gcc/ChangeLog.graphite

   1 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * doc/passes.texi: Document the Graphite infrastructure.
   4
   5 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
   8         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
   9         and check the SSA representation.
  10
  11         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
  12
  13 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  14
  15         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
  16
  17 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         * gcc.dg/graphite/interchange-11.c: New.
  20
  21 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
  24
  25 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
  28         Add -fno-loop-strip-mine and -fno-loop-interchange.
  29         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
  30         -fno-loop-strip-mine.
  31         * gfortran.dg/graphite/graphite.exp: Same.
  32
  33 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  34
  35         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
  36         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
  37         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
  38         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
  39         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
  40         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
  41         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
  42         DEFAULT_FLAGS_GRAPHITE_SCOP.
  43         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
  44         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
  45
  46 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  47
  48         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
  49
  50 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  51             Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         * graphite-interchange.c (build_linearized_memory_access): Pass an
  54         offset as parameter.
  55         (memory_stride_in_loop): Include transform scattering in the
  56         access functions to be able to querry the strides in the
  57         transformed loops.
  58         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
  59         not the psct_iterator_dim.
  60
  61 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * graphite-blocking.c (pbb_do_strip_mine): Removed.
  64         (lst_do_strip_mine_loop): New.
  65         (lst_do_strip_mine): New.
  66         (scop_do_strip_mine): Call lst_do_strip_mine.
  67         * graphite-poly.h (lst_add_loop_under_loop): New.
  68         (lst_find_first_pbb): New.
  69
  70 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         * graphite-poly.c (loop_to_lst): Fix LST creation.
  73
  74 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
  75
  76         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
  77         sizeof(unsigned long) to make it run on 32bit systems.
  78
  79 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
  80
  81         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
  82         SEGFAULT on 32bit.
  83
  84 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  85
  86         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
  87         Comment.
  88         (write_alias_graph_to_ascii_dot): New.
  89         (write_alias_graph_to_ascii_ecc): Ditto.
  90         (partition_drs_to_sets): Add testing of optimality of current method
  91         which assigns alias numbers according to DFS Comopnent number.  used
  92         as heuristic for the upcoming ECC algorithm.
  93         (build_scop_drs): Write to file also with the ecc and dot format.
  94
  95 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * gfortran.dg/graphite/interchange-1.f: XFail.
  98
  99 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * graphite.c (graphite_initialize): Do not handle functions with
 102         more than 100 basic blocks.
 103
 104 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         * graphite-blocking.c (pbb_do_strip_mine): Use
 107         PARAM_LOOP_BLOCK_TILE_SIZE.
 108
 109 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         * graphite-poly.c (dot_lst_1): New.
 112         (dot_lst): New.
 113         * graphite-poly.h (dot_lst): Declared.
 114
 115 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * graphite-dependences.c (dot_deps_stmt_1): New.
 118         (dot_deps_stmt): New.
 119         * graphite-dependences.h (dot_deps_stmt): Declared.
 120
 121 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 124         not replace cross BB scalar dependences ending on PHI nodes.
 125         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 126
 127 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         * graphite-poly.c (apply_poly_transforms): Implement the high
 130         level driver for flag_loop_block.
 131         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 132         flag_loop_block.
 133
 134         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 135         -floop-block.
 136         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 137         Add -floop-block.
 138
 139 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 140
 141         * graphite-poly.h (lst_find_pbb): New.
 142         (find_lst_loop): New.
 143
 144 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 145
 146         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 147         * graphite-poly.h (struct scop): Remove dep_graph field.
 148         (SCOP_DEP_GRAPH): Removed.
 149
 150 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 151
 152         * graphite-poly.h (copy_lst): Do full copy of LST.
 153
 154 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 157         when the loop stride is zero.
 158
 159         * gcc.dg/graphite/id-16.c: New.
 160
 161 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 162
 163         * graphite-dependences.c (reduction_dr_1): New.
 164         (reduction_dr_p): New.
 165         (graphite_legal_transform_dr): Call reduction_dr_p.
 166         (reduction_ddr): Renamed reduction_ddr_p.
 167         * graphite-poly.h (same_pdr_p): New.
 168         (number_of_write_pdrs): New.
 169         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 170         (split_reduction_stmt): Do not split reduction statements
 171         when there are no writes to memory.
 172         (translate_scalar_reduction_to_array_for_stmt): Insert the
 173         memory reduction statement just after the scalar reduction statement.
 174
 175         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 176         Un-XFAIL-ed.
 177         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 178         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 179
 180 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 181
 182         * graphite-interchange.c (lst_apply_interchange): New.
 183         (lst_interchange_profitable_p): New.
 184         (lst_try_interchange_loops): New.
 185         (lst_try_interchange): New.
 186         (lst_do_interchange): New.
 187         (pbb_do_interchange): Removed.
 188         (scop_do_interchange): Call lst_do_interchange.
 189
 190 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 191
 192         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 193         SCOP_TRANSFORMED_SCHEDULE.
 194         (loop_to_lst): New.
 195         (scop_to_lst): New.
 196         (print_lst): New.
 197         (debug_lst): New.
 198         * graphite-poly.h (lst_p): New.
 199         (struct lst): New.
 200         (LST_LOOP_P): New.
 201         (LST_LOOP_FATHER): New.
 202         (LST_PBB): New.
 203         (LST_SEQ): New.
 204         (scop_to_lst): Declared.
 205         (print_lst): Declared.
 206         (debug_lst): Declared.
 207         (new_lst_loop): New.
 208         (new_lst_stmt): New.
 209         (copy_lst): New.
 210         (lst_depth): New.
 211         (lst_dewey_number): New.
 212         (struct scop): Add original_schedule and transformed_schedule fields.
 213         (SCOP_ORIGINAL_SCHEDULE): New.
 214         (SCOP_TRANSFORMED_SCHEDULE): New.
 215         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 216
 217 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         * graphite-dependences.c (reduction_ddr): New.
 220         (graphite_legal_transform_bb): Call reduction_ddr.
 221         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 222         Initialize PBB_IS_REDUCTION.
 223         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 224         (PBB_IS_REDUCTION): New.
 225         (new_poly_bb): Update declaration.
 226         * graphite-scop-detection.h (build_scop_bbs): Removed.
 227         (nb_reductions_in_loop): Removed.
 228         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 229         parameter for reductions.
 230         (try_generate_gimple_bb): Update call to new_poly_bb.
 231         (build_scop_bbs_1): Same.
 232         (build_scop_bbs): Same.
 233         (gsi_for_phi_node): New.
 234         (scalar_close_phi_node_p): Remove gcc_assert.
 235         (split_reduction_stmt): New.
 236         (is_reduction_operation_p): New.
 237         (phi_contains_arg): New.
 238         (follow_ssa_with_commutative_ops): New.
 239         (detect_commutative_reduction_arg): New.
 240         (detect_commutative_reduction_assign): New.
 241         (follow_inital_value_to_phi): New.
 242         (edge_initial_value_for_loop_phi): New.
 243         (initial_value_for_loop_phi): New.
 244         (detect_commutative_reduction): New.
 245         (translate_scalar_reduction_to_array_for_stmt): New.
 246         (insert_copyout): New.
 247         (insert_copyin): New.
 248         (translate_scalar_reduction_to_array): New.
 249         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 250         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 251         (rewrite_commutative_reductions_out_of_ssa): New.
 252         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 253         * sese.h (split_region_for_bb): New.
 254
 255         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 256         * gcc.dg/graphite/interchange-1.c: Fix format.
 257         * gcc.dg/graphite/interchange-10.c: New.
 258
 259 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 260
 261         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 262         buggy assert.
 263
 264 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 265
 266         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 267         (rewrite_cross_bb_scalar_dependence): New.
 268         (rewrite_cross_bb_scalar_deps): New.
 269         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 270         Call rewrite_cross_bb_scalar_deps.
 271
 272 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 275         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 276         gsi_for_stmt.
 277
 278 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 279
 280         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 281         * graphite-interchange.c (pbb_do_interchange): Same.
 282         * graphite-poly.c (print_scattering_function): Same.
 283         (debug_pdrs): Same.
 284         * graphite-poly.h (pbb_loop): New.
 285         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 286
 287 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 290
 291 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 294         so don't pass a pointer to it.
 295         (build_alias_set_for_drs): Same.
 296         (build_base_obj_set_for_drs): Same.
 297         (build_scop_drs): Same.
 298
 299 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 300
 301         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 302         the alias graph of data references.
 303
 304 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 305
 306         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 307         (build_scop_drs): When debugging, write the alias graph to file,
 308         otherwise, should be disabled.
 309
 310 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 311
 312         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 313         (is_simple_operand): Remove call to stmt_simple_memref_p.
 314         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 315
 316 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 317
 318         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 319         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 320         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 321         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 322         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 323
 324 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 325
 326         PR middle-end/41118
 327         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 328         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 329         (graphite_carried_dependence_level_k): Ditto.
 330         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 331         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 332         (new_poly_dr): Adjust declaration.
 333         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 334         (free_gimple_bb): Added free_data_refs_aux.
 335         (build_poly_dr): Add dr_base_object_set.
 336         (partition_drs_to_sets): New.
 337         (dr_same_base_object_p): New.
 338         (build_alias_set_for_drs): New.
 339         (build_base_object_set_for_drs): New.
 340         (build_scop_drs): Add build_base_obj_set_for_drs.
 341         * graphite-sese-to-poly.h: Added #define for alias set number index and
 342         base object set index.
 343         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 344         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 345
 346 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 347
 348         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 349         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 350
 351 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * graphite-sese-to-poly.c (struct irp_data): Removed.
 354         (idx_record_params): Removed.
 355         (find_params_in_bb): Scan for parameters the access functions; don't
 356         parse the tree representation.
 357
 358 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 359
 360         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 361         passes at -O1 and below.
 362
 363 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 364
 365         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 366         tree-scalar-evolution.h, and then tree-data-ref.h.
 367         * graphite-clast-to-gimple.c: Same.
 368         * graphite-dependences.c: Same.
 369         * graphite-interchange.c: Same.
 370         * graphite-poly.c: Same.
 371         * graphite-scop-detection.c: Same.
 372         * graphite-sese-to-poly.c: Same.
 373         * graphite.c: Same.
 374         * lambda-code.c: Same.
 375         * matrix-reorg.c: Same.
 376         * tree-data-ref.c: Same.
 377         * tree-if-conv.c: Same.
 378         * tree-loop-distribu: Same.: Same.
 379         * tree-loop-linear.c: Same.
 380         * tree-parloops.c: Same.
 381         * tree-predcom.c: Same.
 382         * tree-vect-patterns.c: Same.
 383
 384 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 385
 386         Partially revert the previous patch, except the following.
 387         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 388         as parameters the operands of the not expression.
 389
 390 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 391
 392         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 393         Do not call analyze_scalar_evolution on assignments.
 394         (instantiate_scev_phi): Call analyze_scalar_evolution.
 395         (instantiate_scev_name): Call instantiate_scev_assign and
 396         instantiate_scev_phi.
 397         (instantiate_scev_not): Adapted to pass as parameters the operands
 398         of the not expression.
 399
 400 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 401
 402         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 403         to pass as parameters the operands of the binary expression.
 404
 405 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 408         instantiate_scev_not.  Handle NEGATE_EXPR.
 409         (instantiate_scev_r): Handle NEGATE_EXPR.
 410
 411 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 414         instantiate_scev_r.
 415         (instantiate_scev_r): Move code in instantiate_scev_2
 416         and instantiate_scev_1.
 417
 418 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         * tree-scalar-evolution.c (instantiate_scev_3): New.
 421         (instantiate_scev_1): Move code in instantiate_scev_3.
 422
 423 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 426         (instantiate_scev_1): Move code in instantiate_scev_poly.
 427
 428 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 429
 430         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 431         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 432
 433 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 434
 435         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 436         (instantiate_scev_1): Move code in instantiate_scev_convert.
 437
 438 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 439
 440         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 441         (instantiate_scev_1): Move code in instantiate_scev_binary.
 442
 443 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * tree-scalar-evolution.c (instantiate_scev_name): New.
 446         (instantiate_scev_1): Move code in instantiate_scev_name.
 447
 448 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * Merge from mainline (150992:151171).
 451
 452 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         * graphite-dependences.c (graphite_legal_transform_bb): Call
 455         pbb_remove_duplicate_pdrs.
 456         * graphite-poly.c (can_collapse_pdr): Removed.
 457         (pdr_find_duplicate): Removed.
 458         (can_collapse_pdrs): New.
 459         (pbb_remove_duplicate_pdrs): New.
 460         (new_poly_dr): Do not look for duplicates.
 461         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 462         (PBB_PDR_DUPLICATES_REMOVED): New.
 463         (pbb_remove_duplicate_pdrs): Declared.
 464
 465 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 468         the strides by multiplying by PDR_NB_REFS.
 469         * graphite-poly.c (can_collapse_pdr): New.
 470         (pdr_find_duplicate): New.
 471         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 472         Initialize PDR_NB_REFS.
 473         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 474         (PDR_NB_REFS): New.
 475         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 476
 477 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         Revert one of the previous commits:
 480         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 481         the computation of symmetric data dependence relations.
 482         (dependency_between_pbbs_p): Same.
 483
 484 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 485
 486         PR middle-end/40965
 487         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 488         any transform.
 489
 490 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 491
 492         * graphite-dependences.c (pddr_original_scattering): Return NULL
 493         for read-read dependence relations.
 494         * graphite-poly.h (enum poly_dr_type): Fix comment.
 495         (pdr_read_p): New.
 496         (pdr_write_p): New.
 497         (pdr_may_write_p): New.
 498
 499 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 500
 501         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 502         (struct poly_dr): Same.
 503         (new_poly_dr): Same.
 504         * graphite-poly.c (new_poly_dr): Same.
 505
 506 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 507             Sebastian Pop  <sebastian.pop@amd.com>
 508
 509         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 510         pbb_strip_mine_time_depth.  Changed the implementation so that
 511         transformation is expressed as a transformation on
 512         time (scatttering) dimensions.  Also, ensures that the 2d+1
 513         scheduling format is preserved.
 514         (pbb_strip_mine_profitable_p): Profitability is based on the
 515         iteration number of a given time (scattering) dimension,
 516         and not on a original loop depth dimension.
 517         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 518         (pbb_do_strip_mine): Call psct_dynamic_dim.
 519         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 520         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 521         (pbb_nb_dynamic_scattering_transform): New.
 522         (psct_dynamic_dim): New.
 523
 524 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 525
 526         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 527         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 528         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 529         * graphite-interchange.c (build_linearized_memory_access): Same.
 530         (memory_stride_in_loop): Same.
 531
 532 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 533
 534         * graphite-dependences.c (pddr_original_scattering): New.
 535         (graphite_legal_transform_dr): Call pddr_original_scattering.
 536         (dot_deps_1): New.
 537         (dot_deps): New.
 538         * graphite-dependences.h (dot_deps): Declared.
 539         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 540         (print_pdr): Print PDR_ID.
 541         * graphite-poly.h (struct poly_dr): Add field id.
 542         (PDR_ID): New.
 543         (pbb_index): New.
 544         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 545
 546 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 549         not delete the original dependence relation.
 550
 551 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 552
 553         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 554         the computation of symmetric data dependence relations.
 555         (dependency_between_pbbs_p): Same.
 556
 557 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 560         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 561         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 562         (free_poly_ddr): New.
 563         (pddr_is_empty): New.
 564         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 565         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 566         Remove fprintfs.
 567         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 568         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 569         * graphite-dependences.h (enum poly_dependence_kind): New.
 570         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 571         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 572         (PDRP_SINK): Renamed PDDR_SINK.
 573         (PDRP_DDP): Renamed PDDR_DDP.
 574         (PDDR_KIND): New.
 575         (free_poly_ddr): Declared.
 576         * graphite-poly.c (new_scop): Use the new hash function names.
 577         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 578         into original_pddrs.
 579         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 580
 581 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * Merge from mainline (150764:150992).
 584
 585 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 588         bounds with LT_EXPR to make niter analysis more precise on code
 589         generated by Graphite.
 590
 591 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 594         (graphite_legal_transform_bb): Same.
 595         (poly_drs_may_alias_p): Same.
 596
 597 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 598
 599         PR middle-end/40981
 600         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 601         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 602
 603 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * graphite-poly.c (print_pbb): Print PBB index.
 606
 607 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * Merge from mainline (r150672:150764).
 610
 611 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         * graphite-interchange.c (ppl_max_for_le): Moved...
 614         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 615         * graphite-ppl.c (ppl_max_for_le): ... here.
 616         * graphite-ppl.h (ppl_max_for_le): Declared.
 617
 618 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * Merge from mainline (r150372:150672).
 621
 622 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 623
 624         PR middle-end/40980
 625         * sese.c (convert_for_phi_arg): New.
 626         (add_guard_exit_phis): Use convert_for_phi_arg.
 627
 628         * testsuite/gfortran.dg/graphite/id-17.f: New.
 629
 630 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 631
 632         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 633         unknown subscript upper bounds.
 634
 635         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 636
 637 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 638             Pranav Garg  <pranav.garg2107@gmail.com>
 639
 640         * graphite-interchange.c (gather_access_strides): Removed.
 641         (ppl_max_for_le): New.
 642         (build_linearized_memory_access): New.
 643         (memory_stride_in_loop): New.
 644         (pbb_interchange_profitable_p): Reimplemented.
 645         * graphite-ppl.h (ppl_new_id_map): New.
 646         (ppl_interchange): New.
 647
 648         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 649
 650 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 651
 652         * graphite-interchange.c (compute_subscript): Removed.
 653         (compute_array_size_cstr): Removed.
 654         (compute_array_size_poly): Removed.
 655         (compute_array_size): Removed.
 656         (gather_access_strides_poly): Removed.
 657         (gather_access_strides): Empty.
 658
 659 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * graphite-dependences.c (dependence_polyhedron_1): Replace
 662         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 663         (graphite_legal_transform_dr): Same.
 664         (graphite_carried_dependence_level_k): Same.
 665         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 666         Initialize PDR_NB_SUBSCRIPTS.
 667         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 668         PDR_NB_SUBSCRIPTS.
 669         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 670         (PDR_NB_SUBSCRIPTS): New.
 671         (pdr_nb_subscripts): Removed.
 672         (pdr_dim): Simplified.
 673         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 674         with PDR_NB_SUBSCRIPTS.
 675
 676 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * graphite-interchange.c (compute_array_size): Remove use of
 679         PDR_DATA_CONTAINER.
 680         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 681         Do not initialize PDR_DATA_CONTAINER.
 682         (print_pdr): Do not print PDR_DATA_CONTAINER.
 683         * graphite-poly.h (struct poly_dr): Remove data_container field.
 684         (PDR_DATA_CONTAINER): Removed.
 685         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 686         PDR_DATA_CONTAINER.
 687         (build_poly_dr): Same.
 688
 689 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 690
 691         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 692
 693 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 694             Sebastian Pop  <sebastian.pop@amd.com>
 695
 696         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 697         copy of the dependence polyhedron.  Free the temporary objects.
 698         (graphite_carried_dependence_level_k): Free unused objects before
 699         returning.
 700
 701         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 702         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 703         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 704         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 705         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 706
 707 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 710         Early return without analyzing the data dependences if no
 711         transform has been done.  Call restore_scattering if the transform
 712         is not legal.
 713         (graphite-interchange.c): Same.
 714         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 715         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 716         (apply_poly_transforms): Do not gcc_assert that
 717         the transform is legal.
 718         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 719         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 720         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 721         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 722         * graphite-poly.h (struct poly_scattering): New.
 723         (struct poly_bb): Add original, transformed, and saved fields.
 724         Remove transformed_scattering, original_scattering, nb_local_variables,
 725         and nb_scattering_transform fields.
 726         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 727         (poly_scattering_new): New.
 728         (poly_scattering_free): New.
 729         (poly_scattering_copy): New.
 730         (store_scattering_pbb): New.
 731         (store_scattering): New.
 732         (restore_scattering_pbb): New.
 733         (restore_scattering): New.
 734         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 735         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 736
 737 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 740         (print_scop): Same.
 741
 742 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 743
 744         * Makefile.in (graphite.o): Depends on PREDICT_H.
 745         * graphite.c: Include predict.h.
 746         (graphite_finalize): Call tree_estimate_probability.
 747         * predict.c (predict_loops): Do not call scev_initialize and
 748         scev_finalize.
 749         (tree_estimate_probability_bb): New.
 750         (tree_estimate_probability): Do not initialize loops: move that
 751         code to the driver.  Call tree_estimate_probability_bb.
 752         (tree_estimate_probability_driver): New.
 753         (pass_profile): Use tree_estimate_probability_driver.
 754         * predict.h (tree_estimate_probability): Declared.
 755
 756 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 757
 758         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 759         * graphite-dependences.c (graphite_legal_transform): Add time to
 760         TV_GRAPHITE_DATA_DEPS.
 761         (dependency_between_pbbs_p): Same.
 762         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 763
 764 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * Merge from mainline (r149952:150372).
 767
 768 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 771         * graphite-blocking.c: Same.
 772         * graphite-clast-to-gimple.c: Same.
 773         * graphite-dependences.c: Same.
 774         * graphite-poly.c: Same.
