gcc/ChangeLog.graphite

   1 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (pddr_original_scattering): Return NULL
   4         for read-read dependence relations.
   5         * graphite-poly.h (enum poly_dr_type): Fix comment.
   6         (pdr_read_p): New.
   7         (pdr_write_p): New.
   8         (pdr_may_write_p): New.
   9
  10 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
  13         (struct poly_dr): Same.
  14         (new_poly_dr): Same.
  15         * graphite-poly.c (new_poly_dr): Same.
  16
  17 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  18             Sebastian Pop  <sebastian.pop@amd.com>
  19
  20         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
  21         pbb_strip_mine_time_depth.  Changed the implementation so that
  22         transformation is expressed as a transformation on
  23         time (scatttering) dimensions.  Also, ensures that the 2d+1
  24         scheduling format is preserved.
  25         (pbb_strip_mine_profitable_p): Profitability is based on the
  26         iteration number of a given time (scattering) dimension,
  27         and not on a original loop depth dimension.
  28         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
  29         (pbb_do_strip_mine): Call psct_dynamic_dim.
  30         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
  31         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
  32         (pbb_nb_dynamic_scattering_transform): New.
  33         (psct_dynamic_dim): New.
  34
  35 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  36
  37         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
  38         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
  39         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
  40         * graphite-interchange.c (build_linearized_memory_access): Same.
  41         (memory_stride_in_loop): Same.
  42
  43 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  44
  45         * graphite-dependences.c (pddr_original_scattering): New.
  46         (graphite_legal_transform_dr): Call pddr_original_scattering.
  47         (dot_deps_1): New.
  48         (dot_deps): New.
  49         * graphite-dependences.h (dot_deps): Declared.
  50         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
  51         (print_pdr): Print PDR_ID.
  52         * graphite-poly.h (struct poly_dr): Add field id.
  53         (PDR_ID): New.
  54         (pbb_index): New.
  55         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
  56
  57 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
  58
  59         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
  60         not delete the original dependence relation.
  61
  62 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
  63
  64         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
  65         the computation of symmetric data dependence relations.
  66         (dependency_between_pbbs_p): Same.
  67
  68 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
  71         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
  72         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
  73         (free_poly_ddr): New.
  74         (pddr_is_empty): New.
  75         (dependence_polyhedron_1): Now returns a poly_ddr_p.
  76         (dependence_polyhedron): Same.  Remove useless gcc_assert.
  77         Remove fprintfs.
  78         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
  79         (graphite_carried_dependence_level_k): Call pddr_is_empty.
  80         * graphite-dependences.h (enum poly_dependence_kind): New.
  81         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
  82         (PDRP_SOURCE): Renamed PDDR_SOURCE.
  83         (PDRP_SINK): Renamed PDDR_SINK.
  84         (PDRP_DDP): Renamed PDDR_DDP.
  85         (PDDR_KIND): New.
  86         (free_poly_ddr): Declared.
  87         * graphite-poly.c (new_scop): Use the new hash function names.
  88         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
  89         into original_pddrs.
  90         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
  91
  92 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         * Merge from mainline (150764:150992).
  95
  96 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
  99         bounds with LT_EXPR to make niter analysis more precise on code
 100         generated by Graphite.
 101
 102 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 103
 104         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 105         (graphite_legal_transform_bb): Same.
 106         (poly_drs_may_alias_p): Same.
 107
 108 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 109
 110         PR middle-end/40981
 111         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 112         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 113
 114 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 115
 116         * graphite-poly.c (print_pbb): Print PBB index.
 117
 118 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 119
 120         * Merge from mainline (r150672:150764).
 121
 122 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 123
 124         * graphite-interchange.c (ppl_max_for_le): Moved...
 125         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 126         * graphite-ppl.c (ppl_max_for_le): ... here.
 127         * graphite-ppl.h (ppl_max_for_le): Declared.
 128
 129 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 130
 131         * Merge from mainline (r150372:150672).
 132
 133 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 134
 135         PR middle-end/40980
 136         * sese.c (convert_for_phi_arg): New.
 137         (add_guard_exit_phis): Use convert_for_phi_arg.
 138
 139         * testsuite/gfortran.dg/graphite/id-17.f: New.
 140
 141 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 142
 143         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 144         unknown subscript upper bounds.
 145
 146         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 147
 148 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 149             Pranav Garg  <pranav.garg2107@gmail.com>
 150
 151         * graphite-interchange.c (gather_access_strides): Removed.
 152         (ppl_max_for_le): New.
 153         (build_linearized_memory_access): New.
 154         (memory_stride_in_loop): New.
 155         (pbb_interchange_profitable_p): Reimplemented.
 156         * graphite-ppl.h (ppl_new_id_map): New.
 157         (ppl_interchange): New.
 158
 159         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 160
 161 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 162
 163         * graphite-interchange.c (compute_subscript): Removed.
 164         (compute_array_size_cstr): Removed.
 165         (compute_array_size_poly): Removed.
 166         (compute_array_size): Removed.
 167         (gather_access_strides_poly): Removed.
 168         (gather_access_strides): Empty.
 169
 170 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         * graphite-dependences.c (dependence_polyhedron_1): Replace
 173         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 174         (graphite_legal_transform_dr): Same.
 175         (graphite_carried_dependence_level_k): Same.
 176         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 177         Initialize PDR_NB_SUBSCRIPTS.
 178         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 179         PDR_NB_SUBSCRIPTS.
 180         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 181         (PDR_NB_SUBSCRIPTS): New.
 182         (pdr_nb_subscripts): Removed.
 183         (pdr_dim): Simplified.
 184         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 185         with PDR_NB_SUBSCRIPTS.
 186
 187 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-interchange.c (compute_array_size): Remove use of
 190         PDR_DATA_CONTAINER.
 191         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 192         Do not initialize PDR_DATA_CONTAINER.
 193         (print_pdr): Do not print PDR_DATA_CONTAINER.
 194         * graphite-poly.h (struct poly_dr): Remove data_container field.
 195         (PDR_DATA_CONTAINER): Removed.
 196         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 197         PDR_DATA_CONTAINER.
 198         (build_poly_dr): Same.
 199
 200 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 201
 202         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 203
 204 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 205             Sebastian Pop  <sebastian.pop@amd.com>
 206
 207         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 208         copy of the dependence polyhedron.  Free the temporary objects.
 209         (graphite_carried_dependence_level_k): Free unused objects before
 210         returning.
 211
 212         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 213         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 214         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 215         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 216         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 217
 218 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 219
 220         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 221         Early return without analyzing the data dependences if no
 222         transform has been done.  Call restore_scattering if the transform
 223         is not legal.
 224         (graphite-interchange.c): Same.
 225         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 226         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 227         (apply_poly_transforms): Do not gcc_assert that
 228         the transform is legal.
 229         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 230         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 231         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 232         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 233         * graphite-poly.h (struct poly_scattering): New.
 234         (struct poly_bb): Add original, transformed, and saved fields.
 235         Remove transformed_scattering, original_scattering, nb_local_variables,
 236         and nb_scattering_transform fields.
 237         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 238         (poly_scattering_new): New.
 239         (poly_scattering_free): New.
 240         (poly_scattering_copy): New.
 241         (store_scattering_pbb): New.
 242         (store_scattering): New.
 243         (restore_scattering_pbb): New.
 244         (restore_scattering): New.
 245         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 246         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 247
 248 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 249
 250         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 251         (print_scop): Same.
 252
 253 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 254
 255         * Makefile.in (graphite.o): Depends on PREDICT_H.
 256         * graphite.c: Include predict.h.
 257         (graphite_finalize): Call tree_estimate_probability.
 258         * predict.c (predict_loops): Do not call scev_initialize and
 259         scev_finalize.
 260         (tree_estimate_probability_bb): New.
 261         (tree_estimate_probability): Do not initialize loops: move that
 262         code to the driver.  Call tree_estimate_probability_bb.
 263         (tree_estimate_probability_driver): New.
 264         (pass_profile): Use tree_estimate_probability_driver.
 265         * predict.h (tree_estimate_probability): Declared.
 266
 267 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 270         * graphite-dependences.c (graphite_legal_transform): Add time to
 271         TV_GRAPHITE_DATA_DEPS.
 272         (dependency_between_pbbs_p): Same.
 273         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 274
 275 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 276
 277         * Merge from mainline (r149952:150372).
 278
 279 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 280
 281         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 282         * graphite-blocking.c: Same.
 283         * graphite-clast-to-gimple.c: Same.
 284         * graphite-dependences.c: Same.
 285         * graphite-poly.c: Same.
 286         * graphite-poly.h: Same.
 287         * graphite-ppl.c: Same.
 288         * graphite-scop-detection.c: Same.
 289         * graphite-sese-to-poly.c: Same.
 290         * graphite.c: Same.
 291
 292 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 293
 294         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 295         (remove_simple_copy_phi): New.
 296         (remove_invariant_phi): New.
 297         (simple_copy_phi_p): New.
 298         (reduction_phi_p): New.
 299         (gsi_for_ssa_name_def): New.
 300         (insert_out_of_ssa_copy): New.
 301         (insert_out_of_ssa_copy_on_edge): New.
 302         (create_zero_dim_array): New.
 303         (scalar_close_phi_node_p): New.
 304         (rewrite_close_phi_out_of_ssa): New.
 305         (rewrite_phi_out_of_ssa): New.
 306         (rewrite_reductions_out_of_ssa): New.
 307         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 308
 309         * testsuite/gcc.dg/graphite/id-11.c: New.
 310         * testsuite/gcc.dg/graphite/id-15.c: New.
 311         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 312         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 313         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 314         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 315         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 316         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 317         * testsuite/gfortran.dg/graphite/id-13.f: New.
 318         * testsuite/gfortran.dg/graphite/id-5.f: New.
 319
 320 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 321
 322         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 323         check that nb_reductions_in_loop is zero.
 324         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 325         reduction phi nodes.
 326         (nb_reductions_in_loop): Removed.
 327         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 328         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 329         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 330         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 331         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 332
 333 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 336         statements that have an empty iteration domain.
 337         * testsuite/gfortran.dg/graphite/id-16.f: New.
 338
 339 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         * tree-scalar-evolution.c (instantiate_scev_1): Return
 342         chrec_dont_know when the result is not above instantiate_below.
 343         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 344         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 345         the tree has a known scalar evolution.
 346         * testsuite/gfortran.dg/graphite/id-14.f: New.
 347         * testsuite/gfortran.dg/graphite/id-15.f: New.
 348
 349 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 350
 351         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 352         insert_gsi.
 353         (rename_variables): Keep inserting renames after the ones already
 354         inserted.
 355
 356 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 357
 358         * graphite-sese-to-poly.c (compare_bb_depths): New.
 359         (graphite_sort_dominated_info): New.
 360         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 361         (build_scop_scattering): Fix comment.
 362
 363 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 364
 365         * graphite.c (graphite_finalize): Call print_loops instead of
 366         dump_function_to_file.
 367         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 368         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 369         loops generated in the graphite output file.
 370         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 371         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 372         * testsuite/gfortran.dg/graphite/id-12.f: New.
 373
 374 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 375
 376         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 377         Remove 2 XFAIL.
 378
 379 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 380             Tobias Grosser  <grosser@fim.uni-passau.de>
 381
 382         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 383         alias set number build alias in ACCESSES polyhedron.
 384         (build_alias_set_for_drs): New.
 385         (build_pbb_drs): Added build_alias_set_for_drs.
 386         * graphite-dependences.c (poly_drs_may_alias_p): New.
 387         (graphite_carried_dependence_level_k): Check alias information
 388         before building polyhedron.
 389
 390 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 391
 392         * Makefile.in (lambda-code.o): Fix formatting.
 393
 394 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 395
 396         * Merge from mainline (r149350-149952)
 397
 398 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 399
 400         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 401         before interchange to prepare for loop blocking.
 402
 403 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 404
 405         * graphite-poly.c (apply_poly_transforms): Add checks after every
 406         transformation.
 407         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 408         done in apply_poly_transforms.
 409
 410 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 411
 412         * graphite-dependences.c (build_lexicographically_gt_constraint):
 413         Replace RES parameter with *RES.
 414         (dependence_polyhedron_1): Pass an address of the parameter RES
 415         instead of value of RES.
 416
 417 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite.c (graphite_finalize): Fix comment.
 420         (graphite_transform_loops): Reset scev info after code generation
 421         of each scop.
 422
 423 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * graphite.c (graphite_finalize): Call scev_reset.
 426
 427 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 428
 429         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 430         GBB_CLOOG_IV_TYPES hash table twice.
 431         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 432         (add_condition_to_domain): Clear GMP values.
 433
 434 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 435
 436         * graphite-dependences.c: Fix formatting.
 437         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 438         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 439         * graphite-sese-to-poly.c: Fix formatting.
 440         * graphite.c (graphite_transform_loops): Create the hash table
 441         after the early return.
 442
 443 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * testsuite/gcc.dg/graphite/id-14.c: New.
 446         * testsuite/gcc.dg/graphite/pr40157.c: New.
 447         * testsuite/gfortran.dg/graphite/id-11.f: New.
 448
 449 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 450
 451         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 452         (build_poly_scop): Return false when there are no pbbs within
 453         loops to avoid to pass to cloog scops with no loops.
 454
 455 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 456
 457         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 458         useless test "i % 2".
 459         (build_pbb_scattering_polyhedrons): Fix formatting.
 460         (build_poly_dr): Same.
 461         * graphite.c (graphite_transform_loops): Restructure.
 462
 463 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 464
 465         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 466         reduction_list parameter.
 467         (rewrite_all_phi_nodes_with_iv): Same.
 468         (canonicalize_loop_ivs): Same.
 469         * tree-parloops.c (struct brli): Removed.
 470         (build_reduction_list_info): Removed.
 471         (build_new_reduction): New.
 472         (analyze_reduction_list): Removed.
 473         (gather_scalar_reductions): Find reductions instead of phi
 474         nodes that can't be canonicalized.
 475         (try_create_reduction_list): Remove reduction_list parameter.
 476         (gen_parallel_loop): Same.
 477         (parallelize_loops): Remove analyze_reductions variable,
 478         initialization and free.
 479         Change reduction_list htab initialization to reduction_info
 480         elements instead of ssa names.
 481         Call try_create_reduction_list and gen_parallel_loop without
 482         analyzed_reduction argument.
 483         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 484         canonicalize_loop_ivs with one less argument.
 485         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 486
 487 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 488
 489         * graphite-dependences.c (new_poly_dr_pair): New.
 490         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 491         (new_poly_dr_pair): New.
 492         (eq_poly_dr_pair_p): New.
 493         (hash_poly_dr_pair_p): New.
 494         * graphite-dependences.h (struct poly_dr_pair): New.
 495         (eq_poly_dr_pair_p): Declared.
 496         (hash_poly_dr_pair_p): Declared.
 497         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 498         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 499         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 500         * Makefile.in (graphite-poly.o): Add dependence on
 501         graphite-dependences.h.
 502
 503 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 506         polynomials of degree > 1 pass to Graphite.
 507         * tree-chrec.c (scev_is_linear_expression): Call
 508         evolution_function_is_affine_multivariate_p.
 509         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 510
 511 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 514         Instantiate scevs varying in outer loops.
 515         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 516
 517 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 518
 519         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 520         redundant constraint.
 521
 522 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 525         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 526         based on the file names as in the C testsuite.
 527         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 528         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 529         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 530         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 531         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 532         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 533         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 534         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 535         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 536         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 537         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 538         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 539         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 540
 541 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         * sese.c (expand_scalar_variables_call): New.
 544         (expand_scalar_variables_ssa_name): Handle calls in expander.
 545
 546 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 549         Expect to see the pattern twice.
 550         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 551         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 552         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 553
 554 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 555
 556         * testsuite/gcc.dg/graphite/id-10.c: New.
 557         * testsuite/gcc.dg/graphite/id-12.c: New.
 558         * testsuite/gfortran.dg/graphite/id-7.f: New.
 559         * testsuite/gfortran.dg/graphite/id-8.f: New.
 560
 561 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 564         zero.
 565
 566 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 569
 570 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 573
 574 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 577         building PDR subscripts.
 578
 579 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 580
 581         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 582         computation of array sizes.
 583
 584 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 587
 588 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 589
 590         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 591         build_pairwise_constraint, dr_equality_constraints,
 592         build_pairwise_scheduling_equality,
 593         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 594         build_lexicographically_gt_constraint, dependence_polyhedron,
 595         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 596         Move from NNC_Polyhedron to C_Polyhedron.
 597         * graphite-interchange.c (compute_array_size_poly,
 598         gather_access_strides): Dito.
 599         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 600         free_scop, pbb_number_of_iterations): Dito.
 601         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 602         pbb_dim_iter_domain, struct scop): Dito.
 603         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 604         new_Cloog_Domain_from_ppl_Polyhedron,
 605         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 606         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 607         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 608         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 609         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 610         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 611         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 612         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 613         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 614         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 615         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 616         build_scop_iteration_domain, build_poly_dr): Dito
 617
 618 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 621         run-id-*.c files.
 622         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 623
 624 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 625
 626         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 627         positivity constraint on the symbolic number of iterations.
 628
 629 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 632
 633 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 634             Tobias Grosser  <grosser@fim.uni-passau.de>
 635
 636         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 637         (build_cloog_prog): Directly use SCOP_CONTEXT.
 638         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 639         (free_scop): Free SCOP_CONTEXT.
 640         (print_scop_context): New.
 641         (print_scop): Call print_scop_context.
 642         (debug_scop_context): New.
 643         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 644         (struct scop): Added field context.
 645         (SCOP_CONTEXT): New.
 646         * graphite-sese-to-poly.c (add_param_constraints): New.
 647         (build_scop_context): New.
 648         (build_poly_scop): Call build_scop_context.
 649
 650 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 651
 652         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 653         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 654         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 655         * graphite-ppl.h: Include double-int.h and tree.h.
 656         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 657         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 658         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 659         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 660
 661 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 664         POINTER_PLUS_EXPR for pointer types.
 665         (clast_to_gcc_expression): Same.
 666
 667 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         * graphite-poly.c (print_scattering_function): Early return when
 670         PBB_TRANSFORMED_SCATTERING is not initialized.
 671         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 672
 673 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 674
 675         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 676         to fix bootstrap.
 677
 678 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 679
 680         * tree-parloops.c (analyze_reduction_list): Change return
 681         value to void.
 682         (try_create_reduction_list): Move the call to
 683         analyze_reduction_list to the beginining.
 684         Call reduction_phi with analyzed_reductions as argument
 685         instead of reduction_list.
 686
 687 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 688
 689         *  Merge from mainline (r148296:149346)
 690
 691 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-scop-detection.c (graphite_can_represent_init): New.
 694         (graphite_can_represent_scev): Call graphite_can_represent_init:
 695         check that the initial value does not contain multiplications of
 696         parameters.
 697         (stmt_has_simple_data_refs_p): New.
 698         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 699         (is_simple_operand): Fix formatting.
 700         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 701
 702 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 703
 704         * testsuite/gcc.dg/graphite/id-13.c: New.
 705         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 706         analyze_scalar_evolution, use scalar_evolution_in_region.
 707         (scan_tree_for_params_right_scev): Add extra assert.
 708         (parameter_index_in_region_1): Split from parameter_index_in_region.
 709         (idx_record_params): Use scalar_evolution_in_region.
 710         (find_params_in_bb): Same.
 711         (find_scop_parameters): Same.
 712         (build_loop_iteration_domains): Same.
 713         (create_linear_expr_from_tree): Same.
 714         * sese.c (scalar_evolution_in_region): New.
 715         * sese.h (scalar_evolution_in_region): Declared.
 716         (defined_in_sese_p): New.
 717         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 718         static anymore.
 719         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 720         Declared.
 721
 722 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 723
 724         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 725         TREE_DATA_REF_H also implies SCEV_H.
 726
 727 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * graphite-poly.c (print_scop_params): New.
 730         (print_scop): Call print_scop_params.
 731         (debug_scop_params): New.
