gcc/ChangeLog.graphite

   1 2009-10-20  Li Feng  <nemokingdom@gmail.com>
   2
   3         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
   4         (translate_clast): Pass an extra parameter LEVEL.
   5         Call get_scattering_level.
   6         * graphite-clast-to-gimple.h (get_scattering_level): New.
   7
   8 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
  11         * cfgloop.h (struct loop): New field single_iv.
  12
  13         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
  14         loop->aux anymore: use loop->single_iv.
  15         (graphite_loop_normal_form): Moved...
  16         (build_graphite_loop_normal_form): Removed.
  17         (gloog): Do not call build_graphite_loop_normal_form.
  18         (free_aux_in_new_loops): Moved...
  19         (mark_loops_parallel): Restructure.
  20         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
  21         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
  22         (scop_canonicalize_loops): New.
  23         (build_poly_scop): Call scop_canonicalize_loops.
  24         * graphite.c (free_aux_in_new_loops): ...here.
  25
  26 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  27
  28         * g++.dg/graphite/graphite.exp: Add the same rules as in
  29         gcc.dg/graphite/graphite.exp.
  30
  31 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         * g++.dg/graphite/id-1.C: New.
  34
  35 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
  38         argument base_name.
  39         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
  40         (rewrite_phi_out_of_ssa): Same.
  41         (rewrite_cross_bb_scalar_deps): Same.
  42         (translate_scalar_reduction_to_array): Same.
  43
  44 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  45
  46         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
  47         dump_alias_graphs.
  48
  49 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  50
  51         * graphite-sese-to-poly.c (dump_alias_graphs): New.
  52         (build_scop_drs): Call dump_alias_graphs.
  53
  54 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
  57         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
  58         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
  59         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
  60         * graphite-poly.h (free_lst): New.
  61         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
  62         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
  63
  64 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
  65
  66         * graphite-poly.h (struct scop): Add a field saved_schedule.
  67         (SCOP_SAVED_SCHEDULE): New.
  68         (store_lst_schedule): New.
  69         (restore_lst_schedule): New.
  70         (store_scattering): Call store_lst_schedule.
  71         (restore_scattering): Call restore_lst_schedule.
  72
  73 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
  76         (pdr_add_alias_set): Same.
  77         (build_poly_dr): Same.
  78         (build_alias_set_optimal_p): Same.
  79         (build_base_obj_set_for_drs): Same.  Do not store the result of
  80         graphds_dfs.
  81
  82 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
  85         all_components_are_cliques to 1.
  86
  87 2009-10-20  Li Feng  <nemokingdom@gmail.com>
  88
  89         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
  90         the new structure.
  91         (pdr_add_alias_set): Update retrieving alias_set_num.
  92         (build_poly_dr): Update retrieving dr_base_object_set.
  93         (partition_drs_to_sets): Remove.
  94         (build_alias_set_optimal_p): New.
  95         (build_alias_set_for_drs): Rename.
  96         (build_scop_drs): Update.
  97         * graphite-sese-to-poly.h (struct base_alias_pair): New.
  98         (ALIAS_SET_INDEX): Remove.
  99         (BASE_OBJECT_SET_INDEX): Remove.
 100
 101 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 104
 105 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 108         loop upper bounds for 1-element arrays at end of structures.
 109         * tree-flow.h (array_at_struct_end_p): Declared.
 110         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 111
 112 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 113
 114         * g++.dg/graphite/pr41305.C: New.
 115
 116 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 117
 118         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 119         construction of parameter constraints from loop iteration analysis.
 120         * gcc.dg/graphite/run-id-2.c: New test.
 121
 122 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 123
 124         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 125         and new_cstr.
 126
 127 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         * graphite-dependences.c (dependence_polyhedron_1): Remove
 130         unused gdim dimensions from the DDR polyhedron.
 131
 132 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 133
 134         * graphite-dependences.c (pddr_transformed_scattering): New.
 135         (dot_original_deps_stmt_1): New.
 136         (dot_transformed_deps_stmt_1): New.
 137         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 138         dot_transformed_deps_stmt_1.
 139         (dot_original_deps): New.
 140         (dot_transformed_deps): New.
 141         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 142
 143 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 144
 145         * graphite-dependences.c (reduction_dr_1): Remove wrong
 146         assert: reduction BBs can have multiple reduction writes
 147         to memory.  interchange-3.f90 is an example.
 148
 149 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         * gfortran.dg/graphite/interchange-3.f90: New.
 152
 153 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 156
 157 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 158
 159         * graphite-dependences.c (dependence_polyhedron_1): Add the
 160         context to the dependence polyhedron.
 161
 162 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 165         PBB_PDR_DUPLICATES_REMOVED.
 166         (new_poly_bb): Same.
 167
 168 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 171         SCOP_CONTEXT.
 172         (build_loop_iteration_domains): Extract bounds on parameters
 173         based on the data size.
 174         (build_scop_context): Do not initialize SCOP_CONTEXT;
 175         add new constraints.
 176
 177 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 180         * graphite-ppl.h (graphite-ppl.h): Declared.
 181
 182 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 183
 184         * graphite-ppl.c (ppl_print_linear_expr): New.
 185         (debug_ppl_linear_expr): New.
 186         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 187         (debug_ppl_linear_expr): Declared.
 188
 189 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         * graphite-interchange.c: Fix comments.
 192         * gcc.dg/graphite/block-1.c: Fix comments.
 193
 194 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 195
 196         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 197         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 198
 199 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 200
 201         Reapply the patch from Alexander Monakov that disappeared during
 202         the last merges from trunk.
 203
 204         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 205
 206         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 207         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 208
 209 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 210
 211         * graphite-interchange.c (memory_stride_in_loop): The depth
 212         argument corresponds to a dynamic time dimension, so use
 213         psct_dynamic_dim to refer to the transformed scattering dimension.
 214
 215 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 216
 217         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 218
 219 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 220
 221         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 222         root of the LST.
 223         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 224         the root of the LST.
 225         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 226         fake loop.
 227         (print_lst): Print the root of LST in a different format.
 228         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 229
 230 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 231
 232         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 233
 234 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         * doc/passes.texi: Document the Graphite infrastructure.
 237
 238 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 239
 240         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 241         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 242         and check the SSA representation.
 243
 244         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 245
 246 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 249
 250 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 251
 252         * gcc.dg/graphite/interchange-11.c: New.
 253
 254 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 257
 258 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 261         Add -fno-loop-strip-mine and -fno-loop-interchange.
 262         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 263         -fno-loop-strip-mine.
 264         * gfortran.dg/graphite/graphite.exp: Same.
 265
 266 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 269         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 270         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 271         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 272         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 273         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 274         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 275         DEFAULT_FLAGS_GRAPHITE_SCOP.
 276         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 277         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 278
 279 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 280
 281         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 282
 283 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 284             Sebastian Pop  <sebastian.pop@amd.com>
 285
 286         * graphite-interchange.c (build_linearized_memory_access): Pass an
 287         offset as parameter.
 288         (memory_stride_in_loop): Include transform scattering in the
 289         access functions to be able to querry the strides in the
 290         transformed loops.
 291         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 292         not the psct_iterator_dim.
 293
 294 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 297         (lst_do_strip_mine_loop): New.
 298         (lst_do_strip_mine): New.
 299         (scop_do_strip_mine): Call lst_do_strip_mine.
 300         * graphite-poly.h (lst_add_loop_under_loop): New.
 301         (lst_find_first_pbb): New.
 302
 303 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 304
 305         * graphite-poly.c (loop_to_lst): Fix LST creation.
 306
 307 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 308
 309         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 310         sizeof(unsigned long) to make it run on 32bit systems.
 311
 312 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 313
 314         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 315         SEGFAULT on 32bit.
 316
 317 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 318
 319         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 320         Comment.
 321         (write_alias_graph_to_ascii_dot): New.
 322         (write_alias_graph_to_ascii_ecc): Ditto.
 323         (partition_drs_to_sets): Add testing of optimality of current method
 324         which assigns alias numbers according to DFS Comopnent number.  used
 325         as heuristic for the upcoming ECC algorithm.
 326         (build_scop_drs): Write to file also with the ecc and dot format.
 327
 328 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 329
 330         * gfortran.dg/graphite/interchange-1.f: XFail.
 331
 332 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 333
 334         * graphite.c (graphite_initialize): Do not handle functions with
 335         more than 100 basic blocks.
 336
 337 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 338
 339         * graphite-blocking.c (pbb_do_strip_mine): Use
 340         PARAM_LOOP_BLOCK_TILE_SIZE.
 341
 342 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * graphite-poly.c (dot_lst_1): New.
 345         (dot_lst): New.
 346         * graphite-poly.h (dot_lst): Declared.
 347
 348 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-dependences.c (dot_deps_stmt_1): New.
 351         (dot_deps_stmt): New.
 352         * graphite-dependences.h (dot_deps_stmt): Declared.
 353
 354 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 357         not replace cross BB scalar dependences ending on PHI nodes.
 358         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 359
 360 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * graphite-poly.c (apply_poly_transforms): Implement the high
 363         level driver for flag_loop_block.
 364         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 365         flag_loop_block.
 366
 367         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 368         -floop-block.
 369         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 370         Add -floop-block.
 371
 372 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * graphite-poly.h (lst_find_pbb): New.
 375         (find_lst_loop): New.
 376
 377 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 380         * graphite-poly.h (struct scop): Remove dep_graph field.
 381         (SCOP_DEP_GRAPH): Removed.
 382
 383 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 384
 385         * graphite-poly.h (copy_lst): Do full copy of LST.
 386
 387 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 390         when the loop stride is zero.
 391
 392         * gcc.dg/graphite/id-16.c: New.
 393
 394 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 395
 396         * graphite-dependences.c (reduction_dr_1): New.
 397         (reduction_dr_p): New.
 398         (graphite_legal_transform_dr): Call reduction_dr_p.
 399         (reduction_ddr): Renamed reduction_ddr_p.
 400         * graphite-poly.h (same_pdr_p): New.
 401         (number_of_write_pdrs): New.
 402         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 403         (split_reduction_stmt): Do not split reduction statements
 404         when there are no writes to memory.
 405         (translate_scalar_reduction_to_array_for_stmt): Insert the
 406         memory reduction statement just after the scalar reduction statement.
 407
 408         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 409         Un-XFAIL-ed.
 410         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 411         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 412
 413 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         * graphite-interchange.c (lst_apply_interchange): New.
 416         (lst_interchange_profitable_p): New.
 417         (lst_try_interchange_loops): New.
 418         (lst_try_interchange): New.
 419         (lst_do_interchange): New.
 420         (pbb_do_interchange): Removed.
 421         (scop_do_interchange): Call lst_do_interchange.
 422
 423 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 426         SCOP_TRANSFORMED_SCHEDULE.
 427         (loop_to_lst): New.
 428         (scop_to_lst): New.
 429         (print_lst): New.
 430         (debug_lst): New.
 431         * graphite-poly.h (lst_p): New.
 432         (struct lst): New.
 433         (LST_LOOP_P): New.
 434         (LST_LOOP_FATHER): New.
 435         (LST_PBB): New.
 436         (LST_SEQ): New.
 437         (scop_to_lst): Declared.
 438         (print_lst): Declared.
 439         (debug_lst): Declared.
 440         (new_lst_loop): New.
 441         (new_lst_stmt): New.
 442         (copy_lst): New.
 443         (lst_depth): New.
 444         (lst_dewey_number): New.
 445         (struct scop): Add original_schedule and transformed_schedule fields.
 446         (SCOP_ORIGINAL_SCHEDULE): New.
 447         (SCOP_TRANSFORMED_SCHEDULE): New.
 448         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 449
 450 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 451
 452         * graphite-dependences.c (reduction_ddr): New.
 453         (graphite_legal_transform_bb): Call reduction_ddr.
 454         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 455         Initialize PBB_IS_REDUCTION.
 456         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 457         (PBB_IS_REDUCTION): New.
 458         (new_poly_bb): Update declaration.
 459         * graphite-scop-detection.h (build_scop_bbs): Removed.
 460         (nb_reductions_in_loop): Removed.
 461         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 462         parameter for reductions.
 463         (try_generate_gimple_bb): Update call to new_poly_bb.
 464         (build_scop_bbs_1): Same.
 465         (build_scop_bbs): Same.
 466         (gsi_for_phi_node): New.
 467         (scalar_close_phi_node_p): Remove gcc_assert.
 468         (split_reduction_stmt): New.
 469         (is_reduction_operation_p): New.
 470         (phi_contains_arg): New.
 471         (follow_ssa_with_commutative_ops): New.
 472         (detect_commutative_reduction_arg): New.
 473         (detect_commutative_reduction_assign): New.
 474         (follow_inital_value_to_phi): New.
 475         (edge_initial_value_for_loop_phi): New.
 476         (initial_value_for_loop_phi): New.
 477         (detect_commutative_reduction): New.
 478         (translate_scalar_reduction_to_array_for_stmt): New.
 479         (insert_copyout): New.
 480         (insert_copyin): New.
 481         (translate_scalar_reduction_to_array): New.
 482         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 483         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 484         (rewrite_commutative_reductions_out_of_ssa): New.
 485         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 486         * sese.h (split_region_for_bb): New.
 487
 488         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 489         * gcc.dg/graphite/interchange-1.c: Fix format.
 490         * gcc.dg/graphite/interchange-10.c: New.
 491
 492 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 495         buggy assert.
 496
 497 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 498
 499         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 500         (rewrite_cross_bb_scalar_dependence): New.
 501         (rewrite_cross_bb_scalar_deps): New.
 502         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 503         Call rewrite_cross_bb_scalar_deps.
 504
 505 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 508         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 509         gsi_for_stmt.
 510
 511 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 514         * graphite-interchange.c (pbb_do_interchange): Same.
 515         * graphite-poly.c (print_scattering_function): Same.
 516         (debug_pdrs): Same.
 517         * graphite-poly.h (pbb_loop): New.
 518         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 519
 520 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 521
 522         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 523
 524 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 525
 526         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 527         so don't pass a pointer to it.
 528         (build_alias_set_for_drs): Same.
 529         (build_base_obj_set_for_drs): Same.