 775         * graphite-poly.h: Same.
 776         * graphite-ppl.c: Same.
 777         * graphite-scop-detection.c: Same.
 778         * graphite-sese-to-poly.c: Same.
 779         * graphite.c: Same.
 780
 781 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 784         (remove_simple_copy_phi): New.
 785         (remove_invariant_phi): New.
 786         (simple_copy_phi_p): New.
 787         (reduction_phi_p): New.
 788         (gsi_for_ssa_name_def): New.
 789         (insert_out_of_ssa_copy): New.
 790         (insert_out_of_ssa_copy_on_edge): New.
 791         (create_zero_dim_array): New.
 792         (scalar_close_phi_node_p): New.
 793         (rewrite_close_phi_out_of_ssa): New.
 794         (rewrite_phi_out_of_ssa): New.
 795         (rewrite_reductions_out_of_ssa): New.
 796         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 797
 798         * testsuite/gcc.dg/graphite/id-11.c: New.
 799         * testsuite/gcc.dg/graphite/id-15.c: New.
 800         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 801         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 802         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 803         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 804         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 805         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 806         * testsuite/gfortran.dg/graphite/id-13.f: New.
 807         * testsuite/gfortran.dg/graphite/id-5.f: New.
 808
 809 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 810
 811         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 812         check that nb_reductions_in_loop is zero.
 813         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 814         reduction phi nodes.
 815         (nb_reductions_in_loop): Removed.
 816         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 817         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 818         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 819         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 820         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 821
 822 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 823
 824         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 825         statements that have an empty iteration domain.
 826         * testsuite/gfortran.dg/graphite/id-16.f: New.
 827
 828 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * tree-scalar-evolution.c (instantiate_scev_1): Return
 831         chrec_dont_know when the result is not above instantiate_below.
 832         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 833         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 834         the tree has a known scalar evolution.
 835         * testsuite/gfortran.dg/graphite/id-14.f: New.
 836         * testsuite/gfortran.dg/graphite/id-15.f: New.
 837
 838 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 839
 840         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 841         insert_gsi.
 842         (rename_variables): Keep inserting renames after the ones already
 843         inserted.
 844
 845 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 846
 847         * graphite-sese-to-poly.c (compare_bb_depths): New.
 848         (graphite_sort_dominated_info): New.
 849         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 850         (build_scop_scattering): Fix comment.
 851
 852 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 853
 854         * graphite.c (graphite_finalize): Call print_loops instead of
 855         dump_function_to_file.
 856         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 857         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 858         loops generated in the graphite output file.
 859         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 860         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 861         * testsuite/gfortran.dg/graphite/id-12.f: New.
 862
 863 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 864
 865         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 866         Remove 2 XFAIL.
 867
 868 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 869             Tobias Grosser  <grosser@fim.uni-passau.de>
 870
 871         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 872         alias set number build alias in ACCESSES polyhedron.
 873         (build_alias_set_for_drs): New.
 874         (build_pbb_drs): Added build_alias_set_for_drs.
 875         * graphite-dependences.c (poly_drs_may_alias_p): New.
 876         (graphite_carried_dependence_level_k): Check alias information
 877         before building polyhedron.
 878
 879 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 880
 881         * Makefile.in (lambda-code.o): Fix formatting.
 882
 883 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 884
 885         * Merge from mainline (r149350-149952)
 886
 887 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 888
 889         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 890         before interchange to prepare for loop blocking.
 891
 892 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 893
 894         * graphite-poly.c (apply_poly_transforms): Add checks after every
 895         transformation.
 896         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 897         done in apply_poly_transforms.
 898
 899 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 900
 901         * graphite-dependences.c (build_lexicographically_gt_constraint):
 902         Replace RES parameter with *RES.
 903         (dependence_polyhedron_1): Pass an address of the parameter RES
 904         instead of value of RES.
 905
 906 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 907
 908         * graphite.c (graphite_finalize): Fix comment.
 909         (graphite_transform_loops): Reset scev info after code generation
 910         of each scop.
 911
 912 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 913
 914         * graphite.c (graphite_finalize): Call scev_reset.
 915
 916 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 919         GBB_CLOOG_IV_TYPES hash table twice.
 920         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 921         (add_condition_to_domain): Clear GMP values.
 922
 923 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         * graphite-dependences.c: Fix formatting.
 926         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 927         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 928         * graphite-sese-to-poly.c: Fix formatting.
 929         * graphite.c (graphite_transform_loops): Create the hash table
 930         after the early return.
 931
 932 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 933
 934         * testsuite/gcc.dg/graphite/id-14.c: New.
 935         * testsuite/gcc.dg/graphite/pr40157.c: New.
 936         * testsuite/gfortran.dg/graphite/id-11.f: New.
 937
 938 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 941         (build_poly_scop): Return false when there are no pbbs within
 942         loops to avoid to pass to cloog scops with no loops.
 943
 944 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 945
 946         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 947         useless test "i % 2".
 948         (build_pbb_scattering_polyhedrons): Fix formatting.
 949         (build_poly_dr): Same.
 950         * graphite.c (graphite_transform_loops): Restructure.
 951
 952 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 953
 954         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 955         reduction_list parameter.
 956         (rewrite_all_phi_nodes_with_iv): Same.
 957         (canonicalize_loop_ivs): Same.
 958         * tree-parloops.c (struct brli): Removed.
 959         (build_reduction_list_info): Removed.
 960         (build_new_reduction): New.
 961         (analyze_reduction_list): Removed.
 962         (gather_scalar_reductions): Find reductions instead of phi
 963         nodes that can't be canonicalized.
 964         (try_create_reduction_list): Remove reduction_list parameter.
 965         (gen_parallel_loop): Same.
 966         (parallelize_loops): Remove analyze_reductions variable,
 967         initialization and free.
 968         Change reduction_list htab initialization to reduction_info
 969         elements instead of ssa names.
 970         Call try_create_reduction_list and gen_parallel_loop without
 971         analyzed_reduction argument.
 972         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 973         canonicalize_loop_ivs with one less argument.
 974         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 975
 976 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 977
 978         * graphite-dependences.c (new_poly_dr_pair): New.
 979         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 980         (new_poly_dr_pair): New.
 981         (eq_poly_dr_pair_p): New.
 982         (hash_poly_dr_pair_p): New.
 983         * graphite-dependences.h (struct poly_dr_pair): New.
 984         (eq_poly_dr_pair_p): Declared.
 985         (hash_poly_dr_pair_p): Declared.
 986         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 987         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 988         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 989         * Makefile.in (graphite-poly.o): Add dependence on
 990         graphite-dependences.h.
 991
 992 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 993
 994         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 995         polynomials of degree > 1 pass to Graphite.
 996         * tree-chrec.c (scev_is_linear_expression): Call
 997         evolution_function_is_affine_multivariate_p.
 998         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 999
1000 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1001
1002         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1003         Instantiate scevs varying in outer loops.
1004         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1005
1006 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1009         redundant constraint.
1010
1011 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1012
1013         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1014         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1015         based on the file names as in the C testsuite.
1016         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1017         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1018         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1019         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1020         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1021         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1022         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1023         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1024         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1025         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1026         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1027         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1028         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1029
1030 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1031
1032         * sese.c (expand_scalar_variables_call): New.
1033         (expand_scalar_variables_ssa_name): Handle calls in expander.
1034
1035 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1036
1037         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1038         Expect to see the pattern twice.
1039         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1040         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1041         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1042
1043 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1044
1045         * testsuite/gcc.dg/graphite/id-10.c: New.
1046         * testsuite/gcc.dg/graphite/id-12.c: New.
1047         * testsuite/gfortran.dg/graphite/id-7.f: New.
1048         * testsuite/gfortran.dg/graphite/id-8.f: New.
1049
1050 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1053         zero.
1054
1055 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1056
1057         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1058
1059 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1062
1063 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1064
1065         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1066         building PDR subscripts.
1067
1068 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1071         computation of array sizes.
1072
1073 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1074
1075         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1076
1077 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1078
1079         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1080         build_pairwise_constraint, dr_equality_constraints,
1081         build_pairwise_scheduling_equality,
1082         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1083         build_lexicographically_gt_constraint, dependence_polyhedron,
1084         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1085         Move from NNC_Polyhedron to C_Polyhedron.
1086         * graphite-interchange.c (compute_array_size_poly,
1087         gather_access_strides): Dito.
1088         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1089         free_scop, pbb_number_of_iterations): Dito.
1090         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1091         pbb_dim_iter_domain, struct scop): Dito.
1092         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1093         new_Cloog_Domain_from_ppl_Polyhedron,
1094         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1095         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1096         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1097         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1098         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1099         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1100         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1101         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1102         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1103         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1104         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1105         build_scop_iteration_domain, build_poly_dr): Dito
1106
1107 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1110         run-id-*.c files.
1111         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1112
1113 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1114
1115         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1116         positivity constraint on the symbolic number of iterations.
1117
1118 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1119
1120         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1121
1122 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1123             Tobias Grosser  <grosser@fim.uni-passau.de>
1124
1125         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1126         (build_cloog_prog): Directly use SCOP_CONTEXT.
1127         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1128         (free_scop): Free SCOP_CONTEXT.
1129         (print_scop_context): New.
1130         (print_scop): Call print_scop_context.
1131         (debug_scop_context): New.
1132         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1133         (struct scop): Added field context.
1134         (SCOP_CONTEXT): New.
1135         * graphite-sese-to-poly.c (add_param_constraints): New.
1136         (build_scop_context): New.
1137         (build_poly_scop): Call build_scop_context.
1138
1139 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1142         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1143         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1144         * graphite-ppl.h: Include double-int.h and tree.h.
1145         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1146         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1147         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1148         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1149
1150 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1153         POINTER_PLUS_EXPR for pointer types.
1154         (clast_to_gcc_expression): Same.
1155
1156 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-poly.c (print_scattering_function): Early return when
1159         PBB_TRANSFORMED_SCATTERING is not initialized.
1160         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1161
1162 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1165         to fix bootstrap.
1166
1167 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1168
1169         * tree-parloops.c (analyze_reduction_list): Change return
1170         value to void.
1171         (try_create_reduction_list): Move the call to
1172         analyze_reduction_list to the beginining.
1173         Call reduction_phi with analyzed_reductions as argument
1174         instead of reduction_list.
1175
1176 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1177
1178         *  Merge from mainline (r148296:149346)
1179
1180 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * graphite-scop-detection.c (graphite_can_represent_init): New.
1183         (graphite_can_represent_scev): Call graphite_can_represent_init:
1184         check that the initial value does not contain multiplications of
1185         parameters.
1186         (stmt_has_simple_data_refs_p): New.
1187         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1188         (is_simple_operand): Fix formatting.
1189         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1190
1191 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * testsuite/gcc.dg/graphite/id-13.c: New.
1194         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1195         analyze_scalar_evolution, use scalar_evolution_in_region.
1196         (scan_tree_for_params_right_scev): Add extra assert.
1197         (parameter_index_in_region_1): Split from parameter_index_in_region.
1198         (idx_record_params): Use scalar_evolution_in_region.
1199         (find_params_in_bb): Same.
1200         (find_scop_parameters): Same.
1201         (build_loop_iteration_domains): Same.
1202         (create_linear_expr_from_tree): Same.
1203         * sese.c (scalar_evolution_in_region): New.
1204         * sese.h (scalar_evolution_in_region): Declared.
1205         (defined_in_sese_p): New.
1206         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1207         static anymore.
1208         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1209         Declared.
1210
1211 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1214         TREE_DATA_REF_H also implies SCEV_H.
1215
1216 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1217
1218         * graphite-poly.c (print_scop_params): New.
1219         (print_scop): Call print_scop_params.
1220         (debug_scop_params): New.
1221         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1222
1223 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1224
1225         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1226         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1227         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1228         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1229         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1230         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1231
1232 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1233
1234         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1235         for dependency checking part.
1236         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1237         tests for dependency checking.
1238         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1239         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1240         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1241         flag -fdump-tree-graphite-all for autopar testsuites.
1242
1243 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1246         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1247         canonicalize_loop_ivs): Moved...
1248         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1249
1250 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1251
1252         * tree-parloops.c (try_create_reduction_list): Pass an extra
1253         argument analyzed_reductions.  Call analyze_reduction_list.
1254         (gen_parallel_loop): Do not call analyze_reduction_list.
1255         (parallelize_loops): Init and finalize analyzed_reductions.
1256
1257 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1258
1259         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1260         Added flag -fno-loop-strip-mine for autopar testcase.
1261
1262 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1263
1264         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1265         transformed scattering dimension instead of unmatch orignal when
1266         calling dependence_polyhedron.
1267
1268 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1271
1272 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1275         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1276
1277 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1280         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1281         * graphite-poly.c (pbb_number_of_iterations): New.
1282         * graphite-poly.h (pbb_number_of_iterations): Declared.
1283         (pbb_iterator_dim, pbb_parameter_dim): New.
1284
1285 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1288         last commit on type of lower and upper bound of loops.
1289
1290 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1291
1292         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1293         graphite-dependences.h.
1294         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1295         (mark_bb_with_pbb): New.
1296         (get_stmtfor_depth): New.
1297         (find_pbb_via_hash): New.
1298         (dependency_in_loop_p): New.
1299         (mark_loops_parallel): New.
1300         (free_aux_in_new_loops): New.
1301         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1302         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1303         innermost loop parallel without checking.
1304         (gloog): Add parameter BB_PBB_MAPPING.
1305         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1306         (gloog): Change declaration.
1307         (mark_loop_parallel): Make extern.
1308         (free_aux_in_new_loops): Declare.
1309         (bb_pbb_map_hash): New.
1310         (eq_bb_pbb_map): New.
1311         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1312         auto parallelization when flag_graphite_force_parallel is set.
1313         (graphite_finalize): Added free_aux_in_new_loops.
1314         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1315         the innermost loop that marked parallel.  Use
1316         flag_graphite_force_parallel instead of loop->can_be_parallel.
1317         (loop_parallel_p): Move inner most checking out of function.
1318
1319 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1320
1321         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1322         type of lower and upper bound of loops signed long int.
1323
1324 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1327         expression outside the loop.
1328
1329 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1330
1331         * gcc.dg/graphite/interchange-8.c: New.
1332
1333 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * gcc.dg/graphite/interchange-0.c: XFailed.
1336         * gcc.dg/graphite/interchange-5.c: XFailed.
1337         * gcc.dg/graphite/interchange-6.c: XFailed.
1338
1339 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         * graphite-interchange.c (compute_array_size_poly): The end of the
1342         recursion should return 1.
1343
1344 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-interchange.c (compute_array_size_cstr): Allow the
1347         subscript multiplier to be -1.
1348         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1349         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1350         data_container.  Initializes PDR_DATA_CONTAINER.
1351         (print_pdr_access_layout): New.
1352         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1353         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1354         data_container.
1355         (PDR_DATA_CONTAINER): New.
1356         (new_poly_dr): Update declaration.
1357         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1358         (build_poly_dr): Call pdr_add_data_dimensions.
1359
1360 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         * graphite-poly.h (struct poly_dr): Fix comment.
1363         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1364         (pdr_add_memory_accesses): New.
1365         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1366
1367 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1370         (print_pbb): Add call to print_pdrs.
1371         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1372
1373 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1374             Li Feng <nemokingdom@gmail.com>
1375
1376         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1377         (dependency_between_pbbs_p): New.
1378         (lexicographically_gt_p): Assure !empty_p before polyhedron
1379         intersection assign.
1380         (build_lexicographically_gt_constraint): Correct lexicographically
1381         judging.
1382         * graphite-dependences.h: New.
1383         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1384
1385 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1388         (gloog): Print to dump_file the generated clast.
1389         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1390         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1391
1392 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * graphite-poly.c (extend_scattering): Increment
1395         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1396
1397 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-interchange.c (compute_array_size_poly): Added exit of
1400         recursion condition.  Continue iterating even after the first equality.
1401         (compute_array_size): Same.
1402
1403 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1404
1405         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1406         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1407         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1408         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1409         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1410
1411 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1412
1413         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1414         only when the use verifies is_gimple_reg.
1415
1416 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1417
1418         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1419         Allocate scaldims after call to unify_scattering_dimensions.
1420
1421 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1422
1423         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1424
1425 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1426             Albert Cohen  <albert.cohen@inria.fr>
1427
1428         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1429         variables for the strip mining.
1430
1431 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1432             Pranav Garg  <pranav.garg2107@gmail.com>
1433
1434         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1435         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1436         (graphite-blocking.o): New rule.
1437         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1438         * graphite-blocking.c: New.
1439         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1440         flag_loop_strip_mine.
1441         (psct_scattering_dim_for_loop_depth): New.
1442         * graphite-poly.h (scop_do_strip_mine): Declared.
1443         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1444         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1445         flag_loop_strip_mine.
1446
1447 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1450         a GMP value and a PPL coefficient at each iteration of a loop.
1451
1452 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-dependences.c (dependence_polyhedron): Do not use
1455         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1456         pbb_nb_scattering_transform.
1457         (graphite_legal_transform_dr): Same.
1458         * graphite-poly.c (extend_scattering): Same.
1459         (unify_scattering_dimensions): Same.
1460         (print_scattering_function): Same.
1461         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1462         PBB_NB_LOCAL_VARIABLES.
1463         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1464         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1465         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1466         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1467         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1468         (pbb_nb_scattering_transform): New.
1469         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1470         (psco_scattering_dim): Add assert on parameters.
1471         (psct_scattering_dim): Same.
1472         (psct_scattering_dim_for_loop_depth): Declared.
1473         (psct_local_var_dim): New.
1474         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1475         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1476         correct layout, call pbb_nb_local_vars.
1477         (psct_add_local_variable, psct_add_scattering_dimension): New.
1478         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1479         Initialize PBB_NB_SCATTERING_TRANSFORM.
1480
1481 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1484         (set_coef): Renamed ppl_set_coef.
1485         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1486
1487 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1490         test a boolean against 1.
1491         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1492         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1493         (pbb_do_interchange): Returns true when a transform has been performed.
1494         (scop_do_interchange): Same.
1495         * graphite-poly.c (apply_poly_transforms): Use the return value of
1496         scop_do_interchange.
1497         * graphite-poly.h (scop_do_interchange): Update declaration.
1498
1499 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1500
1501         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1502         after last use.
1503         * sese.c (sese_reset_aux_in_loops): New.
1504         * sese.h (sese_reset_aux_in_loops): New.
1505
1506 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1507
1508         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1509         multiplier and multiply the constant by the multiplier.
1510         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1511         (build_poly_dr): Do not use the multiplier to define the subscript.
1512
1513 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1516         compiler's data reference.  Initialize PDR_CDR.
1517         (print_pdr): Call dump_data_reference.
1518         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1519         Add compiler_dr field.
1520         (PDR_BB): Renamed PDR_PBB.
1521         (PDR_CDR): New.
1522         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1523         GCC's data reference representation.
1524         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1525         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1526
1527 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1528
1529         * graphite-poly.c (print_scattering_function): Also print the layout.
1530         * graphite-poly.h (pbb_nb_local_vars): New.
1531
1532 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1535
1536 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * graphite-poly.c (print_pdr, debug_pdr): New.
1539         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1540         (PDR_BASE): Removed.
1541
1542 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1545         ltrans-{1..6,8}.c.
1546
1547 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1550         subscript identification column.
1551         (pbb_do_interchange): Print to dump_file that some loops "will be
1552         interchanged".  Rely on that chain of characters in the testcases.
1553         * gcc.dg/graphite/interchange-0.c: New.
1554         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1555         interchange-*.c files and compile them with -floop-interchange.
1556
1557 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1558
1559         * graphite-interchange.c (interchange_profitable_p): Renamed
1560         pbb_interchange_profitable_p.
1561
1562 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1563             Harsha Jagasia  <harsha.jagasia@amd.com>
1564             Pranav Garg  <pranav.garg2107@gmail.com>
1565
1566         * graphite-interchange.c (interchange_profitable_p): Make static.
1567         (pbb_interchange_loop_depths, pbb_do_interchange,
1568         scop_do_interchange): New.
1569         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1570         for flag_loop_interchange.
1571         * graphite-poly.h (scop_do_interchange): Declared.
1572         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1573         flag_loop_interchange is used.
1574
1575 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * graphite-dependences.c (dependence_polyhedron): Update use of
1578         pbb_nb_scattering_dims.
1579         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1580         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1581         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1582         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1583
1584 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * graphite.c: Cleanup foo.
1587
1588 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * Merge from mainline (r143684:148293).
1591         * Disabled libpcp until it gets fixed.
1592
1593 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1594             Harsha Jagasia  <harsha.jagasia@amd.com>
1595
1596         * graphite-interchange.c: New.
1597         * Makefile.in (graphite-interchange.o): New.
1598         * graphite-poly.h (interchange_profitable_p): Declared.
1599         * graphite-ppl.h (value_max): New.
1600
1601 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1602
1603         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1604         * graphite-poly.h: Fix some comments.
1605         (pdr_dim): New.
1606         (pdr_scop): New.
1607
1608 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * graphite-poly.h
1611         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1612         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1613         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1614         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1615         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1616         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1617         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1618         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1619         * graphite-clast-to-gimple.c: Same.
1620         * graphite-dependences.c: Same.
1621         * graphite-poly.c: Same.