 732         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 733
 734 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 735
 736         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 737         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 738         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 739         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 740         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 741         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 742
 743 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 744
 745         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 746         for dependency checking part.
 747         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 748         tests for dependency checking.
 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: Add
 752         flag -fdump-tree-graphite-all for autopar testsuites.
 753
 754 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 755
 756         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 757         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 758         canonicalize_loop_ivs): Moved...
 759         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 760
 761 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         * tree-parloops.c (try_create_reduction_list): Pass an extra
 764         argument analyzed_reductions.  Call analyze_reduction_list.
 765         (gen_parallel_loop): Do not call analyze_reduction_list.
 766         (parallelize_loops): Init and finalize analyzed_reductions.
 767
 768 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 769
 770         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 771         Added flag -fno-loop-strip-mine for autopar testcase.
 772
 773 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 774
 775         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 776         transformed scattering dimension instead of unmatch orignal when
 777         calling dependence_polyhedron.
 778
 779 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 782
 783 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 786         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 787
 788 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 789
 790         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 791         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 792         * graphite-poly.c (pbb_number_of_iterations): New.
 793         * graphite-poly.h (pbb_number_of_iterations): Declared.
 794         (pbb_iterator_dim, pbb_parameter_dim): New.
 795
 796 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 797
 798         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 799         last commit on type of lower and upper bound of loops.
 800
 801 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 802
 803         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 804         graphite-dependences.h.
 805         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 806         (mark_bb_with_pbb): New.
 807         (get_stmtfor_depth): New.
 808         (find_pbb_via_hash): New.
 809         (dependency_in_loop_p): New.
 810         (mark_loops_parallel): New.
 811         (free_aux_in_new_loops): New.
 812         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 813         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 814         innermost loop parallel without checking.
 815         (gloog): Add parameter BB_PBB_MAPPING.
 816         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 817         (gloog): Change declaration.
 818         (mark_loop_parallel): Make extern.
 819         (free_aux_in_new_loops): Declare.
 820         (bb_pbb_map_hash): New.
 821         (eq_bb_pbb_map): New.
 822         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 823         auto parallelization when flag_graphite_force_parallel is set.
 824         (graphite_finalize): Added free_aux_in_new_loops.
 825         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 826         the innermost loop that marked parallel.  Use
 827         flag_graphite_force_parallel instead of loop->can_be_parallel.
 828         (loop_parallel_p): Move inner most checking out of function.
 829
 830 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 833         type of lower and upper bound of loops signed long int.
 834
 835 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 838         expression outside the loop.
 839
 840 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * gcc.dg/graphite/interchange-8.c: New.
 843
 844 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * gcc.dg/graphite/interchange-0.c: XFailed.
 847         * gcc.dg/graphite/interchange-5.c: XFailed.
 848         * gcc.dg/graphite/interchange-6.c: XFailed.
 849
 850 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 851
 852         * graphite-interchange.c (compute_array_size_poly): The end of the
 853         recursion should return 1.
 854
 855 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-interchange.c (compute_array_size_cstr): Allow the
 858         subscript multiplier to be -1.
 859         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
 860         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
 861         data_container.  Initializes PDR_DATA_CONTAINER.
 862         (print_pdr_access_layout): New.
 863         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
 864         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
 865         data_container.
 866         (PDR_DATA_CONTAINER): New.
 867         (new_poly_dr): Update declaration.
 868         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
 869         (build_poly_dr): Call pdr_add_data_dimensions.
 870
 871 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-poly.h (struct poly_dr): Fix comment.
 874         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
 875         (pdr_add_memory_accesses): New.
 876         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
 877
 878 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-poly.c (print_pdrs, debug_pdrs): New.
 881         (print_pbb): Add call to print_pdrs.
 882         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
 883
 884 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 885             Li Feng <nemokingdom@gmail.com>
 886
 887         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
 888         (dependency_between_pbbs_p): New.
 889         (lexicographically_gt_p): Assure !empty_p before polyhedron
 890         intersection assign.
 891         (build_lexicographically_gt_constraint): Correct lexicographically
 892         judging.
 893         * graphite-dependences.h: New.
 894         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
 895
 896 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 897
 898         * graphite-clast-to-gimple.c (print_clast_stmt): New.
 899         (gloog): Print to dump_file the generated clast.
 900         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
 901         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
 902
 903 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * graphite-poly.c (extend_scattering): Increment
 906         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
 907
 908 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 909
 910         * graphite-interchange.c (compute_array_size_poly): Added exit of
 911         recursion condition.  Continue iterating even after the first equality.
 912         (compute_array_size): Same.
 913
 914 2009-06-24  Li Feng  <nemokingdom@gmail.com>
 915
 916         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
 917         -fdump-tree-final_cleanup to -fdump-tree-optimized.
 918         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 919         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 920         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
 921
 922 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
 925         only when the use verifies is_gimple_reg.
 926
 927 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
 930         Allocate scaldims after call to unify_scattering_dimensions.
 931
 932 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 933
 934         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
 935
 936 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 937             Albert Cohen  <albert.cohen@inria.fr>
 938
 939         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
 940         variables for the strip mining.
 941
 942 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 943             Pranav Garg  <pranav.garg2107@gmail.com>
 944
 945         * Makefile.in (OBJS-common): Added graphite-blocking.o.
 946         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
 947         (graphite-blocking.o): New rule.
 948         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
 949         * graphite-blocking.c: New.
 950         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
 951         flag_loop_strip_mine.
 952         (psct_scattering_dim_for_loop_depth): New.
 953         * graphite-poly.h (scop_do_strip_mine): Declared.
 954         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
 955         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
 956         flag_loop_strip_mine.
 957
 958 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 959
 960         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
 961         a GMP value and a PPL coefficient at each iteration of a loop.
 962
 963 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 964
 965         * graphite-dependences.c (dependence_polyhedron): Do not use
 966         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
 967         pbb_nb_scattering_transform.
 968         (graphite_legal_transform_dr): Same.
 969         * graphite-poly.c (extend_scattering): Same.
 970         (unify_scattering_dimensions): Same.
 971         (print_scattering_function): Same.
 972         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
 973         PBB_NB_LOCAL_VARIABLES.
 974         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
 975         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
 976         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
 977         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
 978         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
 979         (pbb_nb_scattering_transform): New.
 980         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
 981         (psco_scattering_dim): Add assert on parameters.
 982         (psct_scattering_dim): Same.
 983         (psct_scattering_dim_for_loop_depth): Declared.
 984         (psct_local_var_dim): New.
 985         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
 986         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
 987         correct layout, call pbb_nb_local_vars.
 988         (psct_add_local_variable, psct_add_scattering_dimension): New.
 989         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 990         Initialize PBB_NB_SCATTERING_TRANSFORM.
 991
 992 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 993
 994         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
 995         (set_coef): Renamed ppl_set_coef.
 996         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
 997
 998 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 999
1000         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1001         test a boolean against 1.
1002         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1003         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1004         (pbb_do_interchange): Returns true when a transform has been performed.
1005         (scop_do_interchange): Same.
1006         * graphite-poly.c (apply_poly_transforms): Use the return value of
1007         scop_do_interchange.
1008         * graphite-poly.h (scop_do_interchange): Update declaration.
1009
1010 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1011
1012         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1013         after last use.
1014         * sese.c (sese_reset_aux_in_loops): New.
1015         * sese.h (sese_reset_aux_in_loops): New.
1016
1017 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1020         multiplier and multiply the constant by the multiplier.
1021         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1022         (build_poly_dr): Do not use the multiplier to define the subscript.
1023
1024 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1025
1026         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1027         compiler's data reference.  Initialize PDR_CDR.
1028         (print_pdr): Call dump_data_reference.
1029         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1030         Add compiler_dr field.
1031         (PDR_BB): Renamed PDR_PBB.
1032         (PDR_CDR): New.
1033         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1034         GCC's data reference representation.
1035         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1036         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1037
1038 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1039
1040         * graphite-poly.c (print_scattering_function): Also print the layout.
1041         * graphite-poly.h (pbb_nb_local_vars): New.
1042
1043 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1044
1045         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1046
1047 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         * graphite-poly.c (print_pdr, debug_pdr): New.
1050         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1051         (PDR_BASE): Removed.
1052
1053 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1054
1055         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1056         ltrans-{1..6,8}.c.
1057
1058 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1061         subscript identification column.
1062         (pbb_do_interchange): Print to dump_file that some loops "will be
1063         interchanged".  Rely on that chain of characters in the testcases.
1064         * gcc.dg/graphite/interchange-0.c: New.
1065         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1066         interchange-*.c files and compile them with -floop-interchange.
1067
1068 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1069
1070         * graphite-interchange.c (interchange_profitable_p): Renamed
1071         pbb_interchange_profitable_p.
1072
1073 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1074             Harsha Jagasia  <harsha.jagasia@amd.com>
1075             Pranav Garg  <pranav.garg2107@gmail.com>
1076
1077         * graphite-interchange.c (interchange_profitable_p): Make static.
1078         (pbb_interchange_loop_depths, pbb_do_interchange,
1079         scop_do_interchange): New.
1080         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1081         for flag_loop_interchange.
1082         * graphite-poly.h (scop_do_interchange): Declared.
1083         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1084         flag_loop_interchange is used.
1085
1086 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         * graphite-dependences.c (dependence_polyhedron): Update use of
1089         pbb_nb_scattering_dims.
1090         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1091         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1092         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1093         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1094
1095 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1096
1097         * graphite.c: Cleanup foo.
1098
1099 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * Merge from mainline (r143684:148293).
1102         * Disabled libpcp until it gets fixed.
1103
1104 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1105             Harsha Jagasia  <harsha.jagasia@amd.com>
1106
1107         * graphite-interchange.c: New.
1108         * Makefile.in (graphite-interchange.o): New.
1109         * graphite-poly.h (interchange_profitable_p): Declared.
1110         * graphite-ppl.h (value_max): New.
1111
1112 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1113
1114         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1115         * graphite-poly.h: Fix some comments.
1116         (pdr_dim): New.
1117         (pdr_scop): New.
1118
1119 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * graphite-poly.h
1122         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1123         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1124         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1125         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1126         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1127         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1128         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1129         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1130         * graphite-clast-to-gimple.c: Same.
1131         * graphite-dependences.c: Same.
1132         * graphite-poly.c: Same.
1133         * graphite-sese-to-poly.c: Same.
1134
1135 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1138         expressions for an IV rename, as returned by clast_to_gcc_expression.
1139         (copy_renames): Rename new_name to expr.
1140         * sese.c (debug_rename_elt): Same.
1141         (get_rename): Same.
1142         (set_rename): Same.
1143         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1144         the information from the rename map.
1145         (rename_variables_in_stmt): Same.
1146         (add_loop_exit_phis): Rename new_name to expr.
1147         (insert_loop_close_phis): Same.
1148         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1149         * sese.h (struct rename_map_elt): Rename new_name to expr.
1150         (new_rename_map_elt): Same.
1151
1152 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1155         * sese.c (set_rename): Make it extern.
1156         * sese.h (set_rename): Declared.
1157
1158 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * graphite-poly.c (extend_scattering): Free values.
1161         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1162         Free iterators.
1163         (ppl_print_powerset_matrix): Same.
1164         * graphite-scop-detection.c (free_scops_1): New.
1165         (limit_scops): Call free_scops_1.
1166         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1167         (build_poly_dr): Free PPL coefficients.
1168         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1169
1170 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         * graphite-dependences.c: New.
1173         * graphite-data-ref.c: Removed.
1174         * graphite-data-ref.h: Removed.
1175         * Makefile.in (graphite-data-ref.o): Removed.
1176         (graphite-dependences.o): Added.
1177         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1178         * graphite-poly.c: Same.
1179         Move the data dependence testing to graphite-dependences.c.
1180
1181 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1182
1183         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1184         from graphite_cannot_represent_loop. Code refactored.
1185         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1186
1187 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1188
1189         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1190         Cover all the testcases (not only the filtered ones).
1191
1192 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1193
1194         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1195         unnecessary check. Update comments. Move check for REAL_TYPE here.
1196         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1197         done in (stmt_simple_for_scop_p).
1198
1199 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1200
1201         * graphite.c (print_global_statistics): New.
1202         (print_graphite_scop_statistic): New.
1203         (print_graphite_statistics): New.
1204         (graphite_initialize, graphite_transform_loops): Print statistics.
1205         * graphite-scop-detection (build_scops): Print statistics.
1206         (print_graphite_scop_statistics): New.
1207         (print_graphite_statistics): New.
1208
1209 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1210
1211         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1212         (debug_clast_name_index): Removed.
1213         (debug_clast_name_indexes_1): Removed.
1214         (debug_clast_name_indexes): Removed.
1215         (clast_name_index_elt_info): Removed.
1216         (eq_clast_name_indexes): Removed.
1217         (clast_name_to_index): Removed.
1218         (new_clast_name_index): Removed.
1219         (save_clast_name_index): Removed.
1220         (save_var_name): Moved...
1221         (init_sese_params_index): Removed.
1222         (clast_name_to_gcc): Remove use of name_tree.
1223         (initialize_cloog_names): Same.
1224         (gloog): Do not call init_sese_params_index.
1225         * graphite-sese-to-poly.c (save_var_name): ...here.
1226         (parameter_index_in_region): New.
1227         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1228         (parameter_index_in_region): Removed.
1229         (is_parameter): Remove use of name_tree.
1230         * sese.h (struct name_tree): Removed.
1231         (struct sese): Remove use of name_tree.  New field params_names.
1232         (SESE_PARAMS_NAMES): New.
1233         (SESE_PARAMS): Remove duplicate.
1234         (parameter_index_in_region): Removed.
1235         (sese_nb_params): Remove use of name_tree.
1236         (struct clast_name_index): New.
1237         (new_clast_name_index): New.
1238         (clast_name_to_index): New.
1239         (save_clast_name_index): New.
1240         (debug_clast_name_index): New.
1241         (debug_clast_name_indexes_1): New.
1242         (debug_clast_name_indexes): New.
1243         (clast_name_index_elt_info): New.
1244         (eq_clast_name_indexes): New.
1245
1246 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1249         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1250         (graphite_loop_normal_form): Do not pass region.  Do not
1251         initialize SESE_OLDIVS.
1252         (build_graphite_loop_normal_form): Update call to
1253         graphite_loop_normal_form.
1254         * sese.c (debug_oldivs): Removed.
1255         (new_sese): Do not initialize SESE_OLDIVS.
1256         (free_sese): Do not free SESE_OLDIVS.
1257         (oldiv_for_loop): Removed.
1258         * sese.h (struct sese): Remove old_ivs.
1259         (SESE_OLDIVS): Removed.
1260         (oldiv_for_loop): Removed.
1261
1262 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1265         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1266         replaced by a call to newivs_to_depth_to_newiv.
1267         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1268         (clast_to_gcc_expression_red): Same.
1269         (gcc_type_for_clast_expr): Same.
1270         (gcc_type_for_clast_eq): Same.
1271         (graphite_translate_clast_equation): Same.
1272         (graphite_create_guard_cond_expr): Same.
1273         (graphite_create_new_guard): Same.
1274         (graphite_create_new_loop): Same.
1275         (build_iv_mapping): Same.
1276         (translate_clast): Same.
1277         (gloog): Same.
1278         (loop_iv_stack_patch_for_consts): Removed.  *
1279         sese.c (iv_stack_entry_is_constant): Removed.
1280         (iv_stack_entry_is_iv): Removed.
1281         (loop_iv_stack_push_iv): Removed.
1282         (loop_iv_stack_insert_constant): Removed.
1283         (loop_iv_stack_pop): Removed.
1284         (loop_iv_stack_get_iv): Removed.
1285         (loop_iv_stack_get_iv_from_name): Removed.
1286         (debug_loop_iv_stack): Removed.
1287         (free_loop_iv_stack): Removed.
1288         (loop_iv_stack_remove_constants): Removed.  *
1289         sese.h (iv_stack_entry_kind): Removed.
1290         (iv_stack_entry_data_union): Removed.
1291         (iv_stack_entry_struct): Removed.
1292         (iv_stack_entry_p): Removed.
1293         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1294         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1295         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1296         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1297         (gbb_loop_at_index): Fix indenting.
1298         (gbb_loop_index): Removed.
1299
1300 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1303         Call clast_name_to_index.
1304
1305 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1306
1307         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1308         do not pass params.  Get params from SESE_PARAMS.
1309         (clast_to_gcc_expression): Same.
1310         (clast_to_gcc_expression_red): Same.
1311         (gcc_type_for_clast_eq): Same.
1312         (graphite_translate_clast_equation): Same.
1313         (graphite_create_new_loop): Same.
1314         * sese.c (rename_variables_in_stmt): Fix comment.
1315
1316 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1319         newivs_index.
1320         Call save_clast_name_index.
1321         (translate_clast): Pass newivs_index.
1322         (gloog): Create and free newivs_index.
1323
1324 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1327         (clast_name_index_p): New type.
1328         (debug_clast_name_index): New.
1329         (debug_clast_name_indexes_1): New.
1330         (debug_clast_name_indexes): New.
1331         (clast_name_index_elt_info): New.
1332         (eq_clast_name_indexes): New.
1333         (clast_name_to_index): New.
1334         (new_clast_name_index): New.
1335         (save_clast_name_index): New.
1336         (init_sese_params_index): New.
1337         (gloog): Call init_sese_params_index.
1338         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1339         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1340         (free_sese): Free SESE_PARAMS_INDEX.
1341         * sese.h (struct sese): Add params_index.
1342         (SESE_PARAMS_INDEX): New.
1343
1344 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1347         (graphite_create_new_loop): Pass the newivs vector.  Push the
1348         newly created IV to newivs.
1349         (translate_clast): Pass the newivs vector.
1350         (gloog): Create and destroy the newivs vector.
1351
1352 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1355         (graphite_loop_normal_form): Initialize loop->aux with the unique
1356         IV that has been created.
1357
1358 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1359
1360         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1361         scev with parameters in the base part. They where forbidden
1362         exidently.
1363
1364 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1365
1366         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1367         compile options by file names.
1368         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1369         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1370         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1371         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1372
1373 2009-05-08  Li Feng <nemokingdom@gmail.com>
1374
1375         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1376         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1377         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1378         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1379
1380 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1381
1382         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1383         by final cleanup.
1384
1385 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1386
1387         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1388         allow integer constant strides.
1389         (graphite_can_represent_expr): Depend on outermost_loop.
1390         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1391         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1392         build_scops_1): Same.
1393         (scopdet_basic_block_info): Same and insert layered SCoP
1394         detection.
1395         (try_generate_gimple_bb): Cleanup.
1396         (build_scops): Enable data references.
1397
1398         * testsuite/gcc.dg/graphite/id-5.c: New.
1399         * testsuite/gcc.dg/graphite/id-9.c: New.
1400         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1401         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1402
1403 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1404
1405         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1406         that we have not yet built for this SCoP.
1407
1408 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1409
1410         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1411         for complex numbers.
1412
1413 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1414
1415         * graphite-ppl.c: Fix build if cloog is not available.
1416
1417 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1418
1419         * tree-parloops.c (loop_parallel_p): Remove construction of
1420         NITER and REDUCTION_LIST.
1421         (try_get_loop_niter): New.
1422         (try_create_reduction_list): New.
1423         (parallelize_loops): Bypass the failed checkings in autopar
1424         when can_be_parallel in loop structure is set to true.
1425
1426 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1427
1428         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1429         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1430
1431 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1432
1433         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1434         Enable EQ_EXPR and NE_EXPR again.
1435
1436 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1437
1438         * graphite-scop-detection.c (graphite_can_represent_scev):
1439         Add check if scev is affine multivariate.
1440         (harmful_stmt_in_bb): Check if we can represent the conditions.
1441         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1442         harmful_stmt_in_bb.
1443         * testsuite/gcc.dg/graphite/id-7.c: New.
1444
1445 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1446
1447         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1448         Check all bbs in region, not only the bbs that are represented in
1449         GRAPHITE.
1450         (build_poly_scop): Add newline.
