gcc/ChangeLog.graphite

   1 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (dependence_polyhedron_1): Replace
   4         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
   5         (graphite_legal_transform_dr): Same.
   6         (graphite_carried_dependence_level_k): Same.
   7         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
   8         Initialize PDR_NB_SUBSCRIPTS.
   9         (print_pdr_access_layout): Replace pdr_nb_subscripts with
  10         PDR_NB_SUBSCRIPTS.
  11         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
  12         (PDR_NB_SUBSCRIPTS): New.
  13         (pdr_nb_subscripts): Removed.
  14         (pdr_dim): Simplified.
  15         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
  16         with PDR_NB_SUBSCRIPTS.
  17
  18 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
  19
  20         * graphite-interchange.c (compute_array_size): Remove use of
  21         PDR_DATA_CONTAINER.
  22         * graphite-poly.c (new_poly_dr): Remove argument data_container.
  23         Do not initialize PDR_DATA_CONTAINER.
  24         (print_pdr): Do not print PDR_DATA_CONTAINER.
  25         * graphite-poly.h (struct poly_dr): Remove data_container field.
  26         (PDR_DATA_CONTAINER): Removed.
  27         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
  28         PDR_DATA_CONTAINER.
  29         (build_poly_dr): Same.
  30
  31 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         * testsuite/gcc.dg/graphite/interchange-9.c: New.
  34
  35 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  36             Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
  39         copy of the dependence polyhedron.  Free the temporary objects.
  40         (graphite_carried_dependence_level_k): Free unused objects before
  41         returning.
  42
  43         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
  44         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
  45         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
  46         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
  47         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
  48
  49 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
  50
  51         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
  52         Early return without analyzing the data dependences if no
  53         transform has been done.  Call restore_scattering if the transform
  54         is not legal.
  55         (graphite-interchange.c): Same.
  56         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
  57         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
  58         (apply_poly_transforms): Do not gcc_assert that
  59         the transform is legal.
  60         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
  61         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
  62         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
  63         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
  64         * graphite-poly.h (struct poly_scattering): New.
  65         (struct poly_bb): Add original, transformed, and saved fields.
  66         Remove transformed_scattering, original_scattering, nb_local_variables,
  67         and nb_scattering_transform fields.
  68         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
  69         (poly_scattering_new): New.
  70         (poly_scattering_free): New.
  71         (poly_scattering_copy): New.
  72         (store_scattering_pbb): New.
  73         (store_scattering): New.
  74         (restore_scattering_pbb): New.
  75         (restore_scattering): New.
  76         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
  77         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
  78
  79 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
  80
  81         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
  82         (print_scop): Same.
  83
  84 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
  85
  86         * Makefile.in (graphite.o): Depends on PREDICT_H.
  87         * graphite.c: Include predict.h.
  88         (graphite_finalize): Call tree_estimate_probability.
  89         * predict.c (predict_loops): Do not call scev_initialize and
  90         scev_finalize.
  91         (tree_estimate_probability_bb): New.
  92         (tree_estimate_probability): Do not initialize loops: move that
  93         code to the driver.  Call tree_estimate_probability_bb.
  94         (tree_estimate_probability_driver): New.
  95         (pass_profile): Use tree_estimate_probability_driver.
  96         * predict.h (tree_estimate_probability): Declared.
  97
  98 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 101         * graphite-dependences.c (graphite_legal_transform): Add time to
 102         TV_GRAPHITE_DATA_DEPS.
 103         (dependency_between_pbbs_p): Same.
 104         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 105
 106 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         * Merge from mainline (r149952:150372).
 109
 110 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 111
 112         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 113         * graphite-blocking.c: Same.
 114         * graphite-clast-to-gimple.c: Same.
 115         * graphite-dependences.c: Same.
 116         * graphite-poly.c: Same.
 117         * graphite-poly.h: Same.
 118         * graphite-ppl.c: Same.
 119         * graphite-scop-detection.c: Same.
 120         * graphite-sese-to-poly.c: Same.
 121         * graphite.c: Same.
 122
 123 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 126         (remove_simple_copy_phi): New.
 127         (remove_invariant_phi): New.
 128         (simple_copy_phi_p): New.
 129         (reduction_phi_p): New.
 130         (gsi_for_ssa_name_def): New.
 131         (insert_out_of_ssa_copy): New.
 132         (insert_out_of_ssa_copy_on_edge): New.
 133         (create_zero_dim_array): New.
 134         (scalar_close_phi_node_p): New.
 135         (rewrite_close_phi_out_of_ssa): New.
 136         (rewrite_phi_out_of_ssa): New.
 137         (rewrite_reductions_out_of_ssa): New.
 138         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 139
 140         * testsuite/gcc.dg/graphite/id-11.c: New.
 141         * testsuite/gcc.dg/graphite/id-15.c: New.
 142         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 143         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 144         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 145         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 146         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 147         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 148         * testsuite/gfortran.dg/graphite/id-13.f: New.
 149         * testsuite/gfortran.dg/graphite/id-5.f: New.
 150
 151 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 154         check that nb_reductions_in_loop is zero.
 155         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 156         reduction phi nodes.
 157         (nb_reductions_in_loop): Removed.
 158         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 159         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 160         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 161         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 162         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 163
 164 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 165
 166         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 167         statements that have an empty iteration domain.
 168         * testsuite/gfortran.dg/graphite/id-16.f: New.
 169
 170 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         * tree-scalar-evolution.c (instantiate_scev_1): Return
 173         chrec_dont_know when the result is not above instantiate_below.
 174         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 175         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 176         the tree has a known scalar evolution.
 177         * testsuite/gfortran.dg/graphite/id-14.f: New.
 178         * testsuite/gfortran.dg/graphite/id-15.f: New.
 179
 180 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 181
 182         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 183         insert_gsi.
 184         (rename_variables): Keep inserting renames after the ones already
 185         inserted.
 186
 187 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-sese-to-poly.c (compare_bb_depths): New.
 190         (graphite_sort_dominated_info): New.
 191         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 192         (build_scop_scattering): Fix comment.
 193
 194 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 195
 196         * graphite.c (graphite_finalize): Call print_loops instead of
 197         dump_function_to_file.
 198         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 199         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 200         loops generated in the graphite output file.
 201         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 202         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 203         * testsuite/gfortran.dg/graphite/id-12.f: New.
 204
 205 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 206
 207         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 208         Remove 2 XFAIL.
 209
 210 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 211             Tobias Grosser  <grosser@fim.uni-passau.de>
 212
 213         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 214         alias set number build alias in ACCESSES polyhedron.
 215         (build_alias_set_for_drs): New.
 216         (build_pbb_drs): Added build_alias_set_for_drs.
 217         * graphite-dependences.c (poly_drs_may_alias_p): New.
 218         (graphite_carried_dependence_level_k): Check alias information
 219         before building polyhedron.
 220
 221 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 222
 223         * Makefile.in (lambda-code.o): Fix formatting.
 224
 225 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 226
 227         * Merge from mainline (r149350-149952)
 228
 229 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 230
 231         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 232         before interchange to prepare for loop blocking.
 233
 234 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 235
 236         * graphite-poly.c (apply_poly_transforms): Add checks after every
 237         transformation.
 238         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 239         done in apply_poly_transforms.
 240
 241 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 242
 243         * graphite-dependences.c (build_lexicographically_gt_constraint):
 244         Replace RES parameter with *RES.
 245         (dependence_polyhedron_1): Pass an address of the parameter RES
 246         instead of value of RES.
 247
 248 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 249
 250         * graphite.c (graphite_finalize): Fix comment.
 251         (graphite_transform_loops): Reset scev info after code generation
 252         of each scop.
 253
 254 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         * graphite.c (graphite_finalize): Call scev_reset.
 257
 258 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 261         GBB_CLOOG_IV_TYPES hash table twice.
 262         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 263         (add_condition_to_domain): Clear GMP values.
 264
 265 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 266
 267         * graphite-dependences.c: Fix formatting.
 268         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 269         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 270         * graphite-sese-to-poly.c: Fix formatting.
 271         * graphite.c (graphite_transform_loops): Create the hash table
 272         after the early return.
 273
 274 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 275
 276         * testsuite/gcc.dg/graphite/id-14.c: New.
 277         * testsuite/gcc.dg/graphite/pr40157.c: New.
 278         * testsuite/gfortran.dg/graphite/id-11.f: New.
 279
 280 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 281
 282         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 283         (build_poly_scop): Return false when there are no pbbs within
 284         loops to avoid to pass to cloog scops with no loops.
 285
 286 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 287
 288         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 289         useless test "i % 2".
 290         (build_pbb_scattering_polyhedrons): Fix formatting.
 291         (build_poly_dr): Same.
 292         * graphite.c (graphite_transform_loops): Restructure.
 293
 294 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 295
 296         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 297         reduction_list parameter.
 298         (rewrite_all_phi_nodes_with_iv): Same.
 299         (canonicalize_loop_ivs): Same.
 300         * tree-parloops.c (struct brli): Removed.
 301         (build_reduction_list_info): Removed.
 302         (build_new_reduction): New.
 303         (analyze_reduction_list): Removed.
 304         (gather_scalar_reductions): Find reductions instead of phi
 305         nodes that can't be canonicalized.
 306         (try_create_reduction_list): Remove reduction_list parameter.
 307         (gen_parallel_loop): Same.
 308         (parallelize_loops): Remove analyze_reductions variable,
 309         initialization and free.
 310         Change reduction_list htab initialization to reduction_info
 311         elements instead of ssa names.
 312         Call try_create_reduction_list and gen_parallel_loop without
 313         analyzed_reduction argument.
 314         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 315         canonicalize_loop_ivs with one less argument.
 316         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 317
 318 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 319
 320         * graphite-dependences.c (new_poly_dr_pair): New.
 321         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 322         (new_poly_dr_pair): New.
 323         (eq_poly_dr_pair_p): New.
 324         (hash_poly_dr_pair_p): New.
 325         * graphite-dependences.h (struct poly_dr_pair): New.
 326         (eq_poly_dr_pair_p): Declared.
 327         (hash_poly_dr_pair_p): Declared.
 328         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 329         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 330         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 331         * Makefile.in (graphite-poly.o): Add dependence on
 332         graphite-dependences.h.
 333
 334 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 335
 336         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 337         polynomials of degree > 1 pass to Graphite.
 338         * tree-chrec.c (scev_is_linear_expression): Call
 339         evolution_function_is_affine_multivariate_p.
 340         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 341
 342 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 345         Instantiate scevs varying in outer loops.
 346         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 347
 348 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 351         redundant constraint.
 352
 353 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 354
 355         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 356         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 357         based on the file names as in the C testsuite.
 358         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 359         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 360         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 361         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 362         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 363         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 364         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 365         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 366         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 367         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 368         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 369         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 370         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 371
 372 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * sese.c (expand_scalar_variables_call): New.
 375         (expand_scalar_variables_ssa_name): Handle calls in expander.
 376
 377 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 380         Expect to see the pattern twice.
 381         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 382         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 383         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 384
 385 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * testsuite/gcc.dg/graphite/id-10.c: New.
 388         * testsuite/gcc.dg/graphite/id-12.c: New.
 389         * testsuite/gfortran.dg/graphite/id-7.f: New.
 390         * testsuite/gfortran.dg/graphite/id-8.f: New.
 391
 392 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 395         zero.
 396
 397 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 398
 399         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 400
 401 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 402
 403         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 404
 405 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 408         building PDR subscripts.
 409
 410 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 411
 412         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 413         computation of array sizes.
 414
 415 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 416
 417         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 418
 419 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 420
 421         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 422         build_pairwise_constraint, dr_equality_constraints,
 423         build_pairwise_scheduling_equality,
 424         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 425         build_lexicographically_gt_constraint, dependence_polyhedron,
 426         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 427         Move from NNC_Polyhedron to C_Polyhedron.
 428         * graphite-interchange.c (compute_array_size_poly,
 429         gather_access_strides): Dito.
 430         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 431         free_scop, pbb_number_of_iterations): Dito.
 432         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 433         pbb_dim_iter_domain, struct scop): Dito.
 434         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 435         new_Cloog_Domain_from_ppl_Polyhedron,
 436         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 437         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 438         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 439         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 440         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 441         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 442         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 443         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 444         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 445         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 446         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 447         build_scop_iteration_domain, build_poly_dr): Dito
 448
 449 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 450
 451         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 452         run-id-*.c files.
 453         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 454
 455 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 456
 457         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 458         positivity constraint on the symbolic number of iterations.
 459
 460 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 461
 462         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 463
 464 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 465             Tobias Grosser  <grosser@fim.uni-passau.de>
 466
 467         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 468         (build_cloog_prog): Directly use SCOP_CONTEXT.
 469         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 470         (free_scop): Free SCOP_CONTEXT.
 471         (print_scop_context): New.
 472         (print_scop): Call print_scop_context.
 473         (debug_scop_context): New.
 474         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 475         (struct scop): Added field context.
 476         (SCOP_CONTEXT): New.
 477         * graphite-sese-to-poly.c (add_param_constraints): New.
 478         (build_scop_context): New.
 479         (build_poly_scop): Call build_scop_context.
 480
 481 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 482
 483         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 484         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 485         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 486         * graphite-ppl.h: Include double-int.h and tree.h.
 487         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 488         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 489         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 490         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 491
 492 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 495         POINTER_PLUS_EXPR for pointer types.
 496         (clast_to_gcc_expression): Same.
 497
 498 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         * graphite-poly.c (print_scattering_function): Early return when
 501         PBB_TRANSFORMED_SCATTERING is not initialized.
 502         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 503
 504 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 505
 506         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 507         to fix bootstrap.
 508
 509 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 510
 511         * tree-parloops.c (analyze_reduction_list): Change return
 512         value to void.
 513         (try_create_reduction_list): Move the call to
 514         analyze_reduction_list to the beginining.
 515         Call reduction_phi with analyzed_reductions as argument
 516         instead of reduction_list.
 517
 518 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 519
 520         *  Merge from mainline (r148296:149346)
 521
 522 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * graphite-scop-detection.c (graphite_can_represent_init): New.
 525         (graphite_can_represent_scev): Call graphite_can_represent_init:
 526         check that the initial value does not contain multiplications of
 527         parameters.
 528         (stmt_has_simple_data_refs_p): New.
 529         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 530         (is_simple_operand): Fix formatting.
 531         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 532
 533 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * testsuite/gcc.dg/graphite/id-13.c: New.
 536         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 537         analyze_scalar_evolution, use scalar_evolution_in_region.
 538         (scan_tree_for_params_right_scev): Add extra assert.
 539         (parameter_index_in_region_1): Split from parameter_index_in_region.
 540         (idx_record_params): Use scalar_evolution_in_region.
 541         (find_params_in_bb): Same.
 542         (find_scop_parameters): Same.
 543         (build_loop_iteration_domains): Same.
 544         (create_linear_expr_from_tree): Same.
 545         * sese.c (scalar_evolution_in_region): New.
 546         * sese.h (scalar_evolution_in_region): Declared.
 547         (defined_in_sese_p): New.
 548         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 549         static anymore.
 550         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 551         Declared.
 552
 553 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 554
 555         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 556         TREE_DATA_REF_H also implies SCEV_H.
 557
 558 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 559
 560         * graphite-poly.c (print_scop_params): New.
 561         (print_scop): Call print_scop_params.
 562         (debug_scop_params): New.
 563         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 564
 565 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 566
 567         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 568         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 569         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 570         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 571         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 572         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 573
 574 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 575
 576         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 577         for dependency checking part.
 578         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 579         tests for dependency checking.
 580         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 581         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 582         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 583         flag -fdump-tree-graphite-all for autopar testsuites.
 584
 585 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 588         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 589         canonicalize_loop_ivs): Moved...
 590         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 591
 592 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 593
 594         * tree-parloops.c (try_create_reduction_list): Pass an extra
 595         argument analyzed_reductions.  Call analyze_reduction_list.
 596         (gen_parallel_loop): Do not call analyze_reduction_list.
 597         (parallelize_loops): Init and finalize analyzed_reductions.
 598
 599 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 600
 601         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 602         Added flag -fno-loop-strip-mine for autopar testcase.
 603
 604 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 605
 606         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 607         transformed scattering dimension instead of unmatch orignal when
 608         calling dependence_polyhedron.
 609
 610 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 613
 614 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 617         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 618
 619 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 622         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 623         * graphite-poly.c (pbb_number_of_iterations): New.
 624         * graphite-poly.h (pbb_number_of_iterations): Declared.
 625         (pbb_iterator_dim, pbb_parameter_dim): New.
 626
 627 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 630         last commit on type of lower and upper bound of loops.
 631
 632 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 633
 634         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 635         graphite-dependences.h.
 636         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 637         (mark_bb_with_pbb): New.
 638         (get_stmtfor_depth): New.
 639         (find_pbb_via_hash): New.
 640         (dependency_in_loop_p): New.
 641         (mark_loops_parallel): New.
 642         (free_aux_in_new_loops): New.
 643         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 644         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 645         innermost loop parallel without checking.
 646         (gloog): Add parameter BB_PBB_MAPPING.
 647         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 648         (gloog): Change declaration.
 649         (mark_loop_parallel): Make extern.
 650         (free_aux_in_new_loops): Declare.
 651         (bb_pbb_map_hash): New.
 652         (eq_bb_pbb_map): New.
 653         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 654         auto parallelization when flag_graphite_force_parallel is set.
 655         (graphite_finalize): Added free_aux_in_new_loops.
 656         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 657         the innermost loop that marked parallel.  Use
 658         flag_graphite_force_parallel instead of loop->can_be_parallel.
 659         (loop_parallel_p): Move inner most checking out of function.
 660
 661 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 664         type of lower and upper bound of loops signed long int.
 665
 666 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 669         expression outside the loop.
 670
 671 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * gcc.dg/graphite/interchange-8.c: New.
 674
 675 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 676
 677         * gcc.dg/graphite/interchange-0.c: XFailed.
 678         * gcc.dg/graphite/interchange-5.c: XFailed.
 679         * gcc.dg/graphite/interchange-6.c: XFailed.
 680
 681 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         * graphite-interchange.c (compute_array_size_poly): The end of the
 684         recursion should return 1.
 685
 686 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 687
 688         * graphite-interchange.c (compute_array_size_cstr): Allow the
 689         subscript multiplier to be -1.
 690         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
 691         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
 692         data_container.  Initializes PDR_DATA_CONTAINER.
 693         (print_pdr_access_layout): New.
 694         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
 695         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
 696         data_container.
 697         (PDR_DATA_CONTAINER): New.
 698         (new_poly_dr): Update declaration.
 699         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
 700         (build_poly_dr): Call pdr_add_data_dimensions.
 701
 702 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 703
 704         * graphite-poly.h (struct poly_dr): Fix comment.
 705         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
 706         (pdr_add_memory_accesses): New.
 707         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
 708
 709 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-poly.c (print_pdrs, debug_pdrs): New.
 712         (print_pbb): Add call to print_pdrs.
 713         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
 714
 715 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 716             Li Feng <nemokingdom@gmail.com>
 717
 718         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
 719         (dependency_between_pbbs_p): New.
 720         (lexicographically_gt_p): Assure !empty_p before polyhedron
 721         intersection assign.
 722         (build_lexicographically_gt_constraint): Correct lexicographically
 723         judging.
 724         * graphite-dependences.h: New.
 725         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
 726
 727 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * graphite-clast-to-gimple.c (print_clast_stmt): New.
 730         (gloog): Print to dump_file the generated clast.
 731         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
 732         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
 733
 734 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 735
 736         * graphite-poly.c (extend_scattering): Increment
 737         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
 738
 739 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 740
 741         * graphite-interchange.c (compute_array_size_poly): Added exit of
 742         recursion condition.  Continue iterating even after the first equality.
 743         (compute_array_size): Same.