 530         (build_scop_drs): Same.
 531
 532 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 533
 534         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 535         the alias graph of data references.
 536
 537 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 538
 539         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 540         (build_scop_drs): When debugging, write the alias graph to file,
 541         otherwise, should be disabled.
 542
 543 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 544
 545         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 546         (is_simple_operand): Remove call to stmt_simple_memref_p.
 547         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 548
 549 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 550
 551         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 552         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 553         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 554         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 555         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 556
 557 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 558
 559         PR middle-end/41118
 560         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 561         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 562         (graphite_carried_dependence_level_k): Ditto.
 563         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 564         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 565         (new_poly_dr): Adjust declaration.
 566         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 567         (free_gimple_bb): Added free_data_refs_aux.
 568         (build_poly_dr): Add dr_base_object_set.
 569         (partition_drs_to_sets): New.
 570         (dr_same_base_object_p): New.
 571         (build_alias_set_for_drs): New.
 572         (build_base_object_set_for_drs): New.
 573         (build_scop_drs): Add build_base_obj_set_for_drs.
 574         * graphite-sese-to-poly.h: Added #define for alias set number index and
 575         base object set index.
 576         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 577         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 578
 579 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 580
 581         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 582         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 583
 584 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * graphite-sese-to-poly.c (struct irp_data): Removed.
 587         (idx_record_params): Removed.
 588         (find_params_in_bb): Scan for parameters the access functions; don't
 589         parse the tree representation.
 590
 591 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 594         passes at -O1 and below.
 595
 596 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 599         tree-scalar-evolution.h, and then tree-data-ref.h.
 600         * graphite-clast-to-gimple.c: Same.
 601         * graphite-dependences.c: Same.
 602         * graphite-interchange.c: Same.
 603         * graphite-poly.c: Same.
 604         * graphite-scop-detection.c: Same.
 605         * graphite-sese-to-poly.c: Same.
 606         * graphite.c: Same.
 607         * lambda-code.c: Same.
 608         * matrix-reorg.c: Same.
 609         * tree-data-ref.c: Same.
 610         * tree-if-conv.c: Same.
 611         * tree-loop-distribu: Same.: Same.
 612         * tree-loop-linear.c: Same.
 613         * tree-parloops.c: Same.
 614         * tree-predcom.c: Same.
 615         * tree-vect-patterns.c: Same.
 616
 617 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         Partially revert the previous patch, except the following.
 620         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 621         as parameters the operands of the not expression.
 622
 623 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 626         Do not call analyze_scalar_evolution on assignments.
 627         (instantiate_scev_phi): Call analyze_scalar_evolution.
 628         (instantiate_scev_name): Call instantiate_scev_assign and
 629         instantiate_scev_phi.
 630         (instantiate_scev_not): Adapted to pass as parameters the operands
 631         of the not expression.
 632
 633 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 636         to pass as parameters the operands of the binary expression.
 637
 638 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 641         instantiate_scev_not.  Handle NEGATE_EXPR.
 642         (instantiate_scev_r): Handle NEGATE_EXPR.
 643
 644 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 647         instantiate_scev_r.
 648         (instantiate_scev_r): Move code in instantiate_scev_2
 649         and instantiate_scev_1.
 650
 651 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * tree-scalar-evolution.c (instantiate_scev_3): New.
 654         (instantiate_scev_1): Move code in instantiate_scev_3.
 655
 656 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 657
 658         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 659         (instantiate_scev_1): Move code in instantiate_scev_poly.
 660
 661 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 664         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 665
 666 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 669         (instantiate_scev_1): Move code in instantiate_scev_convert.
 670
 671 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 674         (instantiate_scev_1): Move code in instantiate_scev_binary.
 675
 676 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * tree-scalar-evolution.c (instantiate_scev_name): New.
 679         (instantiate_scev_1): Move code in instantiate_scev_name.
 680
 681 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         * Merge from mainline (150992:151171).
 684
 685 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 686
 687         * graphite-dependences.c (graphite_legal_transform_bb): Call
 688         pbb_remove_duplicate_pdrs.
 689         * graphite-poly.c (can_collapse_pdr): Removed.
 690         (pdr_find_duplicate): Removed.
 691         (can_collapse_pdrs): New.
 692         (pbb_remove_duplicate_pdrs): New.
 693         (new_poly_dr): Do not look for duplicates.
 694         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 695         (PBB_PDR_DUPLICATES_REMOVED): New.
 696         (pbb_remove_duplicate_pdrs): Declared.
 697
 698 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 699
 700         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 701         the strides by multiplying by PDR_NB_REFS.
 702         * graphite-poly.c (can_collapse_pdr): New.
 703         (pdr_find_duplicate): New.
 704         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 705         Initialize PDR_NB_REFS.
 706         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 707         (PDR_NB_REFS): New.
 708         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 709
 710 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         Revert one of the previous commits:
 713         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 714         the computation of symmetric data dependence relations.
 715         (dependency_between_pbbs_p): Same.
 716
 717 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 718
 719         PR middle-end/40965
 720         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 721         any transform.
 722
 723 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * graphite-dependences.c (pddr_original_scattering): Return NULL
 726         for read-read dependence relations.
 727         * graphite-poly.h (enum poly_dr_type): Fix comment.
 728         (pdr_read_p): New.
 729         (pdr_write_p): New.
 730         (pdr_may_write_p): New.
 731
 732 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 733
 734         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 735         (struct poly_dr): Same.
 736         (new_poly_dr): Same.
 737         * graphite-poly.c (new_poly_dr): Same.
 738
 739 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 740             Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 743         pbb_strip_mine_time_depth.  Changed the implementation so that
 744         transformation is expressed as a transformation on
 745         time (scatttering) dimensions.  Also, ensures that the 2d+1
 746         scheduling format is preserved.
 747         (pbb_strip_mine_profitable_p): Profitability is based on the
 748         iteration number of a given time (scattering) dimension,
 749         and not on a original loop depth dimension.
 750         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 751         (pbb_do_strip_mine): Call psct_dynamic_dim.
 752         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 753         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 754         (pbb_nb_dynamic_scattering_transform): New.
 755         (psct_dynamic_dim): New.
 756
 757 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 758
 759         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 760         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 761         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 762         * graphite-interchange.c (build_linearized_memory_access): Same.
 763         (memory_stride_in_loop): Same.
 764
 765 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 766
 767         * graphite-dependences.c (pddr_original_scattering): New.
 768         (graphite_legal_transform_dr): Call pddr_original_scattering.
 769         (dot_deps_1): New.
 770         (dot_deps): New.
 771         * graphite-dependences.h (dot_deps): Declared.
 772         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 773         (print_pdr): Print PDR_ID.
 774         * graphite-poly.h (struct poly_dr): Add field id.
 775         (PDR_ID): New.
 776         (pbb_index): New.
 777         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 778
 779 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 782         not delete the original dependence relation.
 783
 784 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 785
 786         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 787         the computation of symmetric data dependence relations.
 788         (dependency_between_pbbs_p): Same.
 789
 790 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 791
 792         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 793         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 794         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 795         (free_poly_ddr): New.
 796         (pddr_is_empty): New.
 797         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 798         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 799         Remove fprintfs.
 800         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 801         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 802         * graphite-dependences.h (enum poly_dependence_kind): New.
 803         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 804         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 805         (PDRP_SINK): Renamed PDDR_SINK.
 806         (PDRP_DDP): Renamed PDDR_DDP.
 807         (PDDR_KIND): New.
 808         (free_poly_ddr): Declared.
 809         * graphite-poly.c (new_scop): Use the new hash function names.
 810         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 811         into original_pddrs.
 812         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 813
 814 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 815
 816         * Merge from mainline (150764:150992).
 817
 818 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 819
 820         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 821         bounds with LT_EXPR to make niter analysis more precise on code
 822         generated by Graphite.
 823
 824 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 825
 826         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 827         (graphite_legal_transform_bb): Same.
 828         (poly_drs_may_alias_p): Same.
 829
 830 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         PR middle-end/40981
 833         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 834         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 835
 836 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 837
 838         * graphite-poly.c (print_pbb): Print PBB index.
 839
 840 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * Merge from mainline (r150672:150764).
 843
 844 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * graphite-interchange.c (ppl_max_for_le): Moved...
 847         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 848         * graphite-ppl.c (ppl_max_for_le): ... here.
 849         * graphite-ppl.h (ppl_max_for_le): Declared.
 850
 851 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 852
 853         * Merge from mainline (r150372:150672).
 854
 855 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         PR middle-end/40980
 858         * sese.c (convert_for_phi_arg): New.
 859         (add_guard_exit_phis): Use convert_for_phi_arg.
 860
 861         * testsuite/gfortran.dg/graphite/id-17.f: New.
 862
 863 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 864
 865         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 866         unknown subscript upper bounds.
 867
 868         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 869
 870 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 871             Pranav Garg  <pranav.garg2107@gmail.com>
 872
 873         * graphite-interchange.c (gather_access_strides): Removed.
 874         (ppl_max_for_le): New.
 875         (build_linearized_memory_access): New.
 876         (memory_stride_in_loop): New.
 877         (pbb_interchange_profitable_p): Reimplemented.
 878         * graphite-ppl.h (ppl_new_id_map): New.
 879         (ppl_interchange): New.
 880
 881         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 882
 883 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * graphite-interchange.c (compute_subscript): Removed.
 886         (compute_array_size_cstr): Removed.
 887         (compute_array_size_poly): Removed.
 888         (compute_array_size): Removed.
 889         (gather_access_strides_poly): Removed.
 890         (gather_access_strides): Empty.
 891
 892 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-dependences.c (dependence_polyhedron_1): Replace
 895         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 896         (graphite_legal_transform_dr): Same.
 897         (graphite_carried_dependence_level_k): Same.
 898         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 899         Initialize PDR_NB_SUBSCRIPTS.
 900         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 901         PDR_NB_SUBSCRIPTS.
 902         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 903         (PDR_NB_SUBSCRIPTS): New.
 904         (pdr_nb_subscripts): Removed.
 905         (pdr_dim): Simplified.
 906         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 907         with PDR_NB_SUBSCRIPTS.
 908
 909 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * graphite-interchange.c (compute_array_size): Remove use of
 912         PDR_DATA_CONTAINER.
 913         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 914         Do not initialize PDR_DATA_CONTAINER.
 915         (print_pdr): Do not print PDR_DATA_CONTAINER.
 916         * graphite-poly.h (struct poly_dr): Remove data_container field.
 917         (PDR_DATA_CONTAINER): Removed.
 918         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 919         PDR_DATA_CONTAINER.
 920         (build_poly_dr): Same.
 921
 922 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 925
 926 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 927             Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 930         copy of the dependence polyhedron.  Free the temporary objects.
 931         (graphite_carried_dependence_level_k): Free unused objects before
 932         returning.
 933
 934         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 935         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 936         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 937         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 938         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 939
 940 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 941
 942         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 943         Early return without analyzing the data dependences if no
 944         transform has been done.  Call restore_scattering if the transform
 945         is not legal.
 946         (graphite-interchange.c): Same.
 947         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 948         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 949         (apply_poly_transforms): Do not gcc_assert that
 950         the transform is legal.
 951         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 952         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 953         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 954         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 955         * graphite-poly.h (struct poly_scattering): New.
 956         (struct poly_bb): Add original, transformed, and saved fields.
 957         Remove transformed_scattering, original_scattering, nb_local_variables,
 958         and nb_scattering_transform fields.
 959         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 960         (poly_scattering_new): New.
 961         (poly_scattering_free): New.
 962         (poly_scattering_copy): New.
 963         (store_scattering_pbb): New.
 964         (store_scattering): New.
 965         (restore_scattering_pbb): New.
 966         (restore_scattering): New.
 967         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 968         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 969
 970 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 973         (print_scop): Same.
 974
 975 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         * Makefile.in (graphite.o): Depends on PREDICT_H.
 978         * graphite.c: Include predict.h.
 979         (graphite_finalize): Call tree_estimate_probability.
 980         * predict.c (predict_loops): Do not call scev_initialize and
 981         scev_finalize.
 982         (tree_estimate_probability_bb): New.
 983         (tree_estimate_probability): Do not initialize loops: move that
 984         code to the driver.  Call tree_estimate_probability_bb.
 985         (tree_estimate_probability_driver): New.
 986         (pass_profile): Use tree_estimate_probability_driver.
 987         * predict.h (tree_estimate_probability): Declared.
 988
 989 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 992         * graphite-dependences.c (graphite_legal_transform): Add time to
 993         TV_GRAPHITE_DATA_DEPS.
 994         (dependency_between_pbbs_p): Same.
 995         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 996
 997 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 998
 999         * Merge from mainline (r149952:150372).
1000
1001 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1004         * graphite-blocking.c: Same.
1005         * graphite-clast-to-gimple.c: Same.
1006         * graphite-dependences.c: Same.
1007         * graphite-poly.c: Same.
1008         * graphite-poly.h: Same.
1009         * graphite-ppl.c: Same.
1010         * graphite-scop-detection.c: Same.
1011         * graphite-sese-to-poly.c: Same.
1012         * graphite.c: Same.
1013
1014 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1017         (remove_simple_copy_phi): New.
1018         (remove_invariant_phi): New.
1019         (simple_copy_phi_p): New.
1020         (reduction_phi_p): New.
1021         (gsi_for_ssa_name_def): New.
1022         (insert_out_of_ssa_copy): New.
1023         (insert_out_of_ssa_copy_on_edge): New.
1024         (create_zero_dim_array): New.
1025         (scalar_close_phi_node_p): New.
1026         (rewrite_close_phi_out_of_ssa): New.
1027         (rewrite_phi_out_of_ssa): New.
1028         (rewrite_reductions_out_of_ssa): New.
1029         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1030
1031         * testsuite/gcc.dg/graphite/id-11.c: New.
1032         * testsuite/gcc.dg/graphite/id-15.c: New.
1033         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1034         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1035         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1036         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1037         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1038         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1039         * testsuite/gfortran.dg/graphite/id-13.f: New.
1040         * testsuite/gfortran.dg/graphite/id-5.f: New.
1041
1042 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1045         check that nb_reductions_in_loop is zero.
