gcc/ChangeLog.graphite

   1 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
   4         all_components_are_cliques to 1.
   5
   6 2009-10-20  Li Feng  <nemokingdom@gmail.com>
   7
   8         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
   9         the new structure.
  10         (pdr_add_alias_set): Update retrieving alias_set_num.
  11         (build_poly_dr): Update retrieving dr_base_object_set.
  12         (partition_drs_to_sets): Remove.
  13         (build_alias_set_optimal_p): New.
  14         (build_alias_set_for_drs): Rename.
  15         (build_scop_drs): Update.
  16         * graphite-sese-to-poly.h (struct base_alias_pair): New.
  17         (ALIAS_SET_INDEX): Remove.
  18         (BASE_OBJECT_SET_INDEX): Remove.
  19
  20 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
  23
  24 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  25
  26         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
  27         loop upper bounds for 1-element arrays at end of structures.
  28         * tree-flow.h (array_at_struct_end_p): Declared.
  29         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
  30
  31 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         * g++.dg/graphite/pr41305.C: New.
  34
  35 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
  36
  37         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
  38         construction of parameter constraints from loop iteration analysis.
  39         * gcc.dg/graphite/run-id-2.c: New test.
  40
  41 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  42
  43         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
  44         and new_cstr.
  45
  46 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  47
  48         * graphite-dependences.c (dependence_polyhedron_1): Remove
  49         unused gdim dimensions from the DDR polyhedron.
  50
  51 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         * graphite-dependences.c (pddr_transformed_scattering): New.
  54         (dot_original_deps_stmt_1): New.
  55         (dot_transformed_deps_stmt_1): New.
  56         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
  57         dot_transformed_deps_stmt_1.
  58         (dot_original_deps): New.
  59         (dot_transformed_deps): New.
  60         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
  61
  62 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  63
  64         * graphite-dependences.c (reduction_dr_1): Remove wrong
  65         assert: reduction BBs can have multiple reduction writes
  66         to memory.  interchange-3.f90 is an example.
  67
  68 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         * gfortran.dg/graphite/interchange-3.f90: New.
  71
  72 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
  75
  76 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  77
  78         * graphite-dependences.c (dependence_polyhedron_1): Add the
  79         context to the dependence polyhedron.
  80
  81 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
  84         PBB_PDR_DUPLICATES_REMOVED.
  85         (new_poly_bb): Same.
  86
  87 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  88
  89         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
  90         SCOP_CONTEXT.
  91         (build_loop_iteration_domains): Extract bounds on parameters
  92         based on the data size.
  93         (build_scop_context): Do not initialize SCOP_CONTEXT;
  94         add new constraints.
  95
  96 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
  99         * graphite-ppl.h (graphite-ppl.h): Declared.
 100
 101 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         * graphite-ppl.c (ppl_print_linear_expr): New.
 104         (debug_ppl_linear_expr): New.
 105         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 106         (debug_ppl_linear_expr): Declared.
 107
 108 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 109
 110         * graphite-interchange.c: Fix comments.
 111         * gcc.dg/graphite/block-1.c: Fix comments.
 112
 113 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 114
 115         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 116         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 117
 118 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 119
 120         Reapply the patch from Alexander Monakov that disappeared during
 121         the last merges from trunk.
 122
 123         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 124
 125         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 126         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 127
 128 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         * graphite-interchange.c (memory_stride_in_loop): The depth
 131         argument corresponds to a dynamic time dimension, so use
 132         psct_dynamic_dim to refer to the transformed scattering dimension.
 133
 134 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 135
 136         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 137
 138 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 139
 140         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 141         root of the LST.
 142         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 143         the root of the LST.
 144         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 145         fake loop.
 146         (print_lst): Print the root of LST in a different format.
 147         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 148
 149 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 152
 153 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * doc/passes.texi: Document the Graphite infrastructure.
 156
 157 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 158
 159         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 160         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 161         and check the SSA representation.
 162
 163         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 164
 165 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 168
 169 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 170
 171         * gcc.dg/graphite/interchange-11.c: New.
 172
 173 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 174
 175         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 176
 177 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 180         Add -fno-loop-strip-mine and -fno-loop-interchange.
 181         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 182         -fno-loop-strip-mine.
 183         * gfortran.dg/graphite/graphite.exp: Same.
 184
 185 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 188         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 189         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 190         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 191         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 192         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 193         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 194         DEFAULT_FLAGS_GRAPHITE_SCOP.
 195         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 196         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 197
 198 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 199
 200         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 201
 202 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 203             Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         * graphite-interchange.c (build_linearized_memory_access): Pass an
 206         offset as parameter.
 207         (memory_stride_in_loop): Include transform scattering in the
 208         access functions to be able to querry the strides in the
 209         transformed loops.
 210         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 211         not the psct_iterator_dim.
 212
 213 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 214
 215         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 216         (lst_do_strip_mine_loop): New.
 217         (lst_do_strip_mine): New.
 218         (scop_do_strip_mine): Call lst_do_strip_mine.
 219         * graphite-poly.h (lst_add_loop_under_loop): New.
 220         (lst_find_first_pbb): New.
 221
 222 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-poly.c (loop_to_lst): Fix LST creation.
 225
 226 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 227
 228         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 229         sizeof(unsigned long) to make it run on 32bit systems.
 230
 231 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 232
 233         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 234         SEGFAULT on 32bit.
 235
 236 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 237
 238         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 239         Comment.
 240         (write_alias_graph_to_ascii_dot): New.
 241         (write_alias_graph_to_ascii_ecc): Ditto.
 242         (partition_drs_to_sets): Add testing of optimality of current method
 243         which assigns alias numbers according to DFS Comopnent number.  used
 244         as heuristic for the upcoming ECC algorithm.
 245         (build_scop_drs): Write to file also with the ecc and dot format.
 246
 247 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 248
 249         * gfortran.dg/graphite/interchange-1.f: XFail.
 250
 251 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 252
 253         * graphite.c (graphite_initialize): Do not handle functions with
 254         more than 100 basic blocks.
 255
 256 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 257
 258         * graphite-blocking.c (pbb_do_strip_mine): Use
 259         PARAM_LOOP_BLOCK_TILE_SIZE.
 260
 261 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         * graphite-poly.c (dot_lst_1): New.
 264         (dot_lst): New.
 265         * graphite-poly.h (dot_lst): Declared.
 266
 267 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         * graphite-dependences.c (dot_deps_stmt_1): New.
 270         (dot_deps_stmt): New.
 271         * graphite-dependences.h (dot_deps_stmt): Declared.
 272
 273 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 274
 275         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 276         not replace cross BB scalar dependences ending on PHI nodes.
 277         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 278
 279 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 280
 281         * graphite-poly.c (apply_poly_transforms): Implement the high
 282         level driver for flag_loop_block.
 283         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 284         flag_loop_block.
 285
 286         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 287         -floop-block.
 288         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 289         Add -floop-block.
 290
 291 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * graphite-poly.h (lst_find_pbb): New.
 294         (find_lst_loop): New.
 295
 296 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 297
 298         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 299         * graphite-poly.h (struct scop): Remove dep_graph field.
 300         (SCOP_DEP_GRAPH): Removed.
 301
 302 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-poly.h (copy_lst): Do full copy of LST.
 305
 306 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 309         when the loop stride is zero.
 310
 311         * gcc.dg/graphite/id-16.c: New.
 312
 313 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * graphite-dependences.c (reduction_dr_1): New.
 316         (reduction_dr_p): New.
 317         (graphite_legal_transform_dr): Call reduction_dr_p.
 318         (reduction_ddr): Renamed reduction_ddr_p.
 319         * graphite-poly.h (same_pdr_p): New.
 320         (number_of_write_pdrs): New.
 321         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 322         (split_reduction_stmt): Do not split reduction statements
 323         when there are no writes to memory.
 324         (translate_scalar_reduction_to_array_for_stmt): Insert the
 325         memory reduction statement just after the scalar reduction statement.
 326
 327         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 328         Un-XFAIL-ed.
 329         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 330         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 331
 332 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 333
 334         * graphite-interchange.c (lst_apply_interchange): New.
 335         (lst_interchange_profitable_p): New.
 336         (lst_try_interchange_loops): New.
 337         (lst_try_interchange): New.
 338         (lst_do_interchange): New.
 339         (pbb_do_interchange): Removed.
 340         (scop_do_interchange): Call lst_do_interchange.
 341
 342 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 345         SCOP_TRANSFORMED_SCHEDULE.
 346         (loop_to_lst): New.
 347         (scop_to_lst): New.
 348         (print_lst): New.
 349         (debug_lst): New.
 350         * graphite-poly.h (lst_p): New.
 351         (struct lst): New.
 352         (LST_LOOP_P): New.
 353         (LST_LOOP_FATHER): New.
 354         (LST_PBB): New.
 355         (LST_SEQ): New.
 356         (scop_to_lst): Declared.
 357         (print_lst): Declared.
 358         (debug_lst): Declared.
 359         (new_lst_loop): New.
 360         (new_lst_stmt): New.
 361         (copy_lst): New.
 362         (lst_depth): New.
 363         (lst_dewey_number): New.
 364         (struct scop): Add original_schedule and transformed_schedule fields.
 365         (SCOP_ORIGINAL_SCHEDULE): New.
 366         (SCOP_TRANSFORMED_SCHEDULE): New.
 367         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 368
 369 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 370
 371         * graphite-dependences.c (reduction_ddr): New.
 372         (graphite_legal_transform_bb): Call reduction_ddr.
 373         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 374         Initialize PBB_IS_REDUCTION.
 375         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 376         (PBB_IS_REDUCTION): New.
 377         (new_poly_bb): Update declaration.
 378         * graphite-scop-detection.h (build_scop_bbs): Removed.
 379         (nb_reductions_in_loop): Removed.
 380         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 381         parameter for reductions.
 382         (try_generate_gimple_bb): Update call to new_poly_bb.
 383         (build_scop_bbs_1): Same.
 384         (build_scop_bbs): Same.
 385         (gsi_for_phi_node): New.
 386         (scalar_close_phi_node_p): Remove gcc_assert.
 387         (split_reduction_stmt): New.
 388         (is_reduction_operation_p): New.
 389         (phi_contains_arg): New.
 390         (follow_ssa_with_commutative_ops): New.
 391         (detect_commutative_reduction_arg): New.
 392         (detect_commutative_reduction_assign): New.
 393         (follow_inital_value_to_phi): New.
 394         (edge_initial_value_for_loop_phi): New.
 395         (initial_value_for_loop_phi): New.
 396         (detect_commutative_reduction): New.
 397         (translate_scalar_reduction_to_array_for_stmt): New.
 398         (insert_copyout): New.
 399         (insert_copyin): New.
 400         (translate_scalar_reduction_to_array): New.
 401         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 402         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 403         (rewrite_commutative_reductions_out_of_ssa): New.
 404         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 405         * sese.h (split_region_for_bb): New.
 406
 407         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 408         * gcc.dg/graphite/interchange-1.c: Fix format.
 409         * gcc.dg/graphite/interchange-10.c: New.
 410
 411 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 414         buggy assert.
 415
 416 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 417
 418         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 419         (rewrite_cross_bb_scalar_dependence): New.
 420         (rewrite_cross_bb_scalar_deps): New.
 421         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 422         Call rewrite_cross_bb_scalar_deps.
 423
 424 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 427         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 428         gsi_for_stmt.
 429
 430 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 433         * graphite-interchange.c (pbb_do_interchange): Same.
 434         * graphite-poly.c (print_scattering_function): Same.
 435         (debug_pdrs): Same.
 436         * graphite-poly.h (pbb_loop): New.
 437         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 438
 439 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 442
 443 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 446         so don't pass a pointer to it.
 447         (build_alias_set_for_drs): Same.
 448         (build_base_obj_set_for_drs): Same.
 449         (build_scop_drs): Same.
 450
 451 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 452
 453         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 454         the alias graph of data references.
 455
 456 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 457
 458         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 459         (build_scop_drs): When debugging, write the alias graph to file,
 460         otherwise, should be disabled.
 461
 462 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 463
 464         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 465         (is_simple_operand): Remove call to stmt_simple_memref_p.
 466         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 467
 468 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 469
 470         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 471         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 472         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 473         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 474         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 475
 476 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 477
 478         PR middle-end/41118
 479         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 480         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 481         (graphite_carried_dependence_level_k): Ditto.
 482         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 483         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 484         (new_poly_dr): Adjust declaration.
 485         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 486         (free_gimple_bb): Added free_data_refs_aux.
 487         (build_poly_dr): Add dr_base_object_set.
 488         (partition_drs_to_sets): New.
 489         (dr_same_base_object_p): New.
 490         (build_alias_set_for_drs): New.
 491         (build_base_object_set_for_drs): New.
 492         (build_scop_drs): Add build_base_obj_set_for_drs.
 493         * graphite-sese-to-poly.h: Added #define for alias set number index and
 494         base object set index.
 495         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 496         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 497
 498 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 499
 500         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 501         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 502
 503 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * graphite-sese-to-poly.c (struct irp_data): Removed.
 506         (idx_record_params): Removed.
 507         (find_params_in_bb): Scan for parameters the access functions; don't
 508         parse the tree representation.
 509
 510 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 513         passes at -O1 and below.
 514
 515 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 518         tree-scalar-evolution.h, and then tree-data-ref.h.
 519         * graphite-clast-to-gimple.c: Same.
 520         * graphite-dependences.c: Same.
 521         * graphite-interchange.c: Same.
 522         * graphite-poly.c: Same.
 523         * graphite-scop-detection.c: Same.
