gcc/ChangeLog.graphite

   1 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
   4         PBB_PDR_DUPLICATES_REMOVED.
   5         (new_poly_bb): Same.
   6
   7 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
  10         SCOP_CONTEXT.
  11         (build_loop_iteration_domains): Extract bounds on parameters
  12         based on the data size.
  13         (build_scop_context): Do not initialize SCOP_CONTEXT;
  14         add new constraints.
  15
  16 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
  19         * graphite-ppl.h (graphite-ppl.h): Declared.
  20
  21 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * graphite-ppl.c (ppl_print_linear_expr): New.
  24         (debug_ppl_linear_expr): New.
  25         * graphite-ppl.h (ppl_print_linear_expr): Declared.
  26         (debug_ppl_linear_expr): Declared.
  27
  28 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * graphite-interchange.c: Fix comments.
  31         * gcc.dg/graphite/block-1.c: Fix comments.
  32
  33 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  34
  35         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
  36         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
  37
  38 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  39
  40         Reapply the patch from Alexander Monakov that disappeared during
  41         the last merges from trunk.
  42
  43         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
  44
  45         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
  46         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
  47
  48 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         * graphite-interchange.c (memory_stride_in_loop): The depth
  51         argument corresponds to a dynamic time dimension, so use
  52         psct_dynamic_dim to refer to the transformed scattering dimension.
  53
  54 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
  57
  58 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  59
  60         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
  61         root of the LST.
  62         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
  63         the root of the LST.
  64         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
  65         fake loop.
  66         (print_lst): Print the root of LST in a different format.
  67         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
  68
  69 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
  72
  73 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * doc/passes.texi: Document the Graphite infrastructure.
  76
  77 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
  80         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
  81         and check the SSA representation.
  82
  83         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
  84
  85 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
  88
  89 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * gcc.dg/graphite/interchange-11.c: New.
  92
  93 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  94
  95         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
  96
  97 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  98
  99         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 100         Add -fno-loop-strip-mine and -fno-loop-interchange.
 101         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 102         -fno-loop-strip-mine.
 103         * gfortran.dg/graphite/graphite.exp: Same.
 104
 105 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 108         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 109         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 110         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 111         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 112         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 113         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 114         DEFAULT_FLAGS_GRAPHITE_SCOP.
 115         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 116         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 117
 118 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 119
 120         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 121
 122 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 123             Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         * graphite-interchange.c (build_linearized_memory_access): Pass an
 126         offset as parameter.
 127         (memory_stride_in_loop): Include transform scattering in the
 128         access functions to be able to querry the strides in the
 129         transformed loops.
 130         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 131         not the psct_iterator_dim.
 132
 133 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 134
 135         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 136         (lst_do_strip_mine_loop): New.
 137         (lst_do_strip_mine): New.
 138         (scop_do_strip_mine): Call lst_do_strip_mine.
 139         * graphite-poly.h (lst_add_loop_under_loop): New.
 140         (lst_find_first_pbb): New.
 141
 142 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 143
 144         * graphite-poly.c (loop_to_lst): Fix LST creation.
 145
 146 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 147
 148         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 149         sizeof(unsigned long) to make it run on 32bit systems.
 150
 151 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 152
 153         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 154         SEGFAULT on 32bit.
 155
 156 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 157
 158         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 159         Comment.
 160         (write_alias_graph_to_ascii_dot): New.
 161         (write_alias_graph_to_ascii_ecc): Ditto.
 162         (partition_drs_to_sets): Add testing of optimality of current method
 163         which assigns alias numbers according to DFS Comopnent number.  used
 164         as heuristic for the upcoming ECC algorithm.
 165         (build_scop_drs): Write to file also with the ecc and dot format.
 166
 167 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         * gfortran.dg/graphite/interchange-1.f: XFail.
 170
 171 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 172
 173         * graphite.c (graphite_initialize): Do not handle functions with
 174         more than 100 basic blocks.
 175
 176 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 177
 178         * graphite-blocking.c (pbb_do_strip_mine): Use
 179         PARAM_LOOP_BLOCK_TILE_SIZE.
 180
 181 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         * graphite-poly.c (dot_lst_1): New.
 184         (dot_lst): New.
 185         * graphite-poly.h (dot_lst): Declared.
 186
 187 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-dependences.c (dot_deps_stmt_1): New.
 190         (dot_deps_stmt): New.
 191         * graphite-dependences.h (dot_deps_stmt): Declared.
 192
 193 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 196         not replace cross BB scalar dependences ending on PHI nodes.
 197         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 198
 199 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 200
 201         * graphite-poly.c (apply_poly_transforms): Implement the high
 202         level driver for flag_loop_block.
 203         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 204         flag_loop_block.
 205
 206         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 207         -floop-block.
 208         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 209         Add -floop-block.
 210
 211 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * graphite-poly.h (lst_find_pbb): New.
 214         (find_lst_loop): New.
 215
 216 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 219         * graphite-poly.h (struct scop): Remove dep_graph field.
 220         (SCOP_DEP_GRAPH): Removed.
 221
 222 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-poly.h (copy_lst): Do full copy of LST.
 225
 226 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 227
 228         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 229         when the loop stride is zero.
 230
 231         * gcc.dg/graphite/id-16.c: New.
 232
 233 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 234
 235         * graphite-dependences.c (reduction_dr_1): New.
 236         (reduction_dr_p): New.
 237         (graphite_legal_transform_dr): Call reduction_dr_p.
 238         (reduction_ddr): Renamed reduction_ddr_p.
 239         * graphite-poly.h (same_pdr_p): New.
 240         (number_of_write_pdrs): New.
 241         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 242         (split_reduction_stmt): Do not split reduction statements
 243         when there are no writes to memory.
 244         (translate_scalar_reduction_to_array_for_stmt): Insert the
 245         memory reduction statement just after the scalar reduction statement.
 246
 247         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 248         Un-XFAIL-ed.
 249         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 250         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 251
 252 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         * graphite-interchange.c (lst_apply_interchange): New.
 255         (lst_interchange_profitable_p): New.
 256         (lst_try_interchange_loops): New.
 257         (lst_try_interchange): New.
 258         (lst_do_interchange): New.
 259         (pbb_do_interchange): Removed.
 260         (scop_do_interchange): Call lst_do_interchange.
 261
 262 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 263
 264         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 265         SCOP_TRANSFORMED_SCHEDULE.
 266         (loop_to_lst): New.
 267         (scop_to_lst): New.
 268         (print_lst): New.
 269         (debug_lst): New.
 270         * graphite-poly.h (lst_p): New.
 271         (struct lst): New.
 272         (LST_LOOP_P): New.
 273         (LST_LOOP_FATHER): New.
 274         (LST_PBB): New.
 275         (LST_SEQ): New.
 276         (scop_to_lst): Declared.
 277         (print_lst): Declared.
 278         (debug_lst): Declared.
 279         (new_lst_loop): New.
 280         (new_lst_stmt): New.
 281         (copy_lst): New.
 282         (lst_depth): New.
 283         (lst_dewey_number): New.
 284         (struct scop): Add original_schedule and transformed_schedule fields.
 285         (SCOP_ORIGINAL_SCHEDULE): New.
 286         (SCOP_TRANSFORMED_SCHEDULE): New.
 287         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 288
 289 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 290
 291         * graphite-dependences.c (reduction_ddr): New.
 292         (graphite_legal_transform_bb): Call reduction_ddr.
 293         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 294         Initialize PBB_IS_REDUCTION.
 295         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 296         (PBB_IS_REDUCTION): New.
 297         (new_poly_bb): Update declaration.
 298         * graphite-scop-detection.h (build_scop_bbs): Removed.
 299         (nb_reductions_in_loop): Removed.
 300         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 301         parameter for reductions.
 302         (try_generate_gimple_bb): Update call to new_poly_bb.
 303         (build_scop_bbs_1): Same.
 304         (build_scop_bbs): Same.
 305         (gsi_for_phi_node): New.
 306         (scalar_close_phi_node_p): Remove gcc_assert.
 307         (split_reduction_stmt): New.
 308         (is_reduction_operation_p): New.
 309         (phi_contains_arg): New.
 310         (follow_ssa_with_commutative_ops): New.
 311         (detect_commutative_reduction_arg): New.
 312         (detect_commutative_reduction_assign): New.
 313         (follow_inital_value_to_phi): New.
 314         (edge_initial_value_for_loop_phi): New.
 315         (initial_value_for_loop_phi): New.
 316         (detect_commutative_reduction): New.
 317         (translate_scalar_reduction_to_array_for_stmt): New.
 318         (insert_copyout): New.
 319         (insert_copyin): New.
 320         (translate_scalar_reduction_to_array): New.
 321         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 322         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 323         (rewrite_commutative_reductions_out_of_ssa): New.
 324         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 325         * sese.h (split_region_for_bb): New.
 326
 327         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 328         * gcc.dg/graphite/interchange-1.c: Fix format.
 329         * gcc.dg/graphite/interchange-10.c: New.
 330
 331 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 332
 333         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 334         buggy assert.
 335
 336 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 337
 338         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 339         (rewrite_cross_bb_scalar_dependence): New.
 340         (rewrite_cross_bb_scalar_deps): New.
 341         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 342         Call rewrite_cross_bb_scalar_deps.
 343
 344 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 347         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 348         gsi_for_stmt.
 349
 350 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 351
 352         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 353         * graphite-interchange.c (pbb_do_interchange): Same.
 354         * graphite-poly.c (print_scattering_function): Same.
 355         (debug_pdrs): Same.
 356         * graphite-poly.h (pbb_loop): New.
 357         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 358
 359 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 360
 361         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 362
 363 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 364
 365         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 366         so don't pass a pointer to it.
 367         (build_alias_set_for_drs): Same.
 368         (build_base_obj_set_for_drs): Same.
 369         (build_scop_drs): Same.
 370
 371 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 372
 373         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 374         the alias graph of data references.
 375
 376 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 377
 378         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 379         (build_scop_drs): When debugging, write the alias graph to file,
 380         otherwise, should be disabled.
 381
 382 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 385         (is_simple_operand): Remove call to stmt_simple_memref_p.
 386         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 387
 388 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 389
 390         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 391         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 392         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 393         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 394         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 395
 396 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 397
 398         PR middle-end/41118
 399         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 400         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 401         (graphite_carried_dependence_level_k): Ditto.
 402         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 403         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 404         (new_poly_dr): Adjust declaration.
 405         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 406         (free_gimple_bb): Added free_data_refs_aux.
 407         (build_poly_dr): Add dr_base_object_set.
 408         (partition_drs_to_sets): New.
 409         (dr_same_base_object_p): New.
 410         (build_alias_set_for_drs): New.
 411         (build_base_object_set_for_drs): New.
 412         (build_scop_drs): Add build_base_obj_set_for_drs.
 413         * graphite-sese-to-poly.h: Added #define for alias set number index and
 414         base object set index.
 415         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 416         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 417
 418 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 419
 420         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 421         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 422
 423 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * graphite-sese-to-poly.c (struct irp_data): Removed.
 426         (idx_record_params): Removed.
 427         (find_params_in_bb): Scan for parameters the access functions; don't
 428         parse the tree representation.
 429
 430 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 433         passes at -O1 and below.
 434
 435 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 436
 437         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 438         tree-scalar-evolution.h, and then tree-data-ref.h.
 439         * graphite-clast-to-gimple.c: Same.
 440         * graphite-dependences.c: Same.
 441         * graphite-interchange.c: Same.
 442         * graphite-poly.c: Same.
 443         * graphite-scop-detection.c: Same.
 444         * graphite-sese-to-poly.c: Same.
 445         * graphite.c: Same.
 446         * lambda-code.c: Same.
 447         * matrix-reorg.c: Same.
 448         * tree-data-ref.c: Same.
 449         * tree-if-conv.c: Same.
 450         * tree-loop-distribu: Same.: Same.
 451         * tree-loop-linear.c: Same.
 452         * tree-parloops.c: Same.
 453         * tree-predcom.c: Same.
 454         * tree-vect-patterns.c: Same.
 455
 456 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 457
 458         Partially revert the previous patch, except the following.
 459         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 460         as parameters the operands of the not expression.
 461
 462 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 463
 464         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 465         Do not call analyze_scalar_evolution on assignments.
 466         (instantiate_scev_phi): Call analyze_scalar_evolution.
 467         (instantiate_scev_name): Call instantiate_scev_assign and
 468         instantiate_scev_phi.
 469         (instantiate_scev_not): Adapted to pass as parameters the operands
 470         of the not expression.
 471
 472 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 473
 474         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 475         to pass as parameters the operands of the binary expression.
 476
 477 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 480         instantiate_scev_not.  Handle NEGATE_EXPR.
 481         (instantiate_scev_r): Handle NEGATE_EXPR.
 482
 483 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 484
 485         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 486         instantiate_scev_r.
 487         (instantiate_scev_r): Move code in instantiate_scev_2
 488         and instantiate_scev_1.
 489
 490 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 491
 492         * tree-scalar-evolution.c (instantiate_scev_3): New.
 493         (instantiate_scev_1): Move code in instantiate_scev_3.
 494
 495 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 496
 497         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 498         (instantiate_scev_1): Move code in instantiate_scev_poly.
 499
 500 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 501
 502         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 503         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 504
 505 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 508         (instantiate_scev_1): Move code in instantiate_scev_convert.
 509
 510 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 513         (instantiate_scev_1): Move code in instantiate_scev_binary.
 514
 515 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * tree-scalar-evolution.c (instantiate_scev_name): New.
 518         (instantiate_scev_1): Move code in instantiate_scev_name.
 519
 520 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 521
 522         * Merge from mainline (150992:151171).