 744
 745 2009-06-24  Li Feng  <nemokingdom@gmail.com>
 746
 747         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
 748         -fdump-tree-final_cleanup to -fdump-tree-optimized.
 749         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 750         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 751         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
 752
 753 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 754
 755         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
 756         only when the use verifies is_gimple_reg.
 757
 758 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 759
 760         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
 761         Allocate scaldims after call to unify_scattering_dimensions.
 762
 763 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
 766
 767 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 768             Albert Cohen  <albert.cohen@inria.fr>
 769
 770         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
 771         variables for the strip mining.
 772
 773 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 774             Pranav Garg  <pranav.garg2107@gmail.com>
 775
 776         * Makefile.in (OBJS-common): Added graphite-blocking.o.
 777         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
 778         (graphite-blocking.o): New rule.
 779         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
 780         * graphite-blocking.c: New.
 781         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
 782         flag_loop_strip_mine.
 783         (psct_scattering_dim_for_loop_depth): New.
 784         * graphite-poly.h (scop_do_strip_mine): Declared.
 785         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
 786         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
 787         flag_loop_strip_mine.
 788
 789 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 790
 791         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
 792         a GMP value and a PPL coefficient at each iteration of a loop.
 793
 794 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 795
 796         * graphite-dependences.c (dependence_polyhedron): Do not use
 797         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
 798         pbb_nb_scattering_transform.
 799         (graphite_legal_transform_dr): Same.
 800         * graphite-poly.c (extend_scattering): Same.
 801         (unify_scattering_dimensions): Same.
 802         (print_scattering_function): Same.
 803         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
 804         PBB_NB_LOCAL_VARIABLES.
 805         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
 806         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
 807         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
 808         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
 809         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
 810         (pbb_nb_scattering_transform): New.
 811         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
 812         (psco_scattering_dim): Add assert on parameters.
 813         (psct_scattering_dim): Same.
 814         (psct_scattering_dim_for_loop_depth): Declared.
 815         (psct_local_var_dim): New.
 816         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
 817         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
 818         correct layout, call pbb_nb_local_vars.
 819         (psct_add_local_variable, psct_add_scattering_dimension): New.
 820         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 821         Initialize PBB_NB_SCATTERING_TRANSFORM.
 822
 823 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
 826         (set_coef): Renamed ppl_set_coef.
 827         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
 828
 829 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 830
 831         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
 832         test a boolean against 1.
 833         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
 834         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
 835         (pbb_do_interchange): Returns true when a transform has been performed.
 836         (scop_do_interchange): Same.
 837         * graphite-poly.c (apply_poly_transforms): Use the return value of
 838         scop_do_interchange.
 839         * graphite-poly.h (scop_do_interchange): Update declaration.
 840
 841 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 842
 843         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
 844         after last use.
 845         * sese.c (sese_reset_aux_in_loops): New.
 846         * sese.h (sese_reset_aux_in_loops): New.
 847
 848 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
 849
 850         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
 851         multiplier and multiply the constant by the multiplier.
 852         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
 853         (build_poly_dr): Do not use the multiplier to define the subscript.
 854
 855 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
 858         compiler's data reference.  Initialize PDR_CDR.
 859         (print_pdr): Call dump_data_reference.
 860         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
 861         Add compiler_dr field.
 862         (PDR_BB): Renamed PDR_PBB.
 863         (PDR_CDR): New.
 864         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
 865         GCC's data reference representation.
 866         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
 867         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
 868
 869 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
 870
 871         * graphite-poly.c (print_scattering_function): Also print the layout.
 872         * graphite-poly.h (pbb_nb_local_vars): New.
 873
 874 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
 875
 876         * graphite-poly.c (print_pbb_domain): Also print the layout names.
 877
 878 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-poly.c (print_pdr, debug_pdr): New.
 881         * graphite-poly.h (print_pdr, debug_pdr): Declared.
 882         (PDR_BASE): Removed.
 883
 884 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
 887         ltrans-{1..6,8}.c.
 888
 889 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * graphite-interchange.c (compute_subscript): Allow also -1 in the
 892         subscript identification column.
 893         (pbb_do_interchange): Print to dump_file that some loops "will be
 894         interchanged".  Rely on that chain of characters in the testcases.
 895         * gcc.dg/graphite/interchange-0.c: New.
 896         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
 897         interchange-*.c files and compile them with -floop-interchange.
 898
 899 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
 900
 901         * graphite-interchange.c (interchange_profitable_p): Renamed
 902         pbb_interchange_profitable_p.
 903
 904 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
 905             Harsha Jagasia  <harsha.jagasia@amd.com>
 906             Pranav Garg  <pranav.garg2107@gmail.com>
 907
 908         * graphite-interchange.c (interchange_profitable_p): Make static.
 909         (pbb_interchange_loop_depths, pbb_do_interchange,
 910         scop_do_interchange): New.
 911         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
 912         for flag_loop_interchange.
 913         * graphite-poly.h (scop_do_interchange): Declared.
 914         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
 915         flag_loop_interchange is used.
 916
 917 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
 918
 919         * graphite-dependences.c (dependence_polyhedron): Update use of
 920         pbb_nb_scattering_dims.
 921         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
 922         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
 923         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
 924         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
 925
 926 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
 927
 928         * graphite.c: Cleanup foo.
 929
 930 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
 931
 932         * Merge from mainline (r143684:148293).
 933         * Disabled libpcp until it gets fixed.
 934
 935 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
 936             Harsha Jagasia  <harsha.jagasia@amd.com>
 937
 938         * graphite-interchange.c: New.
 939         * Makefile.in (graphite-interchange.o): New.
 940         * graphite-poly.h (interchange_profitable_p): Declared.
 941         * graphite-ppl.h (value_max): New.
 942
 943 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
 944
 945         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
 946         * graphite-poly.h: Fix some comments.
 947         (pdr_dim): New.
 948         (pdr_scop): New.
 949
 950 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
 951
 952         * graphite-poly.h
 953         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
 954         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
 955         (pdr_accessp_nb_params): Renamed pdr_nb_params.
 956         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
 957         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
 958         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
 959         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
 960         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
 961         * graphite-clast-to-gimple.c: Same.
 962         * graphite-dependences.c: Same.
 963         * graphite-poly.c: Same.
 964         * graphite-sese-to-poly.c: Same.
 965
 966 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
 969         expressions for an IV rename, as returned by clast_to_gcc_expression.
 970         (copy_renames): Rename new_name to expr.
 971         * sese.c (debug_rename_elt): Same.
 972         (get_rename): Same.
 973         (set_rename): Same.
 974         (sese_adjust_liveout_phis): Call force_gimple_operand before using
 975         the information from the rename map.
 976         (rename_variables_in_stmt): Same.
 977         (add_loop_exit_phis): Rename new_name to expr.
 978         (insert_loop_close_phis): Same.
 979         (add_guard_exit_phis): Same.  Call force_gimple_operand.
 980         * sese.h (struct rename_map_elt): Rename new_name to expr.
 981         (new_rename_map_elt): Same.
 982
 983 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
 984
 985         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
 986         * sese.c (set_rename): Make it extern.
 987         * sese.h (set_rename): Declared.
 988
 989 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-poly.c (extend_scattering): Free values.
 992         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
 993         Free iterators.
 994         (ppl_print_powerset_matrix): Same.
 995         * graphite-scop-detection.c (free_scops_1): New.
 996         (limit_scops): Call free_scops_1.
 997         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
 998         (build_poly_dr): Free PPL coefficients.
 999         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1000
1001 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         * graphite-dependences.c: New.
1004         * graphite-data-ref.c: Removed.
1005         * graphite-data-ref.h: Removed.
1006         * Makefile.in (graphite-data-ref.o): Removed.
1007         (graphite-dependences.o): Added.
1008         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1009         * graphite-poly.c: Same.
1010         Move the data dependence testing to graphite-dependences.c.
1011
1012 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1013
1014         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1015         from graphite_cannot_represent_loop. Code refactored.
1016         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1017
1018 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1019
1020         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1021         Cover all the testcases (not only the filtered ones).
1022
1023 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1024
1025         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1026         unnecessary check. Update comments. Move check for REAL_TYPE here.
1027         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1028         done in (stmt_simple_for_scop_p).
1029
1030 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1031
1032         * graphite.c (print_global_statistics): New.
1033         (print_graphite_scop_statistic): New.
1034         (print_graphite_statistics): New.
1035         (graphite_initialize, graphite_transform_loops): Print statistics.
1036         * graphite-scop-detection (build_scops): Print statistics.
1037         (print_graphite_scop_statistics): New.
1038         (print_graphite_statistics): New.
1039
1040 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1041
1042         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1043         (debug_clast_name_index): Removed.
1044         (debug_clast_name_indexes_1): Removed.
1045         (debug_clast_name_indexes): Removed.
1046         (clast_name_index_elt_info): Removed.
1047         (eq_clast_name_indexes): Removed.
1048         (clast_name_to_index): Removed.
1049         (new_clast_name_index): Removed.
1050         (save_clast_name_index): Removed.
1051         (save_var_name): Moved...
1052         (init_sese_params_index): Removed.
1053         (clast_name_to_gcc): Remove use of name_tree.
1054         (initialize_cloog_names): Same.
1055         (gloog): Do not call init_sese_params_index.
1056         * graphite-sese-to-poly.c (save_var_name): ...here.
1057         (parameter_index_in_region): New.
1058         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1059         (parameter_index_in_region): Removed.
1060         (is_parameter): Remove use of name_tree.
1061         * sese.h (struct name_tree): Removed.
1062         (struct sese): Remove use of name_tree.  New field params_names.
1063         (SESE_PARAMS_NAMES): New.
1064         (SESE_PARAMS): Remove duplicate.
1065         (parameter_index_in_region): Removed.
1066         (sese_nb_params): Remove use of name_tree.
1067         (struct clast_name_index): New.
1068         (new_clast_name_index): New.
1069         (clast_name_to_index): New.
1070         (save_clast_name_index): New.
1071         (debug_clast_name_index): New.
1072         (debug_clast_name_indexes_1): New.
1073         (debug_clast_name_indexes): New.
1074         (clast_name_index_elt_info): New.
1075         (eq_clast_name_indexes): New.
1076
1077 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1080         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1081         (graphite_loop_normal_form): Do not pass region.  Do not
1082         initialize SESE_OLDIVS.
1083         (build_graphite_loop_normal_form): Update call to
1084         graphite_loop_normal_form.
1085         * sese.c (debug_oldivs): Removed.
1086         (new_sese): Do not initialize SESE_OLDIVS.
1087         (free_sese): Do not free SESE_OLDIVS.
1088         (oldiv_for_loop): Removed.
1089         * sese.h (struct sese): Remove old_ivs.
1090         (SESE_OLDIVS): Removed.
1091         (oldiv_for_loop): Removed.
1092
1093 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1096         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1097         replaced by a call to newivs_to_depth_to_newiv.
1098         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1099         (clast_to_gcc_expression_red): Same.
1100         (gcc_type_for_clast_expr): Same.
1101         (gcc_type_for_clast_eq): Same.
1102         (graphite_translate_clast_equation): Same.
1103         (graphite_create_guard_cond_expr): Same.
1104         (graphite_create_new_guard): Same.
1105         (graphite_create_new_loop): Same.
1106         (build_iv_mapping): Same.
1107         (translate_clast): Same.
1108         (gloog): Same.
1109         (loop_iv_stack_patch_for_consts): Removed.  *
1110         sese.c (iv_stack_entry_is_constant): Removed.
1111         (iv_stack_entry_is_iv): Removed.
1112         (loop_iv_stack_push_iv): Removed.
1113         (loop_iv_stack_insert_constant): Removed.
1114         (loop_iv_stack_pop): Removed.
1115         (loop_iv_stack_get_iv): Removed.
1116         (loop_iv_stack_get_iv_from_name): Removed.
1117         (debug_loop_iv_stack): Removed.
1118         (free_loop_iv_stack): Removed.
1119         (loop_iv_stack_remove_constants): Removed.  *
1120         sese.h (iv_stack_entry_kind): Removed.
1121         (iv_stack_entry_data_union): Removed.
1122         (iv_stack_entry_struct): Removed.
1123         (iv_stack_entry_p): Removed.
1124         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1125         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1126         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1127         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1128         (gbb_loop_at_index): Fix indenting.
1129         (gbb_loop_index): Removed.
1130
1131 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1134         Call clast_name_to_index.
1135
1136 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1139         do not pass params.  Get params from SESE_PARAMS.
1140         (clast_to_gcc_expression): Same.
1141         (clast_to_gcc_expression_red): Same.
1142         (gcc_type_for_clast_eq): Same.
1143         (graphite_translate_clast_equation): Same.
1144         (graphite_create_new_loop): Same.
1145         * sese.c (rename_variables_in_stmt): Fix comment.
1146
1147 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1148
1149         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1150         newivs_index.
1151         Call save_clast_name_index.
1152         (translate_clast): Pass newivs_index.
1153         (gloog): Create and free newivs_index.
1154
1155 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1156
1157         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1158         (clast_name_index_p): New type.
1159         (debug_clast_name_index): New.
1160         (debug_clast_name_indexes_1): New.
1161         (debug_clast_name_indexes): New.
1162         (clast_name_index_elt_info): New.
1163         (eq_clast_name_indexes): New.
1164         (clast_name_to_index): New.
1165         (new_clast_name_index): New.
1166         (save_clast_name_index): New.
1167         (init_sese_params_index): New.
1168         (gloog): Call init_sese_params_index.
1169         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1170         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1171         (free_sese): Free SESE_PARAMS_INDEX.
1172         * sese.h (struct sese): Add params_index.
1173         (SESE_PARAMS_INDEX): New.
1174
1175 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1178         (graphite_create_new_loop): Pass the newivs vector.  Push the
1179         newly created IV to newivs.
1180         (translate_clast): Pass the newivs vector.
1181         (gloog): Create and destroy the newivs vector.
1182
1183 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1186         (graphite_loop_normal_form): Initialize loop->aux with the unique
1187         IV that has been created.
1188
1189 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1190
1191         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1192         scev with parameters in the base part. They where forbidden
1193         exidently.
1194
1195 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1196
1197         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1198         compile options by file names.
1199         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1200         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1201         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1202         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1203
1204 2009-05-08  Li Feng <nemokingdom@gmail.com>
1205
1206         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1207         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1208         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1209         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1210
1211 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1212
1213         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1214         by final cleanup.
1215
1216 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1217
1218         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1219         allow integer constant strides.
1220         (graphite_can_represent_expr): Depend on outermost_loop.
1221         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1222         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1223         build_scops_1): Same.
1224         (scopdet_basic_block_info): Same and insert layered SCoP
1225         detection.
1226         (try_generate_gimple_bb): Cleanup.
1227         (build_scops): Enable data references.
1228
1229         * testsuite/gcc.dg/graphite/id-5.c: New.
1230         * testsuite/gcc.dg/graphite/id-9.c: New.
1231         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1232         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1233
1234 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1235
1236         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1237         that we have not yet built for this SCoP.
1238
1239 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1240
1241         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1242         for complex numbers.
1243
1244 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1245
1246         * graphite-ppl.c: Fix build if cloog is not available.
1247
1248 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1249
1250         * tree-parloops.c (loop_parallel_p): Remove construction of
1251         NITER and REDUCTION_LIST.
1252         (try_get_loop_niter): New.
1253         (try_create_reduction_list): New.
1254         (parallelize_loops): Bypass the failed checkings in autopar
1255         when can_be_parallel in loop structure is set to true.
1256
1257 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1258
1259         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1260         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1261
1262 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1263
1264         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1265         Enable EQ_EXPR and NE_EXPR again.
1266
1267 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1268
1269         * graphite-scop-detection.c (graphite_can_represent_scev):
1270         Add check if scev is affine multivariate.
1271         (harmful_stmt_in_bb): Check if we can represent the conditions.
1272         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1273         harmful_stmt_in_bb.
1274         * testsuite/gcc.dg/graphite/id-7.c: New.
1275
1276 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1277
1278         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1279         Check all bbs in region, not only the bbs that are represented in
1280         GRAPHITE.
1281         (build_poly_scop): Add newline.
1282         * testsuite/gcc.dg/graphite/id-8.c: New.
1283
1284 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1285
1286         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1287         when loop initialize.
1288         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1289         * common.opt: Declare flag_graphite_force_parallel.
1290         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1291         loop parallel.
1292         * graphite-poly.c (apply_poly_transforms): Introduce
1293         flag_graphite_force_parallel.
1294         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1295         * toplev.c (process_options): ditto and replace a not correctly
1296         encoded space.
1297
1298 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1299
1300         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1301         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1302         to the redefinition.
1303         (compute_cloog_iv_types_1): ditto.
1304         (build_iv_mapping): ditto.
1305         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1306         initialization.
1307         (free_gimple_bb): Removed GBB_LOOPS related free part.
1308         (build_bb_loops): Removed.
1309         * sese.h (struct gimple_bb): Removed loops.
1310         (GBB_LOOPS): Removed.
1311         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1312         (gbb_loop_index): ditto.
1313
1314 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1315
1316         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1317         allow non constant strides.
1318         * testsuite/gcc.dg/graphite/scop-20.c: New.
1319
1320 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-scop-detection.c (dot_all_scops): Fix system call
1323         return value warning.
1324         (dot_scop): Same.
1325
1326 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1329         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1330
1331 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1334         build_pairwise_constraint, dr_equality_constraints,
1335         build_pairwise_scheduling_equality,
1336         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1337         build_lexicographically_gt_constraint, dependence_polyhedron,
1338         graphite_legal_transform_dr, graphite_legal_transform_bb,
1339         graphite_legal_transform): New.
1340         * graphite-poly.h (graphite_legal_transform): Declared.
1341         * graphite-sese-to-poly.c (build_poly_scop): Call to
1342         graphite_legal_transform is disabled for the moment.
1343
1344 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-poly.h (pbb_nb_scattering_dims): New.
1347         (pbb_nb_scattering): Use it.
1348
1349 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1350
1351         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1352         Pointset_Powerset version of ppl_insert_dimensions.
1353         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1354
1355 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1358
1359 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1360
1361         * graphite-poly.h: Fix comment.
1362
1363 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1366
1367 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1368
1369         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1370         statements.
1371
1372 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1373
1374         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1375         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1376         conditions.
1377
1378 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1381         handle EQ_EXPR and NE_EXPR.
1382
1383 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1384
1385         * graphite-poly.h (poly_dr): Fix comment.
1386
1387 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1388             Tobias Grosser  <grosser@fim.uni-passau.de>
1389
1390         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1391         with a zero dimension polyhedron.
1392         (find_scop_parameters): Move the call to scop_set_nb_params here.
1393         (build_loop_iteration_domains): Store in loop->aux the iteration
1394         domain polyhedron.
1395         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1396         by any loop in scop.
1397         (build_poly_scop): Do not call scop_set_nb_params.
1398
1399 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1400             Tobias Grosser  <grosser@fim.uni-passau.de>
1401
1402         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1403         add_condition_to_domain not GT_EXPR.
1404
1405 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1406
1407         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1408         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1409         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1410         upper_bound_assign to calculate unions.
1411         * testsuite/gcc.dg/graphite/id-6.c: New.
1412
1413 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1414
1415         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1416         handle abnormal edges.
1417
1418 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1419
1420         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1421         (free_poly_bb): Also free poly_drs.
1422         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1423         (poly_dr): Polyhedron to Pointset_Powerset.
1424         (pdr_accessp_nb_subscripts): Same.
1425         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1426         poly_drs.
1427
1428 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1429
1430         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1431         names into more meaningful names.
1432
1433 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1436         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1437
1438 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1441         the reduction_list.
1442         * tree-parloops.c (rewrite_phi_with_iv): New.
1443         (rewrite_all_phi_nodes_with_iv): New.
1444         (canonicalize_loop_ivs): Call them.
