdr_dim): New.
900         (pdr_scop): New.
901
902 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
903
904         * graphite-poly.h
905         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
906         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
907         (pdr_accessp_nb_params): Renamed pdr_nb_params.
908         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
909         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
910         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
911         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
912         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
913         * graphite-clast-to-gimple.c: Same.
914         * graphite-dependences.c: Same.
915         * graphite-poly.c: Same.
916         * graphite-sese-to-poly.c: Same.
917
918 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
919
920         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
921         expressions for an IV rename, as returned by clast_to_gcc_expression.
922         (copy_renames): Rename new_name to expr.
923         * sese.c (debug_rename_elt): Same.
924         (get_rename): Same.
925         (set_rename): Same.
926         (sese_adjust_liveout_phis): Call force_gimple_operand before using
927         the information from the rename map.
928         (rename_variables_in_stmt): Same.
929         (add_loop_exit_phis): Rename new_name to expr.
930         (insert_loop_close_phis): Same.
931         (add_guard_exit_phis): Same.  Call force_gimple_operand.
932         * sese.h (struct rename_map_elt): Rename new_name to expr.
933         (new_rename_map_elt): Same.
934
935 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
936
937         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
938         * sese.c (set_rename): Make it extern.
939         * sese.h (set_rename): Declared.
940
941 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
942
943         * graphite-poly.c (extend_scattering): Free values.
944         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
945         Free iterators.
946         (ppl_print_powerset_matrix): Same.
947         * graphite-scop-detection.c (free_scops_1): New.
948         (limit_scops): Call free_scops_1.
949         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
950         (build_poly_dr): Free PPL coefficients.
951         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
952
953 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
954
955         * graphite-dependences.c: New.
956         * graphite-data-ref.c: Removed.
957         * graphite-data-ref.h: Removed.
958         * Makefile.in (graphite-data-ref.o): Removed.
959         (graphite-dependences.o): Added.
960         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
961         * graphite-poly.c: Same.
962         Move the data dependence testing to graphite-dependences.c.
963
964 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
965
966         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
967         from graphite_cannot_represent_loop. Code refactored.
968         (scopdet_basic_block_info): Call graphite_can_represent_loop.
969
970 2009-05-17  Li Feng  <nemokingdom@gmail.com>
971
972         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
973         Cover all the testcases (not only the filtered ones).
974
975 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
976
977         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
978         unnecessary check. Update comments. Move check for REAL_TYPE here.
979         (harmful_stmt_in_bb): Remove checks for conditions. This is already
980         done in (stmt_simple_for_scop_p).
981
982 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
983
984         * graphite.c (print_global_statistics): New.
985         (print_graphite_scop_statistic): New.
986         (print_graphite_statistics): New.
987         (graphite_initialize, graphite_transform_loops): Print statistics.
988         * graphite-scop-detection (build_scops): Print statistics.
989         (print_graphite_scop_statistics): New.
990         (print_graphite_statistics): New.
991
992 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
993
994         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
995         (debug_clast_name_index): Removed.
996         (debug_clast_name_indexes_1): Removed.
997         (debug_clast_name_indexes): Removed.
998         (clast_name_index_elt_info): Removed.
999         (eq_clast_name_indexes): Removed.
1000         (clast_name_to_index): Removed.
1001         (new_clast_name_index): Removed.
1002         (save_clast_name_index): Removed.
1003         (save_var_name): Moved...
1004         (init_sese_params_index): Removed.
1005         (clast_name_to_gcc): Remove use of name_tree.
1006         (initialize_cloog_names): Same.
1007         (gloog): Do not call init_sese_params_index.
1008         * graphite-sese-to-poly.c (save_var_name): ...here.
1009         (parameter_index_in_region): New.
1010         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1011         (parameter_index_in_region): Removed.
1012         (is_parameter): Remove use of name_tree.
1013         * sese.h (struct name_tree): Removed.
1014         (struct sese): Remove use of name_tree.  New field params_names.
1015         (SESE_PARAMS_NAMES): New.
1016         (SESE_PARAMS): Remove duplicate.
1017         (parameter_index_in_region): Removed.
1018         (sese_nb_params): Remove use of name_tree.
1019         (struct clast_name_index): New.
1020         (new_clast_name_index): New.
1021         (clast_name_to_index): New.
1022         (save_clast_name_index): New.
1023         (debug_clast_name_index): New.
1024         (debug_clast_name_indexes_1): New.
1025         (debug_clast_name_indexes): New.
1026         (clast_name_index_elt_info): New.
1027         (eq_clast_name_indexes): New.
1028
1029 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1032         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1033         (graphite_loop_normal_form): Do not pass region.  Do not
1034         initialize SESE_OLDIVS.
1035         (build_graphite_loop_normal_form): Update call to
1036         graphite_loop_normal_form.
1037         * sese.c (debug_oldivs): Removed.
1038         (new_sese): Do not initialize SESE_OLDIVS.
1039         (free_sese): Do not free SESE_OLDIVS.
1040         (oldiv_for_loop): Removed.
1041         * sese.h (struct sese): Remove old_ivs.
1042         (SESE_OLDIVS): Removed.
1043         (oldiv_for_loop): Removed.
1044
1045 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1048         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1049         replaced by a call to newivs_to_depth_to_newiv.
1050         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1051         (clast_to_gcc_expression_red): Same.
1052         (gcc_type_for_clast_expr): Same.
1053         (gcc_type_for_clast_eq): Same.
1054         (graphite_translate_clast_equation): Same.
1055         (graphite_create_guard_cond_expr): Same.
1056         (graphite_create_new_guard): Same.
1057         (graphite_create_new_loop): Same.
1058         (build_iv_mapping): Same.
1059         (translate_clast): Same.
1060         (gloog): Same.
1061         (loop_iv_stack_patch_for_consts): Removed.  *
1062         sese.c (iv_stack_entry_is_constant): Removed.
1063         (iv_stack_entry_is_iv): Removed.
1064         (loop_iv_stack_push_iv): Removed.
1065         (loop_iv_stack_insert_constant): Removed.
1066         (loop_iv_stack_pop): Removed.
1067         (loop_iv_stack_get_iv): Removed.
1068         (loop_iv_stack_get_iv_from_name): Removed.
1069         (debug_loop_iv_stack): Removed.
1070         (free_loop_iv_stack): Removed.
1071         (loop_iv_stack_remove_constants): Removed.  *
1072         sese.h (iv_stack_entry_kind): Removed.
1073         (iv_stack_entry_data_union): Removed.
1074         (iv_stack_entry_struct): Removed.
1075         (iv_stack_entry_p): Removed.
1076         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1077         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1078         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1079         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1080         (gbb_loop_at_index): Fix indenting.
1081         (gbb_loop_index): Removed.
1082
1083 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1086         Call clast_name_to_index.
1087
1088 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1091         do not pass params.  Get params from SESE_PARAMS.
1092         (clast_to_gcc_expression): Same.
1093         (clast_to_gcc_expression_red): Same.
1094         (gcc_type_for_clast_eq): Same.
1095         (graphite_translate_clast_equation): Same.
1096         (graphite_create_new_loop): Same.
1097         * sese.c (rename_variables_in_stmt): Fix comment.
1098
1099 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1102         newivs_index.
1103         Call save_clast_name_index.
1104         (translate_clast): Pass newivs_index.
1105         (gloog): Create and free newivs_index.
1106
1107 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1110         (clast_name_index_p): New type.
1111         (debug_clast_name_index): New.
1112         (debug_clast_name_indexes_1): New.
1113         (debug_clast_name_indexes): New.
1114         (clast_name_index_elt_info): New.
1115         (eq_clast_name_indexes): New.
1116         (clast_name_to_index): New.
1117         (new_clast_name_index): New.
1118         (save_clast_name_index): New.
1119         (init_sese_params_index): New.
1120         (gloog): Call init_sese_params_index.
1121         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1122         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1123         (free_sese): Free SESE_PARAMS_INDEX.
1124         * sese.h (struct sese): Add params_index.
1125         (SESE_PARAMS_INDEX): New.
1126
1127 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1128
1129         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1130         (graphite_create_new_loop): Pass the newivs vector.  Push the
1131         newly created IV to newivs.
1132         (translate_clast): Pass the newivs vector.
1133         (gloog): Create and destroy the newivs vector.
1134
1135 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1138         (graphite_loop_normal_form): Initialize loop->aux with the unique
1139         IV that has been created.
1140
1141 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1142
1143         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1144         scev with parameters in the base part. They where forbidden
1145         exidently.
1146
1147 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1148
1149         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1150         compile options by file names.
1151         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1152         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1153         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1154         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1155
1156 2009-05-08  Li Feng <nemokingdom@gmail.com>
1157
1158         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1159         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1160         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1161         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1162
1163 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1164
1165         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1166         by final cleanup.
1167
1168 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1169
1170         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1171         allow integer constant strides.
1172         (graphite_can_represent_expr): Depend on outermost_loop.
1173         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1174         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1175         build_scops_1): Same.
1176         (scopdet_basic_block_info): Same and insert layered SCoP
1177         detection.
1178         (try_generate_gimple_bb): Cleanup.
1179         (build_scops): Enable data references.
1180
1181         * testsuite/gcc.dg/graphite/id-5.c: New.
1182         * testsuite/gcc.dg/graphite/id-9.c: New.
1183         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1184         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1185
1186 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1187
1188         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1189         that we have not yet built for this SCoP.
1190
1191 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1192
1193         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1194         for complex numbers.
1195
1196 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1197
1198         * graphite-ppl.c: Fix build if cloog is not available.
1199
1200 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1201
1202         * tree-parloops.c (loop_parallel_p): Remove construction of
1203         NITER and REDUCTION_LIST.
1204         (try_get_loop_niter): New.
1205         (try_create_reduction_list): New.
1206         (parallelize_loops): Bypass the failed checkings in autopar
1207         when can_be_parallel in loop structure is set to true.
1208
1209 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1210
1211         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1212         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1213
1214 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1215
1216         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1217         Enable EQ_EXPR and NE_EXPR again.
1218
1219 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1220
1221         * graphite-scop-detection.c (graphite_can_represent_scev):
1222         Add check if scev is affine multivariate.
1223         (harmful_stmt_in_bb): Check if we can represent the conditions.
1224         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1225         harmful_stmt_in_bb.
1226         * testsuite/gcc.dg/graphite/id-7.c: New.
1227
1228 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1229
1230         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1231         Check all bbs in region, not only the bbs that are represented in
1232         GRAPHITE.
1233         (build_poly_scop): Add newline.
1234         * testsuite/gcc.dg/graphite/id-8.c: New.
1235
1236 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1237
1238         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1239         when loop initialize.
1240         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1241         * common.opt: Declare flag_graphite_force_parallel.
1242         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1243         loop parallel.
1244         * graphite-poly.c (apply_poly_transforms): Introduce
1245         flag_graphite_force_parallel.
1246         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1247         * toplev.c (process_options): ditto and replace a not correctly
1248         encoded space.
1249
1250 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1251
1252         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1253         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1254         to the redefinition.
1255         (compute_cloog_iv_types_1): ditto.
1256         (build_iv_mapping): ditto.
1257         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1258         initialization.
1259         (free_gimple_bb): Removed GBB_LOOPS related free part.
1260         (build_bb_loops): Removed.
1261         * sese.h (struct gimple_bb): Removed loops.
1262         (GBB_LOOPS): Removed.
1263         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1264         (gbb_loop_index): ditto.
1265
1266 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1267
1268         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1269         allow non constant strides.
1270         * testsuite/gcc.dg/graphite/scop-20.c: New.
1271
1272 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * graphite-scop-detection.c (dot_all_scops): Fix system call
1275         return value warning.
1276         (dot_scop): Same.
1277
1278 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1281         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1282
1283 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1286         build_pairwise_constraint, dr_equality_constraints,
1287         build_pairwise_scheduling_equality,
1288         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1289         build_lexicographically_gt_constraint, dependence_polyhedron,
1290         graphite_legal_transform_dr, graphite_legal_transform_bb,
1291         graphite_legal_transform): New.
1292         * graphite-poly.h (graphite_legal_transform): Declared.
1293         * graphite-sese-to-poly.c (build_poly_scop): Call to
1294         graphite_legal_transform is disabled for the moment.
1295
1296 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * graphite-poly.h (pbb_nb_scattering_dims): New.
1299         (pbb_nb_scattering): Use it.
1300
1301 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1302
1303         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1304         Pointset_Powerset version of ppl_insert_dimensions.
1305         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1306
1307 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1308
1309         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1310
1311 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1312
1313         * graphite-poly.h: Fix comment.
1314
1315 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1318
1319 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1320
1321         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1322         statements.
1323
1324 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1325
1326         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1327         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1328         conditions.
1329
1330 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1331
1332         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1333         handle EQ_EXPR and NE_EXPR.
1334
1335 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1336
1337         * graphite-poly.h (poly_dr): Fix comment.
1338
1339 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1340             Tobias Grosser  <grosser@fim.uni-passau.de>
1341
1342         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1343         with a zero dimension polyhedron.
1344         (find_scop_parameters): Move the call to scop_set_nb_params here.
1345         (build_loop_iteration_domains): Store in loop->aux the iteration
1346         domain polyhedron.
1347         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1348         by any loop in scop.
1349         (build_poly_scop): Do not call scop_set_nb_params.
1350
1351 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1352             Tobias Grosser  <grosser@fim.uni-passau.de>
1353
1354         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1355         add_condition_to_domain not GT_EXPR.
1356
1357 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1358
1359         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1360         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1361         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1362         upper_bound_assign to calculate unions.
1363         * testsuite/gcc.dg/graphite/id-6.c: New.
1364
1365 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1366
1367         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1368         handle abnormal edges.
1369
1370 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1371
1372         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1373         (free_poly_bb): Also free poly_drs.
1374         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1375         (poly_dr): Polyhedron to Pointset_Powerset.
1376         (pdr_accessp_nb_subscripts): Same.
1377         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1378         poly_drs.
1379
1380 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1383         names into more meaningful names.
1384
1385 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1388         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1389
1390 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1393         the reduction_list.
1394         * tree-parloops.c (rewrite_phi_with_iv): New.
1395         (rewrite_all_phi_nodes_with_iv): New.
1396         (canonicalize_loop_ivs): Call them.
1397
1398 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1399
1400         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1401         graphite_find_data_references_in_stmt.
1402         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1403         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1404
1405 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1408
1409 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1410
1411         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1412         instead of bb_in_region.
1413         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1414         (build_sese_conditions): Use flag_bb_in_sese.
1415         * sese.c (register_bb_in_sese): Removed.
1416         (new_sese): Remove initialization of SESE_REGION_BBS.
1417         (free_sese): Do not free SESE_REGION_BBS.
1418         * sese.h (struct sese): Remove field region_basic_blocks.
1419         (SESE_REGION_BBS): Removed.
1420         (bb_in_sese_p): Implement in function of bb_in_region.
1421
1422 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1425         loops.
1426
1427 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1428
1429         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1430         and EQ_EXPR.
1431         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1432         (add_condition_to_domain): New.
1433         (add_condition_to_pbb): New.
1434         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1435         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1436
1437 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1438
1439         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1440         ppl_Pointset_Powerset.
1441         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1442         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1443         (pbb_nb_loops): Same.
1444         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1445         add_conditions_to_domain): Same.
1446         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1447         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1448         ppl_const_Polyhedron_t.
1449         (ppl_print_powerset_matrix): New.
1450         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1451         ppl_print_powerset_matrix): New.
1452         (ppl_print_polyhedron_matrix): Updated.
1453
1454 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1457
1458 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1461         (print_iteration_domains, debug_iteration_domain,
1462         debug_iteration_domains): New.
1463         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1464         debug_iteration_domains): Declared.
1465         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1466         indenting.
1467
1468 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1469             Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * graphite-poly.h (print_iteration_domain): New.
1472         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1473         (build_sese_conditions_1, build_sese_conditions_after,
1474         build_sese_conditions_before): New.
1475         (build_sese_conditions): Rewritten.
1476
1477 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1478             Tobias Grosser  <grosser@fim.uni-passau.de>
1479
1480         Cleanup of code generation liveouts.
1481         * graphite-clast-to-gimple.c (translate_clast): Use a single
1482         rename_map instead of one per translated statement.
1483         Do not use SESE_LIVEOUT_RENAMES.
1484         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1485         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1486         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1487         phi node of a reduction: when a loop contains a reduction used outside
1488         the loop, there should be a scalar close phi node on the exit block.
1489         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1490         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1491         (free_sese): Do not free them.
1492         (sese_build_liveouts_use): Do not use them.
1493         (sese_build_liveouts_bb): Same.
1494         (sese_build_liveouts): Same.
1495         (sese_insert_phis_for_liveouts): Same.