1046         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1047         reduction phi nodes.
1048         (nb_reductions_in_loop): Removed.
1049         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1050         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1051         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1052         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1053         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1054
1055 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1056
1057         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1058         statements that have an empty iteration domain.
1059         * testsuite/gfortran.dg/graphite/id-16.f: New.
1060
1061 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1062
1063         * tree-scalar-evolution.c (instantiate_scev_1): Return
1064         chrec_dont_know when the result is not above instantiate_below.
1065         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1066         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1067         the tree has a known scalar evolution.
1068         * testsuite/gfortran.dg/graphite/id-14.f: New.
1069         * testsuite/gfortran.dg/graphite/id-15.f: New.
1070
1071 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1074         insert_gsi.
1075         (rename_variables): Keep inserting renames after the ones already
1076         inserted.
1077
1078 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-sese-to-poly.c (compare_bb_depths): New.
1081         (graphite_sort_dominated_info): New.
1082         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1083         (build_scop_scattering): Fix comment.
1084
1085 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1086
1087         * graphite.c (graphite_finalize): Call print_loops instead of
1088         dump_function_to_file.
1089         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1090         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1091         loops generated in the graphite output file.
1092         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1093         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1094         * testsuite/gfortran.dg/graphite/id-12.f: New.
1095
1096 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1097
1098         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1099         Remove 2 XFAIL.
1100
1101 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1102             Tobias Grosser  <grosser@fim.uni-passau.de>
1103
1104         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1105         alias set number build alias in ACCESSES polyhedron.
1106         (build_alias_set_for_drs): New.
1107         (build_pbb_drs): Added build_alias_set_for_drs.
1108         * graphite-dependences.c (poly_drs_may_alias_p): New.
1109         (graphite_carried_dependence_level_k): Check alias information
1110         before building polyhedron.
1111
1112 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1113
1114         * Makefile.in (lambda-code.o): Fix formatting.
1115
1116 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1117
1118         * Merge from mainline (r149350-149952)
1119
1120 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1121
1122         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1123         before interchange to prepare for loop blocking.
1124
1125 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1126
1127         * graphite-poly.c (apply_poly_transforms): Add checks after every
1128         transformation.
1129         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1130         done in apply_poly_transforms.
1131
1132 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1133
1134         * graphite-dependences.c (build_lexicographically_gt_constraint):
1135         Replace RES parameter with *RES.
1136         (dependence_polyhedron_1): Pass an address of the parameter RES
1137         instead of value of RES.
1138
1139 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * graphite.c (graphite_finalize): Fix comment.
1142         (graphite_transform_loops): Reset scev info after code generation
1143         of each scop.
1144
1145 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * graphite.c (graphite_finalize): Call scev_reset.
1148
1149 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1152         GBB_CLOOG_IV_TYPES hash table twice.
1153         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1154         (add_condition_to_domain): Clear GMP values.
1155
1156 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-dependences.c: Fix formatting.
1159         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1160         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1161         * graphite-sese-to-poly.c: Fix formatting.
1162         * graphite.c (graphite_transform_loops): Create the hash table
1163         after the early return.
1164
1165 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * testsuite/gcc.dg/graphite/id-14.c: New.
1168         * testsuite/gcc.dg/graphite/pr40157.c: New.
1169         * testsuite/gfortran.dg/graphite/id-11.f: New.
1170
1171 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1174         (build_poly_scop): Return false when there are no pbbs within
1175         loops to avoid to pass to cloog scops with no loops.
1176
1177 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1180         useless test "i % 2".
1181         (build_pbb_scattering_polyhedrons): Fix formatting.
1182         (build_poly_dr): Same.
1183         * graphite.c (graphite_transform_loops): Restructure.
1184
1185 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1186
1187         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1188         reduction_list parameter.
1189         (rewrite_all_phi_nodes_with_iv): Same.
1190         (canonicalize_loop_ivs): Same.
1191         * tree-parloops.c (struct brli): Removed.
1192         (build_reduction_list_info): Removed.
1193         (build_new_reduction): New.
1194         (analyze_reduction_list): Removed.
1195         (gather_scalar_reductions): Find reductions instead of phi
1196         nodes that can't be canonicalized.
1197         (try_create_reduction_list): Remove reduction_list parameter.
1198         (gen_parallel_loop): Same.
1199         (parallelize_loops): Remove analyze_reductions variable,
1200         initialization and free.
1201         Change reduction_list htab initialization to reduction_info
1202         elements instead of ssa names.
1203         Call try_create_reduction_list and gen_parallel_loop without
1204         analyzed_reduction argument.
1205         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1206         canonicalize_loop_ivs with one less argument.
1207         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1208
1209 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1210
1211         * graphite-dependences.c (new_poly_dr_pair): New.
1212         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1213         (new_poly_dr_pair): New.
1214         (eq_poly_dr_pair_p): New.
1215         (hash_poly_dr_pair_p): New.
1216         * graphite-dependences.h (struct poly_dr_pair): New.
1217         (eq_poly_dr_pair_p): Declared.
1218         (hash_poly_dr_pair_p): Declared.
1219         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1220         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1221         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1222         * Makefile.in (graphite-poly.o): Add dependence on
1223         graphite-dependences.h.
1224
1225 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1228         polynomials of degree > 1 pass to Graphite.
1229         * tree-chrec.c (scev_is_linear_expression): Call
1230         evolution_function_is_affine_multivariate_p.
1231         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1232
1233 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1236         Instantiate scevs varying in outer loops.
1237         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1238
1239 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1242         redundant constraint.
1243
1244 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1245
1246         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1247         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1248         based on the file names as in the C testsuite.
1249         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1250         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1251         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1252         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1253         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1254         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1255         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1256         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1257         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1258         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1259         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1260         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1261         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1262
1263 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * sese.c (expand_scalar_variables_call): New.
1266         (expand_scalar_variables_ssa_name): Handle calls in expander.
1267
1268 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1271         Expect to see the pattern twice.
1272         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1273         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1274         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1275
1276 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1277
1278         * testsuite/gcc.dg/graphite/id-10.c: New.
1279         * testsuite/gcc.dg/graphite/id-12.c: New.
1280         * testsuite/gfortran.dg/graphite/id-7.f: New.
1281         * testsuite/gfortran.dg/graphite/id-8.f: New.
1282
1283 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1286         zero.
1287
1288 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1291
1292 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1293
1294         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1295
1296 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1299         building PDR subscripts.
1300
1301 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1302
1303         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1304         computation of array sizes.
1305
1306 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1307
1308         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1309
1310 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1311
1312         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1313         build_pairwise_constraint, dr_equality_constraints,
1314         build_pairwise_scheduling_equality,
1315         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1316         build_lexicographically_gt_constraint, dependence_polyhedron,
1317         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1318         Move from NNC_Polyhedron to C_Polyhedron.
1319         * graphite-interchange.c (compute_array_size_poly,
1320         gather_access_strides): Dito.
1321         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1322         free_scop, pbb_number_of_iterations): Dito.
1323         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1324         pbb_dim_iter_domain, struct scop): Dito.
1325         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1326         new_Cloog_Domain_from_ppl_Polyhedron,
1327         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1328         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1329         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1330         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1331         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1332         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1333         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1334         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1335         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1336         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1337         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1338         build_scop_iteration_domain, build_poly_dr): Dito
1339
1340 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1343         run-id-*.c files.
1344         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1345
1346 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1347
1348         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1349         positivity constraint on the symbolic number of iterations.
1350
1351 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1352
1353         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1354
1355 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1356             Tobias Grosser  <grosser@fim.uni-passau.de>
1357
1358         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1359         (build_cloog_prog): Directly use SCOP_CONTEXT.
1360         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1361         (free_scop): Free SCOP_CONTEXT.
1362         (print_scop_context): New.
1363         (print_scop): Call print_scop_context.
1364         (debug_scop_context): New.
1365         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1366         (struct scop): Added field context.
1367         (SCOP_CONTEXT): New.
1368         * graphite-sese-to-poly.c (add_param_constraints): New.
1369         (build_scop_context): New.
1370         (build_poly_scop): Call build_scop_context.
1371
1372 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1375         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1376         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1377         * graphite-ppl.h: Include double-int.h and tree.h.
1378         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1379         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1380         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1381         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1382
1383 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1386         POINTER_PLUS_EXPR for pointer types.
1387         (clast_to_gcc_expression): Same.
1388
1389 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         * graphite-poly.c (print_scattering_function): Early return when
1392         PBB_TRANSFORMED_SCATTERING is not initialized.
1393         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1394
1395 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1398         to fix bootstrap.
1399
1400 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1401
1402         * tree-parloops.c (analyze_reduction_list): Change return
1403         value to void.
1404         (try_create_reduction_list): Move the call to
1405         analyze_reduction_list to the beginining.
1406         Call reduction_phi with analyzed_reductions as argument
1407         instead of reduction_list.
1408
1409 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1410
1411         *  Merge from mainline (r148296:149346)
1412
1413 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * graphite-scop-detection.c (graphite_can_represent_init): New.
1416         (graphite_can_represent_scev): Call graphite_can_represent_init:
1417         check that the initial value does not contain multiplications of
1418         parameters.
1419         (stmt_has_simple_data_refs_p): New.
1420         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1421         (is_simple_operand): Fix formatting.
1422         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1423
1424 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         * testsuite/gcc.dg/graphite/id-13.c: New.
1427         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1428         analyze_scalar_evolution, use scalar_evolution_in_region.
1429         (scan_tree_for_params_right_scev): Add extra assert.
1430         (parameter_index_in_region_1): Split from parameter_index_in_region.
1431         (idx_record_params): Use scalar_evolution_in_region.
1432         (find_params_in_bb): Same.
1433         (find_scop_parameters): Same.
1434         (build_loop_iteration_domains): Same.
1435         (create_linear_expr_from_tree): Same.
1436         * sese.c (scalar_evolution_in_region): New.
1437         * sese.h (scalar_evolution_in_region): Declared.
1438         (defined_in_sese_p): New.
1439         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1440         static anymore.
1441         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1442         Declared.
1443
1444 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1447         TREE_DATA_REF_H also implies SCEV_H.
1448
1449 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-poly.c (print_scop_params): New.
1452         (print_scop): Call print_scop_params.
1453         (debug_scop_params): New.
1454         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1455
1456 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1457
1458         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1459         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1460         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1461         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1462         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1463         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1464
1465 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1466
1467         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1468         for dependency checking part.
1469         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1470         tests for dependency checking.
1471         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1472         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1473         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1474         flag -fdump-tree-graphite-all for autopar testsuites.
1475
1476 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1479         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1480         canonicalize_loop_ivs): Moved...
1481         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1482
1483 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1484
1485         * tree-parloops.c (try_create_reduction_list): Pass an extra
1486         argument analyzed_reductions.  Call analyze_reduction_list.
1487         (gen_parallel_loop): Do not call analyze_reduction_list.
1488         (parallelize_loops): Init and finalize analyzed_reductions.
1489
1490 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1491
1492         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1493         Added flag -fno-loop-strip-mine for autopar testcase.
1494
1495 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1496
1497         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1498         transformed scattering dimension instead of unmatch orignal when
1499         calling dependence_polyhedron.
1500
1501 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1504
1505 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1508         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1509
1510 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1511
1512         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1513         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1514         * graphite-poly.c (pbb_number_of_iterations): New.
1515         * graphite-poly.h (pbb_number_of_iterations): Declared.
1516         (pbb_iterator_dim, pbb_parameter_dim): New.
1517
1518 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1521         last commit on type of lower and upper bound of loops.
1522
1523 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1524
1525         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1526         graphite-dependences.h.
1527         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1528         (mark_bb_with_pbb): New.
1529         (get_stmtfor_depth): New.
1530         (find_pbb_via_hash): New.
1531         (dependency_in_loop_p): New.
1532         (mark_loops_parallel): New.
1533         (free_aux_in_new_loops): New.
1534         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1535         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1536         innermost loop parallel without checking.
1537         (gloog): Add parameter BB_PBB_MAPPING.
1538         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1539         (gloog): Change declaration.
1540         (mark_loop_parallel): Make extern.
1541         (free_aux_in_new_loops): Declare.
1542         (bb_pbb_map_hash): New.
1543         (eq_bb_pbb_map): New.
1544         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1545         auto parallelization when flag_graphite_force_parallel is set.
1546         (graphite_finalize): Added free_aux_in_new_loops.
1547         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1548         the innermost loop that marked parallel.  Use
1549         flag_graphite_force_parallel instead of loop->can_be_parallel.
1550         (loop_parallel_p): Move inner most checking out of function.
1551
1552 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1553
1554         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1555         type of lower and upper bound of loops signed long int.
1556
1557 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1560         expression outside the loop.
1561
1562 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * gcc.dg/graphite/interchange-8.c: New.
1565
1566 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1567
1568         * gcc.dg/graphite/interchange-0.c: XFailed.
1569         * gcc.dg/graphite/interchange-5.c: XFailed.
1570         * gcc.dg/graphite/interchange-6.c: XFailed.
1571
1572 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         * graphite-interchange.c (compute_array_size_poly): The end of the
1575         recursion should return 1.
1576
1577 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-interchange.c (compute_array_size_cstr): Allow the
1580         subscript multiplier to be -1.
1581         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1582         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1583         data_container.  Initializes PDR_DATA_CONTAINER.
1584         (print_pdr_access_layout): New.
1585         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1586         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1587         data_container.
1588         (PDR_DATA_CONTAINER): New.
1589         (new_poly_dr): Update declaration.
1590         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1591         (build_poly_dr): Call pdr_add_data_dimensions.
1592
1593 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1594
1595         * graphite-poly.h (struct poly_dr): Fix comment.
1596         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1597         (pdr_add_memory_accesses): New.
1598         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1599
1600 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1603         (print_pbb): Add call to print_pdrs.
1604         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1605
1606 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1607             Li Feng <nemokingdom@gmail.com>
1608
1609         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1610         (dependency_between_pbbs_p): New.
1611         (lexicographically_gt_p): Assure !empty_p before polyhedron
1612         intersection assign.
1613         (build_lexicographically_gt_constraint): Correct lexicographically
1614         judging.