 523
 524 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 525
 526         * graphite-dependences.c (graphite_legal_transform_bb): Call
 527         pbb_remove_duplicate_pdrs.
 528         * graphite-poly.c (can_collapse_pdr): Removed.
 529         (pdr_find_duplicate): Removed.
 530         (can_collapse_pdrs): New.
 531         (pbb_remove_duplicate_pdrs): New.
 532         (new_poly_dr): Do not look for duplicates.
 533         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 534         (PBB_PDR_DUPLICATES_REMOVED): New.
 535         (pbb_remove_duplicate_pdrs): Declared.
 536
 537 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 540         the strides by multiplying by PDR_NB_REFS.
 541         * graphite-poly.c (can_collapse_pdr): New.
 542         (pdr_find_duplicate): New.
 543         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 544         Initialize PDR_NB_REFS.
 545         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 546         (PDR_NB_REFS): New.
 547         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 548
 549 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         Revert one of the previous commits:
 552         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 553         the computation of symmetric data dependence relations.
 554         (dependency_between_pbbs_p): Same.
 555
 556 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         PR middle-end/40965
 559         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 560         any transform.
 561
 562 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         * graphite-dependences.c (pddr_original_scattering): Return NULL
 565         for read-read dependence relations.
 566         * graphite-poly.h (enum poly_dr_type): Fix comment.
 567         (pdr_read_p): New.
 568         (pdr_write_p): New.
 569         (pdr_may_write_p): New.
 570
 571 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 572
 573         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 574         (struct poly_dr): Same.
 575         (new_poly_dr): Same.
 576         * graphite-poly.c (new_poly_dr): Same.
 577
 578 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 579             Sebastian Pop  <sebastian.pop@amd.com>
 580
 581         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 582         pbb_strip_mine_time_depth.  Changed the implementation so that
 583         transformation is expressed as a transformation on
 584         time (scatttering) dimensions.  Also, ensures that the 2d+1
 585         scheduling format is preserved.
 586         (pbb_strip_mine_profitable_p): Profitability is based on the
 587         iteration number of a given time (scattering) dimension,
 588         and not on a original loop depth dimension.
 589         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 590         (pbb_do_strip_mine): Call psct_dynamic_dim.
 591         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 592         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 593         (pbb_nb_dynamic_scattering_transform): New.
 594         (psct_dynamic_dim): New.
 595
 596 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 597
 598         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 599         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 600         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 601         * graphite-interchange.c (build_linearized_memory_access): Same.
 602         (memory_stride_in_loop): Same.
 603
 604 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 605
 606         * graphite-dependences.c (pddr_original_scattering): New.
 607         (graphite_legal_transform_dr): Call pddr_original_scattering.
 608         (dot_deps_1): New.
 609         (dot_deps): New.
 610         * graphite-dependences.h (dot_deps): Declared.
 611         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 612         (print_pdr): Print PDR_ID.
 613         * graphite-poly.h (struct poly_dr): Add field id.
 614         (PDR_ID): New.
 615         (pbb_index): New.
 616         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 617
 618 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 621         not delete the original dependence relation.
 622
 623 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 626         the computation of symmetric data dependence relations.
 627         (dependency_between_pbbs_p): Same.
 628
 629 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 632         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 633         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 634         (free_poly_ddr): New.
 635         (pddr_is_empty): New.
 636         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 637         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 638         Remove fprintfs.
 639         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 640         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 641         * graphite-dependences.h (enum poly_dependence_kind): New.
 642         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 643         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 644         (PDRP_SINK): Renamed PDDR_SINK.
 645         (PDRP_DDP): Renamed PDDR_DDP.
 646         (PDDR_KIND): New.
 647         (free_poly_ddr): Declared.
 648         * graphite-poly.c (new_scop): Use the new hash function names.
 649         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 650         into original_pddrs.
 651         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 652
 653 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 654
 655         * Merge from mainline (150764:150992).
 656
 657 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 660         bounds with LT_EXPR to make niter analysis more precise on code
 661         generated by Graphite.
 662
 663 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 666         (graphite_legal_transform_bb): Same.
 667         (poly_drs_may_alias_p): Same.
 668
 669 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 670
 671         PR middle-end/40981
 672         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 673         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 674
 675 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 676
 677         * graphite-poly.c (print_pbb): Print PBB index.
 678
 679 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 680
 681         * Merge from mainline (r150672:150764).
 682
 683 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 684
 685         * graphite-interchange.c (ppl_max_for_le): Moved...
 686         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 687         * graphite-ppl.c (ppl_max_for_le): ... here.
 688         * graphite-ppl.h (ppl_max_for_le): Declared.
 689
 690 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * Merge from mainline (r150372:150672).
 693
 694 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 695
 696         PR middle-end/40980
 697         * sese.c (convert_for_phi_arg): New.
 698         (add_guard_exit_phis): Use convert_for_phi_arg.
 699
 700         * testsuite/gfortran.dg/graphite/id-17.f: New.
 701
 702 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 703
 704         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 705         unknown subscript upper bounds.
 706
 707         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 708
 709 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 710             Pranav Garg  <pranav.garg2107@gmail.com>
 711
 712         * graphite-interchange.c (gather_access_strides): Removed.
 713         (ppl_max_for_le): New.
 714         (build_linearized_memory_access): New.
 715         (memory_stride_in_loop): New.
 716         (pbb_interchange_profitable_p): Reimplemented.
 717         * graphite-ppl.h (ppl_new_id_map): New.
 718         (ppl_interchange): New.
 719
 720         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 721
 722 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 723
 724         * graphite-interchange.c (compute_subscript): Removed.
 725         (compute_array_size_cstr): Removed.
 726         (compute_array_size_poly): Removed.
 727         (compute_array_size): Removed.
 728         (gather_access_strides_poly): Removed.
 729         (gather_access_strides): Empty.
 730
 731 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 732
 733         * graphite-dependences.c (dependence_polyhedron_1): Replace
 734         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 735         (graphite_legal_transform_dr): Same.
 736         (graphite_carried_dependence_level_k): Same.
 737         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 738         Initialize PDR_NB_SUBSCRIPTS.
 739         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 740         PDR_NB_SUBSCRIPTS.
 741         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 742         (PDR_NB_SUBSCRIPTS): New.
 743         (pdr_nb_subscripts): Removed.
 744         (pdr_dim): Simplified.
 745         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 746         with PDR_NB_SUBSCRIPTS.
 747
 748 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * graphite-interchange.c (compute_array_size): Remove use of
 751         PDR_DATA_CONTAINER.
 752         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 753         Do not initialize PDR_DATA_CONTAINER.
 754         (print_pdr): Do not print PDR_DATA_CONTAINER.
 755         * graphite-poly.h (struct poly_dr): Remove data_container field.
 756         (PDR_DATA_CONTAINER): Removed.
 757         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 758         PDR_DATA_CONTAINER.
 759         (build_poly_dr): Same.
 760
 761 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 764
 765 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 766             Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 769         copy of the dependence polyhedron.  Free the temporary objects.
 770         (graphite_carried_dependence_level_k): Free unused objects before
 771         returning.
 772
 773         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 774         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 775         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 776         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 777         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 778
 779 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 782         Early return without analyzing the data dependences if no
 783         transform has been done.  Call restore_scattering if the transform
 784         is not legal.
 785         (graphite-interchange.c): Same.
 786         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 787         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 788         (apply_poly_transforms): Do not gcc_assert that
 789         the transform is legal.
 790         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 791         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 792         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 793         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 794         * graphite-poly.h (struct poly_scattering): New.
 795         (struct poly_bb): Add original, transformed, and saved fields.
 796         Remove transformed_scattering, original_scattering, nb_local_variables,
 797         and nb_scattering_transform fields.
 798         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 799         (poly_scattering_new): New.
 800         (poly_scattering_free): New.
 801         (poly_scattering_copy): New.
 802         (store_scattering_pbb): New.
 803         (store_scattering): New.
 804         (restore_scattering_pbb): New.
 805         (restore_scattering): New.
 806         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 807         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 808
 809 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 810
 811         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 812         (print_scop): Same.
 813
 814 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 815
 816         * Makefile.in (graphite.o): Depends on PREDICT_H.
 817         * graphite.c: Include predict.h.
 818         (graphite_finalize): Call tree_estimate_probability.
 819         * predict.c (predict_loops): Do not call scev_initialize and
 820         scev_finalize.
 821         (tree_estimate_probability_bb): New.
 822         (tree_estimate_probability): Do not initialize loops: move that
 823         code to the driver.  Call tree_estimate_probability_bb.
 824         (tree_estimate_probability_driver): New.
 825         (pass_profile): Use tree_estimate_probability_driver.
 826         * predict.h (tree_estimate_probability): Declared.
 827
 828 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 831         * graphite-dependences.c (graphite_legal_transform): Add time to
 832         TV_GRAPHITE_DATA_DEPS.
 833         (dependency_between_pbbs_p): Same.
 834         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 835
 836 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 837
 838         * Merge from mainline (r149952:150372).
 839
 840 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 843         * graphite-blocking.c: Same.
 844         * graphite-clast-to-gimple.c: Same.
 845         * graphite-dependences.c: Same.
 846         * graphite-poly.c: Same.
 847         * graphite-poly.h: Same.
 848         * graphite-ppl.c: Same.
 849         * graphite-scop-detection.c: Same.
 850         * graphite-sese-to-poly.c: Same.
 851         * graphite.c: Same.
 852
 853 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 854
 855         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 856         (remove_simple_copy_phi): New.
 857         (remove_invariant_phi): New.
 858         (simple_copy_phi_p): New.
 859         (reduction_phi_p): New.
 860         (gsi_for_ssa_name_def): New.
 861         (insert_out_of_ssa_copy): New.
 862         (insert_out_of_ssa_copy_on_edge): New.
 863         (create_zero_dim_array): New.
 864         (scalar_close_phi_node_p): New.
 865         (rewrite_close_phi_out_of_ssa): New.
 866         (rewrite_phi_out_of_ssa): New.
 867         (rewrite_reductions_out_of_ssa): New.
 868         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 869
 870         * testsuite/gcc.dg/graphite/id-11.c: New.
 871         * testsuite/gcc.dg/graphite/id-15.c: New.
 872         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 873         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 874         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 875         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 876         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 877         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 878         * testsuite/gfortran.dg/graphite/id-13.f: New.
 879         * testsuite/gfortran.dg/graphite/id-5.f: New.
 880
 881 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 884         check that nb_reductions_in_loop is zero.
 885         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 886         reduction phi nodes.
 887         (nb_reductions_in_loop): Removed.
 888         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 889         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 890         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 891         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 892         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 893
 894 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 897         statements that have an empty iteration domain.
 898         * testsuite/gfortran.dg/graphite/id-16.f: New.
 899
 900 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         * tree-scalar-evolution.c (instantiate_scev_1): Return
 903         chrec_dont_know when the result is not above instantiate_below.
 904         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 905         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 906         the tree has a known scalar evolution.
 907         * testsuite/gfortran.dg/graphite/id-14.f: New.
 908         * testsuite/gfortran.dg/graphite/id-15.f: New.
 909
 910 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 911
 912         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 913         insert_gsi.
 914         (rename_variables): Keep inserting renames after the ones already
 915         inserted.
 916
 917 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 918
 919         * graphite-sese-to-poly.c (compare_bb_depths): New.
 920         (graphite_sort_dominated_info): New.
 921         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 922         (build_scop_scattering): Fix comment.
 923
 924 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 925
 926         * graphite.c (graphite_finalize): Call print_loops instead of
 927         dump_function_to_file.
 928         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 929         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 930         loops generated in the graphite output file.
 931         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 932         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 933         * testsuite/gfortran.dg/graphite/id-12.f: New.
 934
 935 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 936
 937         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 938         Remove 2 XFAIL.
 939
 940 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 941             Tobias Grosser  <grosser@fim.uni-passau.de>
 942
 943         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 944         alias set number build alias in ACCESSES polyhedron.
 945         (build_alias_set_for_drs): New.
 946         (build_pbb_drs): Added build_alias_set_for_drs.
 947         * graphite-dependences.c (poly_drs_may_alias_p): New.
 948         (graphite_carried_dependence_level_k): Check alias information
 949         before building polyhedron.
 950
 951 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 952
 953         * Makefile.in (lambda-code.o): Fix formatting.
 954
 955 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 956
 957         * Merge from mainline (r149350-149952)
 958
 959 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 960
 961         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 962         before interchange to prepare for loop blocking.
 963
 964 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 965
 966         * graphite-poly.c (apply_poly_transforms): Add checks after every
 967         transformation.
 968         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 969         done in apply_poly_transforms.
 970
 971 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 972
 973         * graphite-dependences.c (build_lexicographically_gt_constraint):
 974         Replace RES parameter with *RES.
 975         (dependence_polyhedron_1): Pass an address of the parameter RES
 976         instead of value of RES.
 977
 978 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 979
 980         * graphite.c (graphite_finalize): Fix comment.
 981         (graphite_transform_loops): Reset scev info after code generation
 982         of each scop.
 983
 984 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * graphite.c (graphite_finalize): Call scev_reset.
 987
 988 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 991         GBB_CLOOG_IV_TYPES hash table twice.
 992         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 993         (add_condition_to_domain): Clear GMP values.
 994
 995 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         * graphite-dependences.c: Fix formatting.
 998         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 999         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1000         * graphite-sese-to-poly.c: Fix formatting.
1001         * graphite.c (graphite_transform_loops): Create the hash table
1002         after the early return.
1003
1004 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         * testsuite/gcc.dg/graphite/id-14.c: New.
1007         * testsuite/gcc.dg/graphite/pr40157.c: New.