1451         * testsuite/gcc.dg/graphite/id-8.c: New.
1452
1453 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1454
1455         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1456         when loop initialize.
1457         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1458         * common.opt: Declare flag_graphite_force_parallel.
1459         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1460         loop parallel.
1461         * graphite-poly.c (apply_poly_transforms): Introduce
1462         flag_graphite_force_parallel.
1463         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1464         * toplev.c (process_options): ditto and replace a not correctly
1465         encoded space.
1466
1467 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1468
1469         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1470         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1471         to the redefinition.
1472         (compute_cloog_iv_types_1): ditto.
1473         (build_iv_mapping): ditto.
1474         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1475         initialization.
1476         (free_gimple_bb): Removed GBB_LOOPS related free part.
1477         (build_bb_loops): Removed.
1478         * sese.h (struct gimple_bb): Removed loops.
1479         (GBB_LOOPS): Removed.
1480         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1481         (gbb_loop_index): ditto.
1482
1483 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1484
1485         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1486         allow non constant strides.
1487         * testsuite/gcc.dg/graphite/scop-20.c: New.
1488
1489 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * graphite-scop-detection.c (dot_all_scops): Fix system call
1492         return value warning.
1493         (dot_scop): Same.
1494
1495 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1496
1497         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1498         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1499
1500 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1503         build_pairwise_constraint, dr_equality_constraints,
1504         build_pairwise_scheduling_equality,
1505         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1506         build_lexicographically_gt_constraint, dependence_polyhedron,
1507         graphite_legal_transform_dr, graphite_legal_transform_bb,
1508         graphite_legal_transform): New.
1509         * graphite-poly.h (graphite_legal_transform): Declared.
1510         * graphite-sese-to-poly.c (build_poly_scop): Call to
1511         graphite_legal_transform is disabled for the moment.
1512
1513 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite-poly.h (pbb_nb_scattering_dims): New.
1516         (pbb_nb_scattering): Use it.
1517
1518 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1521         Pointset_Powerset version of ppl_insert_dimensions.
1522         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1523
1524 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1527
1528 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-poly.h: Fix comment.
1531
1532 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1535
1536 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1537
1538         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1539         statements.
1540
1541 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1542
1543         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1544         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1545         conditions.
1546
1547 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1550         handle EQ_EXPR and NE_EXPR.
1551
1552 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1553
1554         * graphite-poly.h (poly_dr): Fix comment.
1555
1556 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1557             Tobias Grosser  <grosser@fim.uni-passau.de>
1558
1559         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1560         with a zero dimension polyhedron.
1561         (find_scop_parameters): Move the call to scop_set_nb_params here.
1562         (build_loop_iteration_domains): Store in loop->aux the iteration
1563         domain polyhedron.
1564         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1565         by any loop in scop.
1566         (build_poly_scop): Do not call scop_set_nb_params.
1567
1568 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1569             Tobias Grosser  <grosser@fim.uni-passau.de>
1570
1571         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1572         add_condition_to_domain not GT_EXPR.
1573
1574 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1575
1576         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1577         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1578         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1579         upper_bound_assign to calculate unions.
1580         * testsuite/gcc.dg/graphite/id-6.c: New.
1581
1582 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1583
1584         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1585         handle abnormal edges.
1586
1587 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1588
1589         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1590         (free_poly_bb): Also free poly_drs.
1591         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1592         (poly_dr): Polyhedron to Pointset_Powerset.
1593         (pdr_accessp_nb_subscripts): Same.
1594         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1595         poly_drs.
1596
1597 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1598
1599         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1600         names into more meaningful names.
1601
1602 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1605         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1606
1607 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1608
1609         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1610         the reduction_list.
1611         * tree-parloops.c (rewrite_phi_with_iv): New.
1612         (rewrite_all_phi_nodes_with_iv): New.
1613         (canonicalize_loop_ivs): Call them.
1614
1615 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1618         graphite_find_data_references_in_stmt.
1619         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1620         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1621
1622 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1625
1626 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1629         instead of bb_in_region.
1630         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1631         (build_sese_conditions): Use flag_bb_in_sese.
1632         * sese.c (register_bb_in_sese): Removed.
1633         (new_sese): Remove initialization of SESE_REGION_BBS.
1634         (free_sese): Do not free SESE_REGION_BBS.
1635         * sese.h (struct sese): Remove field region_basic_blocks.
1636         (SESE_REGION_BBS): Removed.
1637         (bb_in_sese_p): Implement in function of bb_in_region.
1638
1639 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1642         loops.
1643
1644 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1645
1646         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1647         and EQ_EXPR.
1648         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1649         (add_condition_to_domain): New.
1650         (add_condition_to_pbb): New.
1651         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1652         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1653
1654 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1655
1656         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1657         ppl_Pointset_Powerset.
1658         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1659         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1660         (pbb_nb_loops): Same.
1661         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1662         add_conditions_to_domain): Same.
1663         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1664         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1665         ppl_const_Polyhedron_t.
1666         (ppl_print_powerset_matrix): New.
1667         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1668         ppl_print_powerset_matrix): New.
1669         (ppl_print_polyhedron_matrix): Updated.
1670
1671 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1674
1675 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1678         (print_iteration_domains, debug_iteration_domain,
1679         debug_iteration_domains): New.
1680         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1681         debug_iteration_domains): Declared.
1682         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1683         indenting.
1684
1685 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1686             Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * graphite-poly.h (print_iteration_domain): New.
1689         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1690         (build_sese_conditions_1, build_sese_conditions_after,
1691         build_sese_conditions_before): New.
1692         (build_sese_conditions): Rewritten.
1693
1694 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1695             Tobias Grosser  <grosser@fim.uni-passau.de>
1696
1697         Cleanup of code generation liveouts.
1698         * graphite-clast-to-gimple.c (translate_clast): Use a single
1699         rename_map instead of one per translated statement.
1700         Do not use SESE_LIVEOUT_RENAMES.
1701         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1702         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1703         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1704         phi node of a reduction: when a loop contains a reduction used outside
1705         the loop, there should be a scalar close phi node on the exit block.
1706         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1707         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1708         (free_sese): Do not free them.
1709         (sese_build_liveouts_use): Do not use them.
1710         (sese_build_liveouts_bb): Same.
1711         (sese_build_liveouts): Same.
1712         (sese_insert_phis_for_liveouts): Same.
1713         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1714         (defined_in_loop_p): New.
1715         (alive_after_loop): New.
1716         (close_phi_not_yet_inserted_p): New.
1717         (struct alep, alep_p): New.
1718         (add_loop_exit_phis): Remove from the rename_map all the names defined
1719         in the code generated loop.
1720         (insert_loop_close_phis): Traverse the rename_map passed to it.
1721         Don't use SESE_LIVEOUT_RENAMES.
1722         (default_liveout_before_guard): Renamed default_before_guard.
1723         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1724         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1725         (register_sese_liveout_renames): Removed.
1726         (copy_bb_and_scalar_dependences): Do not call it.
1727         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1728         reduction_list.
1729         (SESE_LIVEOUT): Removed.
1730         (SESE_LIVEOUT_RENAMES): Removed.
1731         (SESE_REDUCTION_LIST): Removed.
1732         (sese_build_liveouts): Removed.
1733         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1734         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1735         (insert_guard_phis): Same.
1736         (rename_map_elt): Declare a VEC of them.
1737         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1738         trees not pointers to trees.
1739
1740         Rewrite in canonical close SSA form:
1741         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1742         (limit_scops): Close the scop after the block containing the close phi
1743         nodes.
1744         (canonicalize_loop_closed_ssa): New.
1745         (canonicalize_loop_closed_ssa_form): New.
1746         (build_scops): Call canonicalize_loop_closed_ssa_form.
1747
1748         * graphite-sese-to-poly.c: Fix typos.
1749
1750 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1751
1752         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1753         Extended.
1754         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1755         (print_pbb): Add conditions.
1756
1757 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1758             Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1761         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1762         (build_scop_bbs_1): New.
1763         (build_scop_bbs): Rewrite.
1764         * sese.h (bb_in_region): New.
1765
1766 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1767
1768         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1769         poly_drs vector.
1770         (print_scop): Style.
1771         * graphite-poly.h (poly_bb): Add drs vector.
1772         (PBB_DRS): Add accessor.
1773         * graphite-sese-to-poly.c (build_poly_dr): New.
1774         (build_pbb_drs, build_scop_drs): New.
1775         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1776
1777 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1778
1779         * tree-ssa-loop.c: Include forgotten toplev.h
1780
1781 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1782
1783         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1784         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1785         * testsuite/gcc.dg/graphite/pr37928.c: Same
1786         * testsuite/gcc.dg/graphite/pr38409.c: Same
1787         * testsuite/gcc.dg/graphite/pr38498.c: Same
1788         * testsuite/gcc.dg/graphite/pr38559.c: Same
1789         * testsuite/gcc.dg/graphite/pr39335.c: Same
1790         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1791         * testsuite/gfortran.dg/graphite/block-2.f: Same
1792         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1793         with -floop-*.
1794
1795 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1796
1797         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1798         build_access_matrix, build_scop_data_accesses): Remove access function
1799         building. (We get a new version soon).
1800         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1801         * sese.h (nb_loops_around_loop_in_sese): Remove.
1802         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1803
1804 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1805             Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-scop-detection.c (struct scopdet_info): Rename last
1808         field to exit.
1809         (scopdet_basic_block_info, build_scops_1): Don't use
1810         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1811
1812 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1813             Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1816         * sese.c (sese_build_liveouts_use): Renamed from
1817         sese_build_livein_liveouts_use. Remove liveins.
1818         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1819         Call sese_build_liveouts_use.
1820         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1821         Call sese_build_liveouts_bb.
1822         (new_sese, free_sese): Remove liveins.
1823         (sese_add_exit_phis_var): Deleted.
1824         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1825         directly.
1826         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1827
1828         * sese.h (sese): Remove num_ver and livein.
1829         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1830
1831 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1832
1833         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1834
1835 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1836
1837         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1838         (build_scop_scattering): Do not use compare_prefix_loops any more.
1839         (nb_common_loops): New.
1840
1841 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1844         (register_old_and_new_names): Renamed set_rename.
1845
1846 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1847
1848         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1849         of the decl from the previous commit.
1850
1851 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-scop-detection.c (dot_scop): New.
1854         * graphite-scop-detection.h (dot_scop): Declared.
1855
1856 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1859
1860 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1863         condition at the end of the loop.
1864         * graphite.c (graphite_initialize, graphite_finalize): Print to
1865         dump_file the compiled function.
1866         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1867         of create_empty_loop_on_edge.
1868         (translate_clast): Update the code generation of loops for the new
1869         shape of loops.
1870         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1871
1872 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         Reverted the patch from 2009-03-19.
1875
1876 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1877
1878         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1879         poly_drs vector.
1880         (print_scop): Style.
1881         * graphite-poly.h (poly_bb): Add drs vector.
1882         (PBB_DRS): Add accessor.
1883         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
1884         (build_access_matrix_with_af, build_access_matrix,
1885         build_scop_data_accesses): Delete.
1886         (build_poly_dr): New.
1887         (build_pbb_drs, build_scop_drs): New.
1888         (build_poly_scop): call build_scop_drs.
1889
1890 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1893         once per basic block.
1894
1895 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1896
1897         * graphite-scop-detection.c (graphite_can_represent_scev): New.
1898         (graphite_can_represent_expr): Renamed from loop_affine_expr
1899         and enhanced.
1900         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
1901         (graphite_cannot_represent_loop): Add scop_entry to parameters.
1902         (scopdet_basic_block_info): Actually define entry_block.
1903         (stmt_simple_memref_p): Moved here from ...
1904
1905         * tree-data-ref.c (stmt_simple_memref_p): here.
1906         * tree-data-ref.h (stmt_simple_memref_p): Removed.
1907
1908 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1909
1910         * testsuite/gcc.dg/graphite/id-4.c: New.
1911
1912 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1915         (register_old_and_new_names): Update the content of the map.
1916         When there was already a rename_map_elt in the map at that
1917         location, free it.
1918         (copy_bb_and_scalar_dependences): Do rename_variables after
1919         expand_scalar_variables.
1920         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1921         of the map.  When there was already a rename_map_elt in the
1922         map at that location, free it.
1923         (translate_clast): Pass the rename_map.  Do not initialize and free
1924         a rename_map per stmt_user.
1925         (gloog): Initialize and free one rename_map and pass it to
1926         translate_clast.
1927
1928 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         * sese.c (expand_scalar_variables_stmt,
1931         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
1932         parameter.
1933         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
1934         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
1935         the gimple_stmt_iterator of the statement to be expanded.
1936         * graphite-scop-detection.c (is_simple_operand): Do handle
1937         REALPART_EXPR.
1938
1939 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1940
1941         * graphite-scop-detection.c (is_simple_operand): Do not handle
1942         REALPART_EXPR.
1943         * testsuite/gcc.dg/graphite/id-2.c: New.
1944
1945         * graphite-sese-to-poly.c (build_bb_loops,
1946         add_value_to_dim, scan_tree_for_params_right_scev,
1947         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
1948         find_params_in_bb, build_loop_iteration_domains,
1949         add_conditions_to_domain): Remove subtract.
1950
1951 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1952
1953         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
1954         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
1955         pbb_loop_at_index -> gbb_loop_at_index.
1956         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
1957         (debug_loop_vec): Delete.
1958         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
1959         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
1960         (PBB_LOOPS): Removed.
1961         (PBB_BLACK_BOX): Insert cast.
1962         (pbb_set_black_box): New setter.
1963         (pbb_loop_at_index, pbb_loop_index): Removed.
1964         (scop_set_region, scop_set_nb_params): New.
1965         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
1966         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
1967         (build_poly_scop): Use scop_set_nb_params.
1968         * sese.h (gimple_bb): Add LOOPS.
1969         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
1970
1971 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1972
1973         Revert previous commit.
1974
1975 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1978         (register_old_and_new_names): Update the content of the map.
1979         When there was already a rename_map_elt in the map at that
1980         location, free it.
1981         (copy_bb_and_scalar_dependences): Do rename_variables after
1982         expand_scalar_variables.
1983         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1984         of the map.  When there was already a rename_map_elt in the
1985         map at that location, free it.
1986         (translate_clast): Pass the rename_map.  Do not initialize and free
1987         a rename_map per stmt_user.
1988         (gloog): Initialize and free one rename_map and pass it to
1989         translate_clast.
1990
1991 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1992
1993         Remove forgotten line in revert.
1994
1995 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         Revert previous commit.
1998
1999 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2000
2001         * sese.c (register_old_and_new_names): Update the content
2002         of the map.  When there was already a rename_map_elt in the
2003         map at that location, free it.
2004         (copy_bb_and_scalar_dependences): Do rename_variables after
2005         expand_scalar_variables.
2006         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2007         of the map.  When there was already a rename_map_elt in the
2008         map at that location, free it.
2009         (translate_clast): Pass the rename_map.  Do not initialize and free
2010         a rename_map per stmt_user.
2011         (gloog): Initialize and free one rename_map and pass it to
2012         translate_clast.
2013
2014 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2015
2016         * graphite-clast-to-gimple.c (translate_clast): context_loop
2017         is never NULL.
2018
2019 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2020             Sebastian Pop  <sebastian.pop@amd.com>
2021
2022         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2023         of the use of ppl_Polyhedron_map_space_dimensions.
2024
2025 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2026             Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2029         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2030         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2031         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2032         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2033         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2034         pbb_nb_params): New.
2035         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2036         nb_loops_around_pbb): Adapt return types.
2037
2038 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2039
2040         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2041         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2042         graphite-scop-detection.o, graphite-poly.o): Add
2043         more headers.
2044
2045 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2046
2047         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2048         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2049         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2050
2051 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2052
2053         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2054         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2055         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2056         * testsuite/gcc.dg/graphite/block-0.c: Same.
2057         * testsuite/gcc.dg/graphite/block-1.c: Same.
2058         * testsuite/gcc.dg/graphite/block-2.c: Same.
2059         * testsuite/gcc.dg/graphite/block-3.c: Same.
2060         * testsuite/gcc.dg/graphite/block-4.c: Same.
2061         * testsuite/gcc.dg/graphite/block-5.c: Same.
2062         * testsuite/gcc.dg/graphite/block-6.c: Same.
2063         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2064         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2065         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2066         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2067         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2068         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2069         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2070         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2071         * opts.c: Remove -floop-block from -O2.
2072         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2073         -floop-strip-mine are used.
2074
2075 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2076             Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2079         dimensions.
2080         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2081         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2082         strip_mine_profitable_p, is_interchange_valid,
2083         graphite_trans_bb_block, graphite_trans_loop_block,
2084         graphite_trans_scop_block): Temporary removed.
2085         (extend_scattering, unify_scattering_dimensions): New.
2086         (print_scattering_function, graphite_read_transforms):
2087         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2088         (graphite_generate_scattering_fns): Removed.
2089         (apply_poly_transforms): Cleanup.
2090         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2091         (schedule_to_scattering): Moved.
2092         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2093         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2094         (pbb_nb_scattering): New.
2095         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2096         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2097         Removed.
2098         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2099         shift_poly.
2100         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2101         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2102         -> PBB_TRANSFORMED_SCATTERING.
2103         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2104         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2105         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2106         (check_poly_representation): Do not return bool.
2107         (graphite_transform_loops): Reformat.
2108         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2109
2110 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2113         debug_pbb_domain, debug_pbb, debug_scop): New.
2114         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2115         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2116
2117 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         PR middle-end/39335
2120         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2121         when the type precision of the induction variable should be
2122         larger than the type precision of nit.
2123         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2124         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2125         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2126
2127         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2128         * testsuite/gcc.dg/graphite/pr39335.c: New.
2129
2130 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2131
2132         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2133         SSA_NAMES not struct reduction_info.
2134
2135 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2136
2137         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2138
2139 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2140             Tobias Grosser  <grosser@fim.uni-passau.de>
2141
2142         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2143         (free_sese): Free SESE_REDUCTION_LIST.
2144         * sese.h (struct sese): Add field reduction_list.
2145         (SESE_REDUCTION_LIST): New.
2146         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2147         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2148
2149 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2150             Tobias Grosser  <grosser@fim.uni-passau.de>
2151
2152         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2153         of loop_p.
2154
2155 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2156             Tobias Grosser  <grosser@fim.uni-passau.de>
2157
2158         * tree-parloops.c (struct brli, build_reduction_list_info,
2159         analyze_reduction_list, gather_scalar_reductions): New.
2160         (loop_parallel_p): Build a reduction list containing only
2161         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2162         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2163         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2164         * tree-flow.h (gather_scalar_reductions): Declared.
2165
2166 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2167
2168         PR middle-end/39308
2169         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2170         number_of_iterations_exit from a gcc_assert.
2171
2172 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2173             Jan Sjodin  <jan.sjodin@amd.com>
2174
2175         * output.h (graphite_out_file, graphite_in_file): Declared.
2176         * toplev.c (graphite_out_file, graphite_in_file): New.
2177         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2178         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2179         Don't call schedule_to_scattering.
2180         * common.opt (fgraphite-write, fgraphite-read): New.
2181         * graphite-poly.c: Include output.h.
2182         (print_scattering_function, print_scattering_functions,
2183         debug_scattering_function, debug_scattering_functions,
2184         graphite_write_transforms, graphite_read_transforms,
2185         graphite_generate_scattering_fns): New.
2186         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2187         Call graphite_generate_scattering_fns, graphite_write_transforms,
2188         graphite_read_transforms.
2189         (new_poly_bb): Initialize PBB_SCATTERING.
2190         (free_poly_bb): Free PBB_SCATTERING.
2191         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2192         * graphite-poly.h (struct poly_bb): Add field scattering.
2193         (PBB_SCATTERING): New.
2194         (print_scattering_function, print_scattering_functions,
2195         debug_scattering_function, debug_scattering_functions): Declared.
2196         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2197         GMP values, not integers!
2198         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2199         ppl_read_polyhedron_matrix): New.