1615         * graphite-dependences.h: New.
1616         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1617
1618 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1621         (gloog): Print to dump_file the generated clast.
1622         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1623         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1624
1625 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * graphite-poly.c (extend_scattering): Increment
1628         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1629
1630 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         * graphite-interchange.c (compute_array_size_poly): Added exit of
1633         recursion condition.  Continue iterating even after the first equality.
1634         (compute_array_size): Same.
1635
1636 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1637
1638         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1639         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1640         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1641         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1642         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1643
1644 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1647         only when the use verifies is_gimple_reg.
1648
1649 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1652         Allocate scaldims after call to unify_scattering_dimensions.
1653
1654 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1657
1658 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1659             Albert Cohen  <albert.cohen@inria.fr>
1660
1661         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1662         variables for the strip mining.
1663
1664 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1665             Pranav Garg  <pranav.garg2107@gmail.com>
1666
1667         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1668         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1669         (graphite-blocking.o): New rule.
1670         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1671         * graphite-blocking.c: New.
1672         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1673         flag_loop_strip_mine.
1674         (psct_scattering_dim_for_loop_depth): New.
1675         * graphite-poly.h (scop_do_strip_mine): Declared.
1676         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1677         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1678         flag_loop_strip_mine.
1679
1680 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1683         a GMP value and a PPL coefficient at each iteration of a loop.
1684
1685 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * graphite-dependences.c (dependence_polyhedron): Do not use
1688         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1689         pbb_nb_scattering_transform.
1690         (graphite_legal_transform_dr): Same.
1691         * graphite-poly.c (extend_scattering): Same.
1692         (unify_scattering_dimensions): Same.
1693         (print_scattering_function): Same.
1694         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1695         PBB_NB_LOCAL_VARIABLES.
1696         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1697         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1698         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1699         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1700         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1701         (pbb_nb_scattering_transform): New.
1702         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1703         (psco_scattering_dim): Add assert on parameters.
1704         (psct_scattering_dim): Same.
1705         (psct_scattering_dim_for_loop_depth): Declared.
1706         (psct_local_var_dim): New.
1707         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1708         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1709         correct layout, call pbb_nb_local_vars.
1710         (psct_add_local_variable, psct_add_scattering_dimension): New.
1711         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1712         Initialize PBB_NB_SCATTERING_TRANSFORM.
1713
1714 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1715
1716         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1717         (set_coef): Renamed ppl_set_coef.
1718         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1719
1720 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1723         test a boolean against 1.
1724         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1725         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1726         (pbb_do_interchange): Returns true when a transform has been performed.
1727         (scop_do_interchange): Same.
1728         * graphite-poly.c (apply_poly_transforms): Use the return value of
1729         scop_do_interchange.
1730         * graphite-poly.h (scop_do_interchange): Update declaration.
1731
1732 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1733
1734         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1735         after last use.
1736         * sese.c (sese_reset_aux_in_loops): New.
1737         * sese.h (sese_reset_aux_in_loops): New.
1738
1739 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1740
1741         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1742         multiplier and multiply the constant by the multiplier.
1743         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1744         (build_poly_dr): Do not use the multiplier to define the subscript.
1745
1746 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1749         compiler's data reference.  Initialize PDR_CDR.
1750         (print_pdr): Call dump_data_reference.
1751         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1752         Add compiler_dr field.
1753         (PDR_BB): Renamed PDR_PBB.
1754         (PDR_CDR): New.
1755         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1756         GCC's data reference representation.
1757         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1758         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1759
1760 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-poly.c (print_scattering_function): Also print the layout.
1763         * graphite-poly.h (pbb_nb_local_vars): New.
1764
1765 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1768
1769 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1770
1771         * graphite-poly.c (print_pdr, debug_pdr): New.
1772         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1773         (PDR_BASE): Removed.
1774
1775 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1776
1777         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1778         ltrans-{1..6,8}.c.
1779
1780 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1783         subscript identification column.
1784         (pbb_do_interchange): Print to dump_file that some loops "will be
1785         interchanged".  Rely on that chain of characters in the testcases.
1786         * gcc.dg/graphite/interchange-0.c: New.
1787         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1788         interchange-*.c files and compile them with -floop-interchange.
1789
1790 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1791
1792         * graphite-interchange.c (interchange_profitable_p): Renamed
1793         pbb_interchange_profitable_p.
1794
1795 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1796             Harsha Jagasia  <harsha.jagasia@amd.com>
1797             Pranav Garg  <pranav.garg2107@gmail.com>
1798
1799         * graphite-interchange.c (interchange_profitable_p): Make static.
1800         (pbb_interchange_loop_depths, pbb_do_interchange,
1801         scop_do_interchange): New.
1802         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1803         for flag_loop_interchange.
1804         * graphite-poly.h (scop_do_interchange): Declared.
1805         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1806         flag_loop_interchange is used.
1807
1808 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * graphite-dependences.c (dependence_polyhedron): Update use of
1811         pbb_nb_scattering_dims.
1812         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1813         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1814         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1815         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1816
1817 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite.c: Cleanup foo.
1820
1821 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         * Merge from mainline (r143684:148293).
1824         * Disabled libpcp until it gets fixed.
1825
1826 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1827             Harsha Jagasia  <harsha.jagasia@amd.com>
1828
1829         * graphite-interchange.c: New.
1830         * Makefile.in (graphite-interchange.o): New.
1831         * graphite-poly.h (interchange_profitable_p): Declared.
1832         * graphite-ppl.h (value_max): New.
1833
1834 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1835
1836         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1837         * graphite-poly.h: Fix some comments.
1838         (pdr_dim): New.
1839         (pdr_scop): New.
1840
1841 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         * graphite-poly.h
1844         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1845         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1846         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1847         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1848         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1849         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1850         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1851         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1852         * graphite-clast-to-gimple.c: Same.
1853         * graphite-dependences.c: Same.
1854         * graphite-poly.c: Same.
1855         * graphite-sese-to-poly.c: Same.
1856
1857 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1860         expressions for an IV rename, as returned by clast_to_gcc_expression.
1861         (copy_renames): Rename new_name to expr.
1862         * sese.c (debug_rename_elt): Same.
1863         (get_rename): Same.
1864         (set_rename): Same.
1865         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1866         the information from the rename map.
1867         (rename_variables_in_stmt): Same.
1868         (add_loop_exit_phis): Rename new_name to expr.
1869         (insert_loop_close_phis): Same.
1870         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1871         * sese.h (struct rename_map_elt): Rename new_name to expr.
1872         (new_rename_map_elt): Same.
1873
1874 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1875
1876         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1877         * sese.c (set_rename): Make it extern.
1878         * sese.h (set_rename): Declared.
1879
1880 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * graphite-poly.c (extend_scattering): Free values.
1883         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1884         Free iterators.
1885         (ppl_print_powerset_matrix): Same.
1886         * graphite-scop-detection.c (free_scops_1): New.
1887         (limit_scops): Call free_scops_1.
1888         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1889         (build_poly_dr): Free PPL coefficients.
1890         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1891
1892 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         * graphite-dependences.c: New.
1895         * graphite-data-ref.c: Removed.
1896         * graphite-data-ref.h: Removed.
1897         * Makefile.in (graphite-data-ref.o): Removed.
1898         (graphite-dependences.o): Added.
1899         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1900         * graphite-poly.c: Same.
1901         Move the data dependence testing to graphite-dependences.c.
1902
1903 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1904
1905         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1906         from graphite_cannot_represent_loop. Code refactored.
1907         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1908
1909 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1910
1911         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1912         Cover all the testcases (not only the filtered ones).
1913
1914 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1915
1916         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1917         unnecessary check. Update comments. Move check for REAL_TYPE here.
1918         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1919         done in (stmt_simple_for_scop_p).
1920
1921 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1922
1923         * graphite.c (print_global_statistics): New.
1924         (print_graphite_scop_statistic): New.
1925         (print_graphite_statistics): New.
1926         (graphite_initialize, graphite_transform_loops): Print statistics.
1927         * graphite-scop-detection (build_scops): Print statistics.
1928         (print_graphite_scop_statistics): New.
1929         (print_graphite_statistics): New.
1930
1931 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1934         (debug_clast_name_index): Removed.
1935         (debug_clast_name_indexes_1): Removed.
1936         (debug_clast_name_indexes): Removed.
1937         (clast_name_index_elt_info): Removed.
1938         (eq_clast_name_indexes): Removed.
1939         (clast_name_to_index): Removed.
1940         (new_clast_name_index): Removed.
1941         (save_clast_name_index): Removed.
1942         (save_var_name): Moved...
1943         (init_sese_params_index): Removed.
1944         (clast_name_to_gcc): Remove use of name_tree.
1945         (initialize_cloog_names): Same.
1946         (gloog): Do not call init_sese_params_index.
1947         * graphite-sese-to-poly.c (save_var_name): ...here.
1948         (parameter_index_in_region): New.
1949         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1950         (parameter_index_in_region): Removed.
1951         (is_parameter): Remove use of name_tree.
1952         * sese.h (struct name_tree): Removed.
1953         (struct sese): Remove use of name_tree.  New field params_names.
1954         (SESE_PARAMS_NAMES): New.
1955         (SESE_PARAMS): Remove duplicate.
1956         (parameter_index_in_region): Removed.
1957         (sese_nb_params): Remove use of name_tree.
1958         (struct clast_name_index): New.
1959         (new_clast_name_index): New.
1960         (clast_name_to_index): New.
1961         (save_clast_name_index): New.
1962         (debug_clast_name_index): New.
1963         (debug_clast_name_indexes_1): New.
1964         (debug_clast_name_indexes): New.
1965         (clast_name_index_elt_info): New.
1966         (eq_clast_name_indexes): New.
1967
1968 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1969
1970         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1971         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1972         (graphite_loop_normal_form): Do not pass region.  Do not
1973         initialize SESE_OLDIVS.
1974         (build_graphite_loop_normal_form): Update call to
1975         graphite_loop_normal_form.
1976         * sese.c (debug_oldivs): Removed.
1977         (new_sese): Do not initialize SESE_OLDIVS.
1978         (free_sese): Do not free SESE_OLDIVS.
1979         (oldiv_for_loop): Removed.
1980         * sese.h (struct sese): Remove old_ivs.
1981         (SESE_OLDIVS): Removed.
1982         (oldiv_for_loop): Removed.
1983
1984 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1987         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1988         replaced by a call to newivs_to_depth_to_newiv.
1989         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1990         (clast_to_gcc_expression_red): Same.
1991         (gcc_type_for_clast_expr): Same.
1992         (gcc_type_for_clast_eq): Same.
1993         (graphite_translate_clast_equation): Same.
1994         (graphite_create_guard_cond_expr): Same.
1995         (graphite_create_new_guard): Same.
1996         (graphite_create_new_loop): Same.
1997         (build_iv_mapping): Same.
1998         (translate_clast): Same.
1999         (gloog): Same.
2000         (loop_iv_stack_patch_for_consts): Removed.  *
2001         sese.c (iv_stack_entry_is_constant): Removed.
2002         (iv_stack_entry_is_iv): Removed.
2003         (loop_iv_stack_push_iv): Removed.
2004         (loop_iv_stack_insert_constant): Removed.
2005         (loop_iv_stack_pop): Removed.
2006         (loop_iv_stack_get_iv): Removed.
2007         (loop_iv_stack_get_iv_from_name): Removed.
2008         (debug_loop_iv_stack): Removed.
2009         (free_loop_iv_stack): Removed.
2010         (loop_iv_stack_remove_constants): Removed.  *
2011         sese.h (iv_stack_entry_kind): Removed.
2012         (iv_stack_entry_data_union): Removed.
2013         (iv_stack_entry_struct): Removed.
2014         (iv_stack_entry_p): Removed.
2015         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2016         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2017         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2018         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2019         (gbb_loop_at_index): Fix indenting.
2020         (gbb_loop_index): Removed.
2021
2022 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2025         Call clast_name_to_index.
2026
2027 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2028
2029         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2030         do not pass params.  Get params from SESE_PARAMS.
2031         (clast_to_gcc_expression): Same.
2032         (clast_to_gcc_expression_red): Same.
2033         (gcc_type_for_clast_eq): Same.
2034         (graphite_translate_clast_equation): Same.
2035         (graphite_create_new_loop): Same.
2036         * sese.c (rename_variables_in_stmt): Fix comment.
2037
2038 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2039
2040         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2041         newivs_index.
2042         Call save_clast_name_index.
2043         (translate_clast): Pass newivs_index.
2044         (gloog): Create and free newivs_index.
2045
2046 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2049         (clast_name_index_p): New type.
2050         (debug_clast_name_index): New.
2051         (debug_clast_name_indexes_1): New.
2052         (debug_clast_name_indexes): New.
2053         (clast_name_index_elt_info): New.
2054         (eq_clast_name_indexes): New.
2055         (clast_name_to_index): New.
2056         (new_clast_name_index): New.
2057         (save_clast_name_index): New.
2058         (init_sese_params_index): New.
2059         (gloog): Call init_sese_params_index.
2060         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2061         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2062         (free_sese): Free SESE_PARAMS_INDEX.
2063         * sese.h (struct sese): Add params_index.
2064         (SESE_PARAMS_INDEX): New.
2065
2066 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2067
2068         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2069         (graphite_create_new_loop): Pass the newivs vector.  Push the
2070         newly created IV to newivs.
2071         (translate_clast): Pass the newivs vector.
2072         (gloog): Create and destroy the newivs vector.
2073
2074 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2077         (graphite_loop_normal_form): Initialize loop->aux with the unique
2078         IV that has been created.
2079
2080 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2081
2082         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2083         scev with parameters in the base part. They where forbidden
2084         exidently.
2085
2086 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2087
2088         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2089         compile options by file names.
2090         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2091         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2092         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2093         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2094
2095 2009-05-08  Li Feng <nemokingdom@gmail.com>
2096
2097         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2098         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2099         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2100         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2101
2102 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2103
2104         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2105         by final cleanup.
2106
2107 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2108
2109         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2110         allow integer constant strides.
2111         (graphite_can_represent_expr): Depend on outermost_loop.
2112         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2113         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2114         build_scops_1): Same.