1622         * graphite-sese-to-poly.c: Same.
1623
1624 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1627         expressions for an IV rename, as returned by clast_to_gcc_expression.
1628         (copy_renames): Rename new_name to expr.
1629         * sese.c (debug_rename_elt): Same.
1630         (get_rename): Same.
1631         (set_rename): Same.
1632         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1633         the information from the rename map.
1634         (rename_variables_in_stmt): Same.
1635         (add_loop_exit_phis): Rename new_name to expr.
1636         (insert_loop_close_phis): Same.
1637         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1638         * sese.h (struct rename_map_elt): Rename new_name to expr.
1639         (new_rename_map_elt): Same.
1640
1641 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1644         * sese.c (set_rename): Make it extern.
1645         * sese.h (set_rename): Declared.
1646
1647 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * graphite-poly.c (extend_scattering): Free values.
1650         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1651         Free iterators.
1652         (ppl_print_powerset_matrix): Same.
1653         * graphite-scop-detection.c (free_scops_1): New.
1654         (limit_scops): Call free_scops_1.
1655         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1656         (build_poly_dr): Free PPL coefficients.
1657         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1658
1659 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * graphite-dependences.c: New.
1662         * graphite-data-ref.c: Removed.
1663         * graphite-data-ref.h: Removed.
1664         * Makefile.in (graphite-data-ref.o): Removed.
1665         (graphite-dependences.o): Added.
1666         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1667         * graphite-poly.c: Same.
1668         Move the data dependence testing to graphite-dependences.c.
1669
1670 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1671
1672         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1673         from graphite_cannot_represent_loop. Code refactored.
1674         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1675
1676 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1677
1678         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1679         Cover all the testcases (not only the filtered ones).
1680
1681 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1682
1683         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1684         unnecessary check. Update comments. Move check for REAL_TYPE here.
1685         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1686         done in (stmt_simple_for_scop_p).
1687
1688 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1689
1690         * graphite.c (print_global_statistics): New.
1691         (print_graphite_scop_statistic): New.
1692         (print_graphite_statistics): New.
1693         (graphite_initialize, graphite_transform_loops): Print statistics.
1694         * graphite-scop-detection (build_scops): Print statistics.
1695         (print_graphite_scop_statistics): New.
1696         (print_graphite_statistics): New.
1697
1698 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1699
1700         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1701         (debug_clast_name_index): Removed.
1702         (debug_clast_name_indexes_1): Removed.
1703         (debug_clast_name_indexes): Removed.
1704         (clast_name_index_elt_info): Removed.
1705         (eq_clast_name_indexes): Removed.
1706         (clast_name_to_index): Removed.
1707         (new_clast_name_index): Removed.
1708         (save_clast_name_index): Removed.
1709         (save_var_name): Moved...
1710         (init_sese_params_index): Removed.
1711         (clast_name_to_gcc): Remove use of name_tree.
1712         (initialize_cloog_names): Same.
1713         (gloog): Do not call init_sese_params_index.
1714         * graphite-sese-to-poly.c (save_var_name): ...here.
1715         (parameter_index_in_region): New.
1716         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1717         (parameter_index_in_region): Removed.
1718         (is_parameter): Remove use of name_tree.
1719         * sese.h (struct name_tree): Removed.
1720         (struct sese): Remove use of name_tree.  New field params_names.
1721         (SESE_PARAMS_NAMES): New.
1722         (SESE_PARAMS): Remove duplicate.
1723         (parameter_index_in_region): Removed.
1724         (sese_nb_params): Remove use of name_tree.
1725         (struct clast_name_index): New.
1726         (new_clast_name_index): New.
1727         (clast_name_to_index): New.
1728         (save_clast_name_index): New.
1729         (debug_clast_name_index): New.
1730         (debug_clast_name_indexes_1): New.
1731         (debug_clast_name_indexes): New.
1732         (clast_name_index_elt_info): New.
1733         (eq_clast_name_indexes): New.
1734
1735 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1736
1737         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1738         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1739         (graphite_loop_normal_form): Do not pass region.  Do not
1740         initialize SESE_OLDIVS.
1741         (build_graphite_loop_normal_form): Update call to
1742         graphite_loop_normal_form.
1743         * sese.c (debug_oldivs): Removed.
1744         (new_sese): Do not initialize SESE_OLDIVS.
1745         (free_sese): Do not free SESE_OLDIVS.
1746         (oldiv_for_loop): Removed.
1747         * sese.h (struct sese): Remove old_ivs.
1748         (SESE_OLDIVS): Removed.
1749         (oldiv_for_loop): Removed.
1750
1751 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1754         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1755         replaced by a call to newivs_to_depth_to_newiv.
1756         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1757         (clast_to_gcc_expression_red): Same.
1758         (gcc_type_for_clast_expr): Same.
1759         (gcc_type_for_clast_eq): Same.
1760         (graphite_translate_clast_equation): Same.
1761         (graphite_create_guard_cond_expr): Same.
1762         (graphite_create_new_guard): Same.
1763         (graphite_create_new_loop): Same.
1764         (build_iv_mapping): Same.
1765         (translate_clast): Same.
1766         (gloog): Same.
1767         (loop_iv_stack_patch_for_consts): Removed.  *
1768         sese.c (iv_stack_entry_is_constant): Removed.
1769         (iv_stack_entry_is_iv): Removed.
1770         (loop_iv_stack_push_iv): Removed.
1771         (loop_iv_stack_insert_constant): Removed.
1772         (loop_iv_stack_pop): Removed.
1773         (loop_iv_stack_get_iv): Removed.
1774         (loop_iv_stack_get_iv_from_name): Removed.
1775         (debug_loop_iv_stack): Removed.
1776         (free_loop_iv_stack): Removed.
1777         (loop_iv_stack_remove_constants): Removed.  *
1778         sese.h (iv_stack_entry_kind): Removed.
1779         (iv_stack_entry_data_union): Removed.
1780         (iv_stack_entry_struct): Removed.
1781         (iv_stack_entry_p): Removed.
1782         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1783         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1784         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1785         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1786         (gbb_loop_at_index): Fix indenting.
1787         (gbb_loop_index): Removed.
1788
1789 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1790
1791         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1792         Call clast_name_to_index.
1793
1794 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1795
1796         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1797         do not pass params.  Get params from SESE_PARAMS.
1798         (clast_to_gcc_expression): Same.
1799         (clast_to_gcc_expression_red): Same.
1800         (gcc_type_for_clast_eq): Same.
1801         (graphite_translate_clast_equation): Same.
1802         (graphite_create_new_loop): Same.
1803         * sese.c (rename_variables_in_stmt): Fix comment.
1804
1805 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1808         newivs_index.
1809         Call save_clast_name_index.
1810         (translate_clast): Pass newivs_index.
1811         (gloog): Create and free newivs_index.
1812
1813 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1816         (clast_name_index_p): New type.
1817         (debug_clast_name_index): New.
1818         (debug_clast_name_indexes_1): New.
1819         (debug_clast_name_indexes): New.
1820         (clast_name_index_elt_info): New.
1821         (eq_clast_name_indexes): New.
1822         (clast_name_to_index): New.
1823         (new_clast_name_index): New.
1824         (save_clast_name_index): New.
1825         (init_sese_params_index): New.
1826         (gloog): Call init_sese_params_index.
1827         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1828         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1829         (free_sese): Free SESE_PARAMS_INDEX.
1830         * sese.h (struct sese): Add params_index.
1831         (SESE_PARAMS_INDEX): New.
1832
1833 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1836         (graphite_create_new_loop): Pass the newivs vector.  Push the
1837         newly created IV to newivs.
1838         (translate_clast): Pass the newivs vector.
1839         (gloog): Create and destroy the newivs vector.
1840
1841 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1844         (graphite_loop_normal_form): Initialize loop->aux with the unique
1845         IV that has been created.
1846
1847 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1848
1849         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1850         scev with parameters in the base part. They where forbidden
1851         exidently.
1852
1853 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1854
1855         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1856         compile options by file names.
1857         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1858         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1859         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1860         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1861
1862 2009-05-08  Li Feng <nemokingdom@gmail.com>
1863
1864         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1865         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1866         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1867         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1868
1869 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1870
1871         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1872         by final cleanup.
1873
1874 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1875
1876         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1877         allow integer constant strides.
1878         (graphite_can_represent_expr): Depend on outermost_loop.
1879         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1880         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1881         build_scops_1): Same.
1882         (scopdet_basic_block_info): Same and insert layered SCoP
1883         detection.
1884         (try_generate_gimple_bb): Cleanup.
1885         (build_scops): Enable data references.
1886
1887         * testsuite/gcc.dg/graphite/id-5.c: New.
1888         * testsuite/gcc.dg/graphite/id-9.c: New.
1889         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1890         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1891
1892 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1893
1894         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1895         that we have not yet built for this SCoP.
1896
1897 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1898
1899         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1900         for complex numbers.
1901
1902 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1903
1904         * graphite-ppl.c: Fix build if cloog is not available.
1905
1906 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1907
1908         * tree-parloops.c (loop_parallel_p): Remove construction of
1909         NITER and REDUCTION_LIST.
1910         (try_get_loop_niter): New.
1911         (try_create_reduction_list): New.
1912         (parallelize_loops): Bypass the failed checkings in autopar
1913         when can_be_parallel in loop structure is set to true.
1914
1915 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1916
1917         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1918         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1919
1920 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1921
1922         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1923         Enable EQ_EXPR and NE_EXPR again.
1924
1925 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1926
1927         * graphite-scop-detection.c (graphite_can_represent_scev):
1928         Add check if scev is affine multivariate.
1929         (harmful_stmt_in_bb): Check if we can represent the conditions.
1930         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1931         harmful_stmt_in_bb.
1932         * testsuite/gcc.dg/graphite/id-7.c: New.
1933
1934 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1935
1936         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1937         Check all bbs in region, not only the bbs that are represented in
1938         GRAPHITE.
1939         (build_poly_scop): Add newline.
1940         * testsuite/gcc.dg/graphite/id-8.c: New.
1941
1942 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1943
1944         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1945         when loop initialize.
1946         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1947         * common.opt: Declare flag_graphite_force_parallel.
1948         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1949         loop parallel.
1950         * graphite-poly.c (apply_poly_transforms): Introduce
1951         flag_graphite_force_parallel.
1952         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1953         * toplev.c (process_options): ditto and replace a not correctly
1954         encoded space.
1955
1956 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1957
1958         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1959         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1960         to the redefinition.
1961         (compute_cloog_iv_types_1): ditto.
1962         (build_iv_mapping): ditto.
1963         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1964         initialization.
1965         (free_gimple_bb): Removed GBB_LOOPS related free part.
1966         (build_bb_loops): Removed.
1967         * sese.h (struct gimple_bb): Removed loops.
1968         (GBB_LOOPS): Removed.
1969         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1970         (gbb_loop_index): ditto.
1971
1972 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1973
1974         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1975         allow non constant strides.
1976         * testsuite/gcc.dg/graphite/scop-20.c: New.
1977
1978 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-scop-detection.c (dot_all_scops): Fix system call
1981         return value warning.
1982         (dot_scop): Same.
1983
1984 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1987         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1988
1989 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1990
1991         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1992         build_pairwise_constraint, dr_equality_constraints,
1993         build_pairwise_scheduling_equality,
1994         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1995         build_lexicographically_gt_constraint, dependence_polyhedron,
1996         graphite_legal_transform_dr, graphite_legal_transform_bb,
1997         graphite_legal_transform): New.
1998         * graphite-poly.h (graphite_legal_transform): Declared.
1999         * graphite-sese-to-poly.c (build_poly_scop): Call to
2000         graphite_legal_transform is disabled for the moment.
2001
2002 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * graphite-poly.h (pbb_nb_scattering_dims): New.
2005         (pbb_nb_scattering): Use it.
2006
2007 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2008
2009         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2010         Pointset_Powerset version of ppl_insert_dimensions.
2011         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2012
2013 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2016
2017 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite-poly.h: Fix comment.
2020
2021 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2022
2023         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2024
2025 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2026
2027         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2028         statements.
2029
2030 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2031
2032         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2033         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2034         conditions.
2035
2036 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2039         handle EQ_EXPR and NE_EXPR.
2040
2041 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2042
2043         * graphite-poly.h (poly_dr): Fix comment.
2044
2045 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2046             Tobias Grosser  <grosser@fim.uni-passau.de>
2047
2048         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2049         with a zero dimension polyhedron.
2050         (find_scop_parameters): Move the call to scop_set_nb_params here.
2051         (build_loop_iteration_domains): Store in loop->aux the iteration
2052         domain polyhedron.
2053         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2054         by any loop in scop.
2055         (build_poly_scop): Do not call scop_set_nb_params.
2056
2057 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2058             Tobias Grosser  <grosser@fim.uni-passau.de>
2059
2060         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2061         add_condition_to_domain not GT_EXPR.
2062
2063 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2064
2065         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2066         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2067         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2068         upper_bound_assign to calculate unions.
2069         * testsuite/gcc.dg/graphite/id-6.c: New.
2070
2071 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2072
2073         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2074         handle abnormal edges.
2075
2076 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2077
2078         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2079         (free_poly_bb): Also free poly_drs.
2080         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2081         (poly_dr): Polyhedron to Pointset_Powerset.
2082         (pdr_accessp_nb_subscripts): Same.
2083         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2084         poly_drs.
2085
2086 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2089         names into more meaningful names.
2090
2091 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2094         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2095
2096 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2099         the reduction_list.
2100         * tree-parloops.c (rewrite_phi_with_iv): New.
2101         (rewrite_all_phi_nodes_with_iv): New.
2102         (canonicalize_loop_ivs): Call them.
2103
2104 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2105
2106         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2107         graphite_find_data_references_in_stmt.
2108         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2109         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2110
2111 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2114
2115 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2118         instead of bb_in_region.
2119         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2120         (build_sese_conditions): Use flag_bb_in_sese.
2121         * sese.c (register_bb_in_sese): Removed.
2122         (new_sese): Remove initialization of SESE_REGION_BBS.
2123         (free_sese): Do not free SESE_REGION_BBS.
2124         * sese.h (struct sese): Remove field region_basic_blocks.
2125         (SESE_REGION_BBS): Removed.
2126         (bb_in_sese_p): Implement in function of bb_in_region.
2127
2128 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2131         loops.
2132
2133 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2134
2135         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2136         and EQ_EXPR.
2137         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2138         (add_condition_to_domain): New.
2139         (add_condition_to_pbb): New.
2140         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2141         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2142
2143 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2144
2145         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2146         ppl_Pointset_Powerset.
2147         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2148         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2149         (pbb_nb_loops): Same.
2150         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2151         add_conditions_to_domain): Same.
2152         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2153         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2154         ppl_const_Polyhedron_t.
2155         (ppl_print_powerset_matrix): New.
2156         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2157         ppl_print_powerset_matrix): New.
2158         (ppl_print_polyhedron_matrix): Updated.
2159
2160 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2161
2162         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2163
2164 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2167         (print_iteration_domains, debug_iteration_domain,
2168         debug_iteration_domains): New.
2169         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2170         debug_iteration_domains): Declared.
2171         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2172         indenting.
2173
2174 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2175             Sebastian Pop  <sebastian.pop@amd.com>
2176
2177         * graphite-poly.h (print_iteration_domain): New.
2178         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2179         (build_sese_conditions_1, build_sese_conditions_after,
2180         build_sese_conditions_before): New.
2181         (build_sese_conditions): Rewritten.
2182
2183 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2184             Tobias Grosser  <grosser@fim.uni-passau.de>
2185
2186         Cleanup of code generation liveouts.
2187         * graphite-clast-to-gimple.c (translate_clast): Use a single
2188         rename_map instead of one per translated statement.
2189         Do not use SESE_LIVEOUT_RENAMES.
2190         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2191         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2192         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2193         phi node of a reduction: when a loop contains a reduction used outside
2194         the loop, there should be a scalar close phi node on the exit block.
2195         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2196         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2197         (free_sese): Do not free them.
2198         (sese_build_liveouts_use): Do not use them.
2199         (sese_build_liveouts_bb): Same.
2200         (sese_build_liveouts): Same.
2201         (sese_insert_phis_for_liveouts): Same.
2202         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2203         (defined_in_loop_p): New.
2204         (alive_after_loop): New.
2205         (close_phi_not_yet_inserted_p): New.
2206         (struct alep, alep_p): New.
2207         (add_loop_exit_phis): Remove from the rename_map all the names defined
2208         in the code generated loop.
2209         (insert_loop_close_phis): Traverse the rename_map passed to it.
2210         Don't use SESE_LIVEOUT_RENAMES.
2211         (default_liveout_before_guard): Renamed default_before_guard.
2212         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2213         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2214         (register_sese_liveout_renames): Removed.
2215         (copy_bb_and_scalar_dependences): Do not call it.
2216         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2217         reduction_list.
2218         (SESE_LIVEOUT): Removed.
2219         (SESE_LIVEOUT_RENAMES): Removed.
2220         (SESE_REDUCTION_LIST): Removed.
2221         (sese_build_liveouts): Removed.
2222         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2223         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2224         (insert_guard_phis): Same.
2225         (rename_map_elt): Declare a VEC of them.
2226         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2227         trees not pointers to trees.
2228
2229         Rewrite in canonical close SSA form:
2230         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2231         (limit_scops): Close the scop after the block containing the close phi
2232         nodes.
2233         (canonicalize_loop_closed_ssa): New.
2234         (canonicalize_loop_closed_ssa_form): New.
2235         (build_scops): Call canonicalize_loop_closed_ssa_form.
2236
2237         * graphite-sese-to-poly.c: Fix typos.
2238
2239 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2240
2241         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2242         Extended.
2243         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2244         (print_pbb): Add conditions.
2245
2246 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2247             Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2250         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2251         (build_scop_bbs_1): New.
2252         (build_scop_bbs): Rewrite.
2253         * sese.h (bb_in_region): New.
2254
2255 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2256
2257         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2258         poly_drs vector.
2259         (print_scop): Style.
2260         * graphite-poly.h (poly_bb): Add drs vector.
2261         (PBB_DRS): Add accessor.
2262         * graphite-sese-to-poly.c (build_poly_dr): New.
2263         (build_pbb_drs, build_scop_drs): New.
2264         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2265
2266 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2267
2268         * tree-ssa-loop.c: Include forgotten toplev.h
2269
2270 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2271
2272         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2273         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2274         * testsuite/gcc.dg/graphite/pr37928.c: Same
2275         * testsuite/gcc.dg/graphite/pr38409.c: Same
2276         * testsuite/gcc.dg/graphite/pr38498.c: Same
2277         * testsuite/gcc.dg/graphite/pr38559.c: Same
2278         * testsuite/gcc.dg/graphite/pr39335.c: Same
2279         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2280         * testsuite/gfortran.dg/graphite/block-2.f: Same
2281         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2282         with -floop-*.
2283
2284 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2285
2286         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2287         build_access_matrix, build_scop_data_accesses): Remove access function
2288         building. (We get a new version soon).
2289         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2290         * sese.h (nb_loops_around_loop_in_sese): Remove.
2291         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2292
2293 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2294             Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-scop-detection.c (struct scopdet_info): Rename last
2297         field to exit.
2298         (scopdet_basic_block_info, build_scops_1): Don't use
2299         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2300
2301 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2302             Sebastian Pop  <sebastian.pop@amd.com>
2303
2304         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2305         * sese.c (sese_build_liveouts_use): Renamed from
2306         sese_build_livein_liveouts_use. Remove liveins.
2307         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2308         Call sese_build_liveouts_use.
2309         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2310         Call sese_build_liveouts_bb.
2311         (new_sese, free_sese): Remove liveins.
2312         (sese_add_exit_phis_var): Deleted.
2313         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2314         directly.
2315         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2316
2317         * sese.h (sese): Remove num_ver and livein.
2318         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2319
2320 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2321
2322         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2323
2324 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2325
2326         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2327         (build_scop_scattering): Do not use compare_prefix_loops any more.
2328         (nb_common_loops): New.
2329
2330 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2331
2332         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2333         (register_old_and_new_names): Renamed set_rename.
2334
2335 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2338         of the decl from the previous commit.
2339
2340 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         * graphite-scop-detection.c (dot_scop): New.
2343         * graphite-scop-detection.h (dot_scop): Declared.
2344
2345 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2348
2349 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2352         condition at the end of the loop.
2353         * graphite.c (graphite_initialize, graphite_finalize): Print to
2354         dump_file the compiled function.
2355         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2356         of create_empty_loop_on_edge.
2357         (translate_clast): Update the code generation of loops for the new
2358         shape of loops.
2359         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2360
2361 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         Reverted the patch from 2009-03-19.
2364
2365 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2366
2367         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2368         poly_drs vector.
2369         (print_scop): Style.
2370         * graphite-poly.h (poly_bb): Add drs vector.
2371         (PBB_DRS): Add accessor.
2372         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2373         (build_access_matrix_with_af, build_access_matrix,
2374         build_scop_data_accesses): Delete.
2375         (build_poly_dr): New.
2376         (build_pbb_drs, build_scop_drs): New.
2377         (build_poly_scop): call build_scop_drs.
2378
2379 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2380
2381         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2382         once per basic block.