 524         * graphite-sese-to-poly.c: Same.
 525         * graphite.c: Same.
 526         * lambda-code.c: Same.
 527         * matrix-reorg.c: Same.
 528         * tree-data-ref.c: Same.
 529         * tree-if-conv.c: Same.
 530         * tree-loop-distribu: Same.: Same.
 531         * tree-loop-linear.c: Same.
 532         * tree-parloops.c: Same.
 533         * tree-predcom.c: Same.
 534         * tree-vect-patterns.c: Same.
 535
 536 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         Partially revert the previous patch, except the following.
 539         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 540         as parameters the operands of the not expression.
 541
 542 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 543
 544         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 545         Do not call analyze_scalar_evolution on assignments.
 546         (instantiate_scev_phi): Call analyze_scalar_evolution.
 547         (instantiate_scev_name): Call instantiate_scev_assign and
 548         instantiate_scev_phi.
 549         (instantiate_scev_not): Adapted to pass as parameters the operands
 550         of the not expression.
 551
 552 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 553
 554         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 555         to pass as parameters the operands of the binary expression.
 556
 557 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 560         instantiate_scev_not.  Handle NEGATE_EXPR.
 561         (instantiate_scev_r): Handle NEGATE_EXPR.
 562
 563 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 564
 565         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 566         instantiate_scev_r.
 567         (instantiate_scev_r): Move code in instantiate_scev_2
 568         and instantiate_scev_1.
 569
 570 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * tree-scalar-evolution.c (instantiate_scev_3): New.
 573         (instantiate_scev_1): Move code in instantiate_scev_3.
 574
 575 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 576
 577         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 578         (instantiate_scev_1): Move code in instantiate_scev_poly.
 579
 580 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 581
 582         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 583         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 584
 585 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 588         (instantiate_scev_1): Move code in instantiate_scev_convert.
 589
 590 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 593         (instantiate_scev_1): Move code in instantiate_scev_binary.
 594
 595 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 596
 597         * tree-scalar-evolution.c (instantiate_scev_name): New.
 598         (instantiate_scev_1): Move code in instantiate_scev_name.
 599
 600 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 601
 602         * Merge from mainline (150992:151171).
 603
 604 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 605
 606         * graphite-dependences.c (graphite_legal_transform_bb): Call
 607         pbb_remove_duplicate_pdrs.
 608         * graphite-poly.c (can_collapse_pdr): Removed.
 609         (pdr_find_duplicate): Removed.
 610         (can_collapse_pdrs): New.
 611         (pbb_remove_duplicate_pdrs): New.
 612         (new_poly_dr): Do not look for duplicates.
 613         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 614         (PBB_PDR_DUPLICATES_REMOVED): New.
 615         (pbb_remove_duplicate_pdrs): Declared.
 616
 617 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 620         the strides by multiplying by PDR_NB_REFS.
 621         * graphite-poly.c (can_collapse_pdr): New.
 622         (pdr_find_duplicate): New.
 623         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 624         Initialize PDR_NB_REFS.
 625         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 626         (PDR_NB_REFS): New.
 627         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 628
 629 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         Revert one of the previous commits:
 632         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 633         the computation of symmetric data dependence relations.
 634         (dependency_between_pbbs_p): Same.
 635
 636 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         PR middle-end/40965
 639         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 640         any transform.
 641
 642 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 643
 644         * graphite-dependences.c (pddr_original_scattering): Return NULL
 645         for read-read dependence relations.
 646         * graphite-poly.h (enum poly_dr_type): Fix comment.
 647         (pdr_read_p): New.
 648         (pdr_write_p): New.
 649         (pdr_may_write_p): New.
 650
 651 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 654         (struct poly_dr): Same.
 655         (new_poly_dr): Same.
 656         * graphite-poly.c (new_poly_dr): Same.
 657
 658 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 659             Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 662         pbb_strip_mine_time_depth.  Changed the implementation so that
 663         transformation is expressed as a transformation on
 664         time (scatttering) dimensions.  Also, ensures that the 2d+1
 665         scheduling format is preserved.
 666         (pbb_strip_mine_profitable_p): Profitability is based on the
 667         iteration number of a given time (scattering) dimension,
 668         and not on a original loop depth dimension.
 669         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 670         (pbb_do_strip_mine): Call psct_dynamic_dim.
 671         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 672         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 673         (pbb_nb_dynamic_scattering_transform): New.
 674         (psct_dynamic_dim): New.
 675
 676 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 677
 678         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 679         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 680         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 681         * graphite-interchange.c (build_linearized_memory_access): Same.
 682         (memory_stride_in_loop): Same.
 683
 684 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 685
 686         * graphite-dependences.c (pddr_original_scattering): New.
 687         (graphite_legal_transform_dr): Call pddr_original_scattering.
 688         (dot_deps_1): New.
 689         (dot_deps): New.
 690         * graphite-dependences.h (dot_deps): Declared.
 691         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 692         (print_pdr): Print PDR_ID.
 693         * graphite-poly.h (struct poly_dr): Add field id.
 694         (PDR_ID): New.
 695         (pbb_index): New.
 696         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 697
 698 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 699
 700         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 701         not delete the original dependence relation.
 702
 703 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 706         the computation of symmetric data dependence relations.
 707         (dependency_between_pbbs_p): Same.
 708
 709 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 712         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 713         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 714         (free_poly_ddr): New.
 715         (pddr_is_empty): New.
 716         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 717         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 718         Remove fprintfs.
 719         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 720         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 721         * graphite-dependences.h (enum poly_dependence_kind): New.
 722         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 723         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 724         (PDRP_SINK): Renamed PDDR_SINK.
 725         (PDRP_DDP): Renamed PDDR_DDP.
 726         (PDDR_KIND): New.
 727         (free_poly_ddr): Declared.
 728         * graphite-poly.c (new_scop): Use the new hash function names.
 729         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 730         into original_pddrs.
 731         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 732
 733 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * Merge from mainline (150764:150992).
 736
 737 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 740         bounds with LT_EXPR to make niter analysis more precise on code
 741         generated by Graphite.
 742
 743 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 744
 745         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 746         (graphite_legal_transform_bb): Same.
 747         (poly_drs_may_alias_p): Same.
 748
 749 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 750
 751         PR middle-end/40981
 752         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 753         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 754
 755 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-poly.c (print_pbb): Print PBB index.
 758
 759 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 760
 761         * Merge from mainline (r150672:150764).
 762
 763 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-interchange.c (ppl_max_for_le): Moved...
 766         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 767         * graphite-ppl.c (ppl_max_for_le): ... here.
 768         * graphite-ppl.h (ppl_max_for_le): Declared.
 769
 770 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 771
 772         * Merge from mainline (r150372:150672).
 773
 774 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 775
 776         PR middle-end/40980
 777         * sese.c (convert_for_phi_arg): New.
 778         (add_guard_exit_phis): Use convert_for_phi_arg.
 779
 780         * testsuite/gfortran.dg/graphite/id-17.f: New.
 781
 782 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 783
 784         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 785         unknown subscript upper bounds.
 786
 787         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 788
 789 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 790             Pranav Garg  <pranav.garg2107@gmail.com>
 791
 792         * graphite-interchange.c (gather_access_strides): Removed.
 793         (ppl_max_for_le): New.
 794         (build_linearized_memory_access): New.
 795         (memory_stride_in_loop): New.
 796         (pbb_interchange_profitable_p): Reimplemented.
 797         * graphite-ppl.h (ppl_new_id_map): New.
 798         (ppl_interchange): New.
 799
 800         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 801
 802 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 803
 804         * graphite-interchange.c (compute_subscript): Removed.
 805         (compute_array_size_cstr): Removed.
 806         (compute_array_size_poly): Removed.
 807         (compute_array_size): Removed.
 808         (gather_access_strides_poly): Removed.
 809         (gather_access_strides): Empty.
 810
 811 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 812
 813         * graphite-dependences.c (dependence_polyhedron_1): Replace
 814         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 815         (graphite_legal_transform_dr): Same.
 816         (graphite_carried_dependence_level_k): Same.
 817         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 818         Initialize PDR_NB_SUBSCRIPTS.
 819         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 820         PDR_NB_SUBSCRIPTS.
 821         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 822         (PDR_NB_SUBSCRIPTS): New.
 823         (pdr_nb_subscripts): Removed.
 824         (pdr_dim): Simplified.
 825         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 826         with PDR_NB_SUBSCRIPTS.
 827
 828 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * graphite-interchange.c (compute_array_size): Remove use of
 831         PDR_DATA_CONTAINER.
 832         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 833         Do not initialize PDR_DATA_CONTAINER.
 834         (print_pdr): Do not print PDR_DATA_CONTAINER.
 835         * graphite-poly.h (struct poly_dr): Remove data_container field.
 836         (PDR_DATA_CONTAINER): Removed.
 837         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 838         PDR_DATA_CONTAINER.
 839         (build_poly_dr): Same.
 840
 841 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 842
 843         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 844
 845 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 846             Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 849         copy of the dependence polyhedron.  Free the temporary objects.
 850         (graphite_carried_dependence_level_k): Free unused objects before
 851         returning.
 852
 853         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 854         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 855         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 856         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 857         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 858
 859 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 860
 861         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 862         Early return without analyzing the data dependences if no
 863         transform has been done.  Call restore_scattering if the transform
 864         is not legal.
 865         (graphite-interchange.c): Same.
 866         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 867         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 868         (apply_poly_transforms): Do not gcc_assert that
 869         the transform is legal.
 870         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 871         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 872         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 873         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 874         * graphite-poly.h (struct poly_scattering): New.
 875         (struct poly_bb): Add original, transformed, and saved fields.
 876         Remove transformed_scattering, original_scattering, nb_local_variables,
 877         and nb_scattering_transform fields.
 878         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 879         (poly_scattering_new): New.
 880         (poly_scattering_free): New.
 881         (poly_scattering_copy): New.
 882         (store_scattering_pbb): New.
 883         (store_scattering): New.
 884         (restore_scattering_pbb): New.
 885         (restore_scattering): New.
 886         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 887         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 888
 889 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 892         (print_scop): Same.
 893
 894 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * Makefile.in (graphite.o): Depends on PREDICT_H.
 897         * graphite.c: Include predict.h.
 898         (graphite_finalize): Call tree_estimate_probability.
 899         * predict.c (predict_loops): Do not call scev_initialize and
 900         scev_finalize.
 901         (tree_estimate_probability_bb): New.
 902         (tree_estimate_probability): Do not initialize loops: move that
 903         code to the driver.  Call tree_estimate_probability_bb.
 904         (tree_estimate_probability_driver): New.
 905         (pass_profile): Use tree_estimate_probability_driver.
 906         * predict.h (tree_estimate_probability): Declared.
 907
 908 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 909
 910         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 911         * graphite-dependences.c (graphite_legal_transform): Add time to
 912         TV_GRAPHITE_DATA_DEPS.
 913         (dependency_between_pbbs_p): Same.
 914         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 915
 916 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * Merge from mainline (r149952:150372).
 919
 920 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 921
 922         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 923         * graphite-blocking.c: Same.
 924         * graphite-clast-to-gimple.c: Same.
 925         * graphite-dependences.c: Same.
 926         * graphite-poly.c: Same.
 927         * graphite-poly.h: Same.
 928         * graphite-ppl.c: Same.
 929         * graphite-scop-detection.c: Same.
 930         * graphite-sese-to-poly.c: Same.
 931         * graphite.c: Same.
 932
 933 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 936         (remove_simple_copy_phi): New.
 937         (remove_invariant_phi): New.
 938         (simple_copy_phi_p): New.
 939         (reduction_phi_p): New.
 940         (gsi_for_ssa_name_def): New.
 941         (insert_out_of_ssa_copy): New.
 942         (insert_out_of_ssa_copy_on_edge): New.
 943         (create_zero_dim_array): New.
 944         (scalar_close_phi_node_p): New.
 945         (rewrite_close_phi_out_of_ssa): New.
 946         (rewrite_phi_out_of_ssa): New.
 947         (rewrite_reductions_out_of_ssa): New.
 948         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 949
 950         * testsuite/gcc.dg/graphite/id-11.c: New.
 951         * testsuite/gcc.dg/graphite/id-15.c: New.
 952         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 953         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 954         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 955         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 956         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 957         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 958         * testsuite/gfortran.dg/graphite/id-13.f: New.
 959         * testsuite/gfortran.dg/graphite/id-5.f: New.
 960
 961 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 964         check that nb_reductions_in_loop is zero.
 965         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 966         reduction phi nodes.
 967         (nb_reductions_in_loop): Removed.
 968         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 969         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 970         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 971         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 972         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 973
 974 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 977         statements that have an empty iteration domain.
 978         * testsuite/gfortran.dg/graphite/id-16.f: New.
 979
 980 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 981
 982         * tree-scalar-evolution.c (instantiate_scev_1): Return
 983         chrec_dont_know when the result is not above instantiate_below.
 984         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 985         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 986         the tree has a known scalar evolution.
 987         * testsuite/gfortran.dg/graphite/id-14.f: New.
 988         * testsuite/gfortran.dg/graphite/id-15.f: New.
 989
 990 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 991
 992         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 993         insert_gsi.
 994         (rename_variables): Keep inserting renames after the ones already
 995         inserted.
 996
 997 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 998
 999         * graphite-sese-to-poly.c (compare_bb_depths): New.
1000         (graphite_sort_dominated_info): New.
1001         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1002         (build_scop_scattering): Fix comment.
1003
1004 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         * graphite.c (graphite_finalize): Call print_loops instead of
1007         dump_function_to_file.