2200         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2201         debug_ppl_polyhedron_matrix,
2202         ppl_read_polyhedron_matrix): Declared.
2203         * Makefile.in (graphite-poly.o): Depends on output.h.
2204
2205 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2206             Tobias Grosser  <grosser@fim.uni-passau.de>
2207
2208         Revert this change:
2209         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2210         scalar evolutions in the scop_entry->loop_father.
2211
2212 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2213             Tobias Grosser  <grosser@fim.uni-passau.de>
2214
2215         * graphite.h (ref_nb_loops): Remove declaration.
2216         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2217         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2218         debug_gbb): Moved to sese.h.
2219         * sese.h: As said.
2220
2221 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2222             Tobias Grosser  <grosser@fim.uni-passau.de>
2223
2224         * graphite-data-ref.[ch]: Disable.
2225
2226 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2227             Tobias Grosser  <grosser@fim.uni-passau.de>
2228
2229         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2230         scalar evolutions in the scop_entry->loop_father.
2231
2232 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2235         (graphite_cannot_represent_loop_niter): Renamed
2236         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2237         (limit_scops): build_sese_loop_nests does not return a bool.
2238         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2239         * sese.c (nb_reductions_in_loop): ... from here.
2240         (graphite_loop_normal_form): ... from here.
2241         (sese_record_loop): Does not fail, so does not return a bool.
2242         (build_sese_loop_nests): Same.
2243         * sese.h (build_sese_loop_nests): Update declaration.
2244         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2245         (build_graphite_loop_normal_form): New.
2246         (gloog): Call build_graphite_loop_normal_form.
2247         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2248         build_sese_loop_nests.
2249
2250         * testsuite/gcc.dg/graphite/id-1.c: New.
2251
2252 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2253             Tobias Grosser  <grosser@fim.uni-passau.de>
2254
2255         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2256         The SCoP detection fix is sufficient.
2257
2258 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         PR tree-optimization/39260
2261         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2262         the basic block contains a condition with a real type.
2263         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2264
2265         * gcc.dg/graphite/pr39260.c: New.
2266
2267 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-poly.c: Inlcude params.h.
2270         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2271         the size of a tile.
2272         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2273         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2274
2275 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2276             Tobias Grosser  <grosser@fim.uni-passau.de>
2277
2278         * graphite-scop-detection.c (dot_all_scops_1,
2279         dot_all_scops): Moved here.
2280         * graphite-scop-detection.h (dot_all_scops): Declared here.
2281         * graphite.c (graphite_initialize, graphite_finalize): New.
2282         (graphite_transform_loops): Cleaned up.
2283         * sese.c (debug_oldivs): Moved here.
2284         * graphite-poly.c (graphite_apply_transformations): Renamed
2285         apply_poly_transforms.
2286         (debug_loop_vec): Moved here.
2287         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2288         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2289         find_scop_parameters, build_scop_iteration_domain,
2290         add_conditions_to_constraints, build_scop_canonical_schedules,
2291         build_scop_data_accesses): Now static.
2292         (build_poly_scop, check_poly_representation): New.
2293
2294 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2297         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2298         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2299         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2300         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2301         scan_tree_for_params, struct irp_data, dx_record_params,
2302         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2303         build_loop_iteration_domains, add_conditions_to_domain,
2304         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2305         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2306         build_sese_conditions, add_conditions_to_constraints,
2307         build_scop_iteration_domain, build_access_matrix_with_af,
2308         build_access_matrix,
2309         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2310
2311         * graphite-sese-to-poly.c: New.
2312         * graphite-sese-to-poly.h: New.
2313
2314         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2315
2316 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * graphite.c: Split graphite code generation to a new file.
2319         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2320         max_precision_type, clast_to_gcc_expression_red,
2321         clast_to_gcc_expression, gcc_type_for_clast_expr,
2322         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2323         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2324         graphite_create_new_guard, clast_get_body_of_loop,
2325         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2326         graphite_create_new_loop, build_iv_mapping, copy_renames,
2327         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2328         compute_cloog_iv_types, free_scattering, save_var_name,
2329         initialize_cloog_names, build_scop_context, build_cloog_prog,
2330         set_cloog_options, debug_clast_stmt, scop_to_clast,
2331         print_generated_program, debug_generated_program,
2332         gloog): Moved to graphite-clast-to-gimple.c.
2333
2334         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2335
2336         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2337         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2338         loop_iv_stack_pop, loop_iv_stack_get_iv,
2339         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2340         free_loop_iv_stack, loop_iv_stack_remove_constants,
2341         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2342         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2343         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2344         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2345         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2346         get_vdef_before_sese, sese_adjust_vphi,
2347         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2348         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2349         is_iv, expand_scalar_variables_ssa_name,
2350         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2351         expand_scalar_variables, rename_variables, remove_condition,
2352         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2353         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2354         default_liveout_before_guard, add_guard_exit_phis,
2355         insert_guard_phis, register_old_and_new_names,
2356         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2357         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2358         if_region_set_false_region, create_if_region_on_edge,
2359         move_sese_in_condition): Moved to sese.c.
2360
2361         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2362         if_region_exit, if_region_get_condition_block,
2363         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2364         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2365         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2366         ivtype_map_elt, new_ivtype_map_elt,
2367         recompute_all_dominators): Moved to sese.h.
2368
2369         * graphite-clast-to-gimple.c: New.
2370         * graphite-clast-to-gimple.h: New.
2371         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2372         * sese.c: Modified as said above.
2373         * sese.h: Same.
2374
2375 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * graphite.c: Split scop detection to a new file.
2378         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2379         move_sd_regions, loop_affine_expr, exclude_component_ref,
2380         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2381         graphite_cannot_represent_loop_niter, struct scopdet_info,
2382         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2383         find_single_entry_edge, find_single_exit_edge,
2384         create_single_entry_edge, sd_region_without_exit,
2385         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2386         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2387         Moved to graphite-scop-detection.c.
2388
2389         * graphite-scop-detection.c: New.
2390         * graphite-scop-detection.h: New.
2391         * Makefile.in: Add new rule for graphite-scop-detection.o.
2392
2393         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2394         tree-scalar-evolution.h.
2395         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2396         build_sese_loop_nests): Moved here from graphite.c.
2397         (param_index): Renamed parameter_index_in_region.
2398
2399 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2400             Sebastian Pop  <sebastian.pop@amd.com>
2401
2402         * gcc.dg/graphite/block-0.c: Expected to fail now.
2403         * gcc.dg/graphite/block-1.c: Same.
2404         * gcc.dg/graphite/block-5.c: Same.
2405         * gcc.dg/graphite/block-6.c: Same.
2406
2407 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2408             Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * graphite.h: Separate from graphite_bb_p the polyhedral
2411         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2412         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2413         graphite-data-ref.h.
2414         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2415         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2416         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2417         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2418         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2419         scop_nb_params): Moved to graphite-poly.h.
2420         * graphite-data-ref.c: Same.
2421         * graphite-data-ref.h: New.
2422         * graphite.c: Same.
2423         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2424         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2425         is_interchange_valid, graphite_trans_bb_block,
2426         graphite_trans_loop_block, scop_max_loop_depth,
2427         graphite_trans_scop_block, graphite_apply_transformations,
2428         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2429         graphite-poly.c.
2430         * graphite-poly.h: New.
2431         * graphite-poly.c: New.
2432         * Makefile.in (OBJS-common): Add graphite-poly.o.
2433         (graphite-poly.o): New rule.
2434         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2435         (DR_SCOP): Removed.
2436
2437 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2438             Tobias Grosser  <grosser@fim.uni-passau.de>
2439
2440         * graphite.c: Replace gb -> gbb.
2441         * graphite.h: Same.
2442         * graphite-data-ref.c: Same.
2443
2444 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2445             Tobias Grosser  <grosser@fim.uni-passau.de>
2446
2447         * Makefile.in (OBJS-commmon): Add sese.o.
2448         (sese.o): New.
2449         (graphite.o): Add sese.h.
2450         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2451         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2452         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2453         Move to sese.
2454         (block_before_scop): Add missing return.
2455         (new_scop, free_scop): Remove SESE data structures.
2456         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2457         find_scop_parameters, build_loop_iteration_domains,
2458         add_conditions_to_domain, register_scop_liveout_renames,
2459         copy_bb_and_scalar_dependences): Scop -> SESE.
2460
2461         (add_conditions_to_domain): SCoP -> SESE and remove check
2462         (scop_contains_non_iv_scalar_phi_nodes): New.
2463         (build_scop_conditions_1, build_scop_conditions): Remove check for
2464         non iv scalar phi nodes.
2465         (print_scop_statistics): New.
2466         (graphite_transform_loops): Cleanup.
2467
2468         * graphite.h: Move to sese & cleanup.
2469         * sese.c: New.
2470         * sese.h: New.
2471
2472 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2473             Tobias Grosser  <grosser@fim.uni-passau.de>
2474
2475         * graphite.c (build_scop_conditions_1): Conditions are only
2476         at the end of a basic block.
2477
2478 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2479             Tobias Grosser  <grosser@fim.uni-passau>
2480
2481         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2482         field.
2483         (GBB_ALPHA): Removed.
2484
2485 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2486             Tobias Grosser  <grosser@fim.uni-passau.de>
2487
2488         * graphite-data-ref.c (graphite_test_dependence): Don't use
2489         GBB_DYNAMIC_SCHEDULE.
2490         * graphite.c (new_graphite_bb): Same.
2491         (free_graphite_bb): Same.
2492         (build_scop_dynamic_schedules): Removed.
2493         (graphite_transform_loops): Don't call it.
2494         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2495         (GBB_DYNAMIC_SCHEDULE): Removed.
2496
2497 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2498             Tobias Grosser  <grosser@fim.uni-passau.de>
2499
2500         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2501         (print_graphite_bb): Same.
2502         (build_cloog_prog): Same.
2503
2504 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2505             Tobias Grosser  <grosser@fim.uni-passau.de>
2506
2507         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2508
2509 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2510             Tobias Grosser  <grosser@fim.uni-passau.de>
2511
2512         * graphite.c (build_scop_context): Don't use CloogMatrix.
2513         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2514         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2515
2516 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2517             Tobias Grosser  <grosser@fim.uni-passau.de>
2518
2519         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2520         liveout_renames, add_params fields...
2521         (struct sese): ... here.
2522         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2523         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2524
2525 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2526             Tobias Grosser  <grosser@fim.uni-passau.de>
2527
2528         * graphite.c (print_scop): Do not print the CLooG program.
2529         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2530         build_cloog_prog, gloog): Don't use SCOP_PROG.
2531         (find_transform): Renamed scop_to_clast.
2532         (print_generated_program, debug_generated_program): New.
2533         (graphite_transform_loops): Adapt to new interface.
2534         * graphite.h (struct scop): Remove program field.
2535         (SCOP_PROG): Removed.
2536         (print_generated_program, debug_generated_program): Declared.
2537
2538 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2541         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2542         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2543         free_graphite_bb, build_scop_canonical_schedules,
2544         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2545         schedules are now represented using a ppl_Linear_Expression_t.
2546         * graphite.h (struct graphite_bb): Same.
2547         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2548         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2549
2550 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2551
2552         * graphite.c: Free local memory.
2553         * graphite-ppl.c: Same.
2554
2555 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2556
2557         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2558         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2559         swap_constraint_variables, scale_constraint_variable): Removed.
2560         (graphite_trans_bb_strip_mine): Remove pong.
2561         * graphite-ppl.c: Include missing header files.
2562         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2563         * graphite-ppl.h (ppl_strip_loop): Declared.
2564         * Makefile.in (graphite-ppl.o): Adjust dependences.
2565
2566 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2569         (build_scop_iteration_domain): Same.
2570
2571 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2574         ping pong.
2575         (add_value_to_dim, scan_tree_for_params_right_scev,
2576         scan_tree_for_params_int): New.
2577         * graphite-ppl.c (oppose_constraint): New.
2578         (insert_constraint_into_matrix): Implement missing cases.
2579         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2580
2581 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2584         use ppl_move_dimension.
2585
2586 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2589         * graphite.c: Same.
2590         * graphite.h: Same.
2591         * graphite-ppl.c: Same.
2592         * graphite-ppl.h: Same.
2593
2594 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2595
2596         Revert last 3 commits.
2597
2598 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2601         ping pong.
2602         (add_value_to_dim, scan_tree_for_params_right_scev,
2603         scan_tree_for_params_int): New.
2604         * graphite-ppl.c (oppose_constraint): New.
2605         (insert_constraint_into_matrix): Implement missing cases.
2606         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2607
2608 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2609
2610         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2611
2612 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2613             Tobias Grosser  <grosser@fim.uni-passau.de>
2614
2615         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2616         use ppl_move_dimension.
2617         * graphite-ppl.c (ppl_move_dimension): New.
2618         * graphite-ppl.h (ppl_move_dimension): Declared.
2619
2620 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2621
2622         * graphite.c: Do not include cloog/cloog.h.
2623         (print_graphite_bb): Remove ping pong, call PPL print function.
2624
2625 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2626
2627         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2628         (graphite.o): Add dependence on graphite-ppl.h.
2629         (graphite-ppl.o): New.
2630         (graphite-data-ref.c): Ping pong between PPL data structures
2631         and matrices.
2632         * graphite-ppl.c: New.
2633         * graphite-ppl.h: New.
2634         * graphite.c: Include graphite-ppl.h.
2635         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2636         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2637         Ping pong between PPL data structures and matrices.
2638         (new_graphite_bb): Create a PPL constraint system.
2639         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2640         (build_loop_iteration_domains): Use PPL functions.
2641         * graphite.h: Include graphite-ppl.h.  Fix comments.
2642         (graphite_bb): Use a ppl_Constraint_System_t instead of
2643         CloogMatrix for representing the domain.
2644         (scop): Remove static_schedule.
2645         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2646
2647 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2648
2649         * graphite.c: Fix some comments.
2650
2651 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2652
2653         PR middle-end/38953
2654         * graphite.c (if_region_set_false_region): After moving a region
2655         in the false branch of a condition, remove the empty dummy
2656         basic block.
2657         (gloog): Remove wrong fix for PR38953.
2658
2659 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2662         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2663         register_bb_in_sese, new_sese, free_sese): Moved.
2664         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2665         outermost_loop_in_scop, build_scop_iteration_domain,
2666         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2667         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2668         Use loop_in_sese_p instead of loop_in_scop_p.
2669         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2670         (free_scop): Do not free SCOP_BBS_B.
2671         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2672         ref_nb_loops): Moved here...
2673         * graphite.h (ref_nb_loops): ... from here.
2674         (struct scop): Remove bbs_b bitmap.
2675         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2676         * testsuite/gcc.dg/graphite/scop-19.c: New
2677
2678 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2679
2680         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2681         detection.
2682
2683 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2684
2685         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2686         eq_loop_to_cloog_loop): Remove.
2687         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2688         * graphite.h (struct scop): Remove loop2cloog_loop.
2689         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2690
2691 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2692
2693         * opts.c (decode_options): Only add graphite options to O2
2694         if we compile with graphite enabled.
2695
2696 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * Merge from mainline (r143163:143684).
2699
2700 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * graphite.c (debug_value): Removed.
2703         * graphite.h (debug_value): Removed.
2704
2705 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2706
2707         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2708         after graphite: pass_copy_prop does not maintain a proper loop closed
2709         SSA form.  pass_copy_prop should be fixed.
2710
2711 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2714
2715 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2718         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2719         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2720         changed the CFG.
2721
2722 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2723
2724         * graphite.c (gloog): Return true when code gen succeeded.
2725         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2726         the code of the function did not changed.  After cleanup_tree_cfg
2727         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2728         form.
2729
2730 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2733         gimple_call_lhs is NULL.
2734
2735 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2736             Tobias Grosser  <tobi.grosser@amd.com>
2737
2738         * graphite.c (graphite_trans_scop_block): Do not block single
2739         nested loops.
2740
2741 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2742             Tobias Grosser  <tobi.grosser@amd.com>
2743
2744         * graphite.c (build_scop_canonical_schedules): Start schedules at
2745         zero.
2746
2747 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2748             Tobias Grosser  <tobi.grosser@amd.com>
2749
2750         * graphite.c (compare_prefix_loops): New.
2751         (build_scop_canonical_schedules): Rewritten.
2752         (graphite_transform_loops): Move build_scop_canonical_schedules
2753         after build_scop_iteration_domain.
2754
2755 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2756             Tobias Grosser  <tobi.grosser@amd.com>
2757
2758         * graphite.c (add_conditions_to_domain): Add the loops to
2759         the dimension of the iteration domain.  Do copy the domain
2760         only when it exists.
2761         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2762         (add_conditions_to_constraints): New.
2763         (can_generate_code_stmt, can_generate_code): Removed.
2764         (gloog): Do not call can_generate_code.
2765         (graphite_transform_loops): Call add_conditions_to_constraints
2766         after building the iteration domain.
2767
2768 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2769             Tobias Grosser  <tobi.grosser@amd.com>
2770             Jan Sjodin  <jan.sjodin@amd.com>
2771
2772         * graphite.c (scan_tree_for_params): On substractions negate
2773         all the coefficients of the term.
2774         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2775         of more than two operands.
2776         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2777         (get_vdef_before_scop): Handle also the case of default definitions.
2778
2779 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         PR middle-end/38431
2782         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2783         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2784         (gloog): Do not call cleanup_tree_cfg.
2785         (graphite_transform_loops): Call cleanup_tree_cfg after all
2786         scops have been code generated.
2787
2788 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         * passes.c (init_optimization_passes): Schedule after
2791         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2792
2793 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2796         Fix comment.
2797         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2798         Set the type of an expression to the type of its assign statement.
2799         (expand_scalar_variables_expr):  Do not pass loop_p.
2800         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2801         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2802         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2803
2804 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2805
2806         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2807         an expression to the gimple_expr_type of its assign statement.
2808         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2809         or tcc_declaration.
2810
2811 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         PR tree-optimization/38786
2814         * testsuite/gcc.dg/graphite/pr38786.c: New.
2815         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2816         the SSA_NAME case of expand_scalar_variables_expr.
2817         (expand_scalar_variables_expr): Also gather the scalar computation
2818         used to index the memory access.
2819         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2820         the gimple_stmt_iterator where it inserts new code.
2821
2822 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2825
2826 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         * opts.c (decode_options): Enable flag_graphite_identity and
2829         flag_loop_block in -O2 and above.
2830
2831 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2834         Fix merge problem: replace with the file from trunk.
2835
2836 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * Merge from mainline (r141727:143163).
2839
2840 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2841             Jan Sjodin  <jan.sjodin@amd.com>
2842
2843         PR tree-optimization/38559
2844         * testsuite/gcc.dg/graphite/pr38559.c: New.
2845
2846         * graphite.c (debug_value, copy_constraint,
2847         swap_constraint_variables, scale_constraint_variable, ): New.
2848         (get_lower_bound, get_upper_bound): Removed.
2849         (graphite_trans_bb_strip_mine): Clean up this code that works
2850         only for constant number of iterations.  Fully copy upper and
2851         lower bound constraints, not only the constant part of them.
2852         * graphite.h (debug_value): Declared.
2853
2854 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2855
2856         PR tree-optimization/38492
2857         PR tree-optimization/38498
2858         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2859         * tree-chrec.h (scev_is_linear_expression): Declared.
2860         * graphite.c (graphite_cannot_represent_loop_niter): New.
2861         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2862         (graphite_loop_normal_form): Use gcc_assert.
2863         (scan_tree_for_params): Use CASE_CONVERT.
2864         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2865         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2866         Use gcc_assert.  Discard scops that contain unhandled cases.
2867         (build_scop_conditions): Return a boolean status for unhandled cases.
2868         (strip_mine_profitable_p): Print the loop number, not its depth.
2869         (is_interchange_valid): Pass the depth of the loop nest, don't
2870         recompute it wrongly.
2871         (graphite_trans_bb_block): Same.
2872         (graphite_trans_bb_block): Print tentative of loop blocking.
2873         (graphite_trans_scop_block): Do not print that the loop has been
2874         blocked.