1496         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1497         (defined_in_loop_p): New.
1498         (alive_after_loop): New.
1499         (close_phi_not_yet_inserted_p): New.
1500         (struct alep, alep_p): New.
1501         (add_loop_exit_phis): Remove from the rename_map all the names defined
1502         in the code generated loop.
1503         (insert_loop_close_phis): Traverse the rename_map passed to it.
1504         Don't use SESE_LIVEOUT_RENAMES.
1505         (default_liveout_before_guard): Renamed default_before_guard.
1506         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1507         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1508         (register_sese_liveout_renames): Removed.
1509         (copy_bb_and_scalar_dependences): Do not call it.
1510         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1511         reduction_list.
1512         (SESE_LIVEOUT): Removed.
1513         (SESE_LIVEOUT_RENAMES): Removed.
1514         (SESE_REDUCTION_LIST): Removed.
1515         (sese_build_liveouts): Removed.
1516         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1517         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1518         (insert_guard_phis): Same.
1519         (rename_map_elt): Declare a VEC of them.
1520         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1521         trees not pointers to trees.
1522
1523         Rewrite in canonical close SSA form:
1524         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1525         (limit_scops): Close the scop after the block containing the close phi
1526         nodes.
1527         (canonicalize_loop_closed_ssa): New.
1528         (canonicalize_loop_closed_ssa_form): New.
1529         (build_scops): Call canonicalize_loop_closed_ssa_form.
1530
1531         * graphite-sese-to-poly.c: Fix typos.
1532
1533 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1534
1535         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1536         Extended.
1537         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1538         (print_pbb): Add conditions.
1539
1540 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1541             Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1544         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1545         (build_scop_bbs_1): New.
1546         (build_scop_bbs): Rewrite.
1547         * sese.h (bb_in_region): New.
1548
1549 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1550
1551         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1552         poly_drs vector.
1553         (print_scop): Style.
1554         * graphite-poly.h (poly_bb): Add drs vector.
1555         (PBB_DRS): Add accessor.
1556         * graphite-sese-to-poly.c (build_poly_dr): New.
1557         (build_pbb_drs, build_scop_drs): New.
1558         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1559
1560 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1561
1562         * tree-ssa-loop.c: Include forgotten toplev.h
1563
1564 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1565
1566         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1567         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1568         * testsuite/gcc.dg/graphite/pr37928.c: Same
1569         * testsuite/gcc.dg/graphite/pr38409.c: Same
1570         * testsuite/gcc.dg/graphite/pr38498.c: Same
1571         * testsuite/gcc.dg/graphite/pr38559.c: Same
1572         * testsuite/gcc.dg/graphite/pr39335.c: Same
1573         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1574         * testsuite/gfortran.dg/graphite/block-2.f: Same
1575         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1576         with -floop-*.
1577
1578 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1579
1580         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1581         build_access_matrix, build_scop_data_accesses): Remove access function
1582         building. (We get a new version soon).
1583         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1584         * sese.h (nb_loops_around_loop_in_sese): Remove.
1585         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1586
1587 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1588             Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * graphite-scop-detection.c (struct scopdet_info): Rename last
1591         field to exit.
1592         (scopdet_basic_block_info, build_scops_1): Don't use
1593         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1594
1595 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1596             Sebastian Pop  <sebastian.pop@amd.com>
1597
1598         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1599         * sese.c (sese_build_liveouts_use): Renamed from
1600         sese_build_livein_liveouts_use. Remove liveins.
1601         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1602         Call sese_build_liveouts_use.
1603         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1604         Call sese_build_liveouts_bb.
1605         (new_sese, free_sese): Remove liveins.
1606         (sese_add_exit_phis_var): Deleted.
1607         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1608         directly.
1609         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1610
1611         * sese.h (sese): Remove num_ver and livein.
1612         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1613
1614 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1615
1616         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1617
1618 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1619
1620         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1621         (build_scop_scattering): Do not use compare_prefix_loops any more.
1622         (nb_common_loops): New.
1623
1624 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1627         (register_old_and_new_names): Renamed set_rename.
1628
1629 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1632         of the decl from the previous commit.
1633
1634 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * graphite-scop-detection.c (dot_scop): New.
1637         * graphite-scop-detection.h (dot_scop): Declared.
1638
1639 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1642
1643 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1644
1645         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1646         condition at the end of the loop.
1647         * graphite.c (graphite_initialize, graphite_finalize): Print to
1648         dump_file the compiled function.
1649         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1650         of create_empty_loop_on_edge.
1651         (translate_clast): Update the code generation of loops for the new
1652         shape of loops.
1653         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1654
1655 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         Reverted the patch from 2009-03-19.
1658
1659 2009-03-19  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 (ref_nb_loops): Remove.
1667         (build_access_matrix_with_af, build_access_matrix,
1668         build_scop_data_accesses): Delete.
1669         (build_poly_dr): New.
1670         (build_pbb_drs, build_scop_drs): New.
1671         (build_poly_scop): call build_scop_drs.
1672
1673 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1676         once per basic block.
1677
1678 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1679
1680         * graphite-scop-detection.c (graphite_can_represent_scev): New.
1681         (graphite_can_represent_expr): Renamed from loop_affine_expr
1682         and enhanced.
1683         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
1684         (graphite_cannot_represent_loop): Add scop_entry to parameters.
1685         (scopdet_basic_block_info): Actually define entry_block.
1686         (stmt_simple_memref_p): Moved here from ...
1687
1688         * tree-data-ref.c (stmt_simple_memref_p): here.
1689         * tree-data-ref.h (stmt_simple_memref_p): Removed.
1690
1691 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1692
1693         * testsuite/gcc.dg/graphite/id-4.c: New.
1694
1695 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1698         (register_old_and_new_names): Update the content of the map.
1699         When there was already a rename_map_elt in the map at that
1700         location, free it.
1701         (copy_bb_and_scalar_dependences): Do rename_variables after
1702         expand_scalar_variables.
1703         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1704         of the map.  When there was already a rename_map_elt in the
1705         map at that location, free it.
1706         (translate_clast): Pass the rename_map.  Do not initialize and free
1707         a rename_map per stmt_user.
1708         (gloog): Initialize and free one rename_map and pass it to
1709         translate_clast.
1710
1711 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1712
1713         * sese.c (expand_scalar_variables_stmt,
1714         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
1715         parameter.
1716         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
1717         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
1718         the gimple_stmt_iterator of the statement to be expanded.
1719         * graphite-scop-detection.c (is_simple_operand): Do handle
1720         REALPART_EXPR.
1721
1722 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1723
1724         * graphite-scop-detection.c (is_simple_operand): Do not handle
1725         REALPART_EXPR.
1726         * testsuite/gcc.dg/graphite/id-2.c: New.
1727
1728         * graphite-sese-to-poly.c (build_bb_loops,
1729         add_value_to_dim, scan_tree_for_params_right_scev,
1730         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
1731         find_params_in_bb, build_loop_iteration_domains,
1732         add_conditions_to_domain): Remove subtract.
1733
1734 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1735
1736         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
1737         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
1738         pbb_loop_at_index -> gbb_loop_at_index.
1739         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
1740         (debug_loop_vec): Delete.
1741         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
1742         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
1743         (PBB_LOOPS): Removed.
1744         (PBB_BLACK_BOX): Insert cast.
1745         (pbb_set_black_box): New setter.
1746         (pbb_loop_at_index, pbb_loop_index): Removed.
1747         (scop_set_region, scop_set_nb_params): New.
1748         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
1749         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
1750         (build_poly_scop): Use scop_set_nb_params.
1751         * sese.h (gimple_bb): Add LOOPS.
1752         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
1753
1754 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1755
1756         Revert previous commit.
1757
1758 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1761         (register_old_and_new_names): Update the content of the map.
1762         When there was already a rename_map_elt in the map at that
1763         location, free it.
1764         (copy_bb_and_scalar_dependences): Do rename_variables after
1765         expand_scalar_variables.
1766         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1767         of the map.  When there was already a rename_map_elt in the
1768         map at that location, free it.
1769         (translate_clast): Pass the rename_map.  Do not initialize and free
1770         a rename_map per stmt_user.
1771         (gloog): Initialize and free one rename_map and pass it to
1772         translate_clast.
1773
1774 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1775
1776         Remove forgotten line in revert.
1777
1778 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         Revert previous commit.
1781
1782 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * sese.c (register_old_and_new_names): Update the content
1785         of the map.  When there was already a rename_map_elt in the
1786         map at that location, free it.
1787         (copy_bb_and_scalar_dependences): Do rename_variables after
1788         expand_scalar_variables.
1789         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1790         of the map.  When there was already a rename_map_elt in the
1791         map at that location, free it.
1792         (translate_clast): Pass the rename_map.  Do not initialize and free
1793         a rename_map per stmt_user.
1794         (gloog): Initialize and free one rename_map and pass it to
1795         translate_clast.
1796
1797 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * graphite-clast-to-gimple.c (translate_clast): context_loop
1800         is never NULL.
1801
1802 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1803             Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
1806         of the use of ppl_Polyhedron_map_space_dimensions.
1807
1808 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1809             Sebastian Pop  <sebastian.pop@amd.com>
1810
1811         * graphite-poly.c (unify_scattering_dimensions): Fix types.
1812         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
1813         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
1814         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
1815         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
1816         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
1817         pbb_nb_params): New.
1818         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
1819         nb_loops_around_pbb): Adapt return types.
1820
1821 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1822
1823         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
1824         graphite-clast-to-gimple.o,  graphite-data-ref.o,
1825         graphite-scop-detection.o, graphite-poly.o): Add
1826         more headers.
1827
1828 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1829
1830         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
1831         graphite-clast-to-gimple.o,  graphite-data-ref.o,
1832         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
1833
1834 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1835
1836         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
1837         * testsuite/gcc.dg/graphite/pr37828.c: Same.
1838         * testsuite/gcc.dg/graphite/pr37684.c: Same.
1839         * testsuite/gcc.dg/graphite/block-0.c: Same.
1840         * testsuite/gcc.dg/graphite/block-1.c: Same.
1841         * testsuite/gcc.dg/graphite/block-2.c: Same.
1842         * testsuite/gcc.dg/graphite/block-3.c: Same.
1843         * testsuite/gcc.dg/graphite/block-4.c: Same.
1844         * testsuite/gcc.dg/graphite/block-5.c: Same.
1845         * testsuite/gcc.dg/graphite/block-6.c: Same.
1846         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
1847         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
1848         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1849         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
1850         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1851         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
1852         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
1853         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
1854         * opts.c: Remove -floop-block from -O2.
1855         * graphite-poly.c: Fail if -floop-block -floop-interchange or
1856         -floop-strip-mine are used.
1857
1858 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1859             Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
1862         dimensions.
1863         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
1864         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
1865         strip_mine_profitable_p, is_interchange_valid,
1866         graphite_trans_bb_block, graphite_trans_loop_block,
1867         graphite_trans_scop_block): Temporary removed.
1868         (extend_scattering, unify_scattering_dimensions): New.
1869         (print_scattering_function, graphite_read_transforms):
1870         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
1871         (graphite_generate_scattering_fns): Removed.
1872         (apply_poly_transforms): Cleanup.
1873         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
1874         (schedule_to_scattering): Moved.
1875         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
1876         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
1877         (pbb_nb_scattering): New.
1878         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
1879         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
1880         Removed.
1881         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
1882         shift_poly.
1883         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
1884         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
1885         -> PBB_TRANSFORMED_SCATTERING.
1886         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
1887         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
1888         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
1889         (check_poly_representation): Do not return bool.
1890         (graphite_transform_loops): Reformat.
1891         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
1892
1893 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1894
1895         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
1896         debug_pbb_domain, debug_pbb, debug_scop): New.
1897         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
1898         debug_pbb_domain, debug_pbb, debug_scop): Declared.
1899
1900 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         PR middle-end/39335
1903         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1904         when the type precision of the induction variable should be
1905         larger than the type precision of nit.
1906         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1907         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
1908         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1909
1910         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
1911         * testsuite/gcc.dg/graphite/pr39335.c: New.
1912
1913 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1914
1915         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1916         SSA_NAMES not struct reduction_info.
1917
1918 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
1921
1922 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1923             Tobias Grosser  <grosser@fim.uni-passau.de>
1924
1925         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
1926         (free_sese): Free SESE_REDUCTION_LIST.
1927         * sese.h (struct sese): Add field reduction_list.
1928         (SESE_REDUCTION_LIST): New.
1929         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
1930         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
1931
1932 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1933             Tobias Grosser  <grosser@fim.uni-passau.de>
1934
1935         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
1936         of loop_p.
1937
1938 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1939             Tobias Grosser  <grosser@fim.uni-passau.de>
1940
1941         * tree-parloops.c (struct brli, build_reduction_list_info,
1942         analyze_reduction_list, gather_scalar_reductions): New.
1943         (loop_parallel_p): Build a reduction list containing only
1944         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
1945         (gen_parallel_loop): Call the analysis analyze_reduction_list.
1946         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
1947         * tree-flow.h (gather_scalar_reductions): Declared.
1948
1949 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
1950
1951         PR middle-end/39308
1952         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
1953         number_of_iterations_exit from a gcc_assert.
1954
1955 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
1956             Jan Sjodin  <jan.sjodin@amd.com>
1957
1958         * output.h (graphite_out_file, graphite_in_file): Declared.
1959         * toplev.c (graphite_out_file, graphite_in_file): New.
1960         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
1961         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
1962         Don't call schedule_to_scattering.
1963         * common.opt (fgraphite-write, fgraphite-read): New.
1964         * graphite-poly.c: Include output.h.
1965         (print_scattering_function, print_scattering_functions,
1966         debug_scattering_function, debug_scattering_functions,
1967         graphite_write_transforms, graphite_read_transforms,
1968         graphite_generate_scattering_fns): New.
1969         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
1970         Call graphite_generate_scattering_fns, graphite_write_transforms,
1971         graphite_read_transforms.
1972         (new_poly_bb): Initialize PBB_SCATTERING.
1973         (free_poly_bb): Free PBB_SCATTERING.
1974         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
1975         * graphite-poly.h (struct poly_bb): Add field scattering.
1976         (PBB_SCATTERING): New.
1977         (print_scattering_function, print_scattering_functions,
1978         debug_scattering_function, debug_scattering_functions): Declared.
1979         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
1980         GMP values, not integers!
1981         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
1982         ppl_read_polyhedron_matrix): New.
1983         * graphite-ppl.h (ppl_print_polyhedron_matrix,
1984         debug_ppl_polyhedron_matrix,
1985         ppl_read_polyhedron_matrix): Declared.
1986         * Makefile.in (graphite-poly.o): Depends on output.h.
1987
1988 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1989             Tobias Grosser  <grosser@fim.uni-passau.de>
1990
1991         Revert this change:
1992         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
1993         scalar evolutions in the scop_entry->loop_father.
1994
1995 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1996             Tobias Grosser  <grosser@fim.uni-passau.de>
1997
1998         * graphite.h (ref_nb_loops): Remove declaration.
1999         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2000         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2001         debug_gbb): Moved to sese.h.
2002         * sese.h: As said.
2003
2004 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2005             Tobias Grosser  <grosser@fim.uni-passau.de>
2006
2007         * graphite-data-ref.[ch]: Disable.
2008
2009 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2010             Tobias Grosser  <grosser@fim.uni-passau.de>
2011
2012         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2013         scalar evolutions in the scop_entry->loop_father.
2014
2015 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2016
2017         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2018         (graphite_cannot_represent_loop_niter): Renamed
2019         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2020         (limit_scops): build_sese_loop_nests does not return a bool.
2021         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2022         * sese.c (nb_reductions_in_loop): ... from here.
2023         (graphite_loop_normal_form): ... from here.
2024         (sese_record_loop): Does not fail, so does not return a bool.
2025         (build_sese_loop_nests): Same.
2026         * sese.h (build_sese_loop_nests): Update declaration.
2027         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2028         (build_graphite_loop_normal_form): New.
2029         (gloog): Call build_graphite_loop_normal_form.
2030         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2031         build_sese_loop_nests.
2032
2033         * testsuite/gcc.dg/graphite/id-1.c: New.
2034
2035 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2036             Tobias Grosser  <grosser@fim.uni-passau.de>
2037
2038         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2039         The SCoP detection fix is sufficient.
2040
2041 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         PR tree-optimization/39260
2044         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2045         the basic block contains a condition with a real type.
2046         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2047
2048         * gcc.dg/graphite/pr39260.c: New.
2049
2050 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-poly.c: Inlcude params.h.
2053         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2054         the size of a tile.
2055         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2056         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2057
2058 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2059             Tobias Grosser  <grosser@fim.uni-passau.de>
2060
2061         * graphite-scop-detection.c (dot_all_scops_1,
2062         dot_all_scops): Moved here.