1445
1446 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1449         graphite_find_data_references_in_stmt.
1450         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1451         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1452
1453 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1454
1455         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1456
1457 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1460         instead of bb_in_region.
1461         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1462         (build_sese_conditions): Use flag_bb_in_sese.
1463         * sese.c (register_bb_in_sese): Removed.
1464         (new_sese): Remove initialization of SESE_REGION_BBS.
1465         (free_sese): Do not free SESE_REGION_BBS.
1466         * sese.h (struct sese): Remove field region_basic_blocks.
1467         (SESE_REGION_BBS): Removed.
1468         (bb_in_sese_p): Implement in function of bb_in_region.
1469
1470 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1473         loops.
1474
1475 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1476
1477         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1478         and EQ_EXPR.
1479         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1480         (add_condition_to_domain): New.
1481         (add_condition_to_pbb): New.
1482         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1483         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1484
1485 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1486
1487         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1488         ppl_Pointset_Powerset.
1489         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1490         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1491         (pbb_nb_loops): Same.
1492         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1493         add_conditions_to_domain): Same.
1494         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1495         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1496         ppl_const_Polyhedron_t.
1497         (ppl_print_powerset_matrix): New.
1498         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1499         ppl_print_powerset_matrix): New.
1500         (ppl_print_polyhedron_matrix): Updated.
1501
1502 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1503
1504         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1505
1506 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1507
1508         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1509         (print_iteration_domains, debug_iteration_domain,
1510         debug_iteration_domains): New.
1511         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1512         debug_iteration_domains): Declared.
1513         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1514         indenting.
1515
1516 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1517             Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-poly.h (print_iteration_domain): New.
1520         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1521         (build_sese_conditions_1, build_sese_conditions_after,
1522         build_sese_conditions_before): New.
1523         (build_sese_conditions): Rewritten.
1524
1525 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1526             Tobias Grosser  <grosser@fim.uni-passau.de>
1527
1528         Cleanup of code generation liveouts.
1529         * graphite-clast-to-gimple.c (translate_clast): Use a single
1530         rename_map instead of one per translated statement.
1531         Do not use SESE_LIVEOUT_RENAMES.
1532         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1533         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1534         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1535         phi node of a reduction: when a loop contains a reduction used outside
1536         the loop, there should be a scalar close phi node on the exit block.
1537         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1538         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1539         (free_sese): Do not free them.
1540         (sese_build_liveouts_use): Do not use them.
1541         (sese_build_liveouts_bb): Same.
1542         (sese_build_liveouts): Same.
1543         (sese_insert_phis_for_liveouts): Same.
1544         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1545         (defined_in_loop_p): New.
1546         (alive_after_loop): New.
1547         (close_phi_not_yet_inserted_p): New.
1548         (struct alep, alep_p): New.
1549         (add_loop_exit_phis): Remove from the rename_map all the names defined
1550         in the code generated loop.
1551         (insert_loop_close_phis): Traverse the rename_map passed to it.
1552         Don't use SESE_LIVEOUT_RENAMES.
1553         (default_liveout_before_guard): Renamed default_before_guard.
1554         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1555         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1556         (register_sese_liveout_renames): Removed.
1557         (copy_bb_and_scalar_dependences): Do not call it.
1558         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1559         reduction_list.
1560         (SESE_LIVEOUT): Removed.
1561         (SESE_LIVEOUT_RENAMES): Removed.
1562         (SESE_REDUCTION_LIST): Removed.
1563         (sese_build_liveouts): Removed.
1564         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1565         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1566         (insert_guard_phis): Same.
1567         (rename_map_elt): Declare a VEC of them.
1568         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1569         trees not pointers to trees.
1570
1571         Rewrite in canonical close SSA form:
1572         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1573         (limit_scops): Close the scop after the block containing the close phi
1574         nodes.
1575         (canonicalize_loop_closed_ssa): New.
1576         (canonicalize_loop_closed_ssa_form): New.
1577         (build_scops): Call canonicalize_loop_closed_ssa_form.
1578
1579         * graphite-sese-to-poly.c: Fix typos.
1580
1581 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1584         Extended.
1585         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1586         (print_pbb): Add conditions.
1587
1588 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1589             Sebastian Pop  <sebastian.pop@amd.com>
1590
1591         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1592         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1593         (build_scop_bbs_1): New.
1594         (build_scop_bbs): Rewrite.
1595         * sese.h (bb_in_region): New.
1596
1597 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1598
1599         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1600         poly_drs vector.
1601         (print_scop): Style.
1602         * graphite-poly.h (poly_bb): Add drs vector.
1603         (PBB_DRS): Add accessor.
1604         * graphite-sese-to-poly.c (build_poly_dr): New.
1605         (build_pbb_drs, build_scop_drs): New.
1606         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1607
1608 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1609
1610         * tree-ssa-loop.c: Include forgotten toplev.h
1611
1612 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1613
1614         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1615         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1616         * testsuite/gcc.dg/graphite/pr37928.c: Same
1617         * testsuite/gcc.dg/graphite/pr38409.c: Same
1618         * testsuite/gcc.dg/graphite/pr38498.c: Same
1619         * testsuite/gcc.dg/graphite/pr38559.c: Same
1620         * testsuite/gcc.dg/graphite/pr39335.c: Same
1621         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1622         * testsuite/gfortran.dg/graphite/block-2.f: Same
1623         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1624         with -floop-*.
1625
1626 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1627
1628         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1629         build_access_matrix, build_scop_data_accesses): Remove access function
1630         building. (We get a new version soon).
1631         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1632         * sese.h (nb_loops_around_loop_in_sese): Remove.
1633         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1634
1635 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1636             Sebastian Pop  <sebastian.pop@amd.com>
1637
1638         * graphite-scop-detection.c (struct scopdet_info): Rename last
1639         field to exit.
1640         (scopdet_basic_block_info, build_scops_1): Don't use
1641         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1642
1643 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1644             Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1647         * sese.c (sese_build_liveouts_use): Renamed from
1648         sese_build_livein_liveouts_use. Remove liveins.
1649         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1650         Call sese_build_liveouts_use.
1651         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1652         Call sese_build_liveouts_bb.
1653         (new_sese, free_sese): Remove liveins.
1654         (sese_add_exit_phis_var): Deleted.
1655         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1656         directly.
1657         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1658
1659         * sese.h (sese): Remove num_ver and livein.
1660         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1661
1662 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1663
1664         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1665
1666 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1667
1668         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1669         (build_scop_scattering): Do not use compare_prefix_loops any more.
1670         (nb_common_loops): New.
1671
1672 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1675         (register_old_and_new_names): Renamed set_rename.
1676
1677 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1680         of the decl from the previous commit.
1681
1682 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * graphite-scop-detection.c (dot_scop): New.
1685         * graphite-scop-detection.h (dot_scop): Declared.
1686
1687 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1690
1691 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1694         condition at the end of the loop.
1695         * graphite.c (graphite_initialize, graphite_finalize): Print to
1696         dump_file the compiled function.
1697         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1698         of create_empty_loop_on_edge.
1699         (translate_clast): Update the code generation of loops for the new
1700         shape of loops.
1701         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1702
1703 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1704
1705         Reverted the patch from 2009-03-19.
1706
1707 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1708
1709         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1710         poly_drs vector.
1711         (print_scop): Style.
1712         * graphite-poly.h (poly_bb): Add drs vector.
1713         (PBB_DRS): Add accessor.
1714         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
1715         (build_access_matrix_with_af, build_access_matrix,
1716         build_scop_data_accesses): Delete.
1717         (build_poly_dr): New.
1718         (build_pbb_drs, build_scop_drs): New.
1719         (build_poly_scop): call build_scop_drs.
1720
1721 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1724         once per basic block.
1725
1726 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1727
1728         * graphite-scop-detection.c (graphite_can_represent_scev): New.
1729         (graphite_can_represent_expr): Renamed from loop_affine_expr
1730         and enhanced.
1731         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
1732         (graphite_cannot_represent_loop): Add scop_entry to parameters.
1733         (scopdet_basic_block_info): Actually define entry_block.
1734         (stmt_simple_memref_p): Moved here from ...
1735
1736         * tree-data-ref.c (stmt_simple_memref_p): here.
1737         * tree-data-ref.h (stmt_simple_memref_p): Removed.
1738
1739 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1740
1741         * testsuite/gcc.dg/graphite/id-4.c: New.
1742
1743 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1746         (register_old_and_new_names): Update the content of the map.
1747         When there was already a rename_map_elt in the map at that
1748         location, free it.
1749         (copy_bb_and_scalar_dependences): Do rename_variables after
1750         expand_scalar_variables.
1751         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1752         of the map.  When there was already a rename_map_elt in the
1753         map at that location, free it.
1754         (translate_clast): Pass the rename_map.  Do not initialize and free
1755         a rename_map per stmt_user.
1756         (gloog): Initialize and free one rename_map and pass it to
1757         translate_clast.
1758
1759 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1760
1761         * sese.c (expand_scalar_variables_stmt,
1762         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
1763         parameter.
1764         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
1765         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
1766         the gimple_stmt_iterator of the statement to be expanded.
1767         * graphite-scop-detection.c (is_simple_operand): Do handle
1768         REALPART_EXPR.
1769
1770 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1771
1772         * graphite-scop-detection.c (is_simple_operand): Do not handle
1773         REALPART_EXPR.
1774         * testsuite/gcc.dg/graphite/id-2.c: New.
1775
1776         * graphite-sese-to-poly.c (build_bb_loops,
1777         add_value_to_dim, scan_tree_for_params_right_scev,
1778         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
1779         find_params_in_bb, build_loop_iteration_domains,
1780         add_conditions_to_domain): Remove subtract.
1781
1782 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1783
1784         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
1785         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
1786         pbb_loop_at_index -> gbb_loop_at_index.
1787         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
1788         (debug_loop_vec): Delete.
1789         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
1790         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
1791         (PBB_LOOPS): Removed.
1792         (PBB_BLACK_BOX): Insert cast.
1793         (pbb_set_black_box): New setter.
1794         (pbb_loop_at_index, pbb_loop_index): Removed.
1795         (scop_set_region, scop_set_nb_params): New.
1796         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
1797         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
1798         (build_poly_scop): Use scop_set_nb_params.
1799         * sese.h (gimple_bb): Add LOOPS.
1800         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
1801
1802 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1803
1804         Revert previous commit.
1805
1806 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1809         (register_old_and_new_names): Update the content of the map.
1810         When there was already a rename_map_elt in the map at that
1811         location, free it.
1812         (copy_bb_and_scalar_dependences): Do rename_variables after
1813         expand_scalar_variables.
1814         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1815         of the map.  When there was already a rename_map_elt in the
1816         map at that location, free it.
1817         (translate_clast): Pass the rename_map.  Do not initialize and free
1818         a rename_map per stmt_user.
1819         (gloog): Initialize and free one rename_map and pass it to
1820         translate_clast.
1821
1822 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1823
1824         Remove forgotten line in revert.
1825
1826 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         Revert previous commit.
1829
1830 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * sese.c (register_old_and_new_names): Update the content
1833         of the map.  When there was already a rename_map_elt in the
1834         map at that location, free it.
1835         (copy_bb_and_scalar_dependences): Do rename_variables after
1836         expand_scalar_variables.
1837         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1838         of the map.  When there was already a rename_map_elt in the
1839         map at that location, free it.
1840         (translate_clast): Pass the rename_map.  Do not initialize and free
1841         a rename_map per stmt_user.
1842         (gloog): Initialize and free one rename_map and pass it to
1843         translate_clast.
1844
1845 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1846
1847         * graphite-clast-to-gimple.c (translate_clast): context_loop
1848         is never NULL.
1849
1850 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1851             Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
1854         of the use of ppl_Polyhedron_map_space_dimensions.
1855
1856 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1857             Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-poly.c (unify_scattering_dimensions): Fix types.
1860         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
1861         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
1862         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
1863         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
1864         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
1865         pbb_nb_params): New.
1866         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
1867         nb_loops_around_pbb): Adapt return types.
1868
1869 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1870
1871         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
1872         graphite-clast-to-gimple.o,  graphite-data-ref.o,
1873         graphite-scop-detection.o, graphite-poly.o): Add
1874         more headers.
1875
1876 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1877
1878         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
1879         graphite-clast-to-gimple.o,  graphite-data-ref.o,
1880         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
1881
1882 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1883
1884         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
1885         * testsuite/gcc.dg/graphite/pr37828.c: Same.
1886         * testsuite/gcc.dg/graphite/pr37684.c: Same.
1887         * testsuite/gcc.dg/graphite/block-0.c: Same.
1888         * testsuite/gcc.dg/graphite/block-1.c: Same.
1889         * testsuite/gcc.dg/graphite/block-2.c: Same.
1890         * testsuite/gcc.dg/graphite/block-3.c: Same.
1891         * testsuite/gcc.dg/graphite/block-4.c: Same.
1892         * testsuite/gcc.dg/graphite/block-5.c: Same.
1893         * testsuite/gcc.dg/graphite/block-6.c: Same.
1894         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
1895         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
1896         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1897         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
1898         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1899         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
1900         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
1901         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
1902         * opts.c: Remove -floop-block from -O2.
1903         * graphite-poly.c: Fail if -floop-block -floop-interchange or
1904         -floop-strip-mine are used.
1905
1906 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1907             Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
1910         dimensions.
1911         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
1912         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
1913         strip_mine_profitable_p, is_interchange_valid,
1914         graphite_trans_bb_block, graphite_trans_loop_block,
1915         graphite_trans_scop_block): Temporary removed.
1916         (extend_scattering, unify_scattering_dimensions): New.
1917         (print_scattering_function, graphite_read_transforms):
1918         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
1919         (graphite_generate_scattering_fns): Removed.
1920         (apply_poly_transforms): Cleanup.
1921         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
1922         (schedule_to_scattering): Moved.
1923         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
1924         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
1925         (pbb_nb_scattering): New.
1926         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
1927         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
1928         Removed.
1929         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
1930         shift_poly.
1931         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
1932         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
1933         -> PBB_TRANSFORMED_SCATTERING.
1934         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
1935         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
1936         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
1937         (check_poly_representation): Do not return bool.
1938         (graphite_transform_loops): Reformat.
1939         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
1940
1941 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
1944         debug_pbb_domain, debug_pbb, debug_scop): New.
1945         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
1946         debug_pbb_domain, debug_pbb, debug_scop): Declared.
1947
1948 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         PR middle-end/39335
1951         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1952         when the type precision of the induction variable should be
1953         larger than the type precision of nit.
1954         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1955         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
1956         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1957
1958         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
1959         * testsuite/gcc.dg/graphite/pr39335.c: New.
1960
1961 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1964         SSA_NAMES not struct reduction_info.
1965
1966 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
1969
1970 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1971             Tobias Grosser  <grosser@fim.uni-passau.de>
1972
1973         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
1974         (free_sese): Free SESE_REDUCTION_LIST.
1975         * sese.h (struct sese): Add field reduction_list.
1976         (SESE_REDUCTION_LIST): New.
1977         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
1978         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
1979
1980 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1981             Tobias Grosser  <grosser@fim.uni-passau.de>
1982
1983         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
1984         of loop_p.
1985
1986 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1987             Tobias Grosser  <grosser@fim.uni-passau.de>
1988
1989         * tree-parloops.c (struct brli, build_reduction_list_info,
1990         analyze_reduction_list, gather_scalar_reductions): New.
1991         (loop_parallel_p): Build a reduction list containing only
1992         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
1993         (gen_parallel_loop): Call the analysis analyze_reduction_list.
1994         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
1995         * tree-flow.h (gather_scalar_reductions): Declared.
1996
1997 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         PR middle-end/39308
2000         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2001         number_of_iterations_exit from a gcc_assert.
2002
2003 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2004             Jan Sjodin  <jan.sjodin@amd.com>
2005
2006         * output.h (graphite_out_file, graphite_in_file): Declared.
2007         * toplev.c (graphite_out_file, graphite_in_file): New.
2008         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2009         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2010         Don't call schedule_to_scattering.
2011         * common.opt (fgraphite-write, fgraphite-read): New.
2012         * graphite-poly.c: Include output.h.
2013         (print_scattering_function, print_scattering_functions,
2014         debug_scattering_function, debug_scattering_functions,
2015         graphite_write_transforms, graphite_read_transforms,
2016         graphite_generate_scattering_fns): New.
2017         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2018         Call graphite_generate_scattering_fns, graphite_write_transforms,
2019         graphite_read_transforms.
2020         (new_poly_bb): Initialize PBB_SCATTERING.
2021         (free_poly_bb): Free PBB_SCATTERING.
2022         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2023         * graphite-poly.h (struct poly_bb): Add field scattering.
2024         (PBB_SCATTERING): New.
2025         (print_scattering_function, print_scattering_functions,
2026         debug_scattering_function, debug_scattering_functions): Declared.
2027         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2028         GMP values, not integers!
2029         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2030         ppl_read_polyhedron_matrix): New.
2031         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2032         debug_ppl_polyhedron_matrix,
2033         ppl_read_polyhedron_matrix): Declared.
2034         * Makefile.in (graphite-poly.o): Depends on output.h.
2035
2036 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2037             Tobias Grosser  <grosser@fim.uni-passau.de>
2038
2039         Revert this change:
2040         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2041         scalar evolutions in the scop_entry->loop_father.
2042
2043 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2044             Tobias Grosser  <grosser@fim.uni-passau.de>
2045
2046         * graphite.h (ref_nb_loops): Remove declaration.
2047         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2048         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2049         debug_gbb): Moved to sese.h.
2050         * sese.h: As said.
2051
2052 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2053             Tobias Grosser  <grosser@fim.uni-passau.de>
2054
2055         * graphite-data-ref.[ch]: Disable.
2056
2057 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2058             Tobias Grosser  <grosser@fim.uni-passau.de>
2059
2060         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2061         scalar evolutions in the scop_entry->loop_father.
2062
2063 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2064
2065         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2066         (graphite_cannot_represent_loop_niter): Renamed
2067         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2068         (limit_scops): build_sese_loop_nests does not return a bool.
2069         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2070         * sese.c (nb_reductions_in_loop): ... from here.
2071         (graphite_loop_normal_form): ... from here.
2072         (sese_record_loop): Does not fail, so does not return a bool.
2073         (build_sese_loop_nests): Same.
2074         * sese.h (build_sese_loop_nests): Update declaration.
2075         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2076         (build_graphite_loop_normal_form): New.
2077         (gloog): Call build_graphite_loop_normal_form.
2078         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2079         build_sese_loop_nests.
2080
2081         * testsuite/gcc.dg/graphite/id-1.c: New.
2082
2083 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2084             Tobias Grosser  <grosser@fim.uni-passau.de>
2085
2086         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2087         The SCoP detection fix is sufficient.
2088
2089 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2090
2091         PR tree-optimization/39260
2092         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2093         the basic block contains a condition with a real type.
2094         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2095
2096         * gcc.dg/graphite/pr39260.c: New.
2097
2098 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2099
2100         * graphite-poly.c: Inlcude params.h.
2101         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2102         the size of a tile.
2103         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2104         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2105
2106 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2107             Tobias Grosser  <grosser@fim.uni-passau.de>
2108
2109         * graphite-scop-detection.c (dot_all_scops_1,
2110         dot_all_scops): Moved here.
2111         * graphite-scop-detection.h (dot_all_scops): Declared here.
2112         * graphite.c (graphite_initialize, graphite_finalize): New.
2113         (graphite_transform_loops): Cleaned up.
2114         * sese.c (debug_oldivs): Moved here.
2115         * graphite-poly.c (graphite_apply_transformations): Renamed
2116         apply_poly_transforms.
2117         (debug_loop_vec): Moved here.
2118         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2119         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2120         find_scop_parameters, build_scop_iteration_domain,
2121         add_conditions_to_constraints, build_scop_canonical_schedules,
2122         build_scop_data_accesses): Now static.