2875         (graphite_transform_loops): Do not handle scops that contain condition
2876         scalar phi nodes.
2877
2878         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2879         in trunk.
2880         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2881         * testsuite/gcc.dg/graphite/block-1.c: Same.
2882         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2883         blocking.
2884         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2885         * testsuite/gcc.dg/graphite/block-3.c: New.
2886         * testsuite/gcc.dg/graphite/pr38498.c: New.
2887
2888 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2889
2890         PR tree-optimization/38510
2891         * gcc.dg/graphite/pr38510.c: New.
2892         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2893           (translate_clast): Call recompute_all_dominators before
2894           graphite_verify.
2895           (gloog): Call recompute_all_dominators before graphite_verify.
2896
2897 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         PR tree-optimization/38492
2900         * graphite.c (rename_map_elt, debug_rename_elt,
2901         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2902         rename_map_elt_info, eq_rename_map_elts,
2903         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2904         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2905         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2906         (sese_build_livein_liveouts): New.
2907         (new_sese, free_sese): New.
2908         (new_scop): Call new_sese.
2909         (free_scop): Call free_sese.
2910         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2911         (register_old_new_names): Renamed register_old_and_new_names.
2912         (register_scop_liveout_renames, add_loop_exit_phis,
2913         insert_loop_close_phis, struct igp,
2914         default_liveout_before_guard, add_guard_exit_phis,
2915         insert_guard_phis, copy_renames): New.
2916         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2917         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2918         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2919         (scop_adjust_phis_for_liveouts): New.
2920         (gloog): Call scop_adjust_phis_for_liveouts.
2921
2922         * graphite.h (struct sese): Documented.  Added fields liveout,
2923         num_ver and livein.
2924         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2925         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2926         (struct scop): Added field liveout_renames.
2927         (SCOP_LIVEOUT_RENAMES): New.
2928
2929 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2930
2931         PR tree-optimization/38409
2932         * gcc.dg/graphite/pr38409.c: New.
2933         * graphite.c (nb_reductions_in_loop): Use simple_iv.
2934
2935 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2936
2937         * graphite.c (gcc_type_for_cloog_iv): By default return
2938         integer_type_node.
2939         (graphite_create_new_loop): Don't fold_convert the already
2940         fold_convert-ed expression.
2941
2942 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
2943
2944         PR tree-optimization/38446
2945         * gcc.dg/graphite/pr38446.c: New.
2946         * graphite.c (register_bb_in_sese): New.
2947         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
2948         looking at the bbs in the region.
2949         * graphite.h (sese): Add region_basic_blocks pointer set to
2950         structure and initialize at the time of defining new scop.
2951
2952 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2953
2954         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
2955         (find_params_in_bb): Do not free data refs.
2956         (free_graphite_bb): Add FIXME on disabled free_data_refs.
2957
2958 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2959
2960         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
2961         * testsuite/gcc.dg/graphite/scop-17.c: Same.
2962         * testsuite/gcc.dg/graphite/block-5.c: New.
2963         * testsuite/gcc.dg/graphite/block-6.c: New.
2964         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
2965         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2966         * testsuite/gcc.dg/graphite/block-2.c: Same.
2967
2968         * graphite.c (struct ivtype_map_elt): New.
2969         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
2970         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
2971         gcc_type_for_cloog_iv): New.
2972         (loop_iv_stack_patch_for_consts): Use the type of the induction
2973         variable from the original loop, except for the automatically
2974         generated loops, i.e., in the case of a strip-mined loop, in
2975         which case there is no original loop: in that case just use
2976         integer_type_node.
2977         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
2978         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
2979         (clast_name_to_gcc): Accept params to be NULL.
2980         (clast_to_gcc_expression): Take an extra parameter for the type.
2981         Convert to that type all the expressions built by this function.
2982         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
2983         (graphite_translate_clast_equation): Compute the type of the
2984         clast_equation before translating its LHS and RHS.
2985         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
2986         (graphite_create_new_loop): Compute the type of the induction
2987         variable before translating the lower and upper bounds and before
2988         creating the induction variable.
2989         (rename_variables_from_edge, rename_phis_end_scop): New.
2990         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
2991         (sese_add_exit_phis_edge): Do not use integer_zero_node.
2992         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2993         compute_cloog_iv_types): New.
2994         (gloog): Call compute_cloog_iv_types before starting the
2995         translation of the clast.
2996
2997         * graphite.h (struct graphite_bb): New field cloog_iv_types.
2998         (GBB_CLOOG_IV_TYPES): New.
2999         (debug_ivtype_map): Declared.
3000         (oldiv_for_loop): New.
3001
3002 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3003
3004         PR middle-end/38459
3005         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3006         (param_index): Assert if parameter is not know after parameter
3007         detection.
3008         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3009         (find_scop_parameters): Mark, that we have finished parameter
3010         detection.
3011         (graphite_transform_loops): Move condition detection before parameter
3012         detection.
3013         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3014         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3015
3016 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3017
3018         * graphite.c (graphite_transform_loops): Always call find_transform ()
3019         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3020         generate code.
3021
3022 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3023
3024         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3025         (print_scop): Ditto.
3026
3027 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3028
3029         PR middle-end/38084
3030         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3031         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3032         regions more than once.
3033
3034 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3037         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3038         when not needed.
3039
3040 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3041
3042         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3043         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3044         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3045         (max_precision_type): New.
3046         (value_clast): Removed.
3047         (clast_to_gcc_expression): Be more careful to types of expressions.
3048         Use max_precision_type and update use of gmp_cst_to_tree.
3049         (graphite_translate_clast_equation): Use max_precision_type.
3050         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3051         use the type of the condition.
3052         (graphite_create_new_loop): Do not use integer_type_node, use the
3053         max_precision_type of lb and ub.
3054
3055 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         * graphite.c (build_scops_1): Initialize open_scop.exit
3058         and sinfo.last.
3059
3060 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         * testsuite/gcc.dg/graphite/pr38084.c: New.
3063         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3064         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3065         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3066         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3067         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3068
3069 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3070             Jan Sjodin  <jan.sjodin@amd.com>
3071             Harsha Jagasia  <harsha.jagasia@amd.com>
3072
3073         PR middle-end/37852
3074         PR middle-end/37883
3075         PR middle-end/37928
3076         PR middle-end/37980
3077         PR middle-end/38038
3078         PR middle-end/38039
3079         PR middle-end/38073
3080         PR middle-end/38083
3081         PR middle-end/38125
3082
3083         * testsuite/gcc.dg/graphite/pr38073.c: New.
3084         * testsuite/gcc.dg/graphite/pr37928.c: New.
3085         * testsuite/gcc.dg/graphite/pr37883.c: New.
3086         * testsuite/gcc.dg/graphite/pr38125.c: New.
3087         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3088         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3089         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3090
3091         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3092         the number of detected scops.  Copy exact same test for loop
3093         blocking...
3094         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3095         loops to be blocked as reductions are not handled.
3096         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3097
3098         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3099         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3100         ...here.
3101         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3102         * Makefile.in (graphite.o): Depend on value-prof.h.
3103         (graphite.o-warn): Removed -Wno-error.
3104         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3105         to be a NULL pointer.  Call update_stmt.  Return the newly created
3106         cannonical induction variable.
3107
3108         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3109
3110         * graphite.c: Reimplement the code generation from graphite to gimple.
3111         Include value-prof.h.
3112         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3113         (get_old_iv_from_ssa_name): Removed.
3114         (graphite_stmt_p): New.
3115         (new_graphite_bb): Test for useful statements before building a
3116         graphite statement for the basic block.
3117         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3118         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3119         reason.
3120         (recompute_all_dominators, graphite_verify,
3121         nb_reductions_in_loop, graphite_loop_normal_form): New.
3122         (scop_record_loop): Call graphite_loop_normal_form.
3123         (build_scop_loop_nests): Iterate over all the blocks of the
3124         function instead of relying on the incomplete information from
3125         SCOP_BBS.  Return the success of the operation.
3126         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3127         (add_bb_domains): Removed.
3128         (build_loop_iteration_domains): Don't call add_bb_domains.
3129         Add the iteration domain only to the basic blocks that have been
3130         translated to graphite.
3131         (build_scop_conditions_1): Add constraints only if the basic
3132         block have been translated to graphite.
3133         (build_scop_data_accesses): Completely disabled until data
3134         dependence is correctly implemented.
3135         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3136         (remove_all_edges_1, remove_all_edges): Removed.
3137         (get_new_name_from_old_name): New.
3138         (graphite_rename_variables_in_stmt): Renamed
3139         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3140         Use replace_exp and update_stmt.
3141         (is_old_iv): Renamed is_iv.
3142         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3143         Use replace_exp and update_stmt.
3144         (expand_scalar_variables_expr): Same.  Use the map to get the
3145         new names for the renaming of induction variables and for the
3146         renaming of variables after a basic block has been copied.
3147         (expand_scalar_variables): Same.
3148         (graphite_rename_variables): Renamed rename_variables.
3149         (move_phi_nodes): Removed.
3150         (get_false_edge_from_guard_bb): New.
3151         (build_iv_mapping): Do not insert the induction variable of a
3152         loop in the renaming iv map if the basic block does not belong
3153         to that loop.
3154         (register_old_new_names, graphite_copy_stmts_from_block,
3155         copy_bb_and_scalar_dependences): New.
3156         (translate_clast): Heavily reimplemented: copy basic blocks,
3157         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3158         At each translation step call graphite_verify ensuring the
3159         consistency of the SSA, loops and dominators information.
3160         (collect_virtual_phis, find_vdef_for_var_in_bb,
3161         find_vdef_for_var_1, find_vdef_for_var,
3162         patch_phis_for_virtual_defs): Removed huge hack.
3163         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3164         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3165         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3166         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3167         if_region_get_condition_block, if_region_set_false_region,
3168         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3169         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3170         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3171         rewrite_into_sese_closed_ssa): New.
3172         (gloog): Remove dead code.  Early return if code cannot be
3173         generated.  Call cleanup_tree_cfg once the scop has been code
3174         generated.
3175         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3176         block loops with less than two loops.
3177         (graphite_apply_transformations): Remove the call to
3178         scop_remove_ignoreable_gbbs.
3179         (limit_scops): When build_scop_loop_nests fails, continue on
3180         the next scop.  Fix open_scop.entry.
3181         (graphite_transform_loops): Call recompute_all_dominators: force the
3182         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3183         Call initialize_original_copy_tables and free_original_copy_tables
3184         to be able to copy basic blocks during code generation.
3185         When build_scop_loop_nests fails, continue on next scop.
3186         (value_clast): New union.
3187         (clast_to_gcc_expression): Fix type cast warning.
3188
3189 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         * Merge from mainline (r140838:141727).
3192
3193 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3194
3195         PR middle-end/37833
3196
3197         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3198
3199 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3200
3201         PR middle-end/37943
3202
3203         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3204         exits and conditions.
3205         * testsuite/gcc.dg/graphite/pr37943.c: New.
3206
3207 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3208
3209         PR middle-end/37886
3210         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3211
3212 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3213
3214         * doc/invoke.texi: Fix spaces.
3215
3216 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         PR tree-optimization/37891
3219         Reverted last commit.
3220         * graphite.c (create_single_entry_edge): Set
3221         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3222
3223 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3224             Mitul Thakkar  <mitul.thakkar@amd.com>
3225
3226         * graphite.c (create_single_entry_edge): Set
3227         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3228
3229 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3230
3231         * doc/invoke.texi: Add -fgraphite-identity.
3232         * graphite.c (graphite_apply_transformations): Check for
3233         -fgraphite-identity.
3234         * toplev.c (process_options): Add flag_graphite_identity.
3235         * tree-ssa-loop.c: Add flag_graphite_identity.
3236
3237 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3238
3239         Undo changes from 2008-10-02:
3240         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3241         operand type when copying the operand to a variable of different type.
3242         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3243         with the IV name after increment.
3244
3245 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3246             Harsha Jagasia  <harsha.jagasia@amd.com>
3247
3248         PR tree-optimization/37828
3249         * testsuite/gcc.dg/graphite/pr37828.c: New.
3250         * graphite.c (graphite_trans_loop_block): Do not loop block
3251         single nested loops.
3252
3253 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3254             Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3257         rename_map_elt_info, eq_rename_map_elts): New.
3258         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3259         (expand_scalar_variables_expr): Change parameters.
3260         (expand_scalar_variables_stmt): Same.
3261         (expand_scalar_variables): Same.
3262         (graphite_rename_ivs): Rename graphite_rename_variables.
3263         (build_iv_mapping): New.
3264         (translate_clast): Call build_iv_mapping.
3265         * graphite.h (gbb_p): New name.
3266
3267 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3268
3269         PR tree-optimization/37684
3270         * gcc.dg/graphite/pr37684.c: New.
3271         * graphite.c (exclude_component_ref): New.
3272         (is_simple_operand): Call exclude_component_ref.
3273
3274 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3275             Harsha Jagasia  <harsha.jagasia@amd.com>
3276
3277         PR tree-optimization/37485
3278         * gcc.dg/graphite/block-2.c: New
3279         * graphite.c (gmp_cst_to_tree): Moved.
3280         (iv_stack_entry_is_constant): New.
3281         (iv_stack_entry_is_iv): New.
3282         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3283         (loop_iv_stack_insert_constant): New.
3284         (loop_iv_stack_pop): Use new datatpype.
3285         (loop_iv_stack_get_iv): Same.
3286         (loop_iv_stack_get_iv_from_name): Same.
3287         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3288         (loop_iv_stack_patch_for_consts): New.
3289         (loop_iv_stack_remove_constants): New.
3290         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3291         (translate_clast): Call loop_iv_stack_patch_for_consts and
3292         loop_iv_stack_remove_constants.
3293         (gloog): Use new datatype.  Redirect construction edge to end
3294         block to avoid accidental deletion.
3295         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3296         iv stack entry.
3297         (union iv_stack_entry_data): New.  Data in iv stack entry.
3298         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3299
3300 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3301
3302         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3303         operand type when copying the operand to a variable of different type.
3304
3305 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3306
3307         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3308         with the IV name after increment.
3309
3310 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3311
3312         * Merge from mainline (r140164:140838).
3313
3314 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3315
3316         * graphite-data-ref.c: New.
3317         * graphite.c (print_scop): Also dump the dependence graph.
3318         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3319         (new_scop): Initialize SCOP_DEP_GRAPH.
3320         (build_scop_dynamic_schedules): New.
3321         (build_access_matrix_with_af): Fixed column numbering.
3322         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3323         * graphite.h: Add ifndef/define guards against multiple inclusion.
3324         (struct scop): Add dep_graph field.
3325         (SCOP_DEP_GRAPH): Defined.
3326         (ref_nb_loops): Fixed and moved to other position.
3327         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3328         (nb_loops_around_loop_in_scop): New.
3329         (graphite_dump_dependence_graph): Declared.
3330         (graphite_build_rdg_all_levels): Declared.
3331         (graphite_test_dependence): Declared.
3332         * Makefile.in (graphite-data-ref.o): New target.
3333
3334 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3335
3336         * Merge from mainline (139870:140164).
3337
3338 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * Merge from mainline (138275:139870).
3341         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3342         the commits from trunk broke the niter detection.
3343
3344 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3345
3346         * graphite.c: Add more documentation.  Fix formatting.
3347         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3348         loop_iv_stack_debug): Moved...
3349         (schedule_to_scattering): Move before use.
3350         (dot_all_scops): Include in "#if 0" the code for system
3351         call dotty.
3352
3353         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3354         loop_iv_stack_debug): ...here.
3355
3356 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3357
3358         * tree-phinodes.c (make_phi_node): Extern.
3359         (add_phi_node_to_bb): New.
3360         (create_phi_node): Call add_phi_node_to_bb.
3361         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3362         (remove_statement): Handle case where stored phi was updated
3363         and is no longer the same.
3364         * graphite.c (is_parameter): New.
3365         (is_old_iv): New.
3366         (expand_scalar_variables_expr): New.
3367         (expand_scalar_variables_stmt): New.
3368         (expand_scalar_variables): New.
3369         (move_phi_nodes): Create new phi instead of moving old one.
3370         (translate_clast): Call expand_scalar_variables.
3371         (find_vdef_for_var_in_bb): Also scan regular definitions.
3372         (skip_phi_defs): New.
3373         (collect_scop_exit_phi_args): New.
3374         (patch_scop_exit_phi_args): New.
3375         (gloog): Patch phis after scop.
3376         * tree-flow.h: (add_phi_node_to_bb): Declared.
3377         (make_phi_node): Declared.
3378
3379 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3380
3381         * graphite.c (end_scop): Split the entry of the scop when it
3382         is the header of the loop in which the scop is ending.
3383         (build_scops_1, limit_scops): Update uses of end_scop.
3384
3385 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3388         SCOP_ENTRY or SCOP_EXIT.
3389
3390 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         * graphite.c (get_construction_edge): Removed.
3393         (gloog): Construction edge is the scop entry edge.
3394
3395 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * graphite.c (can_generate_for_scop): Removed.
3398         (gloog): Do not call it.
3399
3400 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * graphite.c (new_scop): Entry of a scop is an edge.
3403         Initialize SESE region.
3404         (free_scop): Free SESE region.
3405         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3406         (split_difficult_bb): New, split from end_scop.
3407         (end_scop): Exit of a scop is an edge.
3408         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3409         not automatically updated and thus is always wrong.
3410         * graphite.h (struct sese): New.
3411         (SESE_ENTRY): New.
3412         (SESE_EXIT): New.
3413         (struct scop): New field for a SESE region.  Remove entry, exit.
3414         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3415         semantics as before.  Moved comment around.
3416
3417 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3418             Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         * graphite.c (graphite_transform_loops): Always enable gloog
3421         and find_transform when ENABLE_CHECKING.
3422
3423 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * graphite.c (graphite_transform_loops): Move pretty printer
3426         of SCOPs before doing any transform.  Remove call to print_scops
3427         and dot_all_scops_1.
3428
3429 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3432         (print_graphite_bb): Same.
3433
3434 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436         * graphite.c (dot_all_scops_1): Cleanup.
3437         (move_scops): Fix comment.
3438
3439 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * graphite.c (build_scop_bbs): Revert commit 139355:
3442
3443         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3444                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3445
3446                 * graphite.c (build_scop_bbs): Factor up code.
3447
3448 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3449
3450         * graphite.c (gloog): Update dominator info.
3451
3452 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3453
3454         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3455
3456 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3457
3458         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3459         initialization.
3460         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3461         (translate_clast): Correct formatting.
3462         * graphite.h (struct num_map): Removed.
3463         (struct graphite_bb): Remove num_map field.
3464         (GBB_INDEX_TO_NUM_MAP): Removed.
3465
3466 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3467
3468         * graphite.c (build_access_matrix_with_af): Fix comments.
3469         (build_scop_data_accesses): Same.
3470
3471 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * graphite.c (build_scop_data_accesses): Don't construct
3474         access matrices.  Add a FIXME and an assert condition that
3475         should pass when the access matrices will be needed.
3476
3477 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3480         really_constant_p.
3481         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3482         Moved close by free_graphite_bb.
3483         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3484         (new_scop): Move close by free_scop.
3485         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3486
3487 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3488
3489         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3490         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3491         instead of recursive call.
3492         (graphite_translate_clast_equation): New.
3493         (graphite_create_guard_cond_expr): New.
3494         (graphite_create_new_guard): New.
3495         (get_stack_index_from_iv): Removed.
3496         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3497         (get_true_edge_from_guard_bb): New.
3498         (translate_clast): Handle stmt_guard in clast.
3499         (get_construction_edge): Allow construction edge detection for
3500         a scope entry with multiple predecessors if one predecessor is
3501         the immediate dominator of scope entry.
3502         (can_generate_code_stmt): Enable code generation for clast_guard.
3503         (gloog): Use correct context loop.  Removed check for post dominators.
3504         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3505
3506 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3507
3508         * graphite.c (remove_dead_loops): Document better which
3509         loops are removed.