1008         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1009         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1010         loops generated in the graphite output file.
1011         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1012         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1013         * testsuite/gfortran.dg/graphite/id-12.f: New.
1014
1015 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1016
1017         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1018         Remove 2 XFAIL.
1019
1020 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1021             Tobias Grosser  <grosser@fim.uni-passau.de>
1022
1023         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1024         alias set number build alias in ACCESSES polyhedron.
1025         (build_alias_set_for_drs): New.
1026         (build_pbb_drs): Added build_alias_set_for_drs.
1027         * graphite-dependences.c (poly_drs_may_alias_p): New.
1028         (graphite_carried_dependence_level_k): Check alias information
1029         before building polyhedron.
1030
1031 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1032
1033         * Makefile.in (lambda-code.o): Fix formatting.
1034
1035 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1036
1037         * Merge from mainline (r149350-149952)
1038
1039 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1040
1041         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1042         before interchange to prepare for loop blocking.
1043
1044 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1045
1046         * graphite-poly.c (apply_poly_transforms): Add checks after every
1047         transformation.
1048         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1049         done in apply_poly_transforms.
1050
1051 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1052
1053         * graphite-dependences.c (build_lexicographically_gt_constraint):
1054         Replace RES parameter with *RES.
1055         (dependence_polyhedron_1): Pass an address of the parameter RES
1056         instead of value of RES.
1057
1058 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * graphite.c (graphite_finalize): Fix comment.
1061         (graphite_transform_loops): Reset scev info after code generation
1062         of each scop.
1063
1064 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite.c (graphite_finalize): Call scev_reset.
1067
1068 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1071         GBB_CLOOG_IV_TYPES hash table twice.
1072         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1073         (add_condition_to_domain): Clear GMP values.
1074
1075 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * graphite-dependences.c: Fix formatting.
1078         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1079         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1080         * graphite-sese-to-poly.c: Fix formatting.
1081         * graphite.c (graphite_transform_loops): Create the hash table
1082         after the early return.
1083
1084 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * testsuite/gcc.dg/graphite/id-14.c: New.
1087         * testsuite/gcc.dg/graphite/pr40157.c: New.
1088         * testsuite/gfortran.dg/graphite/id-11.f: New.
1089
1090 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1091
1092         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1093         (build_poly_scop): Return false when there are no pbbs within
1094         loops to avoid to pass to cloog scops with no loops.
1095
1096 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1099         useless test "i % 2".
1100         (build_pbb_scattering_polyhedrons): Fix formatting.
1101         (build_poly_dr): Same.
1102         * graphite.c (graphite_transform_loops): Restructure.
1103
1104 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1105
1106         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1107         reduction_list parameter.
1108         (rewrite_all_phi_nodes_with_iv): Same.
1109         (canonicalize_loop_ivs): Same.
1110         * tree-parloops.c (struct brli): Removed.
1111         (build_reduction_list_info): Removed.
1112         (build_new_reduction): New.
1113         (analyze_reduction_list): Removed.
1114         (gather_scalar_reductions): Find reductions instead of phi
1115         nodes that can't be canonicalized.
1116         (try_create_reduction_list): Remove reduction_list parameter.
1117         (gen_parallel_loop): Same.
1118         (parallelize_loops): Remove analyze_reductions variable,
1119         initialization and free.
1120         Change reduction_list htab initialization to reduction_info
1121         elements instead of ssa names.
1122         Call try_create_reduction_list and gen_parallel_loop without
1123         analyzed_reduction argument.
1124         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1125         canonicalize_loop_ivs with one less argument.
1126         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1127
1128 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1129
1130         * graphite-dependences.c (new_poly_dr_pair): New.
1131         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1132         (new_poly_dr_pair): New.
1133         (eq_poly_dr_pair_p): New.
1134         (hash_poly_dr_pair_p): New.
1135         * graphite-dependences.h (struct poly_dr_pair): New.
1136         (eq_poly_dr_pair_p): Declared.
1137         (hash_poly_dr_pair_p): Declared.
1138         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1139         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1140         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1141         * Makefile.in (graphite-poly.o): Add dependence on
1142         graphite-dependences.h.
1143
1144 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1147         polynomials of degree > 1 pass to Graphite.
1148         * tree-chrec.c (scev_is_linear_expression): Call
1149         evolution_function_is_affine_multivariate_p.
1150         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1151
1152 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1155         Instantiate scevs varying in outer loops.
1156         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1157
1158 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1161         redundant constraint.
1162
1163 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1166         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1167         based on the file names as in the C testsuite.
1168         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1169         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1170         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1171         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1172         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1173         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1174         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1175         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1176         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1177         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1178         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1179         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1180         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1181
1182 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * sese.c (expand_scalar_variables_call): New.
1185         (expand_scalar_variables_ssa_name): Handle calls in expander.
1186
1187 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1190         Expect to see the pattern twice.
1191         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1192         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1193         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1194
1195 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * testsuite/gcc.dg/graphite/id-10.c: New.
1198         * testsuite/gcc.dg/graphite/id-12.c: New.
1199         * testsuite/gfortran.dg/graphite/id-7.f: New.
1200         * testsuite/gfortran.dg/graphite/id-8.f: New.
1201
1202 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1205         zero.
1206
1207 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1210
1211 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1214
1215 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1216
1217         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1218         building PDR subscripts.
1219
1220 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1223         computation of array sizes.
1224
1225 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1228
1229 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1230
1231         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1232         build_pairwise_constraint, dr_equality_constraints,
1233         build_pairwise_scheduling_equality,
1234         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1235         build_lexicographically_gt_constraint, dependence_polyhedron,
1236         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1237         Move from NNC_Polyhedron to C_Polyhedron.
1238         * graphite-interchange.c (compute_array_size_poly,
1239         gather_access_strides): Dito.
1240         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1241         free_scop, pbb_number_of_iterations): Dito.
1242         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1243         pbb_dim_iter_domain, struct scop): Dito.
1244         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1245         new_Cloog_Domain_from_ppl_Polyhedron,
1246         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1247         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1248         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1249         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1250         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1251         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1252         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1253         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1254         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1255         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1256         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1257         build_scop_iteration_domain, build_poly_dr): Dito
1258
1259 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1260
1261         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1262         run-id-*.c files.
1263         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1264
1265 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1266
1267         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1268         positivity constraint on the symbolic number of iterations.
1269
1270 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1271
1272         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1273
1274 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1275             Tobias Grosser  <grosser@fim.uni-passau.de>
1276
1277         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1278         (build_cloog_prog): Directly use SCOP_CONTEXT.
1279         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1280         (free_scop): Free SCOP_CONTEXT.
1281         (print_scop_context): New.
1282         (print_scop): Call print_scop_context.
1283         (debug_scop_context): New.
1284         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1285         (struct scop): Added field context.
1286         (SCOP_CONTEXT): New.
1287         * graphite-sese-to-poly.c (add_param_constraints): New.
1288         (build_scop_context): New.
1289         (build_poly_scop): Call build_scop_context.
1290
1291 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1292
1293         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1294         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1295         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1296         * graphite-ppl.h: Include double-int.h and tree.h.
1297         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1298         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1299         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1300         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1301
1302 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1305         POINTER_PLUS_EXPR for pointer types.
1306         (clast_to_gcc_expression): Same.
1307
1308 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-poly.c (print_scattering_function): Early return when
1311         PBB_TRANSFORMED_SCATTERING is not initialized.
1312         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1313
1314 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1317         to fix bootstrap.
1318
1319 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1320
1321         * tree-parloops.c (analyze_reduction_list): Change return
1322         value to void.
1323         (try_create_reduction_list): Move the call to
1324         analyze_reduction_list to the beginining.
1325         Call reduction_phi with analyzed_reductions as argument
1326         instead of reduction_list.
1327
1328 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1329
1330         *  Merge from mainline (r148296:149346)
1331
1332 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1333
1334         * graphite-scop-detection.c (graphite_can_represent_init): New.
1335         (graphite_can_represent_scev): Call graphite_can_represent_init:
1336         check that the initial value does not contain multiplications of
1337         parameters.
1338         (stmt_has_simple_data_refs_p): New.
1339         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1340         (is_simple_operand): Fix formatting.
1341         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1342
1343 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * testsuite/gcc.dg/graphite/id-13.c: New.
1346         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1347         analyze_scalar_evolution, use scalar_evolution_in_region.
1348         (scan_tree_for_params_right_scev): Add extra assert.
1349         (parameter_index_in_region_1): Split from parameter_index_in_region.
1350         (idx_record_params): Use scalar_evolution_in_region.
1351         (find_params_in_bb): Same.
1352         (find_scop_parameters): Same.
1353         (build_loop_iteration_domains): Same.
1354         (create_linear_expr_from_tree): Same.
1355         * sese.c (scalar_evolution_in_region): New.
1356         * sese.h (scalar_evolution_in_region): Declared.
1357         (defined_in_sese_p): New.
1358         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1359         static anymore.
1360         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1361         Declared.
1362
1363 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1366         TREE_DATA_REF_H also implies SCEV_H.
1367
1368 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * graphite-poly.c (print_scop_params): New.
1371         (print_scop): Call print_scop_params.
1372         (debug_scop_params): New.
1373         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1374
1375 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1376
1377         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1378         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1379         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1380         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1381         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1382         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1383
1384 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1385
1386         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1387         for dependency checking part.
1388         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1389         tests for dependency checking.
1390         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1391         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1392         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1393         flag -fdump-tree-graphite-all for autopar testsuites.
1394
1395 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1398         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1399         canonicalize_loop_ivs): Moved...
1400         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1401
1402 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * tree-parloops.c (try_create_reduction_list): Pass an extra
1405         argument analyzed_reductions.  Call analyze_reduction_list.
1406         (gen_parallel_loop): Do not call analyze_reduction_list.
1407         (parallelize_loops): Init and finalize analyzed_reductions.
1408
1409 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1410
1411         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1412         Added flag -fno-loop-strip-mine for autopar testcase.
1413
1414 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1415
1416         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1417         transformed scattering dimension instead of unmatch orignal when
1418         calling dependence_polyhedron.
1419
1420 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1421
1422         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1423
1424 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1427         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1428
1429 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1432         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1433         * graphite-poly.c (pbb_number_of_iterations): New.
1434         * graphite-poly.h (pbb_number_of_iterations): Declared.
1435         (pbb_iterator_dim, pbb_parameter_dim): New.
1436
1437 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1438
1439         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1440         last commit on type of lower and upper bound of loops.
1441
1442 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1443
1444         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1445         graphite-dependences.h.
1446         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1447         (mark_bb_with_pbb): New.
1448         (get_stmtfor_depth): New.
1449         (find_pbb_via_hash): New.
1450         (dependency_in_loop_p): New.
1451         (mark_loops_parallel): New.
1452         (free_aux_in_new_loops): New.
1453         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1454         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1455         innermost loop parallel without checking.
1456         (gloog): Add parameter BB_PBB_MAPPING.
1457         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1458         (gloog): Change declaration.
1459         (mark_loop_parallel): Make extern.
1460         (free_aux_in_new_loops): Declare.
1461         (bb_pbb_map_hash): New.
1462         (eq_bb_pbb_map): New.
1463         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1464         auto parallelization when flag_graphite_force_parallel is set.
1465         (graphite_finalize): Added free_aux_in_new_loops.
1466         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1467         the innermost loop that marked parallel.  Use
1468         flag_graphite_force_parallel instead of loop->can_be_parallel.
1469         (loop_parallel_p): Move inner most checking out of function.
1470
1471 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1472
1473         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1474         type of lower and upper bound of loops signed long int.
1475
1476 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1479         expression outside the loop.
1480
1481 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * gcc.dg/graphite/interchange-8.c: New.
1484
1485 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         * gcc.dg/graphite/interchange-0.c: XFailed.
1488         * gcc.dg/graphite/interchange-5.c: XFailed.
1489         * gcc.dg/graphite/interchange-6.c: XFailed.
1490
1491 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1492
1493         * graphite-interchange.c (compute_array_size_poly): The end of the
1494         recursion should return 1.
1495
1496 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1497
1498         * graphite-interchange.c (compute_array_size_cstr): Allow the
1499         subscript multiplier to be -1.
1500         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1501         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1502         data_container.  Initializes PDR_DATA_CONTAINER.
1503         (print_pdr_access_layout): New.
1504         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1505         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1506         data_container.
1507         (PDR_DATA_CONTAINER): New.
1508         (new_poly_dr): Update declaration.
1509         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1510         (build_poly_dr): Call pdr_add_data_dimensions.
1511
1512 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1513
1514         * graphite-poly.h (struct poly_dr): Fix comment.
1515         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1516         (pdr_add_memory_accesses): New.
1517         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1518
1519 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1520
1521         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1522         (print_pbb): Add call to print_pdrs.
1523         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1524
1525 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1526             Li Feng <nemokingdom@gmail.com>
1527
1528         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1529         (dependency_between_pbbs_p): New.
1530         (lexicographically_gt_p): Assure !empty_p before polyhedron
1531         intersection assign.
1532         (build_lexicographically_gt_constraint): Correct lexicographically
1533         judging.
1534         * graphite-dependences.h: New.
1535         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1536
1537 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1538
1539         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1540         (gloog): Print to dump_file the generated clast.
1541         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1542         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1543
1544 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         * graphite-poly.c (extend_scattering): Increment
1547         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1548
1549 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite-interchange.c (compute_array_size_poly): Added exit of
1552         recursion condition.  Continue iterating even after the first equality.
1553         (compute_array_size): Same.