2123         (build_poly_scop, check_poly_representation): New.
2124
2125 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2126
2127         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2128         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2129         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2130         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2131         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2132         scan_tree_for_params, struct irp_data, dx_record_params,
2133         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2134         build_loop_iteration_domains, add_conditions_to_domain,
2135         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2136         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2137         build_sese_conditions, add_conditions_to_constraints,
2138         build_scop_iteration_domain, build_access_matrix_with_af,
2139         build_access_matrix,
2140         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2141
2142         * graphite-sese-to-poly.c: New.
2143         * graphite-sese-to-poly.h: New.
2144
2145         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2146
2147 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * graphite.c: Split graphite code generation to a new file.
2150         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2151         max_precision_type, clast_to_gcc_expression_red,
2152         clast_to_gcc_expression, gcc_type_for_clast_expr,
2153         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2154         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2155         graphite_create_new_guard, clast_get_body_of_loop,
2156         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2157         graphite_create_new_loop, build_iv_mapping, copy_renames,
2158         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2159         compute_cloog_iv_types, free_scattering, save_var_name,
2160         initialize_cloog_names, build_scop_context, build_cloog_prog,
2161         set_cloog_options, debug_clast_stmt, scop_to_clast,
2162         print_generated_program, debug_generated_program,
2163         gloog): Moved to graphite-clast-to-gimple.c.
2164
2165         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2166
2167         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2168         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2169         loop_iv_stack_pop, loop_iv_stack_get_iv,
2170         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2171         free_loop_iv_stack, loop_iv_stack_remove_constants,
2172         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2173         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2174         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2175         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2176         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2177         get_vdef_before_sese, sese_adjust_vphi,
2178         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2179         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2180         is_iv, expand_scalar_variables_ssa_name,
2181         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2182         expand_scalar_variables, rename_variables, remove_condition,
2183         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2184         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2185         default_liveout_before_guard, add_guard_exit_phis,
2186         insert_guard_phis, register_old_and_new_names,
2187         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2188         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2189         if_region_set_false_region, create_if_region_on_edge,
2190         move_sese_in_condition): Moved to sese.c.
2191
2192         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2193         if_region_exit, if_region_get_condition_block,
2194         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2195         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2196         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2197         ivtype_map_elt, new_ivtype_map_elt,
2198         recompute_all_dominators): Moved to sese.h.
2199
2200         * graphite-clast-to-gimple.c: New.
2201         * graphite-clast-to-gimple.h: New.
2202         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2203         * sese.c: Modified as said above.
2204         * sese.h: Same.
2205
2206 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2207
2208         * graphite.c: Split scop detection to a new file.
2209         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2210         move_sd_regions, loop_affine_expr, exclude_component_ref,
2211         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2212         graphite_cannot_represent_loop_niter, struct scopdet_info,
2213         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2214         find_single_entry_edge, find_single_exit_edge,
2215         create_single_entry_edge, sd_region_without_exit,
2216         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2217         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2218         Moved to graphite-scop-detection.c.
2219
2220         * graphite-scop-detection.c: New.
2221         * graphite-scop-detection.h: New.
2222         * Makefile.in: Add new rule for graphite-scop-detection.o.
2223
2224         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2225         tree-scalar-evolution.h.
2226         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2227         build_sese_loop_nests): Moved here from graphite.c.
2228         (param_index): Renamed parameter_index_in_region.
2229
2230 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2231             Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         * gcc.dg/graphite/block-0.c: Expected to fail now.
2234         * gcc.dg/graphite/block-1.c: Same.
2235         * gcc.dg/graphite/block-5.c: Same.
2236         * gcc.dg/graphite/block-6.c: Same.
2237
2238 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2239             Sebastian Pop  <sebastian.pop@amd.com>
2240
2241         * graphite.h: Separate from graphite_bb_p the polyhedral
2242         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2243         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2244         graphite-data-ref.h.
2245         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2246         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2247         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2248         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2249         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2250         scop_nb_params): Moved to graphite-poly.h.
2251         * graphite-data-ref.c: Same.
2252         * graphite-data-ref.h: New.
2253         * graphite.c: Same.
2254         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2255         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2256         is_interchange_valid, graphite_trans_bb_block,
2257         graphite_trans_loop_block, scop_max_loop_depth,
2258         graphite_trans_scop_block, graphite_apply_transformations,
2259         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2260         graphite-poly.c.
2261         * graphite-poly.h: New.
2262         * graphite-poly.c: New.
2263         * Makefile.in (OBJS-common): Add graphite-poly.o.
2264         (graphite-poly.o): New rule.
2265         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2266         (DR_SCOP): Removed.
2267
2268 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2269             Tobias Grosser  <grosser@fim.uni-passau.de>
2270
2271         * graphite.c: Replace gb -> gbb.
2272         * graphite.h: Same.
2273         * graphite-data-ref.c: Same.
2274
2275 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2276             Tobias Grosser  <grosser@fim.uni-passau.de>
2277
2278         * Makefile.in (OBJS-commmon): Add sese.o.
2279         (sese.o): New.
2280         (graphite.o): Add sese.h.
2281         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2282         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2283         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2284         Move to sese.
2285         (block_before_scop): Add missing return.
2286         (new_scop, free_scop): Remove SESE data structures.
2287         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2288         find_scop_parameters, build_loop_iteration_domains,
2289         add_conditions_to_domain, register_scop_liveout_renames,
2290         copy_bb_and_scalar_dependences): Scop -> SESE.
2291
2292         (add_conditions_to_domain): SCoP -> SESE and remove check
2293         (scop_contains_non_iv_scalar_phi_nodes): New.
2294         (build_scop_conditions_1, build_scop_conditions): Remove check for
2295         non iv scalar phi nodes.
2296         (print_scop_statistics): New.
2297         (graphite_transform_loops): Cleanup.
2298
2299         * graphite.h: Move to sese & cleanup.
2300         * sese.c: New.
2301         * sese.h: New.
2302
2303 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2304             Tobias Grosser  <grosser@fim.uni-passau.de>
2305
2306         * graphite.c (build_scop_conditions_1): Conditions are only
2307         at the end of a basic block.
2308
2309 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2310             Tobias Grosser  <grosser@fim.uni-passau>
2311
2312         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2313         field.
2314         (GBB_ALPHA): Removed.
2315
2316 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2317             Tobias Grosser  <grosser@fim.uni-passau.de>
2318
2319         * graphite-data-ref.c (graphite_test_dependence): Don't use
2320         GBB_DYNAMIC_SCHEDULE.
2321         * graphite.c (new_graphite_bb): Same.
2322         (free_graphite_bb): Same.
2323         (build_scop_dynamic_schedules): Removed.
2324         (graphite_transform_loops): Don't call it.
2325         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2326         (GBB_DYNAMIC_SCHEDULE): Removed.
2327
2328 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2329             Tobias Grosser  <grosser@fim.uni-passau.de>
2330
2331         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2332         (print_graphite_bb): Same.
2333         (build_cloog_prog): Same.
2334
2335 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2336             Tobias Grosser  <grosser@fim.uni-passau.de>
2337
2338         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2339
2340 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2341             Tobias Grosser  <grosser@fim.uni-passau.de>
2342
2343         * graphite.c (build_scop_context): Don't use CloogMatrix.
2344         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2345         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2346
2347 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2348             Tobias Grosser  <grosser@fim.uni-passau.de>
2349
2350         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2351         liveout_renames, add_params fields...
2352         (struct sese): ... here.
2353         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2354         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2355
2356 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2357             Tobias Grosser  <grosser@fim.uni-passau.de>
2358
2359         * graphite.c (print_scop): Do not print the CLooG program.
2360         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2361         build_cloog_prog, gloog): Don't use SCOP_PROG.
2362         (find_transform): Renamed scop_to_clast.
2363         (print_generated_program, debug_generated_program): New.
2364         (graphite_transform_loops): Adapt to new interface.
2365         * graphite.h (struct scop): Remove program field.
2366         (SCOP_PROG): Removed.
2367         (print_generated_program, debug_generated_program): Declared.
2368
2369 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2372         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2373         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2374         free_graphite_bb, build_scop_canonical_schedules,
2375         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2376         schedules are now represented using a ppl_Linear_Expression_t.
2377         * graphite.h (struct graphite_bb): Same.
2378         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2379         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2380
2381 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * graphite.c: Free local memory.
2384         * graphite-ppl.c: Same.
2385
2386 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2387
2388         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2389         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2390         swap_constraint_variables, scale_constraint_variable): Removed.
2391         (graphite_trans_bb_strip_mine): Remove pong.
2392         * graphite-ppl.c: Include missing header files.
2393         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2394         * graphite-ppl.h (ppl_strip_loop): Declared.
2395         * Makefile.in (graphite-ppl.o): Adjust dependences.
2396
2397 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2398
2399         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2400         (build_scop_iteration_domain): Same.
2401
2402 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2405         ping pong.
2406         (add_value_to_dim, scan_tree_for_params_right_scev,
2407         scan_tree_for_params_int): New.
2408         * graphite-ppl.c (oppose_constraint): New.
2409         (insert_constraint_into_matrix): Implement missing cases.
2410         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2411
2412 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2413
2414         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2415         use ppl_move_dimension.
2416
2417 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2420         * graphite.c: Same.
2421         * graphite.h: Same.
2422         * graphite-ppl.c: Same.
2423         * graphite-ppl.h: Same.
2424
2425 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         Revert last 3 commits.
2428
2429 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2430
2431         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2432         ping pong.
2433         (add_value_to_dim, scan_tree_for_params_right_scev,
2434         scan_tree_for_params_int): New.
2435         * graphite-ppl.c (oppose_constraint): New.
2436         (insert_constraint_into_matrix): Implement missing cases.
2437         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2438
2439 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2442
2443 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2444             Tobias Grosser  <grosser@fim.uni-passau.de>
2445
2446         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2447         use ppl_move_dimension.
2448         * graphite-ppl.c (ppl_move_dimension): New.
2449         * graphite-ppl.h (ppl_move_dimension): Declared.
2450
2451 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * graphite.c: Do not include cloog/cloog.h.
2454         (print_graphite_bb): Remove ping pong, call PPL print function.
2455
2456 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2457
2458         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2459         (graphite.o): Add dependence on graphite-ppl.h.
2460         (graphite-ppl.o): New.
2461         (graphite-data-ref.c): Ping pong between PPL data structures
2462         and matrices.
2463         * graphite-ppl.c: New.
2464         * graphite-ppl.h: New.
2465         * graphite.c: Include graphite-ppl.h.
2466         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2467         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2468         Ping pong between PPL data structures and matrices.
2469         (new_graphite_bb): Create a PPL constraint system.
2470         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2471         (build_loop_iteration_domains): Use PPL functions.
2472         * graphite.h: Include graphite-ppl.h.  Fix comments.
2473         (graphite_bb): Use a ppl_Constraint_System_t instead of
2474         CloogMatrix for representing the domain.
2475         (scop): Remove static_schedule.
2476         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2477
2478 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2479
2480         * graphite.c: Fix some comments.
2481
2482 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         PR middle-end/38953
2485         * graphite.c (if_region_set_false_region): After moving a region
2486         in the false branch of a condition, remove the empty dummy
2487         basic block.
2488         (gloog): Remove wrong fix for PR38953.
2489
2490 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2491
2492         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2493         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2494         register_bb_in_sese, new_sese, free_sese): Moved.
2495         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2496         outermost_loop_in_scop, build_scop_iteration_domain,
2497         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2498         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2499         Use loop_in_sese_p instead of loop_in_scop_p.
2500         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2501         (free_scop): Do not free SCOP_BBS_B.
2502         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2503         ref_nb_loops): Moved here...
2504         * graphite.h (ref_nb_loops): ... from here.
2505         (struct scop): Remove bbs_b bitmap.
2506         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2507         * testsuite/gcc.dg/graphite/scop-19.c: New
2508
2509 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2510
2511         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2512         detection.
2513
2514 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2515
2516         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2517         eq_loop_to_cloog_loop): Remove.
2518         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2519         * graphite.h (struct scop): Remove loop2cloog_loop.
2520         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2521
2522 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2523
2524         * opts.c (decode_options): Only add graphite options to O2
2525         if we compile with graphite enabled.
2526
2527 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         * Merge from mainline (r143163:143684).
2530
2531 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * graphite.c (debug_value): Removed.
2534         * graphite.h (debug_value): Removed.
2535
2536 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2537
2538         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2539         after graphite: pass_copy_prop does not maintain a proper loop closed
2540         SSA form.  pass_copy_prop should be fixed.
2541
2542 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2543
2544         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2545
2546 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2549         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2550         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2551         changed the CFG.
2552
2553 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * graphite.c (gloog): Return true when code gen succeeded.
2556         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2557         the code of the function did not changed.  After cleanup_tree_cfg
2558         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2559         form.
2560
2561 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2564         gimple_call_lhs is NULL.
2565
2566 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2567             Tobias Grosser  <tobi.grosser@amd.com>
2568
2569         * graphite.c (graphite_trans_scop_block): Do not block single
2570         nested loops.
2571
2572 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2573             Tobias Grosser  <tobi.grosser@amd.com>
2574
2575         * graphite.c (build_scop_canonical_schedules): Start schedules at
2576         zero.
2577
2578 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2579             Tobias Grosser  <tobi.grosser@amd.com>
2580
2581         * graphite.c (compare_prefix_loops): New.
2582         (build_scop_canonical_schedules): Rewritten.
2583         (graphite_transform_loops): Move build_scop_canonical_schedules
2584         after build_scop_iteration_domain.
2585
2586 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2587             Tobias Grosser  <tobi.grosser@amd.com>
2588
2589         * graphite.c (add_conditions_to_domain): Add the loops to
2590         the dimension of the iteration domain.  Do copy the domain
2591         only when it exists.
2592         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2593         (add_conditions_to_constraints): New.
2594         (can_generate_code_stmt, can_generate_code): Removed.
2595         (gloog): Do not call can_generate_code.
2596         (graphite_transform_loops): Call add_conditions_to_constraints
2597         after building the iteration domain.
2598
2599 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2600             Tobias Grosser  <tobi.grosser@amd.com>
2601             Jan Sjodin  <jan.sjodin@amd.com>
2602
2603         * graphite.c (scan_tree_for_params): On substractions negate
2604         all the coefficients of the term.
2605         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2606         of more than two operands.
2607         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2608         (get_vdef_before_scop): Handle also the case of default definitions.
2609
2610 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         PR middle-end/38431
2613         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2614         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2615         (gloog): Do not call cleanup_tree_cfg.
2616         (graphite_transform_loops): Call cleanup_tree_cfg after all
2617         scops have been code generated.
2618
2619 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * passes.c (init_optimization_passes): Schedule after
2622         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2623
2624 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2625
2626         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2627         Fix comment.
2628         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2629         Set the type of an expression to the type of its assign statement.
2630         (expand_scalar_variables_expr):  Do not pass loop_p.
2631         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2632         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2633         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2634
2635 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2638         an expression to the gimple_expr_type of its assign statement.
2639         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2640         or tcc_declaration.
2641
2642 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         PR tree-optimization/38786
2645         * testsuite/gcc.dg/graphite/pr38786.c: New.
2646         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2647         the SSA_NAME case of expand_scalar_variables_expr.
2648         (expand_scalar_variables_expr): Also gather the scalar computation
2649         used to index the memory access.
2650         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2651         the gimple_stmt_iterator where it inserts new code.
2652
2653 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2656
2657 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2658
2659         * opts.c (decode_options): Enable flag_graphite_identity and
2660         flag_loop_block in -O2 and above.
2661
2662 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2663
2664         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2665         Fix merge problem: replace with the file from trunk.
2666
2667 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2668
2669         * Merge from mainline (r141727:143163).
2670
2671 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2672             Jan Sjodin  <jan.sjodin@amd.com>
2673
2674         PR tree-optimization/38559
2675         * testsuite/gcc.dg/graphite/pr38559.c: New.
2676
2677         * graphite.c (debug_value, copy_constraint,
2678         swap_constraint_variables, scale_constraint_variable, ): New.
2679         (get_lower_bound, get_upper_bound): Removed.
2680         (graphite_trans_bb_strip_mine): Clean up this code that works
2681         only for constant number of iterations.  Fully copy upper and
2682         lower bound constraints, not only the constant part of them.
2683         * graphite.h (debug_value): Declared.
2684
2685 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2686
2687         PR tree-optimization/38492
2688         PR tree-optimization/38498
2689         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2690         * tree-chrec.h (scev_is_linear_expression): Declared.
2691         * graphite.c (graphite_cannot_represent_loop_niter): New.
2692         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2693         (graphite_loop_normal_form): Use gcc_assert.
2694         (scan_tree_for_params): Use CASE_CONVERT.
2695         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2696         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2697         Use gcc_assert.  Discard scops that contain unhandled cases.
2698         (build_scop_conditions): Return a boolean status for unhandled cases.
2699         (strip_mine_profitable_p): Print the loop number, not its depth.
2700         (is_interchange_valid): Pass the depth of the loop nest, don't
2701         recompute it wrongly.
2702         (graphite_trans_bb_block): Same.
2703         (graphite_trans_bb_block): Print tentative of loop blocking.
2704         (graphite_trans_scop_block): Do not print that the loop has been
2705         blocked.
2706         (graphite_transform_loops): Do not handle scops that contain condition
2707         scalar phi nodes.
2708
2709         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2710         in trunk.
2711         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2712         * testsuite/gcc.dg/graphite/block-1.c: Same.
2713         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2714         blocking.
2715         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2716         * testsuite/gcc.dg/graphite/block-3.c: New.
2717         * testsuite/gcc.dg/graphite/pr38498.c: New.
2718
2719 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2720
2721         PR tree-optimization/38510
2722         * gcc.dg/graphite/pr38510.c: New.
2723         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2724           (translate_clast): Call recompute_all_dominators before
2725           graphite_verify.
2726           (gloog): Call recompute_all_dominators before graphite_verify.
2727
2728 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         PR tree-optimization/38492
2731         * graphite.c (rename_map_elt, debug_rename_elt,
2732         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2733         rename_map_elt_info, eq_rename_map_elts,
2734         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2735         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2736         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2737         (sese_build_livein_liveouts): New.
2738         (new_sese, free_sese): New.
2739         (new_scop): Call new_sese.
2740         (free_scop): Call free_sese.
2741         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2742         (register_old_new_names): Renamed register_old_and_new_names.
2743         (register_scop_liveout_renames, add_loop_exit_phis,
2744         insert_loop_close_phis, struct igp,
2745         default_liveout_before_guard, add_guard_exit_phis,
2746         insert_guard_phis, copy_renames): New.
2747         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2748         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2749         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2750         (scop_adjust_phis_for_liveouts): New.
2751         (gloog): Call scop_adjust_phis_for_liveouts.
2752
2753         * graphite.h (struct sese): Documented.  Added fields liveout,
2754         num_ver and livein.
2755         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2756         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2757         (struct scop): Added field liveout_renames.
2758         (SCOP_LIVEOUT_RENAMES): New.
2759
2760 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2761
2762         PR tree-optimization/38409
2763         * gcc.dg/graphite/pr38409.c: New.
2764         * graphite.c (nb_reductions_in_loop): Use simple_iv.
2765
2766 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2767
2768         * graphite.c (gcc_type_for_cloog_iv): By default return
2769         integer_type_node.
2770         (graphite_create_new_loop): Don't fold_convert the already
2771         fold_convert-ed expression.
2772
2773 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
2774
2775         PR tree-optimization/38446
2776         * gcc.dg/graphite/pr38446.c: New.
2777         * graphite.c (register_bb_in_sese): New.
2778         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
2779         looking at the bbs in the region.
2780         * graphite.h (sese): Add region_basic_blocks pointer set to
2781         structure and initialize at the time of defining new scop.