3510
3511 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3512
3513         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3514         and PPLINC.
3515         (graphite.o): Also depends on pointer-set.h.
3516
3517 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3518
3519         * graphite.c (scop_record_loop): Fix compile warning.
3520
3521 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3522             Sebastian Pop  <sebastian.pop@amd.com>
3523
3524         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3525
3526 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         * graphite.c (build_graphite_bb): Initialize bb->aux to
3529         point to the graphite_bb_p.
3530         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3531         content of bb->aux.
3532         (add_bb_domains): Does not use the scop parameter.
3533         (graphite_transform_loops): Clean bb->aux at the end.
3534
3535 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3536             Sebastian Pop  <sebastian.pop@amd.com>
3537
3538         * testsuite/lib/target-supports.exp
3539         (check_effective_target_fgraphite): New.
3540
3541         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3542         check_effective_target_fgraphite returns false.
3543         Set dg-do-what-default to compile.
3544         (scan-graphite-dump-times): Removed.
3545         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3546
3547         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3548         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3549         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3550         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3551         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3552         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3553         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3554         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3555         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3556         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3557         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3558         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3559         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3560         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3561         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3562         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3563         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3564         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3565         * testsuite/gcc.dg/graphite/block-0.c: Same.
3566         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3567         * testsuite/gcc.dg/graphite/block-1.c: Same.
3568         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3569         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3570         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3571         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3572         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3573
3574 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3575
3576         * graphite.c: Fix some XXX comments.
3577         (build_scop_dynamic_schedules): Removed.
3578
3579 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3580
3581         * graphite.h (scop_max_loop_depth): Moved...
3582         * graphite.c (scop_max_loop_depth): ...here.
3583         (remove_all_edges_1): New.
3584         (remove_all_edges): Factored code.
3585         (remove_cond_exprs): Check only the last statement for
3586         a GIMPLE_COND expression.
3587
3588 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3589
3590         * graphite.c (scan_tree_for_params): Early return when the
3591         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3592         (find_scop_parameters): Factor out code.
3593         (graphite_trans_bb_strip_mine): Remove dead code.
3594
3595 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3598         graphite_trans_bb_move_loop): Factor asserts.
3599         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3600         Do not call calculate_dominance_info and estimate_bb_frequencies.
3601
3602 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3603
3604         * graphite.c (create_loops_mapping, free_loops_mapping,
3605         create_loops_mapping_num, debug_loop_mapping_1,
3606         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3607         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3608         graphite_loops_mapping_add_child_num,
3609         graphite_loops_mapping_insert_child,
3610         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3611         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3612         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3613         create_num_from_index, get_num_from_index,
3614         swap_loop_mapped_depth): Removed.
3615         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3616         (free_scop): Do not call free_loops_mapping.
3617         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3618         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3619         get_loop_mapped_depth.
3620         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3621         (graphite_trans_bb_strip_mine): Same.
3622         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3623         (struct scop): Remove field loops_mapping.
3624
3625 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3626             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3627
3628         * graphite.c (scop_record_loop): Factor out one level of the
3629         condition by early return.
3630         (build_scop_loop_nests): Format following FSF coding style.
3631         (build_scop_dynamic_schedules): Factor out code.
3632         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3633
3634 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3635             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3636
3637         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3638         assignments that are not handled as simple operands for now.
3639
3640 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3641             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3642
3643         * graphite.c (build_scop_bbs): Factor up code.
3644
3645 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3646             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3647
3648         * graphite.c (stmt_simple_for_scop_p): Factor code out
3649         of the loop.
3650         (enum gbb_type): New.  Group all the GBB_* types under it.
3651         (is_loop_exit): Moved...
3652         (end_scop): Enable BB spliting.
3653         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3654         * cfgloop.h (is_loop_exit): Declared.
3655
3656 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         * doc/invoke.texi: Remove strides from examples containing
3659         DO loops when the strides are equal to 1.
3660
3661 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3662             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3663
3664         * graphite.c (graphite_trans_scop_block): Or the result with
3665         the result from graphite_trans_loop_block.
3666         * testsuite/gcc.dg/graphite/block-1.c: New.
3667         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3668         * testsuite/gfortran.dg/graphite/block-2.f: New.
3669
3670 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3671
3672         * graphite.c (graphite_transform_loops): Call cloog_initialize
3673         and cloog_finalize.
3674
3675 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * tree-data-ref.c) (stmt_simple_memref_p): New.
3678         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3679         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3680         (is_simple_operand): Call stmt_simple_memref_p.
3681
3682         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3683         using pointer arithmetic, as this is optimized by PRE and
3684         makes the code too difficult to analyze.
3685
3686         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3687
3688 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3689
3690         * gdbinit.in (pgg): New.
3691
3692 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3693
3694         * graphite.c (graphite_trans_loop_block): Fix warning.
3695
3696 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3697
3698         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3699
3700 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3701
3702         * graphite.c (graphite_trans_bb_block): Remove check for
3703         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3704         Check if loop blocking is profitable for every loop, before applying
3705         the changes.
3706         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3707         if flag_loop_block is set.
3708
3709 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * graphite.c: Add some more documentation for the loop
3712         mapping.
3713
3714 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3715
3716         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3717         * graphite.c: Format on less than 80 columns.
3718         * graphite.h: Same.
3719
3720 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3721
3722         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3723
3724 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3725
3726         * doc/invoke.texi (floop-block, floop-strip-mine,
3727         floop-interchange): Update documentation with examples.
3728
3729 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3732         add_referenced_var.
3733         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3734
3735 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3736
3737         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3738         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3739         * tree-scalar-evolution.c: Revert useless changes.
3740         * tree-phinodes.c: Same.
3741         * cfghooks.c: Same.
3742         * vec.h: Same.
3743         * tree-vectorizer.h: Same.
3744         * tree-flow.h: Same.
3745         * tree-cfg.c: Same.
3746         * common.opt (fgraphite): Update documentation.
3747
3748 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3749
3750         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3751         -floop-interchange): Add more text for explaining what each of these
3752         flags is doing.
3753         * tree-into-ssa.c (gimple_vec): Moved to...
3754         * graphite.c: Include gimple.h.
3755         (gimple_vec): Moved to...
3756         (del_loop_to_cloog_loop): Removed.
3757         (loop_affine_expr): Do not call create_data_ref when the
3758         operand is a constant.
3759         (new_scop): Use free instead of del_loop_to_cloog_loop.
3760         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3761         * gimple.h (gimple_vec): ... here.
3762
3763 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3764
3765         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3766         latch executions.
3767         (build_loop_iteration_domains): Fail, if latch executions unknown.
3768
3769 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3770
3771         * graphite.c (add_conditions_to_domain): New.
3772         (build_scop_conditions_1): Call add_conditions_to_domain.
3773         (set_cloog_options): Allow to disable optimizations.
3774
3775 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3776
3777         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3778         Do not use walk_dominator_tree.
3779         (find_scop_parameters): Do not use walk_dominator_tree.
3780
3781 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3782
3783         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3784         (idx_record_params): Adapt.
3785         * graphite.h (scop_gimple_loop_depth): New.
3786
3787 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3788
3789         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3790         (scan_tree_for_params): Remove value_init.
3791         (build_scop_context): Remove value_init.
3792         (build_loop_iteration_domains): Remove value_init.
3793         (schedule_to_scattering): Remove value_init.
3794         (graphite_trans_bb_strip_mine): Remove value_init.
3795
3796 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3797
3798         * gcc/graphite.c (limit_scops): New.
3799         (graphite_transform_loops): Add limit SCoPs.
3800         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
3801         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
3802         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
3803         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
3804         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
3805         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
3806         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
3807         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
3808         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
3809         Change loop numbers.
3810         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
3811         Change loop numbers.
3812         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
3813         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
3814         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
3815         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
3816         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
3817         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
3818         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
3819         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
3820         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
3821         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
3822
3823 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3824
3825         * graphite.c (graphite_transform_loops): Call always find_transform.
3826
3827 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3828
3829         * graphite.c (free_loops_mapping): New.
3830         (stmt_simple_for_scop_p): Fix typo.
3831         (stmt_simple_for_scop_p): Fix tuples functions, that
3832         broke polyhedron.
3833         (free_graphite_bb): Fix some memleaks.
3834         (free_scop): Fix some memleaks.
3835         (scopdet_bb_info): Do not forget some tmp SCoPs.
3836         (find_params_in_bb): Fix some memleaks.
3837         (clast_to_gcc_expression): Fix warning.
3838
3839 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3840
3841         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
3842         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
3843
3844 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3845
3846         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
3847         Move code ifdef-ed HAVE_cloog...
3848         * graphite.c: Include toplev.h.
3849         ... here.
3850         * Makefile.in (OBJS-common): Always build graphite.o.
3851         (BACKEND): Remove @GRAPHITE@.
3852         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
3853         (graphite.o): Depend on TOPLEV_H.
3854
3855 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3856
3857         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
3858         Remove typo left from polylib to ppl conversion.
3859         * graphite.c (graphite_transforms): Use sorry instead of fatal.
3860
3861 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         * toplev.c (process_options): Move the graphite loop optimization
3864         flags...
3865         * tree-ssa-loop.c (graphite_transforms): ... here.
3866         When not configured with CLooG, print to dump_file that
3867         Graphite transforms were not performed.
3868         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
3869         New.
3870         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
3871         scan-graphite-dump-times.
3872
3873 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3874
3875         * graphite.c (dot_scop, dot_all_scops): Do not call system.
3876         Do not open /tmp/scop.dot and /tmp/allscops.dot.
3877
3878 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
3879             Jan Sjodin  <jan.sjodin@amd.com>
3880
3881         * configure: Regenerated.
3882         * omp-low.c (expand_omp_sections): Remove now unused code.
3883         * config.in (HAVE_polylib): Removed.
3884         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
3885         (PPLLIBS, PPLINC): Added.
3886         * graphite.c: Replace unsigned with int wherever possible.
3887         Don't access Cloog's data structures, but use accessor functions.
3888         Clast's stmt->type is now implemented as a vtable: change the
3889         switches of stmt->type into ifs.
3890         (polylib/polylibgmp.h): Don't include.
3891         (initialize_dependence_polyhedron,
3892         initialize_data_dependence_polyhedron, is_empty_polyhedron,
3893         statement_precedes_p, test_dependence, build_rdg_all_levels,
3894         dump_dependence_graph): Removed until this code is cleaned up
3895         or ported to Cloog.
3896         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
3897         (POLYLIBINC): Renamed PPLINC.
3898
3899 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
3900             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3901             Jan Sjodin  <jan.sjodin@amd.com>
3902
3903         Finish the merge and tuplification of graphite.
3904
3905 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3906             Jan Sjodin  <jan.sjodin@amd.com>
3907
3908         Partial merge from mainline (138072:138275).
3909         * graphite.c still has to be tuplified.
3910
3911 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
3912
3913         * graphite.c (graphite_loops_mapping_max_loop_num): New.
3914         (create_num_from_index): New.
3915         (get_num_from_index): Also pass in the graphite BB.
3916         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
3917         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
3918         (graphite_trans_bb_strip_mine): Call create_num_from_index.
3919         (is_interchange_valid): Return false when failing.
3920         * graphite.h (struct num_map): New.
3921         (struct graphite_bb): New field num_map.
3922         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
3923
3924 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3925
3926         * graphite.c (dump_gbb_conditions): Print also conditions like
3927         "if (a)".  Remove dublicated code and use print_generic_expr ().
3928         (stmt_simple_for_scop_p): Only allow conditions we can handle
3929         {<, <=, >, >=}.
3930
3931 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3932
3933         * graphite.h (struct scop): Removed new_ivs field.
3934         (SCOP_NEWIVS): Deleted.
3935         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
3936         clast_to_gcc_expression, graphite_create_new_loop):
3937         Removed use of new_ivs.
3938
3939 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3940
3941         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
3942         create_loops_mapping_num, debug_loop_mapping_1): New.
3943         (debug_loop_mapping): Call debug_loop_mapping_1.
3944         (get_loop_mapping_for_num,
3945         graphite_loops_mapping_add_child,
3946         graphite_loops_mapping_add_child_num,
3947         graphite_loops_mapping_insert_child,
3948         graphite_loops_mapping_parent,
3949         split_loop_mapped_depth_for_num,
3950         loop_mapped_depth_split_loop): New.
3951         (increment_loop_mapped_depths): Removed.
3952         (swap_loop_mapped_depth_for_num): Reimplemented.
3953         (new_scop): Call create_loops_mapping.
3954         (scop_record_loop): Call graphite_loops_mapping_insert_child.
3955         (translate_clast): Pass the old loop father in parameter, and pass
3956         it to get_old_iv_from_ssa_name.
3957         (remove_edges_around_useless_blocks, can_generate_code_stmt,
3958         can_generate_code, can_generate_for_scop): New.
3959         (graphite_trans_bb_block): Returns false when it fails to transform.
3960         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
3961
3962 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         Reverted all the changes related to the streamization and
3965         loop fusion.
3966         These changes are now tracked in the streamization branch.
3967
3968 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3969             Jan Sjodin  <jan.sjodin@amd.com>
3970
3971         * graphite.c (gbb_compare): Correctly constify.
3972         (gbb_can_be_ignored): Indent.
3973         (graphite_trans_scop_swap_1and2): Add legality check.
3974         Remove dead FIXMEs.
3975
3976 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         Remove fallouts from "Reverted the Condate changes".
3979         * tree.h: Remove unused decl.
3980         * testsuite/gcc.dg/tree-checker: Same.
3981         * timevar.def: Remove counter.
3982
3983 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3984
3985         * Merge from mainline (135673:138072).
3986
3987         Reverted the MIRO changes (from 2008-04-05) that are now
3988         tracked in the miro branch.
3989         * tree-bounds.c: Removed.
3990         * tree-bounds.h: Removed.
3991
3992         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
3993         are now tracked in the condate branch.
3994         * tree-check.c: Removed.
3995         * tree-match.c: Removed.
3996         * condate.y: Removed.
3997
3998 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3999
4000         * common.opt: New user flag -floop-block, -floop-strip-mine
4001         and -floop-interchange.
4002         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4003         graphite loop optimization flags is turned on.
4004         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4005         flag_loop_strip_mine and flag_loop_interchange checks before
4006         optimizations.
4007         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4008         -floop-strip-mine and -floop-interchange.
4009         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4010         -fgraphite.
4011         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4012         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4013         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4014
4015 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4016             Sebastian Pop  <sebastian.pop@amd.com>
4017
4018         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4019         (create_empty_loop_on_edge): More fixes.
4020         * tree-phinodes.c (resize_phi_node): Extern.
4021         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4022         * cfghooks.c (update_dominator_information): New split from
4023         split_edge.
4024         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4025         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4026         successor of the function entry block.
4027
4028         * graphite.c: Include pointer-set.h.
4029         (debug_loop_mapping, increment_loop_mapped_depths,
4030         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4031         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4032         swap_loop_mapped_depth_for_num, get_num_from_index,
4033         swap_loop_mapped_depth, loop_iv_stack_debug,
4034         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4035         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4036         get_old_iv_from_ssa_name): New.
4037         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4038         (free_scop): Free SCOP_LOOPS_MAPPING.
4039         (scop_record_loop): Record old ivs.
4040         (create_var_name): Removed.
4041         (initialize_cloog_names): Allocate double space in case strip mine
4042         applies to all loops once.
4043         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4044         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4045         translation.
4046         (graphite_create_new_loop): Pass in ivstack.
4047         (remove_all_edges): Pass in the construction_edge.
4048         (graphite_remove_iv): Removed.
4049         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4050         remove_cond_exprs): Rewritten.
4051         (move_phi_nodes): New.
4052         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4053         (translate_clast): Pass in ivstack.  Rewrite some cases.
4054         (set_cloog_options, debug_clast_stmt): New.
4055         (find_transform): Use set_cloog_options.
4056         (outermost_loop_layer): Removed.
4057         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4058         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4059         mark_old_loops, remove_dead_loops): New.
4060         (gloog): Rewritten.
4061         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4062         (const_column_index, get_first_matching_sign_row_index,
4063         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4064         get_upper_bound): New.
4065         (graphite_trans_bb_strip_mine): Also update the iv map.
4066
4067         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4068         (struct name_tree): Add a loop field.
4069         (struct scop): Add a graphite_loops_mapping field.
4070         (SCOP_LOOPS_MAPPING): New.
4071         (debug_clast_stmt): Declare.
4072         * lambda.h (find_induction_var_from_exit_cond): Declare.
4073         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4074         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4075         (create_empty_loop_on_edge): Updated.
4076         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4077         rename_variables_in_bb): Declare.
4078         * tree-cfg.c (remove_bb): Extern.
4079
4080         * testsuite/gcc.dg/graphite/block-0.c: New.
4081
4082 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4083             Sebastian Pop  <sebastian.pop@amd.com>
4084
4085         * graphite.c (strip_mine_profitable_p): New.
4086         (graphite_trans_bb_block): Disable strip mining if not profitable.
4087
4088         * testsuite/gcc.dg/graphite/scop-18.c: New.
4089         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4090         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4091
4092 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4093             Jan Sjodin  <jan.sjodin@amd.com>
4094             Sebastian Pop  <sebastian.pop@amd.com>
4095
4096         * graphite.c (is_interchange_valid): New.
4097         (graphite_trans_bb_block): Check loop nest of basic block for legality
4098         of interchange.
4099
4100         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4101         outer_most_loop, gbb_outer_most_loop_index): New.
4102
4103         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4104         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4105         * testsuite/gcc.dg/graphite/scop-16.c: New.
4106         * testsuite/gcc.dg/graphite/scop-17.c: New.
4107
4108 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4109
4110         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4111         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4112
4113 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4114
4115         * graphite.c (new_scop): Initialize SCOP_EXIT.
4116         (scopdet_info): Add.
4117         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4118         (build_scops_1): Cleanup, bugfixes.
4119         (build_scops): Cleanup.
4120
4121         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4122         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4123
4124 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4125
4126         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4127
4128         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4129         DEFAULT_GRAPHITE_FLAGS.
4130
4131         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4132
4133 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4134
4135         * graphite.c (scan_tree_for_params): Do not assert any more if
4136         MULT_EXPR parameter is negative.
4137
4138         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4139
4140         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4141
4142         * testsuite/gcc.dg/graphite/scop-15.c: New.
4143
4144 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4145
4146         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4147
4148 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4149
4150         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4151         graphite_swap_loops.
4152         (graphite_trans_bb_move_loop): New.
4153         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4154         (graphite_trans_bb_block): New.
4155         (graphite_trans_loop_block): New.
4156         (graphite_trans_scop_swap_1and2): Rename from
4157         graphite_trans_swap_1and2.
4158         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4159         (graphite_trans_scop_block): New.
4160         (graphite_apply_transformations): Rename from
4161         graphite_transformations.
4162
4163         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4164
4165 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4166
4167         * graphite.c (gbb_compare): New.
4168         (graphite_sort_gbbs): New.
4169         (gbb_can_be_ignored): New.
4170         (scop_remove_ignoreable_gbbs): New.
4171         (graphite_transformations): Cleanup and add
4172         scop_remove_ignoreable_gbbs.
4173         * lambda.h (lambda_vector_compare): New.
4174
4175 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4176
4177         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4178         (graphite_swap_loops): int -> unsigned
4179         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4180         (graphite_transformations): New.
4181         (graphite_transform_loops): Move to graphite_transformations.
4182         * graphite.h (gbb_nb_loops): Return unsigned.
4183
4184 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4185
4186         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4187         the domain matrix.  This makes scop-0.c work again.
4188
4189 2008-06-20  Richard Guenther  <rguenther@suse.de>
4190
4191         * graphite.h: Adjust copyright to GPLv3.
4192         * graphite.c: Likewise.
4193         (stmt_simple_memref_for_scop_p): Split out from ...
4194         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4195         and simplify.
4196         (get_bb_type): Optimize.
4197         (is_pred): Remove.
4198         (is_bb_addable): Fix memleak, replace is_pred call with
4199         single_pred.