2063         * graphite-scop-detection.h (dot_all_scops): Declared here.
2064         * graphite.c (graphite_initialize, graphite_finalize): New.
2065         (graphite_transform_loops): Cleaned up.
2066         * sese.c (debug_oldivs): Moved here.
2067         * graphite-poly.c (graphite_apply_transformations): Renamed
2068         apply_poly_transforms.
2069         (debug_loop_vec): Moved here.
2070         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2071         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2072         find_scop_parameters, build_scop_iteration_domain,
2073         add_conditions_to_constraints, build_scop_canonical_schedules,
2074         build_scop_data_accesses): Now static.
2075         (build_poly_scop, check_poly_representation): New.
2076
2077 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2080         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2081         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2082         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2083         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2084         scan_tree_for_params, struct irp_data, dx_record_params,
2085         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2086         build_loop_iteration_domains, add_conditions_to_domain,
2087         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2088         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2089         build_sese_conditions, add_conditions_to_constraints,
2090         build_scop_iteration_domain, build_access_matrix_with_af,
2091         build_access_matrix,
2092         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2093
2094         * graphite-sese-to-poly.c: New.
2095         * graphite-sese-to-poly.h: New.
2096
2097         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2098
2099 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * graphite.c: Split graphite code generation to a new file.
2102         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2103         max_precision_type, clast_to_gcc_expression_red,
2104         clast_to_gcc_expression, gcc_type_for_clast_expr,
2105         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2106         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2107         graphite_create_new_guard, clast_get_body_of_loop,
2108         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2109         graphite_create_new_loop, build_iv_mapping, copy_renames,
2110         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2111         compute_cloog_iv_types, free_scattering, save_var_name,
2112         initialize_cloog_names, build_scop_context, build_cloog_prog,
2113         set_cloog_options, debug_clast_stmt, scop_to_clast,
2114         print_generated_program, debug_generated_program,
2115         gloog): Moved to graphite-clast-to-gimple.c.
2116
2117         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2118
2119         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2120         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2121         loop_iv_stack_pop, loop_iv_stack_get_iv,
2122         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2123         free_loop_iv_stack, loop_iv_stack_remove_constants,
2124         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2125         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2126         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2127         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2128         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2129         get_vdef_before_sese, sese_adjust_vphi,
2130         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2131         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2132         is_iv, expand_scalar_variables_ssa_name,
2133         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2134         expand_scalar_variables, rename_variables, remove_condition,
2135         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2136         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2137         default_liveout_before_guard, add_guard_exit_phis,
2138         insert_guard_phis, register_old_and_new_names,
2139         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2140         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2141         if_region_set_false_region, create_if_region_on_edge,
2142         move_sese_in_condition): Moved to sese.c.
2143
2144         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2145         if_region_exit, if_region_get_condition_block,
2146         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2147         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2148         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2149         ivtype_map_elt, new_ivtype_map_elt,
2150         recompute_all_dominators): Moved to sese.h.
2151
2152         * graphite-clast-to-gimple.c: New.
2153         * graphite-clast-to-gimple.h: New.
2154         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2155         * sese.c: Modified as said above.
2156         * sese.h: Same.
2157
2158 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * graphite.c: Split scop detection to a new file.
2161         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2162         move_sd_regions, loop_affine_expr, exclude_component_ref,
2163         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2164         graphite_cannot_represent_loop_niter, struct scopdet_info,
2165         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2166         find_single_entry_edge, find_single_exit_edge,
2167         create_single_entry_edge, sd_region_without_exit,
2168         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2169         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2170         Moved to graphite-scop-detection.c.
2171
2172         * graphite-scop-detection.c: New.
2173         * graphite-scop-detection.h: New.
2174         * Makefile.in: Add new rule for graphite-scop-detection.o.
2175
2176         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2177         tree-scalar-evolution.h.
2178         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2179         build_sese_loop_nests): Moved here from graphite.c.
2180         (param_index): Renamed parameter_index_in_region.
2181
2182 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2183             Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * gcc.dg/graphite/block-0.c: Expected to fail now.
2186         * gcc.dg/graphite/block-1.c: Same.
2187         * gcc.dg/graphite/block-5.c: Same.
2188         * gcc.dg/graphite/block-6.c: Same.
2189
2190 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2191             Sebastian Pop  <sebastian.pop@amd.com>
2192
2193         * graphite.h: Separate from graphite_bb_p the polyhedral
2194         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2195         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2196         graphite-data-ref.h.
2197         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2198         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2199         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2200         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2201         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2202         scop_nb_params): Moved to graphite-poly.h.
2203         * graphite-data-ref.c: Same.
2204         * graphite-data-ref.h: New.
2205         * graphite.c: Same.
2206         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2207         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2208         is_interchange_valid, graphite_trans_bb_block,
2209         graphite_trans_loop_block, scop_max_loop_depth,
2210         graphite_trans_scop_block, graphite_apply_transformations,
2211         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2212         graphite-poly.c.
2213         * graphite-poly.h: New.
2214         * graphite-poly.c: New.
2215         * Makefile.in (OBJS-common): Add graphite-poly.o.
2216         (graphite-poly.o): New rule.
2217         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2218         (DR_SCOP): Removed.
2219
2220 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2221             Tobias Grosser  <grosser@fim.uni-passau.de>
2222
2223         * graphite.c: Replace gb -> gbb.
2224         * graphite.h: Same.
2225         * graphite-data-ref.c: Same.
2226
2227 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2228             Tobias Grosser  <grosser@fim.uni-passau.de>
2229
2230         * Makefile.in (OBJS-commmon): Add sese.o.
2231         (sese.o): New.
2232         (graphite.o): Add sese.h.
2233         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2234         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2235         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2236         Move to sese.
2237         (block_before_scop): Add missing return.
2238         (new_scop, free_scop): Remove SESE data structures.
2239         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2240         find_scop_parameters, build_loop_iteration_domains,
2241         add_conditions_to_domain, register_scop_liveout_renames,
2242         copy_bb_and_scalar_dependences): Scop -> SESE.
2243
2244         (add_conditions_to_domain): SCoP -> SESE and remove check
2245         (scop_contains_non_iv_scalar_phi_nodes): New.
2246         (build_scop_conditions_1, build_scop_conditions): Remove check for
2247         non iv scalar phi nodes.
2248         (print_scop_statistics): New.
2249         (graphite_transform_loops): Cleanup.
2250
2251         * graphite.h: Move to sese & cleanup.
2252         * sese.c: New.
2253         * sese.h: New.
2254
2255 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2256             Tobias Grosser  <grosser@fim.uni-passau.de>
2257
2258         * graphite.c (build_scop_conditions_1): Conditions are only
2259         at the end of a basic block.
2260
2261 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2262             Tobias Grosser  <grosser@fim.uni-passau>
2263
2264         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2265         field.
2266         (GBB_ALPHA): Removed.
2267
2268 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2269             Tobias Grosser  <grosser@fim.uni-passau.de>
2270
2271         * graphite-data-ref.c (graphite_test_dependence): Don't use
2272         GBB_DYNAMIC_SCHEDULE.
2273         * graphite.c (new_graphite_bb): Same.
2274         (free_graphite_bb): Same.
2275         (build_scop_dynamic_schedules): Removed.
2276         (graphite_transform_loops): Don't call it.
2277         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2278         (GBB_DYNAMIC_SCHEDULE): Removed.
2279
2280 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2281             Tobias Grosser  <grosser@fim.uni-passau.de>
2282
2283         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2284         (print_graphite_bb): Same.
2285         (build_cloog_prog): Same.
2286
2287 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2288             Tobias Grosser  <grosser@fim.uni-passau.de>
2289
2290         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2291
2292 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2293             Tobias Grosser  <grosser@fim.uni-passau.de>
2294
2295         * graphite.c (build_scop_context): Don't use CloogMatrix.
2296         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2297         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2298
2299 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2300             Tobias Grosser  <grosser@fim.uni-passau.de>
2301
2302         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2303         liveout_renames, add_params fields...
2304         (struct sese): ... here.
2305         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2306         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2307
2308 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2309             Tobias Grosser  <grosser@fim.uni-passau.de>
2310
2311         * graphite.c (print_scop): Do not print the CLooG program.
2312         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2313         build_cloog_prog, gloog): Don't use SCOP_PROG.
2314         (find_transform): Renamed scop_to_clast.
2315         (print_generated_program, debug_generated_program): New.
2316         (graphite_transform_loops): Adapt to new interface.
2317         * graphite.h (struct scop): Remove program field.
2318         (SCOP_PROG): Removed.
2319         (print_generated_program, debug_generated_program): Declared.
2320
2321 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2322
2323         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2324         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2325         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2326         free_graphite_bb, build_scop_canonical_schedules,
2327         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2328         schedules are now represented using a ppl_Linear_Expression_t.
2329         * graphite.h (struct graphite_bb): Same.
2330         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2331         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2332
2333 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2334
2335         * graphite.c: Free local memory.
2336         * graphite-ppl.c: Same.
2337
2338 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2341         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2342         swap_constraint_variables, scale_constraint_variable): Removed.
2343         (graphite_trans_bb_strip_mine): Remove pong.
2344         * graphite-ppl.c: Include missing header files.
2345         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2346         * graphite-ppl.h (ppl_strip_loop): Declared.
2347         * Makefile.in (graphite-ppl.o): Adjust dependences.
2348
2349 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2352         (build_scop_iteration_domain): Same.
2353
2354 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2355
2356         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2357         ping pong.
2358         (add_value_to_dim, scan_tree_for_params_right_scev,
2359         scan_tree_for_params_int): New.
2360         * graphite-ppl.c (oppose_constraint): New.
2361         (insert_constraint_into_matrix): Implement missing cases.
2362         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2363
2364 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2367         use ppl_move_dimension.
2368
2369 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2372         * graphite.c: Same.
2373         * graphite.h: Same.
2374         * graphite-ppl.c: Same.
2375         * graphite-ppl.h: Same.
2376
2377 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         Revert last 3 commits.
2380
2381 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2384         ping pong.
2385         (add_value_to_dim, scan_tree_for_params_right_scev,
2386         scan_tree_for_params_int): New.
2387         * graphite-ppl.c (oppose_constraint): New.
2388         (insert_constraint_into_matrix): Implement missing cases.
2389         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2390
2391 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2392
2393         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2394
2395 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2396             Tobias Grosser  <grosser@fim.uni-passau.de>
2397
2398         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2399         use ppl_move_dimension.
2400         * graphite-ppl.c (ppl_move_dimension): New.
2401         * graphite-ppl.h (ppl_move_dimension): Declared.
2402
2403 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * graphite.c: Do not include cloog/cloog.h.
2406         (print_graphite_bb): Remove ping pong, call PPL print function.
2407
2408 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2409
2410         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2411         (graphite.o): Add dependence on graphite-ppl.h.
2412         (graphite-ppl.o): New.
2413         (graphite-data-ref.c): Ping pong between PPL data structures
2414         and matrices.
2415         * graphite-ppl.c: New.
2416         * graphite-ppl.h: New.
2417         * graphite.c: Include graphite-ppl.h.
2418         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2419         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2420         Ping pong between PPL data structures and matrices.
2421         (new_graphite_bb): Create a PPL constraint system.
2422         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2423         (build_loop_iteration_domains): Use PPL functions.
2424         * graphite.h: Include graphite-ppl.h.  Fix comments.
2425         (graphite_bb): Use a ppl_Constraint_System_t instead of
2426         CloogMatrix for representing the domain.
2427         (scop): Remove static_schedule.
2428         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2429
2430 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * graphite.c: Fix some comments.
2433
2434 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2435
2436         PR middle-end/38953
2437         * graphite.c (if_region_set_false_region): After moving a region
2438         in the false branch of a condition, remove the empty dummy
2439         basic block.
2440         (gloog): Remove wrong fix for PR38953.
2441
2442 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2443
2444         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2445         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2446         register_bb_in_sese, new_sese, free_sese): Moved.
2447         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2448         outermost_loop_in_scop, build_scop_iteration_domain,
2449         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2450         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2451         Use loop_in_sese_p instead of loop_in_scop_p.
2452         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2453         (free_scop): Do not free SCOP_BBS_B.
2454         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2455         ref_nb_loops): Moved here...
2456         * graphite.h (ref_nb_loops): ... from here.
2457         (struct scop): Remove bbs_b bitmap.
2458         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2459         * testsuite/gcc.dg/graphite/scop-19.c: New
2460
2461 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2462
2463         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2464         detection.
2465
2466 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2467
2468         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2469         eq_loop_to_cloog_loop): Remove.
2470         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2471         * graphite.h (struct scop): Remove loop2cloog_loop.
2472         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2473
2474 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2475
2476         * opts.c (decode_options): Only add graphite options to O2
2477         if we compile with graphite enabled.
2478
2479 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * Merge from mainline (r143163:143684).
2482
2483 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         * graphite.c (debug_value): Removed.
2486         * graphite.h (debug_value): Removed.
2487
2488 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2491         after graphite: pass_copy_prop does not maintain a proper loop closed
2492         SSA form.  pass_copy_prop should be fixed.
2493
2494 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2495
2496         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2497
2498 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2501         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2502         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2503         changed the CFG.
2504
2505 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2506
2507         * graphite.c (gloog): Return true when code gen succeeded.
2508         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2509         the code of the function did not changed.  After cleanup_tree_cfg
2510         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2511         form.
2512
2513 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2514
2515         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2516         gimple_call_lhs is NULL.
2517
2518 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2519             Tobias Grosser  <tobi.grosser@amd.com>
2520
2521         * graphite.c (graphite_trans_scop_block): Do not block single
2522         nested loops.
2523
2524 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2525             Tobias Grosser  <tobi.grosser@amd.com>
2526
2527         * graphite.c (build_scop_canonical_schedules): Start schedules at
2528         zero.
2529
2530 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2531             Tobias Grosser  <tobi.grosser@amd.com>
2532
2533         * graphite.c (compare_prefix_loops): New.
2534         (build_scop_canonical_schedules): Rewritten.
2535         (graphite_transform_loops): Move build_scop_canonical_schedules
2536         after build_scop_iteration_domain.
2537
2538 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2539             Tobias Grosser  <tobi.grosser@amd.com>
2540
2541         * graphite.c (add_conditions_to_domain): Add the loops to
2542         the dimension of the iteration domain.  Do copy the domain
2543         only when it exists.
2544         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2545         (add_conditions_to_constraints): New.
2546         (can_generate_code_stmt, can_generate_code): Removed.
2547         (gloog): Do not call can_generate_code.
2548         (graphite_transform_loops): Call add_conditions_to_constraints
2549         after building the iteration domain.
2550
2551 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2552             Tobias Grosser  <tobi.grosser@amd.com>
2553             Jan Sjodin  <jan.sjodin@amd.com>
2554
2555         * graphite.c (scan_tree_for_params): On substractions negate
2556         all the coefficients of the term.
2557         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2558         of more than two operands.
2559         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2560         (get_vdef_before_scop): Handle also the case of default definitions.
2561
2562 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2563
2564         PR middle-end/38431
2565         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2566         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2567         (gloog): Do not call cleanup_tree_cfg.
2568         (graphite_transform_loops): Call cleanup_tree_cfg after all
2569         scops have been code generated.
2570
2571 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         * passes.c (init_optimization_passes): Schedule after
2574         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2575
2576 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2577
2578         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2579         Fix comment.
2580         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2581         Set the type of an expression to the type of its assign statement.
2582         (expand_scalar_variables_expr):  Do not pass loop_p.
2583         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2584         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2585         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2586
2587 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2590         an expression to the gimple_expr_type of its assign statement.
2591         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2592         or tcc_declaration.
2593
2594 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2595
2596         PR tree-optimization/38786
2597         * testsuite/gcc.dg/graphite/pr38786.c: New.
2598         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2599         the SSA_NAME case of expand_scalar_variables_expr.
2600         (expand_scalar_variables_expr): Also gather the scalar computation
2601         used to index the memory access.
2602         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2603         the gimple_stmt_iterator where it inserts new code.
2604
2605 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2608
2609 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2610
2611         * opts.c (decode_options): Enable flag_graphite_identity and
2612         flag_loop_block in -O2 and above.
2613
2614 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2617         Fix merge problem: replace with the file from trunk.
2618
2619 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * Merge from mainline (r141727:143163).
2622
2623 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2624             Jan Sjodin  <jan.sjodin@amd.com>
2625
2626         PR tree-optimization/38559
2627         * testsuite/gcc.dg/graphite/pr38559.c: New.
2628
2629         * graphite.c (debug_value, copy_constraint,
2630         swap_constraint_variables, scale_constraint_variable, ): New.
2631         (get_lower_bound, get_upper_bound): Removed.