1008         * testsuite/gfortran.dg/graphite/id-11.f: New.
1009
1010 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1013         (build_poly_scop): Return false when there are no pbbs within
1014         loops to avoid to pass to cloog scops with no loops.
1015
1016 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1017
1018         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1019         useless test "i % 2".
1020         (build_pbb_scattering_polyhedrons): Fix formatting.
1021         (build_poly_dr): Same.
1022         * graphite.c (graphite_transform_loops): Restructure.
1023
1024 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1025
1026         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1027         reduction_list parameter.
1028         (rewrite_all_phi_nodes_with_iv): Same.
1029         (canonicalize_loop_ivs): Same.
1030         * tree-parloops.c (struct brli): Removed.
1031         (build_reduction_list_info): Removed.
1032         (build_new_reduction): New.
1033         (analyze_reduction_list): Removed.
1034         (gather_scalar_reductions): Find reductions instead of phi
1035         nodes that can't be canonicalized.
1036         (try_create_reduction_list): Remove reduction_list parameter.
1037         (gen_parallel_loop): Same.
1038         (parallelize_loops): Remove analyze_reductions variable,
1039         initialization and free.
1040         Change reduction_list htab initialization to reduction_info
1041         elements instead of ssa names.
1042         Call try_create_reduction_list and gen_parallel_loop without
1043         analyzed_reduction argument.
1044         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1045         canonicalize_loop_ivs with one less argument.
1046         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1047
1048 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1049
1050         * graphite-dependences.c (new_poly_dr_pair): New.
1051         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1052         (new_poly_dr_pair): New.
1053         (eq_poly_dr_pair_p): New.
1054         (hash_poly_dr_pair_p): New.
1055         * graphite-dependences.h (struct poly_dr_pair): New.
1056         (eq_poly_dr_pair_p): Declared.
1057         (hash_poly_dr_pair_p): Declared.
1058         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1059         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1060         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1061         * Makefile.in (graphite-poly.o): Add dependence on
1062         graphite-dependences.h.
1063
1064 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1067         polynomials of degree > 1 pass to Graphite.
1068         * tree-chrec.c (scev_is_linear_expression): Call
1069         evolution_function_is_affine_multivariate_p.
1070         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1071
1072 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1073
1074         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1075         Instantiate scevs varying in outer loops.
1076         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1077
1078 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1081         redundant constraint.
1082
1083 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1086         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1087         based on the file names as in the C testsuite.
1088         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1089         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1090         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1091         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1092         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1093         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1094         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1095         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1096         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1097         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1098         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1099         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1100         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1101
1102 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * sese.c (expand_scalar_variables_call): New.
1105         (expand_scalar_variables_ssa_name): Handle calls in expander.
1106
1107 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1110         Expect to see the pattern twice.
1111         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1112         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1113         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1114
1115 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * testsuite/gcc.dg/graphite/id-10.c: New.
1118         * testsuite/gcc.dg/graphite/id-12.c: New.
1119         * testsuite/gfortran.dg/graphite/id-7.f: New.
1120         * testsuite/gfortran.dg/graphite/id-8.f: New.
1121
1122 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1125         zero.
1126
1127 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1128
1129         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1130
1131 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1134
1135 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1138         building PDR subscripts.
1139
1140 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1141
1142         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1143         computation of array sizes.
1144
1145 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1148
1149 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1150
1151         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1152         build_pairwise_constraint, dr_equality_constraints,
1153         build_pairwise_scheduling_equality,
1154         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1155         build_lexicographically_gt_constraint, dependence_polyhedron,
1156         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1157         Move from NNC_Polyhedron to C_Polyhedron.
1158         * graphite-interchange.c (compute_array_size_poly,
1159         gather_access_strides): Dito.
1160         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1161         free_scop, pbb_number_of_iterations): Dito.
1162         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1163         pbb_dim_iter_domain, struct scop): Dito.
1164         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1165         new_Cloog_Domain_from_ppl_Polyhedron,
1166         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1167         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1168         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1169         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1170         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1171         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1172         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1173         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1174         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1175         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1176         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1177         build_scop_iteration_domain, build_poly_dr): Dito
1178
1179 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1182         run-id-*.c files.
1183         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1184
1185 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1188         positivity constraint on the symbolic number of iterations.
1189
1190 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1193
1194 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1195             Tobias Grosser  <grosser@fim.uni-passau.de>
1196
1197         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1198         (build_cloog_prog): Directly use SCOP_CONTEXT.
1199         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1200         (free_scop): Free SCOP_CONTEXT.
1201         (print_scop_context): New.
1202         (print_scop): Call print_scop_context.
1203         (debug_scop_context): New.
1204         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1205         (struct scop): Added field context.
1206         (SCOP_CONTEXT): New.
1207         * graphite-sese-to-poly.c (add_param_constraints): New.
1208         (build_scop_context): New.
1209         (build_poly_scop): Call build_scop_context.
1210
1211 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1214         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1215         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1216         * graphite-ppl.h: Include double-int.h and tree.h.
1217         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1218         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1219         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1220         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1221
1222 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1225         POINTER_PLUS_EXPR for pointer types.
1226         (clast_to_gcc_expression): Same.
1227
1228 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * graphite-poly.c (print_scattering_function): Early return when
1231         PBB_TRANSFORMED_SCATTERING is not initialized.
1232         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1233
1234 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1237         to fix bootstrap.
1238
1239 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1240
1241         * tree-parloops.c (analyze_reduction_list): Change return
1242         value to void.
1243         (try_create_reduction_list): Move the call to
1244         analyze_reduction_list to the beginining.
1245         Call reduction_phi with analyzed_reductions as argument
1246         instead of reduction_list.
1247
1248 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1249
1250         *  Merge from mainline (r148296:149346)
1251
1252 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1253
1254         * graphite-scop-detection.c (graphite_can_represent_init): New.
1255         (graphite_can_represent_scev): Call graphite_can_represent_init:
1256         check that the initial value does not contain multiplications of
1257         parameters.
1258         (stmt_has_simple_data_refs_p): New.
1259         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1260         (is_simple_operand): Fix formatting.
1261         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1262
1263 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * testsuite/gcc.dg/graphite/id-13.c: New.
1266         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1267         analyze_scalar_evolution, use scalar_evolution_in_region.
1268         (scan_tree_for_params_right_scev): Add extra assert.
1269         (parameter_index_in_region_1): Split from parameter_index_in_region.
1270         (idx_record_params): Use scalar_evolution_in_region.
1271         (find_params_in_bb): Same.
1272         (find_scop_parameters): Same.
1273         (build_loop_iteration_domains): Same.
1274         (create_linear_expr_from_tree): Same.
1275         * sese.c (scalar_evolution_in_region): New.
1276         * sese.h (scalar_evolution_in_region): Declared.
1277         (defined_in_sese_p): New.
1278         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1279         static anymore.
1280         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1281         Declared.
1282
1283 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1286         TREE_DATA_REF_H also implies SCEV_H.
1287
1288 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * graphite-poly.c (print_scop_params): New.
1291         (print_scop): Call print_scop_params.
1292         (debug_scop_params): New.
1293         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1294
1295 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1296
1297         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1298         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1299         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1300         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1301         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1302         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1303
1304 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1305
1306         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1307         for dependency checking part.
1308         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1309         tests for dependency checking.
1310         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1311         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1312         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1313         flag -fdump-tree-graphite-all for autopar testsuites.
1314
1315 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1318         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1319         canonicalize_loop_ivs): Moved...
1320         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1321
1322 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1323
1324         * tree-parloops.c (try_create_reduction_list): Pass an extra
1325         argument analyzed_reductions.  Call analyze_reduction_list.
1326         (gen_parallel_loop): Do not call analyze_reduction_list.
1327         (parallelize_loops): Init and finalize analyzed_reductions.
1328
1329 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1330
1331         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1332         Added flag -fno-loop-strip-mine for autopar testcase.
1333
1334 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1335
1336         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1337         transformed scattering dimension instead of unmatch orignal when
1338         calling dependence_polyhedron.
1339
1340 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1343
1344 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1347         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1348
1349 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1350
1351         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1352         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1353         * graphite-poly.c (pbb_number_of_iterations): New.
1354         * graphite-poly.h (pbb_number_of_iterations): Declared.
1355         (pbb_iterator_dim, pbb_parameter_dim): New.
1356
1357 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1358
1359         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1360         last commit on type of lower and upper bound of loops.
1361
1362 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1363
1364         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1365         graphite-dependences.h.
1366         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1367         (mark_bb_with_pbb): New.
1368         (get_stmtfor_depth): New.
1369         (find_pbb_via_hash): New.
1370         (dependency_in_loop_p): New.
1371         (mark_loops_parallel): New.
1372         (free_aux_in_new_loops): New.
1373         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1374         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1375         innermost loop parallel without checking.
1376         (gloog): Add parameter BB_PBB_MAPPING.
1377         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1378         (gloog): Change declaration.
1379         (mark_loop_parallel): Make extern.
1380         (free_aux_in_new_loops): Declare.
1381         (bb_pbb_map_hash): New.
1382         (eq_bb_pbb_map): New.
1383         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1384         auto parallelization when flag_graphite_force_parallel is set.
1385         (graphite_finalize): Added free_aux_in_new_loops.
1386         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1387         the innermost loop that marked parallel.  Use
1388         flag_graphite_force_parallel instead of loop->can_be_parallel.
1389         (loop_parallel_p): Move inner most checking out of function.
1390
1391 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1394         type of lower and upper bound of loops signed long int.
1395
1396 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1397
1398         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1399         expression outside the loop.
1400
1401 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * gcc.dg/graphite/interchange-8.c: New.
1404
1405 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * gcc.dg/graphite/interchange-0.c: XFailed.
1408         * gcc.dg/graphite/interchange-5.c: XFailed.
1409         * gcc.dg/graphite/interchange-6.c: XFailed.
1410
1411 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1412
1413         * graphite-interchange.c (compute_array_size_poly): The end of the
1414         recursion should return 1.
1415
1416 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1417
1418         * graphite-interchange.c (compute_array_size_cstr): Allow the
1419         subscript multiplier to be -1.
1420         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1421         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1422         data_container.  Initializes PDR_DATA_CONTAINER.
1423         (print_pdr_access_layout): New.
1424         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1425         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1426         data_container.
1427         (PDR_DATA_CONTAINER): New.
1428         (new_poly_dr): Update declaration.
1429         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1430         (build_poly_dr): Call pdr_add_data_dimensions.
1431
1432 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1433
1434         * graphite-poly.h (struct poly_dr): Fix comment.
1435         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1436         (pdr_add_memory_accesses): New.
1437         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1438
1439 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1442         (print_pbb): Add call to print_pdrs.
1443         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1444
1445 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1446             Li Feng <nemokingdom@gmail.com>
1447
1448         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1449         (dependency_between_pbbs_p): New.
1450         (lexicographically_gt_p): Assure !empty_p before polyhedron
1451         intersection assign.
1452         (build_lexicographically_gt_constraint): Correct lexicographically
1453         judging.
1454         * graphite-dependences.h: New.
1455         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1456
1457 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1460         (gloog): Print to dump_file the generated clast.
1461         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1462         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1463
1464 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * graphite-poly.c (extend_scattering): Increment
1467         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1468
1469 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * graphite-interchange.c (compute_array_size_poly): Added exit of
1472         recursion condition.  Continue iterating even after the first equality.
1473         (compute_array_size): Same.
1474
1475 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1476
1477         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1478         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1479         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1480         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1481         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1482
1483 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1484
1485         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1486         only when the use verifies is_gimple_reg.
1487
1488 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1491         Allocate scaldims after call to unify_scattering_dimensions.
1492
1493 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1494
1495         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1496
1497 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1498             Albert Cohen  <albert.cohen@inria.fr>
1499
1500         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1501         variables for the strip mining.
1502
1503 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1504             Pranav Garg  <pranav.garg2107@gmail.com>
1505
1506         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1507         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1508         (graphite-blocking.o): New rule.
1509         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1510         * graphite-blocking.c: New.
1511         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1512         flag_loop_strip_mine.
1513         (psct_scattering_dim_for_loop_depth): New.
1514         * graphite-poly.h (scop_do_strip_mine): Declared.
1515         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1516         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1517         flag_loop_strip_mine.
1518
1519 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1520
1521         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1522         a GMP value and a PPL coefficient at each iteration of a loop.
1523
1524 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * graphite-dependences.c (dependence_polyhedron): Do not use
1527         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1528         pbb_nb_scattering_transform.
1529         (graphite_legal_transform_dr): Same.
1530         * graphite-poly.c (extend_scattering): Same.
1531         (unify_scattering_dimensions): Same.
1532         (print_scattering_function): Same.
1533         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1534         PBB_NB_LOCAL_VARIABLES.
1535         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1536         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1537         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1538         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1539         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1540         (pbb_nb_scattering_transform): New.
1541         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1542         (psco_scattering_dim): Add assert on parameters.
1543         (psct_scattering_dim): Same.
1544         (psct_scattering_dim_for_loop_depth): Declared.
1545         (psct_local_var_dim): New.
1546         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1547         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1548         correct layout, call pbb_nb_local_vars.
1549         (psct_add_local_variable, psct_add_scattering_dimension): New.
1550         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1551         Initialize PBB_NB_SCATTERING_TRANSFORM.
1552
1553 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1556         (set_coef): Renamed ppl_set_coef.
1557         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1558
1559 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1560
1561         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1562         test a boolean against 1.
1563         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1564         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1565         (pbb_do_interchange): Returns true when a transform has been performed.
1566         (scop_do_interchange): Same.
1567         * graphite-poly.c (apply_poly_transforms): Use the return value of
1568         scop_do_interchange.