2782
2783 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2784
2785         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
2786         (find_params_in_bb): Do not free data refs.
2787         (free_graphite_bb): Add FIXME on disabled free_data_refs.
2788
2789 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
2792         * testsuite/gcc.dg/graphite/scop-17.c: Same.
2793         * testsuite/gcc.dg/graphite/block-5.c: New.
2794         * testsuite/gcc.dg/graphite/block-6.c: New.
2795         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
2796         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2797         * testsuite/gcc.dg/graphite/block-2.c: Same.
2798
2799         * graphite.c (struct ivtype_map_elt): New.
2800         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
2801         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
2802         gcc_type_for_cloog_iv): New.
2803         (loop_iv_stack_patch_for_consts): Use the type of the induction
2804         variable from the original loop, except for the automatically
2805         generated loops, i.e., in the case of a strip-mined loop, in
2806         which case there is no original loop: in that case just use
2807         integer_type_node.
2808         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
2809         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
2810         (clast_name_to_gcc): Accept params to be NULL.
2811         (clast_to_gcc_expression): Take an extra parameter for the type.
2812         Convert to that type all the expressions built by this function.
2813         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
2814         (graphite_translate_clast_equation): Compute the type of the
2815         clast_equation before translating its LHS and RHS.
2816         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
2817         (graphite_create_new_loop): Compute the type of the induction
2818         variable before translating the lower and upper bounds and before
2819         creating the induction variable.
2820         (rename_variables_from_edge, rename_phis_end_scop): New.
2821         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
2822         (sese_add_exit_phis_edge): Do not use integer_zero_node.
2823         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2824         compute_cloog_iv_types): New.
2825         (gloog): Call compute_cloog_iv_types before starting the
2826         translation of the clast.
2827
2828         * graphite.h (struct graphite_bb): New field cloog_iv_types.
2829         (GBB_CLOOG_IV_TYPES): New.
2830         (debug_ivtype_map): Declared.
2831         (oldiv_for_loop): New.
2832
2833 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2834
2835         PR middle-end/38459
2836         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
2837         (param_index): Assert if parameter is not know after parameter
2838         detection.
2839         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
2840         (find_scop_parameters): Mark, that we have finished parameter
2841         detection.
2842         (graphite_transform_loops): Move condition detection before parameter
2843         detection.
2844         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
2845         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
2846
2847 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2848
2849         * graphite.c (graphite_transform_loops): Always call find_transform ()
2850         in ENABLE_CHECKING.  So we test these code paths, even if we do not
2851         generate code.
2852
2853 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2854
2855         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
2856         (print_scop): Ditto.
2857
2858 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2859
2860         PR middle-end/38084
2861         Fix testsuite/gfortran.dg/graphite/id-3.f90.
2862         * graphite.c (scopdet_basic_block_info): Fix bug that found some
2863         regions more than once.
2864
2865 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         Fix testsuite/gfortran.dg/graphite/id-4.f90.
2868         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
2869         when not needed.
2870
2871 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         Fix testsuite/gfortran.dg/graphite/id-1.f90.
2874         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
2875         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
2876         (max_precision_type): New.
2877         (value_clast): Removed.
2878         (clast_to_gcc_expression): Be more careful to types of expressions.
2879         Use max_precision_type and update use of gmp_cst_to_tree.
2880         (graphite_translate_clast_equation): Use max_precision_type.
2881         (graphite_create_guard_cond_expr): Do not use integer_type_node,
2882         use the type of the condition.
2883         (graphite_create_new_loop): Do not use integer_type_node, use the
2884         max_precision_type of lb and ub.
2885
2886 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
2887
2888         * graphite.c (build_scops_1): Initialize open_scop.exit
2889         and sinfo.last.
2890
2891 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
2892
2893         * testsuite/gcc.dg/graphite/pr38084.c: New.
2894         * testsuite/gfortran.dg/graphite/id-1.f90: New.
2895         * testsuite/gfortran.dg/graphite/id-2.f90: New.
2896         * testsuite/gfortran.dg/graphite/id-3.f90: New.
2897         * testsuite/gfortran.dg/graphite/id-4.f90: New.
2898         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
2899
2900 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
2901             Jan Sjodin  <jan.sjodin@amd.com>
2902             Harsha Jagasia  <harsha.jagasia@amd.com>
2903
2904         PR middle-end/37852
2905         PR middle-end/37883
2906         PR middle-end/37928
2907         PR middle-end/37980
2908         PR middle-end/38038
2909         PR middle-end/38039
2910         PR middle-end/38073
2911         PR middle-end/38083
2912         PR middle-end/38125
2913
2914         * testsuite/gcc.dg/graphite/pr38073.c: New.
2915         * testsuite/gcc.dg/graphite/pr37928.c: New.
2916         * testsuite/gcc.dg/graphite/pr37883.c: New.
2917         * testsuite/gcc.dg/graphite/pr38125.c: New.
2918         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
2919         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
2920         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
2921
2922         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
2923         the number of detected scops.  Copy exact same test for loop
2924         blocking...
2925         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
2926         loops to be blocked as reductions are not handled.
2927         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
2928
2929         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
2930         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
2931         ...here.
2932         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
2933         * Makefile.in (graphite.o): Depend on value-prof.h.
2934         (graphite.o-warn): Removed -Wno-error.
2935         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
2936         to be a NULL pointer.  Call update_stmt.  Return the newly created
2937         cannonical induction variable.
2938
2939         * graphite.h (debug_rename_map): Declared.  Fix some comments.
2940
2941         * graphite.c: Reimplement the code generation from graphite to gimple.
2942         Include value-prof.h.
2943         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
2944         (get_old_iv_from_ssa_name): Removed.
2945         (graphite_stmt_p): New.
2946         (new_graphite_bb): Test for useful statements before building a
2947         graphite statement for the basic block.
2948         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
2949         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
2950         reason.
2951         (recompute_all_dominators, graphite_verify,
2952         nb_reductions_in_loop, graphite_loop_normal_form): New.
2953         (scop_record_loop): Call graphite_loop_normal_form.
2954         (build_scop_loop_nests): Iterate over all the blocks of the
2955         function instead of relying on the incomplete information from
2956         SCOP_BBS.  Return the success of the operation.
2957         (find_params_in_bb): Use the data from GBB_DATA_REFS.
2958         (add_bb_domains): Removed.
2959         (build_loop_iteration_domains): Don't call add_bb_domains.
2960         Add the iteration domain only to the basic blocks that have been
2961         translated to graphite.
2962         (build_scop_conditions_1): Add constraints only if the basic
2963         block have been translated to graphite.
2964         (build_scop_data_accesses): Completely disabled until data
2965         dependence is correctly implemented.
2966         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
2967         (remove_all_edges_1, remove_all_edges): Removed.
2968         (get_new_name_from_old_name): New.
2969         (graphite_rename_variables_in_stmt): Renamed
2970         rename_variables_in_stmt.  Call get_new_name_from_old_name.
2971         Use replace_exp and update_stmt.
2972         (is_old_iv): Renamed is_iv.
2973         (expand_scalar_variables_stmt): Extra parameter for renaming map.
2974         Use replace_exp and update_stmt.
2975         (expand_scalar_variables_expr): Same.  Use the map to get the
2976         new names for the renaming of induction variables and for the
2977         renaming of variables after a basic block has been copied.
2978         (expand_scalar_variables): Same.
2979         (graphite_rename_variables): Renamed rename_variables.
2980         (move_phi_nodes): Removed.
2981         (get_false_edge_from_guard_bb): New.
2982         (build_iv_mapping): Do not insert the induction variable of a
2983         loop in the renaming iv map if the basic block does not belong
2984         to that loop.
2985         (register_old_new_names, graphite_copy_stmts_from_block,
2986         copy_bb_and_scalar_dependences): New.
2987         (translate_clast): Heavily reimplemented: copy basic blocks,
2988         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
2989         At each translation step call graphite_verify ensuring the
2990         consistency of the SSA, loops and dominators information.
2991         (collect_virtual_phis, find_vdef_for_var_in_bb,
2992         find_vdef_for_var_1, find_vdef_for_var,
2993         patch_phis_for_virtual_defs): Removed huge hack.
2994         (mark_old_loops, remove_dead_loops, skip_phi_defs,
2995         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
2996         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
2997         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
2998         if_region_get_condition_block, if_region_set_false_region,
2999         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3000         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3001         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3002         rewrite_into_sese_closed_ssa): New.
3003         (gloog): Remove dead code.  Early return if code cannot be
3004         generated.  Call cleanup_tree_cfg once the scop has been code
3005         generated.
3006         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3007         block loops with less than two loops.
3008         (graphite_apply_transformations): Remove the call to
3009         scop_remove_ignoreable_gbbs.
3010         (limit_scops): When build_scop_loop_nests fails, continue on
3011         the next scop.  Fix open_scop.entry.
3012         (graphite_transform_loops): Call recompute_all_dominators: force the
3013         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3014         Call initialize_original_copy_tables and free_original_copy_tables
3015         to be able to copy basic blocks during code generation.
3016         When build_scop_loop_nests fails, continue on next scop.
3017         (value_clast): New union.
3018         (clast_to_gcc_expression): Fix type cast warning.
3019
3020 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * Merge from mainline (r140838:141727).
3023
3024 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3025
3026         PR middle-end/37833
3027
3028         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3029
3030 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3031
3032         PR middle-end/37943
3033
3034         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3035         exits and conditions.
3036         * testsuite/gcc.dg/graphite/pr37943.c: New.
3037
3038 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3039
3040         PR middle-end/37886
3041         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3042
3043 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3044
3045         * doc/invoke.texi: Fix spaces.
3046
3047 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3048
3049         PR tree-optimization/37891
3050         Reverted last commit.
3051         * graphite.c (create_single_entry_edge): Set
3052         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3053
3054 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3055             Mitul Thakkar  <mitul.thakkar@amd.com>
3056
3057         * graphite.c (create_single_entry_edge): Set
3058         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3059
3060 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3061
3062         * doc/invoke.texi: Add -fgraphite-identity.
3063         * graphite.c (graphite_apply_transformations): Check for
3064         -fgraphite-identity.
3065         * toplev.c (process_options): Add flag_graphite_identity.
3066         * tree-ssa-loop.c: Add flag_graphite_identity.
3067
3068 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         Undo changes from 2008-10-02:
3071         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3072         operand type when copying the operand to a variable of different type.
3073         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3074         with the IV name after increment.
3075
3076 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3077             Harsha Jagasia  <harsha.jagasia@amd.com>
3078
3079         PR tree-optimization/37828
3080         * testsuite/gcc.dg/graphite/pr37828.c: New.
3081         * graphite.c (graphite_trans_loop_block): Do not loop block
3082         single nested loops.
3083
3084 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3085             Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3088         rename_map_elt_info, eq_rename_map_elts): New.
3089         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3090         (expand_scalar_variables_expr): Change parameters.
3091         (expand_scalar_variables_stmt): Same.
3092         (expand_scalar_variables): Same.
3093         (graphite_rename_ivs): Rename graphite_rename_variables.
3094         (build_iv_mapping): New.
3095         (translate_clast): Call build_iv_mapping.
3096         * graphite.h (gbb_p): New name.
3097
3098 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3099
3100         PR tree-optimization/37684
3101         * gcc.dg/graphite/pr37684.c: New.
3102         * graphite.c (exclude_component_ref): New.
3103         (is_simple_operand): Call exclude_component_ref.
3104
3105 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3106             Harsha Jagasia  <harsha.jagasia@amd.com>
3107
3108         PR tree-optimization/37485
3109         * gcc.dg/graphite/block-2.c: New
3110         * graphite.c (gmp_cst_to_tree): Moved.
3111         (iv_stack_entry_is_constant): New.
3112         (iv_stack_entry_is_iv): New.
3113         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3114         (loop_iv_stack_insert_constant): New.
3115         (loop_iv_stack_pop): Use new datatpype.
3116         (loop_iv_stack_get_iv): Same.
3117         (loop_iv_stack_get_iv_from_name): Same.
3118         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3119         (loop_iv_stack_patch_for_consts): New.
3120         (loop_iv_stack_remove_constants): New.
3121         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3122         (translate_clast): Call loop_iv_stack_patch_for_consts and
3123         loop_iv_stack_remove_constants.
3124         (gloog): Use new datatype.  Redirect construction edge to end
3125         block to avoid accidental deletion.
3126         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3127         iv stack entry.
3128         (union iv_stack_entry_data): New.  Data in iv stack entry.
3129         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3130
3131 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3132
3133         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3134         operand type when copying the operand to a variable of different type.
3135
3136 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3137
3138         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3139         with the IV name after increment.
3140
3141 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * Merge from mainline (r140164:140838).
3144
3145 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3146
3147         * graphite-data-ref.c: New.
3148         * graphite.c (print_scop): Also dump the dependence graph.
3149         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3150         (new_scop): Initialize SCOP_DEP_GRAPH.
3151         (build_scop_dynamic_schedules): New.
3152         (build_access_matrix_with_af): Fixed column numbering.
3153         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3154         * graphite.h: Add ifndef/define guards against multiple inclusion.
3155         (struct scop): Add dep_graph field.
3156         (SCOP_DEP_GRAPH): Defined.
3157         (ref_nb_loops): Fixed and moved to other position.
3158         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3159         (nb_loops_around_loop_in_scop): New.
3160         (graphite_dump_dependence_graph): Declared.
3161         (graphite_build_rdg_all_levels): Declared.
3162         (graphite_test_dependence): Declared.
3163         * Makefile.in (graphite-data-ref.o): New target.
3164
3165 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3166
3167         * Merge from mainline (139870:140164).
3168
3169 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         * Merge from mainline (138275:139870).
3172         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3173         the commits from trunk broke the niter detection.
3174
3175 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         * graphite.c: Add more documentation.  Fix formatting.
3178         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3179         loop_iv_stack_debug): Moved...
3180         (schedule_to_scattering): Move before use.
3181         (dot_all_scops): Include in "#if 0" the code for system
3182         call dotty.
3183
3184         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3185         loop_iv_stack_debug): ...here.
3186
3187 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3188
3189         * tree-phinodes.c (make_phi_node): Extern.
3190         (add_phi_node_to_bb): New.
3191         (create_phi_node): Call add_phi_node_to_bb.
3192         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3193         (remove_statement): Handle case where stored phi was updated
3194         and is no longer the same.
3195         * graphite.c (is_parameter): New.
3196         (is_old_iv): New.
3197         (expand_scalar_variables_expr): New.
3198         (expand_scalar_variables_stmt): New.
3199         (expand_scalar_variables): New.
3200         (move_phi_nodes): Create new phi instead of moving old one.
3201         (translate_clast): Call expand_scalar_variables.
3202         (find_vdef_for_var_in_bb): Also scan regular definitions.
3203         (skip_phi_defs): New.
3204         (collect_scop_exit_phi_args): New.
3205         (patch_scop_exit_phi_args): New.
3206         (gloog): Patch phis after scop.
3207         * tree-flow.h: (add_phi_node_to_bb): Declared.
3208         (make_phi_node): Declared.
3209
3210 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * graphite.c (end_scop): Split the entry of the scop when it
3213         is the header of the loop in which the scop is ending.
3214         (build_scops_1, limit_scops): Update uses of end_scop.
3215
3216 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3219         SCOP_ENTRY or SCOP_EXIT.
3220
3221 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3222
3223         * graphite.c (get_construction_edge): Removed.
3224         (gloog): Construction edge is the scop entry edge.
3225
3226 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite.c (can_generate_for_scop): Removed.
3229         (gloog): Do not call it.
3230
3231 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * graphite.c (new_scop): Entry of a scop is an edge.
3234         Initialize SESE region.
3235         (free_scop): Free SESE region.
3236         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3237         (split_difficult_bb): New, split from end_scop.
3238         (end_scop): Exit of a scop is an edge.
3239         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3240         not automatically updated and thus is always wrong.
3241         * graphite.h (struct sese): New.
3242         (SESE_ENTRY): New.
3243         (SESE_EXIT): New.
3244         (struct scop): New field for a SESE region.  Remove entry, exit.
3245         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3246         semantics as before.  Moved comment around.
3247
3248 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3249             Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * graphite.c (graphite_transform_loops): Always enable gloog
3252         and find_transform when ENABLE_CHECKING.
3253
3254 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * graphite.c (graphite_transform_loops): Move pretty printer
3257         of SCOPs before doing any transform.  Remove call to print_scops
3258         and dot_all_scops_1.
3259
3260 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3263         (print_graphite_bb): Same.
3264
3265 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * graphite.c (dot_all_scops_1): Cleanup.
3268         (move_scops): Fix comment.
3269
3270 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite.c (build_scop_bbs): Revert commit 139355:
3273
3274         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3275                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3276
3277                 * graphite.c (build_scop_bbs): Factor up code.
3278
3279 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3280
3281         * graphite.c (gloog): Update dominator info.
3282
3283 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3284
3285         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3286
3287 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3290         initialization.
3291         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3292         (translate_clast): Correct formatting.
3293         * graphite.h (struct num_map): Removed.
3294         (struct graphite_bb): Remove num_map field.
3295         (GBB_INDEX_TO_NUM_MAP): Removed.
3296
3297 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite.c (build_access_matrix_with_af): Fix comments.
3300         (build_scop_data_accesses): Same.
3301
3302 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * graphite.c (build_scop_data_accesses): Don't construct
3305         access matrices.  Add a FIXME and an assert condition that
3306         should pass when the access matrices will be needed.
3307
3308 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3309
3310         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3311         really_constant_p.
3312         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3313         Moved close by free_graphite_bb.
3314         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3315         (new_scop): Move close by free_scop.
3316         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3317
3318 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3319
3320         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3321         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3322         instead of recursive call.
3323         (graphite_translate_clast_equation): New.
3324         (graphite_create_guard_cond_expr): New.
3325         (graphite_create_new_guard): New.
3326         (get_stack_index_from_iv): Removed.
3327         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3328         (get_true_edge_from_guard_bb): New.
3329         (translate_clast): Handle stmt_guard in clast.
3330         (get_construction_edge): Allow construction edge detection for
3331         a scope entry with multiple predecessors if one predecessor is
3332         the immediate dominator of scope entry.
3333         (can_generate_code_stmt): Enable code generation for clast_guard.
3334         (gloog): Use correct context loop.  Removed check for post dominators.
3335         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3336
3337 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * graphite.c (remove_dead_loops): Document better which
3340         loops are removed.
3341
3342 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3343
3344         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3345         and PPLINC.
3346         (graphite.o): Also depends on pointer-set.h.
3347
3348 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3349
3350         * graphite.c (scop_record_loop): Fix compile warning.
3351
3352 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3353             Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3356
3357 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * graphite.c (build_graphite_bb): Initialize bb->aux to
3360         point to the graphite_bb_p.
3361         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3362         content of bb->aux.
3363         (add_bb_domains): Does not use the scop parameter.
3364         (graphite_transform_loops): Clean bb->aux at the end.
3365
3366 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3367             Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         * testsuite/lib/target-supports.exp
3370         (check_effective_target_fgraphite): New.
3371
3372         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3373         check_effective_target_fgraphite returns false.
3374         Set dg-do-what-default to compile.
3375         (scan-graphite-dump-times): Removed.
3376         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3377
3378         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3379         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3380         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3381         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3382         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3383         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3384         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3385         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3386         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3387         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3388         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3389         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3390         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3391         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3392         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3393         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3394         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3395         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3396         * testsuite/gcc.dg/graphite/block-0.c: Same.
3397         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3398         * testsuite/gcc.dg/graphite/block-1.c: Same.
3399         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3400         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3401         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3402         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3403         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3404
3405 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite.c: Fix some XXX comments.
3408         (build_scop_dynamic_schedules): Removed.
3409
3410 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * graphite.h (scop_max_loop_depth): Moved...
3413         * graphite.c (scop_max_loop_depth): ...here.
3414         (remove_all_edges_1): New.