2632         (graphite_trans_bb_strip_mine): Clean up this code that works
2633         only for constant number of iterations.  Fully copy upper and
2634         lower bound constraints, not only the constant part of them.
2635         * graphite.h (debug_value): Declared.
2636
2637 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2638
2639         PR tree-optimization/38492
2640         PR tree-optimization/38498
2641         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2642         * tree-chrec.h (scev_is_linear_expression): Declared.
2643         * graphite.c (graphite_cannot_represent_loop_niter): New.
2644         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2645         (graphite_loop_normal_form): Use gcc_assert.
2646         (scan_tree_for_params): Use CASE_CONVERT.
2647         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2648         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2649         Use gcc_assert.  Discard scops that contain unhandled cases.
2650         (build_scop_conditions): Return a boolean status for unhandled cases.
2651         (strip_mine_profitable_p): Print the loop number, not its depth.
2652         (is_interchange_valid): Pass the depth of the loop nest, don't
2653         recompute it wrongly.
2654         (graphite_trans_bb_block): Same.
2655         (graphite_trans_bb_block): Print tentative of loop blocking.
2656         (graphite_trans_scop_block): Do not print that the loop has been
2657         blocked.
2658         (graphite_transform_loops): Do not handle scops that contain condition
2659         scalar phi nodes.
2660
2661         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2662         in trunk.
2663         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2664         * testsuite/gcc.dg/graphite/block-1.c: Same.
2665         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2666         blocking.
2667         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2668         * testsuite/gcc.dg/graphite/block-3.c: New.
2669         * testsuite/gcc.dg/graphite/pr38498.c: New.
2670
2671 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2672
2673         PR tree-optimization/38510
2674         * gcc.dg/graphite/pr38510.c: New.
2675         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2676           (translate_clast): Call recompute_all_dominators before
2677           graphite_verify.
2678           (gloog): Call recompute_all_dominators before graphite_verify.
2679
2680 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
2681
2682         PR tree-optimization/38492
2683         * graphite.c (rename_map_elt, debug_rename_elt,
2684         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2685         rename_map_elt_info, eq_rename_map_elts,
2686         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2687         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2688         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2689         (sese_build_livein_liveouts): New.
2690         (new_sese, free_sese): New.
2691         (new_scop): Call new_sese.
2692         (free_scop): Call free_sese.
2693         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2694         (register_old_new_names): Renamed register_old_and_new_names.
2695         (register_scop_liveout_renames, add_loop_exit_phis,
2696         insert_loop_close_phis, struct igp,
2697         default_liveout_before_guard, add_guard_exit_phis,
2698         insert_guard_phis, copy_renames): New.
2699         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2700         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2701         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2702         (scop_adjust_phis_for_liveouts): New.
2703         (gloog): Call scop_adjust_phis_for_liveouts.
2704
2705         * graphite.h (struct sese): Documented.  Added fields liveout,
2706         num_ver and livein.
2707         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2708         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2709         (struct scop): Added field liveout_renames.
2710         (SCOP_LIVEOUT_RENAMES): New.
2711
2712 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2713
2714         PR tree-optimization/38409
2715         * gcc.dg/graphite/pr38409.c: New.
2716         * graphite.c (nb_reductions_in_loop): Use simple_iv.
2717
2718 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2719
2720         * graphite.c (gcc_type_for_cloog_iv): By default return
2721         integer_type_node.
2722         (graphite_create_new_loop): Don't fold_convert the already
2723         fold_convert-ed expression.
2724
2725 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
2726
2727         PR tree-optimization/38446
2728         * gcc.dg/graphite/pr38446.c: New.
2729         * graphite.c (register_bb_in_sese): New.
2730         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
2731         looking at the bbs in the region.
2732         * graphite.h (sese): Add region_basic_blocks pointer set to
2733         structure and initialize at the time of defining new scop.
2734
2735 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2736
2737         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
2738         (find_params_in_bb): Do not free data refs.
2739         (free_graphite_bb): Add FIXME on disabled free_data_refs.
2740
2741 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
2744         * testsuite/gcc.dg/graphite/scop-17.c: Same.
2745         * testsuite/gcc.dg/graphite/block-5.c: New.
2746         * testsuite/gcc.dg/graphite/block-6.c: New.
2747         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
2748         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2749         * testsuite/gcc.dg/graphite/block-2.c: Same.
2750
2751         * graphite.c (struct ivtype_map_elt): New.
2752         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
2753         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
2754         gcc_type_for_cloog_iv): New.
2755         (loop_iv_stack_patch_for_consts): Use the type of the induction
2756         variable from the original loop, except for the automatically
2757         generated loops, i.e., in the case of a strip-mined loop, in
2758         which case there is no original loop: in that case just use
2759         integer_type_node.
2760         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
2761         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
2762         (clast_name_to_gcc): Accept params to be NULL.
2763         (clast_to_gcc_expression): Take an extra parameter for the type.
2764         Convert to that type all the expressions built by this function.
2765         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
2766         (graphite_translate_clast_equation): Compute the type of the
2767         clast_equation before translating its LHS and RHS.
2768         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
2769         (graphite_create_new_loop): Compute the type of the induction
2770         variable before translating the lower and upper bounds and before
2771         creating the induction variable.
2772         (rename_variables_from_edge, rename_phis_end_scop): New.
2773         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
2774         (sese_add_exit_phis_edge): Do not use integer_zero_node.
2775         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2776         compute_cloog_iv_types): New.
2777         (gloog): Call compute_cloog_iv_types before starting the
2778         translation of the clast.
2779
2780         * graphite.h (struct graphite_bb): New field cloog_iv_types.
2781         (GBB_CLOOG_IV_TYPES): New.
2782         (debug_ivtype_map): Declared.
2783         (oldiv_for_loop): New.
2784
2785 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2786
2787         PR middle-end/38459
2788         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
2789         (param_index): Assert if parameter is not know after parameter
2790         detection.
2791         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
2792         (find_scop_parameters): Mark, that we have finished parameter
2793         detection.
2794         (graphite_transform_loops): Move condition detection before parameter
2795         detection.
2796         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
2797         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
2798
2799 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2800
2801         * graphite.c (graphite_transform_loops): Always call find_transform ()
2802         in ENABLE_CHECKING.  So we test these code paths, even if we do not
2803         generate code.
2804
2805 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2806
2807         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
2808         (print_scop): Ditto.
2809
2810 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2811
2812         PR middle-end/38084
2813         Fix testsuite/gfortran.dg/graphite/id-3.f90.
2814         * graphite.c (scopdet_basic_block_info): Fix bug that found some
2815         regions more than once.
2816
2817 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         Fix testsuite/gfortran.dg/graphite/id-4.f90.
2820         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
2821         when not needed.
2822
2823 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
2824
2825         Fix testsuite/gfortran.dg/graphite/id-1.f90.
2826         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
2827         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
2828         (max_precision_type): New.
2829         (value_clast): Removed.
2830         (clast_to_gcc_expression): Be more careful to types of expressions.
2831         Use max_precision_type and update use of gmp_cst_to_tree.
2832         (graphite_translate_clast_equation): Use max_precision_type.
2833         (graphite_create_guard_cond_expr): Do not use integer_type_node,
2834         use the type of the condition.
2835         (graphite_create_new_loop): Do not use integer_type_node, use the
2836         max_precision_type of lb and ub.
2837
2838 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
2839
2840         * graphite.c (build_scops_1): Initialize open_scop.exit
2841         and sinfo.last.
2842
2843 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * testsuite/gcc.dg/graphite/pr38084.c: New.
2846         * testsuite/gfortran.dg/graphite/id-1.f90: New.
2847         * testsuite/gfortran.dg/graphite/id-2.f90: New.
2848         * testsuite/gfortran.dg/graphite/id-3.f90: New.
2849         * testsuite/gfortran.dg/graphite/id-4.f90: New.
2850         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
2851
2852 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
2853             Jan Sjodin  <jan.sjodin@amd.com>
2854             Harsha Jagasia  <harsha.jagasia@amd.com>
2855
2856         PR middle-end/37852
2857         PR middle-end/37883
2858         PR middle-end/37928
2859         PR middle-end/37980
2860         PR middle-end/38038
2861         PR middle-end/38039
2862         PR middle-end/38073
2863         PR middle-end/38083
2864         PR middle-end/38125
2865
2866         * testsuite/gcc.dg/graphite/pr38073.c: New.
2867         * testsuite/gcc.dg/graphite/pr37928.c: New.
2868         * testsuite/gcc.dg/graphite/pr37883.c: New.
2869         * testsuite/gcc.dg/graphite/pr38125.c: New.
2870         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
2871         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
2872         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
2873
2874         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
2875         the number of detected scops.  Copy exact same test for loop
2876         blocking...
2877         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
2878         loops to be blocked as reductions are not handled.
2879         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
2880
2881         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
2882         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
2883         ...here.
2884         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
2885         * Makefile.in (graphite.o): Depend on value-prof.h.
2886         (graphite.o-warn): Removed -Wno-error.
2887         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
2888         to be a NULL pointer.  Call update_stmt.  Return the newly created
2889         cannonical induction variable.
2890
2891         * graphite.h (debug_rename_map): Declared.  Fix some comments.
2892
2893         * graphite.c: Reimplement the code generation from graphite to gimple.
2894         Include value-prof.h.
2895         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
2896         (get_old_iv_from_ssa_name): Removed.
2897         (graphite_stmt_p): New.
2898         (new_graphite_bb): Test for useful statements before building a
2899         graphite statement for the basic block.
2900         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
2901         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
2902         reason.
2903         (recompute_all_dominators, graphite_verify,
2904         nb_reductions_in_loop, graphite_loop_normal_form): New.
2905         (scop_record_loop): Call graphite_loop_normal_form.
2906         (build_scop_loop_nests): Iterate over all the blocks of the
2907         function instead of relying on the incomplete information from
2908         SCOP_BBS.  Return the success of the operation.
2909         (find_params_in_bb): Use the data from GBB_DATA_REFS.
2910         (add_bb_domains): Removed.
2911         (build_loop_iteration_domains): Don't call add_bb_domains.
2912         Add the iteration domain only to the basic blocks that have been
2913         translated to graphite.
2914         (build_scop_conditions_1): Add constraints only if the basic
2915         block have been translated to graphite.
2916         (build_scop_data_accesses): Completely disabled until data
2917         dependence is correctly implemented.
2918         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
2919         (remove_all_edges_1, remove_all_edges): Removed.
2920         (get_new_name_from_old_name): New.
2921         (graphite_rename_variables_in_stmt): Renamed
2922         rename_variables_in_stmt.  Call get_new_name_from_old_name.
2923         Use replace_exp and update_stmt.
2924         (is_old_iv): Renamed is_iv.
2925         (expand_scalar_variables_stmt): Extra parameter for renaming map.
2926         Use replace_exp and update_stmt.
2927         (expand_scalar_variables_expr): Same.  Use the map to get the
2928         new names for the renaming of induction variables and for the
2929         renaming of variables after a basic block has been copied.
2930         (expand_scalar_variables): Same.
2931         (graphite_rename_variables): Renamed rename_variables.
2932         (move_phi_nodes): Removed.
2933         (get_false_edge_from_guard_bb): New.
2934         (build_iv_mapping): Do not insert the induction variable of a
2935         loop in the renaming iv map if the basic block does not belong
2936         to that loop.
2937         (register_old_new_names, graphite_copy_stmts_from_block,
2938         copy_bb_and_scalar_dependences): New.
2939         (translate_clast): Heavily reimplemented: copy basic blocks,
2940         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
2941         At each translation step call graphite_verify ensuring the
2942         consistency of the SSA, loops and dominators information.
2943         (collect_virtual_phis, find_vdef_for_var_in_bb,
2944         find_vdef_for_var_1, find_vdef_for_var,
2945         patch_phis_for_virtual_defs): Removed huge hack.
2946         (mark_old_loops, remove_dead_loops, skip_phi_defs,
2947         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
2948         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
2949         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
2950         if_region_get_condition_block, if_region_set_false_region,
2951         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
2952         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
2953         sese_add_exit_phis_edge, sese_add_exit_phis_var,
2954         rewrite_into_sese_closed_ssa): New.
2955         (gloog): Remove dead code.  Early return if code cannot be
2956         generated.  Call cleanup_tree_cfg once the scop has been code
2957         generated.
2958         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
2959         block loops with less than two loops.
2960         (graphite_apply_transformations): Remove the call to
2961         scop_remove_ignoreable_gbbs.
2962         (limit_scops): When build_scop_loop_nests fails, continue on
2963         the next scop.  Fix open_scop.entry.
2964         (graphite_transform_loops): Call recompute_all_dominators: force the
2965         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
2966         Call initialize_original_copy_tables and free_original_copy_tables
2967         to be able to copy basic blocks during code generation.
2968         When build_scop_loop_nests fails, continue on next scop.
2969         (value_clast): New union.
2970         (clast_to_gcc_expression): Fix type cast warning.
2971
2972 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * Merge from mainline (r140838:141727).
2975
2976 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2977
2978         PR middle-end/37833
2979
2980         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
2981
2982 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2983
2984         PR middle-end/37943
2985
2986         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
2987         exits and conditions.
2988         * testsuite/gcc.dg/graphite/pr37943.c: New.
2989
2990 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2991
2992         PR middle-end/37886
2993         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
2994
2995 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2996
2997         * doc/invoke.texi: Fix spaces.
2998
2999 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         PR tree-optimization/37891
3002         Reverted last commit.
3003         * graphite.c (create_single_entry_edge): Set
3004         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3005
3006 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3007             Mitul Thakkar  <mitul.thakkar@amd.com>
3008
3009         * graphite.c (create_single_entry_edge): Set
3010         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3011
3012 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3013
3014         * doc/invoke.texi: Add -fgraphite-identity.
3015         * graphite.c (graphite_apply_transformations): Check for
3016         -fgraphite-identity.
3017         * toplev.c (process_options): Add flag_graphite_identity.
3018         * tree-ssa-loop.c: Add flag_graphite_identity.
3019
3020 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         Undo changes from 2008-10-02:
3023         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3024         operand type when copying the operand to a variable of different type.
3025         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3026         with the IV name after increment.
3027
3028 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3029             Harsha Jagasia  <harsha.jagasia@amd.com>
3030
3031         PR tree-optimization/37828
3032         * testsuite/gcc.dg/graphite/pr37828.c: New.
3033         * graphite.c (graphite_trans_loop_block): Do not loop block
3034         single nested loops.
3035
3036 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3037             Sebastian Pop  <sebastian.pop@amd.com>
3038
3039         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3040         rename_map_elt_info, eq_rename_map_elts): New.
3041         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3042         (expand_scalar_variables_expr): Change parameters.
3043         (expand_scalar_variables_stmt): Same.
3044         (expand_scalar_variables): Same.
3045         (graphite_rename_ivs): Rename graphite_rename_variables.
3046         (build_iv_mapping): New.
3047         (translate_clast): Call build_iv_mapping.
3048         * graphite.h (gbb_p): New name.
3049
3050 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3051
3052         PR tree-optimization/37684
3053         * gcc.dg/graphite/pr37684.c: New.
3054         * graphite.c (exclude_component_ref): New.
3055         (is_simple_operand): Call exclude_component_ref.
3056
3057 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3058             Harsha Jagasia  <harsha.jagasia@amd.com>
3059
3060         PR tree-optimization/37485
3061         * gcc.dg/graphite/block-2.c: New
3062         * graphite.c (gmp_cst_to_tree): Moved.
3063         (iv_stack_entry_is_constant): New.
3064         (iv_stack_entry_is_iv): New.
3065         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3066         (loop_iv_stack_insert_constant): New.
3067         (loop_iv_stack_pop): Use new datatpype.
3068         (loop_iv_stack_get_iv): Same.
3069         (loop_iv_stack_get_iv_from_name): Same.
3070         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3071         (loop_iv_stack_patch_for_consts): New.
3072         (loop_iv_stack_remove_constants): New.
3073         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3074         (translate_clast): Call loop_iv_stack_patch_for_consts and
3075         loop_iv_stack_remove_constants.
3076         (gloog): Use new datatype.  Redirect construction edge to end
3077         block to avoid accidental deletion.
3078         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3079         iv stack entry.
3080         (union iv_stack_entry_data): New.  Data in iv stack entry.
3081         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3082
3083 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3084
3085         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3086         operand type when copying the operand to a variable of different type.
3087
3088 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3089
3090         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3091         with the IV name after increment.
3092
3093 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * Merge from mainline (r140164:140838).
3096
3097 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3098
3099         * graphite-data-ref.c: New.
3100         * graphite.c (print_scop): Also dump the dependence graph.
3101         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3102         (new_scop): Initialize SCOP_DEP_GRAPH.
3103         (build_scop_dynamic_schedules): New.
3104         (build_access_matrix_with_af): Fixed column numbering.