2383
2384 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2385
2386         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2387         (graphite_can_represent_expr): Renamed from loop_affine_expr
2388         and enhanced.
2389         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2390         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2391         (scopdet_basic_block_info): Actually define entry_block.
2392         (stmt_simple_memref_p): Moved here from ...
2393
2394         * tree-data-ref.c (stmt_simple_memref_p): here.
2395         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2396
2397 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2398
2399         * testsuite/gcc.dg/graphite/id-4.c: New.
2400
2401 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2404         (register_old_and_new_names): Update the content of the map.
2405         When there was already a rename_map_elt in the map at that
2406         location, free it.
2407         (copy_bb_and_scalar_dependences): Do rename_variables after
2408         expand_scalar_variables.
2409         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2410         of the map.  When there was already a rename_map_elt in the
2411         map at that location, free it.
2412         (translate_clast): Pass the rename_map.  Do not initialize and free
2413         a rename_map per stmt_user.
2414         (gloog): Initialize and free one rename_map and pass it to
2415         translate_clast.
2416
2417 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * sese.c (expand_scalar_variables_stmt,
2420         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2421         parameter.
2422         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2423         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2424         the gimple_stmt_iterator of the statement to be expanded.
2425         * graphite-scop-detection.c (is_simple_operand): Do handle
2426         REALPART_EXPR.
2427
2428 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2429
2430         * graphite-scop-detection.c (is_simple_operand): Do not handle
2431         REALPART_EXPR.
2432         * testsuite/gcc.dg/graphite/id-2.c: New.
2433
2434         * graphite-sese-to-poly.c (build_bb_loops,
2435         add_value_to_dim, scan_tree_for_params_right_scev,
2436         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2437         find_params_in_bb, build_loop_iteration_domains,
2438         add_conditions_to_domain): Remove subtract.
2439
2440 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2441
2442         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2443         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2444         pbb_loop_at_index -> gbb_loop_at_index.
2445         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2446         (debug_loop_vec): Delete.
2447         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2448         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2449         (PBB_LOOPS): Removed.
2450         (PBB_BLACK_BOX): Insert cast.
2451         (pbb_set_black_box): New setter.
2452         (pbb_loop_at_index, pbb_loop_index): Removed.
2453         (scop_set_region, scop_set_nb_params): New.
2454         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2455         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2456         (build_poly_scop): Use scop_set_nb_params.
2457         * sese.h (gimple_bb): Add LOOPS.
2458         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2459
2460 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2461
2462         Revert previous commit.
2463
2464 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2465
2466         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2467         (register_old_and_new_names): Update the content of the map.
2468         When there was already a rename_map_elt in the map at that
2469         location, free it.
2470         (copy_bb_and_scalar_dependences): Do rename_variables after
2471         expand_scalar_variables.
2472         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2473         of the map.  When there was already a rename_map_elt in the
2474         map at that location, free it.
2475         (translate_clast): Pass the rename_map.  Do not initialize and free
2476         a rename_map per stmt_user.
2477         (gloog): Initialize and free one rename_map and pass it to
2478         translate_clast.
2479
2480 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2481
2482         Remove forgotten line in revert.
2483
2484 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2485
2486         Revert previous commit.
2487
2488 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * sese.c (register_old_and_new_names): Update the content
2491         of the map.  When there was already a rename_map_elt in the
2492         map at that location, free it.
2493         (copy_bb_and_scalar_dependences): Do rename_variables after
2494         expand_scalar_variables.
2495         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2496         of the map.  When there was already a rename_map_elt in the
2497         map at that location, free it.
2498         (translate_clast): Pass the rename_map.  Do not initialize and free
2499         a rename_map per stmt_user.
2500         (gloog): Initialize and free one rename_map and pass it to
2501         translate_clast.
2502
2503 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2504
2505         * graphite-clast-to-gimple.c (translate_clast): context_loop
2506         is never NULL.
2507
2508 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2509             Sebastian Pop  <sebastian.pop@amd.com>
2510
2511         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2512         of the use of ppl_Polyhedron_map_space_dimensions.
2513
2514 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2515             Sebastian Pop  <sebastian.pop@amd.com>
2516
2517         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2518         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2519         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2520         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2521         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2522         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2523         pbb_nb_params): New.
2524         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2525         nb_loops_around_pbb): Adapt return types.
2526
2527 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2528
2529         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2530         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2531         graphite-scop-detection.o, graphite-poly.o): Add
2532         more headers.
2533
2534 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2535
2536         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2537         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2538         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2539
2540 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2541
2542         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2543         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2544         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2545         * testsuite/gcc.dg/graphite/block-0.c: Same.
2546         * testsuite/gcc.dg/graphite/block-1.c: Same.
2547         * testsuite/gcc.dg/graphite/block-2.c: Same.
2548         * testsuite/gcc.dg/graphite/block-3.c: Same.
2549         * testsuite/gcc.dg/graphite/block-4.c: Same.
2550         * testsuite/gcc.dg/graphite/block-5.c: Same.
2551         * testsuite/gcc.dg/graphite/block-6.c: Same.
2552         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2553         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2554         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2555         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2556         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2557         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2558         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2559         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2560         * opts.c: Remove -floop-block from -O2.
2561         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2562         -floop-strip-mine are used.
2563
2564 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2565             Sebastian Pop  <sebastian.pop@amd.com>
2566
2567         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2568         dimensions.
2569         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2570         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2571         strip_mine_profitable_p, is_interchange_valid,
2572         graphite_trans_bb_block, graphite_trans_loop_block,
2573         graphite_trans_scop_block): Temporary removed.
2574         (extend_scattering, unify_scattering_dimensions): New.
2575         (print_scattering_function, graphite_read_transforms):
2576         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2577         (graphite_generate_scattering_fns): Removed.
2578         (apply_poly_transforms): Cleanup.
2579         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2580         (schedule_to_scattering): Moved.
2581         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2582         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2583         (pbb_nb_scattering): New.
2584         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2585         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2586         Removed.
2587         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2588         shift_poly.
2589         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2590         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2591         -> PBB_TRANSFORMED_SCATTERING.
2592         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2593         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2594         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2595         (check_poly_representation): Do not return bool.
2596         (graphite_transform_loops): Reformat.
2597         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2598
2599 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2600
2601         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2602         debug_pbb_domain, debug_pbb, debug_scop): New.
2603         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2604         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2605
2606 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2607
2608         PR middle-end/39335
2609         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2610         when the type precision of the induction variable should be
2611         larger than the type precision of nit.
2612         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2613         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2614         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2615
2616         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2617         * testsuite/gcc.dg/graphite/pr39335.c: New.
2618
2619 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2622         SSA_NAMES not struct reduction_info.
2623
2624 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2625
2626         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2627
2628 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2629             Tobias Grosser  <grosser@fim.uni-passau.de>
2630
2631         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2632         (free_sese): Free SESE_REDUCTION_LIST.
2633         * sese.h (struct sese): Add field reduction_list.
2634         (SESE_REDUCTION_LIST): New.
2635         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2636         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2637
2638 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2639             Tobias Grosser  <grosser@fim.uni-passau.de>
2640
2641         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2642         of loop_p.
2643
2644 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2645             Tobias Grosser  <grosser@fim.uni-passau.de>
2646
2647         * tree-parloops.c (struct brli, build_reduction_list_info,
2648         analyze_reduction_list, gather_scalar_reductions): New.
2649         (loop_parallel_p): Build a reduction list containing only
2650         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2651         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2652         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2653         * tree-flow.h (gather_scalar_reductions): Declared.
2654
2655 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         PR middle-end/39308
2658         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2659         number_of_iterations_exit from a gcc_assert.
2660
2661 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2662             Jan Sjodin  <jan.sjodin@amd.com>
2663
2664         * output.h (graphite_out_file, graphite_in_file): Declared.
2665         * toplev.c (graphite_out_file, graphite_in_file): New.
2666         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2667         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2668         Don't call schedule_to_scattering.
2669         * common.opt (fgraphite-write, fgraphite-read): New.
2670         * graphite-poly.c: Include output.h.
2671         (print_scattering_function, print_scattering_functions,
2672         debug_scattering_function, debug_scattering_functions,
2673         graphite_write_transforms, graphite_read_transforms,
2674         graphite_generate_scattering_fns): New.
2675         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2676         Call graphite_generate_scattering_fns, graphite_write_transforms,
2677         graphite_read_transforms.
2678         (new_poly_bb): Initialize PBB_SCATTERING.
2679         (free_poly_bb): Free PBB_SCATTERING.
2680         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2681         * graphite-poly.h (struct poly_bb): Add field scattering.
2682         (PBB_SCATTERING): New.
2683         (print_scattering_function, print_scattering_functions,
2684         debug_scattering_function, debug_scattering_functions): Declared.
2685         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2686         GMP values, not integers!
2687         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2688         ppl_read_polyhedron_matrix): New.
2689         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2690         debug_ppl_polyhedron_matrix,
2691         ppl_read_polyhedron_matrix): Declared.
2692         * Makefile.in (graphite-poly.o): Depends on output.h.
2693
2694 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2695             Tobias Grosser  <grosser@fim.uni-passau.de>
2696
2697         Revert this change:
2698         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2699         scalar evolutions in the scop_entry->loop_father.
2700
2701 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2702             Tobias Grosser  <grosser@fim.uni-passau.de>
2703
2704         * graphite.h (ref_nb_loops): Remove declaration.
2705         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2706         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2707         debug_gbb): Moved to sese.h.
2708         * sese.h: As said.
2709
2710 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2711             Tobias Grosser  <grosser@fim.uni-passau.de>
2712
2713         * graphite-data-ref.[ch]: Disable.
2714
2715 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2716             Tobias Grosser  <grosser@fim.uni-passau.de>
2717
2718         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2719         scalar evolutions in the scop_entry->loop_father.
2720
2721 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2724         (graphite_cannot_represent_loop_niter): Renamed
2725         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2726         (limit_scops): build_sese_loop_nests does not return a bool.
2727         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2728         * sese.c (nb_reductions_in_loop): ... from here.
2729         (graphite_loop_normal_form): ... from here.
2730         (sese_record_loop): Does not fail, so does not return a bool.
2731         (build_sese_loop_nests): Same.
2732         * sese.h (build_sese_loop_nests): Update declaration.
2733         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2734         (build_graphite_loop_normal_form): New.
2735         (gloog): Call build_graphite_loop_normal_form.
2736         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2737         build_sese_loop_nests.
2738
2739         * testsuite/gcc.dg/graphite/id-1.c: New.
2740
2741 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2742             Tobias Grosser  <grosser@fim.uni-passau.de>
2743
2744         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2745         The SCoP detection fix is sufficient.
2746
2747 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2748
2749         PR tree-optimization/39260
2750         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2751         the basic block contains a condition with a real type.
2752         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2753
2754         * gcc.dg/graphite/pr39260.c: New.
2755
2756 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-poly.c: Inlcude params.h.
2759         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2760         the size of a tile.
2761         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2762         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2763
2764 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2765             Tobias Grosser  <grosser@fim.uni-passau.de>
2766
2767         * graphite-scop-detection.c (dot_all_scops_1,
2768         dot_all_scops): Moved here.
2769         * graphite-scop-detection.h (dot_all_scops): Declared here.
2770         * graphite.c (graphite_initialize, graphite_finalize): New.
2771         (graphite_transform_loops): Cleaned up.
2772         * sese.c (debug_oldivs): Moved here.
2773         * graphite-poly.c (graphite_apply_transformations): Renamed
2774         apply_poly_transforms.
2775         (debug_loop_vec): Moved here.
2776         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2777         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2778         find_scop_parameters, build_scop_iteration_domain,
2779         add_conditions_to_constraints, build_scop_canonical_schedules,
2780         build_scop_data_accesses): Now static.
2781         (build_poly_scop, check_poly_representation): New.
2782
2783 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2786         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2787         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2788         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2789         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2790         scan_tree_for_params, struct irp_data, dx_record_params,
2791         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2792         build_loop_iteration_domains, add_conditions_to_domain,
2793         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2794         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2795         build_sese_conditions, add_conditions_to_constraints,
2796         build_scop_iteration_domain, build_access_matrix_with_af,
2797         build_access_matrix,
2798         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2799
2800         * graphite-sese-to-poly.c: New.
2801         * graphite-sese-to-poly.h: New.
2802
2803         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2804
2805 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * graphite.c: Split graphite code generation to a new file.
2808         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2809         max_precision_type, clast_to_gcc_expression_red,
2810         clast_to_gcc_expression, gcc_type_for_clast_expr,
2811         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2812         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2813         graphite_create_new_guard, clast_get_body_of_loop,
2814         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2815         graphite_create_new_loop, build_iv_mapping, copy_renames,
2816         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2817         compute_cloog_iv_types, free_scattering, save_var_name,
2818         initialize_cloog_names, build_scop_context, build_cloog_prog,
2819         set_cloog_options, debug_clast_stmt, scop_to_clast,
2820         print_generated_program, debug_generated_program,
2821         gloog): Moved to graphite-clast-to-gimple.c.
2822
2823         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2824
2825         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2826         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2827         loop_iv_stack_pop, loop_iv_stack_get_iv,
2828         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2829         free_loop_iv_stack, loop_iv_stack_remove_constants,
2830         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2831         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2832         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2833         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2834         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2835         get_vdef_before_sese, sese_adjust_vphi,
2836         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2837         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2838         is_iv, expand_scalar_variables_ssa_name,
2839         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2840         expand_scalar_variables, rename_variables, remove_condition,
2841         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2842         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2843         default_liveout_before_guard, add_guard_exit_phis,
2844         insert_guard_phis, register_old_and_new_names,
2845         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2846         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2847         if_region_set_false_region, create_if_region_on_edge,
2848         move_sese_in_condition): Moved to sese.c.
2849
2850         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2851         if_region_exit, if_region_get_condition_block,
2852         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2853         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2854         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2855         ivtype_map_elt, new_ivtype_map_elt,
2856         recompute_all_dominators): Moved to sese.h.
2857
2858         * graphite-clast-to-gimple.c: New.
2859         * graphite-clast-to-gimple.h: New.
2860         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2861         * sese.c: Modified as said above.
2862         * sese.h: Same.
2863
2864 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         * graphite.c: Split scop detection to a new file.
2867         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2868         move_sd_regions, loop_affine_expr, exclude_component_ref,
2869         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2870         graphite_cannot_represent_loop_niter, struct scopdet_info,
2871         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2872         find_single_entry_edge, find_single_exit_edge,
2873         create_single_entry_edge, sd_region_without_exit,
2874         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2875         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2876         Moved to graphite-scop-detection.c.
2877
2878         * graphite-scop-detection.c: New.
2879         * graphite-scop-detection.h: New.
2880         * Makefile.in: Add new rule for graphite-scop-detection.o.
2881
2882         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2883         tree-scalar-evolution.h.
2884         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2885         build_sese_loop_nests): Moved here from graphite.c.
2886         (param_index): Renamed parameter_index_in_region.
2887
2888 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2889             Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         * gcc.dg/graphite/block-0.c: Expected to fail now.
2892         * gcc.dg/graphite/block-1.c: Same.
2893         * gcc.dg/graphite/block-5.c: Same.
2894         * gcc.dg/graphite/block-6.c: Same.
2895
2896 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2897             Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * graphite.h: Separate from graphite_bb_p the polyhedral
2900         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2901         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2902         graphite-data-ref.h.
2903         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2904         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2905         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2906         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2907         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2908         scop_nb_params): Moved to graphite-poly.h.
2909         * graphite-data-ref.c: Same.
2910         * graphite-data-ref.h: New.
2911         * graphite.c: Same.
2912         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2913         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2914         is_interchange_valid, graphite_trans_bb_block,
2915         graphite_trans_loop_block, scop_max_loop_depth,
2916         graphite_trans_scop_block, graphite_apply_transformations,
2917         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2918         graphite-poly.c.
2919         * graphite-poly.h: New.
2920         * graphite-poly.c: New.
2921         * Makefile.in (OBJS-common): Add graphite-poly.o.
2922         (graphite-poly.o): New rule.
2923         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2924         (DR_SCOP): Removed.
2925
2926 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2927             Tobias Grosser  <grosser@fim.uni-passau.de>
2928
2929         * graphite.c: Replace gb -> gbb.
2930         * graphite.h: Same.
2931         * graphite-data-ref.c: Same.
2932
2933 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2934             Tobias Grosser  <grosser@fim.uni-passau.de>
2935
2936         * Makefile.in (OBJS-commmon): Add sese.o.
2937         (sese.o): New.
2938         (graphite.o): Add sese.h.
2939         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2940         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2941         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2942         Move to sese.
2943         (block_before_scop): Add missing return.
2944         (new_scop, free_scop): Remove SESE data structures.
2945         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2946         find_scop_parameters, build_loop_iteration_domains,
2947         add_conditions_to_domain, register_scop_liveout_renames,
2948         copy_bb_and_scalar_dependences): Scop -> SESE.
2949
2950         (add_conditions_to_domain): SCoP -> SESE and remove check
2951         (scop_contains_non_iv_scalar_phi_nodes): New.
2952         (build_scop_conditions_1, build_scop_conditions): Remove check for
2953         non iv scalar phi nodes.
2954         (print_scop_statistics): New.
2955         (graphite_transform_loops): Cleanup.
2956
2957         * graphite.h: Move to sese & cleanup.
2958         * sese.c: New.
2959         * sese.h: New.
2960
2961 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2962             Tobias Grosser  <grosser@fim.uni-passau.de>
2963
2964         * graphite.c (build_scop_conditions_1): Conditions are only
2965         at the end of a basic block.
2966
2967 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2968             Tobias Grosser  <grosser@fim.uni-passau>
2969
2970         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2971         field.
2972         (GBB_ALPHA): Removed.
2973
2974 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2975             Tobias Grosser  <grosser@fim.uni-passau.de>
2976
2977         * graphite-data-ref.c (graphite_test_dependence): Don't use
2978         GBB_DYNAMIC_SCHEDULE.
2979         * graphite.c (new_graphite_bb): Same.
2980         (free_graphite_bb): Same.
2981         (build_scop_dynamic_schedules): Removed.
2982         (graphite_transform_loops): Don't call it.
2983         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2984         (GBB_DYNAMIC_SCHEDULE): Removed.
2985
2986 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2987             Tobias Grosser  <grosser@fim.uni-passau.de>
2988
2989         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2990         (print_graphite_bb): Same.
2991         (build_cloog_prog): Same.
2992
2993 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2994             Tobias Grosser  <grosser@fim.uni-passau.de>
2995
2996         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2997
2998 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2999             Tobias Grosser  <grosser@fim.uni-passau.de>
3000
3001         * graphite.c (build_scop_context): Don't use CloogMatrix.
3002         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3003         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3004
3005 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3006             Tobias Grosser  <grosser@fim.uni-passau.de>
3007
3008         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3009         liveout_renames, add_params fields...
3010         (struct sese): ... here.
3011         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3012         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3013
3014 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3015             Tobias Grosser  <grosser@fim.uni-passau.de>
3016
3017         * graphite.c (print_scop): Do not print the CLooG program.
3018         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3019         build_cloog_prog, gloog): Don't use SCOP_PROG.
3020         (find_transform): Renamed scop_to_clast.
3021         (print_generated_program, debug_generated_program): New.
3022         (graphite_transform_loops): Adapt to new interface.
3023         * graphite.h (struct scop): Remove program field.
3024         (SCOP_PROG): Removed.
3025         (print_generated_program, debug_generated_program): Declared.
3026
3027 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3030         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3031         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3032         free_graphite_bb, build_scop_canonical_schedules,
3033         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3034         schedules are now represented using a ppl_Linear_Expression_t.
3035         * graphite.h (struct graphite_bb): Same.
3036         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3037         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3038
3039 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite.c: Free local memory.
3042         * graphite-ppl.c: Same.
3043
3044 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3045
3046         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3047         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3048         swap_constraint_variables, scale_constraint_variable): Removed.
3049         (graphite_trans_bb_strip_mine): Remove pong.
3050         * graphite-ppl.c: Include missing header files.
3051         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3052         * graphite-ppl.h (ppl_strip_loop): Declared.
3053         * Makefile.in (graphite-ppl.o): Adjust dependences.
3054
3055 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3058         (build_scop_iteration_domain): Same.
3059
3060 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3063         ping pong.
3064         (add_value_to_dim, scan_tree_for_params_right_scev,
3065         scan_tree_for_params_int): New.
3066         * graphite-ppl.c (oppose_constraint): New.
3067         (insert_constraint_into_matrix): Implement missing cases.
3068         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3069
3070 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3073         use ppl_move_dimension.
3074
3075 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3078         * graphite.c: Same.
3079         * graphite.h: Same.
3080         * graphite-ppl.c: Same.
3081         * graphite-ppl.h: Same.
3082
3083 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3084
3085         Revert last 3 commits.
3086
3087 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3088
3089         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3090         ping pong.
3091         (add_value_to_dim, scan_tree_for_params_right_scev,
3092         scan_tree_for_params_int): New.
3093         * graphite-ppl.c (oppose_constraint): New.
3094         (insert_constraint_into_matrix): Implement missing cases.
3095         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3096
3097 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3100
3101 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3102             Tobias Grosser  <grosser@fim.uni-passau.de>
3103
3104         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3105         use ppl_move_dimension.