1569         * graphite-poly.h (scop_do_interchange): Update declaration.
1570
1571 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1572
1573         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1574         after last use.
1575         * sese.c (sese_reset_aux_in_loops): New.
1576         * sese.h (sese_reset_aux_in_loops): New.
1577
1578 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1581         multiplier and multiply the constant by the multiplier.
1582         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1583         (build_poly_dr): Do not use the multiplier to define the subscript.
1584
1585 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1586
1587         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1588         compiler's data reference.  Initialize PDR_CDR.
1589         (print_pdr): Call dump_data_reference.
1590         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1591         Add compiler_dr field.
1592         (PDR_BB): Renamed PDR_PBB.
1593         (PDR_CDR): New.
1594         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1595         GCC's data reference representation.
1596         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1597         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1598
1599 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite-poly.c (print_scattering_function): Also print the layout.
1602         * graphite-poly.h (pbb_nb_local_vars): New.
1603
1604 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1607
1608 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * graphite-poly.c (print_pdr, debug_pdr): New.
1611         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1612         (PDR_BASE): Removed.
1613
1614 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1617         ltrans-{1..6,8}.c.
1618
1619 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1620
1621         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1622         subscript identification column.
1623         (pbb_do_interchange): Print to dump_file that some loops "will be
1624         interchanged".  Rely on that chain of characters in the testcases.
1625         * gcc.dg/graphite/interchange-0.c: New.
1626         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1627         interchange-*.c files and compile them with -floop-interchange.
1628
1629 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1630
1631         * graphite-interchange.c (interchange_profitable_p): Renamed
1632         pbb_interchange_profitable_p.
1633
1634 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1635             Harsha Jagasia  <harsha.jagasia@amd.com>
1636             Pranav Garg  <pranav.garg2107@gmail.com>
1637
1638         * graphite-interchange.c (interchange_profitable_p): Make static.
1639         (pbb_interchange_loop_depths, pbb_do_interchange,
1640         scop_do_interchange): New.
1641         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1642         for flag_loop_interchange.
1643         * graphite-poly.h (scop_do_interchange): Declared.
1644         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1645         flag_loop_interchange is used.
1646
1647 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * graphite-dependences.c (dependence_polyhedron): Update use of
1650         pbb_nb_scattering_dims.
1651         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1652         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1653         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1654         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1655
1656 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * graphite.c: Cleanup foo.
1659
1660 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1661
1662         * Merge from mainline (r143684:148293).
1663         * Disabled libpcp until it gets fixed.
1664
1665 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1666             Harsha Jagasia  <harsha.jagasia@amd.com>
1667
1668         * graphite-interchange.c: New.
1669         * Makefile.in (graphite-interchange.o): New.
1670         * graphite-poly.h (interchange_profitable_p): Declared.
1671         * graphite-ppl.h (value_max): New.
1672
1673 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1676         * graphite-poly.h: Fix some comments.
1677         (pdr_dim): New.
1678         (pdr_scop): New.
1679
1680 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * graphite-poly.h
1683         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1684         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1685         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1686         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1687         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1688         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1689         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1690         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1691         * graphite-clast-to-gimple.c: Same.
1692         * graphite-dependences.c: Same.
1693         * graphite-poly.c: Same.
1694         * graphite-sese-to-poly.c: Same.
1695
1696 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1697
1698         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1699         expressions for an IV rename, as returned by clast_to_gcc_expression.
1700         (copy_renames): Rename new_name to expr.
1701         * sese.c (debug_rename_elt): Same.
1702         (get_rename): Same.
1703         (set_rename): Same.
1704         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1705         the information from the rename map.
1706         (rename_variables_in_stmt): Same.
1707         (add_loop_exit_phis): Rename new_name to expr.
1708         (insert_loop_close_phis): Same.
1709         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1710         * sese.h (struct rename_map_elt): Rename new_name to expr.
1711         (new_rename_map_elt): Same.
1712
1713 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1714
1715         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1716         * sese.c (set_rename): Make it extern.
1717         * sese.h (set_rename): Declared.
1718
1719 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * graphite-poly.c (extend_scattering): Free values.
1722         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1723         Free iterators.
1724         (ppl_print_powerset_matrix): Same.
1725         * graphite-scop-detection.c (free_scops_1): New.
1726         (limit_scops): Call free_scops_1.
1727         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1728         (build_poly_dr): Free PPL coefficients.
1729         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1730
1731 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * graphite-dependences.c: New.
1734         * graphite-data-ref.c: Removed.
1735         * graphite-data-ref.h: Removed.
1736         * Makefile.in (graphite-data-ref.o): Removed.
1737         (graphite-dependences.o): Added.
1738         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1739         * graphite-poly.c: Same.
1740         Move the data dependence testing to graphite-dependences.c.
1741
1742 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1743
1744         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1745         from graphite_cannot_represent_loop. Code refactored.
1746         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1747
1748 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1749
1750         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1751         Cover all the testcases (not only the filtered ones).
1752
1753 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1754
1755         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1756         unnecessary check. Update comments. Move check for REAL_TYPE here.
1757         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1758         done in (stmt_simple_for_scop_p).
1759
1760 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1761
1762         * graphite.c (print_global_statistics): New.
1763         (print_graphite_scop_statistic): New.
1764         (print_graphite_statistics): New.
1765         (graphite_initialize, graphite_transform_loops): Print statistics.
1766         * graphite-scop-detection (build_scops): Print statistics.
1767         (print_graphite_scop_statistics): New.
1768         (print_graphite_statistics): New.
1769
1770 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1773         (debug_clast_name_index): Removed.
1774         (debug_clast_name_indexes_1): Removed.
1775         (debug_clast_name_indexes): Removed.
1776         (clast_name_index_elt_info): Removed.
1777         (eq_clast_name_indexes): Removed.
1778         (clast_name_to_index): Removed.
1779         (new_clast_name_index): Removed.
1780         (save_clast_name_index): Removed.
1781         (save_var_name): Moved...
1782         (init_sese_params_index): Removed.
1783         (clast_name_to_gcc): Remove use of name_tree.
1784         (initialize_cloog_names): Same.
1785         (gloog): Do not call init_sese_params_index.
1786         * graphite-sese-to-poly.c (save_var_name): ...here.
1787         (parameter_index_in_region): New.
1788         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1789         (parameter_index_in_region): Removed.
1790         (is_parameter): Remove use of name_tree.
1791         * sese.h (struct name_tree): Removed.
1792         (struct sese): Remove use of name_tree.  New field params_names.
1793         (SESE_PARAMS_NAMES): New.
1794         (SESE_PARAMS): Remove duplicate.
1795         (parameter_index_in_region): Removed.
1796         (sese_nb_params): Remove use of name_tree.
1797         (struct clast_name_index): New.
1798         (new_clast_name_index): New.
1799         (clast_name_to_index): New.
1800         (save_clast_name_index): New.
1801         (debug_clast_name_index): New.
1802         (debug_clast_name_indexes_1): New.
1803         (debug_clast_name_indexes): New.
1804         (clast_name_index_elt_info): New.
1805         (eq_clast_name_indexes): New.
1806
1807 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1808
1809         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1810         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1811         (graphite_loop_normal_form): Do not pass region.  Do not
1812         initialize SESE_OLDIVS.
1813         (build_graphite_loop_normal_form): Update call to
1814         graphite_loop_normal_form.
1815         * sese.c (debug_oldivs): Removed.
1816         (new_sese): Do not initialize SESE_OLDIVS.
1817         (free_sese): Do not free SESE_OLDIVS.
1818         (oldiv_for_loop): Removed.
1819         * sese.h (struct sese): Remove old_ivs.
1820         (SESE_OLDIVS): Removed.
1821         (oldiv_for_loop): Removed.
1822
1823 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1826         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1827         replaced by a call to newivs_to_depth_to_newiv.
1828         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1829         (clast_to_gcc_expression_red): Same.
1830         (gcc_type_for_clast_expr): Same.
1831         (gcc_type_for_clast_eq): Same.
1832         (graphite_translate_clast_equation): Same.
1833         (graphite_create_guard_cond_expr): Same.
1834         (graphite_create_new_guard): Same.
1835         (graphite_create_new_loop): Same.
1836         (build_iv_mapping): Same.
1837         (translate_clast): Same.
1838         (gloog): Same.
1839         (loop_iv_stack_patch_for_consts): Removed.  *
1840         sese.c (iv_stack_entry_is_constant): Removed.
1841         (iv_stack_entry_is_iv): Removed.
1842         (loop_iv_stack_push_iv): Removed.
1843         (loop_iv_stack_insert_constant): Removed.
1844         (loop_iv_stack_pop): Removed.
1845         (loop_iv_stack_get_iv): Removed.
1846         (loop_iv_stack_get_iv_from_name): Removed.
1847         (debug_loop_iv_stack): Removed.
1848         (free_loop_iv_stack): Removed.
1849         (loop_iv_stack_remove_constants): Removed.  *
1850         sese.h (iv_stack_entry_kind): Removed.
1851         (iv_stack_entry_data_union): Removed.
1852         (iv_stack_entry_struct): Removed.
1853         (iv_stack_entry_p): Removed.
1854         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1855         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1856         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1857         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1858         (gbb_loop_at_index): Fix indenting.
1859         (gbb_loop_index): Removed.
1860
1861 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1862
1863         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1864         Call clast_name_to_index.
1865
1866 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1869         do not pass params.  Get params from SESE_PARAMS.
1870         (clast_to_gcc_expression): Same.
1871         (clast_to_gcc_expression_red): Same.
1872         (gcc_type_for_clast_eq): Same.
1873         (graphite_translate_clast_equation): Same.
1874         (graphite_create_new_loop): Same.
1875         * sese.c (rename_variables_in_stmt): Fix comment.
1876
1877 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1878
1879         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1880         newivs_index.
1881         Call save_clast_name_index.
1882         (translate_clast): Pass newivs_index.
1883         (gloog): Create and free newivs_index.
1884
1885 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1888         (clast_name_index_p): New type.
1889         (debug_clast_name_index): New.
1890         (debug_clast_name_indexes_1): New.
1891         (debug_clast_name_indexes): New.
1892         (clast_name_index_elt_info): New.
1893         (eq_clast_name_indexes): New.
1894         (clast_name_to_index): New.
1895         (new_clast_name_index): New.
1896         (save_clast_name_index): New.
1897         (init_sese_params_index): New.
1898         (gloog): Call init_sese_params_index.
1899         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1900         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1901         (free_sese): Free SESE_PARAMS_INDEX.
1902         * sese.h (struct sese): Add params_index.
1903         (SESE_PARAMS_INDEX): New.
1904
1905 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1908         (graphite_create_new_loop): Pass the newivs vector.  Push the
1909         newly created IV to newivs.
1910         (translate_clast): Pass the newivs vector.
1911         (gloog): Create and destroy the newivs vector.
1912
1913 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1914
1915         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1916         (graphite_loop_normal_form): Initialize loop->aux with the unique
1917         IV that has been created.
1918
1919 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1920
1921         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1922         scev with parameters in the base part. They where forbidden
1923         exidently.
1924
1925 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1926
1927         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1928         compile options by file names.
1929         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1930         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1931         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1932         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1933
1934 2009-05-08  Li Feng <nemokingdom@gmail.com>
1935
1936         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1937         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1938         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1939         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1940
1941 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1942
1943         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1944         by final cleanup.
1945
1946 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1947
1948         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1949         allow integer constant strides.
1950         (graphite_can_represent_expr): Depend on outermost_loop.
1951         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1952         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1953         build_scops_1): Same.
1954         (scopdet_basic_block_info): Same and insert layered SCoP
1955         detection.
1956         (try_generate_gimple_bb): Cleanup.
1957         (build_scops): Enable data references.
1958
1959         * testsuite/gcc.dg/graphite/id-5.c: New.
1960         * testsuite/gcc.dg/graphite/id-9.c: New.
1961         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1962         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1963
1964 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1965
1966         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1967         that we have not yet built for this SCoP.
1968
1969 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1970
1971         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1972         for complex numbers.
1973
1974 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1975
1976         * graphite-ppl.c: Fix build if cloog is not available.
1977
1978 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1979
1980         * tree-parloops.c (loop_parallel_p): Remove construction of
1981         NITER and REDUCTION_LIST.
1982         (try_get_loop_niter): New.
1983         (try_create_reduction_list): New.
1984         (parallelize_loops): Bypass the failed checkings in autopar
1985         when can_be_parallel in loop structure is set to true.
1986
1987 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1988
1989         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1990         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1991
1992 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1993
1994         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1995         Enable EQ_EXPR and NE_EXPR again.
1996
1997 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1998
1999         * graphite-scop-detection.c (graphite_can_represent_scev):
2000         Add check if scev is affine multivariate.
2001         (harmful_stmt_in_bb): Check if we can represent the conditions.
2002         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2003         harmful_stmt_in_bb.
2004         * testsuite/gcc.dg/graphite/id-7.c: New.
2005
2006 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2007
2008         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2009         Check all bbs in region, not only the bbs that are represented in
2010         GRAPHITE.
2011         (build_poly_scop): Add newline.
2012         * testsuite/gcc.dg/graphite/id-8.c: New.
2013
2014 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2015
2016         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2017         when loop initialize.
2018         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2019         * common.opt: Declare flag_graphite_force_parallel.
2020         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2021         loop parallel.
2022         * graphite-poly.c (apply_poly_transforms): Introduce
2023         flag_graphite_force_parallel.
2024         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2025         * toplev.c (process_options): ditto and replace a not correctly
2026         encoded space.
2027
2028 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2029
2030         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2031         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2032         to the redefinition.
2033         (compute_cloog_iv_types_1): ditto.