3105         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3106         * graphite.h: Add ifndef/define guards against multiple inclusion.
3107         (struct scop): Add dep_graph field.
3108         (SCOP_DEP_GRAPH): Defined.
3109         (ref_nb_loops): Fixed and moved to other position.
3110         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3111         (nb_loops_around_loop_in_scop): New.
3112         (graphite_dump_dependence_graph): Declared.
3113         (graphite_build_rdg_all_levels): Declared.
3114         (graphite_test_dependence): Declared.
3115         * Makefile.in (graphite-data-ref.o): New target.
3116
3117 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * Merge from mainline (139870:140164).
3120
3121 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * Merge from mainline (138275:139870).
3124         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3125         the commits from trunk broke the niter detection.
3126
3127 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3128
3129         * graphite.c: Add more documentation.  Fix formatting.
3130         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3131         loop_iv_stack_debug): Moved...
3132         (schedule_to_scattering): Move before use.
3133         (dot_all_scops): Include in "#if 0" the code for system
3134         call dotty.
3135
3136         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3137         loop_iv_stack_debug): ...here.
3138
3139 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3140
3141         * tree-phinodes.c (make_phi_node): Extern.
3142         (add_phi_node_to_bb): New.
3143         (create_phi_node): Call add_phi_node_to_bb.
3144         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3145         (remove_statement): Handle case where stored phi was updated
3146         and is no longer the same.
3147         * graphite.c (is_parameter): New.
3148         (is_old_iv): New.
3149         (expand_scalar_variables_expr): New.
3150         (expand_scalar_variables_stmt): New.
3151         (expand_scalar_variables): New.
3152         (move_phi_nodes): Create new phi instead of moving old one.
3153         (translate_clast): Call expand_scalar_variables.
3154         (find_vdef_for_var_in_bb): Also scan regular definitions.
3155         (skip_phi_defs): New.
3156         (collect_scop_exit_phi_args): New.
3157         (patch_scop_exit_phi_args): New.
3158         (gloog): Patch phis after scop.
3159         * tree-flow.h: (add_phi_node_to_bb): Declared.
3160         (make_phi_node): Declared.
3161
3162 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3163
3164         * graphite.c (end_scop): Split the entry of the scop when it
3165         is the header of the loop in which the scop is ending.
3166         (build_scops_1, limit_scops): Update uses of end_scop.
3167
3168 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3169
3170         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3171         SCOP_ENTRY or SCOP_EXIT.
3172
3173 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3174
3175         * graphite.c (get_construction_edge): Removed.
3176         (gloog): Construction edge is the scop entry edge.
3177
3178 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         * graphite.c (can_generate_for_scop): Removed.
3181         (gloog): Do not call it.
3182
3183 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3184
3185         * graphite.c (new_scop): Entry of a scop is an edge.
3186         Initialize SESE region.
3187         (free_scop): Free SESE region.
3188         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3189         (split_difficult_bb): New, split from end_scop.
3190         (end_scop): Exit of a scop is an edge.
3191         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3192         not automatically updated and thus is always wrong.
3193         * graphite.h (struct sese): New.
3194         (SESE_ENTRY): New.
3195         (SESE_EXIT): New.
3196         (struct scop): New field for a SESE region.  Remove entry, exit.
3197         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3198         semantics as before.  Moved comment around.
3199
3200 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3201             Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         * graphite.c (graphite_transform_loops): Always enable gloog
3204         and find_transform when ENABLE_CHECKING.
3205
3206 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * graphite.c (graphite_transform_loops): Move pretty printer
3209         of SCOPs before doing any transform.  Remove call to print_scops
3210         and dot_all_scops_1.
3211
3212 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3215         (print_graphite_bb): Same.
3216
3217 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3218
3219         * graphite.c (dot_all_scops_1): Cleanup.
3220         (move_scops): Fix comment.
3221
3222 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         * graphite.c (build_scop_bbs): Revert commit 139355:
3225
3226         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3227                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3228
3229                 * graphite.c (build_scop_bbs): Factor up code.
3230
3231 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3232
3233         * graphite.c (gloog): Update dominator info.
3234
3235 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3236
3237         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3238
3239 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3242         initialization.
3243         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3244         (translate_clast): Correct formatting.
3245         * graphite.h (struct num_map): Removed.
3246         (struct graphite_bb): Remove num_map field.
3247         (GBB_INDEX_TO_NUM_MAP): Removed.
3248
3249 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * graphite.c (build_access_matrix_with_af): Fix comments.
3252         (build_scop_data_accesses): Same.
3253
3254 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * graphite.c (build_scop_data_accesses): Don't construct
3257         access matrices.  Add a FIXME and an assert condition that
3258         should pass when the access matrices will be needed.
3259
3260 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3263         really_constant_p.
3264         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3265         Moved close by free_graphite_bb.
3266         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3267         (new_scop): Move close by free_scop.
3268         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3269
3270 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3271
3272         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3273         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3274         instead of recursive call.
3275         (graphite_translate_clast_equation): New.
3276         (graphite_create_guard_cond_expr): New.
3277         (graphite_create_new_guard): New.
3278         (get_stack_index_from_iv): Removed.
3279         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3280         (get_true_edge_from_guard_bb): New.
3281         (translate_clast): Handle stmt_guard in clast.
3282         (get_construction_edge): Allow construction edge detection for
3283         a scope entry with multiple predecessors if one predecessor is
3284         the immediate dominator of scope entry.
3285         (can_generate_code_stmt): Enable code generation for clast_guard.
3286         (gloog): Use correct context loop.  Removed check for post dominators.
3287         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3288
3289 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291         * graphite.c (remove_dead_loops): Document better which
3292         loops are removed.
3293
3294 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3295
3296         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3297         and PPLINC.
3298         (graphite.o): Also depends on pointer-set.h.
3299
3300 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3301
3302         * graphite.c (scop_record_loop): Fix compile warning.
3303
3304 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3305             Sebastian Pop  <sebastian.pop@amd.com>
3306
3307         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3308
3309 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3310
3311         * graphite.c (build_graphite_bb): Initialize bb->aux to
3312         point to the graphite_bb_p.
3313         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3314         content of bb->aux.
3315         (add_bb_domains): Does not use the scop parameter.
3316         (graphite_transform_loops): Clean bb->aux at the end.
3317
3318 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3319             Sebastian Pop  <sebastian.pop@amd.com>
3320
3321         * testsuite/lib/target-supports.exp
3322         (check_effective_target_fgraphite): New.
3323
3324         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3325         check_effective_target_fgraphite returns false.
3326         Set dg-do-what-default to compile.
3327         (scan-graphite-dump-times): Removed.
3328         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3329
3330         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3331         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3332         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3333         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3334         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3335         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3336         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3337         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3338         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3339         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3340         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3341         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3342         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3343         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3344         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3345         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3346         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3347         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3348         * testsuite/gcc.dg/graphite/block-0.c: Same.
3349         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3350         * testsuite/gcc.dg/graphite/block-1.c: Same.
3351         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3352         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3353         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3354         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3355         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3356
3357 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * graphite.c: Fix some XXX comments.
3360         (build_scop_dynamic_schedules): Removed.
3361
3362 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * graphite.h (scop_max_loop_depth): Moved...
3365         * graphite.c (scop_max_loop_depth): ...here.
3366         (remove_all_edges_1): New.
3367         (remove_all_edges): Factored code.
3368         (remove_cond_exprs): Check only the last statement for
3369         a GIMPLE_COND expression.
3370
3371 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite.c (scan_tree_for_params): Early return when the
3374         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3375         (find_scop_parameters): Factor out code.
3376         (graphite_trans_bb_strip_mine): Remove dead code.
3377
3378 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3379
3380         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3381         graphite_trans_bb_move_loop): Factor asserts.
3382         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3383         Do not call calculate_dominance_info and estimate_bb_frequencies.
3384
3385 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3386
3387         * graphite.c (create_loops_mapping, free_loops_mapping,
3388         create_loops_mapping_num, debug_loop_mapping_1,
3389         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3390         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3391         graphite_loops_mapping_add_child_num,
3392         graphite_loops_mapping_insert_child,
3393         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3394         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3395         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3396         create_num_from_index, get_num_from_index,
3397         swap_loop_mapped_depth): Removed.
3398         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3399         (free_scop): Do not call free_loops_mapping.
3400         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3401         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3402         get_loop_mapped_depth.
3403         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3404         (graphite_trans_bb_strip_mine): Same.
3405         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3406         (struct scop): Remove field loops_mapping.
3407
3408 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3409             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3410
3411         * graphite.c (scop_record_loop): Factor out one level of the
3412         condition by early return.
3413         (build_scop_loop_nests): Format following FSF coding style.
3414         (build_scop_dynamic_schedules): Factor out code.
3415         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3416
3417 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3418             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3419
3420         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3421         assignments that are not handled as simple operands for now.
3422
3423 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3424             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3425
3426         * graphite.c (build_scop_bbs): Factor up code.
3427
3428 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3429             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3430
3431         * graphite.c (stmt_simple_for_scop_p): Factor code out
3432         of the loop.
3433         (enum gbb_type): New.  Group all the GBB_* types under it.
3434         (is_loop_exit): Moved...
3435         (end_scop): Enable BB spliting.
3436         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3437         * cfgloop.h (is_loop_exit): Declared.
3438
3439 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * doc/invoke.texi: Remove strides from examples containing
3442         DO loops when the strides are equal to 1.
3443
3444 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3445             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3446
3447         * graphite.c (graphite_trans_scop_block): Or the result with
3448         the result from graphite_trans_loop_block.
3449         * testsuite/gcc.dg/graphite/block-1.c: New.
3450         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3451         * testsuite/gfortran.dg/graphite/block-2.f: New.
3452
3453 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3454
3455         * graphite.c (graphite_transform_loops): Call cloog_initialize
3456         and cloog_finalize.
3457
3458 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3459
3460         * tree-data-ref.c) (stmt_simple_memref_p): New.
3461         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3462         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3463         (is_simple_operand): Call stmt_simple_memref_p.
3464
3465         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3466         using pointer arithmetic, as this is optimized by PRE and
3467         makes the code too difficult to analyze.
3468
3469         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3470
3471 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * gdbinit.in (pgg): New.
3474
3475 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3476
3477         * graphite.c (graphite_trans_loop_block): Fix warning.
3478
3479 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3480
3481         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3482
3483 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3484
3485         * graphite.c (graphite_trans_bb_block): Remove check for
3486         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3487         Check if loop blocking is profitable for every loop, before applying
3488         the changes.
3489         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3490         if flag_loop_block is set.
3491
3492 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3493
3494         * graphite.c: Add some more documentation for the loop
3495         mapping.
3496
3497 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3498
3499         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3500         * graphite.c: Format on less than 80 columns.
3501         * graphite.h: Same.
3502
3503 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3506
3507 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3508
3509         * doc/invoke.texi (floop-block, floop-strip-mine,
3510         floop-interchange): Update documentation with examples.
3511
3512 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3513
3514         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3515         add_referenced_var.
3516         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3517
3518 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3521         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3522         * tree-scalar-evolution.c: Revert useless changes.
3523         * tree-phinodes.c: Same.
3524         * cfghooks.c: Same.
3525         * vec.h: Same.
3526         * tree-vectorizer.h: Same.
3527         * tree-flow.h: Same.
3528         * tree-cfg.c: Same.
3529         * common.opt (fgraphite): Update documentation.
3530
3531 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3532
3533         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3534         -floop-interchange): Add more text for explaining what each of these
3535         flags is doing.
3536         * tree-into-ssa.c (gimple_vec): Moved to...
3537         * graphite.c: Include gimple.h.
3538         (gimple_vec): Moved to...
3539         (del_loop_to_cloog_loop): Removed.
3540         (loop_affine_expr): Do not call create_data_ref when the
3541         operand is a constant.
3542         (new_scop): Use free instead of del_loop_to_cloog_loop.
3543         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3544         * gimple.h (gimple_vec): ... here.
3545
3546 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3547
3548         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3549         latch executions.
3550         (build_loop_iteration_domains): Fail, if latch executions unknown.
3551
3552 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3553
3554         * graphite.c (add_conditions_to_domain): New.
3555         (build_scop_conditions_1): Call add_conditions_to_domain.
3556         (set_cloog_options): Allow to disable optimizations.
3557
3558 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3559
3560         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3561         Do not use walk_dominator_tree.
3562         (find_scop_parameters): Do not use walk_dominator_tree.
3563
3564 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3565
3566         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3567         (idx_record_params): Adapt.
3568         * graphite.h (scop_gimple_loop_depth): New.
3569
3570 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3571
3572         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3573         (scan_tree_for_params): Remove value_init.
3574         (build_scop_context): Remove value_init.
3575         (build_loop_iteration_domains): Remove value_init.
3576         (schedule_to_scattering): Remove value_init.
3577         (graphite_trans_bb_strip_mine): Remove value_init.
3578
3579 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3580
3581         * gcc/graphite.c (limit_scops): New.
3582         (graphite_transform_loops): Add limit SCoPs.
3583         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
3584         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
3585         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
3586         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
3587         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
3588         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
3589         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
3590         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
3591         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
3592         Change loop numbers.
3593         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
3594         Change loop numbers.
3595         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
3596         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
3597         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
3598         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
3599         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
3600         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
3601         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
3602         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
3603         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
3604         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
3605
3606 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3607
3608         * graphite.c (graphite_transform_loops): Call always find_transform.
3609
3610 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3611
3612         * graphite.c (free_loops_mapping): New.
3613         (stmt_simple_for_scop_p): Fix typo.
3614         (stmt_simple_for_scop_p): Fix tuples functions, that
3615         broke polyhedron.
3616         (free_graphite_bb): Fix some memleaks.
3617         (free_scop): Fix some memleaks.
3618         (scopdet_bb_info): Do not forget some tmp SCoPs.
3619         (find_params_in_bb): Fix some memleaks.
3620         (clast_to_gcc_expression): Fix warning.
3621
3622 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3623
3624         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
3625         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
3626
3627 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3628
3629         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
3630         Move code ifdef-ed HAVE_cloog...
3631         * graphite.c: Include toplev.h.
3632         ... here.
3633         * Makefile.in (OBJS-common): Always build graphite.o.
3634         (BACKEND): Remove @GRAPHITE@.
3635         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
3636         (graphite.o): Depend on TOPLEV_H.
3637
3638 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3639
3640         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
3641         Remove typo left from polylib to ppl conversion.
3642         * graphite.c (graphite_transforms): Use sorry instead of fatal.
3643
3644 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * toplev.c (process_options): Move the graphite loop optimization
3647         flags...
3648         * tree-ssa-loop.c (graphite_transforms): ... here.
3649         When not configured with CLooG, print to dump_file that
3650         Graphite transforms were not performed.
3651         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
3652         New.
3653         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
3654         scan-graphite-dump-times.
3655
3656 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         * graphite.c (dot_scop, dot_all_scops): Do not call system.
3659         Do not open /tmp/scop.dot and /tmp/allscops.dot.
3660
3661 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
3662             Jan Sjodin  <jan.sjodin@amd.com>
3663
3664         * configure: Regenerated.
3665         * omp-low.c (expand_omp_sections): Remove now unused code.
3666         * config.in (HAVE_polylib): Removed.
3667         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
3668         (PPLLIBS, PPLINC): Added.
3669         * graphite.c: Replace unsigned with int wherever possible.
3670         Don't access Cloog's data structures, but use accessor functions.
3671         Clast's stmt->type is now implemented as a vtable: change the
3672         switches of stmt->type into ifs.
3673         (polylib/polylibgmp.h): Don't include.
3674         (initialize_dependence_polyhedron,
3675         initialize_data_dependence_polyhedron, is_empty_polyhedron,
3676         statement_precedes_p, test_dependence, build_rdg_all_levels,
3677         dump_dependence_graph): Removed until this code is cleaned up
3678         or ported to Cloog.
3679         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
3680         (POLYLIBINC): Renamed PPLINC.
3681
3682 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
3683             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3684             Jan Sjodin  <jan.sjodin@amd.com>
3685
3686         Finish the merge and tuplification of graphite.
3687
3688 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3689             Jan Sjodin  <jan.sjodin@amd.com>
3690
3691         Partial merge from mainline (138072:138275).
3692         * graphite.c still has to be tuplified.
3693
3694 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
3695
3696         * graphite.c (graphite_loops_mapping_max_loop_num): New.
3697         (create_num_from_index): New.
3698         (get_num_from_index): Also pass in the graphite BB.
3699         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
3700         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
3701         (graphite_trans_bb_strip_mine): Call create_num_from_index.
3702         (is_interchange_valid): Return false when failing.
3703         * graphite.h (struct num_map): New.
3704         (struct graphite_bb): New field num_map.