3415         (remove_all_edges): Factored code.
3416         (remove_cond_exprs): Check only the last statement for
3417         a GIMPLE_COND expression.
3418
3419 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3420
3421         * graphite.c (scan_tree_for_params): Early return when the
3422         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3423         (find_scop_parameters): Factor out code.
3424         (graphite_trans_bb_strip_mine): Remove dead code.
3425
3426 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3427
3428         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3429         graphite_trans_bb_move_loop): Factor asserts.
3430         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3431         Do not call calculate_dominance_info and estimate_bb_frequencies.
3432
3433 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3434
3435         * graphite.c (create_loops_mapping, free_loops_mapping,
3436         create_loops_mapping_num, debug_loop_mapping_1,
3437         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3438         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3439         graphite_loops_mapping_add_child_num,
3440         graphite_loops_mapping_insert_child,
3441         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3442         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3443         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3444         create_num_from_index, get_num_from_index,
3445         swap_loop_mapped_depth): Removed.
3446         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3447         (free_scop): Do not call free_loops_mapping.
3448         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3449         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3450         get_loop_mapped_depth.
3451         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3452         (graphite_trans_bb_strip_mine): Same.
3453         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3454         (struct scop): Remove field loops_mapping.
3455
3456 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3457             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3458
3459         * graphite.c (scop_record_loop): Factor out one level of the
3460         condition by early return.
3461         (build_scop_loop_nests): Format following FSF coding style.
3462         (build_scop_dynamic_schedules): Factor out code.
3463         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3464
3465 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3466             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3467
3468         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3469         assignments that are not handled as simple operands for now.
3470
3471 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3472             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3473
3474         * graphite.c (build_scop_bbs): Factor up code.
3475
3476 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3477             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3478
3479         * graphite.c (stmt_simple_for_scop_p): Factor code out
3480         of the loop.
3481         (enum gbb_type): New.  Group all the GBB_* types under it.
3482         (is_loop_exit): Moved...
3483         (end_scop): Enable BB spliting.
3484         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3485         * cfgloop.h (is_loop_exit): Declared.
3486
3487 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         * doc/invoke.texi: Remove strides from examples containing
3490         DO loops when the strides are equal to 1.
3491
3492 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3493             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3494
3495         * graphite.c (graphite_trans_scop_block): Or the result with
3496         the result from graphite_trans_loop_block.
3497         * testsuite/gcc.dg/graphite/block-1.c: New.
3498         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3499         * testsuite/gfortran.dg/graphite/block-2.f: New.
3500
3501 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite.c (graphite_transform_loops): Call cloog_initialize
3504         and cloog_finalize.
3505
3506 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3507
3508         * tree-data-ref.c) (stmt_simple_memref_p): New.
3509         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3510         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3511         (is_simple_operand): Call stmt_simple_memref_p.
3512
3513         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3514         using pointer arithmetic, as this is optimized by PRE and
3515         makes the code too difficult to analyze.
3516
3517         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3518
3519 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         * gdbinit.in (pgg): New.
3522
3523 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3524
3525         * graphite.c (graphite_trans_loop_block): Fix warning.
3526
3527 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3528
3529         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3530
3531 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3532
3533         * graphite.c (graphite_trans_bb_block): Remove check for
3534         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3535         Check if loop blocking is profitable for every loop, before applying
3536         the changes.
3537         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3538         if flag_loop_block is set.
3539
3540 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * graphite.c: Add some more documentation for the loop
3543         mapping.
3544
3545 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3548         * graphite.c: Format on less than 80 columns.
3549         * graphite.h: Same.
3550
3551 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3552
3553         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3554
3555 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3556
3557         * doc/invoke.texi (floop-block, floop-strip-mine,
3558         floop-interchange): Update documentation with examples.
3559
3560 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3561
3562         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3563         add_referenced_var.
3564         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3565
3566 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3567
3568         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3569         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3570         * tree-scalar-evolution.c: Revert useless changes.
3571         * tree-phinodes.c: Same.
3572         * cfghooks.c: Same.
3573         * vec.h: Same.
3574         * tree-vectorizer.h: Same.
3575         * tree-flow.h: Same.
3576         * tree-cfg.c: Same.
3577         * common.opt (fgraphite): Update documentation.
3578
3579 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3580
3581         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3582         -floop-interchange): Add more text for explaining what each of these
3583         flags is doing.
3584         * tree-into-ssa.c (gimple_vec): Moved to...
3585         * graphite.c: Include gimple.h.
3586         (gimple_vec): Moved to...
3587         (del_loop_to_cloog_loop): Removed.
3588         (loop_affine_expr): Do not call create_data_ref when the
3589         operand is a constant.
3590         (new_scop): Use free instead of del_loop_to_cloog_loop.
3591         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3592         * gimple.h (gimple_vec): ... here.
3593
3594 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3595
3596         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3597         latch executions.
3598         (build_loop_iteration_domains): Fail, if latch executions unknown.
3599
3600 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3601
3602         * graphite.c (add_conditions_to_domain): New.
3603         (build_scop_conditions_1): Call add_conditions_to_domain.
3604         (set_cloog_options): Allow to disable optimizations.
3605
3606 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3607
3608         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3609         Do not use walk_dominator_tree.
3610         (find_scop_parameters): Do not use walk_dominator_tree.
3611
3612 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3613
3614         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3615         (idx_record_params): Adapt.
3616         * graphite.h (scop_gimple_loop_depth): New.
3617
3618 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3619
3620         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3621         (scan_tree_for_params): Remove value_init.
3622         (build_scop_context): Remove value_init.
3623         (build_loop_iteration_domains): Remove value_init.
3624         (schedule_to_scattering): Remove value_init.
3625         (graphite_trans_bb_strip_mine): Remove value_init.
3626
3627 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3628
3629         * gcc/graphite.c (limit_scops): New.
3630         (graphite_transform_loops): Add limit SCoPs.
3631         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
3632         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
3633         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
3634         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
3635         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
3636         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
3637         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
3638         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
3639         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
3640         Change loop numbers.
3641         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
3642         Change loop numbers.
3643         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
3644         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
3645         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
3646         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
3647         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
3648         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
3649         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
3650         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
3651         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
3652         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
3653
3654 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3655
3656         * graphite.c (graphite_transform_loops): Call always find_transform.
3657
3658 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3659
3660         * graphite.c (free_loops_mapping): New.
3661         (stmt_simple_for_scop_p): Fix typo.
3662         (stmt_simple_for_scop_p): Fix tuples functions, that
3663         broke polyhedron.
3664         (free_graphite_bb): Fix some memleaks.
3665         (free_scop): Fix some memleaks.
3666         (scopdet_bb_info): Do not forget some tmp SCoPs.
3667         (find_params_in_bb): Fix some memleaks.
3668         (clast_to_gcc_expression): Fix warning.
3669
3670 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3671
3672         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
3673         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
3674
3675 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
3678         Move code ifdef-ed HAVE_cloog...
3679         * graphite.c: Include toplev.h.
3680         ... here.
3681         * Makefile.in (OBJS-common): Always build graphite.o.
3682         (BACKEND): Remove @GRAPHITE@.
3683         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
3684         (graphite.o): Depend on TOPLEV_H.
3685
3686 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
3689         Remove typo left from polylib to ppl conversion.
3690         * graphite.c (graphite_transforms): Use sorry instead of fatal.
3691
3692 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3693
3694         * toplev.c (process_options): Move the graphite loop optimization
3695         flags...
3696         * tree-ssa-loop.c (graphite_transforms): ... here.
3697         When not configured with CLooG, print to dump_file that
3698         Graphite transforms were not performed.
3699         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
3700         New.
3701         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
3702         scan-graphite-dump-times.
3703
3704 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * graphite.c (dot_scop, dot_all_scops): Do not call system.
3707         Do not open /tmp/scop.dot and /tmp/allscops.dot.
3708
3709 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
3710             Jan Sjodin  <jan.sjodin@amd.com>
3711
3712         * configure: Regenerated.
3713         * omp-low.c (expand_omp_sections): Remove now unused code.
3714         * config.in (HAVE_polylib): Removed.
3715         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
3716         (PPLLIBS, PPLINC): Added.
3717         * graphite.c: Replace unsigned with int wherever possible.
3718         Don't access Cloog's data structures, but use accessor functions.
3719         Clast's stmt->type is now implemented as a vtable: change the
3720         switches of stmt->type into ifs.
3721         (polylib/polylibgmp.h): Don't include.
3722         (initialize_dependence_polyhedron,
3723         initialize_data_dependence_polyhedron, is_empty_polyhedron,
3724         statement_precedes_p, test_dependence, build_rdg_all_levels,
3725         dump_dependence_graph): Removed until this code is cleaned up
3726         or ported to Cloog.
3727         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
3728         (POLYLIBINC): Renamed PPLINC.
3729
3730 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
3731             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3732             Jan Sjodin  <jan.sjodin@amd.com>
3733
3734         Finish the merge and tuplification of graphite.
3735
3736 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3737             Jan Sjodin  <jan.sjodin@amd.com>
3738
3739         Partial merge from mainline (138072:138275).
3740         * graphite.c still has to be tuplified.
3741
3742 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
3743
3744         * graphite.c (graphite_loops_mapping_max_loop_num): New.
3745         (create_num_from_index): New.
3746         (get_num_from_index): Also pass in the graphite BB.
3747         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
3748         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
3749         (graphite_trans_bb_strip_mine): Call create_num_from_index.
3750         (is_interchange_valid): Return false when failing.
3751         * graphite.h (struct num_map): New.
3752         (struct graphite_bb): New field num_map.
3753         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
3754
3755 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3756
3757         * graphite.c (dump_gbb_conditions): Print also conditions like
3758         "if (a)".  Remove dublicated code and use print_generic_expr ().
3759         (stmt_simple_for_scop_p): Only allow conditions we can handle
3760         {<, <=, >, >=}.
3761
3762 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3763
3764         * graphite.h (struct scop): Removed new_ivs field.
3765         (SCOP_NEWIVS): Deleted.
3766         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
3767         clast_to_gcc_expression, graphite_create_new_loop):
3768         Removed use of new_ivs.
3769
3770 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3771
3772         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
3773         create_loops_mapping_num, debug_loop_mapping_1): New.
3774         (debug_loop_mapping): Call debug_loop_mapping_1.
3775         (get_loop_mapping_for_num,
3776         graphite_loops_mapping_add_child,
3777         graphite_loops_mapping_add_child_num,
3778         graphite_loops_mapping_insert_child,
3779         graphite_loops_mapping_parent,
3780         split_loop_mapped_depth_for_num,
3781         loop_mapped_depth_split_loop): New.
3782         (increment_loop_mapped_depths): Removed.
3783         (swap_loop_mapped_depth_for_num): Reimplemented.
3784         (new_scop): Call create_loops_mapping.
3785         (scop_record_loop): Call graphite_loops_mapping_insert_child.
3786         (translate_clast): Pass the old loop father in parameter, and pass
3787         it to get_old_iv_from_ssa_name.
3788         (remove_edges_around_useless_blocks, can_generate_code_stmt,
3789         can_generate_code, can_generate_for_scop): New.
3790         (graphite_trans_bb_block): Returns false when it fails to transform.
3791         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
3792
3793 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3794
3795         Reverted all the changes related to the streamization and
3796         loop fusion.
3797         These changes are now tracked in the streamization branch.
3798
3799 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3800             Jan Sjodin  <jan.sjodin@amd.com>
3801
3802         * graphite.c (gbb_compare): Correctly constify.
3803         (gbb_can_be_ignored): Indent.
3804         (graphite_trans_scop_swap_1and2): Add legality check.
3805         Remove dead FIXMEs.
3806
3807 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3808
3809         Remove fallouts from "Reverted the Condate changes".
3810         * tree.h: Remove unused decl.
3811         * testsuite/gcc.dg/tree-checker: Same.
3812         * timevar.def: Remove counter.
3813
3814 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * Merge from mainline (135673:138072).
3817
3818         Reverted the MIRO changes (from 2008-04-05) that are now
3819         tracked in the miro branch.
3820         * tree-bounds.c: Removed.
3821         * tree-bounds.h: Removed.
3822
3823         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
3824         are now tracked in the condate branch.
3825         * tree-check.c: Removed.
3826         * tree-match.c: Removed.
3827         * condate.y: Removed.
3828
3829 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3830
3831         * common.opt: New user flag -floop-block, -floop-strip-mine
3832         and -floop-interchange.
3833         * toplev.c (process_options): Enable -fgraphite pass if any one of the
3834         graphite loop optimization flags is turned on.
3835         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
3836         flag_loop_strip_mine and flag_loop_interchange checks before
3837         optimizations.
3838         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
3839         -floop-strip-mine and -floop-interchange.
3840         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
3841         -fgraphite.
3842         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
3843         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
3844         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
3845
3846 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
3847             Sebastian Pop  <sebastian.pop@amd.com>
3848
3849         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
3850         (create_empty_loop_on_edge): More fixes.
3851         * tree-phinodes.c (resize_phi_node): Extern.
3852         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
3853         * cfghooks.c (update_dominator_information): New split from
3854         split_edge.
3855         * tree-vectorizer.c (rename_variables_in_bb): Extern.
3856         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
3857         successor of the function entry block.
3858
3859         * graphite.c: Include pointer-set.h.
3860         (debug_loop_mapping, increment_loop_mapped_depths,
3861         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
3862         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
3863         swap_loop_mapped_depth_for_num, get_num_from_index,
3864         swap_loop_mapped_depth, loop_iv_stack_debug,
3865         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
3866         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
3867         get_old_iv_from_ssa_name): New.
3868         (new_scop): Initialize SCOP_LOOPS_MAPPING.
3869         (free_scop): Free SCOP_LOOPS_MAPPING.
3870         (scop_record_loop): Record old ivs.
3871         (create_var_name): Removed.
3872         (initialize_cloog_names): Allocate double space in case strip mine
3873         applies to all loops once.
3874         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
3875         (clast_to_gcc_expression): Same.  Implement more clast to gimple
3876         translation.
3877         (graphite_create_new_loop): Pass in ivstack.
3878         (remove_all_edges): Pass in the construction_edge.
3879         (graphite_remove_iv): Removed.
3880         (graphite_rename_ivs, graphite_rename_ivs_stmt,
3881         remove_cond_exprs): Rewritten.
3882         (move_phi_nodes): New.
3883         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
3884         (translate_clast): Pass in ivstack.  Rewrite some cases.
3885         (set_cloog_options, debug_clast_stmt): New.
3886         (find_transform): Use set_cloog_options.
3887         (outermost_loop_layer): Removed.
3888         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
3889         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
3890         mark_old_loops, remove_dead_loops): New.
3891         (gloog): Rewritten.
3892         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
3893         (const_column_index, get_first_matching_sign_row_index,
3894         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
3895         get_upper_bound): New.
3896         (graphite_trans_bb_strip_mine): Also update the iv map.
3897
3898         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
3899         (struct name_tree): Add a loop field.
3900         (struct scop): Add a graphite_loops_mapping field.
3901         (SCOP_LOOPS_MAPPING): New.
3902         (debug_clast_stmt): Declare.
3903         * lambda.h (find_induction_var_from_exit_cond): Declare.
3904         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
3905         * cfgloop.h (update_dominators_in_loop): Removed declaration.
3906         (create_empty_loop_on_edge): Updated.
3907         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
3908         rename_variables_in_bb): Declare.
3909         * tree-cfg.c (remove_bb): Extern.
3910
3911         * testsuite/gcc.dg/graphite/block-0.c: New.
3912
3913 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3914             Sebastian Pop  <sebastian.pop@amd.com>
3915
3916         * graphite.c (strip_mine_profitable_p): New.
3917         (graphite_trans_bb_block): Disable strip mining if not profitable.
3918
3919         * testsuite/gcc.dg/graphite/scop-18.c: New.
3920         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
3921         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
3922
3923 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
3924             Jan Sjodin  <jan.sjodin@amd.com>
3925             Sebastian Pop  <sebastian.pop@amd.com>
3926
3927         * graphite.c (is_interchange_valid): New.
3928         (graphite_trans_bb_block): Check loop nest of basic block for legality
3929         of interchange.
3930
3931         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
3932         outer_most_loop, gbb_outer_most_loop_index): New.
3933
3934         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
3935         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
3936         * testsuite/gcc.dg/graphite/scop-16.c: New.
3937         * testsuite/gcc.dg/graphite/scop-17.c: New.
3938
3939 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3940
3941         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
3942         (graphite_trans_scop_block): Ignore SCoPs without bbs.
3943
3944 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3945
3946         * graphite.c (new_scop): Initialize SCOP_EXIT.
3947         (scopdet_info): Add.
3948         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
3949         (build_scops_1): Cleanup, bugfixes.
3950         (build_scops): Cleanup.
3951
3952         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
3953         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
3954
3955 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
3956
3957         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
3958
3959         * testsuite/gfortran.dg/graphite/graphite.exp: Use
3960         DEFAULT_GRAPHITE_FLAGS.
3961
3962         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
3963
3964 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
3965
3966         * graphite.c (scan_tree_for_params): Do not assert any more if
3967         MULT_EXPR parameter is negative.
3968
3969         * testsuite/gfortran.dg/graphite/scop-1.f: New.
3970
3971         * testsuite/gfortran.dg/graphite/graphite.exp: New.
3972
3973         * testsuite/gcc.dg/graphite/scop-15.c: New.
3974
3975 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
3976
3977         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
3978
3979 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3980
3981         * graphite.c (graphite_trans_bb_swap_loops): Rename from
3982         graphite_swap_loops.
3983         (graphite_trans_bb_move_loop): New.
3984         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
3985         (graphite_trans_bb_block): New.
3986         (graphite_trans_loop_block): New.
3987         (graphite_trans_scop_swap_1and2): Rename from
3988         graphite_trans_swap_1and2.
3989         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
3990         (graphite_trans_scop_block): New.
3991         (graphite_apply_transformations): Rename from
3992         graphite_transformations.
3993
3994         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
3995
3996 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3997
3998         * graphite.c (gbb_compare): New.
3999         (graphite_sort_gbbs): New.
4000         (gbb_can_be_ignored): New.
4001         (scop_remove_ignoreable_gbbs): New.
4002         (graphite_transformations): Cleanup and add
4003         scop_remove_ignoreable_gbbs.
4004         * lambda.h (lambda_vector_compare): New.
4005
4006 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4007
4008         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4009         (graphite_swap_loops): int -> unsigned
4010         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4011         (graphite_transformations): New.
4012         (graphite_transform_loops): Move to graphite_transformations.
4013         * graphite.h (gbb_nb_loops): Return unsigned.
4014
4015 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4016
4017         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4018         the domain matrix.  This makes scop-0.c work again.
4019
4020 2008-06-20  Richard Guenther  <rguenther@suse.de>
4021
4022         * graphite.h: Adjust copyright to GPLv3.
4023         * graphite.c: Likewise.
4024         (stmt_simple_memref_for_scop_p): Split out from ...
4025         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4026         and simplify.
4027         (get_bb_type): Optimize.
4028         (is_pred): Remove.
4029         (is_bb_addable): Fix memleak, replace is_pred call with
4030         single_pred.
4031         (build_scops): Use current_loops.
4032         (param_index): Fix memleak.
4033
4034 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4035
4036         * graphite.c: Fix formatting.
4037
4038 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4039
4040         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4041         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4042         (create_var_name, save_var_name): Newly defined functions.
4043         (initialize_cloog_names): Part of the code factored out to
4044         save_var_name.
4045         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4046         in clast_reduction statement.
4047         (graphite_create_new_loop): Now takes a new parameter
4048         for outer_loop.
4049         (translate_clast): Now also takes the context_loop and bb_exit
4050         parameters. Rewritten the code so that it creates a gimple code
4051         inside the given context.