3106         * graphite-ppl.c (ppl_move_dimension): New.
3107         * graphite-ppl.h (ppl_move_dimension): Declared.
3108
3109 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3110
3111         * graphite.c: Do not include cloog/cloog.h.
3112         (print_graphite_bb): Remove ping pong, call PPL print function.
3113
3114 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3117         (graphite.o): Add dependence on graphite-ppl.h.
3118         (graphite-ppl.o): New.
3119         (graphite-data-ref.c): Ping pong between PPL data structures
3120         and matrices.
3121         * graphite-ppl.c: New.
3122         * graphite-ppl.h: New.
3123         * graphite.c: Include graphite-ppl.h.
3124         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3125         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3126         Ping pong between PPL data structures and matrices.
3127         (new_graphite_bb): Create a PPL constraint system.
3128         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3129         (build_loop_iteration_domains): Use PPL functions.
3130         * graphite.h: Include graphite-ppl.h.  Fix comments.
3131         (graphite_bb): Use a ppl_Constraint_System_t instead of
3132         CloogMatrix for representing the domain.
3133         (scop): Remove static_schedule.
3134         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3135
3136 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3137
3138         * graphite.c: Fix some comments.
3139
3140 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         PR middle-end/38953
3143         * graphite.c (if_region_set_false_region): After moving a region
3144         in the false branch of a condition, remove the empty dummy
3145         basic block.
3146         (gloog): Remove wrong fix for PR38953.
3147
3148 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3149
3150         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3151         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3152         register_bb_in_sese, new_sese, free_sese): Moved.
3153         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3154         outermost_loop_in_scop, build_scop_iteration_domain,
3155         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3156         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3157         Use loop_in_sese_p instead of loop_in_scop_p.
3158         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3159         (free_scop): Do not free SCOP_BBS_B.
3160         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3161         ref_nb_loops): Moved here...
3162         * graphite.h (ref_nb_loops): ... from here.
3163         (struct scop): Remove bbs_b bitmap.
3164         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3165         * testsuite/gcc.dg/graphite/scop-19.c: New
3166
3167 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3168
3169         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3170         detection.
3171
3172 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3173
3174         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3175         eq_loop_to_cloog_loop): Remove.
3176         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3177         * graphite.h (struct scop): Remove loop2cloog_loop.
3178         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3179
3180 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3181
3182         * opts.c (decode_options): Only add graphite options to O2
3183         if we compile with graphite enabled.
3184
3185 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3186
3187         * Merge from mainline (r143163:143684).
3188
3189 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         * graphite.c (debug_value): Removed.
3192         * graphite.h (debug_value): Removed.
3193
3194 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3195
3196         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3197         after graphite: pass_copy_prop does not maintain a proper loop closed
3198         SSA form.  pass_copy_prop should be fixed.
3199
3200 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3203
3204 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3207         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3208         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3209         changed the CFG.
3210
3211 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3212
3213         * graphite.c (gloog): Return true when code gen succeeded.
3214         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3215         the code of the function did not changed.  After cleanup_tree_cfg
3216         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3217         form.
3218
3219 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3222         gimple_call_lhs is NULL.
3223
3224 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3225             Tobias Grosser  <tobi.grosser@amd.com>
3226
3227         * graphite.c (graphite_trans_scop_block): Do not block single
3228         nested loops.
3229
3230 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3231             Tobias Grosser  <tobi.grosser@amd.com>
3232
3233         * graphite.c (build_scop_canonical_schedules): Start schedules at
3234         zero.
3235
3236 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3237             Tobias Grosser  <tobi.grosser@amd.com>
3238
3239         * graphite.c (compare_prefix_loops): New.
3240         (build_scop_canonical_schedules): Rewritten.
3241         (graphite_transform_loops): Move build_scop_canonical_schedules
3242         after build_scop_iteration_domain.
3243
3244 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3245             Tobias Grosser  <tobi.grosser@amd.com>
3246
3247         * graphite.c (add_conditions_to_domain): Add the loops to
3248         the dimension of the iteration domain.  Do copy the domain
3249         only when it exists.
3250         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3251         (add_conditions_to_constraints): New.
3252         (can_generate_code_stmt, can_generate_code): Removed.
3253         (gloog): Do not call can_generate_code.
3254         (graphite_transform_loops): Call add_conditions_to_constraints
3255         after building the iteration domain.
3256
3257 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3258             Tobias Grosser  <tobi.grosser@amd.com>
3259             Jan Sjodin  <jan.sjodin@amd.com>
3260
3261         * graphite.c (scan_tree_for_params): On substractions negate
3262         all the coefficients of the term.
3263         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3264         of more than two operands.
3265         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3266         (get_vdef_before_scop): Handle also the case of default definitions.
3267
3268 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3269
3270         PR middle-end/38431
3271         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3272         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3273         (gloog): Do not call cleanup_tree_cfg.
3274         (graphite_transform_loops): Call cleanup_tree_cfg after all
3275         scops have been code generated.
3276
3277 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * passes.c (init_optimization_passes): Schedule after
3280         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3281
3282 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3285         Fix comment.
3286         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3287         Set the type of an expression to the type of its assign statement.
3288         (expand_scalar_variables_expr):  Do not pass loop_p.
3289         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3290         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3291         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3292
3293 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3296         an expression to the gimple_expr_type of its assign statement.
3297         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3298         or tcc_declaration.
3299
3300 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3301
3302         PR tree-optimization/38786
3303         * testsuite/gcc.dg/graphite/pr38786.c: New.
3304         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3305         the SSA_NAME case of expand_scalar_variables_expr.
3306         (expand_scalar_variables_expr): Also gather the scalar computation
3307         used to index the memory access.
3308         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3309         the gimple_stmt_iterator where it inserts new code.
3310
3311 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3314
3315 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * opts.c (decode_options): Enable flag_graphite_identity and
3318         flag_loop_block in -O2 and above.
3319
3320 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3321
3322         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3323         Fix merge problem: replace with the file from trunk.
3324
3325 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * Merge from mainline (r141727:143163).
3328
3329 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3330             Jan Sjodin  <jan.sjodin@amd.com>
3331
3332         PR tree-optimization/38559
3333         * testsuite/gcc.dg/graphite/pr38559.c: New.
3334
3335         * graphite.c (debug_value, copy_constraint,
3336         swap_constraint_variables, scale_constraint_variable, ): New.
3337         (get_lower_bound, get_upper_bound): Removed.
3338         (graphite_trans_bb_strip_mine): Clean up this code that works
3339         only for constant number of iterations.  Fully copy upper and
3340         lower bound constraints, not only the constant part of them.
3341         * graphite.h (debug_value): Declared.
3342
3343 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3344
3345         PR tree-optimization/38492
3346         PR tree-optimization/38498
3347         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3348         * tree-chrec.h (scev_is_linear_expression): Declared.
3349         * graphite.c (graphite_cannot_represent_loop_niter): New.
3350         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3351         (graphite_loop_normal_form): Use gcc_assert.
3352         (scan_tree_for_params): Use CASE_CONVERT.
3353         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3354         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3355         Use gcc_assert.  Discard scops that contain unhandled cases.
3356         (build_scop_conditions): Return a boolean status for unhandled cases.
3357         (strip_mine_profitable_p): Print the loop number, not its depth.
3358         (is_interchange_valid): Pass the depth of the loop nest, don't
3359         recompute it wrongly.
3360         (graphite_trans_bb_block): Same.
3361         (graphite_trans_bb_block): Print tentative of loop blocking.
3362         (graphite_trans_scop_block): Do not print that the loop has been
3363         blocked.
3364         (graphite_transform_loops): Do not handle scops that contain condition
3365         scalar phi nodes.
3366
3367         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3368         in trunk.
3369         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3370         * testsuite/gcc.dg/graphite/block-1.c: Same.
3371         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3372         blocking.
3373         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3374         * testsuite/gcc.dg/graphite/block-3.c: New.
3375         * testsuite/gcc.dg/graphite/pr38498.c: New.
3376
3377 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3378
3379         PR tree-optimization/38510
3380         * gcc.dg/graphite/pr38510.c: New.
3381         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3382           (translate_clast): Call recompute_all_dominators before
3383           graphite_verify.
3384           (gloog): Call recompute_all_dominators before graphite_verify.
3385
3386 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         PR tree-optimization/38492
3389         * graphite.c (rename_map_elt, debug_rename_elt,
3390         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3391         rename_map_elt_info, eq_rename_map_elts,
3392         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3393         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3394         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3395         (sese_build_livein_liveouts): New.
3396         (new_sese, free_sese): New.
3397         (new_scop): Call new_sese.
3398         (free_scop): Call free_sese.
3399         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3400         (register_old_new_names): Renamed register_old_and_new_names.
3401         (register_scop_liveout_renames, add_loop_exit_phis,
3402         insert_loop_close_phis, struct igp,
3403         default_liveout_before_guard, add_guard_exit_phis,
3404         insert_guard_phis, copy_renames): New.
3405         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3406         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3407         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3408         (scop_adjust_phis_for_liveouts): New.
3409         (gloog): Call scop_adjust_phis_for_liveouts.
3410
3411         * graphite.h (struct sese): Documented.  Added fields liveout,
3412         num_ver and livein.
3413         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3414         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3415         (struct scop): Added field liveout_renames.
3416         (SCOP_LIVEOUT_RENAMES): New.
3417
3418 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         PR tree-optimization/38409
3421         * gcc.dg/graphite/pr38409.c: New.
3422         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3423
3424 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3425
3426         * graphite.c (gcc_type_for_cloog_iv): By default return
3427         integer_type_node.
3428         (graphite_create_new_loop): Don't fold_convert the already
3429         fold_convert-ed expression.
3430
3431 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3432
3433         PR tree-optimization/38446
3434         * gcc.dg/graphite/pr38446.c: New.
3435         * graphite.c (register_bb_in_sese): New.
3436         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3437         looking at the bbs in the region.
3438         * graphite.h (sese): Add region_basic_blocks pointer set to
3439         structure and initialize at the time of defining new scop.
3440
3441 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3442
3443         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3444         (find_params_in_bb): Do not free data refs.
3445         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3446
3447 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3450         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3451         * testsuite/gcc.dg/graphite/block-5.c: New.
3452         * testsuite/gcc.dg/graphite/block-6.c: New.
3453         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3454         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3455         * testsuite/gcc.dg/graphite/block-2.c: Same.
3456
3457         * graphite.c (struct ivtype_map_elt): New.
3458         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3459         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3460         gcc_type_for_cloog_iv): New.
3461         (loop_iv_stack_patch_for_consts): Use the type of the induction
3462         variable from the original loop, except for the automatically
3463         generated loops, i.e., in the case of a strip-mined loop, in
3464         which case there is no original loop: in that case just use
3465         integer_type_node.
3466         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3467         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3468         (clast_name_to_gcc): Accept params to be NULL.
3469         (clast_to_gcc_expression): Take an extra parameter for the type.
3470         Convert to that type all the expressions built by this function.
3471         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3472         (graphite_translate_clast_equation): Compute the type of the
3473         clast_equation before translating its LHS and RHS.
3474         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3475         (graphite_create_new_loop): Compute the type of the induction
3476         variable before translating the lower and upper bounds and before
3477         creating the induction variable.
3478         (rename_variables_from_edge, rename_phis_end_scop): New.
3479         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3480         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3481         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3482         compute_cloog_iv_types): New.
3483         (gloog): Call compute_cloog_iv_types before starting the
3484         translation of the clast.
3485
3486         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3487         (GBB_CLOOG_IV_TYPES): New.
3488         (debug_ivtype_map): Declared.
3489         (oldiv_for_loop): New.
3490
3491 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3492
3493         PR middle-end/38459
3494         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3495         (param_index): Assert if parameter is not know after parameter
3496         detection.
3497         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3498         (find_scop_parameters): Mark, that we have finished parameter
3499         detection.
3500         (graphite_transform_loops): Move condition detection before parameter
3501         detection.
3502         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3503         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3504
3505 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3506
3507         * graphite.c (graphite_transform_loops): Always call find_transform ()
3508         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3509         generate code.
3510
3511 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3512
3513         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3514         (print_scop): Ditto.
3515
3516 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3517
3518         PR middle-end/38084
3519         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3520         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3521         regions more than once.
3522
3523 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3524
3525         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3526         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3527         when not needed.
3528
3529 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3530
3531         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3532         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3533         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3534         (max_precision_type): New.
3535         (value_clast): Removed.
3536         (clast_to_gcc_expression): Be more careful to types of expressions.
3537         Use max_precision_type and update use of gmp_cst_to_tree.
3538         (graphite_translate_clast_equation): Use max_precision_type.
3539         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3540         use the type of the condition.
3541         (graphite_create_new_loop): Do not use integer_type_node, use the
3542         max_precision_type of lb and ub.
3543
3544 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3545
3546         * graphite.c (build_scops_1): Initialize open_scop.exit
3547         and sinfo.last.
3548
3549 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3550
3551         * testsuite/gcc.dg/graphite/pr38084.c: New.
3552         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3553         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3554         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3555         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3556         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3557
3558 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3559             Jan Sjodin  <jan.sjodin@amd.com>
3560             Harsha Jagasia  <harsha.jagasia@amd.com>
3561
3562         PR middle-end/37852
3563         PR middle-end/37883
3564         PR middle-end/37928
3565         PR middle-end/37980
3566         PR middle-end/38038
3567         PR middle-end/38039
3568         PR middle-end/38073
3569         PR middle-end/38083
3570         PR middle-end/38125
3571
3572         * testsuite/gcc.dg/graphite/pr38073.c: New.
3573         * testsuite/gcc.dg/graphite/pr37928.c: New.
3574         * testsuite/gcc.dg/graphite/pr37883.c: New.
3575         * testsuite/gcc.dg/graphite/pr38125.c: New.
3576         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3577         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3578         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3579
3580         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3581         the number of detected scops.  Copy exact same test for loop
3582         blocking...
3583         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3584         loops to be blocked as reductions are not handled.
3585         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3586
3587         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3588         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3589         ...here.
3590         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3591         * Makefile.in (graphite.o): Depend on value-prof.h.
3592         (graphite.o-warn): Removed -Wno-error.
3593         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3594         to be a NULL pointer.  Call update_stmt.  Return the newly created
3595         cannonical induction variable.
3596
3597         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3598
3599         * graphite.c: Reimplement the code generation from graphite to gimple.
3600         Include value-prof.h.
3601         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3602         (get_old_iv_from_ssa_name): Removed.
3603         (graphite_stmt_p): New.
3604         (new_graphite_bb): Test for useful statements before building a
3605         graphite statement for the basic block.
3606         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3607         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3608         reason.
3609         (recompute_all_dominators, graphite_verify,
3610         nb_reductions_in_loop, graphite_loop_normal_form): New.
3611         (scop_record_loop): Call graphite_loop_normal_form.
3612         (build_scop_loop_nests): Iterate over all the blocks of the
3613         function instead of relying on the incomplete information from
3614         SCOP_BBS.  Return the success of the operation.
3615         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3616         (add_bb_domains): Removed.
3617         (build_loop_iteration_domains): Don't call add_bb_domains.
3618         Add the iteration domain only to the basic blocks that have been
3619         translated to graphite.
3620         (build_scop_conditions_1): Add constraints only if the basic
3621         block have been translated to graphite.
3622         (build_scop_data_accesses): Completely disabled until data
3623         dependence is correctly implemented.
3624         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3625         (remove_all_edges_1, remove_all_edges): Removed.
3626         (get_new_name_from_old_name): New.
3627         (graphite_rename_variables_in_stmt): Renamed
3628         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3629         Use replace_exp and update_stmt.
3630         (is_old_iv): Renamed is_iv.
3631         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3632         Use replace_exp and update_stmt.
3633         (expand_scalar_variables_expr): Same.  Use the map to get the
3634         new names for the renaming of induction variables and for the
3635         renaming of variables after a basic block has been copied.
3636         (expand_scalar_variables): Same.
3637         (graphite_rename_variables): Renamed rename_variables.
3638         (move_phi_nodes): Removed.
3639         (get_false_edge_from_guard_bb): New.
3640         (build_iv_mapping): Do not insert the induction variable of a
3641         loop in the renaming iv map if the basic block does not belong
3642         to that loop.
3643         (register_old_new_names, graphite_copy_stmts_from_block,
3644         copy_bb_and_scalar_dependences): New.
3645         (translate_clast): Heavily reimplemented: copy basic blocks,
3646         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3647         At each translation step call graphite_verify ensuring the
3648         consistency of the SSA, loops and dominators information.
3649         (collect_virtual_phis, find_vdef_for_var_in_bb,
3650         find_vdef_for_var_1, find_vdef_for_var,
3651         patch_phis_for_virtual_defs): Removed huge hack.
3652         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3653         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3654         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3655         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3656         if_region_get_condition_block, if_region_set_false_region,
3657         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3658         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3659         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3660         rewrite_into_sese_closed_ssa): New.
3661         (gloog): Remove dead code.  Early return if code cannot be
3662         generated.  Call cleanup_tree_cfg once the scop has been code
3663         generated.
3664         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3665         block loops with less than two loops.
3666         (graphite_apply_transformations): Remove the call to
3667         scop_remove_ignoreable_gbbs.
3668         (limit_scops): When build_scop_loop_nests fails, continue on
3669         the next scop.  Fix open_scop.entry.
3670         (graphite_transform_loops): Call recompute_all_dominators: force the
3671         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3672         Call initialize_original_copy_tables and free_original_copy_tables
3673         to be able to copy basic blocks during code generation.
3674         When build_scop_loop_nests fails, continue on next scop.
3675         (value_clast): New union.
3676         (clast_to_gcc_expression): Fix type cast warning.
3677
3678 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3679
3680         * Merge from mainline (r140838:141727).
3681
3682 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3683
3684         PR middle-end/37833
3685
3686         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3687
3688 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3689
3690         PR middle-end/37943
3691
3692         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3693         exits and conditions.
3694         * testsuite/gcc.dg/graphite/pr37943.c: New.
3695
3696 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3697
3698         PR middle-end/37886
3699         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3700
3701 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3702
3703         * doc/invoke.texi: Fix spaces.
3704
3705 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         PR tree-optimization/37891
3708         Reverted last commit.
3709         * graphite.c (create_single_entry_edge): Set
3710         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3711
3712 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3713             Mitul Thakkar  <mitul.thakkar@amd.com>
3714
3715         * graphite.c (create_single_entry_edge): Set
3716         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3717
3718 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3719
3720         * doc/invoke.texi: Add -fgraphite-identity.
3721         * graphite.c (graphite_apply_transformations): Check for
3722         -fgraphite-identity.
3723         * toplev.c (process_options): Add flag_graphite_identity.
3724         * tree-ssa-loop.c: Add flag_graphite_identity.
3725
3726 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         Undo changes from 2008-10-02:
3729         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3730         operand type when copying the operand to a variable of different type.
3731         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3732         with the IV name after increment.
3733
3734 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3735             Harsha Jagasia  <harsha.jagasia@amd.com>
3736
3737         PR tree-optimization/37828
3738         * testsuite/gcc.dg/graphite/pr37828.c: New.
3739         * graphite.c (graphite_trans_loop_block): Do not loop block
3740         single nested loops.
3741
3742 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3743             Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3746         rename_map_elt_info, eq_rename_map_elts): New.
3747         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3748         (expand_scalar_variables_expr): Change parameters.
3749         (expand_scalar_variables_stmt): Same.
3750         (expand_scalar_variables): Same.
3751         (graphite_rename_ivs): Rename graphite_rename_variables.
3752         (build_iv_mapping): New.
3753         (translate_clast): Call build_iv_mapping.
3754         * graphite.h (gbb_p): New name.
3755
3756 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3757
3758         PR tree-optimization/37684
3759         * gcc.dg/graphite/pr37684.c: New.
3760         * graphite.c (exclude_component_ref): New.
3761         (is_simple_operand): Call exclude_component_ref.
3762
3763 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3764             Harsha Jagasia  <harsha.jagasia@amd.com>
3765
3766         PR tree-optimization/37485
3767         * gcc.dg/graphite/block-2.c: New
3768         * graphite.c (gmp_cst_to_tree): Moved.
3769         (iv_stack_entry_is_constant): New.
3770         (iv_stack_entry_is_iv): New.
3771         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3772         (loop_iv_stack_insert_constant): New.
3773         (loop_iv_stack_pop): Use new datatpype.
3774         (loop_iv_stack_get_iv): Same.
3775         (loop_iv_stack_get_iv_from_name): Same.
3776         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3777         (loop_iv_stack_patch_for_consts): New.
3778         (loop_iv_stack_remove_constants): New.
3779         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3780         (translate_clast): Call loop_iv_stack_patch_for_consts and
3781         loop_iv_stack_remove_constants.
3782         (gloog): Use new datatype.  Redirect construction edge to end
3783         block to avoid accidental deletion.
3784         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3785         iv stack entry.
3786         (union iv_stack_entry_data): New.  Data in iv stack entry.
3787         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3788
3789 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3790
3791         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3792         operand type when copying the operand to a variable of different type.
3793
3794 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3795
3796         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3797         with the IV name after increment.
3798
3799 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * Merge from mainline (r140164:140838).
3802
3803 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3804
3805         * graphite-data-ref.c: New.