2115         (scopdet_basic_block_info): Same and insert layered SCoP
2116         detection.
2117         (try_generate_gimple_bb): Cleanup.
2118         (build_scops): Enable data references.
2119
2120         * testsuite/gcc.dg/graphite/id-5.c: New.
2121         * testsuite/gcc.dg/graphite/id-9.c: New.
2122         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2123         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2124
2125 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2126
2127         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2128         that we have not yet built for this SCoP.
2129
2130 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2131
2132         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2133         for complex numbers.
2134
2135 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2136
2137         * graphite-ppl.c: Fix build if cloog is not available.
2138
2139 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2140
2141         * tree-parloops.c (loop_parallel_p): Remove construction of
2142         NITER and REDUCTION_LIST.
2143         (try_get_loop_niter): New.
2144         (try_create_reduction_list): New.
2145         (parallelize_loops): Bypass the failed checkings in autopar
2146         when can_be_parallel in loop structure is set to true.
2147
2148 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2149
2150         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2151         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2152
2153 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2154
2155         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2156         Enable EQ_EXPR and NE_EXPR again.
2157
2158 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2159
2160         * graphite-scop-detection.c (graphite_can_represent_scev):
2161         Add check if scev is affine multivariate.
2162         (harmful_stmt_in_bb): Check if we can represent the conditions.
2163         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2164         harmful_stmt_in_bb.
2165         * testsuite/gcc.dg/graphite/id-7.c: New.
2166
2167 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2168
2169         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2170         Check all bbs in region, not only the bbs that are represented in
2171         GRAPHITE.
2172         (build_poly_scop): Add newline.
2173         * testsuite/gcc.dg/graphite/id-8.c: New.
2174
2175 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2176
2177         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2178         when loop initialize.
2179         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2180         * common.opt: Declare flag_graphite_force_parallel.
2181         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2182         loop parallel.
2183         * graphite-poly.c (apply_poly_transforms): Introduce
2184         flag_graphite_force_parallel.
2185         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2186         * toplev.c (process_options): ditto and replace a not correctly
2187         encoded space.
2188
2189 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2190
2191         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2192         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2193         to the redefinition.
2194         (compute_cloog_iv_types_1): ditto.
2195         (build_iv_mapping): ditto.
2196         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2197         initialization.
2198         (free_gimple_bb): Removed GBB_LOOPS related free part.
2199         (build_bb_loops): Removed.
2200         * sese.h (struct gimple_bb): Removed loops.
2201         (GBB_LOOPS): Removed.
2202         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2203         (gbb_loop_index): ditto.
2204
2205 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2206
2207         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2208         allow non constant strides.
2209         * testsuite/gcc.dg/graphite/scop-20.c: New.
2210
2211 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2212
2213         * graphite-scop-detection.c (dot_all_scops): Fix system call
2214         return value warning.
2215         (dot_scop): Same.
2216
2217 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2218
2219         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2220         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2221
2222 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2223
2224         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2225         build_pairwise_constraint, dr_equality_constraints,
2226         build_pairwise_scheduling_equality,
2227         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2228         build_lexicographically_gt_constraint, dependence_polyhedron,
2229         graphite_legal_transform_dr, graphite_legal_transform_bb,
2230         graphite_legal_transform): New.
2231         * graphite-poly.h (graphite_legal_transform): Declared.
2232         * graphite-sese-to-poly.c (build_poly_scop): Call to
2233         graphite_legal_transform is disabled for the moment.
2234
2235 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-poly.h (pbb_nb_scattering_dims): New.
2238         (pbb_nb_scattering): Use it.
2239
2240 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2243         Pointset_Powerset version of ppl_insert_dimensions.
2244         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2245
2246 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2247
2248         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2249
2250 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2251
2252         * graphite-poly.h: Fix comment.
2253
2254 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2257
2258 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2259
2260         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2261         statements.
2262
2263 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2264
2265         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2266         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2267         conditions.
2268
2269 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2272         handle EQ_EXPR and NE_EXPR.
2273
2274 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2275
2276         * graphite-poly.h (poly_dr): Fix comment.
2277
2278 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2279             Tobias Grosser  <grosser@fim.uni-passau.de>
2280
2281         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2282         with a zero dimension polyhedron.
2283         (find_scop_parameters): Move the call to scop_set_nb_params here.
2284         (build_loop_iteration_domains): Store in loop->aux the iteration
2285         domain polyhedron.
2286         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2287         by any loop in scop.
2288         (build_poly_scop): Do not call scop_set_nb_params.
2289
2290 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2291             Tobias Grosser  <grosser@fim.uni-passau.de>
2292
2293         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2294         add_condition_to_domain not GT_EXPR.
2295
2296 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2297
2298         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2299         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2300         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2301         upper_bound_assign to calculate unions.
2302         * testsuite/gcc.dg/graphite/id-6.c: New.
2303
2304 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2305
2306         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2307         handle abnormal edges.
2308
2309 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2310
2311         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2312         (free_poly_bb): Also free poly_drs.
2313         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2314         (poly_dr): Polyhedron to Pointset_Powerset.
2315         (pdr_accessp_nb_subscripts): Same.
2316         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2317         poly_drs.
2318
2319 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2320
2321         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2322         names into more meaningful names.
2323
2324 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2325
2326         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2327         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2328
2329 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2330
2331         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2332         the reduction_list.
2333         * tree-parloops.c (rewrite_phi_with_iv): New.
2334         (rewrite_all_phi_nodes_with_iv): New.
2335         (canonicalize_loop_ivs): Call them.
2336
2337 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2338
2339         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2340         graphite_find_data_references_in_stmt.
2341         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2342         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2343
2344 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2347
2348 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2349
2350         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2351         instead of bb_in_region.
2352         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2353         (build_sese_conditions): Use flag_bb_in_sese.
2354         * sese.c (register_bb_in_sese): Removed.
2355         (new_sese): Remove initialization of SESE_REGION_BBS.
2356         (free_sese): Do not free SESE_REGION_BBS.
2357         * sese.h (struct sese): Remove field region_basic_blocks.
2358         (SESE_REGION_BBS): Removed.
2359         (bb_in_sese_p): Implement in function of bb_in_region.
2360
2361 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2364         loops.
2365
2366 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2367
2368         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2369         and EQ_EXPR.
2370         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2371         (add_condition_to_domain): New.
2372         (add_condition_to_pbb): New.
2373         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2374         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2375
2376 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2377
2378         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2379         ppl_Pointset_Powerset.
2380         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2381         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2382         (pbb_nb_loops): Same.
2383         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2384         add_conditions_to_domain): Same.
2385         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2386         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2387         ppl_const_Polyhedron_t.
2388         (ppl_print_powerset_matrix): New.
2389         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2390         ppl_print_powerset_matrix): New.
2391         (ppl_print_polyhedron_matrix): Updated.
2392
2393 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2396
2397 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2398
2399         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2400         (print_iteration_domains, debug_iteration_domain,
2401         debug_iteration_domains): New.
2402         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2403         debug_iteration_domains): Declared.
2404         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2405         indenting.
2406
2407 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2408             Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * graphite-poly.h (print_iteration_domain): New.
2411         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2412         (build_sese_conditions_1, build_sese_conditions_after,
2413         build_sese_conditions_before): New.
2414         (build_sese_conditions): Rewritten.
2415
2416 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2417             Tobias Grosser  <grosser@fim.uni-passau.de>
2418
2419         Cleanup of code generation liveouts.
2420         * graphite-clast-to-gimple.c (translate_clast): Use a single
2421         rename_map instead of one per translated statement.
2422         Do not use SESE_LIVEOUT_RENAMES.
2423         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2424         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2425         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2426         phi node of a reduction: when a loop contains a reduction used outside
2427         the loop, there should be a scalar close phi node on the exit block.
2428         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2429         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2430         (free_sese): Do not free them.
2431         (sese_build_liveouts_use): Do not use them.
2432         (sese_build_liveouts_bb): Same.
2433         (sese_build_liveouts): Same.
2434         (sese_insert_phis_for_liveouts): Same.
2435         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2436         (defined_in_loop_p): New.
2437         (alive_after_loop): New.
2438         (close_phi_not_yet_inserted_p): New.
2439         (struct alep, alep_p): New.
2440         (add_loop_exit_phis): Remove from the rename_map all the names defined
2441         in the code generated loop.
2442         (insert_loop_close_phis): Traverse the rename_map passed to it.
2443         Don't use SESE_LIVEOUT_RENAMES.
2444         (default_liveout_before_guard): Renamed default_before_guard.
2445         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2446         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2447         (register_sese_liveout_renames): Removed.
2448         (copy_bb_and_scalar_dependences): Do not call it.
2449         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2450         reduction_list.
2451         (SESE_LIVEOUT): Removed.
2452         (SESE_LIVEOUT_RENAMES): Removed.
2453         (SESE_REDUCTION_LIST): Removed.
2454         (sese_build_liveouts): Removed.
2455         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2456         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2457         (insert_guard_phis): Same.
2458         (rename_map_elt): Declare a VEC of them.
2459         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2460         trees not pointers to trees.
2461
2462         Rewrite in canonical close SSA form:
2463         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2464         (limit_scops): Close the scop after the block containing the close phi
2465         nodes.
2466         (canonicalize_loop_closed_ssa): New.
2467         (canonicalize_loop_closed_ssa_form): New.
2468         (build_scops): Call canonicalize_loop_closed_ssa_form.
2469
2470         * graphite-sese-to-poly.c: Fix typos.
2471
2472 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2473
2474         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2475         Extended.
2476         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2477         (print_pbb): Add conditions.
2478
2479 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2480             Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2483         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2484         (build_scop_bbs_1): New.
2485         (build_scop_bbs): Rewrite.
2486         * sese.h (bb_in_region): New.
2487
2488 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2489
2490         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2491         poly_drs vector.
2492         (print_scop): Style.
2493         * graphite-poly.h (poly_bb): Add drs vector.
2494         (PBB_DRS): Add accessor.
2495         * graphite-sese-to-poly.c (build_poly_dr): New.
2496         (build_pbb_drs, build_scop_drs): New.
2497         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2498
2499 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2500
2501         * tree-ssa-loop.c: Include forgotten toplev.h
2502
2503 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2504
2505         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2506         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2507         * testsuite/gcc.dg/graphite/pr37928.c: Same
2508         * testsuite/gcc.dg/graphite/pr38409.c: Same
2509         * testsuite/gcc.dg/graphite/pr38498.c: Same
2510         * testsuite/gcc.dg/graphite/pr38559.c: Same
2511         * testsuite/gcc.dg/graphite/pr39335.c: Same
2512         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2513         * testsuite/gfortran.dg/graphite/block-2.f: Same
2514         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2515         with -floop-*.
2516
2517 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2518
2519         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2520         build_access_matrix, build_scop_data_accesses): Remove access function
2521         building. (We get a new version soon).
2522         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2523         * sese.h (nb_loops_around_loop_in_sese): Remove.
2524         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2525
2526 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2527             Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         * graphite-scop-detection.c (struct scopdet_info): Rename last
2530         field to exit.
2531         (scopdet_basic_block_info, build_scops_1): Don't use
2532         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2533
2534 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2535             Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2538         * sese.c (sese_build_liveouts_use): Renamed from
2539         sese_build_livein_liveouts_use. Remove liveins.
2540         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2541         Call sese_build_liveouts_use.
2542         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2543         Call sese_build_liveouts_bb.
2544         (new_sese, free_sese): Remove liveins.
2545         (sese_add_exit_phis_var): Deleted.
2546         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2547         directly.
2548         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2549
2550         * sese.h (sese): Remove num_ver and livein.
2551         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2552
2553 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2554
2555         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2556
2557 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2558
2559         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2560         (build_scop_scattering): Do not use compare_prefix_loops any more.
2561         (nb_common_loops): New.
2562
2563 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2564
2565         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2566         (register_old_and_new_names): Renamed set_rename.
2567
2568 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2569
2570         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2571         of the decl from the previous commit.
2572
2573 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * graphite-scop-detection.c (dot_scop): New.
2576         * graphite-scop-detection.h (dot_scop): Declared.
2577
2578 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2581
2582 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2583
2584         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2585         condition at the end of the loop.
2586         * graphite.c (graphite_initialize, graphite_finalize): Print to
2587         dump_file the compiled function.
2588         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2589         of create_empty_loop_on_edge.
2590         (translate_clast): Update the code generation of loops for the new
2591         shape of loops.
2592         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2593
2594 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2595
2596         Reverted the patch from 2009-03-19.
2597
2598 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2599
2600         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2601         poly_drs vector.
2602         (print_scop): Style.
2603         * graphite-poly.h (poly_bb): Add drs vector.
2604         (PBB_DRS): Add accessor.
2605         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2606         (build_access_matrix_with_af, build_access_matrix,
2607         build_scop_data_accesses): Delete.
2608         (build_poly_dr): New.
2609         (build_pbb_drs, build_scop_drs): New.
2610         (build_poly_scop): call build_scop_drs.
2611
2612 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2615         once per basic block.
2616
2617 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2618
2619         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2620         (graphite_can_represent_expr): Renamed from loop_affine_expr
2621         and enhanced.
2622         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2623         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2624         (scopdet_basic_block_info): Actually define entry_block.
2625         (stmt_simple_memref_p): Moved here from ...
2626
2627         * tree-data-ref.c (stmt_simple_memref_p): here.
2628         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2629
2630 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2631
2632         * testsuite/gcc.dg/graphite/id-4.c: New.
2633
2634 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2635
2636         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2637         (register_old_and_new_names): Update the content of the map.
2638         When there was already a rename_map_elt in the map at that
2639         location, free it.
2640         (copy_bb_and_scalar_dependences): Do rename_variables after
2641         expand_scalar_variables.
2642         * graphite-clast-to-gimple.c (build_iv_mapping): 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         (translate_clast): Pass the rename_map.  Do not initialize and free
2646         a rename_map per stmt_user.
2647         (gloog): Initialize and free one rename_map and pass it to
2648         translate_clast.
2649
2650 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * sese.c (expand_scalar_variables_stmt,
2653         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2654         parameter.
2655         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2656         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2657         the gimple_stmt_iterator of the statement to be expanded.