4052         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4053         remove_cond_expr, disconnect_cond_expr,
4054         disconnect_virtual_phi_nodes): Newly defined functions.
4055         * graphite.h (struct scop): added old_ivs vector.
4056         SCOP_OLDIVS: New macro.
4057
4058 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4059
4060         * cfgloopmanip.c: Add missing function comments, fix formatting.
4061
4062 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4063
4064         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4065         (create_empty_loop_on_edge): Defined.
4066         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4067         instead of void.
4068         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4069         (update_dominators_in_loop): Declared as extern
4070         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4071
4072 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4073
4074         * graphite.c (print_graphite_bb): Allow changing number of loops
4075         in SCoP domain.
4076         (initialize_cloog_names): Allow changing number of loops.
4077         (build_cloog_prog): Simplify.
4078         (find_transform): Enable cloog option --strides.
4079         (graphite_swap_loops): New.
4080         (graphite_strip_mine_loop): New.
4081         (graphite_trans_swap_1and2): New.
4082         (graphite_trans_strip): New.
4083         (graphite_transform_loops): Add graphite_trans_strip.
4084         * graphite.h (scop_max_loop_depth): New.
4085
4086 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4087
4088         * graphite.c (build_scop_iteration_domain): Remove forgotten
4089         line. (Fixes compile)
4090
4091 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4092
4093         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4094         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4095         (build_bb_loops): New.
4096         (graphite_transform_loops): Add build_bb_loops.
4097         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4098         numbers.
4099         * graphite.h (graphite_bb): Add loops.
4100         (gbb_nb_loops): New.
4101         (gbb_loop_at_index): New.
4102         (gbb_loop_index): New.
4103         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4104         using nb_params_in_scop.
4105
4106 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4107
4108         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4109         (build_scop_canonical_schedules): Build minimized schedule.
4110         (schedule_to_scattering): Adapt to minimized schedule.
4111         * graphite.h (graphite_bb): Add/Update descriptions.
4112
4113 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4114             Tobias Grosser  <grosser@fim.uni-passau.de>
4115
4116         * graphite.c (print_graphite_bb): Add condition printing.
4117         (dump_value): New.
4118         (dump_gbb_conditions): New.
4119         (build_scop_conditions_1): New.
4120         (build_scop_conditions): New.
4121         * graphite.h (graphite_bb): Add conditions.
4122
4123 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4124
4125         * graphite.c (print_graphite_bb):
4126         (free_graphite_bb): New.
4127         (free_scop): Free bbs.
4128         (get_bb_type): Free doms.
4129         (build_scop_context): Free context matrix.
4130         (build_loop_iteration_domains): Remove unused code.
4131         (build_cloog_prog): Free scattering function and blocklist.
4132         (find_transform): Free options.
4133
4134 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4135
4136         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4137         Remove unnecessery cloog data structures. Make a copy of the domain
4138         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4139         unnecessary cloog data structures. Fix memory leaks. Remove insert
4140         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4141         used.
4142         (build_scop_iteration_domain): Remove unnecessary cloog
4143         data structures.  Fix memory leaks.
4144         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4145         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4146
4147 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4148
4149         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4150
4151 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4152
4153         * graphite.c (end_scop): Style fix.
4154         (schedule_to_scattering): Style and comment fix.
4155
4156 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4157         * graphite.c (print_graphite_bb): Fix definiton of
4158         schedule_to_scattering.
4159         (initialize_cloog_names): Change nb_scattdims to max loop
4160         depth in SCoP.
4161         (schedule_to_scattering): Take parameter for number of scattering
4162         dimensions.
4163         (build_cloog_prog): Only build as much scattering dimensions as
4164         necessary.
4165
4166 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4167
4168         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4169         in polyhedron/aermod.f90.
4170
4171 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4172             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4173             Harsha Jagasia  <harsha.jagasia@amd.com>
4174
4175         * graphite.c (is_bb_addable): Fix segfault.
4176
4177 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4178
4179         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4180         with multiple exits and conditional handling in edge cases.
4181         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4182
4183         * testsuite/gcc.dg/graphite/scop-14.c: New.
4184
4185 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4186             Adrien Eliche  <aeliche@isty.uvsq.fr>
4187
4188         * graphite.c (is_bb_addable): Add more comments and enhance
4189         readablity of the source code. Fix memory leak.
4190         (is_loop_exit): Fix memory leak.
4191
4192 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4193
4194         * graphite.c (first_loop_in_scop): Deleted.
4195         (setup_cloog_loop): Only walk the loop chain for inner loops.
4196         (build_scop_iteration_domain): Execute setup_cloog_loop for
4197         all loops in the first layer.
4198
4199 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4200
4201         * graphite.c (scan_tree_for_params): Change the way params are
4202         added to be indepenent of the number of loops.
4203         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4204         handling.
4205         (build_cloog_prog): Revert to short matrix format.
4206
4207 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4208             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4209
4210         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4211         warning.
4212
4213 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4214
4215         * graphite.c (nb_data_refs_in_scop): New.
4216         (graphite_transform_loops): Print more stats: number of
4217         loops, basic blocks and data references per scop.
4218
4219 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4220             Jan Sjodin  <jan.sjodin@amd.com>
4221
4222         * graphite.c (loop_affine_expr, idx_record_params,
4223         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4224         instead of instantiate_parameters.
4225
4226 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4227
4228         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4229         add support for parameters, add STATIC_SCHEDULE at the right places,
4230         cleanup.
4231
4232 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4233
4234         * graphite.c (build_scop_loop_nests): Only add the loops, that
4235         are contained completely in the SCoP.
4236         (build_cloog_prog): Disable scattering, until schedule_to_scattering
4237         and the domains are fixed.
4238         (build_scop_canonical_schedules): Add support for bbs not contained
4239         in any SCoP.
4240
4241 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4242
4243         * graphite.h (scop_contains_loop): Update comments to match
4244         the actual behavior.
4245         (scop_contains_loop): New.
4246         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
4247
4248 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4249
4250         * graphite.c (get_bb_type): On function body, i.e. loop_0,
4251         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
4252         as GBB_COND_HEADER.
4253
4254 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4255             Tobias Grosser  <grosser@fim.uni-passau.de>
4256
4257         * graphite.c (graphite_transform_loops): Early return when
4258         there are no loops in the function.
4259
4260 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4261             Jan Sjodin  <jan.sjodin@amd.com>
4262
4263         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
4264         offset of the last loop.
4265         (setup_cloog_loop): Copy the entire outer constraint matrix.
4266
4267 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4268             Jan Sjodin  <jan.sjodin@amd.com>
4269
4270         * graphite.c (stmt_in_scop_p, function_parameter_p,
4271         invariant_in_scop_p): Removed.
4272         (scan_tree_for_params): Can be used with no constraint
4273         matrix for gathering parameters.
4274         (idx_record_params): Don't use idx_record_param, instead use
4275         scan_tree_for_params.
4276         (find_scop_parameters): Same.
4277         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
4278         Fix the size of loop domains.
4279         (schedule_to_scattering): Exit when the outer loop is not in scop.
4280         (find_transform): Enable build_cloog_prog.
4281
4282 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4283             Jan Sjodin  <jan.sjodin@amd.com>
4284
4285         * graphite.c (schedule_to_scattering): Make scattering domains
4286         uniformly of the same size, as required by CLooG 0.14.0 and before.
4287
4288 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4289             Jan Sjodin  <jan.sjodin@amd.com>
4290
4291         * graphite.c (schedule_to_scattering): Rewrite, correct the
4292         translation of the scheduling function to scattering.
4293         (build_cloog_prog): Call schedule_to_scattering only once.
4294         * graphite.h (scop_loop_index): Do not fail for loops not
4295         in the scop: return -1.
4296
4297 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
4298
4299         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
4300         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
4301         (setup_cloog_loop): Export GBB_DOMAIN.
4302         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
4303         able to rebuild the original control flow.
4304         * graphite.h (graphite_bb): Add domain field and access macro.
4305         (GBB_DOMAIN): New.
4306
4307 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4308
4309         * graphite.c (debug_gbb): New.
4310         (print_scop, build_graphite_bb): Use SCOP_BBS.
4311         (build_scop_bbs): Reimplemented.
4312         (dfs_bb_in_scop_p): Removed.
4313         (build_scop_loop_nests): Reorder loops inserted in
4314         SCOP_LOOP_NEST: outer loops should come first.
4315         (build_scop_canonical_schedules): Reinitialize at zero
4316         the components of the SCOP_STATIC_SCHEDULE for the loops
4317         that have already been parsed.
4318
4319         * graphite.h (debug_gbb): Declared.
4320
4321 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4322             Jan Sjodin  <jan.sjodin@amd.com>
4323
4324         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
4325         (graphite_loop_to_gcc_loop): Removed.
4326         (remove_all_edges): New.
4327         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
4328         (gloog): Remove useless code.
4329
4330 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4331
4332         * graphite.c (get_bb_type): Reworked. We distinguish between
4333         loops with one or multiple exits.
4334         (is_loop_exit): New.
4335         (is_pred): New.
4336         (is_bb_addable): Rework condition handling, now support for case
4337         case statements and loops with multiple exits.
4338
4339         * testsuite/gcc.dg/graphite/scop-11.c: New.
4340         * testsuite/gcc.dg/graphite/scop-12.c: New.
4341         * testsuite/gcc.dg/graphite/scop-13.c: New.
4342
4343 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4344
4345         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
4346         we have too many colors.
4347
4348 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
4349
4350         * doc/invoke.texi (-ftree-loop-fusion): Document.
4351         * tree-pass.h (pass_loop_fusion): Declared.
4352         * tree-loop-fusion.c: New.
4353         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
4354         * tree-data-ref.c (find_data_references_in_loop): Make extern.
4355         * tree-data-ref.h (find_data_references_in_loop): Declared.
4356         * common.opt (ftree-loop-fusion): Declared.
4357         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
4358
4359 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * graphite.c (build_access_matrix): Fix typo from the merge.
4362
4363 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
4364
4365         * Merge from mainline (130800:135673).
4366
4367 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4368
4369         * graphite.c (end_scop): The exit of the scop is not part of the scop.
4370         Update dominators after splitting.
4371
4372 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4373
4374         * graphite.c (is_bb_addable): Return the harmful statement.
4375         Factor up some code.
4376         (end_scop): New.  Splits end of scope bbs on a harmful statement.
4377         (build_scops_1): Call end_scop.
4378
4379 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4380
4381         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
4382         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
4383         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
4384         build_scops_1): Removed.
4385         (build_scops_2): Renamed build_scops_1.
4386
4387 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4388
4389         * graphite.c: Fix formatting.
4390
4391 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4392
4393         * graphite.c (get_bb_type): New.
4394         (move_scops): New.
4395         (build_scops_2): New.
4396         (is_bb_addable): New.
4397         (build_scops): Switch the scop detection.
4398         (build_scop_bbs): Add entry bb to scop.
4399         * graphite.h (struct scop): Update comment.
4400
4401 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4402
4403         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
4404         more colors.
4405
4406 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4407
4408         * testsuite/gcc.dg/graphite/scop-1.c: Update.
4409         * testsuite/gcc.dg/graphite/scop-2.c: Update.
4410         * testsuite/gcc.dg/graphite/scop-4.c: Update.
4411         * testsuite/gcc.dg/graphite/scop-5.c: Add.
4412         * testsuite/gcc.dg/graphite/scop-6.c: Add.
4413
4414 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4415
4416         * testsuite/gcc.dg/graphite/scop-0.c: Add.
4417         * testsuite/gcc.dg/graphite/scop-7.c: Add.
4418         * testsuite/gcc.dg/graphite/scop-8.c: Add.
4419         * testsuite/gcc.dg/graphite/scop-9.c: Add.
4420         * testsuite/gcc.dg/graphite/scop-10.c: Add.
4421
4422 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4423
4424         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
4425         Check affine expressions depending on the outermost loop
4426         instead of a scop.
4427         (stmt_simple_for_scop_p): Same.
4428         (harmfule_stmt_in_scop): Same.
4429
4430 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4431
4432         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
4433         mark entry and exit, that are not part of the SCoP and update HTML
4434         formatting.
4435
4436 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
4437
4438         * graphite.c (basic_block_simple_for_scop_p): Renamed
4439         harmful_stmt_in_bb.
4440         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
4441         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
4442         (all_preds_visited_p, all_succs_visited_p,
4443         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
4444         scop_end_loop): New.
4445         (build_scops): Do not use dfs_enumerate_from.
4446
4447         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
4448
4449 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4450
4451         * graphite.c: Add comments to functions that are missing a
4452         description.
4453         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
4454
4455 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4456
4457         * graphite.c (nb_params_in_scop): Moved...
4458         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
4459         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
4460         (clast_to_gcc_expression): Reduce column size to less than 80.
4461         (graphite_create_iv): Return the new name of the IV.
4462         (find_transform): Set options->esp and options->cpp.
4463         (gloog): Comment out the invalidation of the old loop code.
4464         (initialize_dependence_polyhedron): Replace scop_nb_params with
4465         nb_params_in_scop.
4466
4467         * graphite.h (nb_params_in_scop): ... here.
4468         (scop_nb_params): Removed.
4469         (loop_domain_dim): Return something even when the loop was not
4470         found in the hash table: avoid ICEing on all the graphite.exp
4471         testcases.
4472
4473 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4474
4475         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
4476
4477         * graphite.c (build_scop_dynamic_schedules): Schedule is built
4478         according to nesting level.
4479         (find_scop_parameters): Call instantiate_parameters.
4480         (scan_tree_for_params): Extend it to handle general affine bounds.
4481         Inner loop bound can depend on outer loop induction variable.
4482         (setup_cloog_loop): tmp variable is allocated on stack. Call
4483         instantiate_parameters with respect to outermost_loop_in_scop.
4484         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
4485         graphite.h.
4486         (create_empty_loop): Function loopify should be given edge
4487         probability, instead of edge frequency. Dominance relation from
4488         switch_bb to loop_header.
4489         (clast_to_gcc_expression): Added handling of clast_reduction node.
4490         (gloog): New functionality for removing old loop.
4491         (test_dependence): Factored out from build_rdg_all_levels.
4492         (build_rdg_all_levels): Dependence testing factored out to
4493         test_dependence function.
4494
4495         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
4496         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
4497         from graphite.c
4498
4499 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4500
4501         * graphite.c (free_scop, param_index, initialize_cloog_names,
4502         nb_params_in_scop): Use name_tree map instead of just a tree
4503         for keeping track of the variable name associated to that tree.
4504         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
4505         clast_to_gcc_expression, graphite_create_iv,
4506         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
4507         graphite_stmt_to_gcc_stmt): New.
4508         (gloog): Call these.
4509         * graphite.h (struct name_tree): New.
4510         (struct scop): Use name_tree instead of tree for params.
4511         Store a vector of name_tree for new_ivs.
4512         (SCOP_NEWIVS): New.
4513         (scop_nb_params): Use name_tree instead of tree.
4514
4515 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
4516             Sebastian Pop  <sebastian.pop@amd.com>
4517
4518         * tree-bounds.c: New.
4519         * tree-bounds.h: New.
4520         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
4521         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
4522         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
4523         flag_mudflap.
4524         * gcc.c: Same.
4525         * toplev.c: Same.
4526         * c-cppbuiltin.c: Same.
4527         * c-pragma.c: Same.
4528         * common.opt: Same.
4529         * varasm.c: Same.
4530         * tree-outof-ssa.c: Same.
4531         * c-common.c: Same.
4532         * Makefile.in: Same.
4533
4534 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
4535             Sebastian Pop  <sebastian.pop@amd.com>
4536
4537         * tree-loop-distribution.c (remaining_stmts,
4538         upstream_mem_writes): Removed static variables.
4539         (copy_loop_before, create_bb_after_loop,
4540         mark_nodes_having_upstream_mem_writes, free_rdg_components,
4541         rdg_build_components, rdg_build_partitions,
4542         dump_rdg_partitions): Extern.
4543         (generate_loops_for_partition, generate_code_for_partition): Do not
4544         return a bool.
4545         (already_processed_vertex_p, predecessor_has_mem_write,
4546         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
4547         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
4548         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
4549         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
4550         Pass remaining_stmts and upstream_mem_writes as parameters.
4551         (rdg_component): Moved...
4552         (build_rdg_partition_for_component): Do not aggregate components when
4553         flag_streamize_loops is set.
4554         (gen_sequential_loops): New.
4555         (ldist_gen): Call gen_sequential_loops.
4556
4557         * tree-pass.h (pass_loop_streamization): Declared.
4558
4559         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
4560         basic blocks when loops structures exist.
4561
4562         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
4563
4564         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
4565
4566         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4567         eliminate_local_variables_stmt, eliminate_local_variables,
4568         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4569         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4570         of code delimited by two edges in the CFG.
4571         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4572         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4573         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
4574         the case of parallelisation of reductions.
4575         (create_loop_fn): Extern.
4576         (create_omp_parallel_region): New.
4577
4578         * tree-data-ref.c (dump_data_dependence_relation): Don't call
4579         dump_data_reference for printing dra and drb.
4580         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
4581         RDGE_RELATION.
4582         (build_rdg): Don't call free_dependence_relations for the moment, as
4583         we attach dependence relations on each edge of the RDG.
4584         To be fixed later.
4585
4586         * tree-data-ref.h (rdg_component): ...here.
4587         (struct rdg_edge): New field ddr_p relation.
4588         (RDGE_RELATION): New.
4589         (create_bb_after_loop, copy_loop_before,
4590         mark_nodes_having_upstream_mem_writes, rdg_build_components,
4591         rdg_build_partitions, dump_rdg_partitions,
4592         free_rdg_components): Declared.
4593
4594         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
4595         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
4596
4597         * tree-loop-streamization.c: New.
4598
4599         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
4600         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
4601
4602         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
4603
4604         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4605
4606         * passes.c: Schedule pass_loop_streamization.
4607
4608 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
4609
4610         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
4611         update comment.
4612
4613 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4614
4615         * graphite.c (dot_all_scops): Update formatting.
4616         Bbs can now be part of more than one SCoP.
4617
4618 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
4621         malloc problems.
4622         (loop_domain_dim): Check for unregistered toplev SCOP loop.
4623         * graphite.h (loop_to_cloog_loop): New.
4624
4625 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4626
4627         * graphite.c (loop_domain_dim, ref_nb_loops,
4628         loop_iteration_vector_dim): New.
4629         (build_access_matrix_with_af, build_access_matrix,
4630         initialize_dependence_polyhedron): Fixed for new matrix layout.
4631         No longer assume that all iteration domains are of the same
4632         dimensionality.
4633
4634 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4635
4636         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4637         defined in a loop at depth 0 is invariant.
4638         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4639         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4640         be called at loop depth 0.
4641
4642         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
4643         a parameter.
4644         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
4645         (down_open_scop): Removed.
4646         (loop_in_scop_p): Redefined.
4647         (scop_affine_expr): New argument: scop.
4648         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
4649         a harmful statement ending a scop.
4650         (basic_block_simple_for_scop_p): New argument: scop.
4651         (get_loop_start): Removed.
4652         (new_scop): Initialize SCOP_LOOPS.
4653         (free_scop): Free SCOP_LOOPS.
4654         (succs_at_same_depth, preds_at_same_depth): New.
4655         (end_scop): Test the validity of a scop.
4656         (add_dominators_to_open_scops): New.
4657         (test_for_scop_bound): Call add_dominators_to_open_scops.
4658         Add cases for opening and closing multiple scops.
4659         (build_scops, build_scop_bbs): Iterate over basic blocks in
4660         depth first order.
4661         (build_graphite_bb): Pass scop directly.
4662         (dfs_bb_in_scop_p): New.
4663         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
4664         several times.
4665         (nb_loops_around_gb): Use loop_in_scop_p.
4666         (schedule_to_scattering): Disabled for the moment the code computing
4667         the "textual order for outer loop".