3806         * graphite.c (print_scop): Also dump the dependence graph.
3807         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3808         (new_scop): Initialize SCOP_DEP_GRAPH.
3809         (build_scop_dynamic_schedules): New.
3810         (build_access_matrix_with_af): Fixed column numbering.
3811         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3812         * graphite.h: Add ifndef/define guards against multiple inclusion.
3813         (struct scop): Add dep_graph field.
3814         (SCOP_DEP_GRAPH): Defined.
3815         (ref_nb_loops): Fixed and moved to other position.
3816         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3817         (nb_loops_around_loop_in_scop): New.
3818         (graphite_dump_dependence_graph): Declared.
3819         (graphite_build_rdg_all_levels): Declared.
3820         (graphite_test_dependence): Declared.
3821         * Makefile.in (graphite-data-ref.o): New target.
3822
3823 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * Merge from mainline (139870:140164).
3826
3827 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3828
3829         * Merge from mainline (138275:139870).
3830         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3831         the commits from trunk broke the niter detection.
3832
3833 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * graphite.c: Add more documentation.  Fix formatting.
3836         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3837         loop_iv_stack_debug): Moved...
3838         (schedule_to_scattering): Move before use.
3839         (dot_all_scops): Include in "#if 0" the code for system
3840         call dotty.
3841
3842         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3843         loop_iv_stack_debug): ...here.
3844
3845 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3846
3847         * tree-phinodes.c (make_phi_node): Extern.
3848         (add_phi_node_to_bb): New.
3849         (create_phi_node): Call add_phi_node_to_bb.
3850         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3851         (remove_statement): Handle case where stored phi was updated
3852         and is no longer the same.
3853         * graphite.c (is_parameter): New.
3854         (is_old_iv): New.
3855         (expand_scalar_variables_expr): New.
3856         (expand_scalar_variables_stmt): New.
3857         (expand_scalar_variables): New.
3858         (move_phi_nodes): Create new phi instead of moving old one.
3859         (translate_clast): Call expand_scalar_variables.
3860         (find_vdef_for_var_in_bb): Also scan regular definitions.
3861         (skip_phi_defs): New.
3862         (collect_scop_exit_phi_args): New.
3863         (patch_scop_exit_phi_args): New.
3864         (gloog): Patch phis after scop.
3865         * tree-flow.h: (add_phi_node_to_bb): Declared.
3866         (make_phi_node): Declared.
3867
3868 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3869
3870         * graphite.c (end_scop): Split the entry of the scop when it
3871         is the header of the loop in which the scop is ending.
3872         (build_scops_1, limit_scops): Update uses of end_scop.
3873
3874 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3877         SCOP_ENTRY or SCOP_EXIT.
3878
3879 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3880
3881         * graphite.c (get_construction_edge): Removed.
3882         (gloog): Construction edge is the scop entry edge.
3883
3884 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3885
3886         * graphite.c (can_generate_for_scop): Removed.
3887         (gloog): Do not call it.
3888
3889 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * graphite.c (new_scop): Entry of a scop is an edge.
3892         Initialize SESE region.
3893         (free_scop): Free SESE region.
3894         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3895         (split_difficult_bb): New, split from end_scop.
3896         (end_scop): Exit of a scop is an edge.
3897         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3898         not automatically updated and thus is always wrong.
3899         * graphite.h (struct sese): New.
3900         (SESE_ENTRY): New.
3901         (SESE_EXIT): New.
3902         (struct scop): New field for a SESE region.  Remove entry, exit.
3903         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3904         semantics as before.  Moved comment around.
3905
3906 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3907             Sebastian Pop  <sebastian.pop@amd.com>
3908
3909         * graphite.c (graphite_transform_loops): Always enable gloog
3910         and find_transform when ENABLE_CHECKING.
3911
3912 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         * graphite.c (graphite_transform_loops): Move pretty printer
3915         of SCOPs before doing any transform.  Remove call to print_scops
3916         and dot_all_scops_1.
3917
3918 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3919
3920         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3921         (print_graphite_bb): Same.
3922
3923 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3924
3925         * graphite.c (dot_all_scops_1): Cleanup.
3926         (move_scops): Fix comment.
3927
3928 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3929
3930         * graphite.c (build_scop_bbs): Revert commit 139355:
3931
3932         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3933                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3934
3935                 * graphite.c (build_scop_bbs): Factor up code.
3936
3937 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3938
3939         * graphite.c (gloog): Update dominator info.
3940
3941 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3942
3943         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3944
3945 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3948         initialization.
3949         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3950         (translate_clast): Correct formatting.
3951         * graphite.h (struct num_map): Removed.
3952         (struct graphite_bb): Remove num_map field.
3953         (GBB_INDEX_TO_NUM_MAP): Removed.
3954
3955 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3956
3957         * graphite.c (build_access_matrix_with_af): Fix comments.
3958         (build_scop_data_accesses): Same.
3959
3960 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3961
3962         * graphite.c (build_scop_data_accesses): Don't construct
3963         access matrices.  Add a FIXME and an assert condition that
3964         should pass when the access matrices will be needed.
3965
3966 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3969         really_constant_p.
3970         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3971         Moved close by free_graphite_bb.
3972         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3973         (new_scop): Move close by free_scop.
3974         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3975
3976 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3977
3978         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3979         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3980         instead of recursive call.
3981         (graphite_translate_clast_equation): New.
3982         (graphite_create_guard_cond_expr): New.
3983         (graphite_create_new_guard): New.
3984         (get_stack_index_from_iv): Removed.
3985         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3986         (get_true_edge_from_guard_bb): New.
3987         (translate_clast): Handle stmt_guard in clast.
3988         (get_construction_edge): Allow construction edge detection for
3989         a scope entry with multiple predecessors if one predecessor is
3990         the immediate dominator of scope entry.
3991         (can_generate_code_stmt): Enable code generation for clast_guard.
3992         (gloog): Use correct context loop.  Removed check for post dominators.
3993         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3994
3995 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3996
3997         * graphite.c (remove_dead_loops): Document better which
3998         loops are removed.
3999
4000 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4001
4002         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4003         and PPLINC.
4004         (graphite.o): Also depends on pointer-set.h.
4005
4006 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * graphite.c (scop_record_loop): Fix compile warning.
4009
4010 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4011             Sebastian Pop  <sebastian.pop@amd.com>
4012
4013         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4014
4015 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4016
4017         * graphite.c (build_graphite_bb): Initialize bb->aux to
4018         point to the graphite_bb_p.
4019         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4020         content of bb->aux.
4021         (add_bb_domains): Does not use the scop parameter.
4022         (graphite_transform_loops): Clean bb->aux at the end.
4023
4024 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4025             Sebastian Pop  <sebastian.pop@amd.com>
4026
4027         * testsuite/lib/target-supports.exp
4028         (check_effective_target_fgraphite): New.
4029
4030         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4031         check_effective_target_fgraphite returns false.
4032         Set dg-do-what-default to compile.
4033         (scan-graphite-dump-times): Removed.
4034         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4035
4036         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4037         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4038         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4039         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4040         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4041         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4042         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4043         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4044         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4045         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4046         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4047         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4048         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4049         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4050         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4051         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4052         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4053         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4054         * testsuite/gcc.dg/graphite/block-0.c: Same.
4055         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4056         * testsuite/gcc.dg/graphite/block-1.c: Same.
4057         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4058         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4059         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4060         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4061         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4062
4063 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4064
4065         * graphite.c: Fix some XXX comments.
4066         (build_scop_dynamic_schedules): Removed.
4067
4068 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4069
4070         * graphite.h (scop_max_loop_depth): Moved...
4071         * graphite.c (scop_max_loop_depth): ...here.
4072         (remove_all_edges_1): New.
4073         (remove_all_edges): Factored code.
4074         (remove_cond_exprs): Check only the last statement for
4075         a GIMPLE_COND expression.
4076
4077 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4078
4079         * graphite.c (scan_tree_for_params): Early return when the
4080         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4081         (find_scop_parameters): Factor out code.
4082         (graphite_trans_bb_strip_mine): Remove dead code.
4083
4084 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4085
4086         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4087         graphite_trans_bb_move_loop): Factor asserts.
4088         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4089         Do not call calculate_dominance_info and estimate_bb_frequencies.
4090
4091 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4092
4093         * graphite.c (create_loops_mapping, free_loops_mapping,
4094         create_loops_mapping_num, debug_loop_mapping_1,
4095         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4096         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4097         graphite_loops_mapping_add_child_num,
4098         graphite_loops_mapping_insert_child,
4099         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4100         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4101         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4102         create_num_from_index, get_num_from_index,
4103         swap_loop_mapped_depth): Removed.
4104         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4105         (free_scop): Do not call free_loops_mapping.
4106         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4107         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4108         get_loop_mapped_depth.
4109         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4110         (graphite_trans_bb_strip_mine): Same.
4111         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4112         (struct scop): Remove field loops_mapping.
4113
4114 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4115             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4116
4117         * graphite.c (scop_record_loop): Factor out one level of the
4118         condition by early return.
4119         (build_scop_loop_nests): Format following FSF coding style.
4120         (build_scop_dynamic_schedules): Factor out code.
4121         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4122
4123 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4124             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4125
4126         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4127         assignments that are not handled as simple operands for now.
4128
4129 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4130             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4131
4132         * graphite.c (build_scop_bbs): Factor up code.
4133
4134 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4135             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4136
4137         * graphite.c (stmt_simple_for_scop_p): Factor code out
4138         of the loop.
4139         (enum gbb_type): New.  Group all the GBB_* types under it.
4140         (is_loop_exit): Moved...
4141         (end_scop): Enable BB spliting.
4142         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4143         * cfgloop.h (is_loop_exit): Declared.
4144
4145 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4146
4147         * doc/invoke.texi: Remove strides from examples containing
4148         DO loops when the strides are equal to 1.
4149
4150 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4151             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4152
4153         * graphite.c (graphite_trans_scop_block): Or the result with
4154         the result from graphite_trans_loop_block.
4155         * testsuite/gcc.dg/graphite/block-1.c: New.
4156         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4157         * testsuite/gfortran.dg/graphite/block-2.f: New.
4158
4159 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4160
4161         * graphite.c (graphite_transform_loops): Call cloog_initialize
4162         and cloog_finalize.
4163
4164 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4165
4166         * tree-data-ref.c) (stmt_simple_memref_p): New.
4167         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4168         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4169         (is_simple_operand): Call stmt_simple_memref_p.
4170
4171         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4172         using pointer arithmetic, as this is optimized by PRE and
4173         makes the code too difficult to analyze.
4174
4175         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4176
4177 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4178
4179         * gdbinit.in (pgg): New.
4180
4181 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4182
4183         * graphite.c (graphite_trans_loop_block): Fix warning.
4184
4185 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4186
4187         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4188
4189 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4190
4191         * graphite.c (graphite_trans_bb_block): Remove check for
4192         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4193         Check if loop blocking is profitable for every loop, before applying
4194         the changes.
4195         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4196         if flag_loop_block is set.
4197
4198 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4199
4200         * graphite.c: Add some more documentation for the loop
4201         mapping.
4202
4203 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4204
4205         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4206         * graphite.c: Format on less than 80 columns.
4207         * graphite.h: Same.
4208
4209 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4212
4213 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4214
4215         * doc/invoke.texi (floop-block, floop-strip-mine,
4216         floop-interchange): Update documentation with examples.
4217
4218 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4219
4220         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4221         add_referenced_var.
4222         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4223
4224 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4225
4226         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4227         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4228         * tree-scalar-evolution.c: Revert useless changes.
4229         * tree-phinodes.c: Same.
4230         * cfghooks.c: Same.
4231         * vec.h: Same.
4232         * tree-vectorizer.h: Same.
4233         * tree-flow.h: Same.
4234         * tree-cfg.c: Same.
4235         * common.opt (fgraphite): Update documentation.
4236
4237 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4238
4239         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4240         -floop-interchange): Add more text for explaining what each of these
4241         flags is doing.
4242         * tree-into-ssa.c (gimple_vec): Moved to...
4243         * graphite.c: Include gimple.h.
4244         (gimple_vec): Moved to...
4245         (del_loop_to_cloog_loop): Removed.
4246         (loop_affine_expr): Do not call create_data_ref when the
4247         operand is a constant.
4248         (new_scop): Use free instead of del_loop_to_cloog_loop.
4249         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4250         * gimple.h (gimple_vec): ... here.
4251
4252 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4253
4254         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4255         latch executions.
4256         (build_loop_iteration_domains): Fail, if latch executions unknown.
4257
4258 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4259
4260         * graphite.c (add_conditions_to_domain): New.
4261         (build_scop_conditions_1): Call add_conditions_to_domain.
4262         (set_cloog_options): Allow to disable optimizations.
4263
4264 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4265
4266         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4267         Do not use walk_dominator_tree.
4268         (find_scop_parameters): Do not use walk_dominator_tree.
4269
4270 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4271
4272         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4273         (idx_record_params): Adapt.
4274         * graphite.h (scop_gimple_loop_depth): New.
4275
4276 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4277
4278         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4279         (scan_tree_for_params): Remove value_init.
4280         (build_scop_context): Remove value_init.
4281         (build_loop_iteration_domains): Remove value_init.
4282         (schedule_to_scattering): Remove value_init.
4283         (graphite_trans_bb_strip_mine): Remove value_init.
4284
4285 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4286
4287         * gcc/graphite.c (limit_scops): New.
4288         (graphite_transform_loops): Add limit SCoPs.
4289         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4290         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4291         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4292         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4293         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4294         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4295         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4296         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4297         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4298         Change loop numbers.
4299         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4300         Change loop numbers.
4301         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4302         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4303         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4304         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4305         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4306         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4307         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4308         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4309         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4310         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4311
4312 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4313
4314         * graphite.c (graphite_transform_loops): Call always find_transform.
4315
4316 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4317
4318         * graphite.c (free_loops_mapping): New.
4319         (stmt_simple_for_scop_p): Fix typo.
4320         (stmt_simple_for_scop_p): Fix tuples functions, that
4321         broke polyhedron.
4322         (free_graphite_bb): Fix some memleaks.
4323         (free_scop): Fix some memleaks.
4324         (scopdet_bb_info): Do not forget some tmp SCoPs.
4325         (find_params_in_bb): Fix some memleaks.
4326         (clast_to_gcc_expression): Fix warning.
4327
4328 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4329
4330         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4331         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4332
4333 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4334
4335         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4336         Move code ifdef-ed HAVE_cloog...
4337         * graphite.c: Include toplev.h.
4338         ... here.
4339         * Makefile.in (OBJS-common): Always build graphite.o.
4340         (BACKEND): Remove @GRAPHITE@.
4341         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4342         (graphite.o): Depend on TOPLEV_H.
4343
4344 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4345
4346         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4347         Remove typo left from polylib to ppl conversion.
4348         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4349
4350 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4351
4352         * toplev.c (process_options): Move the graphite loop optimization
4353         flags...
4354         * tree-ssa-loop.c (graphite_transforms): ... here.
4355         When not configured with CLooG, print to dump_file that
4356         Graphite transforms were not performed.
4357         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4358         New.
4359         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4360         scan-graphite-dump-times.
4361
4362 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4363
4364         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4365         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4366
4367 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4368             Jan Sjodin  <jan.sjodin@amd.com>
4369
4370         * configure: Regenerated.
4371         * omp-low.c (expand_omp_sections): Remove now unused code.
4372         * config.in (HAVE_polylib): Removed.
4373         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4374         (PPLLIBS, PPLINC): Added.
4375         * graphite.c: Replace unsigned with int wherever possible.
4376         Don't access Cloog's data structures, but use accessor functions.
4377         Clast's stmt->type is now implemented as a vtable: change the
4378         switches of stmt->type into ifs.
4379         (polylib/polylibgmp.h): Don't include.
4380         (initialize_dependence_polyhedron,
4381         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4382         statement_precedes_p, test_dependence, build_rdg_all_levels,
4383         dump_dependence_graph): Removed until this code is cleaned up
4384         or ported to Cloog.
4385         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4386         (POLYLIBINC): Renamed PPLINC.
4387
4388 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4389             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4390             Jan Sjodin  <jan.sjodin@amd.com>
4391
4392         Finish the merge and tuplification of graphite.
4393
4394 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4395             Jan Sjodin  <jan.sjodin@amd.com>
4396
4397         Partial merge from mainline (138072:138275).
4398         * graphite.c still has to be tuplified.
4399
4400 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4401
4402         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4403         (create_num_from_index): New.
4404         (get_num_from_index): Also pass in the graphite BB.
4405         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4406         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4407         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4408         (is_interchange_valid): Return false when failing.
4409         * graphite.h (struct num_map): New.
4410         (struct graphite_bb): New field num_map.
4411         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4412
4413 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4414
4415         * graphite.c (dump_gbb_conditions): Print also conditions like
4416         "if (a)".  Remove dublicated code and use print_generic_expr ().
4417         (stmt_simple_for_scop_p): Only allow conditions we can handle
4418         {<, <=, >, >=}.
4419
4420 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4421
4422         * graphite.h (struct scop): Removed new_ivs field.
4423         (SCOP_NEWIVS): Deleted.
4424         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4425         clast_to_gcc_expression, graphite_create_new_loop):
4426         Removed use of new_ivs.
4427
4428 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4429
4430         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4431         create_loops_mapping_num, debug_loop_mapping_1): New.
4432         (debug_loop_mapping): Call debug_loop_mapping_1.
4433         (get_loop_mapping_for_num,
4434         graphite_loops_mapping_add_child,
4435         graphite_loops_mapping_add_child_num,
4436         graphite_loops_mapping_insert_child,
4437         graphite_loops_mapping_parent,
4438         split_loop_mapped_depth_for_num,
4439         loop_mapped_depth_split_loop): New.
4440         (increment_loop_mapped_depths): Removed.
4441         (swap_loop_mapped_depth_for_num): Reimplemented.
4442         (new_scop): Call create_loops_mapping.
4443         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4444         (translate_clast): Pass the old loop father in parameter, and pass
4445         it to get_old_iv_from_ssa_name.
4446         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4447         can_generate_code, can_generate_for_scop): New.
4448         (graphite_trans_bb_block): Returns false when it fails to transform.
4449         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4450
4451 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4452
4453         Reverted all the changes related to the streamization and
4454         loop fusion.
4455         These changes are now tracked in the streamization branch.
4456
4457 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4458             Jan Sjodin  <jan.sjodin@amd.com>
4459
4460         * graphite.c (gbb_compare): Correctly constify.
4461         (gbb_can_be_ignored): Indent.
4462         (graphite_trans_scop_swap_1and2): Add legality check.
4463         Remove dead FIXMEs.
4464
4465 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4466
4467         Remove fallouts from "Reverted the Condate changes".
4468         * tree.h: Remove unused decl.
4469         * testsuite/gcc.dg/tree-checker: Same.
4470         * timevar.def: Remove counter.
4471
4472 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4473
4474         * Merge from mainline (135673:138072).
4475
4476         Reverted the MIRO changes (from 2008-04-05) that are now
4477         tracked in the miro branch.
4478         * tree-bounds.c: Removed.
4479         * tree-bounds.h: Removed.
4480
4481         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4482         are now tracked in the condate branch.
4483         * tree-check.c: Removed.
4484         * tree-match.c: Removed.
4485         * condate.y: Removed.
4486
4487 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4488
4489         * common.opt: New user flag -floop-block, -floop-strip-mine
4490         and -floop-interchange.
4491         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4492         graphite loop optimization flags is turned on.
4493         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4494         flag_loop_strip_mine and flag_loop_interchange checks before
4495         optimizations.
4496         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4497         -floop-strip-mine and -floop-interchange.
4498         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4499         -fgraphite.
4500         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4501         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4502         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4503
4504 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4505             Sebastian Pop  <sebastian.pop@amd.com>
4506
4507         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4508         (create_empty_loop_on_edge): More fixes.
4509         * tree-phinodes.c (resize_phi_node): Extern.
4510         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4511         * cfghooks.c (update_dominator_information): New split from
4512         split_edge.
4513         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4514         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4515         successor of the function entry block.
4516
4517         * graphite.c: Include pointer-set.h.
4518         (debug_loop_mapping, increment_loop_mapped_depths,
4519         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4520         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4521         swap_loop_mapped_depth_for_num, get_num_from_index,
4522         swap_loop_mapped_depth, loop_iv_stack_debug,
4523         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4524         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4525         get_old_iv_from_ssa_name): New.
4526         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4527         (free_scop): Free SCOP_LOOPS_MAPPING.
4528         (scop_record_loop): Record old ivs.
4529         (create_var_name): Removed.
4530         (initialize_cloog_names): Allocate double space in case strip mine
4531         applies to all loops once.
4532         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4533         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4534         translation.
4535         (graphite_create_new_loop): Pass in ivstack.
4536         (remove_all_edges): Pass in the construction_edge.
4537         (graphite_remove_iv): Removed.
4538         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4539         remove_cond_exprs): Rewritten.
4540         (move_phi_nodes): New.
4541         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4542         (translate_clast): Pass in ivstack.  Rewrite some cases.
4543         (set_cloog_options, debug_clast_stmt): New.
4544         (find_transform): Use set_cloog_options.
4545         (outermost_loop_layer): Removed.