2034         (build_iv_mapping): ditto.
2035         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2036         initialization.
2037         (free_gimple_bb): Removed GBB_LOOPS related free part.
2038         (build_bb_loops): Removed.
2039         * sese.h (struct gimple_bb): Removed loops.
2040         (GBB_LOOPS): Removed.
2041         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2042         (gbb_loop_index): ditto.
2043
2044 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2045
2046         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2047         allow non constant strides.
2048         * testsuite/gcc.dg/graphite/scop-20.c: New.
2049
2050 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-scop-detection.c (dot_all_scops): Fix system call
2053         return value warning.
2054         (dot_scop): Same.
2055
2056 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2057
2058         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2059         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2060
2061 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2064         build_pairwise_constraint, dr_equality_constraints,
2065         build_pairwise_scheduling_equality,
2066         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2067         build_lexicographically_gt_constraint, dependence_polyhedron,
2068         graphite_legal_transform_dr, graphite_legal_transform_bb,
2069         graphite_legal_transform): New.
2070         * graphite-poly.h (graphite_legal_transform): Declared.
2071         * graphite-sese-to-poly.c (build_poly_scop): Call to
2072         graphite_legal_transform is disabled for the moment.
2073
2074 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         * graphite-poly.h (pbb_nb_scattering_dims): New.
2077         (pbb_nb_scattering): Use it.
2078
2079 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2082         Pointset_Powerset version of ppl_insert_dimensions.
2083         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2084
2085 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2086
2087         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2088
2089 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2090
2091         * graphite-poly.h: Fix comment.
2092
2093 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2094
2095         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2096
2097 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2098
2099         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2100         statements.
2101
2102 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2103
2104         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2105         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2106         conditions.
2107
2108 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2109
2110         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2111         handle EQ_EXPR and NE_EXPR.
2112
2113 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2114
2115         * graphite-poly.h (poly_dr): Fix comment.
2116
2117 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2118             Tobias Grosser  <grosser@fim.uni-passau.de>
2119
2120         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2121         with a zero dimension polyhedron.
2122         (find_scop_parameters): Move the call to scop_set_nb_params here.
2123         (build_loop_iteration_domains): Store in loop->aux the iteration
2124         domain polyhedron.
2125         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2126         by any loop in scop.
2127         (build_poly_scop): Do not call scop_set_nb_params.
2128
2129 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2130             Tobias Grosser  <grosser@fim.uni-passau.de>
2131
2132         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2133         add_condition_to_domain not GT_EXPR.
2134
2135 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2136
2137         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2138         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2139         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2140         upper_bound_assign to calculate unions.
2141         * testsuite/gcc.dg/graphite/id-6.c: New.
2142
2143 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2144
2145         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2146         handle abnormal edges.
2147
2148 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2149
2150         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2151         (free_poly_bb): Also free poly_drs.
2152         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2153         (poly_dr): Polyhedron to Pointset_Powerset.
2154         (pdr_accessp_nb_subscripts): Same.
2155         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2156         poly_drs.
2157
2158 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2161         names into more meaningful names.
2162
2163 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2164
2165         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2166         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2167
2168 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2171         the reduction_list.
2172         * tree-parloops.c (rewrite_phi_with_iv): New.
2173         (rewrite_all_phi_nodes_with_iv): New.
2174         (canonicalize_loop_ivs): Call them.
2175
2176 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2179         graphite_find_data_references_in_stmt.
2180         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2181         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2182
2183 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2186
2187 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2188
2189         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2190         instead of bb_in_region.
2191         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2192         (build_sese_conditions): Use flag_bb_in_sese.
2193         * sese.c (register_bb_in_sese): Removed.
2194         (new_sese): Remove initialization of SESE_REGION_BBS.
2195         (free_sese): Do not free SESE_REGION_BBS.
2196         * sese.h (struct sese): Remove field region_basic_blocks.
2197         (SESE_REGION_BBS): Removed.
2198         (bb_in_sese_p): Implement in function of bb_in_region.
2199
2200 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2203         loops.
2204
2205 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2206
2207         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2208         and EQ_EXPR.
2209         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2210         (add_condition_to_domain): New.
2211         (add_condition_to_pbb): New.
2212         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2213         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2214
2215 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2216
2217         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2218         ppl_Pointset_Powerset.
2219         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2220         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2221         (pbb_nb_loops): Same.
2222         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2223         add_conditions_to_domain): Same.
2224         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2225         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2226         ppl_const_Polyhedron_t.
2227         (ppl_print_powerset_matrix): New.
2228         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2229         ppl_print_powerset_matrix): New.
2230         (ppl_print_polyhedron_matrix): Updated.
2231
2232 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2235
2236 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2239         (print_iteration_domains, debug_iteration_domain,
2240         debug_iteration_domains): New.
2241         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2242         debug_iteration_domains): Declared.
2243         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2244         indenting.
2245
2246 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2247             Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         * graphite-poly.h (print_iteration_domain): New.
2250         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2251         (build_sese_conditions_1, build_sese_conditions_after,
2252         build_sese_conditions_before): New.
2253         (build_sese_conditions): Rewritten.
2254
2255 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2256             Tobias Grosser  <grosser@fim.uni-passau.de>
2257
2258         Cleanup of code generation liveouts.
2259         * graphite-clast-to-gimple.c (translate_clast): Use a single
2260         rename_map instead of one per translated statement.
2261         Do not use SESE_LIVEOUT_RENAMES.
2262         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2263         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2264         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2265         phi node of a reduction: when a loop contains a reduction used outside
2266         the loop, there should be a scalar close phi node on the exit block.
2267         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2268         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2269         (free_sese): Do not free them.
2270         (sese_build_liveouts_use): Do not use them.
2271         (sese_build_liveouts_bb): Same.
2272         (sese_build_liveouts): Same.
2273         (sese_insert_phis_for_liveouts): Same.
2274         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2275         (defined_in_loop_p): New.
2276         (alive_after_loop): New.
2277         (close_phi_not_yet_inserted_p): New.
2278         (struct alep, alep_p): New.
2279         (add_loop_exit_phis): Remove from the rename_map all the names defined
2280         in the code generated loop.
2281         (insert_loop_close_phis): Traverse the rename_map passed to it.
2282         Don't use SESE_LIVEOUT_RENAMES.
2283         (default_liveout_before_guard): Renamed default_before_guard.
2284         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2285         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2286         (register_sese_liveout_renames): Removed.
2287         (copy_bb_and_scalar_dependences): Do not call it.
2288         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2289         reduction_list.
2290         (SESE_LIVEOUT): Removed.
2291         (SESE_LIVEOUT_RENAMES): Removed.
2292         (SESE_REDUCTION_LIST): Removed.
2293         (sese_build_liveouts): Removed.
2294         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2295         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2296         (insert_guard_phis): Same.
2297         (rename_map_elt): Declare a VEC of them.
2298         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2299         trees not pointers to trees.
2300
2301         Rewrite in canonical close SSA form:
2302         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2303         (limit_scops): Close the scop after the block containing the close phi
2304         nodes.
2305         (canonicalize_loop_closed_ssa): New.
2306         (canonicalize_loop_closed_ssa_form): New.
2307         (build_scops): Call canonicalize_loop_closed_ssa_form.
2308
2309         * graphite-sese-to-poly.c: Fix typos.
2310
2311 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2314         Extended.
2315         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2316         (print_pbb): Add conditions.
2317
2318 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2319             Sebastian Pop  <sebastian.pop@amd.com>
2320
2321         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2322         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2323         (build_scop_bbs_1): New.
2324         (build_scop_bbs): Rewrite.
2325         * sese.h (bb_in_region): New.
2326
2327 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2328
2329         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2330         poly_drs vector.
2331         (print_scop): Style.
2332         * graphite-poly.h (poly_bb): Add drs vector.
2333         (PBB_DRS): Add accessor.
2334         * graphite-sese-to-poly.c (build_poly_dr): New.
2335         (build_pbb_drs, build_scop_drs): New.
2336         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2337
2338 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2339
2340         * tree-ssa-loop.c: Include forgotten toplev.h
2341
2342 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2343
2344         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2345         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2346         * testsuite/gcc.dg/graphite/pr37928.c: Same
2347         * testsuite/gcc.dg/graphite/pr38409.c: Same
2348         * testsuite/gcc.dg/graphite/pr38498.c: Same
2349         * testsuite/gcc.dg/graphite/pr38559.c: Same
2350         * testsuite/gcc.dg/graphite/pr39335.c: Same
2351         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2352         * testsuite/gfortran.dg/graphite/block-2.f: Same
2353         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2354         with -floop-*.
2355
2356 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2357
2358         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2359         build_access_matrix, build_scop_data_accesses): Remove access function
2360         building. (We get a new version soon).
2361         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2362         * sese.h (nb_loops_around_loop_in_sese): Remove.
2363         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2364
2365 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2366             Sebastian Pop  <sebastian.pop@amd.com>
2367
2368         * graphite-scop-detection.c (struct scopdet_info): Rename last
2369         field to exit.
2370         (scopdet_basic_block_info, build_scops_1): Don't use
2371         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2372
2373 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2374             Sebastian Pop  <sebastian.pop@amd.com>
2375
2376         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2377         * sese.c (sese_build_liveouts_use): Renamed from
2378         sese_build_livein_liveouts_use. Remove liveins.
2379         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2380         Call sese_build_liveouts_use.
2381         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2382         Call sese_build_liveouts_bb.
2383         (new_sese, free_sese): Remove liveins.
2384         (sese_add_exit_phis_var): Deleted.
2385         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2386         directly.
2387         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2388
2389         * sese.h (sese): Remove num_ver and livein.
2390         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2391
2392 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2393
2394         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2395
2396 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2397
2398         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2399         (build_scop_scattering): Do not use compare_prefix_loops any more.
2400         (nb_common_loops): New.
2401
2402 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2405         (register_old_and_new_names): Renamed set_rename.
2406
2407 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2410         of the decl from the previous commit.
2411
2412 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2413
2414         * graphite-scop-detection.c (dot_scop): New.
2415         * graphite-scop-detection.h (dot_scop): Declared.
2416
2417 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2420
2421 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2422
2423         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2424         condition at the end of the loop.
2425         * graphite.c (graphite_initialize, graphite_finalize): Print to
2426         dump_file the compiled function.
2427         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2428         of create_empty_loop_on_edge.
2429         (translate_clast): Update the code generation of loops for the new
2430         shape of loops.
2431         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2432
2433 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2434
2435         Reverted the patch from 2009-03-19.
2436
2437 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2438
2439         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2440         poly_drs vector.
2441         (print_scop): Style.
2442         * graphite-poly.h (poly_bb): Add drs vector.
2443         (PBB_DRS): Add accessor.
2444         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2445         (build_access_matrix_with_af, build_access_matrix,
2446         build_scop_data_accesses): Delete.
2447         (build_poly_dr): New.
2448         (build_pbb_drs, build_scop_drs): New.
2449         (build_poly_scop): call build_scop_drs.
2450
2451 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2454         once per basic block.
2455
2456 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2457
2458         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2459         (graphite_can_represent_expr): Renamed from loop_affine_expr
2460         and enhanced.
2461         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2462         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2463         (scopdet_basic_block_info): Actually define entry_block.
2464         (stmt_simple_memref_p): Moved here from ...
2465
2466         * tree-data-ref.c (stmt_simple_memref_p): here.
2467         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2468
2469 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2470
2471         * testsuite/gcc.dg/graphite/id-4.c: New.
2472
2473 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2476         (register_old_and_new_names): Update the content of the map.
2477         When there was already a rename_map_elt in the map at that
2478         location, free it.
2479         (copy_bb_and_scalar_dependences): Do rename_variables after
2480         expand_scalar_variables.
2481         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2482         of the map.  When there was already a rename_map_elt in the
2483         map at that location, free it.
2484         (translate_clast): Pass the rename_map.  Do not initialize and free
2485         a rename_map per stmt_user.
2486         (gloog): Initialize and free one rename_map and pass it to
2487         translate_clast.
2488
2489 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * sese.c (expand_scalar_variables_stmt,
2492         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2493         parameter.
2494         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2495         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2496         the gimple_stmt_iterator of the statement to be expanded.
2497         * graphite-scop-detection.c (is_simple_operand): Do handle
2498         REALPART_EXPR.
2499
2500 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2501
2502         * graphite-scop-detection.c (is_simple_operand): Do not handle
2503         REALPART_EXPR.
2504         * testsuite/gcc.dg/graphite/id-2.c: New.
2505
2506         * graphite-sese-to-poly.c (build_bb_loops,
2507         add_value_to_dim, scan_tree_for_params_right_scev,
2508         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2509         find_params_in_bb, build_loop_iteration_domains,
2510         add_conditions_to_domain): Remove subtract.
2511
2512 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2513
2514         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2515         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2516         pbb_loop_at_index -> gbb_loop_at_index.
2517         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2518         (debug_loop_vec): Delete.
2519         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2520         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2521         (PBB_LOOPS): Removed.
2522         (PBB_BLACK_BOX): Insert cast.
2523         (pbb_set_black_box): New setter.
2524         (pbb_loop_at_index, pbb_loop_index): Removed.
2525         (scop_set_region, scop_set_nb_params): New.
2526         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2527         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2528         (build_poly_scop): Use scop_set_nb_params.
2529         * sese.h (gimple_bb): Add LOOPS.
2530         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2531
2532 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2533
2534         Revert previous commit.
2535
2536 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2537
2538         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2539         (register_old_and_new_names): Update the content of the map.
2540         When there was already a rename_map_elt in the map at that
2541         location, free it.
2542         (copy_bb_and_scalar_dependences): Do rename_variables after
2543         expand_scalar_variables.