1554
1555 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1556
1557         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1558         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1559         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1560         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1561         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1562
1563 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1564
1565         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1566         only when the use verifies is_gimple_reg.
1567
1568 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1571         Allocate scaldims after call to unify_scattering_dimensions.
1572
1573 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1574
1575         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1576
1577 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1578             Albert Cohen  <albert.cohen@inria.fr>
1579
1580         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1581         variables for the strip mining.
1582
1583 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1584             Pranav Garg  <pranav.garg2107@gmail.com>
1585
1586         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1587         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1588         (graphite-blocking.o): New rule.
1589         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1590         * graphite-blocking.c: New.
1591         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1592         flag_loop_strip_mine.
1593         (psct_scattering_dim_for_loop_depth): New.
1594         * graphite-poly.h (scop_do_strip_mine): Declared.
1595         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1596         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1597         flag_loop_strip_mine.
1598
1599 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1602         a GMP value and a PPL coefficient at each iteration of a loop.
1603
1604 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * graphite-dependences.c (dependence_polyhedron): Do not use
1607         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1608         pbb_nb_scattering_transform.
1609         (graphite_legal_transform_dr): Same.
1610         * graphite-poly.c (extend_scattering): Same.
1611         (unify_scattering_dimensions): Same.
1612         (print_scattering_function): Same.
1613         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1614         PBB_NB_LOCAL_VARIABLES.
1615         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1616         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1617         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1618         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1619         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1620         (pbb_nb_scattering_transform): New.
1621         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1622         (psco_scattering_dim): Add assert on parameters.
1623         (psct_scattering_dim): Same.
1624         (psct_scattering_dim_for_loop_depth): Declared.
1625         (psct_local_var_dim): New.
1626         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1627         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1628         correct layout, call pbb_nb_local_vars.
1629         (psct_add_local_variable, psct_add_scattering_dimension): New.
1630         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1631         Initialize PBB_NB_SCATTERING_TRANSFORM.
1632
1633 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1636         (set_coef): Renamed ppl_set_coef.
1637         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1638
1639 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1642         test a boolean against 1.
1643         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1644         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1645         (pbb_do_interchange): Returns true when a transform has been performed.
1646         (scop_do_interchange): Same.
1647         * graphite-poly.c (apply_poly_transforms): Use the return value of
1648         scop_do_interchange.
1649         * graphite-poly.h (scop_do_interchange): Update declaration.
1650
1651 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1652
1653         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1654         after last use.
1655         * sese.c (sese_reset_aux_in_loops): New.
1656         * sese.h (sese_reset_aux_in_loops): New.
1657
1658 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1659
1660         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1661         multiplier and multiply the constant by the multiplier.
1662         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1663         (build_poly_dr): Do not use the multiplier to define the subscript.
1664
1665 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1666
1667         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1668         compiler's data reference.  Initialize PDR_CDR.
1669         (print_pdr): Call dump_data_reference.
1670         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1671         Add compiler_dr field.
1672         (PDR_BB): Renamed PDR_PBB.
1673         (PDR_CDR): New.
1674         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1675         GCC's data reference representation.
1676         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1677         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1678
1679 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * graphite-poly.c (print_scattering_function): Also print the layout.
1682         * graphite-poly.h (pbb_nb_local_vars): New.
1683
1684 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1687
1688 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * graphite-poly.c (print_pdr, debug_pdr): New.
1691         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1692         (PDR_BASE): Removed.
1693
1694 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1697         ltrans-{1..6,8}.c.
1698
1699 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1702         subscript identification column.
1703         (pbb_do_interchange): Print to dump_file that some loops "will be
1704         interchanged".  Rely on that chain of characters in the testcases.
1705         * gcc.dg/graphite/interchange-0.c: New.
1706         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1707         interchange-*.c files and compile them with -floop-interchange.
1708
1709 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1710
1711         * graphite-interchange.c (interchange_profitable_p): Renamed
1712         pbb_interchange_profitable_p.
1713
1714 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1715             Harsha Jagasia  <harsha.jagasia@amd.com>
1716             Pranav Garg  <pranav.garg2107@gmail.com>
1717
1718         * graphite-interchange.c (interchange_profitable_p): Make static.
1719         (pbb_interchange_loop_depths, pbb_do_interchange,
1720         scop_do_interchange): New.
1721         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1722         for flag_loop_interchange.
1723         * graphite-poly.h (scop_do_interchange): Declared.
1724         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1725         flag_loop_interchange is used.
1726
1727 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         * graphite-dependences.c (dependence_polyhedron): Update use of
1730         pbb_nb_scattering_dims.
1731         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1732         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1733         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1734         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1735
1736 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1737
1738         * graphite.c: Cleanup foo.
1739
1740 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1741
1742         * Merge from mainline (r143684:148293).
1743         * Disabled libpcp until it gets fixed.
1744
1745 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1746             Harsha Jagasia  <harsha.jagasia@amd.com>
1747
1748         * graphite-interchange.c: New.
1749         * Makefile.in (graphite-interchange.o): New.
1750         * graphite-poly.h (interchange_profitable_p): Declared.
1751         * graphite-ppl.h (value_max): New.
1752
1753 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1756         * graphite-poly.h: Fix some comments.
1757         (pdr_dim): New.
1758         (pdr_scop): New.
1759
1760 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-poly.h
1763         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1764         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1765         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1766         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1767         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1768         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1769         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1770         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1771         * graphite-clast-to-gimple.c: Same.
1772         * graphite-dependences.c: Same.
1773         * graphite-poly.c: Same.
1774         * graphite-sese-to-poly.c: Same.
1775
1776 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1779         expressions for an IV rename, as returned by clast_to_gcc_expression.
1780         (copy_renames): Rename new_name to expr.
1781         * sese.c (debug_rename_elt): Same.
1782         (get_rename): Same.
1783         (set_rename): Same.
1784         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1785         the information from the rename map.
1786         (rename_variables_in_stmt): Same.
1787         (add_loop_exit_phis): Rename new_name to expr.
1788         (insert_loop_close_phis): Same.
1789         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1790         * sese.h (struct rename_map_elt): Rename new_name to expr.
1791         (new_rename_map_elt): Same.
1792
1793 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1794
1795         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1796         * sese.c (set_rename): Make it extern.
1797         * sese.h (set_rename): Declared.
1798
1799 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-poly.c (extend_scattering): Free values.
1802         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1803         Free iterators.
1804         (ppl_print_powerset_matrix): Same.
1805         * graphite-scop-detection.c (free_scops_1): New.
1806         (limit_scops): Call free_scops_1.
1807         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1808         (build_poly_dr): Free PPL coefficients.
1809         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1810
1811 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * graphite-dependences.c: New.
1814         * graphite-data-ref.c: Removed.
1815         * graphite-data-ref.h: Removed.
1816         * Makefile.in (graphite-data-ref.o): Removed.
1817         (graphite-dependences.o): Added.
1818         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1819         * graphite-poly.c: Same.
1820         Move the data dependence testing to graphite-dependences.c.
1821
1822 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1823
1824         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1825         from graphite_cannot_represent_loop. Code refactored.
1826         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1827
1828 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1829
1830         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1831         Cover all the testcases (not only the filtered ones).
1832
1833 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1834
1835         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1836         unnecessary check. Update comments. Move check for REAL_TYPE here.
1837         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1838         done in (stmt_simple_for_scop_p).
1839
1840 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1841
1842         * graphite.c (print_global_statistics): New.
1843         (print_graphite_scop_statistic): New.
1844         (print_graphite_statistics): New.
1845         (graphite_initialize, graphite_transform_loops): Print statistics.
1846         * graphite-scop-detection (build_scops): Print statistics.
1847         (print_graphite_scop_statistics): New.
1848         (print_graphite_statistics): New.
1849
1850 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1853         (debug_clast_name_index): Removed.
1854         (debug_clast_name_indexes_1): Removed.
1855         (debug_clast_name_indexes): Removed.
1856         (clast_name_index_elt_info): Removed.
1857         (eq_clast_name_indexes): Removed.
1858         (clast_name_to_index): Removed.
1859         (new_clast_name_index): Removed.
1860         (save_clast_name_index): Removed.
1861         (save_var_name): Moved...
1862         (init_sese_params_index): Removed.
1863         (clast_name_to_gcc): Remove use of name_tree.
1864         (initialize_cloog_names): Same.
1865         (gloog): Do not call init_sese_params_index.
1866         * graphite-sese-to-poly.c (save_var_name): ...here.
1867         (parameter_index_in_region): New.
1868         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1869         (parameter_index_in_region): Removed.
1870         (is_parameter): Remove use of name_tree.
1871         * sese.h (struct name_tree): Removed.
1872         (struct sese): Remove use of name_tree.  New field params_names.
1873         (SESE_PARAMS_NAMES): New.
1874         (SESE_PARAMS): Remove duplicate.
1875         (parameter_index_in_region): Removed.
1876         (sese_nb_params): Remove use of name_tree.
1877         (struct clast_name_index): New.
1878         (new_clast_name_index): New.
1879         (clast_name_to_index): New.
1880         (save_clast_name_index): New.
1881         (debug_clast_name_index): New.
1882         (debug_clast_name_indexes_1): New.
1883         (debug_clast_name_indexes): New.
1884         (clast_name_index_elt_info): New.
1885         (eq_clast_name_indexes): New.
1886
1887 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1888
1889         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1890         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1891         (graphite_loop_normal_form): Do not pass region.  Do not
1892         initialize SESE_OLDIVS.
1893         (build_graphite_loop_normal_form): Update call to
1894         graphite_loop_normal_form.
1895         * sese.c (debug_oldivs): Removed.
1896         (new_sese): Do not initialize SESE_OLDIVS.
1897         (free_sese): Do not free SESE_OLDIVS.
1898         (oldiv_for_loop): Removed.
1899         * sese.h (struct sese): Remove old_ivs.
1900         (SESE_OLDIVS): Removed.
1901         (oldiv_for_loop): Removed.
1902
1903 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1906         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1907         replaced by a call to newivs_to_depth_to_newiv.
1908         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1909         (clast_to_gcc_expression_red): Same.
1910         (gcc_type_for_clast_expr): Same.
1911         (gcc_type_for_clast_eq): Same.
1912         (graphite_translate_clast_equation): Same.
1913         (graphite_create_guard_cond_expr): Same.
1914         (graphite_create_new_guard): Same.
1915         (graphite_create_new_loop): Same.
1916         (build_iv_mapping): Same.
1917         (translate_clast): Same.
1918         (gloog): Same.
1919         (loop_iv_stack_patch_for_consts): Removed.  *
1920         sese.c (iv_stack_entry_is_constant): Removed.
1921         (iv_stack_entry_is_iv): Removed.
1922         (loop_iv_stack_push_iv): Removed.
1923         (loop_iv_stack_insert_constant): Removed.
1924         (loop_iv_stack_pop): Removed.
1925         (loop_iv_stack_get_iv): Removed.
1926         (loop_iv_stack_get_iv_from_name): Removed.
1927         (debug_loop_iv_stack): Removed.
1928         (free_loop_iv_stack): Removed.
1929         (loop_iv_stack_remove_constants): Removed.  *
1930         sese.h (iv_stack_entry_kind): Removed.
1931         (iv_stack_entry_data_union): Removed.
1932         (iv_stack_entry_struct): Removed.
1933         (iv_stack_entry_p): Removed.
1934         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1935         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1936         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1937         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1938         (gbb_loop_at_index): Fix indenting.
1939         (gbb_loop_index): Removed.
1940
1941 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1944         Call clast_name_to_index.
1945
1946 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1947
1948         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1949         do not pass params.  Get params from SESE_PARAMS.
1950         (clast_to_gcc_expression): Same.
1951         (clast_to_gcc_expression_red): Same.
1952         (gcc_type_for_clast_eq): Same.
1953         (graphite_translate_clast_equation): Same.
1954         (graphite_create_new_loop): Same.
1955         * sese.c (rename_variables_in_stmt): Fix comment.
1956
1957 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1960         newivs_index.
1961         Call save_clast_name_index.
1962         (translate_clast): Pass newivs_index.
1963         (gloog): Create and free newivs_index.
1964
1965 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1966
1967         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1968         (clast_name_index_p): New type.
1969         (debug_clast_name_index): New.
1970         (debug_clast_name_indexes_1): New.
1971         (debug_clast_name_indexes): New.
1972         (clast_name_index_elt_info): New.
1973         (eq_clast_name_indexes): New.
1974         (clast_name_to_index): New.
1975         (new_clast_name_index): New.
1976         (save_clast_name_index): New.
1977         (init_sese_params_index): New.
1978         (gloog): Call init_sese_params_index.
1979         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1980         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1981         (free_sese): Free SESE_PARAMS_INDEX.
1982         * sese.h (struct sese): Add params_index.
1983         (SESE_PARAMS_INDEX): New.
1984
1985 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1988         (graphite_create_new_loop): Pass the newivs vector.  Push the
1989         newly created IV to newivs.
1990         (translate_clast): Pass the newivs vector.
1991         (gloog): Create and destroy the newivs vector.
1992
1993 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1994
1995         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1996         (graphite_loop_normal_form): Initialize loop->aux with the unique
1997         IV that has been created.
1998
1999 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2000
2001         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2002         scev with parameters in the base part. They where forbidden
2003         exidently.
2004
2005 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2006
2007         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2008         compile options by file names.
2009         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2010         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2011         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2012         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2013
2014 2009-05-08  Li Feng <nemokingdom@gmail.com>
2015
2016         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2017         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2018         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2019         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2020
2021 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2022
2023         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2024         by final cleanup.
2025
2026 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2027
2028         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2029         allow integer constant strides.