2658         * graphite-scop-detection.c (is_simple_operand): Do handle
2659         REALPART_EXPR.
2660
2661 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2662
2663         * graphite-scop-detection.c (is_simple_operand): Do not handle
2664         REALPART_EXPR.
2665         * testsuite/gcc.dg/graphite/id-2.c: New.
2666
2667         * graphite-sese-to-poly.c (build_bb_loops,
2668         add_value_to_dim, scan_tree_for_params_right_scev,
2669         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2670         find_params_in_bb, build_loop_iteration_domains,
2671         add_conditions_to_domain): Remove subtract.
2672
2673 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2674
2675         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2676         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2677         pbb_loop_at_index -> gbb_loop_at_index.
2678         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2679         (debug_loop_vec): Delete.
2680         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2681         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2682         (PBB_LOOPS): Removed.
2683         (PBB_BLACK_BOX): Insert cast.
2684         (pbb_set_black_box): New setter.
2685         (pbb_loop_at_index, pbb_loop_index): Removed.
2686         (scop_set_region, scop_set_nb_params): New.
2687         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2688         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2689         (build_poly_scop): Use scop_set_nb_params.
2690         * sese.h (gimple_bb): Add LOOPS.
2691         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2692
2693 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2694
2695         Revert previous commit.
2696
2697 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2700         (register_old_and_new_names): Update the content of the map.
2701         When there was already a rename_map_elt in the map at that
2702         location, free it.
2703         (copy_bb_and_scalar_dependences): Do rename_variables after
2704         expand_scalar_variables.
2705         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2706         of the map.  When there was already a rename_map_elt in the
2707         map at that location, free it.
2708         (translate_clast): Pass the rename_map.  Do not initialize and free
2709         a rename_map per stmt_user.
2710         (gloog): Initialize and free one rename_map and pass it to
2711         translate_clast.
2712
2713 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2714
2715         Remove forgotten line in revert.
2716
2717 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2718
2719         Revert previous commit.
2720
2721 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * sese.c (register_old_and_new_names): Update the content
2724         of the map.  When there was already a rename_map_elt in the
2725         map at that location, free it.
2726         (copy_bb_and_scalar_dependences): Do rename_variables after
2727         expand_scalar_variables.
2728         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2729         of the map.  When there was already a rename_map_elt in the
2730         map at that location, free it.
2731         (translate_clast): Pass the rename_map.  Do not initialize and free
2732         a rename_map per stmt_user.
2733         (gloog): Initialize and free one rename_map and pass it to
2734         translate_clast.
2735
2736 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * graphite-clast-to-gimple.c (translate_clast): context_loop
2739         is never NULL.
2740
2741 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2742             Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2745         of the use of ppl_Polyhedron_map_space_dimensions.
2746
2747 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2748             Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2751         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2752         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2753         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2754         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2755         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2756         pbb_nb_params): New.
2757         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2758         nb_loops_around_pbb): Adapt return types.
2759
2760 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2761
2762         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2763         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2764         graphite-scop-detection.o, graphite-poly.o): Add
2765         more headers.
2766
2767 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2768
2769         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2770         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2771         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2772
2773 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2774
2775         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2776         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2777         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2778         * testsuite/gcc.dg/graphite/block-0.c: Same.
2779         * testsuite/gcc.dg/graphite/block-1.c: Same.
2780         * testsuite/gcc.dg/graphite/block-2.c: Same.
2781         * testsuite/gcc.dg/graphite/block-3.c: Same.
2782         * testsuite/gcc.dg/graphite/block-4.c: Same.
2783         * testsuite/gcc.dg/graphite/block-5.c: Same.
2784         * testsuite/gcc.dg/graphite/block-6.c: Same.
2785         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2786         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2787         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2788         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2789         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2790         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2791         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2792         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2793         * opts.c: Remove -floop-block from -O2.
2794         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2795         -floop-strip-mine are used.
2796
2797 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2798             Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2801         dimensions.
2802         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2803         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2804         strip_mine_profitable_p, is_interchange_valid,
2805         graphite_trans_bb_block, graphite_trans_loop_block,
2806         graphite_trans_scop_block): Temporary removed.
2807         (extend_scattering, unify_scattering_dimensions): New.
2808         (print_scattering_function, graphite_read_transforms):
2809         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2810         (graphite_generate_scattering_fns): Removed.
2811         (apply_poly_transforms): Cleanup.
2812         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2813         (schedule_to_scattering): Moved.
2814         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2815         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2816         (pbb_nb_scattering): New.
2817         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2818         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2819         Removed.
2820         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2821         shift_poly.
2822         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2823         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2824         -> PBB_TRANSFORMED_SCATTERING.
2825         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2826         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2827         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2828         (check_poly_representation): Do not return bool.
2829         (graphite_transform_loops): Reformat.
2830         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2831
2832 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2835         debug_pbb_domain, debug_pbb, debug_scop): New.
2836         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2837         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2838
2839 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         PR middle-end/39335
2842         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2843         when the type precision of the induction variable should be
2844         larger than the type precision of nit.
2845         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2846         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2847         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2848
2849         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2850         * testsuite/gcc.dg/graphite/pr39335.c: New.
2851
2852 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2855         SSA_NAMES not struct reduction_info.
2856
2857 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2860
2861 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2862             Tobias Grosser  <grosser@fim.uni-passau.de>
2863
2864         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2865         (free_sese): Free SESE_REDUCTION_LIST.
2866         * sese.h (struct sese): Add field reduction_list.
2867         (SESE_REDUCTION_LIST): New.
2868         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2869         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2870
2871 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2872             Tobias Grosser  <grosser@fim.uni-passau.de>
2873
2874         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2875         of loop_p.
2876
2877 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2878             Tobias Grosser  <grosser@fim.uni-passau.de>
2879
2880         * tree-parloops.c (struct brli, build_reduction_list_info,
2881         analyze_reduction_list, gather_scalar_reductions): New.
2882         (loop_parallel_p): Build a reduction list containing only
2883         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2884         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2885         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2886         * tree-flow.h (gather_scalar_reductions): Declared.
2887
2888 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         PR middle-end/39308
2891         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2892         number_of_iterations_exit from a gcc_assert.
2893
2894 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2895             Jan Sjodin  <jan.sjodin@amd.com>
2896
2897         * output.h (graphite_out_file, graphite_in_file): Declared.
2898         * toplev.c (graphite_out_file, graphite_in_file): New.
2899         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2900         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2901         Don't call schedule_to_scattering.
2902         * common.opt (fgraphite-write, fgraphite-read): New.
2903         * graphite-poly.c: Include output.h.
2904         (print_scattering_function, print_scattering_functions,
2905         debug_scattering_function, debug_scattering_functions,
2906         graphite_write_transforms, graphite_read_transforms,
2907         graphite_generate_scattering_fns): New.
2908         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2909         Call graphite_generate_scattering_fns, graphite_write_transforms,
2910         graphite_read_transforms.
2911         (new_poly_bb): Initialize PBB_SCATTERING.
2912         (free_poly_bb): Free PBB_SCATTERING.
2913         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2914         * graphite-poly.h (struct poly_bb): Add field scattering.
2915         (PBB_SCATTERING): New.
2916         (print_scattering_function, print_scattering_functions,
2917         debug_scattering_function, debug_scattering_functions): Declared.
2918         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2919         GMP values, not integers!
2920         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2921         ppl_read_polyhedron_matrix): New.
2922         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2923         debug_ppl_polyhedron_matrix,
2924         ppl_read_polyhedron_matrix): Declared.
2925         * Makefile.in (graphite-poly.o): Depends on output.h.
2926
2927 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2928             Tobias Grosser  <grosser@fim.uni-passau.de>
2929
2930         Revert this change:
2931         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2932         scalar evolutions in the scop_entry->loop_father.
2933
2934 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2935             Tobias Grosser  <grosser@fim.uni-passau.de>
2936
2937         * graphite.h (ref_nb_loops): Remove declaration.
2938         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2939         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2940         debug_gbb): Moved to sese.h.
2941         * sese.h: As said.
2942
2943 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2944             Tobias Grosser  <grosser@fim.uni-passau.de>
2945
2946         * graphite-data-ref.[ch]: Disable.
2947
2948 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2949             Tobias Grosser  <grosser@fim.uni-passau.de>
2950
2951         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2952         scalar evolutions in the scop_entry->loop_father.
2953
2954 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2955
2956         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2957         (graphite_cannot_represent_loop_niter): Renamed
2958         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2959         (limit_scops): build_sese_loop_nests does not return a bool.
2960         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2961         * sese.c (nb_reductions_in_loop): ... from here.
2962         (graphite_loop_normal_form): ... from here.
2963         (sese_record_loop): Does not fail, so does not return a bool.
2964         (build_sese_loop_nests): Same.
2965         * sese.h (build_sese_loop_nests): Update declaration.
2966         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2967         (build_graphite_loop_normal_form): New.
2968         (gloog): Call build_graphite_loop_normal_form.
2969         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2970         build_sese_loop_nests.
2971
2972         * testsuite/gcc.dg/graphite/id-1.c: New.
2973
2974 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2975             Tobias Grosser  <grosser@fim.uni-passau.de>
2976
2977         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2978         The SCoP detection fix is sufficient.
2979
2980 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         PR tree-optimization/39260
2983         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2984         the basic block contains a condition with a real type.
2985         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2986
2987         * gcc.dg/graphite/pr39260.c: New.
2988
2989 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * graphite-poly.c: Inlcude params.h.
2992         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2993         the size of a tile.
2994         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2995         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2996
2997 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2998             Tobias Grosser  <grosser@fim.uni-passau.de>
2999
3000         * graphite-scop-detection.c (dot_all_scops_1,
3001         dot_all_scops): Moved here.
3002         * graphite-scop-detection.h (dot_all_scops): Declared here.
3003         * graphite.c (graphite_initialize, graphite_finalize): New.
3004         (graphite_transform_loops): Cleaned up.
3005         * sese.c (debug_oldivs): Moved here.
3006         * graphite-poly.c (graphite_apply_transformations): Renamed
3007         apply_poly_transforms.
3008         (debug_loop_vec): Moved here.
3009         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3010         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3011         find_scop_parameters, build_scop_iteration_domain,
3012         add_conditions_to_constraints, build_scop_canonical_schedules,
3013         build_scop_data_accesses): Now static.
3014         (build_poly_scop, check_poly_representation): New.
3015
3016 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3019         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3020         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3021         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3022         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3023         scan_tree_for_params, struct irp_data, dx_record_params,
3024         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3025         build_loop_iteration_domains, add_conditions_to_domain,
3026         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3027         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3028         build_sese_conditions, add_conditions_to_constraints,
3029         build_scop_iteration_domain, build_access_matrix_with_af,
3030         build_access_matrix,
3031         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3032
3033         * graphite-sese-to-poly.c: New.
3034         * graphite-sese-to-poly.h: New.
3035
3036         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3037
3038 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3039
3040         * graphite.c: Split graphite code generation to a new file.
3041         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3042         max_precision_type, clast_to_gcc_expression_red,
3043         clast_to_gcc_expression, gcc_type_for_clast_expr,
3044         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3045         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3046         graphite_create_new_guard, clast_get_body_of_loop,
3047         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3048         graphite_create_new_loop, build_iv_mapping, copy_renames,
3049         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3050         compute_cloog_iv_types, free_scattering, save_var_name,
3051         initialize_cloog_names, build_scop_context, build_cloog_prog,
3052         set_cloog_options, debug_clast_stmt, scop_to_clast,
3053         print_generated_program, debug_generated_program,
3054         gloog): Moved to graphite-clast-to-gimple.c.
3055
3056         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3057
3058         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3059         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3060         loop_iv_stack_pop, loop_iv_stack_get_iv,
3061         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3062         free_loop_iv_stack, loop_iv_stack_remove_constants,
3063         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3064         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3065         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3066         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3067         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3068         get_vdef_before_sese, sese_adjust_vphi,
3069         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3070         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3071         is_iv, expand_scalar_variables_ssa_name,
3072         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3073         expand_scalar_variables, rename_variables, remove_condition,
3074         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3075         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3076         default_liveout_before_guard, add_guard_exit_phis,
3077         insert_guard_phis, register_old_and_new_names,
3078         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3079         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3080         if_region_set_false_region, create_if_region_on_edge,
3081         move_sese_in_condition): Moved to sese.c.
3082
3083         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3084         if_region_exit, if_region_get_condition_block,
3085         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3086         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3087         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3088         ivtype_map_elt, new_ivtype_map_elt,
3089         recompute_all_dominators): Moved to sese.h.
3090
3091         * graphite-clast-to-gimple.c: New.
3092         * graphite-clast-to-gimple.h: New.
3093         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3094         * sese.c: Modified as said above.
3095         * sese.h: Same.
3096
3097 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * graphite.c: Split scop detection to a new file.
3100         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3101         move_sd_regions, loop_affine_expr, exclude_component_ref,
3102         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3103         graphite_cannot_represent_loop_niter, struct scopdet_info,
3104         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3105         find_single_entry_edge, find_single_exit_edge,
3106         create_single_entry_edge, sd_region_without_exit,
3107         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3108         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3109         Moved to graphite-scop-detection.c.
3110
3111         * graphite-scop-detection.c: New.
3112         * graphite-scop-detection.h: New.
3113         * Makefile.in: Add new rule for graphite-scop-detection.o.
3114
3115         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3116         tree-scalar-evolution.h.
3117         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3118         build_sese_loop_nests): Moved here from graphite.c.
3119         (param_index): Renamed parameter_index_in_region.
3120
3121 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3122             Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * gcc.dg/graphite/block-0.c: Expected to fail now.
3125         * gcc.dg/graphite/block-1.c: Same.
3126         * gcc.dg/graphite/block-5.c: Same.
3127         * gcc.dg/graphite/block-6.c: Same.
3128
3129 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3130             Sebastian Pop  <sebastian.pop@amd.com>
3131
3132         * graphite.h: Separate from graphite_bb_p the polyhedral
3133         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3134         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3135         graphite-data-ref.h.
3136         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3137         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3138         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3139         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3140         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3141         scop_nb_params): Moved to graphite-poly.h.