4200         (build_scops): Use current_loops.
4201         (param_index): Fix memleak.
4202
4203 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4204
4205         * graphite.c: Fix formatting.
4206
4207 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4208
4209         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4210         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4211         (create_var_name, save_var_name): Newly defined functions.
4212         (initialize_cloog_names): Part of the code factored out to
4213         save_var_name.
4214         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4215         in clast_reduction statement.
4216         (graphite_create_new_loop): Now takes a new parameter
4217         for outer_loop.
4218         (translate_clast): Now also takes the context_loop and bb_exit
4219         parameters. Rewritten the code so that it creates a gimple code
4220         inside the given context.
4221         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4222         remove_cond_expr, disconnect_cond_expr,
4223         disconnect_virtual_phi_nodes): Newly defined functions.
4224         * graphite.h (struct scop): added old_ivs vector.
4225         SCOP_OLDIVS: New macro.
4226
4227 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4228
4229         * cfgloopmanip.c: Add missing function comments, fix formatting.
4230
4231 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4232
4233         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4234         (create_empty_loop_on_edge): Defined.
4235         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4236         instead of void.
4237         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4238         (update_dominators_in_loop): Declared as extern
4239         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4240
4241 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4242
4243         * graphite.c (print_graphite_bb): Allow changing number of loops
4244         in SCoP domain.
4245         (initialize_cloog_names): Allow changing number of loops.
4246         (build_cloog_prog): Simplify.
4247         (find_transform): Enable cloog option --strides.
4248         (graphite_swap_loops): New.
4249         (graphite_strip_mine_loop): New.
4250         (graphite_trans_swap_1and2): New.
4251         (graphite_trans_strip): New.
4252         (graphite_transform_loops): Add graphite_trans_strip.
4253         * graphite.h (scop_max_loop_depth): New.
4254
4255 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4256
4257         * graphite.c (build_scop_iteration_domain): Remove forgotten
4258         line. (Fixes compile)
4259
4260 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4261
4262         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4263         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4264         (build_bb_loops): New.
4265         (graphite_transform_loops): Add build_bb_loops.
4266         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4267         numbers.
4268         * graphite.h (graphite_bb): Add loops.
4269         (gbb_nb_loops): New.
4270         (gbb_loop_at_index): New.
4271         (gbb_loop_index): New.
4272         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4273         using nb_params_in_scop.
4274
4275 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4276
4277         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4278         (build_scop_canonical_schedules): Build minimized schedule.
4279         (schedule_to_scattering): Adapt to minimized schedule.
4280         * graphite.h (graphite_bb): Add/Update descriptions.
4281
4282 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4283             Tobias Grosser  <grosser@fim.uni-passau.de>
4284
4285         * graphite.c (print_graphite_bb): Add condition printing.
4286         (dump_value): New.
4287         (dump_gbb_conditions): New.
4288         (build_scop_conditions_1): New.
4289         (build_scop_conditions): New.
4290         * graphite.h (graphite_bb): Add conditions.
4291
4292 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4293
4294         * graphite.c (print_graphite_bb):
4295         (free_graphite_bb): New.
4296         (free_scop): Free bbs.
4297         (get_bb_type): Free doms.
4298         (build_scop_context): Free context matrix.
4299         (build_loop_iteration_domains): Remove unused code.
4300         (build_cloog_prog): Free scattering function and blocklist.
4301         (find_transform): Free options.
4302
4303 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4304
4305         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4306         Remove unnecessery cloog data structures. Make a copy of the domain
4307         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4308         unnecessary cloog data structures. Fix memory leaks. Remove insert
4309         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4310         used.
4311         (build_scop_iteration_domain): Remove unnecessary cloog
4312         data structures.  Fix memory leaks.
4313         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4314         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4315
4316 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4317
4318         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4319
4320 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4321
4322         * graphite.c (end_scop): Style fix.
4323         (schedule_to_scattering): Style and comment fix.
4324
4325 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4326         * graphite.c (print_graphite_bb): Fix definiton of
4327         schedule_to_scattering.
4328         (initialize_cloog_names): Change nb_scattdims to max loop
4329         depth in SCoP.
4330         (schedule_to_scattering): Take parameter for number of scattering
4331         dimensions.
4332         (build_cloog_prog): Only build as much scattering dimensions as
4333         necessary.
4334
4335 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4336
4337         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4338         in polyhedron/aermod.f90.
4339
4340 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4341             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4342             Harsha Jagasia  <harsha.jagasia@amd.com>
4343
4344         * graphite.c (is_bb_addable): Fix segfault.
4345
4346 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4347
4348         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4349         with multiple exits and conditional handling in edge cases.
4350         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4351
4352         * testsuite/gcc.dg/graphite/scop-14.c: New.
4353
4354 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4355             Adrien Eliche  <aeliche@isty.uvsq.fr>
4356
4357         * graphite.c (is_bb_addable): Add more comments and enhance
4358         readablity of the source code. Fix memory leak.
4359         (is_loop_exit): Fix memory leak.
4360
4361 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4362
4363         * graphite.c (first_loop_in_scop): Deleted.
4364         (setup_cloog_loop): Only walk the loop chain for inner loops.
4365         (build_scop_iteration_domain): Execute setup_cloog_loop for
4366         all loops in the first layer.
4367
4368 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4369
4370         * graphite.c (scan_tree_for_params): Change the way params are
4371         added to be indepenent of the number of loops.
4372         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4373         handling.
4374         (build_cloog_prog): Revert to short matrix format.
4375
4376 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4377             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4378
4379         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4380         warning.
4381
4382 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4383
4384         * graphite.c (nb_data_refs_in_scop): New.
4385         (graphite_transform_loops): Print more stats: number of
4386         loops, basic blocks and data references per scop.
4387
4388 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4389             Jan Sjodin  <jan.sjodin@amd.com>
4390
4391         * graphite.c (loop_affine_expr, idx_record_params,
4392         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4393         instead of instantiate_parameters.
4394
4395 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4396
4397         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4398         add support for parameters, add STATIC_SCHEDULE at the right places,
4399         cleanup.
4400
4401 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4402
4403         * graphite.c (build_scop_loop_nests): Only add the loops, that
4404         are contained completely in the SCoP.
4405         (build_cloog_prog): Disable scattering, until schedule_to_scattering
4406         and the domains are fixed.
4407         (build_scop_canonical_schedules): Add support for bbs not contained
4408         in any SCoP.
4409
4410 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4411
4412         * graphite.h (scop_contains_loop): Update comments to match
4413         the actual behavior.
4414         (scop_contains_loop): New.
4415         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
4416
4417 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4418
4419         * graphite.c (get_bb_type): On function body, i.e. loop_0,
4420         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
4421         as GBB_COND_HEADER.
4422
4423 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4424             Tobias Grosser  <grosser@fim.uni-passau.de>
4425
4426         * graphite.c (graphite_transform_loops): Early return when
4427         there are no loops in the function.
4428
4429 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4430             Jan Sjodin  <jan.sjodin@amd.com>
4431
4432         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
4433         offset of the last loop.
4434         (setup_cloog_loop): Copy the entire outer constraint matrix.
4435
4436 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4437             Jan Sjodin  <jan.sjodin@amd.com>
4438
4439         * graphite.c (stmt_in_scop_p, function_parameter_p,
4440         invariant_in_scop_p): Removed.
4441         (scan_tree_for_params): Can be used with no constraint
4442         matrix for gathering parameters.
4443         (idx_record_params): Don't use idx_record_param, instead use
4444         scan_tree_for_params.
4445         (find_scop_parameters): Same.
4446         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
4447         Fix the size of loop domains.
4448         (schedule_to_scattering): Exit when the outer loop is not in scop.
4449         (find_transform): Enable build_cloog_prog.
4450
4451 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4452             Jan Sjodin  <jan.sjodin@amd.com>
4453
4454         * graphite.c (schedule_to_scattering): Make scattering domains
4455         uniformly of the same size, as required by CLooG 0.14.0 and before.
4456
4457 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4458             Jan Sjodin  <jan.sjodin@amd.com>
4459
4460         * graphite.c (schedule_to_scattering): Rewrite, correct the
4461         translation of the scheduling function to scattering.
4462         (build_cloog_prog): Call schedule_to_scattering only once.
4463         * graphite.h (scop_loop_index): Do not fail for loops not
4464         in the scop: return -1.
4465
4466 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
4467
4468         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
4469         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
4470         (setup_cloog_loop): Export GBB_DOMAIN.
4471         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
4472         able to rebuild the original control flow.
4473         * graphite.h (graphite_bb): Add domain field and access macro.
4474         (GBB_DOMAIN): New.
4475
4476 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4477
4478         * graphite.c (debug_gbb): New.
4479         (print_scop, build_graphite_bb): Use SCOP_BBS.
4480         (build_scop_bbs): Reimplemented.
4481         (dfs_bb_in_scop_p): Removed.
4482         (build_scop_loop_nests): Reorder loops inserted in
4483         SCOP_LOOP_NEST: outer loops should come first.
4484         (build_scop_canonical_schedules): Reinitialize at zero
4485         the components of the SCOP_STATIC_SCHEDULE for the loops
4486         that have already been parsed.
4487
4488         * graphite.h (debug_gbb): Declared.
4489
4490 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4491             Jan Sjodin  <jan.sjodin@amd.com>
4492
4493         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
4494         (graphite_loop_to_gcc_loop): Removed.
4495         (remove_all_edges): New.
4496         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
4497         (gloog): Remove useless code.
4498
4499 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4500
4501         * graphite.c (get_bb_type): Reworked. We distinguish between
4502         loops with one or multiple exits.
4503         (is_loop_exit): New.
4504         (is_pred): New.
4505         (is_bb_addable): Rework condition handling, now support for case
4506         case statements and loops with multiple exits.
4507
4508         * testsuite/gcc.dg/graphite/scop-11.c: New.
4509         * testsuite/gcc.dg/graphite/scop-12.c: New.
4510         * testsuite/gcc.dg/graphite/scop-13.c: New.
4511
4512 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4513
4514         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
4515         we have too many colors.
4516
4517 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
4518
4519         * doc/invoke.texi (-ftree-loop-fusion): Document.
4520         * tree-pass.h (pass_loop_fusion): Declared.
4521         * tree-loop-fusion.c: New.
4522         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
4523         * tree-data-ref.c (find_data_references_in_loop): Make extern.
4524         * tree-data-ref.h (find_data_references_in_loop): Declared.
4525         * common.opt (ftree-loop-fusion): Declared.
4526         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
4527
4528 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
4529
4530         * graphite.c (build_access_matrix): Fix typo from the merge.
4531
4532 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
4533
4534         * Merge from mainline (130800:135673).
4535
4536 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4537
4538         * graphite.c (end_scop): The exit of the scop is not part of the scop.
4539         Update dominators after splitting.
4540
4541 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4542
4543         * graphite.c (is_bb_addable): Return the harmful statement.
4544         Factor up some code.
4545         (end_scop): New.  Splits end of scope bbs on a harmful statement.
4546         (build_scops_1): Call end_scop.
4547
4548 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4549
4550         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
4551         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
4552         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
4553         build_scops_1): Removed.
4554         (build_scops_2): Renamed build_scops_1.
4555
4556 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4557
4558         * graphite.c: Fix formatting.
4559
4560 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4561
4562         * graphite.c (get_bb_type): New.
4563         (move_scops): New.
4564         (build_scops_2): New.
4565         (is_bb_addable): New.
4566         (build_scops): Switch the scop detection.
4567         (build_scop_bbs): Add entry bb to scop.
4568         * graphite.h (struct scop): Update comment.
4569
4570 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4571
4572         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
4573         more colors.
4574
4575 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4576
4577         * testsuite/gcc.dg/graphite/scop-1.c: Update.
4578         * testsuite/gcc.dg/graphite/scop-2.c: Update.
4579         * testsuite/gcc.dg/graphite/scop-4.c: Update.
4580         * testsuite/gcc.dg/graphite/scop-5.c: Add.
4581         * testsuite/gcc.dg/graphite/scop-6.c: Add.
4582
4583 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4584
4585         * testsuite/gcc.dg/graphite/scop-0.c: Add.
4586         * testsuite/gcc.dg/graphite/scop-7.c: Add.
4587         * testsuite/gcc.dg/graphite/scop-8.c: Add.
4588         * testsuite/gcc.dg/graphite/scop-9.c: Add.
4589         * testsuite/gcc.dg/graphite/scop-10.c: Add.
4590
4591 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4592
4593         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
4594         Check affine expressions depending on the outermost loop
4595         instead of a scop.
4596         (stmt_simple_for_scop_p): Same.
4597         (harmfule_stmt_in_scop): Same.
4598
4599 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4600
4601         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
4602         mark entry and exit, that are not part of the SCoP and update HTML
4603         formatting.
4604
4605 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
4606
4607         * graphite.c (basic_block_simple_for_scop_p): Renamed
4608         harmful_stmt_in_bb.
4609         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
4610         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
4611         (all_preds_visited_p, all_succs_visited_p,
4612         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
4613         scop_end_loop): New.
4614         (build_scops): Do not use dfs_enumerate_from.
4615
4616         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
4617
4618 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * graphite.c: Add comments to functions that are missing a
4621         description.
4622         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
4623
4624 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4625
4626         * graphite.c (nb_params_in_scop): Moved...
4627         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
4628         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
4629         (clast_to_gcc_expression): Reduce column size to less than 80.
4630         (graphite_create_iv): Return the new name of the IV.
4631         (find_transform): Set options->esp and options->cpp.
4632         (gloog): Comment out the invalidation of the old loop code.
4633         (initialize_dependence_polyhedron): Replace scop_nb_params with
4634         nb_params_in_scop.
4635
4636         * graphite.h (nb_params_in_scop): ... here.
4637         (scop_nb_params): Removed.
4638         (loop_domain_dim): Return something even when the loop was not
4639         found in the hash table: avoid ICEing on all the graphite.exp
4640         testcases.
4641
4642 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4643
4644         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
4645
4646         * graphite.c (build_scop_dynamic_schedules): Schedule is built
4647         according to nesting level.
4648         (find_scop_parameters): Call instantiate_parameters.
4649         (scan_tree_for_params): Extend it to handle general affine bounds.
4650         Inner loop bound can depend on outer loop induction variable.
4651         (setup_cloog_loop): tmp variable is allocated on stack. Call
4652         instantiate_parameters with respect to outermost_loop_in_scop.
4653         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
4654         graphite.h.
4655         (create_empty_loop): Function loopify should be given edge
4656         probability, instead of edge frequency. Dominance relation from
4657         switch_bb to loop_header.
4658         (clast_to_gcc_expression): Added handling of clast_reduction node.
4659         (gloog): New functionality for removing old loop.
4660         (test_dependence): Factored out from build_rdg_all_levels.
4661         (build_rdg_all_levels): Dependence testing factored out to
4662         test_dependence function.
4663
4664         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
4665         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
4666         from graphite.c
4667
4668 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4669
4670         * graphite.c (free_scop, param_index, initialize_cloog_names,
4671         nb_params_in_scop): Use name_tree map instead of just a tree
4672         for keeping track of the variable name associated to that tree.
4673         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
4674         clast_to_gcc_expression, graphite_create_iv,
4675         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
4676         graphite_stmt_to_gcc_stmt): New.
4677         (gloog): Call these.
4678         * graphite.h (struct name_tree): New.
4679         (struct scop): Use name_tree instead of tree for params.
4680         Store a vector of name_tree for new_ivs.
4681         (SCOP_NEWIVS): New.
4682         (scop_nb_params): Use name_tree instead of tree.
4683
4684 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
4685             Sebastian Pop  <sebastian.pop@amd.com>
4686
4687         * tree-bounds.c: New.
4688         * tree-bounds.h: New.
4689         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
4690         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
4691         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
4692         flag_mudflap.
4693         * gcc.c: Same.
4694         * toplev.c: Same.
4695         * c-cppbuiltin.c: Same.
4696         * c-pragma.c: Same.
4697         * common.opt: Same.
4698         * varasm.c: Same.
4699         * tree-outof-ssa.c: Same.
4700         * c-common.c: Same.
4701         * Makefile.in: Same.
4702
4703 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
4704             Sebastian Pop  <sebastian.pop@amd.com>
4705
4706         * tree-loop-distribution.c (remaining_stmts,
4707         upstream_mem_writes): Removed static variables.
4708         (copy_loop_before, create_bb_after_loop,
4709         mark_nodes_having_upstream_mem_writes, free_rdg_components,
4710         rdg_build_components, rdg_build_partitions,
4711         dump_rdg_partitions): Extern.
4712         (generate_loops_for_partition, generate_code_for_partition): Do not
4713         return a bool.
4714         (already_processed_vertex_p, predecessor_has_mem_write,
4715         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
4716         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
4717         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
4718         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
4719         Pass remaining_stmts and upstream_mem_writes as parameters.
4720         (rdg_component): Moved...
4721         (build_rdg_partition_for_component): Do not aggregate components when
4722         flag_streamize_loops is set.
4723         (gen_sequential_loops): New.
4724         (ldist_gen): Call gen_sequential_loops.
4725
4726         * tree-pass.h (pass_loop_streamization): Declared.
4727
4728         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
4729         basic blocks when loops structures exist.
4730
4731         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
4732
4733         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
4734
4735         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4736         eliminate_local_variables_stmt, eliminate_local_variables,
4737         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4738         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4739         of code delimited by two edges in the CFG.
4740         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4741         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4742         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
4743         the case of parallelisation of reductions.
4744         (create_loop_fn): Extern.
4745         (create_omp_parallel_region): New.
4746
4747         * tree-data-ref.c (dump_data_dependence_relation): Don't call
4748         dump_data_reference for printing dra and drb.
4749         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
4750         RDGE_RELATION.
4751         (build_rdg): Don't call free_dependence_relations for the moment, as
4752         we attach dependence relations on each edge of the RDG.
4753         To be fixed later.
4754
4755         * tree-data-ref.h (rdg_component): ...here.
4756         (struct rdg_edge): New field ddr_p relation.
4757         (RDGE_RELATION): New.
4758         (create_bb_after_loop, copy_loop_before,
4759         mark_nodes_having_upstream_mem_writes, rdg_build_components,
4760         rdg_build_partitions, dump_rdg_partitions,
4761         free_rdg_components): Declared.
4762
4763         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
4764         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
4765
4766         * tree-loop-streamization.c: New.
4767
4768         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
4769         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
4770
4771         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
4772
4773         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4774
4775         * passes.c: Schedule pass_loop_streamization.
4776
4777 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
4778
4779         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
4780         update comment.
4781
4782 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4783
4784         * graphite.c (dot_all_scops): Update formatting.
4785         Bbs can now be part of more than one SCoP.
4786
4787 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4788
4789         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
4790         malloc problems.
4791         (loop_domain_dim): Check for unregistered toplev SCOP loop.
4792         * graphite.h (loop_to_cloog_loop): New.
4793
4794 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4795
4796         * graphite.c (loop_domain_dim, ref_nb_loops,
4797         loop_iteration_vector_dim): New.
4798         (build_access_matrix_with_af, build_access_matrix,
4799         initialize_dependence_polyhedron): Fixed for new matrix layout.
4800         No longer assume that all iteration domains are of the same
4801         dimensionality.
4802
4803 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4804
4805         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4806         defined in a loop at depth 0 is invariant.
4807         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4808         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4809         be called at loop depth 0.
4810
4811         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
4812         a parameter.
4813         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
4814         (down_open_scop): Removed.
4815         (loop_in_scop_p): Redefined.
4816         (scop_affine_expr): New argument: scop.
4817         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
4818         a harmful statement ending a scop.
4819         (basic_block_simple_for_scop_p): New argument: scop.
4820         (get_loop_start): Removed.
4821         (new_scop): Initialize SCOP_LOOPS.
4822         (free_scop): Free SCOP_LOOPS.
4823         (succs_at_same_depth, preds_at_same_depth): New.
4824         (end_scop): Test the validity of a scop.
4825         (add_dominators_to_open_scops): New.