2544         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2545         of the map.  When there was already a rename_map_elt in the
2546         map at that location, free it.
2547         (translate_clast): Pass the rename_map.  Do not initialize and free
2548         a rename_map per stmt_user.
2549         (gloog): Initialize and free one rename_map and pass it to
2550         translate_clast.
2551
2552 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2553
2554         Remove forgotten line in revert.
2555
2556 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2557
2558         Revert previous commit.
2559
2560 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2561
2562         * sese.c (register_old_and_new_names): Update the content
2563         of the map.  When there was already a rename_map_elt in the
2564         map at that location, free it.
2565         (copy_bb_and_scalar_dependences): Do rename_variables after
2566         expand_scalar_variables.
2567         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2568         of the map.  When there was already a rename_map_elt in the
2569         map at that location, free it.
2570         (translate_clast): Pass the rename_map.  Do not initialize and free
2571         a rename_map per stmt_user.
2572         (gloog): Initialize and free one rename_map and pass it to
2573         translate_clast.
2574
2575 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2576
2577         * graphite-clast-to-gimple.c (translate_clast): context_loop
2578         is never NULL.
2579
2580 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2581             Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2584         of the use of ppl_Polyhedron_map_space_dimensions.
2585
2586 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2587             Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2590         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2591         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2592         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2593         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2594         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2595         pbb_nb_params): New.
2596         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2597         nb_loops_around_pbb): Adapt return types.
2598
2599 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2600
2601         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2602         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2603         graphite-scop-detection.o, graphite-poly.o): Add
2604         more headers.
2605
2606 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2607
2608         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2609         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2610         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2611
2612 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2613
2614         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2615         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2616         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2617         * testsuite/gcc.dg/graphite/block-0.c: Same.
2618         * testsuite/gcc.dg/graphite/block-1.c: Same.
2619         * testsuite/gcc.dg/graphite/block-2.c: Same.
2620         * testsuite/gcc.dg/graphite/block-3.c: Same.
2621         * testsuite/gcc.dg/graphite/block-4.c: Same.
2622         * testsuite/gcc.dg/graphite/block-5.c: Same.
2623         * testsuite/gcc.dg/graphite/block-6.c: Same.
2624         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2625         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2626         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2627         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2628         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2629         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2630         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2631         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2632         * opts.c: Remove -floop-block from -O2.
2633         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2634         -floop-strip-mine are used.
2635
2636 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2637             Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2640         dimensions.
2641         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2642         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2643         strip_mine_profitable_p, is_interchange_valid,
2644         graphite_trans_bb_block, graphite_trans_loop_block,
2645         graphite_trans_scop_block): Temporary removed.
2646         (extend_scattering, unify_scattering_dimensions): New.
2647         (print_scattering_function, graphite_read_transforms):
2648         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2649         (graphite_generate_scattering_fns): Removed.
2650         (apply_poly_transforms): Cleanup.
2651         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2652         (schedule_to_scattering): Moved.
2653         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2654         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2655         (pbb_nb_scattering): New.
2656         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2657         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2658         Removed.
2659         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2660         shift_poly.
2661         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2662         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2663         -> PBB_TRANSFORMED_SCATTERING.
2664         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2665         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2666         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2667         (check_poly_representation): Do not return bool.
2668         (graphite_transform_loops): Reformat.
2669         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2670
2671 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2672
2673         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2674         debug_pbb_domain, debug_pbb, debug_scop): New.
2675         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2676         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2677
2678 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         PR middle-end/39335
2681         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2682         when the type precision of the induction variable should be
2683         larger than the type precision of nit.
2684         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2685         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2686         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2687
2688         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2689         * testsuite/gcc.dg/graphite/pr39335.c: New.
2690
2691 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2694         SSA_NAMES not struct reduction_info.
2695
2696 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2699
2700 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2701             Tobias Grosser  <grosser@fim.uni-passau.de>
2702
2703         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2704         (free_sese): Free SESE_REDUCTION_LIST.
2705         * sese.h (struct sese): Add field reduction_list.
2706         (SESE_REDUCTION_LIST): New.
2707         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2708         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2709
2710 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2711             Tobias Grosser  <grosser@fim.uni-passau.de>
2712
2713         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2714         of loop_p.
2715
2716 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2717             Tobias Grosser  <grosser@fim.uni-passau.de>
2718
2719         * tree-parloops.c (struct brli, build_reduction_list_info,
2720         analyze_reduction_list, gather_scalar_reductions): New.
2721         (loop_parallel_p): Build a reduction list containing only
2722         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2723         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2724         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2725         * tree-flow.h (gather_scalar_reductions): Declared.
2726
2727 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2728
2729         PR middle-end/39308
2730         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2731         number_of_iterations_exit from a gcc_assert.
2732
2733 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2734             Jan Sjodin  <jan.sjodin@amd.com>
2735
2736         * output.h (graphite_out_file, graphite_in_file): Declared.
2737         * toplev.c (graphite_out_file, graphite_in_file): New.
2738         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2739         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2740         Don't call schedule_to_scattering.
2741         * common.opt (fgraphite-write, fgraphite-read): New.
2742         * graphite-poly.c: Include output.h.
2743         (print_scattering_function, print_scattering_functions,
2744         debug_scattering_function, debug_scattering_functions,
2745         graphite_write_transforms, graphite_read_transforms,
2746         graphite_generate_scattering_fns): New.
2747         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2748         Call graphite_generate_scattering_fns, graphite_write_transforms,
2749         graphite_read_transforms.
2750         (new_poly_bb): Initialize PBB_SCATTERING.
2751         (free_poly_bb): Free PBB_SCATTERING.
2752         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2753         * graphite-poly.h (struct poly_bb): Add field scattering.
2754         (PBB_SCATTERING): New.
2755         (print_scattering_function, print_scattering_functions,
2756         debug_scattering_function, debug_scattering_functions): Declared.
2757         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2758         GMP values, not integers!
2759         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2760         ppl_read_polyhedron_matrix): New.
2761         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2762         debug_ppl_polyhedron_matrix,
2763         ppl_read_polyhedron_matrix): Declared.
2764         * Makefile.in (graphite-poly.o): Depends on output.h.
2765
2766 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2767             Tobias Grosser  <grosser@fim.uni-passau.de>
2768
2769         Revert this change:
2770         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2771         scalar evolutions in the scop_entry->loop_father.
2772
2773 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2774             Tobias Grosser  <grosser@fim.uni-passau.de>
2775
2776         * graphite.h (ref_nb_loops): Remove declaration.
2777         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2778         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2779         debug_gbb): Moved to sese.h.
2780         * sese.h: As said.
2781
2782 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2783             Tobias Grosser  <grosser@fim.uni-passau.de>
2784
2785         * graphite-data-ref.[ch]: Disable.
2786
2787 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2788             Tobias Grosser  <grosser@fim.uni-passau.de>
2789
2790         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2791         scalar evolutions in the scop_entry->loop_father.
2792
2793 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2796         (graphite_cannot_represent_loop_niter): Renamed
2797         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2798         (limit_scops): build_sese_loop_nests does not return a bool.
2799         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2800         * sese.c (nb_reductions_in_loop): ... from here.
2801         (graphite_loop_normal_form): ... from here.
2802         (sese_record_loop): Does not fail, so does not return a bool.
2803         (build_sese_loop_nests): Same.
2804         * sese.h (build_sese_loop_nests): Update declaration.
2805         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2806         (build_graphite_loop_normal_form): New.
2807         (gloog): Call build_graphite_loop_normal_form.
2808         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2809         build_sese_loop_nests.
2810
2811         * testsuite/gcc.dg/graphite/id-1.c: New.
2812
2813 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2814             Tobias Grosser  <grosser@fim.uni-passau.de>
2815
2816         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2817         The SCoP detection fix is sufficient.
2818
2819 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         PR tree-optimization/39260
2822         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2823         the basic block contains a condition with a real type.
2824         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2825
2826         * gcc.dg/graphite/pr39260.c: New.
2827
2828 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite-poly.c: Inlcude params.h.
2831         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2832         the size of a tile.
2833         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2834         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2835
2836 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2837             Tobias Grosser  <grosser@fim.uni-passau.de>
2838
2839         * graphite-scop-detection.c (dot_all_scops_1,
2840         dot_all_scops): Moved here.
2841         * graphite-scop-detection.h (dot_all_scops): Declared here.
2842         * graphite.c (graphite_initialize, graphite_finalize): New.
2843         (graphite_transform_loops): Cleaned up.
2844         * sese.c (debug_oldivs): Moved here.
2845         * graphite-poly.c (graphite_apply_transformations): Renamed
2846         apply_poly_transforms.
2847         (debug_loop_vec): Moved here.
2848         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2849         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2850         find_scop_parameters, build_scop_iteration_domain,
2851         add_conditions_to_constraints, build_scop_canonical_schedules,
2852         build_scop_data_accesses): Now static.
2853         (build_poly_scop, check_poly_representation): New.
2854
2855 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2858         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2859         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2860         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2861         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2862         scan_tree_for_params, struct irp_data, dx_record_params,
2863         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2864         build_loop_iteration_domains, add_conditions_to_domain,
2865         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2866         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2867         build_sese_conditions, add_conditions_to_constraints,
2868         build_scop_iteration_domain, build_access_matrix_with_af,
2869         build_access_matrix,
2870         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2871
2872         * graphite-sese-to-poly.c: New.
2873         * graphite-sese-to-poly.h: New.
2874
2875         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2876
2877 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         * graphite.c: Split graphite code generation to a new file.
2880         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2881         max_precision_type, clast_to_gcc_expression_red,
2882         clast_to_gcc_expression, gcc_type_for_clast_expr,
2883         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2884         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2885         graphite_create_new_guard, clast_get_body_of_loop,
2886         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2887         graphite_create_new_loop, build_iv_mapping, copy_renames,
2888         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2889         compute_cloog_iv_types, free_scattering, save_var_name,
2890         initialize_cloog_names, build_scop_context, build_cloog_prog,
2891         set_cloog_options, debug_clast_stmt, scop_to_clast,
2892         print_generated_program, debug_generated_program,
2893         gloog): Moved to graphite-clast-to-gimple.c.
2894
2895         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2896
2897         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2898         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2899         loop_iv_stack_pop, loop_iv_stack_get_iv,
2900         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2901         free_loop_iv_stack, loop_iv_stack_remove_constants,
2902         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2903         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2904         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2905         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2906         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2907         get_vdef_before_sese, sese_adjust_vphi,
2908         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2909         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2910         is_iv, expand_scalar_variables_ssa_name,
2911         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2912         expand_scalar_variables, rename_variables, remove_condition,
2913         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2914         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2915         default_liveout_before_guard, add_guard_exit_phis,
2916         insert_guard_phis, register_old_and_new_names,
2917         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2918         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2919         if_region_set_false_region, create_if_region_on_edge,
2920         move_sese_in_condition): Moved to sese.c.
2921
2922         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2923         if_region_exit, if_region_get_condition_block,
2924         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2925         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2926         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2927         ivtype_map_elt, new_ivtype_map_elt,
2928         recompute_all_dominators): Moved to sese.h.
2929
2930         * graphite-clast-to-gimple.c: New.
2931         * graphite-clast-to-gimple.h: New.
2932         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2933         * sese.c: Modified as said above.
2934         * sese.h: Same.
2935
2936 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * graphite.c: Split scop detection to a new file.
2939         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2940         move_sd_regions, loop_affine_expr, exclude_component_ref,
2941         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2942         graphite_cannot_represent_loop_niter, struct scopdet_info,
2943         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2944         find_single_entry_edge, find_single_exit_edge,
2945         create_single_entry_edge, sd_region_without_exit,
2946         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2947         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2948         Moved to graphite-scop-detection.c.
2949
2950         * graphite-scop-detection.c: New.
2951         * graphite-scop-detection.h: New.
2952         * Makefile.in: Add new rule for graphite-scop-detection.o.
2953
2954         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2955         tree-scalar-evolution.h.
2956         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2957         build_sese_loop_nests): Moved here from graphite.c.
2958         (param_index): Renamed parameter_index_in_region.
2959
2960 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2961             Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * gcc.dg/graphite/block-0.c: Expected to fail now.
2964         * gcc.dg/graphite/block-1.c: Same.
2965         * gcc.dg/graphite/block-5.c: Same.
2966         * gcc.dg/graphite/block-6.c: Same.
2967
2968 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2969             Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * graphite.h: Separate from graphite_bb_p the polyhedral
2972         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2973         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2974         graphite-data-ref.h.
2975         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2976         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2977         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2978         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2979         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2980         scop_nb_params): Moved to graphite-poly.h.
2981         * graphite-data-ref.c: Same.
2982         * graphite-data-ref.h: New.
2983         * graphite.c: Same.
2984         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2985         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2986         is_interchange_valid, graphite_trans_bb_block,
2987         graphite_trans_loop_block, scop_max_loop_depth,
2988         graphite_trans_scop_block, graphite_apply_transformations,
2989         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2990         graphite-poly.c.
2991         * graphite-poly.h: New.
2992         * graphite-poly.c: New.
2993         * Makefile.in (OBJS-common): Add graphite-poly.o.
2994         (graphite-poly.o): New rule.
2995         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2996         (DR_SCOP): Removed.
2997
2998 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2999             Tobias Grosser  <grosser@fim.uni-passau.de>
3000
3001         * graphite.c: Replace gb -> gbb.
3002         * graphite.h: Same.
3003         * graphite-data-ref.c: Same.
3004
3005 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3006             Tobias Grosser  <grosser@fim.uni-passau.de>
3007
3008         * Makefile.in (OBJS-commmon): Add sese.o.
3009         (sese.o): New.
3010         (graphite.o): Add sese.h.