3142         * graphite-data-ref.c: Same.
3143         * graphite-data-ref.h: New.
3144         * graphite.c: Same.
3145         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3146         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3147         is_interchange_valid, graphite_trans_bb_block,
3148         graphite_trans_loop_block, scop_max_loop_depth,
3149         graphite_trans_scop_block, graphite_apply_transformations,
3150         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3151         graphite-poly.c.
3152         * graphite-poly.h: New.
3153         * graphite-poly.c: New.
3154         * Makefile.in (OBJS-common): Add graphite-poly.o.
3155         (graphite-poly.o): New rule.
3156         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3157         (DR_SCOP): Removed.
3158
3159 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3160             Tobias Grosser  <grosser@fim.uni-passau.de>
3161
3162         * graphite.c: Replace gb -> gbb.
3163         * graphite.h: Same.
3164         * graphite-data-ref.c: Same.
3165
3166 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3167             Tobias Grosser  <grosser@fim.uni-passau.de>
3168
3169         * Makefile.in (OBJS-commmon): Add sese.o.
3170         (sese.o): New.
3171         (graphite.o): Add sese.h.
3172         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3173         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3174         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3175         Move to sese.
3176         (block_before_scop): Add missing return.
3177         (new_scop, free_scop): Remove SESE data structures.
3178         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3179         find_scop_parameters, build_loop_iteration_domains,
3180         add_conditions_to_domain, register_scop_liveout_renames,
3181         copy_bb_and_scalar_dependences): Scop -> SESE.
3182
3183         (add_conditions_to_domain): SCoP -> SESE and remove check
3184         (scop_contains_non_iv_scalar_phi_nodes): New.
3185         (build_scop_conditions_1, build_scop_conditions): Remove check for
3186         non iv scalar phi nodes.
3187         (print_scop_statistics): New.
3188         (graphite_transform_loops): Cleanup.
3189
3190         * graphite.h: Move to sese & cleanup.
3191         * sese.c: New.
3192         * sese.h: New.
3193
3194 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3195             Tobias Grosser  <grosser@fim.uni-passau.de>
3196
3197         * graphite.c (build_scop_conditions_1): Conditions are only
3198         at the end of a basic block.
3199
3200 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3201             Tobias Grosser  <grosser@fim.uni-passau>
3202
3203         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3204         field.
3205         (GBB_ALPHA): Removed.
3206
3207 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3208             Tobias Grosser  <grosser@fim.uni-passau.de>
3209
3210         * graphite-data-ref.c (graphite_test_dependence): Don't use
3211         GBB_DYNAMIC_SCHEDULE.
3212         * graphite.c (new_graphite_bb): Same.
3213         (free_graphite_bb): Same.
3214         (build_scop_dynamic_schedules): Removed.
3215         (graphite_transform_loops): Don't call it.
3216         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3217         (GBB_DYNAMIC_SCHEDULE): Removed.
3218
3219 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3220             Tobias Grosser  <grosser@fim.uni-passau.de>
3221
3222         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3223         (print_graphite_bb): Same.
3224         (build_cloog_prog): Same.
3225
3226 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3227             Tobias Grosser  <grosser@fim.uni-passau.de>
3228
3229         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3230
3231 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3232             Tobias Grosser  <grosser@fim.uni-passau.de>
3233
3234         * graphite.c (build_scop_context): Don't use CloogMatrix.
3235         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3236         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3237
3238 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3239             Tobias Grosser  <grosser@fim.uni-passau.de>
3240
3241         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3242         liveout_renames, add_params fields...
3243         (struct sese): ... here.
3244         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3245         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3246
3247 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3248             Tobias Grosser  <grosser@fim.uni-passau.de>
3249
3250         * graphite.c (print_scop): Do not print the CLooG program.
3251         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3252         build_cloog_prog, gloog): Don't use SCOP_PROG.
3253         (find_transform): Renamed scop_to_clast.
3254         (print_generated_program, debug_generated_program): New.
3255         (graphite_transform_loops): Adapt to new interface.
3256         * graphite.h (struct scop): Remove program field.
3257         (SCOP_PROG): Removed.
3258         (print_generated_program, debug_generated_program): Declared.
3259
3260 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3263         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3264         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3265         free_graphite_bb, build_scop_canonical_schedules,
3266         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3267         schedules are now represented using a ppl_Linear_Expression_t.
3268         * graphite.h (struct graphite_bb): Same.
3269         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3270         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3271
3272 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3273
3274         * graphite.c: Free local memory.
3275         * graphite-ppl.c: Same.
3276
3277 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3280         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3281         swap_constraint_variables, scale_constraint_variable): Removed.
3282         (graphite_trans_bb_strip_mine): Remove pong.
3283         * graphite-ppl.c: Include missing header files.
3284         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3285         * graphite-ppl.h (ppl_strip_loop): Declared.
3286         * Makefile.in (graphite-ppl.o): Adjust dependences.
3287
3288 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3291         (build_scop_iteration_domain): Same.
3292
3293 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3296         ping pong.
3297         (add_value_to_dim, scan_tree_for_params_right_scev,
3298         scan_tree_for_params_int): New.
3299         * graphite-ppl.c (oppose_constraint): New.
3300         (insert_constraint_into_matrix): Implement missing cases.
3301         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3302
3303 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3304
3305         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3306         use ppl_move_dimension.
3307
3308 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3309
3310         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3311         * graphite.c: Same.
3312         * graphite.h: Same.
3313         * graphite-ppl.c: Same.
3314         * graphite-ppl.h: Same.
3315
3316 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         Revert last 3 commits.
3319
3320 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3321
3322         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3323         ping pong.
3324         (add_value_to_dim, scan_tree_for_params_right_scev,
3325         scan_tree_for_params_int): New.
3326         * graphite-ppl.c (oppose_constraint): New.
3327         (insert_constraint_into_matrix): Implement missing cases.
3328         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3329
3330 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3333
3334 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3335             Tobias Grosser  <grosser@fim.uni-passau.de>
3336
3337         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3338         use ppl_move_dimension.
3339         * graphite-ppl.c (ppl_move_dimension): New.
3340         * graphite-ppl.h (ppl_move_dimension): Declared.
3341
3342 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3343
3344         * graphite.c: Do not include cloog/cloog.h.
3345         (print_graphite_bb): Remove ping pong, call PPL print function.
3346
3347 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3348
3349         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3350         (graphite.o): Add dependence on graphite-ppl.h.
3351         (graphite-ppl.o): New.
3352         (graphite-data-ref.c): Ping pong between PPL data structures
3353         and matrices.
3354         * graphite-ppl.c: New.
3355         * graphite-ppl.h: New.
3356         * graphite.c: Include graphite-ppl.h.
3357         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3358         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3359         Ping pong between PPL data structures and matrices.
3360         (new_graphite_bb): Create a PPL constraint system.
3361         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3362         (build_loop_iteration_domains): Use PPL functions.
3363         * graphite.h: Include graphite-ppl.h.  Fix comments.
3364         (graphite_bb): Use a ppl_Constraint_System_t instead of
3365         CloogMatrix for representing the domain.
3366         (scop): Remove static_schedule.
3367         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3368
3369 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3370
3371         * graphite.c: Fix some comments.
3372
3373 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3374
3375         PR middle-end/38953
3376         * graphite.c (if_region_set_false_region): After moving a region
3377         in the false branch of a condition, remove the empty dummy
3378         basic block.
3379         (gloog): Remove wrong fix for PR38953.
3380
3381 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3382
3383         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3384         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3385         register_bb_in_sese, new_sese, free_sese): Moved.
3386         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3387         outermost_loop_in_scop, build_scop_iteration_domain,
3388         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3389         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3390         Use loop_in_sese_p instead of loop_in_scop_p.
3391         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3392         (free_scop): Do not free SCOP_BBS_B.
3393         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3394         ref_nb_loops): Moved here...
3395         * graphite.h (ref_nb_loops): ... from here.
3396         (struct scop): Remove bbs_b bitmap.
3397         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3398         * testsuite/gcc.dg/graphite/scop-19.c: New
3399
3400 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3401
3402         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3403         detection.
3404
3405 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3406
3407         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3408         eq_loop_to_cloog_loop): Remove.
3409         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3410         * graphite.h (struct scop): Remove loop2cloog_loop.
3411         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3412
3413 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3414
3415         * opts.c (decode_options): Only add graphite options to O2
3416         if we compile with graphite enabled.
3417
3418 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         * Merge from mainline (r143163:143684).
3421
3422 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3423
3424         * graphite.c (debug_value): Removed.
3425         * graphite.h (debug_value): Removed.
3426
3427 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3428
3429         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3430         after graphite: pass_copy_prop does not maintain a proper loop closed
3431         SSA form.  pass_copy_prop should be fixed.
3432
3433 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3434
3435         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3436
3437 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3438
3439         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3440         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3441         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3442         changed the CFG.
3443
3444 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         * graphite.c (gloog): Return true when code gen succeeded.
3447         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3448         the code of the function did not changed.  After cleanup_tree_cfg
3449         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3450         form.
3451
3452 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3455         gimple_call_lhs is NULL.
3456
3457 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3458             Tobias Grosser  <tobi.grosser@amd.com>
3459
3460         * graphite.c (graphite_trans_scop_block): Do not block single
3461         nested loops.
3462
3463 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3464             Tobias Grosser  <tobi.grosser@amd.com>
3465
3466         * graphite.c (build_scop_canonical_schedules): Start schedules at
3467         zero.
3468
3469 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3470             Tobias Grosser  <tobi.grosser@amd.com>
3471
3472         * graphite.c (compare_prefix_loops): New.
3473         (build_scop_canonical_schedules): Rewritten.
3474         (graphite_transform_loops): Move build_scop_canonical_schedules
3475         after build_scop_iteration_domain.
3476
3477 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3478             Tobias Grosser  <tobi.grosser@amd.com>
3479
3480         * graphite.c (add_conditions_to_domain): Add the loops to
3481         the dimension of the iteration domain.  Do copy the domain
3482         only when it exists.
3483         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3484         (add_conditions_to_constraints): New.
3485         (can_generate_code_stmt, can_generate_code): Removed.
3486         (gloog): Do not call can_generate_code.
3487         (graphite_transform_loops): Call add_conditions_to_constraints
3488         after building the iteration domain.
3489
3490 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3491             Tobias Grosser  <tobi.grosser@amd.com>
3492             Jan Sjodin  <jan.sjodin@amd.com>
3493
3494         * graphite.c (scan_tree_for_params): On substractions negate
3495         all the coefficients of the term.
3496         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3497         of more than two operands.
3498         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3499         (get_vdef_before_scop): Handle also the case of default definitions.
3500
3501 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         PR middle-end/38431
3504         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3505         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3506         (gloog): Do not call cleanup_tree_cfg.
3507         (graphite_transform_loops): Call cleanup_tree_cfg after all
3508         scops have been code generated.
3509
3510 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3511
3512         * passes.c (init_optimization_passes): Schedule after
3513         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3514
3515 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3516
3517         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3518         Fix comment.
3519         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3520         Set the type of an expression to the type of its assign statement.
3521         (expand_scalar_variables_expr):  Do not pass loop_p.
3522         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3523         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3524         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3525
3526 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3529         an expression to the gimple_expr_type of its assign statement.
3530         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3531         or tcc_declaration.
3532
3533 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3534
3535         PR tree-optimization/38786
3536         * testsuite/gcc.dg/graphite/pr38786.c: New.
3537         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3538         the SSA_NAME case of expand_scalar_variables_expr.
3539         (expand_scalar_variables_expr): Also gather the scalar computation
3540         used to index the memory access.
3541         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3542         the gimple_stmt_iterator where it inserts new code.
3543
3544 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3545
3546         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3547
3548 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3549
3550         * opts.c (decode_options): Enable flag_graphite_identity and
3551         flag_loop_block in -O2 and above.
3552
3553 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3554
3555         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3556         Fix merge problem: replace with the file from trunk.
3557
3558 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         * Merge from mainline (r141727:143163).
3561
3562 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3563             Jan Sjodin  <jan.sjodin@amd.com>
3564
3565         PR tree-optimization/38559
3566         * testsuite/gcc.dg/graphite/pr38559.c: New.
3567
3568         * graphite.c (debug_value, copy_constraint,
3569         swap_constraint_variables, scale_constraint_variable, ): New.
3570         (get_lower_bound, get_upper_bound): Removed.
3571         (graphite_trans_bb_strip_mine): Clean up this code that works
3572         only for constant number of iterations.  Fully copy upper and
3573         lower bound constraints, not only the constant part of them.
3574         * graphite.h (debug_value): Declared.
3575
3576 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3577
3578         PR tree-optimization/38492
3579         PR tree-optimization/38498
3580         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3581         * tree-chrec.h (scev_is_linear_expression): Declared.
3582         * graphite.c (graphite_cannot_represent_loop_niter): New.
3583         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3584         (graphite_loop_normal_form): Use gcc_assert.
3585         (scan_tree_for_params): Use CASE_CONVERT.
3586         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3587         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3588         Use gcc_assert.  Discard scops that contain unhandled cases.
3589         (build_scop_conditions): Return a boolean status for unhandled cases.
3590         (strip_mine_profitable_p): Print the loop number, not its depth.
3591         (is_interchange_valid): Pass the depth of the loop nest, don't
3592         recompute it wrongly.
3593         (graphite_trans_bb_block): Same.
3594         (graphite_trans_bb_block): Print tentative of loop blocking.
3595         (graphite_trans_scop_block): Do not print that the loop has been
3596         blocked.
3597         (graphite_transform_loops): Do not handle scops that contain condition
3598         scalar phi nodes.
3599
3600         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3601         in trunk.
3602         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3603         * testsuite/gcc.dg/graphite/block-1.c: Same.
3604         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3605         blocking.
3606         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3607         * testsuite/gcc.dg/graphite/block-3.c: New.
3608         * testsuite/gcc.dg/graphite/pr38498.c: New.
3609
3610 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3611
3612         PR tree-optimization/38510
3613         * gcc.dg/graphite/pr38510.c: New.
3614         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3615           (translate_clast): Call recompute_all_dominators before
3616           graphite_verify.
