gcc/ChangeLog.graphite

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