3011         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3012         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3013         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3014         Move to sese.
3015         (block_before_scop): Add missing return.
3016         (new_scop, free_scop): Remove SESE data structures.
3017         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3018         find_scop_parameters, build_loop_iteration_domains,
3019         add_conditions_to_domain, register_scop_liveout_renames,
3020         copy_bb_and_scalar_dependences): Scop -> SESE.
3021
3022         (add_conditions_to_domain): SCoP -> SESE and remove check
3023         (scop_contains_non_iv_scalar_phi_nodes): New.
3024         (build_scop_conditions_1, build_scop_conditions): Remove check for
3025         non iv scalar phi nodes.
3026         (print_scop_statistics): New.
3027         (graphite_transform_loops): Cleanup.
3028
3029         * graphite.h: Move to sese & cleanup.
3030         * sese.c: New.
3031         * sese.h: New.
3032
3033 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3034             Tobias Grosser  <grosser@fim.uni-passau.de>
3035
3036         * graphite.c (build_scop_conditions_1): Conditions are only
3037         at the end of a basic block.
3038
3039 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3040             Tobias Grosser  <grosser@fim.uni-passau>
3041
3042         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3043         field.
3044         (GBB_ALPHA): Removed.
3045
3046 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3047             Tobias Grosser  <grosser@fim.uni-passau.de>
3048
3049         * graphite-data-ref.c (graphite_test_dependence): Don't use
3050         GBB_DYNAMIC_SCHEDULE.
3051         * graphite.c (new_graphite_bb): Same.
3052         (free_graphite_bb): Same.
3053         (build_scop_dynamic_schedules): Removed.
3054         (graphite_transform_loops): Don't call it.
3055         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3056         (GBB_DYNAMIC_SCHEDULE): Removed.
3057
3058 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3059             Tobias Grosser  <grosser@fim.uni-passau.de>
3060
3061         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3062         (print_graphite_bb): Same.
3063         (build_cloog_prog): Same.
3064
3065 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3066             Tobias Grosser  <grosser@fim.uni-passau.de>
3067
3068         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3069
3070 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3071             Tobias Grosser  <grosser@fim.uni-passau.de>
3072
3073         * graphite.c (build_scop_context): Don't use CloogMatrix.
3074         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3075         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3076
3077 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3078             Tobias Grosser  <grosser@fim.uni-passau.de>
3079
3080         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3081         liveout_renames, add_params fields...
3082         (struct sese): ... here.
3083         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3084         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3085
3086 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3087             Tobias Grosser  <grosser@fim.uni-passau.de>
3088
3089         * graphite.c (print_scop): Do not print the CLooG program.
3090         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3091         build_cloog_prog, gloog): Don't use SCOP_PROG.
3092         (find_transform): Renamed scop_to_clast.
3093         (print_generated_program, debug_generated_program): New.
3094         (graphite_transform_loops): Adapt to new interface.
3095         * graphite.h (struct scop): Remove program field.
3096         (SCOP_PROG): Removed.
3097         (print_generated_program, debug_generated_program): Declared.
3098
3099 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3100
3101         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3102         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3103         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3104         free_graphite_bb, build_scop_canonical_schedules,
3105         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3106         schedules are now represented using a ppl_Linear_Expression_t.
3107         * graphite.h (struct graphite_bb): Same.
3108         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3109         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3110
3111 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * graphite.c: Free local memory.
3114         * graphite-ppl.c: Same.
3115
3116 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3117
3118         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3119         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3120         swap_constraint_variables, scale_constraint_variable): Removed.
3121         (graphite_trans_bb_strip_mine): Remove pong.
3122         * graphite-ppl.c: Include missing header files.
3123         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3124         * graphite-ppl.h (ppl_strip_loop): Declared.
3125         * Makefile.in (graphite-ppl.o): Adjust dependences.
3126
3127 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3128
3129         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3130         (build_scop_iteration_domain): Same.
3131
3132 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3135         ping pong.
3136         (add_value_to_dim, scan_tree_for_params_right_scev,
3137         scan_tree_for_params_int): New.
3138         * graphite-ppl.c (oppose_constraint): New.
3139         (insert_constraint_into_matrix): Implement missing cases.
3140         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3141
3142 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3143
3144         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3145         use ppl_move_dimension.
3146
3147 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3148
3149         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3150         * graphite.c: Same.
3151         * graphite.h: Same.
3152         * graphite-ppl.c: Same.
3153         * graphite-ppl.h: Same.
3154
3155 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         Revert last 3 commits.
3158
3159 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3160
3161         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3162         ping pong.
3163         (add_value_to_dim, scan_tree_for_params_right_scev,
3164         scan_tree_for_params_int): New.
3165         * graphite-ppl.c (oppose_constraint): New.
3166         (insert_constraint_into_matrix): Implement missing cases.
3167         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3168
3169 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3172
3173 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3174             Tobias Grosser  <grosser@fim.uni-passau.de>
3175
3176         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3177         use ppl_move_dimension.
3178         * graphite-ppl.c (ppl_move_dimension): New.
3179         * graphite-ppl.h (ppl_move_dimension): Declared.
3180
3181 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite.c: Do not include cloog/cloog.h.
3184         (print_graphite_bb): Remove ping pong, call PPL print function.
3185
3186 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3187
3188         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3189         (graphite.o): Add dependence on graphite-ppl.h.
3190         (graphite-ppl.o): New.
3191         (graphite-data-ref.c): Ping pong between PPL data structures
3192         and matrices.
3193         * graphite-ppl.c: New.
3194         * graphite-ppl.h: New.
3195         * graphite.c: Include graphite-ppl.h.
3196         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3197         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3198         Ping pong between PPL data structures and matrices.
3199         (new_graphite_bb): Create a PPL constraint system.
3200         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3201         (build_loop_iteration_domains): Use PPL functions.
3202         * graphite.h: Include graphite-ppl.h.  Fix comments.
3203         (graphite_bb): Use a ppl_Constraint_System_t instead of
3204         CloogMatrix for representing the domain.
3205         (scop): Remove static_schedule.
3206         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3207
3208 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * graphite.c: Fix some comments.
3211
3212 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         PR middle-end/38953
3215         * graphite.c (if_region_set_false_region): After moving a region
3216         in the false branch of a condition, remove the empty dummy
3217         basic block.
3218         (gloog): Remove wrong fix for PR38953.
3219
3220 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3221
3222         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3223         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3224         register_bb_in_sese, new_sese, free_sese): Moved.
3225         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3226         outermost_loop_in_scop, build_scop_iteration_domain,
3227         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3228         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3229         Use loop_in_sese_p instead of loop_in_scop_p.
3230         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3231         (free_scop): Do not free SCOP_BBS_B.
3232         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3233         ref_nb_loops): Moved here...
3234         * graphite.h (ref_nb_loops): ... from here.
3235         (struct scop): Remove bbs_b bitmap.
3236         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3237         * testsuite/gcc.dg/graphite/scop-19.c: New
3238
3239 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3240
3241         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3242         detection.
3243
3244 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3245
3246         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3247         eq_loop_to_cloog_loop): Remove.
3248         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3249         * graphite.h (struct scop): Remove loop2cloog_loop.
3250         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3251
3252 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3253
3254         * opts.c (decode_options): Only add graphite options to O2
3255         if we compile with graphite enabled.
3256
3257 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3258
3259         * Merge from mainline (r143163:143684).
3260
3261 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite.c (debug_value): Removed.
3264         * graphite.h (debug_value): Removed.
3265
3266 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3267
3268         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3269         after graphite: pass_copy_prop does not maintain a proper loop closed
3270         SSA form.  pass_copy_prop should be fixed.
3271
3272 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3273
3274         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3275
3276 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3279         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3280         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3281         changed the CFG.
3282
3283 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         * graphite.c (gloog): Return true when code gen succeeded.
3286         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3287         the code of the function did not changed.  After cleanup_tree_cfg
3288         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3289         form.
3290
3291 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3292
3293         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3294         gimple_call_lhs is NULL.
3295
3296 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3297             Tobias Grosser  <tobi.grosser@amd.com>
3298
3299         * graphite.c (graphite_trans_scop_block): Do not block single
3300         nested loops.
3301
3302 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3303             Tobias Grosser  <tobi.grosser@amd.com>
3304
3305         * graphite.c (build_scop_canonical_schedules): Start schedules at
3306         zero.
3307
3308 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3309             Tobias Grosser  <tobi.grosser@amd.com>
3310
3311         * graphite.c (compare_prefix_loops): New.
3312         (build_scop_canonical_schedules): Rewritten.
3313         (graphite_transform_loops): Move build_scop_canonical_schedules
3314         after build_scop_iteration_domain.
3315
3316 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3317             Tobias Grosser  <tobi.grosser@amd.com>
3318
3319         * graphite.c (add_conditions_to_domain): Add the loops to
3320         the dimension of the iteration domain.  Do copy the domain
3321         only when it exists.
3322         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3323         (add_conditions_to_constraints): New.
3324         (can_generate_code_stmt, can_generate_code): Removed.
3325         (gloog): Do not call can_generate_code.
3326         (graphite_transform_loops): Call add_conditions_to_constraints
3327         after building the iteration domain.
3328
3329 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3330             Tobias Grosser  <tobi.grosser@amd.com>
3331             Jan Sjodin  <jan.sjodin@amd.com>
3332
3333         * graphite.c (scan_tree_for_params): On substractions negate
3334         all the coefficients of the term.
3335         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3336         of more than two operands.
3337         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3338         (get_vdef_before_scop): Handle also the case of default definitions.
3339
3340 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         PR middle-end/38431
3343         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3344         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3345         (gloog): Do not call cleanup_tree_cfg.
3346         (graphite_transform_loops): Call cleanup_tree_cfg after all
3347         scops have been code generated.
3348
3349 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * passes.c (init_optimization_passes): Schedule after
3352         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3353
3354 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3355
3356         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3357         Fix comment.
3358         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3359         Set the type of an expression to the type of its assign statement.
3360         (expand_scalar_variables_expr):  Do not pass loop_p.
3361         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3362         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3363         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3364
3365 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3366
3367         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3368         an expression to the gimple_expr_type of its assign statement.
3369         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3370         or tcc_declaration.
3371
3372 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         PR tree-optimization/38786
3375         * testsuite/gcc.dg/graphite/pr38786.c: New.
3376         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3377         the SSA_NAME case of expand_scalar_variables_expr.
3378         (expand_scalar_variables_expr): Also gather the scalar computation
3379         used to index the memory access.
3380         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3381         the gimple_stmt_iterator where it inserts new code.
3382
3383 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3384
3385         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3386
3387 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * opts.c (decode_options): Enable flag_graphite_identity and
3390         flag_loop_block in -O2 and above.
3391
3392 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3395         Fix merge problem: replace with the file from trunk.
3396
3397 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3398
3399         * Merge from mainline (r141727:143163).
3400
3401 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3402             Jan Sjodin  <jan.sjodin@amd.com>
3403
3404         PR tree-optimization/38559
3405         * testsuite/gcc.dg/graphite/pr38559.c: New.
3406
3407         * graphite.c (debug_value, copy_constraint,
3408         swap_constraint_variables, scale_constraint_variable, ): New.
3409         (get_lower_bound, get_upper_bound): Removed.
3410         (graphite_trans_bb_strip_mine): Clean up this code that works
3411         only for constant number of iterations.  Fully copy upper and
3412         lower bound constraints, not only the constant part of them.
3413         * graphite.h (debug_value): Declared.
3414
3415 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3416
3417         PR tree-optimization/38492
3418         PR tree-optimization/38498
3419         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3420         * tree-chrec.h (scev_is_linear_expression): Declared.
3421         * graphite.c (graphite_cannot_represent_loop_niter): New.
3422         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3423         (graphite_loop_normal_form): Use gcc_assert.
3424         (scan_tree_for_params): Use CASE_CONVERT.
3425         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3426         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3427         Use gcc_assert.  Discard scops that contain unhandled cases.
3428         (build_scop_conditions): Return a boolean status for unhandled cases.
3429         (strip_mine_profitable_p): Print the loop number, not its depth.
3430         (is_interchange_valid): Pass the depth of the loop nest, don't
3431         recompute it wrongly.
3432         (graphite_trans_bb_block): Same.
3433         (graphite_trans_bb_block): Print tentative of loop blocking.
3434         (graphite_trans_scop_block): Do not print that the loop has been
3435         blocked.
3436         (graphite_transform_loops): Do not handle scops that contain condition
3437         scalar phi nodes.
3438
3439         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3440         in trunk.
3441         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3442         * testsuite/gcc.dg/graphite/block-1.c: Same.
3443         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3444         blocking.
3445         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3446         * testsuite/gcc.dg/graphite/block-3.c: New.
3447         * testsuite/gcc.dg/graphite/pr38498.c: New.
3448
3449 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3450
3451         PR tree-optimization/38510
3452         * gcc.dg/graphite/pr38510.c: New.
3453         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3454           (translate_clast): Call recompute_all_dominators before
3455           graphite_verify.
3456           (gloog): Call recompute_all_dominators before graphite_verify.
3457
3458 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3459
3460         PR tree-optimization/38492
3461         * graphite.c (rename_map_elt, debug_rename_elt,
3462         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3463         rename_map_elt_info, eq_rename_map_elts,
3464         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3465         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3466         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3467         (sese_build_livein_liveouts): New.
3468         (new_sese, free_sese): New.
3469         (new_scop): Call new_sese.
3470         (free_scop): Call free_sese.
3471         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3472         (register_old_new_names): Renamed register_old_and_new_names.