4546         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4547         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4548         mark_old_loops, remove_dead_loops): New.
4549         (gloog): Rewritten.
4550         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4551         (const_column_index, get_first_matching_sign_row_index,
4552         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4553         get_upper_bound): New.
4554         (graphite_trans_bb_strip_mine): Also update the iv map.
4555
4556         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4557         (struct name_tree): Add a loop field.
4558         (struct scop): Add a graphite_loops_mapping field.
4559         (SCOP_LOOPS_MAPPING): New.
4560         (debug_clast_stmt): Declare.
4561         * lambda.h (find_induction_var_from_exit_cond): Declare.
4562         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4563         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4564         (create_empty_loop_on_edge): Updated.
4565         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4566         rename_variables_in_bb): Declare.
4567         * tree-cfg.c (remove_bb): Extern.
4568
4569         * testsuite/gcc.dg/graphite/block-0.c: New.
4570
4571 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4572             Sebastian Pop  <sebastian.pop@amd.com>
4573
4574         * graphite.c (strip_mine_profitable_p): New.
4575         (graphite_trans_bb_block): Disable strip mining if not profitable.
4576
4577         * testsuite/gcc.dg/graphite/scop-18.c: New.
4578         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4579         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4580
4581 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4582             Jan Sjodin  <jan.sjodin@amd.com>
4583             Sebastian Pop  <sebastian.pop@amd.com>
4584
4585         * graphite.c (is_interchange_valid): New.
4586         (graphite_trans_bb_block): Check loop nest of basic block for legality
4587         of interchange.
4588
4589         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4590         outer_most_loop, gbb_outer_most_loop_index): New.
4591
4592         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4593         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4594         * testsuite/gcc.dg/graphite/scop-16.c: New.
4595         * testsuite/gcc.dg/graphite/scop-17.c: New.
4596
4597 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4598
4599         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4600         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4601
4602 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4603
4604         * graphite.c (new_scop): Initialize SCOP_EXIT.
4605         (scopdet_info): Add.
4606         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4607         (build_scops_1): Cleanup, bugfixes.
4608         (build_scops): Cleanup.
4609
4610         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4611         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4612
4613 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4614
4615         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4616
4617         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4618         DEFAULT_GRAPHITE_FLAGS.
4619
4620         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4621
4622 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4623
4624         * graphite.c (scan_tree_for_params): Do not assert any more if
4625         MULT_EXPR parameter is negative.
4626
4627         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4628
4629         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4630
4631         * testsuite/gcc.dg/graphite/scop-15.c: New.
4632
4633 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4634
4635         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4636
4637 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4638
4639         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4640         graphite_swap_loops.
4641         (graphite_trans_bb_move_loop): New.
4642         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4643         (graphite_trans_bb_block): New.
4644         (graphite_trans_loop_block): New.
4645         (graphite_trans_scop_swap_1and2): Rename from
4646         graphite_trans_swap_1and2.
4647         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4648         (graphite_trans_scop_block): New.
4649         (graphite_apply_transformations): Rename from
4650         graphite_transformations.
4651
4652         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4653
4654 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4655
4656         * graphite.c (gbb_compare): New.
4657         (graphite_sort_gbbs): New.
4658         (gbb_can_be_ignored): New.
4659         (scop_remove_ignoreable_gbbs): New.
4660         (graphite_transformations): Cleanup and add
4661         scop_remove_ignoreable_gbbs.
4662         * lambda.h (lambda_vector_compare): New.
4663
4664 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4665
4666         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4667         (graphite_swap_loops): int -> unsigned
4668         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4669         (graphite_transformations): New.
4670         (graphite_transform_loops): Move to graphite_transformations.
4671         * graphite.h (gbb_nb_loops): Return unsigned.
4672
4673 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4674
4675         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4676         the domain matrix.  This makes scop-0.c work again.
4677
4678 2008-06-20  Richard Guenther  <rguenther@suse.de>
4679
4680         * graphite.h: Adjust copyright to GPLv3.
4681         * graphite.c: Likewise.
4682         (stmt_simple_memref_for_scop_p): Split out from ...
4683         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4684         and simplify.
4685         (get_bb_type): Optimize.
4686         (is_pred): Remove.
4687         (is_bb_addable): Fix memleak, replace is_pred call with
4688         single_pred.
4689         (build_scops): Use current_loops.
4690         (param_index): Fix memleak.
4691
4692 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4693
4694         * graphite.c: Fix formatting.
4695
4696 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4697
4698         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4699         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4700         (create_var_name, save_var_name): Newly defined functions.
4701         (initialize_cloog_names): Part of the code factored out to
4702         save_var_name.
4703         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4704         in clast_reduction statement.
4705         (graphite_create_new_loop): Now takes a new parameter
4706         for outer_loop.
4707         (translate_clast): Now also takes the context_loop and bb_exit
4708         parameters. Rewritten the code so that it creates a gimple code
4709         inside the given context.
4710         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4711         remove_cond_expr, disconnect_cond_expr,
4712         disconnect_virtual_phi_nodes): Newly defined functions.
4713         * graphite.h (struct scop): added old_ivs vector.
4714         SCOP_OLDIVS: New macro.
4715
4716 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4717
4718         * cfgloopmanip.c: Add missing function comments, fix formatting.
4719
4720 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4721
4722         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4723         (create_empty_loop_on_edge): Defined.
4724         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4725         instead of void.
4726         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4727         (update_dominators_in_loop): Declared as extern
4728         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4729
4730 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4731
4732         * graphite.c (print_graphite_bb): Allow changing number of loops
4733         in SCoP domain.
4734         (initialize_cloog_names): Allow changing number of loops.
4735         (build_cloog_prog): Simplify.
4736         (find_transform): Enable cloog option --strides.
4737         (graphite_swap_loops): New.
4738         (graphite_strip_mine_loop): New.
4739         (graphite_trans_swap_1and2): New.
4740         (graphite_trans_strip): New.
4741         (graphite_transform_loops): Add graphite_trans_strip.
4742         * graphite.h (scop_max_loop_depth): New.
4743
4744 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4745
4746         * graphite.c (build_scop_iteration_domain): Remove forgotten
4747         line. (Fixes compile)
4748
4749 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4750
4751         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4752         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4753         (build_bb_loops): New.
4754         (graphite_transform_loops): Add build_bb_loops.
4755         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4756         numbers.
4757         * graphite.h (graphite_bb): Add loops.
4758         (gbb_nb_loops): New.
4759         (gbb_loop_at_index): New.
4760         (gbb_loop_index): New.
4761         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4762         using nb_params_in_scop.
4763
4764 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4765
4766         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4767         (build_scop_canonical_schedules): Build minimized schedule.
4768         (schedule_to_scattering): Adapt to minimized schedule.
4769         * graphite.h (graphite_bb): Add/Update descriptions.
4770
4771 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4772             Tobias Grosser  <grosser@fim.uni-passau.de>
4773
4774         * graphite.c (print_graphite_bb): Add condition printing.
4775         (dump_value): New.
4776         (dump_gbb_conditions): New.
4777         (build_scop_conditions_1): New.
4778         (build_scop_conditions): New.
4779         * graphite.h (graphite_bb): Add conditions.
4780
4781 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4782
4783         * graphite.c (print_graphite_bb):
4784         (free_graphite_bb): New.
4785         (free_scop): Free bbs.
4786         (get_bb_type): Free doms.
4787         (build_scop_context): Free context matrix.
4788         (build_loop_iteration_domains): Remove unused code.
4789         (build_cloog_prog): Free scattering function and blocklist.
4790         (find_transform): Free options.
4791
4792 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4793
4794         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4795         Remove unnecessery cloog data structures. Make a copy of the domain
4796         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4797         unnecessary cloog data structures. Fix memory leaks. Remove insert
4798         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4799         used.
4800         (build_scop_iteration_domain): Remove unnecessary cloog
4801         data structures.  Fix memory leaks.
4802         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4803         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4804
4805 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4806
4807         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4808
4809 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4810
4811         * graphite.c (end_scop): Style fix.
4812         (schedule_to_scattering): Style and comment fix.
4813
4814 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4815         * graphite.c (print_graphite_bb): Fix definiton of
4816         schedule_to_scattering.
4817         (initialize_cloog_names): Change nb_scattdims to max loop
4818         depth in SCoP.
4819         (schedule_to_scattering): Take parameter for number of scattering
4820         dimensions.
4821         (build_cloog_prog): Only build as much scattering dimensions as
4822         necessary.
4823
4824 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4825
4826         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4827         in polyhedron/aermod.f90.
4828
4829 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4830             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4831             Harsha Jagasia  <harsha.jagasia@amd.com>
4832
4833         * graphite.c (is_bb_addable): Fix segfault.
4834
4835 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4836
4837         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4838         with multiple exits and conditional handling in edge cases.
4839         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4840
4841         * testsuite/gcc.dg/graphite/scop-14.c: New.
4842
4843 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4844             Adrien Eliche  <aeliche@isty.uvsq.fr>
4845
4846         * graphite.c (is_bb_addable): Add more comments and enhance
4847         readablity of the source code. Fix memory leak.
4848         (is_loop_exit): Fix memory leak.
4849
4850 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4851
4852         * graphite.c (first_loop_in_scop): Deleted.
4853         (setup_cloog_loop): Only walk the loop chain for inner loops.
4854         (build_scop_iteration_domain): Execute setup_cloog_loop for
4855         all loops in the first layer.
4856
4857 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4858
4859         * graphite.c (scan_tree_for_params): Change the way params are
4860         added to be indepenent of the number of loops.
4861         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4862         handling.
4863         (build_cloog_prog): Revert to short matrix format.
4864
4865 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4866             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4867
4868         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4869         warning.
4870
4871 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4872
4873         * graphite.c (nb_data_refs_in_scop): New.
4874         (graphite_transform_loops): Print more stats: number of
4875         loops, basic blocks and data references per scop.
4876
4877 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4878             Jan Sjodin  <jan.sjodin@amd.com>
4879
4880         * graphite.c (loop_affine_expr, idx_record_params,
4881         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4882         instead of instantiate_parameters.
4883
4884 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4885
4886         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4887         add support for parameters, add STATIC_SCHEDULE at the right places,
4888         cleanup.
4889
4890 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4891
4892         * graphite.c (build_scop_loop_nests): Only add the loops, that
4893         are contained completely in the SCoP.
4894         (build_cloog_prog): Disable scattering, until schedule_to_scattering
4895         and the domains are fixed.
4896         (build_scop_canonical_schedules): Add support for bbs not contained
4897         in any SCoP.
4898
4899 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4900
4901         * graphite.h (scop_contains_loop): Update comments to match
4902         the actual behavior.
4903         (scop_contains_loop): New.
4904         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
4905
4906 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4907
4908         * graphite.c (get_bb_type): On function body, i.e. loop_0,
4909         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
4910         as GBB_COND_HEADER.
4911
4912 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4913             Tobias Grosser  <grosser@fim.uni-passau.de>
4914
4915         * graphite.c (graphite_transform_loops): Early return when
4916         there are no loops in the function.
4917
4918 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4919             Jan Sjodin  <jan.sjodin@amd.com>
4920
4921         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
4922         offset of the last loop.
4923         (setup_cloog_loop): Copy the entire outer constraint matrix.
4924
4925 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4926             Jan Sjodin  <jan.sjodin@amd.com>
4927
4928         * graphite.c (stmt_in_scop_p, function_parameter_p,
4929         invariant_in_scop_p): Removed.
4930         (scan_tree_for_params): Can be used with no constraint
4931         matrix for gathering parameters.
4932         (idx_record_params): Don't use idx_record_param, instead use
4933         scan_tree_for_params.
4934         (find_scop_parameters): Same.
4935         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
4936         Fix the size of loop domains.
4937         (schedule_to_scattering): Exit when the outer loop is not in scop.
4938         (find_transform): Enable build_cloog_prog.
4939
4940 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4941             Jan Sjodin  <jan.sjodin@amd.com>
4942
4943         * graphite.c (schedule_to_scattering): Make scattering domains
4944         uniformly of the same size, as required by CLooG 0.14.0 and before.
4945
4946 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4947             Jan Sjodin  <jan.sjodin@amd.com>
4948
4949         * graphite.c (schedule_to_scattering): Rewrite, correct the
4950         translation of the scheduling function to scattering.
4951         (build_cloog_prog): Call schedule_to_scattering only once.
4952         * graphite.h (scop_loop_index): Do not fail for loops not
4953         in the scop: return -1.
4954
4955 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
4956
4957         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
4958         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
4959         (setup_cloog_loop): Export GBB_DOMAIN.
4960         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
4961         able to rebuild the original control flow.
4962         * graphite.h (graphite_bb): Add domain field and access macro.
4963         (GBB_DOMAIN): New.
4964
4965 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4966
4967         * graphite.c (debug_gbb): New.
4968         (print_scop, build_graphite_bb): Use SCOP_BBS.
4969         (build_scop_bbs): Reimplemented.
4970         (dfs_bb_in_scop_p): Removed.
4971         (build_scop_loop_nests): Reorder loops inserted in
4972         SCOP_LOOP_NEST: outer loops should come first.
4973         (build_scop_canonical_schedules): Reinitialize at zero
4974         the components of the SCOP_STATIC_SCHEDULE for the loops
4975         that have already been parsed.
4976
4977         * graphite.h (debug_gbb): Declared.
4978
4979 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4980             Jan Sjodin  <jan.sjodin@amd.com>
4981
4982         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
4983         (graphite_loop_to_gcc_loop): Removed.
4984         (remove_all_edges): New.
4985         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
4986         (gloog): Remove useless code.
4987
4988 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4989
4990         * graphite.c (get_bb_type): Reworked. We distinguish between
4991         loops with one or multiple exits.
4992         (is_loop_exit): New.
4993         (is_pred): New.
4994         (is_bb_addable): Rework condition handling, now support for case
4995         case statements and loops with multiple exits.
4996
4997         * testsuite/gcc.dg/graphite/scop-11.c: New.
4998         * testsuite/gcc.dg/graphite/scop-12.c: New.
4999         * testsuite/gcc.dg/graphite/scop-13.c: New.
5000
5001 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5002
5003         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5004         we have too many colors.
5005
5006 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5007
5008         * doc/invoke.texi (-ftree-loop-fusion): Document.
5009         * tree-pass.h (pass_loop_fusion): Declared.
5010         * tree-loop-fusion.c: New.
5011         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5012         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5013         * tree-data-ref.h (find_data_references_in_loop): Declared.
5014         * common.opt (ftree-loop-fusion): Declared.
5015         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5016
5017 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5018
5019         * graphite.c (build_access_matrix): Fix typo from the merge.
5020
5021 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5022
5023         * Merge from mainline (130800:135673).
5024
5025 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5026
5027         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5028         Update dominators after splitting.
5029
5030 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5031
5032         * graphite.c (is_bb_addable): Return the harmful statement.
5033         Factor up some code.
5034         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5035         (build_scops_1): Call end_scop.
5036
5037 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5038
5039         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5040         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5041         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5042         build_scops_1): Removed.
5043         (build_scops_2): Renamed build_scops_1.
5044
5045 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5046
5047         * graphite.c: Fix formatting.
5048
5049 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5050
5051         * graphite.c (get_bb_type): New.
5052         (move_scops): New.
5053         (build_scops_2): New.
5054         (is_bb_addable): New.
5055         (build_scops): Switch the scop detection.
5056         (build_scop_bbs): Add entry bb to scop.
5057         * graphite.h (struct scop): Update comment.
5058
5059 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5060
5061         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5062         more colors.
5063
5064 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5065
5066         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5067         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5068         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5069         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5070         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5071
5072 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5073
5074         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5075         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5076         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5077         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5078         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5079
5080 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5081
5082         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5083         Check affine expressions depending on the outermost loop
5084         instead of a scop.
5085         (stmt_simple_for_scop_p): Same.
5086         (harmfule_stmt_in_scop): Same.
5087
5088 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5089
5090         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5091         mark entry and exit, that are not part of the SCoP and update HTML
5092         formatting.
5093
5094 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5095
5096         * graphite.c (basic_block_simple_for_scop_p): Renamed
5097         harmful_stmt_in_bb.
5098         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5099         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5100         (all_preds_visited_p, all_succs_visited_p,
5101         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5102         scop_end_loop): New.
5103         (build_scops): Do not use dfs_enumerate_from.
5104
5105         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5106
5107 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5108
5109         * graphite.c: Add comments to functions that are missing a
5110         description.
5111         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5112
5113 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5114
5115         * graphite.c (nb_params_in_scop): Moved...
5116         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5117         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5118         (clast_to_gcc_expression): Reduce column size to less than 80.
5119         (graphite_create_iv): Return the new name of the IV.
5120         (find_transform): Set options->esp and options->cpp.
5121         (gloog): Comment out the invalidation of the old loop code.
5122         (initialize_dependence_polyhedron): Replace scop_nb_params with
5123         nb_params_in_scop.
5124
5125         * graphite.h (nb_params_in_scop): ... here.
5126         (scop_nb_params): Removed.
5127         (loop_domain_dim): Return something even when the loop was not
5128         found in the hash table: avoid ICEing on all the graphite.exp
5129         testcases.
5130
5131 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5132
5133         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5134
5135         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5136         according to nesting level.
5137         (find_scop_parameters): Call instantiate_parameters.
5138         (scan_tree_for_params): Extend it to handle general affine bounds.
5139         Inner loop bound can depend on outer loop induction variable.
5140         (setup_cloog_loop): tmp variable is allocated on stack. Call
5141         instantiate_parameters with respect to outermost_loop_in_scop.
5142         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5143         graphite.h.
5144         (create_empty_loop): Function loopify should be given edge
5145         probability, instead of edge frequency. Dominance relation from
5146         switch_bb to loop_header.
5147         (clast_to_gcc_expression): Added handling of clast_reduction node.
5148         (gloog): New functionality for removing old loop.
5149         (test_dependence): Factored out from build_rdg_all_levels.
5150         (build_rdg_all_levels): Dependence testing factored out to
5151         test_dependence function.
5152
5153         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5154         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5155         from graphite.c
5156
5157 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5158
5159         * graphite.c (free_scop, param_index, initialize_cloog_names,
5160         nb_params_in_scop): Use name_tree map instead of just a tree
5161         for keeping track of the variable name associated to that tree.
5162         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5163         clast_to_gcc_expression, graphite_create_iv,
5164         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5165         graphite_stmt_to_gcc_stmt): New.
5166         (gloog): Call these.
5167         * graphite.h (struct name_tree): New.
5168         (struct scop): Use name_tree instead of tree for params.
5169         Store a vector of name_tree for new_ivs.
5170         (SCOP_NEWIVS): New.
5171         (scop_nb_params): Use name_tree instead of tree.
5172
5173 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5174             Sebastian Pop  <sebastian.pop@amd.com>
5175
5176         * tree-bounds.c: New.
5177         * tree-bounds.h: New.
5178         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5179         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5180         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5181         flag_mudflap.
5182         * gcc.c: Same.
5183         * toplev.c: Same.
5184         * c-cppbuiltin.c: Same.
5185         * c-pragma.c: Same.
5186         * common.opt: Same.
5187         * varasm.c: Same.
5188         * tree-outof-ssa.c: Same.
5189         * c-common.c: Same.
5190         * Makefile.in: Same.
5191
5192 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5193             Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * tree-loop-distribution.c (remaining_stmts,
5196         upstream_mem_writes): Removed static variables.
5197         (copy_loop_before, create_bb_after_loop,
5198         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5199         rdg_build_components, rdg_build_partitions,
5200         dump_rdg_partitions): Extern.
5201         (generate_loops_for_partition, generate_code_for_partition): Do not
5202         return a bool.
5203         (already_processed_vertex_p, predecessor_has_mem_write,
5204         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5205         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5206         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5207         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5208         Pass remaining_stmts and upstream_mem_writes as parameters.
5209         (rdg_component): Moved...
5210         (build_rdg_partition_for_component): Do not aggregate components when
5211         flag_streamize_loops is set.
5212         (gen_sequential_loops): New.
5213         (ldist_gen): Call gen_sequential_loops.
5214
5215         * tree-pass.h (pass_loop_streamization): Declared.
5216
5217         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5218         basic blocks when loops structures exist.
5219
5220         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5221
5222         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5223
5224         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5225         eliminate_local_variables_stmt, eliminate_local_variables,
5226         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5227         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5228         of code delimited by two edges in the CFG.
5229         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5230         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5231         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5232         the case of parallelisation of reductions.
5233         (create_loop_fn): Extern.
5234         (create_omp_parallel_region): New.
5235
5236         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5237         dump_data_reference for printing dra and drb.
5238         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5239         RDGE_RELATION.
5240         (build_rdg): Don't call free_dependence_relations for the moment, as
5241         we attach dependence relations on each edge of the RDG.
5242         To be fixed later.
5243
5244         * tree-data-ref.h (rdg_component): ...here.
5245         (struct rdg_edge): New field ddr_p relation.
5246         (RDGE_RELATION): New.
5247         (create_bb_after_loop, copy_loop_before,
5248         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5249         rdg_build_partitions, dump_rdg_partitions,
5250         free_rdg_components): Declared.
5251
5252         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5253         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5254
5255         * tree-loop-streamization.c: New.