3705         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
3706
3707 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3708
3709         * graphite.c (dump_gbb_conditions): Print also conditions like
3710         "if (a)".  Remove dublicated code and use print_generic_expr ().
3711         (stmt_simple_for_scop_p): Only allow conditions we can handle
3712         {<, <=, >, >=}.
3713
3714 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3715
3716         * graphite.h (struct scop): Removed new_ivs field.
3717         (SCOP_NEWIVS): Deleted.
3718         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
3719         clast_to_gcc_expression, graphite_create_new_loop):
3720         Removed use of new_ivs.
3721
3722 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3723
3724         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
3725         create_loops_mapping_num, debug_loop_mapping_1): New.
3726         (debug_loop_mapping): Call debug_loop_mapping_1.
3727         (get_loop_mapping_for_num,
3728         graphite_loops_mapping_add_child,
3729         graphite_loops_mapping_add_child_num,
3730         graphite_loops_mapping_insert_child,
3731         graphite_loops_mapping_parent,
3732         split_loop_mapped_depth_for_num,
3733         loop_mapped_depth_split_loop): New.
3734         (increment_loop_mapped_depths): Removed.
3735         (swap_loop_mapped_depth_for_num): Reimplemented.
3736         (new_scop): Call create_loops_mapping.
3737         (scop_record_loop): Call graphite_loops_mapping_insert_child.
3738         (translate_clast): Pass the old loop father in parameter, and pass
3739         it to get_old_iv_from_ssa_name.
3740         (remove_edges_around_useless_blocks, can_generate_code_stmt,
3741         can_generate_code, can_generate_for_scop): New.
3742         (graphite_trans_bb_block): Returns false when it fails to transform.
3743         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
3744
3745 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3746
3747         Reverted all the changes related to the streamization and
3748         loop fusion.
3749         These changes are now tracked in the streamization branch.
3750
3751 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3752             Jan Sjodin  <jan.sjodin@amd.com>
3753
3754         * graphite.c (gbb_compare): Correctly constify.
3755         (gbb_can_be_ignored): Indent.
3756         (graphite_trans_scop_swap_1and2): Add legality check.
3757         Remove dead FIXMEs.
3758
3759 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3760
3761         Remove fallouts from "Reverted the Condate changes".
3762         * tree.h: Remove unused decl.
3763         * testsuite/gcc.dg/tree-checker: Same.
3764         * timevar.def: Remove counter.
3765
3766 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3767
3768         * Merge from mainline (135673:138072).
3769
3770         Reverted the MIRO changes (from 2008-04-05) that are now
3771         tracked in the miro branch.
3772         * tree-bounds.c: Removed.
3773         * tree-bounds.h: Removed.
3774
3775         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
3776         are now tracked in the condate branch.
3777         * tree-check.c: Removed.
3778         * tree-match.c: Removed.
3779         * condate.y: Removed.
3780
3781 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3782
3783         * common.opt: New user flag -floop-block, -floop-strip-mine
3784         and -floop-interchange.
3785         * toplev.c (process_options): Enable -fgraphite pass if any one of the
3786         graphite loop optimization flags is turned on.
3787         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
3788         flag_loop_strip_mine and flag_loop_interchange checks before
3789         optimizations.
3790         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
3791         -floop-strip-mine and -floop-interchange.
3792         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
3793         -fgraphite.
3794         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
3795         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
3796         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
3797
3798 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
3799             Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
3802         (create_empty_loop_on_edge): More fixes.
3803         * tree-phinodes.c (resize_phi_node): Extern.
3804         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
3805         * cfghooks.c (update_dominator_information): New split from
3806         split_edge.
3807         * tree-vectorizer.c (rename_variables_in_bb): Extern.
3808         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
3809         successor of the function entry block.
3810
3811         * graphite.c: Include pointer-set.h.
3812         (debug_loop_mapping, increment_loop_mapped_depths,
3813         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
3814         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
3815         swap_loop_mapped_depth_for_num, get_num_from_index,
3816         swap_loop_mapped_depth, loop_iv_stack_debug,
3817         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
3818         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
3819         get_old_iv_from_ssa_name): New.
3820         (new_scop): Initialize SCOP_LOOPS_MAPPING.
3821         (free_scop): Free SCOP_LOOPS_MAPPING.
3822         (scop_record_loop): Record old ivs.
3823         (create_var_name): Removed.
3824         (initialize_cloog_names): Allocate double space in case strip mine
3825         applies to all loops once.
3826         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
3827         (clast_to_gcc_expression): Same.  Implement more clast to gimple
3828         translation.
3829         (graphite_create_new_loop): Pass in ivstack.
3830         (remove_all_edges): Pass in the construction_edge.
3831         (graphite_remove_iv): Removed.
3832         (graphite_rename_ivs, graphite_rename_ivs_stmt,
3833         remove_cond_exprs): Rewritten.
3834         (move_phi_nodes): New.
3835         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
3836         (translate_clast): Pass in ivstack.  Rewrite some cases.
3837         (set_cloog_options, debug_clast_stmt): New.
3838         (find_transform): Use set_cloog_options.
3839         (outermost_loop_layer): Removed.
3840         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
3841         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
3842         mark_old_loops, remove_dead_loops): New.
3843         (gloog): Rewritten.
3844         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
3845         (const_column_index, get_first_matching_sign_row_index,
3846         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
3847         get_upper_bound): New.
3848         (graphite_trans_bb_strip_mine): Also update the iv map.
3849
3850         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
3851         (struct name_tree): Add a loop field.
3852         (struct scop): Add a graphite_loops_mapping field.
3853         (SCOP_LOOPS_MAPPING): New.
3854         (debug_clast_stmt): Declare.
3855         * lambda.h (find_induction_var_from_exit_cond): Declare.
3856         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
3857         * cfgloop.h (update_dominators_in_loop): Removed declaration.
3858         (create_empty_loop_on_edge): Updated.
3859         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
3860         rename_variables_in_bb): Declare.
3861         * tree-cfg.c (remove_bb): Extern.
3862
3863         * testsuite/gcc.dg/graphite/block-0.c: New.
3864
3865 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3866             Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         * graphite.c (strip_mine_profitable_p): New.
3869         (graphite_trans_bb_block): Disable strip mining if not profitable.
3870
3871         * testsuite/gcc.dg/graphite/scop-18.c: New.
3872         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
3873         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
3874
3875 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
3876             Jan Sjodin  <jan.sjodin@amd.com>
3877             Sebastian Pop  <sebastian.pop@amd.com>
3878
3879         * graphite.c (is_interchange_valid): New.
3880         (graphite_trans_bb_block): Check loop nest of basic block for legality
3881         of interchange.
3882
3883         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
3884         outer_most_loop, gbb_outer_most_loop_index): New.
3885
3886         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
3887         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
3888         * testsuite/gcc.dg/graphite/scop-16.c: New.
3889         * testsuite/gcc.dg/graphite/scop-17.c: New.
3890
3891 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3892
3893         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
3894         (graphite_trans_scop_block): Ignore SCoPs without bbs.
3895
3896 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3897
3898         * graphite.c (new_scop): Initialize SCOP_EXIT.
3899         (scopdet_info): Add.
3900         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
3901         (build_scops_1): Cleanup, bugfixes.
3902         (build_scops): Cleanup.
3903
3904         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
3905         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
3906
3907 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
3908
3909         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
3910
3911         * testsuite/gfortran.dg/graphite/graphite.exp: Use
3912         DEFAULT_GRAPHITE_FLAGS.
3913
3914         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
3915
3916 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
3917
3918         * graphite.c (scan_tree_for_params): Do not assert any more if
3919         MULT_EXPR parameter is negative.
3920
3921         * testsuite/gfortran.dg/graphite/scop-1.f: New.
3922
3923         * testsuite/gfortran.dg/graphite/graphite.exp: New.
3924
3925         * testsuite/gcc.dg/graphite/scop-15.c: New.
3926
3927 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
3928
3929         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
3930
3931 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3932
3933         * graphite.c (graphite_trans_bb_swap_loops): Rename from
3934         graphite_swap_loops.
3935         (graphite_trans_bb_move_loop): New.
3936         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
3937         (graphite_trans_bb_block): New.
3938         (graphite_trans_loop_block): New.
3939         (graphite_trans_scop_swap_1and2): Rename from
3940         graphite_trans_swap_1and2.
3941         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
3942         (graphite_trans_scop_block): New.
3943         (graphite_apply_transformations): Rename from
3944         graphite_transformations.
3945
3946         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
3947
3948 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3949
3950         * graphite.c (gbb_compare): New.
3951         (graphite_sort_gbbs): New.
3952         (gbb_can_be_ignored): New.
3953         (scop_remove_ignoreable_gbbs): New.
3954         (graphite_transformations): Cleanup and add
3955         scop_remove_ignoreable_gbbs.
3956         * lambda.h (lambda_vector_compare): New.
3957
3958 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3959
3960         * graphite.c (print_graphite_bb): Correct printing of static schedule.
3961         (graphite_swap_loops): int -> unsigned
3962         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
3963         (graphite_transformations): New.
3964         (graphite_transform_loops): Move to graphite_transformations.
3965         * graphite.h (gbb_nb_loops): Return unsigned.
3966
3967 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3968
3969         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
3970         the domain matrix.  This makes scop-0.c work again.
3971
3972 2008-06-20  Richard Guenther  <rguenther@suse.de>
3973
3974         * graphite.h: Adjust copyright to GPLv3.
3975         * graphite.c: Likewise.
3976         (stmt_simple_memref_for_scop_p): Split out from ...
3977         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
3978         and simplify.
3979         (get_bb_type): Optimize.
3980         (is_pred): Remove.
3981         (is_bb_addable): Fix memleak, replace is_pred call with
3982         single_pred.
3983         (build_scops): Use current_loops.
3984         (param_index): Fix memleak.
3985
3986 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3987
3988         * graphite.c: Fix formatting.
3989
3990 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3991
3992         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
3993         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
3994         (create_var_name, save_var_name): Newly defined functions.
3995         (initialize_cloog_names): Part of the code factored out to
3996         save_var_name.
3997         (clast_to_gcc_expression): Now handles the case of clast_red_sum
3998         in clast_reduction statement.
3999         (graphite_create_new_loop): Now takes a new parameter
4000         for outer_loop.
4001         (translate_clast): Now also takes the context_loop and bb_exit
4002         parameters. Rewritten the code so that it creates a gimple code
4003         inside the given context.
4004         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4005         remove_cond_expr, disconnect_cond_expr,
4006         disconnect_virtual_phi_nodes): Newly defined functions.
4007         * graphite.h (struct scop): added old_ivs vector.
4008         SCOP_OLDIVS: New macro.
4009
4010 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4011
4012         * cfgloopmanip.c: Add missing function comments, fix formatting.
4013
4014 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4015
4016         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4017         (create_empty_loop_on_edge): Defined.
4018         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4019         instead of void.
4020         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4021         (update_dominators_in_loop): Declared as extern
4022         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4023
4024 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4025
4026         * graphite.c (print_graphite_bb): Allow changing number of loops
4027         in SCoP domain.
4028         (initialize_cloog_names): Allow changing number of loops.
4029         (build_cloog_prog): Simplify.
4030         (find_transform): Enable cloog option --strides.
4031         (graphite_swap_loops): New.
4032         (graphite_strip_mine_loop): New.
4033         (graphite_trans_swap_1and2): New.
4034         (graphite_trans_strip): New.
4035         (graphite_transform_loops): Add graphite_trans_strip.
4036         * graphite.h (scop_max_loop_depth): New.
4037
4038 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4039
4040         * graphite.c (build_scop_iteration_domain): Remove forgotten
4041         line. (Fixes compile)
4042
4043 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4044
4045         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4046         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4047         (build_bb_loops): New.
4048         (graphite_transform_loops): Add build_bb_loops.
4049         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4050         numbers.
4051         * graphite.h (graphite_bb): Add loops.
4052         (gbb_nb_loops): New.
4053         (gbb_loop_at_index): New.
4054         (gbb_loop_index): New.
4055         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4056         using nb_params_in_scop.
4057
4058 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4059
4060         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4061         (build_scop_canonical_schedules): Build minimized schedule.
4062         (schedule_to_scattering): Adapt to minimized schedule.
4063         * graphite.h (graphite_bb): Add/Update descriptions.
4064
4065 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4066             Tobias Grosser  <grosser@fim.uni-passau.de>
4067
4068         * graphite.c (print_graphite_bb): Add condition printing.
4069         (dump_value): New.
4070         (dump_gbb_conditions): New.
4071         (build_scop_conditions_1): New.
4072         (build_scop_conditions): New.
4073         * graphite.h (graphite_bb): Add conditions.
4074
4075 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4076
4077         * graphite.c (print_graphite_bb):
4078         (free_graphite_bb): New.
4079         (free_scop): Free bbs.
4080         (get_bb_type): Free doms.
4081         (build_scop_context): Free context matrix.
4082         (build_loop_iteration_domains): Remove unused code.
4083         (build_cloog_prog): Free scattering function and blocklist.
4084         (find_transform): Free options.
4085
4086 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4087
4088         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4089         Remove unnecessery cloog data structures. Make a copy of the domain
4090         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4091         unnecessary cloog data structures. Fix memory leaks. Remove insert
4092         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4093         used.
4094         (build_scop_iteration_domain): Remove unnecessary cloog
4095         data structures.  Fix memory leaks.
4096         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4097         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4098
4099 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4100
4101         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4102
4103 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4104
4105         * graphite.c (end_scop): Style fix.
4106         (schedule_to_scattering): Style and comment fix.
4107
4108 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4109         * graphite.c (print_graphite_bb): Fix definiton of
4110         schedule_to_scattering.
4111         (initialize_cloog_names): Change nb_scattdims to max loop
4112         depth in SCoP.
4113         (schedule_to_scattering): Take parameter for number of scattering
4114         dimensions.
4115         (build_cloog_prog): Only build as much scattering dimensions as
4116         necessary.
4117
4118 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4119
4120         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4121         in polyhedron/aermod.f90.
4122
4123 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4124             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4125             Harsha Jagasia  <harsha.jagasia@amd.com>
4126
4127         * graphite.c (is_bb_addable): Fix segfault.
4128
4129 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4130
4131         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4132         with multiple exits and conditional handling in edge cases.
4133         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4134
4135         * testsuite/gcc.dg/graphite/scop-14.c: New.
4136
4137 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4138             Adrien Eliche  <aeliche@isty.uvsq.fr>
4139
4140         * graphite.c (is_bb_addable): Add more comments and enhance
4141         readablity of the source code. Fix memory leak.
4142         (is_loop_exit): Fix memory leak.
4143
4144 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4145
4146         * graphite.c (first_loop_in_scop): Deleted.
4147         (setup_cloog_loop): Only walk the loop chain for inner loops.
4148         (build_scop_iteration_domain): Execute setup_cloog_loop for
4149         all loops in the first layer.
4150
4151 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4152
4153         * graphite.c (scan_tree_for_params): Change the way params are
4154         added to be indepenent of the number of loops.
4155         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4156         handling.
4157         (build_cloog_prog): Revert to short matrix format.
4158
4159 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4160             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4161
4162         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4163         warning.
4164
4165 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4166
4167         * graphite.c (nb_data_refs_in_scop): New.
4168         (graphite_transform_loops): Print more stats: number of
4169         loops, basic blocks and data references per scop.
4170
4171 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4172             Jan Sjodin  <jan.sjodin@amd.com>
4173
4174         * graphite.c (loop_affine_expr, idx_record_params,
4175         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4176         instead of instantiate_parameters.
4177
4178 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4179
4180         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4181         add support for parameters, add STATIC_SCHEDULE at the right places,
4182         cleanup.
4183
4184 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4185
4186         * graphite.c (build_scop_loop_nests): Only add the loops, that
4187         are contained completely in the SCoP.
4188         (build_cloog_prog): Disable scattering, until schedule_to_scattering
4189         and the domains are fixed.
4190         (build_scop_canonical_schedules): Add support for bbs not contained
4191         in any SCoP.
4192
4193 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4194
4195         * graphite.h (scop_contains_loop): Update comments to match
4196         the actual behavior.
4197         (scop_contains_loop): New.
4198         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
4199
4200 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4201
4202         * graphite.c (get_bb_type): On function body, i.e. loop_0,
4203         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
4204         as GBB_COND_HEADER.
4205
4206 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4207             Tobias Grosser  <grosser@fim.uni-passau.de>
4208
4209         * graphite.c (graphite_transform_loops): Early return when
4210         there are no loops in the function.
4211
4212 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4213             Jan Sjodin  <jan.sjodin@amd.com>
4214
4215         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
4216         offset of the last loop.
4217         (setup_cloog_loop): Copy the entire outer constraint matrix.