4668
4669         * graphite.h (struct scop): New field loops.
4670         (SCOP_LOOPS): New.
4671         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
4672
4673         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
4674
4675 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
4676             Sebastian Pop  <sebastian.pop@amd.com>
4677
4678         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
4679         * common.opt (fstreamize-loops): New.
4680         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
4681         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
4682         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
4683         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
4684
4685 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4686
4687         * tree-data-ref.c (build_empty_rdg): New.
4688         (build_rdg): Use it.
4689         * tree-data-ref.h (build_empty_rdg): Declared.
4690         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
4691         (find_vertex_for_stmt): Removed.
4692         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
4693
4694 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * tree-loop-distribution.c (generate_builtin): After cancelling the
4697         loop tree, also delete basic blocks.
4698         (rdg_flag_uses): Stop recursion when a vertex has already been
4699         processed.
4700
4701 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4702
4703         * graphite.c (build_scop_alpha): Removed.
4704         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
4705         and dump_dependence_graph to avoid compiler warnings.
4706
4707 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4708
4709         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
4710         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
4711         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4712         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
4713         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
4714         (initialize_dependence_polyhedron, find_vertex_for_stmt,
4715         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4716         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
4717         dump_dependence_graph): New.
4718         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
4719         (GBB_ALPHA): New.
4720         (struct scop): New field loop2cloog_loop.
4721         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
4722         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
4723
4724 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4725
4726         * graphite.c (build_graphite_bb): Fix initialization
4727         of the graphite basic block.
4728
4729 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4730
4731         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
4732         loop domain matrix.  Pass in the number of loops contained in the
4733         constraint matrix.
4734         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
4735         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
4736         loops that are not surrounding the current loop are not represented
4737         in the domain constraint matrix.
4738         (build_scop_iteration_domain): Initial domain constraint matrix
4739         contains only the eq/ineq, cst, and scop parameters columns.
4740
4741 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4742
4743         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
4744         (print_graphite_bb): Print scattering.
4745
4746 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4747
4748         * graphite.c (initialize_cloog_names): Initialize names of
4749         scattering variables.
4750
4751 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4752
4753         * graphite.c (dot_all_scops_1): Disable debug output while
4754         printing graph.
4755
4756 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4757
4758         * graphite.c (find_transform): Change cloog output language to C.
4759
4760 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
4761
4762         * tree-loop-distribution.c (generate_memset_zero,
4763         generate_builtin, generate_code_for_partition,
4764         rdg_flag_all_uses): New.
4765         (rdg_flag_uses): Gather in the same partition the statements defining
4766         the VUSES of the current statement.
4767         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
4768         Gather in the same partition not only the stores to the same memory
4769         access, but also the reads.
4770         (ldist_generate_loops): Renamed ldist_gen.
4771
4772 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
4773             Tobias Grosser  <grosser@fmi.uni-passau.de>
4774
4775         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
4776         next pointer, don't use the inner pointer.
4777
4778 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
4779
4780         * graphite.c (dot_all_scops, dot_all_scops_1): New.
4781         (find_transform): Call dot_all_1.
4782         * graphite.h (dot_all_scops): Declared.
4783
4784 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
4785
4786         * tree-loop-distribution.c: Fix apsi.f ICE.
4787         (create_bb_after_loop): New.
4788         (generate_loops_for_partition): Use it.
4789         * testsuite/gfortran.dg/ldist-1.f90: New.
4790
4791         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
4792         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
4793
4794 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4795
4796         * graphite.c (find_transform): Dump cloog program sent to cloog.
4797
4798 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4799
4800         * graphite.c (initialize_cloog_names): Initialize cloog
4801         iterator names.
4802
4803 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4804
4805         * graphite.c (build_scop_context): Fix typo, for the matrix
4806         format: insert '0 >= 0' instead of '-1 >= 0'.
4807
4808 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
4809
4810         * Fix merge problems.
4811
4812 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
4813
4814         * graphite.c (setup_cloog_loop): Fix typo.
4815
4816 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4817
4818         * doc/invoke.texi (-ftree-loop-distribution): Documented.
4819         * tree-loop-distribution.c: Reimplemented.
4820         * tree-pass.h (pass_loop_distribution): New.
4821         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
4822         print_loops.
4823         * graphds.h (struct graph): New field indexes.
4824         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4825
4826         * tree-vect-analyze.c: Remove declaration of static functions when not
4827         needed.
4828         * tree-vectorizer.c: Same.
4829         (rename_variables_in_loop): Now extern.
4830         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
4831         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
4832         calling redirect_edge_and_branch_force.
4833
4834         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4835
4836         * tree-data-ref.c: Don't include tree-chrec.h.
4837         (debug_data_dependence_relations): New.
4838         (dump_data_dependence_relation): Call dump_data_reference on data refs
4839         in the relation.
4840         (same_access_functions): Moved...
4841         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4842         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4843         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4844         struct rdg_vertex_info, ): New.
4845         (create_rdg_edge_for_ddr): Compute the dependence level before looking
4846         at DDR_REVERSED_P.
4847         (create_rdg_vertices): Initialize the htab of graph->indexes.
4848         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
4849         (stmts_from_loop): Don't save LABEL_EXPR.
4850         (hash_stmt_vertex_info, eq_stmt_vertex_info,
4851         hash_stmt_vertex_del): New.
4852         (build_rdg): Initialize rdg->indexes.
4853         (free_rdg, stores_from_loop, ref_base_address,
4854         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4855         have_similar_memory_accesses_1, ref_base_address_1,
4856         remove_similar_memory_refs): New.
4857
4858         * tree-data-ref.h: Include tree-chrec.h.
4859         (debug_data_dependence_relations): Declared.
4860         (same_access_functions): ...here.  Now static inline.
4861         (ddr_is_anti_dependent, ddrs_have_anti_deps,
4862         ddr_dependence_level): New.
4863         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
4864         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
4865         RDG_MEM_READS_STMT): New.
4866         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4867         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4868         rdg_vertex_for_stmt): Declared.
4869         (struct rdg_edge): New field level.
4870         (RDGE_LEVEL, free_rdg): New.
4871         (stores_from_loop, remove_similar_memory_refs,
4872         rdg_defs_used_in_other_loops_p,
4873         have_similar_memory_accesses): Declared.
4874         (rdg_has_similar_memory_accesses): New.
4875
4876         * lambda.h (dependence_level): New.
4877         * common.opt (ftree-loop-distribution): New.
4878         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
4879         (print_loop_ir): Renamed print_loops.
4880         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
4881         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
4882         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
4883         (tree-loop-distribution.o): Added.
4884         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4885         (mark_virtual_ops_in_bb): New.
4886         (print_loops_bb, debug_loop_num, debug_loop): New.
4887         * passes.c: Scheduled pass_loop_distribution.
4888
4889 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4890
4891         * graphite.c (scan_tree_for_params): Correct the number of columns
4892         for polylib format.
4893         (nb_flat_iterator): New.
4894         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
4895         (build_scop_iteration_domain): Correct the number of columns for
4896         polylib format.
4897
4898 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4899
4900         * Merge from mainline (129697:130800).
4901
4902 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
4903
4904         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
4905         dominated by SCoP's exit.
4906         (graphite_transform_loops): Compute post dominators.
4907
4908 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
4909
4910         * Merge from mainline (127169:129697).
4911
4912 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
4913
4914         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
4915         parameter for the basic block that contains the expression.  Use
4916         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
4917         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
4918         the expression.
4919         * graphite.h (gbb_loop): New.
4920         (GBB_LOOP): Removed.
4921
4922 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
4923
4924         * Makefile.in: Fix merge problem.
4925
4926 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
4927
4928         * Merge from mainline (125309:127169).
4929         * tree-loop-distribution.c: Disabled.
4930
4931 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
4932
4933         * Merge from mainline (r123693:125309).
4934
4935 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
4936
4937         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
4938         correct_modify_p
4939         (correct_modify_p, check_statements, number_of_lvalue_uses,
4940         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
4941         instead of MODIFY_EXPR.
4942         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
4943         and push new edges.
4944
4945 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
4946
4947         * tree-loop-distribution.c (struct rdg): Replace arrays by
4948         VECs for edges and vertices.
4949         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
4950         (RDGV_NB_PARTITIONS): New.
4951         (PRDG_NBV, PRDG_NBE): Removed.
4952         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
4953         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
4954         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
4955
4956 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
4957             Sebastian Pop  <sebpop@gmail.com>
4958
4959         * doc/invoke.texi (-ftree-loop-distribution): Document.
4960         * tree-loop-distribution.c: New file.
4961         * tree-pass.h (pass_loop_distribution): Declared.
4962         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4963         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
4964         and set reversed_p.
4965         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
4966         (DDR_REVERSED_P): New.
4967         * common.opt (-ftree-loop-distribution): New.
4968         * tree-flow.h (distribute_loops): Declared.
4969         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
4970         * passes.c (init_optimization_passes): Schedule loop distribution.
4971
4972 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
4973
4974         * graphite.c (print_graphite_bb): Don't call dump_data_references.
4975         (print_scop): Don't print when scop is NULL.
4976         (build_scop_context, find_transform): Don't output to stderr.
4977
4978 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
4979
4980         * tree-data-ref.c: Don't include graphite.h.
4981         Comment out the code for printing data reference's scop.
4982         (build_access_matrix_with_af): Moved...
4983         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
4984         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
4985         (print_graphite_bb): Print basic block's schedule.
4986         (print_scop): Don't print the schedule, call cloog's pretty printer.
4987         (bb_in_scop_p): A basic block is in a scop only if it is both
4988         dominated and postdominated by the scop's entry and exit basic blocks.
4989         (function_parameter_p): New.
4990         (invariant_in_scop_p): Use function_parameter_p.
4991         (new_scop, save_scop): New.
4992         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
4993         save_scop.
4994         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
4995         (loop_in_scop_p): New.
4996         (scop_record_loop): Use loop_in_scop_p.
4997         (build_scop_domain): Renamed build_scop_iteration_domain.
4998         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
4999         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5000         setup_cloog_loop, dot_scop_1, dot_scop): New.
5001         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5002         (struct scop): Add a pointer to cloog's representation of a program.
5003
5004 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5005
5006         * doc/invoke.texi (-ftree-check-verbose): Renamed
5007         -ftree-checks-verbose.
5008         * common.opt (flag_tree_check_verbose): Renamed
5009         flag_tree_checks_verbose.
5010         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5011
5012 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5013
5014         * configure: Regenerated.
5015         * config.in: Regenerated.
5016         * tree-ssa-loop.c (graphite_transforms): Execute
5017         graphite_transform_loops only when HAVE_cloog.
5018         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5019         * graphite.c: Include polylibgmp.h and cloog.h.
5020         (graphite_transform_loops): Removed loops parameter.
5021         * tree-flow.h (graphite_transform_loops): Update declaration.
5022         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5023         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5024         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5025         (OBJS-common): Remove dependence on graphite.o.
5026         (BACKEND): Depend on @GRAPHITE@.
5027
5028 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5029
5030         * doc/invoke.texi (-ftree-check-verbose): Documented.
5031         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5032         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5033         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5034         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5035         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5036         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5037         * common.opt (ftree-checks-verbose): New.
5038         * tree-check.c (tree_check_warning): Move extra stderr output
5039         under control of flag_tree_check_verbose.
5040
5041 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5042
5043         * tree-match.c: Fix comments formatting.
5044         * tree-match.h: Fix comments formatting.
5045         * tree-check.c: Fix comments formatting.
5046         (tree_check_init): Restructure.
5047
5048 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5049
5050         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5051
5052 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5053
5054         * Merge from mainline (r120733:123693).
5055
5056 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5057
5058         * condate.y: New file.
5059         * tree-match.h (struct patt_info_s): New field sign.
5060         (struct condate_s): New field msg.
5061         (normalize_condate, name_condate, add_condate): New.
5062         (conds[], condate_parse): Made extern.
5063         * tree-check.c (tree_check_warning): First arg changed to cond;
5064         warning reformatted.
5065         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5066         (tree_scan): New.
5067         (tree_check): Process trivial condates.
5068         (read_delimited_string): Removed.
5069         (print_cond): Print name and msg.
5070         (conds[]): Made extern.
5071         (parse_tree_check_file_once): Rewritten to use the parser in
5072         condate.y.
5073         Processing of option --tree_check_string moved to tree_scan().
5074         * Makefile.in: Added condate.y
5075
5076 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5077
5078         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5079         Use VECs instead of varrays.
5080         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5081         * Makefile.in (pretty-print.o): Depend on vec.h.
5082         * pretty-print.c: Include tree.h and vec.h.
5083         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5084         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5085         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5086         pp_free_list): Use VECs instead of varrays.
5087         * pretty-print.h: Do not include varray.h.
5088         (struct tree_chunk_s): Declaration moved before its use.
5089         (output_buffer): Rename varray field to chunks.
5090         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5091         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5092         save_global_holes): Use VECs instead of varrays.
5093         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5094         * tree-check.c (scan_cfg_stmts, push_node,
5095         print_matching_stmt): Removed.
5096         (tree_check_instance, push_global_holes_if_new, tree_check,
5097         execute_tree_check): Use VECs instead of varrays.
5098         (gate_tree_check): Don't execute the CFG check when basic_block_info
5099         is not available.
5100
5101 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5102
5103         * Merge from mainline (r115016:120733).
5104
5105 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5106
5107         * Merge from mainline (r117632:117661).
5108
5109 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5110
5111         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5112         * tree-pass.h (TDF_DEBUG, debug_p): New.
5113         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5114         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5115         get_loop_exit_condition, analyze_evolution_in_loop,
5116         analyze_initial_condition, analyze_scalar_evolution,
5117         instantiate_parameters, number_of_latch_executions): Use debug_p.
5118         * tree-chrec.c (chrec_apply): Use debug_p.
5119         * tree-data-ref.c: Include graphite.h.
5120         (dump_data_reference): Print also the access matrix.
5121         (analyze_array, analyze_indirect_ref, init_data_ref,
5122         analyze_offset_expr, address_analysis, object_analysis,
5123         create_data_ref, finalize_ddr_dependent,
5124         non_affine_dependence_relation, analyze_ziv_subscript,
5125         analyze_siv_subscript_cst_affine,
5126         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5127         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5128         analyze_miv_subscript, analyze_overlapping_iterations,
5129         build_classic_dist_vector, subscript_dependence_tester,
5130         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5131         (build_access_matrix_with_af): No longer static.
5132         * tree-data-ref.h (scop_p): ... declaration here.
5133         (data_reference.scop): New field.
5134         (DR_SCOP, DR_ACCESS_MATRIX): New.
5135         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5136         * graphite.c (print_graphite_bb): Call dump_data_references.
5137         (print_scop): Use scop_nb_loops and scop_dim_domain.
5138         (test_for_scop_bound): Use debug_p.
5139         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5140         scop_nb_params.
5141         (scop_loop_index): Moved...
5142         (scop_record_loop): New.
5143         (build_scop_loop_nests): Use scop_record_loop.
5144         (build_scop_domain): Use scop_dim_domain.
5145         (build_access_matrix): Implemented.
5146         (build_scop_canonical_schedules): Use scop_nb_loops.
5147         (build_graphite_bb): Initialize GBB_SCOP.
5148         * graphite.h (scop_p): Moved...
5149         (graphite_bb.scop): New field.
5150         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5151         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5152         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5153         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5154         scop_loop_index): New.
5155         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5156
5157 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5158
5159         * Merge from mainline (r117661:120450).
5160
5161 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5162
5163         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5164         at the first declaration outside the varying loop, instantiate as
5165         far as possible.
5166         * tree-chrec.c (for_each_scev_op): New.
5167         * tree-chrec.h (for_each_scev_op): Declared.
5168         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5169         * tree-data-ref.c (get_references_in_stmt,
5170         find_data_references_in_stmt): New, from trunk.
5171         (find_data_references_in_loop): Use get_references_in_stmt
5172         and find_data_references_in_loop, modified as in trunk.
5173         (build_access_matrix_with_af): New.
5174         * tree-data-ref.h (data_reference): Add a field access_matrix.
5175         (data_ref_loc): New, as in trunk.
5176         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5177         invariant_in_scop_p, param_index, scan_tree_for_params,
5178         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5179         idx_record_param, idx_record_params, build_access_matrix,
5180         build_scop_data_accesses, build_scop_canonical_schedules,
5181         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5182         build_scop_params): New.
5183         * graphite.h (graphite_bb): New.
5184         (scop): Add fields static_schedule, params, loop_nest,
5185         iteration_domain.
5186         * lambda.h: Declare vecs of lambda_matrix.
5187         * tree-flow.h (print_loop_ir_bb): Declared.
5188         * tree-cfg.c (print_loop_ir_bb): New.
5189         (print_loop): Use print_loop_ir_bb.
5190
5191 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5192
5193         * Merge from mainline (r115016:117632).
5194
5195 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5196
5197         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5198         break due to a warning.
5199
5200 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5201
5202         * graphite.c (print_scops, debug_scops): New.
5203         (graphite_transform): Renamed graphite_find_transform.
5204         * graphite.h (debug_scops): Declared.
5205
5206 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5207
5208         * tree-match.c: Reformat following the GNU style.
5209         * tree-match.h: Reformat following the GNU style.
5210         * tree-pattern.h: Removed empty file.
5211         * Makefile.in: Remove references to tree-pattern.h.
5212         * tree-check.c: Reformat following the GNU style.
5213         (execute_tree_check): Move gate condition code to...
5214         (gate_tree_check): ...here.  New function.
5215         (pass_check): Use the gate function.
5216
5217 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5218
5219         * tree-pattern.h: New. Tree pattern matching and checking using
5220         concrete syntax.
5221         * tree-check.c: New. Tree/CFG checking pass.
5222         * tree-match.c: New. Library for tree pattern matching.
5223         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5224         * toplev.c, flags.h: Add globals for tree-check pass.
5225         * Makefile.in: Integrate the files in tree-check pass.
5226         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5227         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5228         Introduce a "lazy" pretty-print mode.
5229         * tree.c, tree.h: Add tree_name.
5230
5231 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5232
5233         * doc/invoke.texi (-fgraphite): Correct typo.
5234         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
5235         use of print_loop_ir.
5236         * testsuite/gcc.dg/graphite/scop-1.c: New.
5237         * testsuite/gcc.dg/graphite/scop-2.c: New.
5238         * testsuite/gcc.dg/graphite/graphite.exp: New.
5239         * graphite.c: Include domwalk.h.
5240         (print_scop): Print only the entry and exit blocks.
5241         (debug_scop): No longer static.
5242         (affine_expr): Fix formating.  Return also true when the expression is
5243         constant.
5244         (stmt_simple_for_scop_p): Fix formating.
5245         (build_scops): Use domwalk.
5246         (get_loop_start, end_scop, test_for_scop_bound): New.
5247         (graphite_transform_loops): Avoid printing on stderr.
5248         * graphite.h (debug_scop): Declared.
5249         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
5250         * Makefile.in (graphite.o): Depend on domwalk.h.
5251         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
5252         declarations for static functions.
5253         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
5254         controlling output verbosity.
5255
5256 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
5257             Plesco Alexandru  <shurikx@gmail.com>
5258
5259         * doc/invoke.texi (-fgraphite): Document.
5260         * tree-pass.h (pass_graphite_transforms): Declared.
5261         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
5262         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
5263         (pass_graphite_transforms): Defined.
5264         * tree-data-ref.c (free_data_ref, data_reference): Extern.
5265         * tree-data-ref.h (free_data_ref, data_reference): Declared.
5266         * graphite.c, graphite.h: New.
5267         * common.opt (fgraphite): Declared.
5268         * tree-flow.h (graphite_transform_loops): Declared.
5269         * Makefile.in (OBJS-common): Add graphite.o.
5270         (graphite.o): New rule.
5271         * passes.c (pass_graphite_transforms): Scheduled.
5272