5256
5257         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5258         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5259
5260         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5261
5262         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5263
5264         * passes.c: Schedule pass_loop_streamization.
5265
5266 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5267
5268         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5269         update comment.
5270
5271 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5272
5273         * graphite.c (dot_all_scops): Update formatting.
5274         Bbs can now be part of more than one SCoP.
5275
5276 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5277
5278         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5279         malloc problems.
5280         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5281         * graphite.h (loop_to_cloog_loop): New.
5282
5283 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5284
5285         * graphite.c (loop_domain_dim, ref_nb_loops,
5286         loop_iteration_vector_dim): New.
5287         (build_access_matrix_with_af, build_access_matrix,
5288         initialize_dependence_polyhedron): Fixed for new matrix layout.
5289         No longer assume that all iteration domains are of the same
5290         dimensionality.
5291
5292 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5293
5294         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5295         defined in a loop at depth 0 is invariant.
5296         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5297         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5298         be called at loop depth 0.
5299
5300         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5301         a parameter.
5302         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5303         (down_open_scop): Removed.
5304         (loop_in_scop_p): Redefined.
5305         (scop_affine_expr): New argument: scop.
5306         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5307         a harmful statement ending a scop.
5308         (basic_block_simple_for_scop_p): New argument: scop.
5309         (get_loop_start): Removed.
5310         (new_scop): Initialize SCOP_LOOPS.
5311         (free_scop): Free SCOP_LOOPS.
5312         (succs_at_same_depth, preds_at_same_depth): New.
5313         (end_scop): Test the validity of a scop.
5314         (add_dominators_to_open_scops): New.
5315         (test_for_scop_bound): Call add_dominators_to_open_scops.
5316         Add cases for opening and closing multiple scops.
5317         (build_scops, build_scop_bbs): Iterate over basic blocks in
5318         depth first order.
5319         (build_graphite_bb): Pass scop directly.
5320         (dfs_bb_in_scop_p): New.
5321         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5322         several times.
5323         (nb_loops_around_gb): Use loop_in_scop_p.
5324         (schedule_to_scattering): Disabled for the moment the code computing
5325         the "textual order for outer loop".
5326
5327         * graphite.h (struct scop): New field loops.
5328         (SCOP_LOOPS): New.
5329         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5330
5331         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5332
5333 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5334             Sebastian Pop  <sebastian.pop@amd.com>
5335
5336         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5337         * common.opt (fstreamize-loops): New.
5338         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5339         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5340         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5341         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5342
5343 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5344
5345         * tree-data-ref.c (build_empty_rdg): New.
5346         (build_rdg): Use it.
5347         * tree-data-ref.h (build_empty_rdg): Declared.
5348         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5349         (find_vertex_for_stmt): Removed.
5350         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5351
5352 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5353
5354         * tree-loop-distribution.c (generate_builtin): After cancelling the
5355         loop tree, also delete basic blocks.
5356         (rdg_flag_uses): Stop recursion when a vertex has already been
5357         processed.
5358
5359 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5360
5361         * graphite.c (build_scop_alpha): Removed.
5362         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5363         and dump_dependence_graph to avoid compiler warnings.
5364
5365 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5366
5367         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5368         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5369         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5370         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5371         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5372         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5373         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5374         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5375         dump_dependence_graph): New.
5376         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5377         (GBB_ALPHA): New.
5378         (struct scop): New field loop2cloog_loop.
5379         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5380         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5381
5382 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5383
5384         * graphite.c (build_graphite_bb): Fix initialization
5385         of the graphite basic block.
5386
5387 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5388
5389         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5390         loop domain matrix.  Pass in the number of loops contained in the
5391         constraint matrix.
5392         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5393         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5394         loops that are not surrounding the current loop are not represented
5395         in the domain constraint matrix.
5396         (build_scop_iteration_domain): Initial domain constraint matrix
5397         contains only the eq/ineq, cst, and scop parameters columns.
5398
5399 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5400
5401         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5402         (print_graphite_bb): Print scattering.
5403
5404 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5405
5406         * graphite.c (initialize_cloog_names): Initialize names of
5407         scattering variables.
5408
5409 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5410
5411         * graphite.c (dot_all_scops_1): Disable debug output while
5412         printing graph.
5413
5414 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5415
5416         * graphite.c (find_transform): Change cloog output language to C.
5417
5418 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5419
5420         * tree-loop-distribution.c (generate_memset_zero,
5421         generate_builtin, generate_code_for_partition,
5422         rdg_flag_all_uses): New.
5423         (rdg_flag_uses): Gather in the same partition the statements defining
5424         the VUSES of the current statement.
5425         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5426         Gather in the same partition not only the stores to the same memory
5427         access, but also the reads.
5428         (ldist_generate_loops): Renamed ldist_gen.
5429
5430 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5431             Tobias Grosser  <grosser@fmi.uni-passau.de>
5432
5433         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5434         next pointer, don't use the inner pointer.
5435
5436 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5437
5438         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5439         (find_transform): Call dot_all_1.
5440         * graphite.h (dot_all_scops): Declared.
5441
5442 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5443
5444         * tree-loop-distribution.c: Fix apsi.f ICE.
5445         (create_bb_after_loop): New.
5446         (generate_loops_for_partition): Use it.
5447         * testsuite/gfortran.dg/ldist-1.f90: New.
5448
5449         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5450         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5451
5452 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5453
5454         * graphite.c (find_transform): Dump cloog program sent to cloog.
5455
5456 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5457
5458         * graphite.c (initialize_cloog_names): Initialize cloog
5459         iterator names.
5460
5461 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5462
5463         * graphite.c (build_scop_context): Fix typo, for the matrix
5464         format: insert '0 >= 0' instead of '-1 >= 0'.
5465
5466 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5467
5468         * Fix merge problems.
5469
5470 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5471
5472         * graphite.c (setup_cloog_loop): Fix typo.
5473
5474 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5475
5476         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5477         * tree-loop-distribution.c: Reimplemented.
5478         * tree-pass.h (pass_loop_distribution): New.
5479         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5480         print_loops.
5481         * graphds.h (struct graph): New field indexes.
5482         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5483
5484         * tree-vect-analyze.c: Remove declaration of static functions when not
5485         needed.
5486         * tree-vectorizer.c: Same.
5487         (rename_variables_in_loop): Now extern.
5488         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5489         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5490         calling redirect_edge_and_branch_force.
5491
5492         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5493
5494         * tree-data-ref.c: Don't include tree-chrec.h.
5495         (debug_data_dependence_relations): New.
5496         (dump_data_dependence_relation): Call dump_data_reference on data refs
5497         in the relation.
5498         (same_access_functions): Moved...
5499         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5500         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5501         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5502         struct rdg_vertex_info, ): New.
5503         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5504         at DDR_REVERSED_P.
5505         (create_rdg_vertices): Initialize the htab of graph->indexes.
5506         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5507         (stmts_from_loop): Don't save LABEL_EXPR.
5508         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5509         hash_stmt_vertex_del): New.
5510         (build_rdg): Initialize rdg->indexes.
5511         (free_rdg, stores_from_loop, ref_base_address,
5512         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5513         have_similar_memory_accesses_1, ref_base_address_1,
5514         remove_similar_memory_refs): New.
5515
5516         * tree-data-ref.h: Include tree-chrec.h.
5517         (debug_data_dependence_relations): Declared.
5518         (same_access_functions): ...here.  Now static inline.
5519         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5520         ddr_dependence_level): New.
5521         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5522         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5523         RDG_MEM_READS_STMT): New.
5524         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5525         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5526         rdg_vertex_for_stmt): Declared.
5527         (struct rdg_edge): New field level.
5528         (RDGE_LEVEL, free_rdg): New.
5529         (stores_from_loop, remove_similar_memory_refs,
5530         rdg_defs_used_in_other_loops_p,
5531         have_similar_memory_accesses): Declared.
5532         (rdg_has_similar_memory_accesses): New.
5533
5534         * lambda.h (dependence_level): New.
5535         * common.opt (ftree-loop-distribution): New.
5536         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5537         (print_loop_ir): Renamed print_loops.
5538         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5539         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5540         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5541         (tree-loop-distribution.o): Added.
5542         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5543         (mark_virtual_ops_in_bb): New.
5544         (print_loops_bb, debug_loop_num, debug_loop): New.
5545         * passes.c: Scheduled pass_loop_distribution.
5546
5547 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5548
5549         * graphite.c (scan_tree_for_params): Correct the number of columns
5550         for polylib format.
5551         (nb_flat_iterator): New.
5552         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5553         (build_scop_iteration_domain): Correct the number of columns for
5554         polylib format.
5555
5556 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5557
5558         * Merge from mainline (129697:130800).
5559
5560 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5561
5562         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5563         dominated by SCoP's exit.
5564         (graphite_transform_loops): Compute post dominators.
5565
5566 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5567
5568         * Merge from mainline (127169:129697).
5569
5570 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5571
5572         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5573         parameter for the basic block that contains the expression.  Use
5574         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5575         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5576         the expression.
5577         * graphite.h (gbb_loop): New.
5578         (GBB_LOOP): Removed.
5579
5580 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5581
5582         * Makefile.in: Fix merge problem.
5583
5584 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5585
5586         * Merge from mainline (125309:127169).
5587         * tree-loop-distribution.c: Disabled.
5588
5589 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5590
5591         * Merge from mainline (r123693:125309).
5592
5593 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5594
5595         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5596         correct_modify_p
5597         (correct_modify_p, check_statements, number_of_lvalue_uses,
5598         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5599         instead of MODIFY_EXPR.
5600         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5601         and push new edges.
5602
5603 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5604
5605         * tree-loop-distribution.c (struct rdg): Replace arrays by
5606         VECs for edges and vertices.
5607         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5608         (RDGV_NB_PARTITIONS): New.
5609         (PRDG_NBV, PRDG_NBE): Removed.
5610         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5611         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5612         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5613
5614 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5615             Sebastian Pop  <sebpop@gmail.com>
5616
5617         * doc/invoke.texi (-ftree-loop-distribution): Document.
5618         * tree-loop-distribution.c: New file.
5619         * tree-pass.h (pass_loop_distribution): Declared.
5620         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5621         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5622         and set reversed_p.
5623         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5624         (DDR_REVERSED_P): New.
5625         * common.opt (-ftree-loop-distribution): New.
5626         * tree-flow.h (distribute_loops): Declared.
5627         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5628         * passes.c (init_optimization_passes): Schedule loop distribution.
5629
5630 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5631
5632         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5633         (print_scop): Don't print when scop is NULL.
5634         (build_scop_context, find_transform): Don't output to stderr.
5635
5636 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5637
5638         * tree-data-ref.c: Don't include graphite.h.
5639         Comment out the code for printing data reference's scop.
5640         (build_access_matrix_with_af): Moved...
5641         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5642         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5643         (print_graphite_bb): Print basic block's schedule.
5644         (print_scop): Don't print the schedule, call cloog's pretty printer.
5645         (bb_in_scop_p): A basic block is in a scop only if it is both
5646         dominated and postdominated by the scop's entry and exit basic blocks.
5647         (function_parameter_p): New.
5648         (invariant_in_scop_p): Use function_parameter_p.
5649         (new_scop, save_scop): New.
5650         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5651         save_scop.
5652         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5653         (loop_in_scop_p): New.
5654         (scop_record_loop): Use loop_in_scop_p.
5655         (build_scop_domain): Renamed build_scop_iteration_domain.
5656         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5657         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5658         setup_cloog_loop, dot_scop_1, dot_scop): New.
5659         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5660         (struct scop): Add a pointer to cloog's representation of a program.
5661
5662 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5663
5664         * doc/invoke.texi (-ftree-check-verbose): Renamed
5665         -ftree-checks-verbose.
5666         * common.opt (flag_tree_check_verbose): Renamed
5667         flag_tree_checks_verbose.
5668         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5669
5670 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5671
5672         * configure: Regenerated.
5673         * config.in: Regenerated.
5674         * tree-ssa-loop.c (graphite_transforms): Execute
5675         graphite_transform_loops only when HAVE_cloog.
5676         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5677         * graphite.c: Include polylibgmp.h and cloog.h.
5678         (graphite_transform_loops): Removed loops parameter.
5679         * tree-flow.h (graphite_transform_loops): Update declaration.
5680         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5681         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5682         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5683         (OBJS-common): Remove dependence on graphite.o.
5684         (BACKEND): Depend on @GRAPHITE@.
5685
5686 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5687
5688         * doc/invoke.texi (-ftree-check-verbose): Documented.
5689         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5690         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5691         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5692         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5693         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5694         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5695         * common.opt (ftree-checks-verbose): New.
5696         * tree-check.c (tree_check_warning): Move extra stderr output
5697         under control of flag_tree_check_verbose.
5698
5699 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5700
5701         * tree-match.c: Fix comments formatting.
5702         * tree-match.h: Fix comments formatting.
5703         * tree-check.c: Fix comments formatting.
5704         (tree_check_init): Restructure.
5705
5706 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5707
5708         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5709
5710 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5711
5712         * Merge from mainline (r120733:123693).
5713
5714 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5715
5716         * condate.y: New file.
5717         * tree-match.h (struct patt_info_s): New field sign.
5718         (struct condate_s): New field msg.
5719         (normalize_condate, name_condate, add_condate): New.
5720         (conds[], condate_parse): Made extern.
5721         * tree-check.c (tree_check_warning): First arg changed to cond;
5722         warning reformatted.
5723         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5724         (tree_scan): New.
5725         (tree_check): Process trivial condates.
5726         (read_delimited_string): Removed.
5727         (print_cond): Print name and msg.
5728         (conds[]): Made extern.
5729         (parse_tree_check_file_once): Rewritten to use the parser in
5730         condate.y.
5731         Processing of option --tree_check_string moved to tree_scan().
5732         * Makefile.in: Added condate.y
5733
5734 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5735
5736         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5737         Use VECs instead of varrays.
5738         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5739         * Makefile.in (pretty-print.o): Depend on vec.h.
5740         * pretty-print.c: Include tree.h and vec.h.
5741         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5742         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5743         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5744         pp_free_list): Use VECs instead of varrays.
5745         * pretty-print.h: Do not include varray.h.
5746         (struct tree_chunk_s): Declaration moved before its use.
5747         (output_buffer): Rename varray field to chunks.
5748         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5749         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5750         save_global_holes): Use VECs instead of varrays.
5751         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5752         * tree-check.c (scan_cfg_stmts, push_node,
5753         print_matching_stmt): Removed.
5754         (tree_check_instance, push_global_holes_if_new, tree_check,
5755         execute_tree_check): Use VECs instead of varrays.
5756         (gate_tree_check): Don't execute the CFG check when basic_block_info
5757         is not available.
5758
5759 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5760
5761         * Merge from mainline (r115016:120733).
5762
5763 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5764
5765         * Merge from mainline (r117632:117661).
5766
5767 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5768
5769         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5770         * tree-pass.h (TDF_DEBUG, debug_p): New.
5771         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5772         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5773         get_loop_exit_condition, analyze_evolution_in_loop,
5774         analyze_initial_condition, analyze_scalar_evolution,
5775         instantiate_parameters, number_of_latch_executions): Use debug_p.
5776         * tree-chrec.c (chrec_apply): Use debug_p.
5777         * tree-data-ref.c: Include graphite.h.
5778         (dump_data_reference): Print also the access matrix.
5779         (analyze_array, analyze_indirect_ref, init_data_ref,
5780         analyze_offset_expr, address_analysis, object_analysis,
5781         create_data_ref, finalize_ddr_dependent,
5782         non_affine_dependence_relation, analyze_ziv_subscript,
5783         analyze_siv_subscript_cst_affine,
5784         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5785         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5786         analyze_miv_subscript, analyze_overlapping_iterations,
5787         build_classic_dist_vector, subscript_dependence_tester,
5788         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5789         (build_access_matrix_with_af): No longer static.
5790         * tree-data-ref.h (scop_p): ... declaration here.
5791         (data_reference.scop): New field.
5792         (DR_SCOP, DR_ACCESS_MATRIX): New.
5793         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5794         * graphite.c (print_graphite_bb): Call dump_data_references.
5795         (print_scop): Use scop_nb_loops and scop_dim_domain.
5796         (test_for_scop_bound): Use debug_p.
5797         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5798         scop_nb_params.
5799         (scop_loop_index): Moved...
5800         (scop_record_loop): New.
5801         (build_scop_loop_nests): Use scop_record_loop.
5802         (build_scop_domain): Use scop_dim_domain.
5803         (build_access_matrix): Implemented.
5804         (build_scop_canonical_schedules): Use scop_nb_loops.
5805         (build_graphite_bb): Initialize GBB_SCOP.
5806         * graphite.h (scop_p): Moved...
5807         (graphite_bb.scop): New field.
5808         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5809         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5810         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5811         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5812         scop_loop_index): New.
5813         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5814
5815 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5816
5817         * Merge from mainline (r117661:120450).
5818
5819 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5820
5821         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5822         at the first declaration outside the varying loop, instantiate as
5823         far as possible.
5824         * tree-chrec.c (for_each_scev_op): New.
5825         * tree-chrec.h (for_each_scev_op): Declared.
5826         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5827         * tree-data-ref.c (get_references_in_stmt,
5828         find_data_references_in_stmt): New, from trunk.
5829         (find_data_references_in_loop): Use get_references_in_stmt
5830         and find_data_references_in_loop, modified as in trunk.
5831         (build_access_matrix_with_af): New.
5832         * tree-data-ref.h (data_reference): Add a field access_matrix.
5833         (data_ref_loc): New, as in trunk.
5834         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5835         invariant_in_scop_p, param_index, scan_tree_for_params,
5836         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5837         idx_record_param, idx_record_params, build_access_matrix,
5838         build_scop_data_accesses, build_scop_canonical_schedules,
5839         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5840         build_scop_params): New.
5841         * graphite.h (graphite_bb): New.
5842         (scop): Add fields static_schedule, params, loop_nest,
5843         iteration_domain.
5844         * lambda.h: Declare vecs of lambda_matrix.
5845         * tree-flow.h (print_loop_ir_bb): Declared.
5846         * tree-cfg.c (print_loop_ir_bb): New.
5847         (print_loop): Use print_loop_ir_bb.
5848
5849 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5850
5851         * Merge from mainline (r115016:117632).
5852
5853 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5854
5855         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5856         break due to a warning.
5857
5858 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5859
5860         * graphite.c (print_scops, debug_scops): New.
5861         (graphite_transform): Renamed graphite_find_transform.
5862         * graphite.h (debug_scops): Declared.
5863
5864 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5865
5866         * tree-match.c: Reformat following the GNU style.
5867         * tree-match.h: Reformat following the GNU style.
5868         * tree-pattern.h: Removed empty file.
5869         * Makefile.in: Remove references to tree-pattern.h.
5870         * tree-check.c: Reformat following the GNU style.
5871         (execute_tree_check): Move gate condition code to...
5872         (gate_tree_check): ...here.  New function.
5873         (pass_check): Use the gate function.
5874
5875 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5876
5877         * tree-pattern.h: New. Tree pattern matching and checking using
5878         concrete syntax.
5879         * tree-check.c: New. Tree/CFG checking pass.
5880         * tree-match.c: New. Library for tree pattern matching.
5881         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5882         * toplev.c, flags.h: Add globals for tree-check pass.
5883         * Makefile.in: Integrate the files in tree-check pass.
5884         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5885         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5886         Introduce a "lazy" pretty-print mode.
5887         * tree.c, tree.h: Add tree_name.
5888
5889 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5890
5891         * doc/invoke.texi (-fgraphite): Correct typo.
5892         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
5893         use of print_loop_ir.
5894         * testsuite/gcc.dg/graphite/scop-1.c: New.
5895         * testsuite/gcc.dg/graphite/scop-2.c: New.
5896         * testsuite/gcc.dg/graphite/graphite.exp: New.
5897         * graphite.c: Include domwalk.h.
5898         (print_scop): Print only the entry and exit blocks.
5899         (debug_scop): No longer static.
5900         (affine_expr): Fix formating.  Return also true when the expression is
5901         constant.
5902         (stmt_simple_for_scop_p): Fix formating.
5903         (build_scops): Use domwalk.
5904         (get_loop_start, end_scop, test_for_scop_bound): New.
5905         (graphite_transform_loops): Avoid printing on stderr.
5906         * graphite.h (debug_scop): Declared.
5907         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
5908         * Makefile.in (graphite.o): Depend on domwalk.h.
5909         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
5910         declarations for static functions.
5911         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
5912         controlling output verbosity.
5913
5914 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
5915             Plesco Alexandru  <shurikx@gmail.com>
5916
5917         * doc/invoke.texi (-fgraphite): Document.
5918         * tree-pass.h (pass_graphite_transforms): Declared.
5919         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
5920         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
5921         (pass_graphite_transforms): Defined.
5922         * tree-data-ref.c (free_data_ref, data_reference): Extern.
5923         * tree-data-ref.h (free_data_ref, data_reference): Declared.
5924         * graphite.c, graphite.h: New.
5925         * common.opt (fgraphite): Declared.
5926         * tree-flow.h (graphite_transform_loops): Declared.
5927         * Makefile.in (OBJS-common): Add graphite.o.
5928         (graphite.o): New rule.
5929         * passes.c (pass_graphite_transforms): Scheduled.
5930