gcc/ChangeLog.graphite

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