4826         (test_for_scop_bound): Call add_dominators_to_open_scops.
4827         Add cases for opening and closing multiple scops.
4828         (build_scops, build_scop_bbs): Iterate over basic blocks in
4829         depth first order.
4830         (build_graphite_bb): Pass scop directly.
4831         (dfs_bb_in_scop_p): New.
4832         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
4833         several times.
4834         (nb_loops_around_gb): Use loop_in_scop_p.
4835         (schedule_to_scattering): Disabled for the moment the code computing
4836         the "textual order for outer loop".
4837
4838         * graphite.h (struct scop): New field loops.
4839         (SCOP_LOOPS): New.
4840         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
4841
4842         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
4843
4844 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
4845             Sebastian Pop  <sebastian.pop@amd.com>
4846
4847         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
4848         * common.opt (fstreamize-loops): New.
4849         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
4850         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
4851         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
4852         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
4853
4854 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4855
4856         * tree-data-ref.c (build_empty_rdg): New.
4857         (build_rdg): Use it.
4858         * tree-data-ref.h (build_empty_rdg): Declared.
4859         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
4860         (find_vertex_for_stmt): Removed.
4861         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
4862
4863 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4864
4865         * tree-loop-distribution.c (generate_builtin): After cancelling the
4866         loop tree, also delete basic blocks.
4867         (rdg_flag_uses): Stop recursion when a vertex has already been
4868         processed.
4869
4870 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4871
4872         * graphite.c (build_scop_alpha): Removed.
4873         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
4874         and dump_dependence_graph to avoid compiler warnings.
4875
4876 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4877
4878         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
4879         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
4880         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4881         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
4882         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
4883         (initialize_dependence_polyhedron, find_vertex_for_stmt,
4884         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4885         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
4886         dump_dependence_graph): New.
4887         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
4888         (GBB_ALPHA): New.
4889         (struct scop): New field loop2cloog_loop.
4890         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
4891         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
4892
4893 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4894
4895         * graphite.c (build_graphite_bb): Fix initialization
4896         of the graphite basic block.
4897
4898 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4899
4900         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
4901         loop domain matrix.  Pass in the number of loops contained in the
4902         constraint matrix.
4903         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
4904         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
4905         loops that are not surrounding the current loop are not represented
4906         in the domain constraint matrix.
4907         (build_scop_iteration_domain): Initial domain constraint matrix
4908         contains only the eq/ineq, cst, and scop parameters columns.
4909
4910 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4911
4912         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
4913         (print_graphite_bb): Print scattering.
4914
4915 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4916
4917         * graphite.c (initialize_cloog_names): Initialize names of
4918         scattering variables.
4919
4920 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4921
4922         * graphite.c (dot_all_scops_1): Disable debug output while
4923         printing graph.
4924
4925 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4926
4927         * graphite.c (find_transform): Change cloog output language to C.
4928
4929 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
4930
4931         * tree-loop-distribution.c (generate_memset_zero,
4932         generate_builtin, generate_code_for_partition,
4933         rdg_flag_all_uses): New.
4934         (rdg_flag_uses): Gather in the same partition the statements defining
4935         the VUSES of the current statement.
4936         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
4937         Gather in the same partition not only the stores to the same memory
4938         access, but also the reads.
4939         (ldist_generate_loops): Renamed ldist_gen.
4940
4941 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
4942             Tobias Grosser  <grosser@fmi.uni-passau.de>
4943
4944         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
4945         next pointer, don't use the inner pointer.
4946
4947 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
4948
4949         * graphite.c (dot_all_scops, dot_all_scops_1): New.
4950         (find_transform): Call dot_all_1.
4951         * graphite.h (dot_all_scops): Declared.
4952
4953 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
4954
4955         * tree-loop-distribution.c: Fix apsi.f ICE.
4956         (create_bb_after_loop): New.
4957         (generate_loops_for_partition): Use it.
4958         * testsuite/gfortran.dg/ldist-1.f90: New.
4959
4960         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
4961         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
4962
4963 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4964
4965         * graphite.c (find_transform): Dump cloog program sent to cloog.
4966
4967 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4968
4969         * graphite.c (initialize_cloog_names): Initialize cloog
4970         iterator names.
4971
4972 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
4973
4974         * graphite.c (build_scop_context): Fix typo, for the matrix
4975         format: insert '0 >= 0' instead of '-1 >= 0'.
4976
4977 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
4978
4979         * Fix merge problems.
4980
4981 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
4982
4983         * graphite.c (setup_cloog_loop): Fix typo.
4984
4985 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4986
4987         * doc/invoke.texi (-ftree-loop-distribution): Documented.
4988         * tree-loop-distribution.c: Reimplemented.
4989         * tree-pass.h (pass_loop_distribution): New.
4990         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
4991         print_loops.
4992         * graphds.h (struct graph): New field indexes.
4993         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4994
4995         * tree-vect-analyze.c: Remove declaration of static functions when not
4996         needed.
4997         * tree-vectorizer.c: Same.
4998         (rename_variables_in_loop): Now extern.
4999         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5000         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5001         calling redirect_edge_and_branch_force.
5002
5003         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5004
5005         * tree-data-ref.c: Don't include tree-chrec.h.
5006         (debug_data_dependence_relations): New.
5007         (dump_data_dependence_relation): Call dump_data_reference on data refs
5008         in the relation.
5009         (same_access_functions): Moved...
5010         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5011         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5012         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5013         struct rdg_vertex_info, ): New.
5014         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5015         at DDR_REVERSED_P.
5016         (create_rdg_vertices): Initialize the htab of graph->indexes.
5017         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5018         (stmts_from_loop): Don't save LABEL_EXPR.
5019         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5020         hash_stmt_vertex_del): New.
5021         (build_rdg): Initialize rdg->indexes.
5022         (free_rdg, stores_from_loop, ref_base_address,
5023         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5024         have_similar_memory_accesses_1, ref_base_address_1,
5025         remove_similar_memory_refs): New.
5026
5027         * tree-data-ref.h: Include tree-chrec.h.
5028         (debug_data_dependence_relations): Declared.
5029         (same_access_functions): ...here.  Now static inline.
5030         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5031         ddr_dependence_level): New.
5032         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5033         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5034         RDG_MEM_READS_STMT): New.
5035         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5036         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5037         rdg_vertex_for_stmt): Declared.
5038         (struct rdg_edge): New field level.
5039         (RDGE_LEVEL, free_rdg): New.
5040         (stores_from_loop, remove_similar_memory_refs,
5041         rdg_defs_used_in_other_loops_p,
5042         have_similar_memory_accesses): Declared.
5043         (rdg_has_similar_memory_accesses): New.
5044
5045         * lambda.h (dependence_level): New.
5046         * common.opt (ftree-loop-distribution): New.
5047         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5048         (print_loop_ir): Renamed print_loops.
5049         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5050         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5051         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5052         (tree-loop-distribution.o): Added.
5053         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5054         (mark_virtual_ops_in_bb): New.
5055         (print_loops_bb, debug_loop_num, debug_loop): New.
5056         * passes.c: Scheduled pass_loop_distribution.
5057
5058 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5059
5060         * graphite.c (scan_tree_for_params): Correct the number of columns
5061         for polylib format.
5062         (nb_flat_iterator): New.
5063         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5064         (build_scop_iteration_domain): Correct the number of columns for
5065         polylib format.
5066
5067 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5068
5069         * Merge from mainline (129697:130800).
5070
5071 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5072
5073         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5074         dominated by SCoP's exit.
5075         (graphite_transform_loops): Compute post dominators.
5076
5077 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5078
5079         * Merge from mainline (127169:129697).
5080
5081 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5082
5083         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5084         parameter for the basic block that contains the expression.  Use
5085         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5086         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5087         the expression.
5088         * graphite.h (gbb_loop): New.
5089         (GBB_LOOP): Removed.
5090
5091 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5092
5093         * Makefile.in: Fix merge problem.
5094
5095 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5096
5097         * Merge from mainline (125309:127169).
5098         * tree-loop-distribution.c: Disabled.
5099
5100 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5101
5102         * Merge from mainline (r123693:125309).
5103
5104 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5105
5106         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5107         correct_modify_p
5108         (correct_modify_p, check_statements, number_of_lvalue_uses,
5109         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5110         instead of MODIFY_EXPR.
5111         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5112         and push new edges.
5113
5114 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5115
5116         * tree-loop-distribution.c (struct rdg): Replace arrays by
5117         VECs for edges and vertices.
5118         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5119         (RDGV_NB_PARTITIONS): New.
5120         (PRDG_NBV, PRDG_NBE): Removed.
5121         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5122         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5123         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5124
5125 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5126             Sebastian Pop  <sebpop@gmail.com>
5127
5128         * doc/invoke.texi (-ftree-loop-distribution): Document.
5129         * tree-loop-distribution.c: New file.
5130         * tree-pass.h (pass_loop_distribution): Declared.
5131         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5132         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5133         and set reversed_p.
5134         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5135         (DDR_REVERSED_P): New.
5136         * common.opt (-ftree-loop-distribution): New.
5137         * tree-flow.h (distribute_loops): Declared.
5138         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5139         * passes.c (init_optimization_passes): Schedule loop distribution.
5140
5141 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5142
5143         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5144         (print_scop): Don't print when scop is NULL.
5145         (build_scop_context, find_transform): Don't output to stderr.
5146
5147 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5148
5149         * tree-data-ref.c: Don't include graphite.h.
5150         Comment out the code for printing data reference's scop.
5151         (build_access_matrix_with_af): Moved...
5152         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5153         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5154         (print_graphite_bb): Print basic block's schedule.
5155         (print_scop): Don't print the schedule, call cloog's pretty printer.
5156         (bb_in_scop_p): A basic block is in a scop only if it is both
5157         dominated and postdominated by the scop's entry and exit basic blocks.
5158         (function_parameter_p): New.
5159         (invariant_in_scop_p): Use function_parameter_p.
5160         (new_scop, save_scop): New.
5161         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5162         save_scop.
5163         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5164         (loop_in_scop_p): New.
5165         (scop_record_loop): Use loop_in_scop_p.
5166         (build_scop_domain): Renamed build_scop_iteration_domain.
5167         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5168         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5169         setup_cloog_loop, dot_scop_1, dot_scop): New.
5170         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5171         (struct scop): Add a pointer to cloog's representation of a program.
5172
5173 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5174
5175         * doc/invoke.texi (-ftree-check-verbose): Renamed
5176         -ftree-checks-verbose.
5177         * common.opt (flag_tree_check_verbose): Renamed
5178         flag_tree_checks_verbose.
5179         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5180
5181 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5182
5183         * configure: Regenerated.
5184         * config.in: Regenerated.
5185         * tree-ssa-loop.c (graphite_transforms): Execute
5186         graphite_transform_loops only when HAVE_cloog.
5187         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5188         * graphite.c: Include polylibgmp.h and cloog.h.
5189         (graphite_transform_loops): Removed loops parameter.
5190         * tree-flow.h (graphite_transform_loops): Update declaration.
5191         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5192         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5193         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5194         (OBJS-common): Remove dependence on graphite.o.
5195         (BACKEND): Depend on @GRAPHITE@.
5196
5197 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5198
5199         * doc/invoke.texi (-ftree-check-verbose): Documented.
5200         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5201         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5202         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5203         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5204         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5205         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5206         * common.opt (ftree-checks-verbose): New.
5207         * tree-check.c (tree_check_warning): Move extra stderr output
5208         under control of flag_tree_check_verbose.
5209
5210 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5211
5212         * tree-match.c: Fix comments formatting.
5213         * tree-match.h: Fix comments formatting.
5214         * tree-check.c: Fix comments formatting.
5215         (tree_check_init): Restructure.
5216
5217 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5218
5219         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5220
5221 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5222
5223         * Merge from mainline (r120733:123693).
5224
5225 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5226
5227         * condate.y: New file.
5228         * tree-match.h (struct patt_info_s): New field sign.
5229         (struct condate_s): New field msg.
5230         (normalize_condate, name_condate, add_condate): New.
5231         (conds[], condate_parse): Made extern.
5232         * tree-check.c (tree_check_warning): First arg changed to cond;
5233         warning reformatted.
5234         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5235         (tree_scan): New.
5236         (tree_check): Process trivial condates.
5237         (read_delimited_string): Removed.
5238         (print_cond): Print name and msg.
5239         (conds[]): Made extern.
5240         (parse_tree_check_file_once): Rewritten to use the parser in
5241         condate.y.
5242         Processing of option --tree_check_string moved to tree_scan().
5243         * Makefile.in: Added condate.y
5244
5245 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5246
5247         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5248         Use VECs instead of varrays.
5249         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5250         * Makefile.in (pretty-print.o): Depend on vec.h.
5251         * pretty-print.c: Include tree.h and vec.h.
5252         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5253         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5254         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5255         pp_free_list): Use VECs instead of varrays.
5256         * pretty-print.h: Do not include varray.h.
5257         (struct tree_chunk_s): Declaration moved before its use.
5258         (output_buffer): Rename varray field to chunks.
5259         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5260         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5261         save_global_holes): Use VECs instead of varrays.
5262         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5263         * tree-check.c (scan_cfg_stmts, push_node,
5264         print_matching_stmt): Removed.
5265         (tree_check_instance, push_global_holes_if_new, tree_check,
5266         execute_tree_check): Use VECs instead of varrays.
5267         (gate_tree_check): Don't execute the CFG check when basic_block_info
5268         is not available.
5269
5270 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5271
5272         * Merge from mainline (r115016:120733).
5273
5274 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5275
5276         * Merge from mainline (r117632:117661).
5277
5278 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5279
5280         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5281         * tree-pass.h (TDF_DEBUG, debug_p): New.
5282         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5283         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5284         get_loop_exit_condition, analyze_evolution_in_loop,
5285         analyze_initial_condition, analyze_scalar_evolution,
5286         instantiate_parameters, number_of_latch_executions): Use debug_p.
5287         * tree-chrec.c (chrec_apply): Use debug_p.
5288         * tree-data-ref.c: Include graphite.h.
5289         (dump_data_reference): Print also the access matrix.
5290         (analyze_array, analyze_indirect_ref, init_data_ref,
5291         analyze_offset_expr, address_analysis, object_analysis,
5292         create_data_ref, finalize_ddr_dependent,
5293         non_affine_dependence_relation, analyze_ziv_subscript,
5294         analyze_siv_subscript_cst_affine,
5295         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5296         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5297         analyze_miv_subscript, analyze_overlapping_iterations,
5298         build_classic_dist_vector, subscript_dependence_tester,
5299         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5300         (build_access_matrix_with_af): No longer static.
5301         * tree-data-ref.h (scop_p): ... declaration here.
5302         (data_reference.scop): New field.
5303         (DR_SCOP, DR_ACCESS_MATRIX): New.
5304         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5305         * graphite.c (print_graphite_bb): Call dump_data_references.
5306         (print_scop): Use scop_nb_loops and scop_dim_domain.
5307         (test_for_scop_bound): Use debug_p.
5308         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5309         scop_nb_params.
5310         (scop_loop_index): Moved...
5311         (scop_record_loop): New.
5312         (build_scop_loop_nests): Use scop_record_loop.
5313         (build_scop_domain): Use scop_dim_domain.
5314         (build_access_matrix): Implemented.
5315         (build_scop_canonical_schedules): Use scop_nb_loops.
5316         (build_graphite_bb): Initialize GBB_SCOP.
5317         * graphite.h (scop_p): Moved...
5318         (graphite_bb.scop): New field.
5319         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5320         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5321         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5322         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5323         scop_loop_index): New.
5324         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5325
5326 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5327
5328         * Merge from mainline (r117661:120450).
5329
5330 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5331
5332         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5333         at the first declaration outside the varying loop, instantiate as
5334         far as possible.
5335         * tree-chrec.c (for_each_scev_op): New.
5336         * tree-chrec.h (for_each_scev_op): Declared.
5337         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5338         * tree-data-ref.c (get_references_in_stmt,
5339         find_data_references_in_stmt): New, from trunk.
5340         (find_data_references_in_loop): Use get_references_in_stmt
5341         and find_data_references_in_loop, modified as in trunk.
5342         (build_access_matrix_with_af): New.
5343         * tree-data-ref.h (data_reference): Add a field access_matrix.
5344         (data_ref_loc): New, as in trunk.
5345         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5346         invariant_in_scop_p, param_index, scan_tree_for_params,
5347         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5348         idx_record_param, idx_record_params, build_access_matrix,
5349         build_scop_data_accesses, build_scop_canonical_schedules,
5350         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5351         build_scop_params): New.
5352         * graphite.h (graphite_bb): New.
5353         (scop): Add fields static_schedule, params, loop_nest,
5354         iteration_domain.
5355         * lambda.h: Declare vecs of lambda_matrix.
5356         * tree-flow.h (print_loop_ir_bb): Declared.
5357         * tree-cfg.c (print_loop_ir_bb): New.
5358         (print_loop): Use print_loop_ir_bb.
5359
5360 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5361
5362         * Merge from mainline (r115016:117632).
5363
5364 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5365
5366         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5367         break due to a warning.
5368
5369 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5370
5371         * graphite.c (print_scops, debug_scops): New.
5372         (graphite_transform): Renamed graphite_find_transform.
5373         * graphite.h (debug_scops): Declared.
5374
5375 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5376
5377         * tree-match.c: Reformat following the GNU style.
5378         * tree-match.h: Reformat following the GNU style.
5379         * tree-pattern.h: Removed empty file.
5380         * Makefile.in: Remove references to tree-pattern.h.
5381         * tree-check.c: Reformat following the GNU style.
5382         (execute_tree_check): Move gate condition code to...
5383         (gate_tree_check): ...here.  New function.
5384         (pass_check): Use the gate function.
5385
5386 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5387
5388         * tree-pattern.h: New. Tree pattern matching and checking using
5389         concrete syntax.
5390         * tree-check.c: New. Tree/CFG checking pass.
5391         * tree-match.c: New. Library for tree pattern matching.
5392         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5393         * toplev.c, flags.h: Add globals for tree-check pass.
5394         * Makefile.in: Integrate the files in tree-check pass.
5395         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5396         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5397         Introduce a "lazy" pretty-print mode.
5398         * tree.c, tree.h: Add tree_name.
5399
5400 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5401
5402         * doc/invoke.texi (-fgraphite): Correct typo.
5403         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
5404         use of print_loop_ir.
5405         * testsuite/gcc.dg/graphite/scop-1.c: New.
5406         * testsuite/gcc.dg/graphite/scop-2.c: New.
5407         * testsuite/gcc.dg/graphite/graphite.exp: New.
5408         * graphite.c: Include domwalk.h.
5409         (print_scop): Print only the entry and exit blocks.
5410         (debug_scop): No longer static.
5411         (affine_expr): Fix formating.  Return also true when the expression is
5412         constant.
5413         (stmt_simple_for_scop_p): Fix formating.
5414         (build_scops): Use domwalk.
5415         (get_loop_start, end_scop, test_for_scop_bound): New.
5416         (graphite_transform_loops): Avoid printing on stderr.
5417         * graphite.h (debug_scop): Declared.
5418         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
5419         * Makefile.in (graphite.o): Depend on domwalk.h.
5420         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
5421         declarations for static functions.
5422         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
5423         controlling output verbosity.
5424
5425 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
5426             Plesco Alexandru  <shurikx@gmail.com>
5427
5428         * doc/invoke.texi (-fgraphite): Document.
5429         * tree-pass.h (pass_graphite_transforms): Declared.
5430         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
5431         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
5432         (pass_graphite_transforms): Defined.
5433         * tree-data-ref.c (free_data_ref, data_reference): Extern.
5434         * tree-data-ref.h (free_data_ref, data_reference): Declared.
5435         * graphite.c, graphite.h: New.
5436         * common.opt (fgraphite): Declared.
5437         * tree-flow.h (graphite_transform_loops): Declared.
5438         * Makefile.in (OBJS-common): Add graphite.o.
5439         (graphite.o): New rule.
5440         * passes.c (pass_graphite_transforms): Scheduled.
5441