4218
4219 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4220             Jan Sjodin  <jan.sjodin@amd.com>
4221
4222         * graphite.c (stmt_in_scop_p, function_parameter_p,
4223         invariant_in_scop_p): Removed.
4224         (scan_tree_for_params): Can be used with no constraint
4225         matrix for gathering parameters.
4226         (idx_record_params): Don't use idx_record_param, instead use
4227         scan_tree_for_params.
4228         (find_scop_parameters): Same.
4229         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
4230         Fix the size of loop domains.
4231         (schedule_to_scattering): Exit when the outer loop is not in scop.
4232         (find_transform): Enable build_cloog_prog.
4233
4234 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4235             Jan Sjodin  <jan.sjodin@amd.com>
4236
4237         * graphite.c (schedule_to_scattering): Make scattering domains
4238         uniformly of the same size, as required by CLooG 0.14.0 and before.
4239
4240 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4241             Jan Sjodin  <jan.sjodin@amd.com>
4242
4243         * graphite.c (schedule_to_scattering): Rewrite, correct the
4244         translation of the scheduling function to scattering.
4245         (build_cloog_prog): Call schedule_to_scattering only once.
4246         * graphite.h (scop_loop_index): Do not fail for loops not
4247         in the scop: return -1.
4248
4249 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
4250
4251         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
4252         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
4253         (setup_cloog_loop): Export GBB_DOMAIN.
4254         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
4255         able to rebuild the original control flow.
4256         * graphite.h (graphite_bb): Add domain field and access macro.
4257         (GBB_DOMAIN): New.
4258
4259 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4260
4261         * graphite.c (debug_gbb): New.
4262         (print_scop, build_graphite_bb): Use SCOP_BBS.
4263         (build_scop_bbs): Reimplemented.
4264         (dfs_bb_in_scop_p): Removed.
4265         (build_scop_loop_nests): Reorder loops inserted in
4266         SCOP_LOOP_NEST: outer loops should come first.
4267         (build_scop_canonical_schedules): Reinitialize at zero
4268         the components of the SCOP_STATIC_SCHEDULE for the loops
4269         that have already been parsed.
4270
4271         * graphite.h (debug_gbb): Declared.
4272
4273 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4274             Jan Sjodin  <jan.sjodin@amd.com>
4275
4276         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
4277         (graphite_loop_to_gcc_loop): Removed.
4278         (remove_all_edges): New.
4279         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
4280         (gloog): Remove useless code.
4281
4282 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4283
4284         * graphite.c (get_bb_type): Reworked. We distinguish between
4285         loops with one or multiple exits.
4286         (is_loop_exit): New.
4287         (is_pred): New.
4288         (is_bb_addable): Rework condition handling, now support for case
4289         case statements and loops with multiple exits.
4290
4291         * testsuite/gcc.dg/graphite/scop-11.c: New.
4292         * testsuite/gcc.dg/graphite/scop-12.c: New.
4293         * testsuite/gcc.dg/graphite/scop-13.c: New.
4294
4295 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4296
4297         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
4298         we have too many colors.
4299
4300 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
4301
4302         * doc/invoke.texi (-ftree-loop-fusion): Document.
4303         * tree-pass.h (pass_loop_fusion): Declared.
4304         * tree-loop-fusion.c: New.
4305         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
4306         * tree-data-ref.c (find_data_references_in_loop): Make extern.
4307         * tree-data-ref.h (find_data_references_in_loop): Declared.
4308         * common.opt (ftree-loop-fusion): Declared.
4309         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
4310
4311 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * graphite.c (build_access_matrix): Fix typo from the merge.
4314
4315 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
4316
4317         * Merge from mainline (130800:135673).
4318
4319 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4320
4321         * graphite.c (end_scop): The exit of the scop is not part of the scop.
4322         Update dominators after splitting.
4323
4324 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4325
4326         * graphite.c (is_bb_addable): Return the harmful statement.
4327         Factor up some code.
4328         (end_scop): New.  Splits end of scope bbs on a harmful statement.
4329         (build_scops_1): Call end_scop.
4330
4331 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4332
4333         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
4334         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
4335         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
4336         build_scops_1): Removed.
4337         (build_scops_2): Renamed build_scops_1.
4338
4339 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4340
4341         * graphite.c: Fix formatting.
4342
4343 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4344
4345         * graphite.c (get_bb_type): New.
4346         (move_scops): New.
4347         (build_scops_2): New.
4348         (is_bb_addable): New.
4349         (build_scops): Switch the scop detection.
4350         (build_scop_bbs): Add entry bb to scop.
4351         * graphite.h (struct scop): Update comment.
4352
4353 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4354
4355         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
4356         more colors.
4357
4358 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4359
4360         * testsuite/gcc.dg/graphite/scop-1.c: Update.
4361         * testsuite/gcc.dg/graphite/scop-2.c: Update.
4362         * testsuite/gcc.dg/graphite/scop-4.c: Update.
4363         * testsuite/gcc.dg/graphite/scop-5.c: Add.
4364         * testsuite/gcc.dg/graphite/scop-6.c: Add.
4365
4366 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4367
4368         * testsuite/gcc.dg/graphite/scop-0.c: Add.
4369         * testsuite/gcc.dg/graphite/scop-7.c: Add.
4370         * testsuite/gcc.dg/graphite/scop-8.c: Add.
4371         * testsuite/gcc.dg/graphite/scop-9.c: Add.
4372         * testsuite/gcc.dg/graphite/scop-10.c: Add.
4373
4374 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4375
4376         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
4377         Check affine expressions depending on the outermost loop
4378         instead of a scop.
4379         (stmt_simple_for_scop_p): Same.
4380         (harmfule_stmt_in_scop): Same.
4381
4382 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4383
4384         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
4385         mark entry and exit, that are not part of the SCoP and update HTML
4386         formatting.
4387
4388 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
4389
4390         * graphite.c (basic_block_simple_for_scop_p): Renamed
4391         harmful_stmt_in_bb.
4392         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
4393         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
4394         (all_preds_visited_p, all_succs_visited_p,
4395         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
4396         scop_end_loop): New.
4397         (build_scops): Do not use dfs_enumerate_from.
4398
4399         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
4400
4401 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * graphite.c: Add comments to functions that are missing a
4404         description.
4405         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
4406
4407 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4408
4409         * graphite.c (nb_params_in_scop): Moved...
4410         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
4411         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
4412         (clast_to_gcc_expression): Reduce column size to less than 80.
4413         (graphite_create_iv): Return the new name of the IV.
4414         (find_transform): Set options->esp and options->cpp.
4415         (gloog): Comment out the invalidation of the old loop code.
4416         (initialize_dependence_polyhedron): Replace scop_nb_params with
4417         nb_params_in_scop.
4418
4419         * graphite.h (nb_params_in_scop): ... here.
4420         (scop_nb_params): Removed.
4421         (loop_domain_dim): Return something even when the loop was not
4422         found in the hash table: avoid ICEing on all the graphite.exp
4423         testcases.
4424
4425 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4426
4427         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
4428
4429         * graphite.c (build_scop_dynamic_schedules): Schedule is built
4430         according to nesting level.
4431         (find_scop_parameters): Call instantiate_parameters.
4432         (scan_tree_for_params): Extend it to handle general affine bounds.
4433         Inner loop bound can depend on outer loop induction variable.
4434         (setup_cloog_loop): tmp variable is allocated on stack. Call
4435         instantiate_parameters with respect to outermost_loop_in_scop.
4436         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
4437         graphite.h.
4438         (create_empty_loop): Function loopify should be given edge
4439         probability, instead of edge frequency. Dominance relation from
4440         switch_bb to loop_header.
4441         (clast_to_gcc_expression): Added handling of clast_reduction node.
4442         (gloog): New functionality for removing old loop.
4443         (test_dependence): Factored out from build_rdg_all_levels.
4444         (build_rdg_all_levels): Dependence testing factored out to
4445         test_dependence function.
4446
4447         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
4448         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
4449         from graphite.c
4450
4451 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4452
4453         * graphite.c (free_scop, param_index, initialize_cloog_names,
4454         nb_params_in_scop): Use name_tree map instead of just a tree
4455         for keeping track of the variable name associated to that tree.
4456         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
4457         clast_to_gcc_expression, graphite_create_iv,
4458         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
4459         graphite_stmt_to_gcc_stmt): New.
4460         (gloog): Call these.
4461         * graphite.h (struct name_tree): New.
4462         (struct scop): Use name_tree instead of tree for params.
4463         Store a vector of name_tree for new_ivs.
4464         (SCOP_NEWIVS): New.
4465         (scop_nb_params): Use name_tree instead of tree.
4466
4467 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
4468             Sebastian Pop  <sebastian.pop@amd.com>
4469
4470         * tree-bounds.c: New.
4471         * tree-bounds.h: New.
4472         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
4473         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
4474         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
4475         flag_mudflap.
4476         * gcc.c: Same.
4477         * toplev.c: Same.
4478         * c-cppbuiltin.c: Same.
4479         * c-pragma.c: Same.
4480         * common.opt: Same.
4481         * varasm.c: Same.
4482         * tree-outof-ssa.c: Same.
4483         * c-common.c: Same.
4484         * Makefile.in: Same.
4485
4486 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
4487             Sebastian Pop  <sebastian.pop@amd.com>
4488
4489         * tree-loop-distribution.c (remaining_stmts,
4490         upstream_mem_writes): Removed static variables.
4491         (copy_loop_before, create_bb_after_loop,
4492         mark_nodes_having_upstream_mem_writes, free_rdg_components,
4493         rdg_build_components, rdg_build_partitions,
4494         dump_rdg_partitions): Extern.
4495         (generate_loops_for_partition, generate_code_for_partition): Do not
4496         return a bool.
4497         (already_processed_vertex_p, predecessor_has_mem_write,
4498         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
4499         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
4500         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
4501         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
4502         Pass remaining_stmts and upstream_mem_writes as parameters.
4503         (rdg_component): Moved...
4504         (build_rdg_partition_for_component): Do not aggregate components when
4505         flag_streamize_loops is set.
4506         (gen_sequential_loops): New.
4507         (ldist_gen): Call gen_sequential_loops.
4508
4509         * tree-pass.h (pass_loop_streamization): Declared.
4510
4511         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
4512         basic blocks when loops structures exist.
4513
4514         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
4515
4516         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
4517
4518         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4519         eliminate_local_variables_stmt, eliminate_local_variables,
4520         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4521         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4522         of code delimited by two edges in the CFG.
4523         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4524         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4525         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
4526         the case of parallelisation of reductions.
4527         (create_loop_fn): Extern.
4528         (create_omp_parallel_region): New.
4529
4530         * tree-data-ref.c (dump_data_dependence_relation): Don't call
4531         dump_data_reference for printing dra and drb.
4532         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
4533         RDGE_RELATION.
4534         (build_rdg): Don't call free_dependence_relations for the moment, as
4535         we attach dependence relations on each edge of the RDG.
4536         To be fixed later.
4537
4538         * tree-data-ref.h (rdg_component): ...here.
4539         (struct rdg_edge): New field ddr_p relation.
4540         (RDGE_RELATION): New.
4541         (create_bb_after_loop, copy_loop_before,
4542         mark_nodes_having_upstream_mem_writes, rdg_build_components,
4543         rdg_build_partitions, dump_rdg_partitions,
4544         free_rdg_components): Declared.
4545
4546         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
4547         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
4548
4549         * tree-loop-streamization.c: New.
4550
4551         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
4552         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
4553
4554         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
4555
4556         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4557
4558         * passes.c: Schedule pass_loop_streamization.
4559
4560 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
4561
4562         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
4563         update comment.
4564
4565 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4566
4567         * graphite.c (dot_all_scops): Update formatting.
4568         Bbs can now be part of more than one SCoP.
4569
4570 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4571
4572         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
4573         malloc problems.
4574         (loop_domain_dim): Check for unregistered toplev SCOP loop.
4575         * graphite.h (loop_to_cloog_loop): New.
4576
4577 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4578
4579         * graphite.c (loop_domain_dim, ref_nb_loops,
4580         loop_iteration_vector_dim): New.
4581         (build_access_matrix_with_af, build_access_matrix,
4582         initialize_dependence_polyhedron): Fixed for new matrix layout.
4583         No longer assume that all iteration domains are of the same
4584         dimensionality.
4585
4586 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4587
4588         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4589         defined in a loop at depth 0 is invariant.
4590         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4591         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4592         be called at loop depth 0.
4593
4594         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
4595         a parameter.
4596         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
4597         (down_open_scop): Removed.
4598         (loop_in_scop_p): Redefined.
4599         (scop_affine_expr): New argument: scop.
4600         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
4601         a harmful statement ending a scop.
4602         (basic_block_simple_for_scop_p): New argument: scop.
4603         (get_loop_start): Removed.
4604         (new_scop): Initialize SCOP_LOOPS.
4605         (free_scop): Free SCOP_LOOPS.
4606         (succs_at_same_depth, preds_at_same_depth): New.
4607         (end_scop): Test the validity of a scop.
4608         (add_dominators_to_open_scops): New.
4609         (test_for_scop_bound): Call add_dominators_to_open_scops.
4610         Add cases for opening and closing multiple scops.
4611         (build_scops, build_scop_bbs): Iterate over basic blocks in
4612         depth first order.
4613         (build_graphite_bb): Pass scop directly.
4614         (dfs_bb_in_scop_p): New.
4615         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
4616         several times.
4617         (nb_loops_around_gb): Use loop_in_scop_p.
4618         (schedule_to_scattering): Disabled for the moment the code computing
4619         the "textual order for outer loop".
4620
4621         * graphite.h (struct scop): New field loops.
4622         (SCOP_LOOPS): New.
4623         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
4624
4625         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
4626
4627 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
4628             Sebastian Pop  <sebastian.pop@amd.com>
4629
4630         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
4631         * common.opt (fstreamize-loops): New.
4632         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
4633         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
4634         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
4635         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
4636
4637 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4638
4639         * tree-data-ref.c (build_empty_rdg): New.
4640         (build_rdg): Use it.
4641         * tree-data-ref.h (build_empty_rdg): Declared.
4642         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
4643         (find_vertex_for_stmt): Removed.
4644         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
4645
4646 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4647
4648         * tree-loop-distribution.c (generate_builtin): After cancelling the
4649         loop tree, also delete basic blocks.
4650         (rdg_flag_uses): Stop recursion when a vertex has already been
4651         processed.
4652
4653 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4654
4655         * graphite.c (build_scop_alpha): Removed.
4656         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
4657         and dump_dependence_graph to avoid compiler warnings.
4658
4659 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4660
4661         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
4662         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
4663         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4664         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
4665         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
4666         (initialize_dependence_polyhedron, find_vertex_for_stmt,
4667         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4668         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
4669         dump_dependence_graph): New.
4670         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
4671         (GBB_ALPHA): New.
4672         (struct scop): New field loop2cloog_loop.
4673         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
4674         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
4675
4676 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4677
4678         * graphite.c (build_graphite_bb): Fix initialization
4679         of the graphite basic block.
4680
4681 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4682
4683         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
4684         loop domain matrix.  Pass in the number of loops contained in the
4685         constraint matrix.
4686         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
4687         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
4688         loops that are not surrounding the current loop are not represented
4689         in the domain constraint matrix.
4690         (build_scop_iteration_domain): Initial domain constraint matrix
4691         contains only the eq/ineq, cst, and scop parameters columns.
4692
4693 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4694
4695         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
4696         (print_graphite_bb): Print scattering.
4697
4698 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4699
4700         * graphite.c (initialize_cloog_names): Initialize names of
4701         scattering variables.
4702
4703 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4704
4705         * graphite.c (dot_all_scops_1): Disable debug output while
4706         printing graph.
4707
4708 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4709
4710         * graphite.c (find_transform): Change cloog output language to C.
4711
4712 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
4713
4714         * tree-loop-distribution.c (generate_memset_zero,
4715         generate_builtin, generate_code_for_partition,
4716         rdg_flag_all_uses): New.
4717         (rdg_flag_uses): Gather in the same partition the statements defining
4718         the VUSES of the current statement.
4719         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
4720         Gather in the same partition not only the stores to the same memory
4721         access, but also the reads.
4722         (ldist_generate_loops): Renamed ldist_gen.
4723
4724 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
4725             Tobias Grosser  <grosser@fmi.uni-passau.de>
4726
4727         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
4728         next pointer, don't use the inner pointer.
4729
4730 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
4731
4732         * graphite.c (dot_all_scops, dot_all_scops_1): New.
4733         (find_transform): Call dot_all_1.
4734         * graphite.h (dot_all_scops): Declared.
4735
4736 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
4737
4738         * tree-loop-distribution.c: Fix apsi.f ICE.
4739         (create_bb_after_loop): New.
4740         (generate_loops_for_partition): Use it.
4741         * testsuite/gfortran.dg/ldist-1.f90: New.