2030         (graphite_can_represent_expr): Depend on outermost_loop.
2031         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2032         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2033         build_scops_1): Same.
2034         (scopdet_basic_block_info): Same and insert layered SCoP
2035         detection.
2036         (try_generate_gimple_bb): Cleanup.
2037         (build_scops): Enable data references.
2038
2039         * testsuite/gcc.dg/graphite/id-5.c: New.
2040         * testsuite/gcc.dg/graphite/id-9.c: New.
2041         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2042         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2043
2044 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2045
2046         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2047         that we have not yet built for this SCoP.
2048
2049 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2050
2051         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2052         for complex numbers.
2053
2054 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2055
2056         * graphite-ppl.c: Fix build if cloog is not available.
2057
2058 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2059
2060         * tree-parloops.c (loop_parallel_p): Remove construction of
2061         NITER and REDUCTION_LIST.
2062         (try_get_loop_niter): New.
2063         (try_create_reduction_list): New.
2064         (parallelize_loops): Bypass the failed checkings in autopar
2065         when can_be_parallel in loop structure is set to true.
2066
2067 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2068
2069         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2070         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2071
2072 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2073
2074         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2075         Enable EQ_EXPR and NE_EXPR again.
2076
2077 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2078
2079         * graphite-scop-detection.c (graphite_can_represent_scev):
2080         Add check if scev is affine multivariate.
2081         (harmful_stmt_in_bb): Check if we can represent the conditions.
2082         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2083         harmful_stmt_in_bb.
2084         * testsuite/gcc.dg/graphite/id-7.c: New.
2085
2086 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2087
2088         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2089         Check all bbs in region, not only the bbs that are represented in
2090         GRAPHITE.
2091         (build_poly_scop): Add newline.
2092         * testsuite/gcc.dg/graphite/id-8.c: New.
2093
2094 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2095
2096         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2097         when loop initialize.
2098         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2099         * common.opt: Declare flag_graphite_force_parallel.
2100         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2101         loop parallel.
2102         * graphite-poly.c (apply_poly_transforms): Introduce
2103         flag_graphite_force_parallel.
2104         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2105         * toplev.c (process_options): ditto and replace a not correctly
2106         encoded space.
2107
2108 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2109
2110         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2111         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2112         to the redefinition.
2113         (compute_cloog_iv_types_1): ditto.
2114         (build_iv_mapping): ditto.
2115         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2116         initialization.
2117         (free_gimple_bb): Removed GBB_LOOPS related free part.
2118         (build_bb_loops): Removed.
2119         * sese.h (struct gimple_bb): Removed loops.
2120         (GBB_LOOPS): Removed.
2121         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2122         (gbb_loop_index): ditto.
2123
2124 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2125
2126         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2127         allow non constant strides.
2128         * testsuite/gcc.dg/graphite/scop-20.c: New.
2129
2130 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2131
2132         * graphite-scop-detection.c (dot_all_scops): Fix system call
2133         return value warning.
2134         (dot_scop): Same.
2135
2136 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2137
2138         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2139         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2140
2141 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2144         build_pairwise_constraint, dr_equality_constraints,
2145         build_pairwise_scheduling_equality,
2146         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2147         build_lexicographically_gt_constraint, dependence_polyhedron,
2148         graphite_legal_transform_dr, graphite_legal_transform_bb,
2149         graphite_legal_transform): New.
2150         * graphite-poly.h (graphite_legal_transform): Declared.
2151         * graphite-sese-to-poly.c (build_poly_scop): Call to
2152         graphite_legal_transform is disabled for the moment.
2153
2154 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-poly.h (pbb_nb_scattering_dims): New.
2157         (pbb_nb_scattering): Use it.
2158
2159 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2160
2161         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2162         Pointset_Powerset version of ppl_insert_dimensions.
2163         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2164
2165 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2166
2167         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2168
2169 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2170
2171         * graphite-poly.h: Fix comment.
2172
2173 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2176
2177 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2178
2179         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2180         statements.
2181
2182 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2183
2184         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2185         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2186         conditions.
2187
2188 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2189
2190         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2191         handle EQ_EXPR and NE_EXPR.
2192
2193 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2194
2195         * graphite-poly.h (poly_dr): Fix comment.
2196
2197 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2198             Tobias Grosser  <grosser@fim.uni-passau.de>
2199
2200         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2201         with a zero dimension polyhedron.
2202         (find_scop_parameters): Move the call to scop_set_nb_params here.
2203         (build_loop_iteration_domains): Store in loop->aux the iteration
2204         domain polyhedron.
2205         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2206         by any loop in scop.
2207         (build_poly_scop): Do not call scop_set_nb_params.
2208
2209 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2210             Tobias Grosser  <grosser@fim.uni-passau.de>
2211
2212         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2213         add_condition_to_domain not GT_EXPR.
2214
2215 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2216
2217         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2218         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2219         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2220         upper_bound_assign to calculate unions.
2221         * testsuite/gcc.dg/graphite/id-6.c: New.
2222
2223 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2224
2225         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2226         handle abnormal edges.
2227
2228 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2229
2230         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2231         (free_poly_bb): Also free poly_drs.
2232         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2233         (poly_dr): Polyhedron to Pointset_Powerset.
2234         (pdr_accessp_nb_subscripts): Same.
2235         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2236         poly_drs.
2237
2238 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2241         names into more meaningful names.
2242
2243 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2244
2245         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2246         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2247
2248 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2249
2250         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2251         the reduction_list.
2252         * tree-parloops.c (rewrite_phi_with_iv): New.
2253         (rewrite_all_phi_nodes_with_iv): New.
2254         (canonicalize_loop_ivs): Call them.
2255
2256 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2257
2258         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2259         graphite_find_data_references_in_stmt.
2260         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2261         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2262
2263 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2266
2267 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2270         instead of bb_in_region.
2271         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2272         (build_sese_conditions): Use flag_bb_in_sese.
2273         * sese.c (register_bb_in_sese): Removed.
2274         (new_sese): Remove initialization of SESE_REGION_BBS.
2275         (free_sese): Do not free SESE_REGION_BBS.
2276         * sese.h (struct sese): Remove field region_basic_blocks.
2277         (SESE_REGION_BBS): Removed.
2278         (bb_in_sese_p): Implement in function of bb_in_region.
2279
2280 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2283         loops.
2284
2285 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2286
2287         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2288         and EQ_EXPR.
2289         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2290         (add_condition_to_domain): New.
2291         (add_condition_to_pbb): New.
2292         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2293         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2294
2295 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2296
2297         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2298         ppl_Pointset_Powerset.
2299         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2300         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2301         (pbb_nb_loops): Same.
2302         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2303         add_conditions_to_domain): Same.
2304         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2305         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2306         ppl_const_Polyhedron_t.
2307         (ppl_print_powerset_matrix): New.
2308         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2309         ppl_print_powerset_matrix): New.
2310         (ppl_print_polyhedron_matrix): Updated.
2311
2312 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2315
2316 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2319         (print_iteration_domains, debug_iteration_domain,
2320         debug_iteration_domains): New.
2321         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2322         debug_iteration_domains): Declared.
2323         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2324         indenting.
2325
2326 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2327             Sebastian Pop  <sebastian.pop@amd.com>
2328
2329         * graphite-poly.h (print_iteration_domain): New.
2330         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2331         (build_sese_conditions_1, build_sese_conditions_after,
2332         build_sese_conditions_before): New.
2333         (build_sese_conditions): Rewritten.
2334
2335 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2336             Tobias Grosser  <grosser@fim.uni-passau.de>
2337
2338         Cleanup of code generation liveouts.
2339         * graphite-clast-to-gimple.c (translate_clast): Use a single
2340         rename_map instead of one per translated statement.
2341         Do not use SESE_LIVEOUT_RENAMES.
2342         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2343         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2344         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2345         phi node of a reduction: when a loop contains a reduction used outside
2346         the loop, there should be a scalar close phi node on the exit block.
2347         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2348         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2349         (free_sese): Do not free them.
2350         (sese_build_liveouts_use): Do not use them.
2351         (sese_build_liveouts_bb): Same.
2352         (sese_build_liveouts): Same.
2353         (sese_insert_phis_for_liveouts): Same.
2354         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2355         (defined_in_loop_p): New.
2356         (alive_after_loop): New.
2357         (close_phi_not_yet_inserted_p): New.
2358         (struct alep, alep_p): New.
2359         (add_loop_exit_phis): Remove from the rename_map all the names defined
2360         in the code generated loop.
2361         (insert_loop_close_phis): Traverse the rename_map passed to it.
2362         Don't use SESE_LIVEOUT_RENAMES.
2363         (default_liveout_before_guard): Renamed default_before_guard.
2364         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2365         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2366         (register_sese_liveout_renames): Removed.
2367         (copy_bb_and_scalar_dependences): Do not call it.
2368         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2369         reduction_list.
2370         (SESE_LIVEOUT): Removed.
2371         (SESE_LIVEOUT_RENAMES): Removed.
2372         (SESE_REDUCTION_LIST): Removed.
2373         (sese_build_liveouts): Removed.
2374         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2375         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2376         (insert_guard_phis): Same.
2377         (rename_map_elt): Declare a VEC of them.
2378         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2379         trees not pointers to trees.
2380
2381         Rewrite in canonical close SSA form:
2382         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2383         (limit_scops): Close the scop after the block containing the close phi
2384         nodes.
2385         (canonicalize_loop_closed_ssa): New.
2386         (canonicalize_loop_closed_ssa_form): New.
2387         (build_scops): Call canonicalize_loop_closed_ssa_form.
2388
2389         * graphite-sese-to-poly.c: Fix typos.
2390
2391 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2392
2393         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2394         Extended.
2395         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2396         (print_pbb): Add conditions.
2397
2398 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2399             Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2402         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2403         (build_scop_bbs_1): New.
2404         (build_scop_bbs): Rewrite.
2405         * sese.h (bb_in_region): New.
2406
2407 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2408
2409         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2410         poly_drs vector.
2411         (print_scop): Style.
2412         * graphite-poly.h (poly_bb): Add drs vector.
2413         (PBB_DRS): Add accessor.
2414         * graphite-sese-to-poly.c (build_poly_dr): New.
2415         (build_pbb_drs, build_scop_drs): New.
2416         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2417
2418 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2419
2420         * tree-ssa-loop.c: Include forgotten toplev.h
2421
2422 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2423
2424         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2425         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2426         * testsuite/gcc.dg/graphite/pr37928.c: Same
2427         * testsuite/gcc.dg/graphite/pr38409.c: Same
2428         * testsuite/gcc.dg/graphite/pr38498.c: Same
2429         * testsuite/gcc.dg/graphite/pr38559.c: Same
2430         * testsuite/gcc.dg/graphite/pr39335.c: Same
2431         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2432         * testsuite/gfortran.dg/graphite/block-2.f: Same
2433         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2434         with -floop-*.
2435
2436 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2437
2438         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2439         build_access_matrix, build_scop_data_accesses): Remove access function
2440         building. (We get a new version soon).
2441         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2442         * sese.h (nb_loops_around_loop_in_sese): Remove.
2443         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2444
2445 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2446             Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * graphite-scop-detection.c (struct scopdet_info): Rename last
2449         field to exit.
2450         (scopdet_basic_block_info, build_scops_1): Don't use
2451         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2452
2453 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2454             Sebastian Pop  <sebastian.pop@amd.com>
2455
2456         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2457         * sese.c (sese_build_liveouts_use): Renamed from
2458         sese_build_livein_liveouts_use. Remove liveins.
2459         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2460         Call sese_build_liveouts_use.
2461         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2462         Call sese_build_liveouts_bb.
2463         (new_sese, free_sese): Remove liveins.
2464         (sese_add_exit_phis_var): Deleted.
2465         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2466         directly.
2467         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2468
2469         * sese.h (sese): Remove num_ver and livein.
2470         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2471
2472 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2473
2474         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2475
2476 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2477
2478         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2479         (build_scop_scattering): Do not use compare_prefix_loops any more.
2480         (nb_common_loops): New.
2481
2482 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2485         (register_old_and_new_names): Renamed set_rename.
2486
2487 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2488
2489         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2490         of the decl from the previous commit.
2491
2492 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2493
2494         * graphite-scop-detection.c (dot_scop): New.
2495         * graphite-scop-detection.h (dot_scop): Declared.
2496
2497 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2500
2501 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2502
2503         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2504         condition at the end of the loop.
2505         * graphite.c (graphite_initialize, graphite_finalize): Print to
2506         dump_file the compiled function.
2507         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2508         of create_empty_loop_on_edge.
2509         (translate_clast): Update the code generation of loops for the new
2510         shape of loops.
2511         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2512
2513 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2514
2515         Reverted the patch from 2009-03-19.
2516
2517 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2518
2519         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2520         poly_drs vector.
2521         (print_scop): Style.
2522         * graphite-poly.h (poly_bb): Add drs vector.
2523         (PBB_DRS): Add accessor.
2524         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2525         (build_access_matrix_with_af, build_access_matrix,
2526         build_scop_data_accesses): Delete.
2527         (build_poly_dr): New.
2528         (build_pbb_drs, build_scop_drs): New.
2529         (build_poly_scop): call build_scop_drs.
2530
2531 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2534         once per basic block.
2535
2536 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2537
2538         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2539         (graphite_can_represent_expr): Renamed from loop_affine_expr
2540         and enhanced.
2541         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2542         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2543         (scopdet_basic_block_info): Actually define entry_block.
2544         (stmt_simple_memref_p): Moved here from ...
2545
2546         * tree-data-ref.c (stmt_simple_memref_p): here.