3473         (register_scop_liveout_renames, add_loop_exit_phis,
3474         insert_loop_close_phis, struct igp,
3475         default_liveout_before_guard, add_guard_exit_phis,
3476         insert_guard_phis, copy_renames): New.
3477         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3478         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3479         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3480         (scop_adjust_phis_for_liveouts): New.
3481         (gloog): Call scop_adjust_phis_for_liveouts.
3482
3483         * graphite.h (struct sese): Documented.  Added fields liveout,
3484         num_ver and livein.
3485         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3486         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3487         (struct scop): Added field liveout_renames.
3488         (SCOP_LIVEOUT_RENAMES): New.
3489
3490 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3491
3492         PR tree-optimization/38409
3493         * gcc.dg/graphite/pr38409.c: New.
3494         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3495
3496 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3497
3498         * graphite.c (gcc_type_for_cloog_iv): By default return
3499         integer_type_node.
3500         (graphite_create_new_loop): Don't fold_convert the already
3501         fold_convert-ed expression.
3502
3503 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3504
3505         PR tree-optimization/38446
3506         * gcc.dg/graphite/pr38446.c: New.
3507         * graphite.c (register_bb_in_sese): New.
3508         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3509         looking at the bbs in the region.
3510         * graphite.h (sese): Add region_basic_blocks pointer set to
3511         structure and initialize at the time of defining new scop.
3512
3513 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3514
3515         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3516         (find_params_in_bb): Do not free data refs.
3517         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3518
3519 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3522         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3523         * testsuite/gcc.dg/graphite/block-5.c: New.
3524         * testsuite/gcc.dg/graphite/block-6.c: New.
3525         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3526         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3527         * testsuite/gcc.dg/graphite/block-2.c: Same.
3528
3529         * graphite.c (struct ivtype_map_elt): New.
3530         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3531         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3532         gcc_type_for_cloog_iv): New.
3533         (loop_iv_stack_patch_for_consts): Use the type of the induction
3534         variable from the original loop, except for the automatically
3535         generated loops, i.e., in the case of a strip-mined loop, in
3536         which case there is no original loop: in that case just use
3537         integer_type_node.
3538         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3539         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3540         (clast_name_to_gcc): Accept params to be NULL.
3541         (clast_to_gcc_expression): Take an extra parameter for the type.
3542         Convert to that type all the expressions built by this function.
3543         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3544         (graphite_translate_clast_equation): Compute the type of the
3545         clast_equation before translating its LHS and RHS.
3546         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3547         (graphite_create_new_loop): Compute the type of the induction
3548         variable before translating the lower and upper bounds and before
3549         creating the induction variable.
3550         (rename_variables_from_edge, rename_phis_end_scop): New.
3551         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3552         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3553         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3554         compute_cloog_iv_types): New.
3555         (gloog): Call compute_cloog_iv_types before starting the
3556         translation of the clast.
3557
3558         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3559         (GBB_CLOOG_IV_TYPES): New.
3560         (debug_ivtype_map): Declared.
3561         (oldiv_for_loop): New.
3562
3563 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3564
3565         PR middle-end/38459
3566         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3567         (param_index): Assert if parameter is not know after parameter
3568         detection.
3569         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3570         (find_scop_parameters): Mark, that we have finished parameter
3571         detection.
3572         (graphite_transform_loops): Move condition detection before parameter
3573         detection.
3574         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3575         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3576
3577 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3578
3579         * graphite.c (graphite_transform_loops): Always call find_transform ()
3580         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3581         generate code.
3582
3583 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3584
3585         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3586         (print_scop): Ditto.
3587
3588 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3589
3590         PR middle-end/38084
3591         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3592         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3593         regions more than once.
3594
3595 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3598         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3599         when not needed.
3600
3601 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3602
3603         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3604         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3605         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3606         (max_precision_type): New.
3607         (value_clast): Removed.
3608         (clast_to_gcc_expression): Be more careful to types of expressions.
3609         Use max_precision_type and update use of gmp_cst_to_tree.
3610         (graphite_translate_clast_equation): Use max_precision_type.
3611         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3612         use the type of the condition.
3613         (graphite_create_new_loop): Do not use integer_type_node, use the
3614         max_precision_type of lb and ub.
3615
3616 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3617
3618         * graphite.c (build_scops_1): Initialize open_scop.exit
3619         and sinfo.last.
3620
3621 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * testsuite/gcc.dg/graphite/pr38084.c: New.
3624         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3625         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3626         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3627         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3628         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3629
3630 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3631             Jan Sjodin  <jan.sjodin@amd.com>
3632             Harsha Jagasia  <harsha.jagasia@amd.com>
3633
3634         PR middle-end/37852
3635         PR middle-end/37883
3636         PR middle-end/37928
3637         PR middle-end/37980
3638         PR middle-end/38038
3639         PR middle-end/38039
3640         PR middle-end/38073
3641         PR middle-end/38083
3642         PR middle-end/38125
3643
3644         * testsuite/gcc.dg/graphite/pr38073.c: New.
3645         * testsuite/gcc.dg/graphite/pr37928.c: New.
3646         * testsuite/gcc.dg/graphite/pr37883.c: New.
3647         * testsuite/gcc.dg/graphite/pr38125.c: New.
3648         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3649         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3650         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3651
3652         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3653         the number of detected scops.  Copy exact same test for loop
3654         blocking...
3655         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3656         loops to be blocked as reductions are not handled.
3657         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3658
3659         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3660         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3661         ...here.
3662         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3663         * Makefile.in (graphite.o): Depend on value-prof.h.
3664         (graphite.o-warn): Removed -Wno-error.
3665         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3666         to be a NULL pointer.  Call update_stmt.  Return the newly created
3667         cannonical induction variable.
3668
3669         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3670
3671         * graphite.c: Reimplement the code generation from graphite to gimple.
3672         Include value-prof.h.
3673         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3674         (get_old_iv_from_ssa_name): Removed.
3675         (graphite_stmt_p): New.
3676         (new_graphite_bb): Test for useful statements before building a
3677         graphite statement for the basic block.
3678         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3679         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3680         reason.
3681         (recompute_all_dominators, graphite_verify,
3682         nb_reductions_in_loop, graphite_loop_normal_form): New.
3683         (scop_record_loop): Call graphite_loop_normal_form.
3684         (build_scop_loop_nests): Iterate over all the blocks of the
3685         function instead of relying on the incomplete information from
3686         SCOP_BBS.  Return the success of the operation.
3687         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3688         (add_bb_domains): Removed.
3689         (build_loop_iteration_domains): Don't call add_bb_domains.
3690         Add the iteration domain only to the basic blocks that have been
3691         translated to graphite.
3692         (build_scop_conditions_1): Add constraints only if the basic
3693         block have been translated to graphite.
3694         (build_scop_data_accesses): Completely disabled until data
3695         dependence is correctly implemented.
3696         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3697         (remove_all_edges_1, remove_all_edges): Removed.
3698         (get_new_name_from_old_name): New.
3699         (graphite_rename_variables_in_stmt): Renamed
3700         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3701         Use replace_exp and update_stmt.
3702         (is_old_iv): Renamed is_iv.
3703         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3704         Use replace_exp and update_stmt.
3705         (expand_scalar_variables_expr): Same.  Use the map to get the
3706         new names for the renaming of induction variables and for the
3707         renaming of variables after a basic block has been copied.
3708         (expand_scalar_variables): Same.
3709         (graphite_rename_variables): Renamed rename_variables.
3710         (move_phi_nodes): Removed.
3711         (get_false_edge_from_guard_bb): New.
3712         (build_iv_mapping): Do not insert the induction variable of a
3713         loop in the renaming iv map if the basic block does not belong
3714         to that loop.
3715         (register_old_new_names, graphite_copy_stmts_from_block,
3716         copy_bb_and_scalar_dependences): New.
3717         (translate_clast): Heavily reimplemented: copy basic blocks,
3718         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3719         At each translation step call graphite_verify ensuring the
3720         consistency of the SSA, loops and dominators information.
3721         (collect_virtual_phis, find_vdef_for_var_in_bb,
3722         find_vdef_for_var_1, find_vdef_for_var,
3723         patch_phis_for_virtual_defs): Removed huge hack.
3724         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3725         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3726         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3727         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3728         if_region_get_condition_block, if_region_set_false_region,
3729         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3730         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3731         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3732         rewrite_into_sese_closed_ssa): New.
3733         (gloog): Remove dead code.  Early return if code cannot be
3734         generated.  Call cleanup_tree_cfg once the scop has been code
3735         generated.
3736         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3737         block loops with less than two loops.
3738         (graphite_apply_transformations): Remove the call to
3739         scop_remove_ignoreable_gbbs.
3740         (limit_scops): When build_scop_loop_nests fails, continue on
3741         the next scop.  Fix open_scop.entry.
3742         (graphite_transform_loops): Call recompute_all_dominators: force the
3743         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3744         Call initialize_original_copy_tables and free_original_copy_tables
3745         to be able to copy basic blocks during code generation.
3746         When build_scop_loop_nests fails, continue on next scop.
3747         (value_clast): New union.
3748         (clast_to_gcc_expression): Fix type cast warning.
3749
3750 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * Merge from mainline (r140838:141727).
3753
3754 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3755
3756         PR middle-end/37833
3757
3758         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3759
3760 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3761
3762         PR middle-end/37943
3763
3764         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3765         exits and conditions.
3766         * testsuite/gcc.dg/graphite/pr37943.c: New.
3767
3768 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3769
3770         PR middle-end/37886
3771         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3772
3773 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3774
3775         * doc/invoke.texi: Fix spaces.
3776
3777 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         PR tree-optimization/37891
3780         Reverted last commit.
3781         * graphite.c (create_single_entry_edge): Set
3782         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3783
3784 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3785             Mitul Thakkar  <mitul.thakkar@amd.com>
3786
3787         * graphite.c (create_single_entry_edge): Set
3788         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3789
3790 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3791
3792         * doc/invoke.texi: Add -fgraphite-identity.
3793         * graphite.c (graphite_apply_transformations): Check for
3794         -fgraphite-identity.
3795         * toplev.c (process_options): Add flag_graphite_identity.
3796         * tree-ssa-loop.c: Add flag_graphite_identity.
3797
3798 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3799
3800         Undo changes from 2008-10-02:
3801         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3802         operand type when copying the operand to a variable of different type.
3803         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3804         with the IV name after increment.
3805
3806 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3807             Harsha Jagasia  <harsha.jagasia@amd.com>
3808
3809         PR tree-optimization/37828
3810         * testsuite/gcc.dg/graphite/pr37828.c: New.
3811         * graphite.c (graphite_trans_loop_block): Do not loop block
3812         single nested loops.
3813
3814 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3815             Sebastian Pop  <sebastian.pop@amd.com>
3816
3817         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3818         rename_map_elt_info, eq_rename_map_elts): New.
3819         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3820         (expand_scalar_variables_expr): Change parameters.
3821         (expand_scalar_variables_stmt): Same.
3822         (expand_scalar_variables): Same.
3823         (graphite_rename_ivs): Rename graphite_rename_variables.
3824         (build_iv_mapping): New.
3825         (translate_clast): Call build_iv_mapping.
3826         * graphite.h (gbb_p): New name.
3827
3828 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3829
3830         PR tree-optimization/37684
3831         * gcc.dg/graphite/pr37684.c: New.
3832         * graphite.c (exclude_component_ref): New.
3833         (is_simple_operand): Call exclude_component_ref.
3834
3835 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3836             Harsha Jagasia  <harsha.jagasia@amd.com>
3837
3838         PR tree-optimization/37485
3839         * gcc.dg/graphite/block-2.c: New
3840         * graphite.c (gmp_cst_to_tree): Moved.
3841         (iv_stack_entry_is_constant): New.
3842         (iv_stack_entry_is_iv): New.
3843         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3844         (loop_iv_stack_insert_constant): New.
3845         (loop_iv_stack_pop): Use new datatpype.
3846         (loop_iv_stack_get_iv): Same.
3847         (loop_iv_stack_get_iv_from_name): Same.
3848         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3849         (loop_iv_stack_patch_for_consts): New.
3850         (loop_iv_stack_remove_constants): New.
3851         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3852         (translate_clast): Call loop_iv_stack_patch_for_consts and
3853         loop_iv_stack_remove_constants.
3854         (gloog): Use new datatype.  Redirect construction edge to end
3855         block to avoid accidental deletion.
3856         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3857         iv stack entry.
3858         (union iv_stack_entry_data): New.  Data in iv stack entry.
3859         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3860
3861 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3864         operand type when copying the operand to a variable of different type.
3865
3866 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3869         with the IV name after increment.
3870
3871 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3872
3873         * Merge from mainline (r140164:140838).
3874
3875 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3876
3877         * graphite-data-ref.c: New.
3878         * graphite.c (print_scop): Also dump the dependence graph.
3879         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3880         (new_scop): Initialize SCOP_DEP_GRAPH.
3881         (build_scop_dynamic_schedules): New.
3882         (build_access_matrix_with_af): Fixed column numbering.
3883         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3884         * graphite.h: Add ifndef/define guards against multiple inclusion.
3885         (struct scop): Add dep_graph field.
3886         (SCOP_DEP_GRAPH): Defined.
3887         (ref_nb_loops): Fixed and moved to other position.
3888         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3889         (nb_loops_around_loop_in_scop): New.
3890         (graphite_dump_dependence_graph): Declared.
3891         (graphite_build_rdg_all_levels): Declared.
3892         (graphite_test_dependence): Declared.
3893         * Makefile.in (graphite-data-ref.o): New target.
3894
3895 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3896
3897         * Merge from mainline (139870:140164).
3898
3899 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * Merge from mainline (138275:139870).
3902         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3903         the commits from trunk broke the niter detection.
3904
3905 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3906