4742
4743         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
4744         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
4745
4746 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4747
4748         * graphite.c (find_transform): Dump cloog program sent to cloog.
4749
4750 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4751
4752         * graphite.c (initialize_cloog_names): Initialize cloog
4753         iterator names.
4754
4755 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4756
4757         * graphite.c (build_scop_context): Fix typo, for the matrix
4758         format: insert '0 >= 0' instead of '-1 >= 0'.
4759
4760 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
4761
4762         * Fix merge problems.
4763
4764 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
4765
4766         * graphite.c (setup_cloog_loop): Fix typo.
4767
4768 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         * doc/invoke.texi (-ftree-loop-distribution): Documented.
4771         * tree-loop-distribution.c: Reimplemented.
4772         * tree-pass.h (pass_loop_distribution): New.
4773         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
4774         print_loops.
4775         * graphds.h (struct graph): New field indexes.
4776         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4777
4778         * tree-vect-analyze.c: Remove declaration of static functions when not
4779         needed.
4780         * tree-vectorizer.c: Same.
4781         (rename_variables_in_loop): Now extern.
4782         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
4783         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
4784         calling redirect_edge_and_branch_force.
4785
4786         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4787
4788         * tree-data-ref.c: Don't include tree-chrec.h.
4789         (debug_data_dependence_relations): New.
4790         (dump_data_dependence_relation): Call dump_data_reference on data refs
4791         in the relation.
4792         (same_access_functions): Moved...
4793         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4794         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4795         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4796         struct rdg_vertex_info, ): New.
4797         (create_rdg_edge_for_ddr): Compute the dependence level before looking
4798         at DDR_REVERSED_P.
4799         (create_rdg_vertices): Initialize the htab of graph->indexes.
4800         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
4801         (stmts_from_loop): Don't save LABEL_EXPR.
4802         (hash_stmt_vertex_info, eq_stmt_vertex_info,
4803         hash_stmt_vertex_del): New.
4804         (build_rdg): Initialize rdg->indexes.
4805         (free_rdg, stores_from_loop, ref_base_address,
4806         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4807         have_similar_memory_accesses_1, ref_base_address_1,
4808         remove_similar_memory_refs): New.
4809
4810         * tree-data-ref.h: Include tree-chrec.h.
4811         (debug_data_dependence_relations): Declared.
4812         (same_access_functions): ...here.  Now static inline.
4813         (ddr_is_anti_dependent, ddrs_have_anti_deps,
4814         ddr_dependence_level): New.
4815         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
4816         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
4817         RDG_MEM_READS_STMT): New.
4818         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4819         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4820         rdg_vertex_for_stmt): Declared.
4821         (struct rdg_edge): New field level.
4822         (RDGE_LEVEL, free_rdg): New.
4823         (stores_from_loop, remove_similar_memory_refs,
4824         rdg_defs_used_in_other_loops_p,
4825         have_similar_memory_accesses): Declared.
4826         (rdg_has_similar_memory_accesses): New.
4827
4828         * lambda.h (dependence_level): New.
4829         * common.opt (ftree-loop-distribution): New.
4830         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
4831         (print_loop_ir): Renamed print_loops.
4832         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
4833         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
4834         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
4835         (tree-loop-distribution.o): Added.
4836         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4837         (mark_virtual_ops_in_bb): New.
4838         (print_loops_bb, debug_loop_num, debug_loop): New.
4839         * passes.c: Scheduled pass_loop_distribution.
4840
4841 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4842
4843         * graphite.c (scan_tree_for_params): Correct the number of columns
4844         for polylib format.
4845         (nb_flat_iterator): New.
4846         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
4847         (build_scop_iteration_domain): Correct the number of columns for
4848         polylib format.
4849
4850 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4851
4852         * Merge from mainline (129697:130800).
4853
4854 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
4855
4856         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
4857         dominated by SCoP's exit.
4858         (graphite_transform_loops): Compute post dominators.
4859
4860 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
4861
4862         * Merge from mainline (127169:129697).
4863
4864 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
4865
4866         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
4867         parameter for the basic block that contains the expression.  Use
4868         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
4869         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
4870         the expression.
4871         * graphite.h (gbb_loop): New.
4872         (GBB_LOOP): Removed.
4873
4874 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
4875
4876         * Makefile.in: Fix merge problem.
4877
4878 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
4879
4880         * Merge from mainline (125309:127169).
4881         * tree-loop-distribution.c: Disabled.
4882
4883 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
4884
4885         * Merge from mainline (r123693:125309).
4886
4887 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
4888
4889         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
4890         correct_modify_p
4891         (correct_modify_p, check_statements, number_of_lvalue_uses,
4892         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
4893         instead of MODIFY_EXPR.
4894         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
4895         and push new edges.
4896
4897 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
4898
4899         * tree-loop-distribution.c (struct rdg): Replace arrays by
4900         VECs for edges and vertices.
4901         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
4902         (RDGV_NB_PARTITIONS): New.
4903         (PRDG_NBV, PRDG_NBE): Removed.
4904         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
4905         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
4906         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
4907
4908 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
4909             Sebastian Pop  <sebpop@gmail.com>
4910
4911         * doc/invoke.texi (-ftree-loop-distribution): Document.
4912         * tree-loop-distribution.c: New file.
4913         * tree-pass.h (pass_loop_distribution): Declared.
4914         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4915         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
4916         and set reversed_p.
4917         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
4918         (DDR_REVERSED_P): New.
4919         * common.opt (-ftree-loop-distribution): New.
4920         * tree-flow.h (distribute_loops): Declared.
4921         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
4922         * passes.c (init_optimization_passes): Schedule loop distribution.
4923
4924 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
4925
4926         * graphite.c (print_graphite_bb): Don't call dump_data_references.
4927         (print_scop): Don't print when scop is NULL.
4928         (build_scop_context, find_transform): Don't output to stderr.
4929
4930 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
4931
4932         * tree-data-ref.c: Don't include graphite.h.
4933         Comment out the code for printing data reference's scop.
4934         (build_access_matrix_with_af): Moved...
4935         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
4936         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
4937         (print_graphite_bb): Print basic block's schedule.
4938         (print_scop): Don't print the schedule, call cloog's pretty printer.
4939         (bb_in_scop_p): A basic block is in a scop only if it is both
4940         dominated and postdominated by the scop's entry and exit basic blocks.
4941         (function_parameter_p): New.
4942         (invariant_in_scop_p): Use function_parameter_p.
4943         (new_scop, save_scop): New.
4944         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
4945         save_scop.
4946         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
4947         (loop_in_scop_p): New.
4948         (scop_record_loop): Use loop_in_scop_p.
4949         (build_scop_domain): Renamed build_scop_iteration_domain.
4950         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
4951         nb_params_in_scop, build_scop_context, first_loop_in_scop,
4952         setup_cloog_loop, dot_scop_1, dot_scop): New.
4953         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
4954         (struct scop): Add a pointer to cloog's representation of a program.
4955
4956 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
4957
4958         * doc/invoke.texi (-ftree-check-verbose): Renamed
4959         -ftree-checks-verbose.
4960         * common.opt (flag_tree_check_verbose): Renamed
4961         flag_tree_checks_verbose.
4962         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
4963
4964 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
4965
4966         * configure: Regenerated.
4967         * config.in: Regenerated.
4968         * tree-ssa-loop.c (graphite_transforms): Execute
4969         graphite_transform_loops only when HAVE_cloog.
4970         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
4971         * graphite.c: Include polylibgmp.h and cloog.h.
4972         (graphite_transform_loops): Removed loops parameter.
4973         * tree-flow.h (graphite_transform_loops): Update declaration.
4974         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
4975         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
4976         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
4977         (OBJS-common): Remove dependence on graphite.o.
4978         (BACKEND): Depend on @GRAPHITE@.
4979
4980 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
4981
4982         * doc/invoke.texi (-ftree-check-verbose): Documented.
4983         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
4984         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
4985         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
4986         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
4987         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
4988         * testsuite/gcc.dg/tree-checker/condates.crp: New.
4989         * common.opt (ftree-checks-verbose): New.
4990         * tree-check.c (tree_check_warning): Move extra stderr output
4991         under control of flag_tree_check_verbose.
4992
4993 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
4994
4995         * tree-match.c: Fix comments formatting.
4996         * tree-match.h: Fix comments formatting.
4997         * tree-check.c: Fix comments formatting.
4998         (tree_check_init): Restructure.
4999
5000 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5001
5002         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5003
5004 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5005
5006         * Merge from mainline (r120733:123693).
5007
5008 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5009
5010         * condate.y: New file.
5011         * tree-match.h (struct patt_info_s): New field sign.
5012         (struct condate_s): New field msg.
5013         (normalize_condate, name_condate, add_condate): New.
5014         (conds[], condate_parse): Made extern.
5015         * tree-check.c (tree_check_warning): First arg changed to cond;
5016         warning reformatted.
5017         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5018         (tree_scan): New.
5019         (tree_check): Process trivial condates.
5020         (read_delimited_string): Removed.
5021         (print_cond): Print name and msg.
5022         (conds[]): Made extern.
5023         (parse_tree_check_file_once): Rewritten to use the parser in
5024         condate.y.
5025         Processing of option --tree_check_string moved to tree_scan().
5026         * Makefile.in: Added condate.y
5027
5028 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5029
5030         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5031         Use VECs instead of varrays.
5032         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5033         * Makefile.in (pretty-print.o): Depend on vec.h.
5034         * pretty-print.c: Include tree.h and vec.h.
5035         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5036         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5037         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5038         pp_free_list): Use VECs instead of varrays.
5039         * pretty-print.h: Do not include varray.h.
5040         (struct tree_chunk_s): Declaration moved before its use.
5041         (output_buffer): Rename varray field to chunks.
5042         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5043         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5044         save_global_holes): Use VECs instead of varrays.
5045         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5046         * tree-check.c (scan_cfg_stmts, push_node,
5047         print_matching_stmt): Removed.
5048         (tree_check_instance, push_global_holes_if_new, tree_check,
5049         execute_tree_check): Use VECs instead of varrays.
5050         (gate_tree_check): Don't execute the CFG check when basic_block_info
5051         is not available.
5052
5053 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5054
5055         * Merge from mainline (r115016:120733).
5056
5057 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5058
5059         * Merge from mainline (r117632:117661).
5060
5061 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5062
5063         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5064         * tree-pass.h (TDF_DEBUG, debug_p): New.
5065         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5066         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5067         get_loop_exit_condition, analyze_evolution_in_loop,
5068         analyze_initial_condition, analyze_scalar_evolution,
5069         instantiate_parameters, number_of_latch_executions): Use debug_p.
5070         * tree-chrec.c (chrec_apply): Use debug_p.
5071         * tree-data-ref.c: Include graphite.h.
5072         (dump_data_reference): Print also the access matrix.
5073         (analyze_array, analyze_indirect_ref, init_data_ref,
5074         analyze_offset_expr, address_analysis, object_analysis,
5075         create_data_ref, finalize_ddr_dependent,
5076         non_affine_dependence_relation, analyze_ziv_subscript,
5077         analyze_siv_subscript_cst_affine,
5078         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5079         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5080         analyze_miv_subscript, analyze_overlapping_iterations,
5081         build_classic_dist_vector, subscript_dependence_tester,
5082         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5083         (build_access_matrix_with_af): No longer static.
5084         * tree-data-ref.h (scop_p): ... declaration here.
5085         (data_reference.scop): New field.
5086         (DR_SCOP, DR_ACCESS_MATRIX): New.
5087         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5088         * graphite.c (print_graphite_bb): Call dump_data_references.
5089         (print_scop): Use scop_nb_loops and scop_dim_domain.
5090         (test_for_scop_bound): Use debug_p.
5091         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5092         scop_nb_params.
5093         (scop_loop_index): Moved...
5094         (scop_record_loop): New.
5095         (build_scop_loop_nests): Use scop_record_loop.
5096         (build_scop_domain): Use scop_dim_domain.
5097         (build_access_matrix): Implemented.
5098         (build_scop_canonical_schedules): Use scop_nb_loops.
5099         (build_graphite_bb): Initialize GBB_SCOP.
5100         * graphite.h (scop_p): Moved...
5101         (graphite_bb.scop): New field.
5102         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5103         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5104         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5105         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5106         scop_loop_index): New.
5107         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5108
5109 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5110
5111         * Merge from mainline (r117661:120450).
5112
5113 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5114
5115         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5116         at the first declaration outside the varying loop, instantiate as
5117         far as possible.
5118         * tree-chrec.c (for_each_scev_op): New.
5119         * tree-chrec.h (for_each_scev_op): Declared.
5120         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5121         * tree-data-ref.c (get_references_in_stmt,
5122         find_data_references_in_stmt): New, from trunk.
5123         (find_data_references_in_loop): Use get_references_in_stmt
5124         and find_data_references_in_loop, modified as in trunk.
5125         (build_access_matrix_with_af): New.
5126         * tree-data-ref.h (data_reference): Add a field access_matrix.
5127         (data_ref_loc): New, as in trunk.
5128         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5129         invariant_in_scop_p, param_index, scan_tree_for_params,
5130         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5131         idx_record_param, idx_record_params, build_access_matrix,
5132         build_scop_data_accesses, build_scop_canonical_schedules,
5133         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5134         build_scop_params): New.
5135         * graphite.h (graphite_bb): New.
5136         (scop): Add fields static_schedule, params, loop_nest,
5137         iteration_domain.
5138         * lambda.h: Declare vecs of lambda_matrix.
5139         * tree-flow.h (print_loop_ir_bb): Declared.
5140         * tree-cfg.c (print_loop_ir_bb): New.
5141         (print_loop): Use print_loop_ir_bb.
5142
5143 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5144
5145         * Merge from mainline (r115016:117632).
5146
5147 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5148
5149         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5150         break due to a warning.
5151
5152 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5153
5154         * graphite.c (print_scops, debug_scops): New.
5155         (graphite_transform): Renamed graphite_find_transform.
5156         * graphite.h (debug_scops): Declared.
5157
5158 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5159
5160         * tree-match.c: Reformat following the GNU style.
5161         * tree-match.h: Reformat following the GNU style.
5162         * tree-pattern.h: Removed empty file.
5163         * Makefile.in: Remove references to tree-pattern.h.
5164         * tree-check.c: Reformat following the GNU style.
5165         (execute_tree_check): Move gate condition code to...
5166         (gate_tree_check): ...here.  New function.
5167         (pass_check): Use the gate function.
5168
5169 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5170
5171         * tree-pattern.h: New. Tree pattern matching and checking using
5172         concrete syntax.
5173         * tree-check.c: New. Tree/CFG checking pass.
5174         * tree-match.c: New. Library for tree pattern matching.
5175         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5176         * toplev.c, flags.h: Add globals for tree-check pass.
5177         * Makefile.in: Integrate the files in tree-check pass.
5178         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5179         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5180         Introduce a "lazy" pretty-print mode.
5181         * tree.c, tree.h: Add tree_name.
5182
5183 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5184
5185         * doc/invoke.texi (-fgraphite): Correct typo.
5186         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
5187         use of print_loop_ir.
5188         * testsuite/gcc.dg/graphite/scop-1.c: New.
5189         * testsuite/gcc.dg/graphite/scop-2.c: New.
5190         * testsuite/gcc.dg/graphite/graphite.exp: New.
5191         * graphite.c: Include domwalk.h.
5192         (print_scop): Print only the entry and exit blocks.
5193         (debug_scop): No longer static.
5194         (affine_expr): Fix formating.  Return also true when the expression is
5195         constant.
5196         (stmt_simple_for_scop_p): Fix formating.
5197         (build_scops): Use domwalk.
5198         (get_loop_start, end_scop, test_for_scop_bound): New.
5199         (graphite_transform_loops): Avoid printing on stderr.
5200         * graphite.h (debug_scop): Declared.
5201         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
5202         * Makefile.in (graphite.o): Depend on domwalk.h.
5203         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
5204         declarations for static functions.
5205         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
5206         controlling output verbosity.
5207
5208 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
5209             Plesco Alexandru  <shurikx@gmail.com>
5210
5211         * doc/invoke.texi (-fgraphite): Document.
5212         * tree-pass.h (pass_graphite_transforms): Declared.
5213         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
5214         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
5215         (pass_graphite_transforms): Defined.
5216         * tree-data-ref.c (free_data_ref, data_reference): Extern.
5217         * tree-data-ref.h (free_data_ref, data_reference): Declared.
5218         * graphite.c, graphite.h: New.
5219         * common.opt (fgraphite): Declared.
5220         * tree-flow.h (graphite_transform_loops): Declared.
5221         * Makefile.in (OBJS-common): Add graphite.o.
5222         (graphite.o): New rule.
5223         * passes.c (pass_graphite_transforms): Scheduled.
5224