2547         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2548
2549 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2550
2551         * testsuite/gcc.dg/graphite/id-4.c: New.
2552
2553 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2556         (register_old_and_new_names): Update the content of the map.
2557         When there was already a rename_map_elt in the map at that
2558         location, free it.
2559         (copy_bb_and_scalar_dependences): Do rename_variables after
2560         expand_scalar_variables.
2561         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2562         of the map.  When there was already a rename_map_elt in the
2563         map at that location, free it.
2564         (translate_clast): Pass the rename_map.  Do not initialize and free
2565         a rename_map per stmt_user.
2566         (gloog): Initialize and free one rename_map and pass it to
2567         translate_clast.
2568
2569 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * sese.c (expand_scalar_variables_stmt,
2572         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2573         parameter.
2574         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2575         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2576         the gimple_stmt_iterator of the statement to be expanded.
2577         * graphite-scop-detection.c (is_simple_operand): Do handle
2578         REALPART_EXPR.
2579
2580 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2581
2582         * graphite-scop-detection.c (is_simple_operand): Do not handle
2583         REALPART_EXPR.
2584         * testsuite/gcc.dg/graphite/id-2.c: New.
2585
2586         * graphite-sese-to-poly.c (build_bb_loops,
2587         add_value_to_dim, scan_tree_for_params_right_scev,
2588         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2589         find_params_in_bb, build_loop_iteration_domains,
2590         add_conditions_to_domain): Remove subtract.
2591
2592 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2593
2594         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2595         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2596         pbb_loop_at_index -> gbb_loop_at_index.
2597         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2598         (debug_loop_vec): Delete.
2599         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2600         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2601         (PBB_LOOPS): Removed.
2602         (PBB_BLACK_BOX): Insert cast.
2603         (pbb_set_black_box): New setter.
2604         (pbb_loop_at_index, pbb_loop_index): Removed.
2605         (scop_set_region, scop_set_nb_params): New.
2606         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2607         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2608         (build_poly_scop): Use scop_set_nb_params.
2609         * sese.h (gimple_bb): Add LOOPS.
2610         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2611
2612 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2613
2614         Revert previous commit.
2615
2616 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2619         (register_old_and_new_names): Update the content of the map.
2620         When there was already a rename_map_elt in the map at that
2621         location, free it.
2622         (copy_bb_and_scalar_dependences): Do rename_variables after
2623         expand_scalar_variables.
2624         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2625         of the map.  When there was already a rename_map_elt in the
2626         map at that location, free it.
2627         (translate_clast): Pass the rename_map.  Do not initialize and free
2628         a rename_map per stmt_user.
2629         (gloog): Initialize and free one rename_map and pass it to
2630         translate_clast.
2631
2632 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2633
2634         Remove forgotten line in revert.
2635
2636 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         Revert previous commit.
2639
2640 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         * sese.c (register_old_and_new_names): Update the content
2643         of the map.  When there was already a rename_map_elt in the
2644         map at that location, free it.
2645         (copy_bb_and_scalar_dependences): Do rename_variables after
2646         expand_scalar_variables.
2647         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2648         of the map.  When there was already a rename_map_elt in the
2649         map at that location, free it.
2650         (translate_clast): Pass the rename_map.  Do not initialize and free
2651         a rename_map per stmt_user.
2652         (gloog): Initialize and free one rename_map and pass it to
2653         translate_clast.
2654
2655 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite-clast-to-gimple.c (translate_clast): context_loop
2658         is never NULL.
2659
2660 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2661             Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2664         of the use of ppl_Polyhedron_map_space_dimensions.
2665
2666 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2667             Sebastian Pop  <sebastian.pop@amd.com>
2668
2669         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2670         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2671         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2672         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2673         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2674         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2675         pbb_nb_params): New.
2676         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2677         nb_loops_around_pbb): Adapt return types.
2678
2679 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2680
2681         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2682         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2683         graphite-scop-detection.o, graphite-poly.o): Add
2684         more headers.
2685
2686 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2687
2688         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2689         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2690         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2691
2692 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2693
2694         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2695         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2696         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2697         * testsuite/gcc.dg/graphite/block-0.c: Same.
2698         * testsuite/gcc.dg/graphite/block-1.c: Same.
2699         * testsuite/gcc.dg/graphite/block-2.c: Same.
2700         * testsuite/gcc.dg/graphite/block-3.c: Same.
2701         * testsuite/gcc.dg/graphite/block-4.c: Same.
2702         * testsuite/gcc.dg/graphite/block-5.c: Same.
2703         * testsuite/gcc.dg/graphite/block-6.c: Same.
2704         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2705         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2706         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2707         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2708         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2709         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2710         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2711         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2712         * opts.c: Remove -floop-block from -O2.
2713         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2714         -floop-strip-mine are used.
2715
2716 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2717             Sebastian Pop  <sebastian.pop@amd.com>
2718
2719         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2720         dimensions.
2721         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2722         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2723         strip_mine_profitable_p, is_interchange_valid,
2724         graphite_trans_bb_block, graphite_trans_loop_block,
2725         graphite_trans_scop_block): Temporary removed.
2726         (extend_scattering, unify_scattering_dimensions): New.
2727         (print_scattering_function, graphite_read_transforms):
2728         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2729         (graphite_generate_scattering_fns): Removed.
2730         (apply_poly_transforms): Cleanup.
2731         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2732         (schedule_to_scattering): Moved.
2733         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2734         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2735         (pbb_nb_scattering): New.
2736         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2737         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2738         Removed.
2739         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2740         shift_poly.
2741         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2742         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2743         -> PBB_TRANSFORMED_SCATTERING.
2744         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2745         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2746         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2747         (check_poly_representation): Do not return bool.
2748         (graphite_transform_loops): Reformat.
2749         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2750
2751 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2752
2753         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2754         debug_pbb_domain, debug_pbb, debug_scop): New.
2755         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2756         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2757
2758 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         PR middle-end/39335
2761         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2762         when the type precision of the induction variable should be
2763         larger than the type precision of nit.
2764         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2765         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2766         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2767
2768         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2769         * testsuite/gcc.dg/graphite/pr39335.c: New.
2770
2771 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2774         SSA_NAMES not struct reduction_info.
2775
2776 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2779
2780 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2781             Tobias Grosser  <grosser@fim.uni-passau.de>
2782
2783         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2784         (free_sese): Free SESE_REDUCTION_LIST.
2785         * sese.h (struct sese): Add field reduction_list.
2786         (SESE_REDUCTION_LIST): New.
2787         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2788         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2789
2790 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2791             Tobias Grosser  <grosser@fim.uni-passau.de>
2792
2793         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2794         of loop_p.
2795
2796 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2797             Tobias Grosser  <grosser@fim.uni-passau.de>
2798
2799         * tree-parloops.c (struct brli, build_reduction_list_info,
2800         analyze_reduction_list, gather_scalar_reductions): New.
2801         (loop_parallel_p): Build a reduction list containing only
2802         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2803         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2804         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2805         * tree-flow.h (gather_scalar_reductions): Declared.
2806
2807 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         PR middle-end/39308
2810         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2811         number_of_iterations_exit from a gcc_assert.
2812
2813 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2814             Jan Sjodin  <jan.sjodin@amd.com>
2815
2816         * output.h (graphite_out_file, graphite_in_file): Declared.
2817         * toplev.c (graphite_out_file, graphite_in_file): New.
2818         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2819         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2820         Don't call schedule_to_scattering.
2821         * common.opt (fgraphite-write, fgraphite-read): New.
2822         * graphite-poly.c: Include output.h.
2823         (print_scattering_function, print_scattering_functions,
2824         debug_scattering_function, debug_scattering_functions,
2825         graphite_write_transforms, graphite_read_transforms,
2826         graphite_generate_scattering_fns): New.
2827         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2828         Call graphite_generate_scattering_fns, graphite_write_transforms,
2829         graphite_read_transforms.
2830         (new_poly_bb): Initialize PBB_SCATTERING.
2831         (free_poly_bb): Free PBB_SCATTERING.
2832         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2833         * graphite-poly.h (struct poly_bb): Add field scattering.
2834         (PBB_SCATTERING): New.
2835         (print_scattering_function, print_scattering_functions,
2836         debug_scattering_function, debug_scattering_functions): Declared.
2837         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2838         GMP values, not integers!
2839         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2840         ppl_read_polyhedron_matrix): New.
2841         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2842         debug_ppl_polyhedron_matrix,
2843         ppl_read_polyhedron_matrix): Declared.
2844         * Makefile.in (graphite-poly.o): Depends on output.h.
2845
2846 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2847             Tobias Grosser  <grosser@fim.uni-passau.de>
2848
2849         Revert this change:
2850         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2851         scalar evolutions in the scop_entry->loop_father.
2852
2853 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2854             Tobias Grosser  <grosser@fim.uni-passau.de>
2855
2856         * graphite.h (ref_nb_loops): Remove declaration.
2857         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2858         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2859         debug_gbb): Moved to sese.h.
2860         * sese.h: As said.
2861
2862 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2863             Tobias Grosser  <grosser@fim.uni-passau.de>
2864
2865         * graphite-data-ref.[ch]: Disable.
2866
2867 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2868             Tobias Grosser  <grosser@fim.uni-passau.de>
2869
2870         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2871         scalar evolutions in the scop_entry->loop_father.
2872
2873 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2876         (graphite_cannot_represent_loop_niter): Renamed
2877         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2878         (limit_scops): build_sese_loop_nests does not return a bool.
2879         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2880         * sese.c (nb_reductions_in_loop): ... from here.
2881         (graphite_loop_normal_form): ... from here.
2882         (sese_record_loop): Does not fail, so does not return a bool.
2883         (build_sese_loop_nests): Same.
2884         * sese.h (build_sese_loop_nests): Update declaration.
2885         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2886         (build_graphite_loop_normal_form): New.
2887         (gloog): Call build_graphite_loop_normal_form.
2888         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2889         build_sese_loop_nests.
2890
2891         * testsuite/gcc.dg/graphite/id-1.c: New.
2892
2893 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2894             Tobias Grosser  <grosser@fim.uni-passau.de>
2895
2896         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2897         The SCoP detection fix is sufficient.
2898
2899 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         PR tree-optimization/39260
2902         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2903         the basic block contains a condition with a real type.
2904         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2905
2906         * gcc.dg/graphite/pr39260.c: New.
2907
2908 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         * graphite-poly.c: Inlcude params.h.
2911         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2912         the size of a tile.
2913         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2914         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2915
2916 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2917             Tobias Grosser  <grosser@fim.uni-passau.de>
2918
2919         * graphite-scop-detection.c (dot_all_scops_1,
2920         dot_all_scops): Moved here.
2921         * graphite-scop-detection.h (dot_all_scops): Declared here.
2922         * graphite.c (graphite_initialize, graphite_finalize): New.
2923         (graphite_transform_loops): Cleaned up.
2924         * sese.c (debug_oldivs): Moved here.
2925         * graphite-poly.c (graphite_apply_transformations): Renamed
2926         apply_poly_transforms.
2927         (debug_loop_vec): Moved here.
2928         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2929         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2930         find_scop_parameters, build_scop_iteration_domain,
2931         add_conditions_to_constraints, build_scop_canonical_schedules,
2932         build_scop_data_accesses): Now static.
2933         (build_poly_scop, check_poly_representation): New.
2934
2935 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2936
2937         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2938         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2939         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2940         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2941         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2942         scan_tree_for_params, struct irp_data, dx_record_params,
2943         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2944         build_loop_iteration_domains, add_conditions_to_domain,
2945         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2946         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2947         build_sese_conditions, add_conditions_to_constraints,
2948         build_scop_iteration_domain, build_access_matrix_with_af,
2949         build_access_matrix,
2950         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2951
2952         * graphite-sese-to-poly.c: New.
2953         * graphite-sese-to-poly.h: New.
2954
2955         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2956
2957 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2958
2959         * graphite.c: Split graphite code generation to a new file.
2960         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2961         max_precision_type, clast_to_gcc_expression_red,
2962         clast_to_gcc_expression, gcc_type_for_clast_expr,
2963         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2964         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2965         graphite_create_new_guard, clast_get_body_of_loop,
2966         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2967         graphite_create_new_loop, build_iv_mapping, copy_renames,
2968         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2969         compute_cloog_iv_types, free_scattering, save_var_name,
2970         initialize_cloog_names, build_scop_context, build_cloog_prog,
2971         set_cloog_options, debug_clast_stmt, scop_to_clast,
2972         print_generated_program, debug_generated_program,
2973         gloog): Moved to graphite-clast-to-gimple.c.
2974
2975         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2976
2977         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2978         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2979         loop_iv_stack_pop, loop_iv_stack_get_iv,
2980         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2981         free_loop_iv_stack, loop_iv_stack_remove_constants,
2982         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2983         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2984         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2985         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2986         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2987         get_vdef_before_sese, sese_adjust_vphi,
2988         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2989         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2990         is_iv, expand_scalar_variables_ssa_name,
2991         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2992         expand_scalar_variables, rename_variables, remove_condition,
2993         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2994         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2995         default_liveout_before_guard, add_guard_exit_phis,
2996         insert_guard_phis, register_old_and_new_names,
2997         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2998         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2999         if_region_set_false_region, create_if_region_on_edge,
3000         move_sese_in_condition): Moved to sese.c.
3001
3002         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3003         if_region_exit, if_region_get_condition_block,
3004         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3005         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3006         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3007         ivtype_map_elt, new_ivtype_map_elt,
3008         recompute_all_dominators): Moved to sese.h.
3009
3010         * graphite-clast-to-gimple.c: New.
3011         * graphite-clast-to-gimple.h: New.
3012         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3013         * sese.c: Modified as said above.
3014         * sese.h: Same.
3015
3016 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         * graphite.c: Split scop detection to a new file.
3019         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3020         move_sd_regions, loop_affine_expr, exclude_component_ref,
3021         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3022         graphite_cannot_represent_loop_niter, struct scopdet_info,
3023         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3024         find_single_entry_edge, find_single_exit_edge,
3025         create_single_entry_edge, sd_region_without_exit,
3026         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3027         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3028         Moved to graphite-scop-detection.c.
3029
3030         * graphite-scop-detection.c: New.
3031         * graphite-scop-detection.h: New.
3032         * Makefile.in: Add new rule for graphite-scop-detection.o.
3033
3034         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3035         tree-scalar-evolution.h.
3036         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3037         build_sese_loop_nests): Moved here from graphite.c.
3038         (param_index): Renamed parameter_index_in_region.
3039
3040 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3041             Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * gcc.dg/graphite/block-0.c: Expected to fail now.
3044         * gcc.dg/graphite/block-1.c: Same.
3045         * gcc.dg/graphite/block-5.c: Same.
3046         * gcc.dg/graphite/block-6.c: Same.
3047
3048 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3049             Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         * graphite.h: Separate from graphite_bb_p the polyhedral
3052         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3053         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3054         graphite-data-ref.h.
3055         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3056         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3057         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3058         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3059         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3060         scop_nb_params): Moved to graphite-poly.h.
3061         * graphite-data-ref.c: Same.
3062         * graphite-data-ref.h: New.
3063         * graphite.c: Same.
3064         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3065         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3066         is_interchange_valid, graphite_trans_bb_block,
3067         graphite_trans_loop_block, scop_max_loop_depth,
3068         graphite_trans_scop_block, graphite_apply_transformations,
3069         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3070         graphite-poly.c.
3071         * graphite-poly.h: New.
3072         * graphite-poly.c: New.
3073         * Makefile.in (OBJS-common): Add graphite-poly.o.
3074         (graphite-poly.o): New rule.
3075         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3076         (DR_SCOP): Removed.
3077
3078 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3079             Tobias Grosser  <grosser@fim.uni-passau.de>
3080
3081         * graphite.c: Replace gb -> gbb.
3082         * graphite.h: Same.
3083         * graphite-data-ref.c: Same.
3084
3085 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3086             Tobias Grosser  <grosser@fim.uni-passau.de>
3087
3088         * Makefile.in (OBJS-commmon): Add sese.o.
3089         (sese.o): New.
3090         (graphite.o): Add sese.h.
3091         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3092         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3093         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3094         Move to sese.
3095         (block_before_scop): Add missing return.
3096         (new_scop, free_scop): Remove SESE data structures.
3097         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3098         find_scop_parameters, build_loop_iteration_domains,
3099         add_conditions_to_domain, register_scop_liveout_renames,
3100         copy_bb_and_scalar_dependences): Scop -> SESE.
3101
3102         (add_conditions_to_domain): SCoP -> SESE and remove check
3103         (scop_contains_non_iv_scalar_phi_nodes): New.
3104         (build_scop_conditions_1, build_scop_conditions): Remove check for
3105         non iv scalar phi nodes.
3106         (print_scop_statistics): New.
3107         (graphite_transform_loops): Cleanup.
3108
3109         * graphite.h: Move to sese & cleanup.
3110         * sese.c: New.
3111         * sese.h: New.
3112
3113 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3114             Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * graphite.c (build_scop_conditions_1): Conditions are only
3117         at the end of a basic block.
3118
3119 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3120             Tobias Grosser  <grosser@fim.uni-passau>
3121
3122         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3123         field.
3124         (GBB_ALPHA): Removed.
3125
3126 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3127             Tobias Grosser  <grosser@fim.uni-passau.de>
3128
3129         * graphite-data-ref.c (graphite_test_dependence): Don't use
3130         GBB_DYNAMIC_SCHEDULE.
3131         * graphite.c (new_graphite_bb): Same.
3132         (free_graphite_bb): Same.
3133         (build_scop_dynamic_schedules): Removed.
3134         (graphite_transform_loops): Don't call it.
3135         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3136         (GBB_DYNAMIC_SCHEDULE): Removed.
3137
3138 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3139             Tobias Grosser  <grosser@fim.uni-passau.de>
3140
3141         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3142         (print_graphite_bb): Same.
3143         (build_cloog_prog): Same.
3144
3145 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3146             Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3149
3150 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3151             Tobias Grosser  <grosser@fim.uni-passau.de>
3152
3153         * graphite.c (build_scop_context): Don't use CloogMatrix.
3154         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3155         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3156
3157 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3158             Tobias Grosser  <grosser@fim.uni-passau.de>
3159
3160         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3161         liveout_renames, add_params fields...
3162         (struct sese): ... here.
3163         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3164         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3165
3166 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3167             Tobias Grosser  <grosser@fim.uni-passau.de>
3168
3169         * graphite.c (print_scop): Do not print the CLooG program.
3170         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3171         build_cloog_prog, gloog): Don't use SCOP_PROG.
3172         (find_transform): Renamed scop_to_clast.
3173         (print_generated_program, debug_generated_program): New.
3174         (graphite_transform_loops): Adapt to new interface.
3175         * graphite.h (struct scop): Remove program field.
3176         (SCOP_PROG): Removed.
3177         (print_generated_program, debug_generated_program): Declared.
3178
3179 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3182         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3183         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3184         free_graphite_bb, build_scop_canonical_schedules,
3185         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3186         schedules are now represented using a ppl_Linear_Expression_t.
3187         * graphite.h (struct graphite_bb): Same.
3188         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3189         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3190
3191 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3192
3193         * graphite.c: Free local memory.
3194         * graphite-ppl.c: Same.
3195
3196 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3199         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3200         swap_constraint_variables, scale_constraint_variable): Removed.
3201         (graphite_trans_bb_strip_mine): Remove pong.
3202         * graphite-ppl.c: Include missing header files.
3203         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3204         * graphite-ppl.h (ppl_strip_loop): Declared.
3205         * Makefile.in (graphite-ppl.o): Adjust dependences.
3206
3207 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3210         (build_scop_iteration_domain): Same.
3211
3212 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3215         ping pong.
3216         (add_value_to_dim, scan_tree_for_params_right_scev,
3217         scan_tree_for_params_int): New.
3218         * graphite-ppl.c (oppose_constraint): New.
3219         (insert_constraint_into_matrix): Implement missing cases.
3220         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3221
3222 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3225         use ppl_move_dimension.
3226
3227 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3228
3229         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3230         * graphite.c: Same.
3231         * graphite.h: Same.
3232         * graphite-ppl.c: Same.
3233         * graphite-ppl.h: Same.
3234
3235 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         Revert last 3 commits.
3238
3239 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3242         ping pong.
3243         (add_value_to_dim, scan_tree_for_params_right_scev,
3244         scan_tree_for_params_int): New.
3245         * graphite-ppl.c (oppose_constraint): New.
3246         (insert_constraint_into_matrix): Implement missing cases.
3247         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3248
3249 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3252
3253 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3254             Tobias Grosser  <grosser@fim.uni-passau.de>
3255
3256         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3257         use ppl_move_dimension.
3258         * graphite-ppl.c (ppl_move_dimension): New.
3259         * graphite-ppl.h (ppl_move_dimension): Declared.
3260
3261 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite.c: Do not include cloog/cloog.h.
3264         (print_graphite_bb): Remove ping pong, call PPL print function.
3265
3266 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3267
3268         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3269         (graphite.o): Add dependence on graphite-ppl.h.
3270         (graphite-ppl.o): New.
3271         (graphite-data-ref.c): Ping pong between PPL data structures
3272         and matrices.
3273         * graphite-ppl.c: New.
3274         * graphite-ppl.h: New.
3275         * graphite.c: Include graphite-ppl.h.
3276         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3277         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3278         Ping pong between PPL data structures and matrices.
3279         (new_graphite_bb): Create a PPL constraint system.
3280         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3281         (build_loop_iteration_domains): Use PPL functions.
3282         * graphite.h: Include graphite-ppl.h.  Fix comments.
3283         (graphite_bb): Use a ppl_Constraint_System_t instead of
3284         CloogMatrix for representing the domain.
3285         (scop): Remove static_schedule.
3286         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3287
3288 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         * graphite.c: Fix some comments.
3291
3292 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         PR middle-end/38953
3295         * graphite.c (if_region_set_false_region): After moving a region
3296         in the false branch of a condition, remove the empty dummy
3297         basic block.
3298         (gloog): Remove wrong fix for PR38953.
3299
3300 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3301
3302         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3303         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3304         register_bb_in_sese, new_sese, free_sese): Moved.
3305         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3306         outermost_loop_in_scop, build_scop_iteration_domain,
3307         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3308         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3309         Use loop_in_sese_p instead of loop_in_scop_p.
3310         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3311         (free_scop): Do not free SCOP_BBS_B.
3312         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3313         ref_nb_loops): Moved here...
3314         * graphite.h (ref_nb_loops): ... from here.
3315         (struct scop): Remove bbs_b bitmap.
3316         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3317         * testsuite/gcc.dg/graphite/scop-19.c: New
3318
3319 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3320
3321         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3322         detection.
3323
3324 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3325
3326         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3327         eq_loop_to_cloog_loop): Remove.
3328         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3329         * graphite.h (struct scop): Remove loop2cloog_loop.
3330         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3331
3332 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3333
3334         * opts.c (decode_options): Only add graphite options to O2
3335         if we compile with graphite enabled.
3336
3337 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * Merge from mainline (r143163:143684).
3340
3341 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * graphite.c (debug_value): Removed.
3344         * graphite.h (debug_value): Removed.
3345
3346 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3349         after graphite: pass_copy_prop does not maintain a proper loop closed
3350         SSA form.  pass_copy_prop should be fixed.
3351
3352 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3355
3356 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3359         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3360         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3361         changed the CFG.
3362
3363 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3364
3365         * graphite.c (gloog): Return true when code gen succeeded.
3366         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3367         the code of the function did not changed.  After cleanup_tree_cfg
3368         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3369         form.
3370
3371 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3374         gimple_call_lhs is NULL.
3375
3376 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3377             Tobias Grosser  <tobi.grosser@amd.com>
3378
3379         * graphite.c (graphite_trans_scop_block): Do not block single
3380         nested loops.
3381
3382 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3383             Tobias Grosser  <tobi.grosser@amd.com>
3384
3385         * graphite.c (build_scop_canonical_schedules): Start schedules at
3386         zero.
3387
3388 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3389             Tobias Grosser  <tobi.grosser@amd.com>
3390
3391         * graphite.c (compare_prefix_loops): New.
3392         (build_scop_canonical_schedules): Rewritten.
3393         (graphite_transform_loops): Move build_scop_canonical_schedules
3394         after build_scop_iteration_domain.
3395
3396 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3397             Tobias Grosser  <tobi.grosser@amd.com>
3398
3399         * graphite.c (add_conditions_to_domain): Add the loops to
3400         the dimension of the iteration domain.  Do copy the domain
3401         only when it exists.
3402         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3403         (add_conditions_to_constraints): New.
3404         (can_generate_code_stmt, can_generate_code): Removed.
3405         (gloog): Do not call can_generate_code.
3406         (graphite_transform_loops): Call add_conditions_to_constraints
3407         after building the iteration domain.
3408
3409 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3410             Tobias Grosser  <tobi.grosser@amd.com>
3411             Jan Sjodin  <jan.sjodin@amd.com>
3412
3413         * graphite.c (scan_tree_for_params): On substractions negate
3414         all the coefficients of the term.
3415         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3416         of more than two operands.
3417         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3418         (get_vdef_before_scop): Handle also the case of default definitions.
3419
3420 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3421
3422         PR middle-end/38431
3423         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3424         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3425         (gloog): Do not call cleanup_tree_cfg.
3426         (graphite_transform_loops): Call cleanup_tree_cfg after all
3427         scops have been code generated.
3428
3429 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * passes.c (init_optimization_passes): Schedule after
3432         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3433
3434 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3437         Fix comment.
3438         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3439         Set the type of an expression to the type of its assign statement.
3440         (expand_scalar_variables_expr):  Do not pass loop_p.
3441         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3442         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3443         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3444
3445 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3446
3447         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3448         an expression to the gimple_expr_type of its assign statement.
3449         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3450         or tcc_declaration.
3451
3452 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         PR tree-optimization/38786
3455         * testsuite/gcc.dg/graphite/pr38786.c: New.
3456         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3457         the SSA_NAME case of expand_scalar_variables_expr.
3458         (expand_scalar_variables_expr): Also gather the scalar computation
3459         used to index the memory access.
3460         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3461         the gimple_stmt_iterator where it inserts new code.
3462
3463 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3464
3465         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3466
3467 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3468
3469         * opts.c (decode_options): Enable flag_graphite_identity and
3470         flag_loop_block in -O2 and above.
3471
3472 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3473
3474         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3475         Fix merge problem: replace with the file from trunk.
3476
3477 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * Merge from mainline (r141727:143163).
3480
3481 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3482             Jan Sjodin  <jan.sjodin@amd.com>
3483
3484         PR tree-optimization/38559
3485         * testsuite/gcc.dg/graphite/pr38559.c: New.
3486
3487         * graphite.c (debug_value, copy_constraint,
3488         swap_constraint_variables, scale_constraint_variable, ): New.
3489         (get_lower_bound, get_upper_bound): Removed.
3490         (graphite_trans_bb_strip_mine): Clean up this code that works
3491         only for constant number of iterations.  Fully copy upper and
3492         lower bound constraints, not only the constant part of them.
3493         * graphite.h (debug_value): Declared.
3494
3495 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3496
3497         PR tree-optimization/38492
3498         PR tree-optimization/38498
3499         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3500         * tree-chrec.h (scev_is_linear_expression): Declared.
3501         * graphite.c (graphite_cannot_represent_loop_niter): New.
3502         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3503         (graphite_loop_normal_form): Use gcc_assert.
3504         (scan_tree_for_params): Use CASE_CONVERT.
3505         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3506         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3507         Use gcc_assert.  Discard scops that contain unhandled cases.
3508         (build_scop_conditions): Return a boolean status for unhandled cases.
3509         (strip_mine_profitable_p): Print the loop number, not its depth.
3510         (is_interchange_valid): Pass the depth of the loop nest, don't
3511         recompute it wrongly.
3512         (graphite_trans_bb_block): Same.
3513         (graphite_trans_bb_block): Print tentative of loop blocking.
3514         (graphite_trans_scop_block): Do not print that the loop has been
3515         blocked.
3516         (graphite_transform_loops): Do not handle scops that contain condition
3517         scalar phi nodes.
3518
3519         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3520         in trunk.
3521         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3522         * testsuite/gcc.dg/graphite/block-1.c: Same.
3523         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3524         blocking.
3525         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3526         * testsuite/gcc.dg/graphite/block-3.c: New.
3527         * testsuite/gcc.dg/graphite/pr38498.c: New.
3528
3529 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3530
3531         PR tree-optimization/38510
3532         * gcc.dg/graphite/pr38510.c: New.
3533         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3534           (translate_clast): Call recompute_all_dominators before
3535           graphite_verify.
3536           (gloog): Call recompute_all_dominators before graphite_verify.
3537
3538 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3539
3540         PR tree-optimization/38492
3541         * graphite.c (rename_map_elt, debug_rename_elt,
3542         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3543         rename_map_elt_info, eq_rename_map_elts,
3544         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3545         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3546         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3547         (sese_build_livein_liveouts): New.
3548         (new_sese, free_sese): New.
3549         (new_scop): Call new_sese.
3550         (free_scop): Call free_sese.
3551         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3552         (register_old_new_names): Renamed register_old_and_new_names.
3553         (register_scop_liveout_renames, add_loop_exit_phis,
3554         insert_loop_close_phis, struct igp,
3555         default_liveout_before_guard, add_guard_exit_phis,
3556         insert_guard_phis, copy_renames): New.
3557         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3558         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3559         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3560         (scop_adjust_phis_for_liveouts): New.
3561         (gloog): Call scop_adjust_phis_for_liveouts.
3562
3563         * graphite.h (struct sese): Documented.  Added fields liveout,
3564         num_ver and livein.
3565         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3566         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3567         (struct scop): Added field liveout_renames.
3568         (SCOP_LIVEOUT_RENAMES): New.
3569
3570 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3571
3572         PR tree-optimization/38409
3573         * gcc.dg/graphite/pr38409.c: New.
3574         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3575
3576 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3577
3578         * graphite.c (gcc_type_for_cloog_iv): By default return
3579         integer_type_node.
3580         (graphite_create_new_loop): Don't fold_convert the already
3581         fold_convert-ed expression.
3582
3583 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3584
3585         PR tree-optimization/38446
3586         * gcc.dg/graphite/pr38446.c: New.
3587         * graphite.c (register_bb_in_sese): New.
3588         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3589         looking at the bbs in the region.
3590         * graphite.h (sese): Add region_basic_blocks pointer set to
3591         structure and initialize at the time of defining new scop.
3592
3593 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3594
3595         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3596         (find_params_in_bb): Do not free data refs.
3597         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3598
3599 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3600
3601         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3602         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3603         * testsuite/gcc.dg/graphite/block-5.c: New.
3604         * testsuite/gcc.dg/graphite/block-6.c: New.
3605         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3606         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3607         * testsuite/gcc.dg/graphite/block-2.c: Same.
3608
3609         * graphite.c (struct ivtype_map_elt): New.
3610         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3611         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3612         gcc_type_for_cloog_iv): New.
3613         (loop_iv_stack_patch_for_consts): Use the type of the induction
3614         variable from the original loop, except for the automatically
3615         generated loops, i.e., in the case of a strip-mined loop, in
3616         which case there is no original loop: in that case just use
3617         integer_type_node.
3618         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3619         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3620         (clast_name_to_gcc): Accept params to be NULL.
3621         (clast_to_gcc_expression): Take an extra parameter for the type.
3622         Convert to that type all the expressions built by this function.
3623         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3624         (graphite_translate_clast_equation): Compute the type of the
3625         clast_equation before translating its LHS and RHS.
3626         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3627         (graphite_create_new_loop): Compute the type of the induction
3628         variable before translating the lower and upper bounds and before
3629         creating the induction variable.
3630         (rename_variables_from_edge, rename_phis_end_scop): New.
3631         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3632         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3633         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3634         compute_cloog_iv_types): New.
3635         (gloog): Call compute_cloog_iv_types before starting the
3636         translation of the clast.
3637
3638         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3639         (GBB_CLOOG_IV_TYPES): New.
3640         (debug_ivtype_map): Declared.
3641         (oldiv_for_loop): New.
3642
3643 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3644
3645         PR middle-end/38459
3646         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3647         (param_index): Assert if parameter is not know after parameter
3648         detection.
3649         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3650         (find_scop_parameters): Mark, that we have finished parameter
3651         detection.
3652         (graphite_transform_loops): Move condition detection before parameter
3653         detection.
3654         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3655         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3656
3657 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3658
3659         * graphite.c (graphite_transform_loops): Always call find_transform ()
3660         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3661         generate code.
3662
3663 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3664
3665         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3666         (print_scop): Ditto.
3667
3668 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3669
3670         PR middle-end/38084
3671         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3672         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3673         regions more than once.
3674
3675 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3678         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3679         when not needed.
3680
3681 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3684         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3685         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3686         (max_precision_type): New.
3687         (value_clast): Removed.
3688         (clast_to_gcc_expression): Be more careful to types of expressions.
3689         Use max_precision_type and update use of gmp_cst_to_tree.
3690         (graphite_translate_clast_equation): Use max_precision_type.
3691         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3692         use the type of the condition.
3693         (graphite_create_new_loop): Do not use integer_type_node, use the
3694         max_precision_type of lb and ub.
3695
3696 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3697
3698         * graphite.c (build_scops_1): Initialize open_scop.exit
3699         and sinfo.last.
3700
3701 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * testsuite/gcc.dg/graphite/pr38084.c: New.
3704         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3705         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3706         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3707         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3708         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3709
3710 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3711             Jan Sjodin  <jan.sjodin@amd.com>
3712             Harsha Jagasia  <harsha.jagasia@amd.com>
3713
3714         PR middle-end/37852
3715         PR middle-end/37883
3716         PR middle-end/37928
3717         PR middle-end/37980
3718         PR middle-end/38038
3719         PR middle-end/38039
3720         PR middle-end/38073
3721         PR middle-end/38083
3722         PR middle-end/38125
3723
3724         * testsuite/gcc.dg/graphite/pr38073.c: New.
3725         * testsuite/gcc.dg/graphite/pr37928.c: New.
3726         * testsuite/gcc.dg/graphite/pr37883.c: New.
3727         * testsuite/gcc.dg/graphite/pr38125.c: New.
3728         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3729         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3730         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3731
3732         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3733         the number of detected scops.  Copy exact same test for loop
3734         blocking...
3735         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3736         loops to be blocked as reductions are not handled.
3737         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3738
3739         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3740         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3741         ...here.
3742         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3743         * Makefile.in (graphite.o): Depend on value-prof.h.
3744         (graphite.o-warn): Removed -Wno-error.
3745         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3746         to be a NULL pointer.  Call update_stmt.  Return the newly created
3747         cannonical induction variable.
3748
3749         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3750
3751         * graphite.c: Reimplement the code generation from graphite to gimple.
3752         Include value-prof.h.
3753         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3754         (get_old_iv_from_ssa_name): Removed.
3755         (graphite_stmt_p): New.
3756         (new_graphite_bb): Test for useful statements before building a
3757         graphite statement for the basic block.
3758         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3759         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3760         reason.
3761         (recompute_all_dominators, graphite_verify,
3762         nb_reductions_in_loop, graphite_loop_normal_form): New.
3763         (scop_record_loop): Call graphite_loop_normal_form.
3764         (build_scop_loop_nests): Iterate over all the blocks of the
3765         function instead of relying on the incomplete information from
3766         SCOP_BBS.  Return the success of the operation.
3767         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3768         (add_bb_domains): Removed.
3769         (build_loop_iteration_domains): Don't call add_bb_domains.
3770         Add the iteration domain only to the basic blocks that have been
3771         translated to graphite.
3772         (build_scop_conditions_1): Add constraints only if the basic
3773         block have been translated to graphite.
3774         (build_scop_data_accesses): Completely disabled until data
3775         dependence is correctly implemented.
3776         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3777         (remove_all_edges_1, remove_all_edges): Removed.
3778         (get_new_name_from_old_name): New.
3779         (graphite_rename_variables_in_stmt): Renamed
3780         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3781         Use replace_exp and update_stmt.
3782         (is_old_iv): Renamed is_iv.
3783         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3784         Use replace_exp and update_stmt.
3785         (expand_scalar_variables_expr): Same.  Use the map to get the
3786         new names for the renaming of induction variables and for the
3787         renaming of variables after a basic block has been copied.
3788         (expand_scalar_variables): Same.
3789         (graphite_rename_variables): Renamed rename_variables.
3790         (move_phi_nodes): Removed.
3791         (get_false_edge_from_guard_bb): New.
3792         (build_iv_mapping): Do not insert the induction variable of a
3793         loop in the renaming iv map if the basic block does not belong
3794         to that loop.
3795         (register_old_new_names, graphite_copy_stmts_from_block,
3796         copy_bb_and_scalar_dependences): New.
3797         (translate_clast): Heavily reimplemented: copy basic blocks,
3798         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3799         At each translation step call graphite_verify ensuring the
3800         consistency of the SSA, loops and dominators information.
3801         (collect_virtual_phis, find_vdef_for_var_in_bb,
3802         find_vdef_for_var_1, find_vdef_for_var,
3803         patch_phis_for_virtual_defs): Removed huge hack.
3804         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3805         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3806         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3807         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3808         if_region_get_condition_block, if_region_set_false_region,
3809         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3810         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3811         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3812         rewrite_into_sese_closed_ssa): New.
3813         (gloog): Remove dead code.  Early return if code cannot be
3814         generated.  Call cleanup_tree_cfg once the scop has been code
3815         generated.
3816         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3817         block loops with less than two loops.
3818         (graphite_apply_transformations): Remove the call to
3819         scop_remove_ignoreable_gbbs.
3820         (limit_scops): When build_scop_loop_nests fails, continue on
3821         the next scop.  Fix open_scop.entry.
3822         (graphite_transform_loops): Call recompute_all_dominators: force the
3823         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3824         Call initialize_original_copy_tables and free_original_copy_tables
3825         to be able to copy basic blocks during code generation.
3826         When build_scop_loop_nests fails, continue on next scop.
3827         (value_clast): New union.
3828         (clast_to_gcc_expression): Fix type cast warning.
3829
3830 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         * Merge from mainline (r140838:141727).
3833
3834 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3835
3836         PR middle-end/37833
3837
3838         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3839
3840 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3841
3842         PR middle-end/37943
3843
3844         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3845         exits and conditions.
3846         * testsuite/gcc.dg/graphite/pr37943.c: New.
3847
3848 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3849
3850         PR middle-end/37886
3851         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3852
3853 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3854
3855         * doc/invoke.texi: Fix spaces.
3856
3857 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         PR tree-optimization/37891
3860         Reverted last commit.
3861         * graphite.c (create_single_entry_edge): Set
3862         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3863
3864 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3865             Mitul Thakkar  <mitul.thakkar@amd.com>
3866
3867         * graphite.c (create_single_entry_edge): Set
3868         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3869
3870 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3871
3872         * doc/invoke.texi: Add -fgraphite-identity.
3873         * graphite.c (graphite_apply_transformations): Check for
3874         -fgraphite-identity.
3875         * toplev.c (process_options): Add flag_graphite_identity.
3876         * tree-ssa-loop.c: Add flag_graphite_identity.
3877
3878 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         Undo changes from 2008-10-02:
3881         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3882         operand type when copying the operand to a variable of different type.
3883         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3884         with the IV name after increment.
3885
3886 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3887             Harsha Jagasia  <harsha.jagasia@amd.com>
3888
3889         PR tree-optimization/37828
3890         * testsuite/gcc.dg/graphite/pr37828.c: New.
3891         * graphite.c (graphite_trans_loop_block): Do not loop block
3892         single nested loops.
3893
3894 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3895             Sebastian Pop  <sebastian.pop@amd.com>
3896
3897         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3898         rename_map_elt_info, eq_rename_map_elts): New.
3899         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3900         (expand_scalar_variables_expr): Change parameters.
3901         (expand_scalar_variables_stmt): Same.
3902         (expand_scalar_variables): Same.
3903         (graphite_rename_ivs): Rename graphite_rename_variables.
3904         (build_iv_mapping): New.
3905         (translate_clast): Call build_iv_mapping.
3906         * graphite.h (gbb_p): New name.
3907
3908 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3909
3910         PR tree-optimization/37684