3617           (gloog): Call recompute_all_dominators before graphite_verify.
3618
3619 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3620
3621         PR tree-optimization/38492
3622         * graphite.c (rename_map_elt, debug_rename_elt,
3623         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3624         rename_map_elt_info, eq_rename_map_elts,
3625         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3626         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3627         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3628         (sese_build_livein_liveouts): New.
3629         (new_sese, free_sese): New.
3630         (new_scop): Call new_sese.
3631         (free_scop): Call free_sese.
3632         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3633         (register_old_new_names): Renamed register_old_and_new_names.
3634         (register_scop_liveout_renames, add_loop_exit_phis,
3635         insert_loop_close_phis, struct igp,
3636         default_liveout_before_guard, add_guard_exit_phis,
3637         insert_guard_phis, copy_renames): New.
3638         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3639         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3640         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3641         (scop_adjust_phis_for_liveouts): New.
3642         (gloog): Call scop_adjust_phis_for_liveouts.
3643
3644         * graphite.h (struct sese): Documented.  Added fields liveout,
3645         num_ver and livein.
3646         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3647         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3648         (struct scop): Added field liveout_renames.
3649         (SCOP_LIVEOUT_RENAMES): New.
3650
3651 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3652
3653         PR tree-optimization/38409
3654         * gcc.dg/graphite/pr38409.c: New.
3655         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3656
3657 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3658
3659         * graphite.c (gcc_type_for_cloog_iv): By default return
3660         integer_type_node.
3661         (graphite_create_new_loop): Don't fold_convert the already
3662         fold_convert-ed expression.
3663
3664 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3665
3666         PR tree-optimization/38446
3667         * gcc.dg/graphite/pr38446.c: New.
3668         * graphite.c (register_bb_in_sese): New.
3669         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3670         looking at the bbs in the region.
3671         * graphite.h (sese): Add region_basic_blocks pointer set to
3672         structure and initialize at the time of defining new scop.
3673
3674 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3675
3676         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3677         (find_params_in_bb): Do not free data refs.
3678         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3679
3680 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3683         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3684         * testsuite/gcc.dg/graphite/block-5.c: New.
3685         * testsuite/gcc.dg/graphite/block-6.c: New.
3686         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3687         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3688         * testsuite/gcc.dg/graphite/block-2.c: Same.
3689
3690         * graphite.c (struct ivtype_map_elt): New.
3691         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3692         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3693         gcc_type_for_cloog_iv): New.
3694         (loop_iv_stack_patch_for_consts): Use the type of the induction
3695         variable from the original loop, except for the automatically
3696         generated loops, i.e., in the case of a strip-mined loop, in
3697         which case there is no original loop: in that case just use
3698         integer_type_node.
3699         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3700         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3701         (clast_name_to_gcc): Accept params to be NULL.
3702         (clast_to_gcc_expression): Take an extra parameter for the type.
3703         Convert to that type all the expressions built by this function.
3704         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3705         (graphite_translate_clast_equation): Compute the type of the
3706         clast_equation before translating its LHS and RHS.
3707         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3708         (graphite_create_new_loop): Compute the type of the induction
3709         variable before translating the lower and upper bounds and before
3710         creating the induction variable.
3711         (rename_variables_from_edge, rename_phis_end_scop): New.
3712         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3713         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3714         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3715         compute_cloog_iv_types): New.
3716         (gloog): Call compute_cloog_iv_types before starting the
3717         translation of the clast.
3718
3719         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3720         (GBB_CLOOG_IV_TYPES): New.
3721         (debug_ivtype_map): Declared.
3722         (oldiv_for_loop): New.
3723
3724 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3725
3726         PR middle-end/38459
3727         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3728         (param_index): Assert if parameter is not know after parameter
3729         detection.
3730         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3731         (find_scop_parameters): Mark, that we have finished parameter
3732         detection.
3733         (graphite_transform_loops): Move condition detection before parameter
3734         detection.
3735         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3736         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3737
3738 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3739
3740         * graphite.c (graphite_transform_loops): Always call find_transform ()
3741         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3742         generate code.
3743
3744 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3745
3746         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3747         (print_scop): Ditto.
3748
3749 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3750
3751         PR middle-end/38084
3752         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3753         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3754         regions more than once.
3755
3756 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3759         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3760         when not needed.
3761
3762 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3763
3764         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3765         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3766         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3767         (max_precision_type): New.
3768         (value_clast): Removed.
3769         (clast_to_gcc_expression): Be more careful to types of expressions.
3770         Use max_precision_type and update use of gmp_cst_to_tree.
3771         (graphite_translate_clast_equation): Use max_precision_type.
3772         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3773         use the type of the condition.
3774         (graphite_create_new_loop): Do not use integer_type_node, use the
3775         max_precision_type of lb and ub.
3776
3777 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         * graphite.c (build_scops_1): Initialize open_scop.exit
3780         and sinfo.last.
3781
3782 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3783
3784         * testsuite/gcc.dg/graphite/pr38084.c: New.
3785         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3786         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3787         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3788         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3789         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3790
3791 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3792             Jan Sjodin  <jan.sjodin@amd.com>
3793             Harsha Jagasia  <harsha.jagasia@amd.com>
3794
3795         PR middle-end/37852
3796         PR middle-end/37883
3797         PR middle-end/37928
3798         PR middle-end/37980
3799         PR middle-end/38038
3800         PR middle-end/38039
3801         PR middle-end/38073
3802         PR middle-end/38083
3803         PR middle-end/38125
3804
3805         * testsuite/gcc.dg/graphite/pr38073.c: New.
3806         * testsuite/gcc.dg/graphite/pr37928.c: New.
3807         * testsuite/gcc.dg/graphite/pr37883.c: New.
3808         * testsuite/gcc.dg/graphite/pr38125.c: New.
3809         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3810         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3811         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3812
3813         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3814         the number of detected scops.  Copy exact same test for loop
3815         blocking...
3816         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3817         loops to be blocked as reductions are not handled.
3818         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3819
3820         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3821         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3822         ...here.
3823         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3824         * Makefile.in (graphite.o): Depend on value-prof.h.
3825         (graphite.o-warn): Removed -Wno-error.
3826         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3827         to be a NULL pointer.  Call update_stmt.  Return the newly created
3828         cannonical induction variable.
3829
3830         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3831
3832         * graphite.c: Reimplement the code generation from graphite to gimple.
3833         Include value-prof.h.
3834         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3835         (get_old_iv_from_ssa_name): Removed.
3836         (graphite_stmt_p): New.
3837         (new_graphite_bb): Test for useful statements before building a
3838         graphite statement for the basic block.
3839         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3840         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3841         reason.
3842         (recompute_all_dominators, graphite_verify,
3843         nb_reductions_in_loop, graphite_loop_normal_form): New.
3844         (scop_record_loop): Call graphite_loop_normal_form.
3845         (build_scop_loop_nests): Iterate over all the blocks of the
3846         function instead of relying on the incomplete information from
3847         SCOP_BBS.  Return the success of the operation.
3848         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3849         (add_bb_domains): Removed.
3850         (build_loop_iteration_domains): Don't call add_bb_domains.
3851         Add the iteration domain only to the basic blocks that have been
3852         translated to graphite.
3853         (build_scop_conditions_1): Add constraints only if the basic
3854         block have been translated to graphite.
3855         (build_scop_data_accesses): Completely disabled until data
3856         dependence is correctly implemented.
3857         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3858         (remove_all_edges_1, remove_all_edges): Removed.
3859         (get_new_name_from_old_name): New.
3860         (graphite_rename_variables_in_stmt): Renamed
3861         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3862         Use replace_exp and update_stmt.
3863         (is_old_iv): Renamed is_iv.
3864         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3865         Use replace_exp and update_stmt.
3866         (expand_scalar_variables_expr): Same.  Use the map to get the
3867         new names for the renaming of induction variables and for the
3868         renaming of variables after a basic block has been copied.
3869         (expand_scalar_variables): Same.
3870         (graphite_rename_variables): Renamed rename_variables.
3871         (move_phi_nodes): Removed.
3872         (get_false_edge_from_guard_bb): New.
3873         (build_iv_mapping): Do not insert the induction variable of a
3874         loop in the renaming iv map if the basic block does not belong
3875         to that loop.
3876         (register_old_new_names, graphite_copy_stmts_from_block,
3877         copy_bb_and_scalar_dependences): New.
3878         (translate_clast): Heavily reimplemented: copy basic blocks,
3879         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3880         At each translation step call graphite_verify ensuring the
3881         consistency of the SSA, loops and dominators information.
3882         (collect_virtual_phis, find_vdef_for_var_in_bb,
3883         find_vdef_for_var_1, find_vdef_for_var,
3884         patch_phis_for_virtual_defs): Removed huge hack.
3885         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3886         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3887         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3888         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3889         if_region_get_condition_block, if_region_set_false_region,
3890         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3891         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3892         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3893         rewrite_into_sese_closed_ssa): New.
3894         (gloog): Remove dead code.  Early return if code cannot be
3895         generated.  Call cleanup_tree_cfg once the scop has been code
3896         generated.
3897         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3898         block loops with less than two loops.
3899         (graphite_apply_transformations): Remove the call to
3900         scop_remove_ignoreable_gbbs.
3901         (limit_scops): When build_scop_loop_nests fails, continue on
3902         the next scop.  Fix open_scop.entry.
3903         (graphite_transform_loops): Call recompute_all_dominators: force the
3904         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3905         Call initialize_original_copy_tables and free_original_copy_tables
3906         to be able to copy basic blocks during code generation.
3907         When build_scop_loop_nests fails, continue on next scop.
3908         (value_clast): New union.
3909         (clast_to_gcc_expression): Fix type cast warning.
3910
3911 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3912
3913         * Merge from mainline (r140838:141727).
3914
3915 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3916
3917         PR middle-end/37833
3918
3919         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3920
3921 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3922
3923         PR middle-end/37943
3924
3925         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3926         exits and conditions.
3927         * testsuite/gcc.dg/graphite/pr37943.c: New.
3928
3929 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3930
3931         PR middle-end/37886
3932         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3933
3934 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3935
3936         * doc/invoke.texi: Fix spaces.
3937
3938 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3939
3940         PR tree-optimization/37891
3941         Reverted last commit.
3942         * graphite.c (create_single_entry_edge): Set
3943         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3944
3945 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3946             Mitul Thakkar  <mitul.thakkar@amd.com>
3947
3948         * graphite.c (create_single_entry_edge): Set
3949         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3950
3951 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3952
3953         * doc/invoke.texi: Add -fgraphite-identity.
3954         * graphite.c (graphite_apply_transformations): Check for
3955         -fgraphite-identity.
3956         * toplev.c (process_options): Add flag_graphite_identity.
3957         * tree-ssa-loop.c: Add flag_graphite_identity.
3958
3959 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3960
3961         Undo changes from 2008-10-02:
3962         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3963         operand type when copying the operand to a variable of different type.
3964         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3965         with the IV name after increment.
3966
3967 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3968             Harsha Jagasia  <harsha.jagasia@amd.com>
3969
3970         PR tree-optimization/37828
3971         * testsuite/gcc.dg/graphite/pr37828.c: New.
3972         * graphite.c (graphite_trans_loop_block): Do not loop block
3973         single nested loops.
3974
3975 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3976             Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3979         rename_map_elt_info, eq_rename_map_elts): New.
3980         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3981         (expand_scalar_variables_expr): Change parameters.
3982         (expand_scalar_variables_stmt): Same.
3983         (expand_scalar_variables): Same.
3984         (graphite_rename_ivs): Rename graphite_rename_variables.
3985         (build_iv_mapping): New.
3986         (translate_clast): Call build_iv_mapping.
3987         * graphite.h (gbb_p): New name.
3988
3989 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3990
3991         PR tree-optimization/37684
3992         * gcc.dg/graphite/pr37684.c: New.
3993         * graphite.c (exclude_component_ref): New.
3994         (is_simple_operand): Call exclude_component_ref.
3995
3996 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3997             Harsha Jagasia  <harsha.jagasia@amd.com>
3998
3999         PR tree-optimization/37485
4000         * gcc.dg/graphite/block-2.c: New
4001         * graphite.c (gmp_cst_to_tree): Moved.
4002         (iv_stack_entry_is_constant): New.
4003         (iv_stack_entry_is_iv): New.
4004         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4005         (loop_iv_stack_insert_constant): New.
4006         (loop_iv_stack_pop): Use new datatpype.
4007         (loop_iv_stack_get_iv): Same.
4008         (loop_iv_stack_get_iv_from_name): Same.
4009         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4010         (loop_iv_stack_patch_for_consts): New.
4011         (loop_iv_stack_remove_constants): New.
4012         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4013         (translate_clast): Call loop_iv_stack_patch_for_consts and
4014         loop_iv_stack_remove_constants.
4015         (gloog): Use new datatype.  Redirect construction edge to end
4016         block to avoid accidental deletion.
4017         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4018         iv stack entry.
4019         (union iv_stack_entry_data): New.  Data in iv stack entry.
4020         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4021
4022 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4023
4024         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4025         operand type when copying the operand to a variable of different type.
4026
4027 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4028
4029         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4030         with the IV name after increment.
4031
4032 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4033
4034         * Merge from mainline (r140164:140838).
4035
4036 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4037
4038         * graphite-data-ref.c: New.
4039         * graphite.c (print_scop): Also dump the dependence graph.
4040         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4041         (new_scop): Initialize SCOP_DEP_GRAPH.
4042         (build_scop_dynamic_schedules): New.
4043         (build_access_matrix_with_af): Fixed column numbering.
4044         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4045         * graphite.h: Add ifndef/define guards against multiple inclusion.
4046         (struct scop): Add dep_graph field.
4047         (SCOP_DEP_GRAPH): Defined.
4048         (ref_nb_loops): Fixed and moved to other position.
4049         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4050         (nb_loops_around_loop_in_scop): New.
4051         (graphite_dump_dependence_graph): Declared.
4052         (graphite_build_rdg_all_levels): Declared.
4053         (graphite_test_dependence): Declared.
4054         * Makefile.in (graphite-data-ref.o): New target.
4055
4056 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4057
4058         * Merge from mainline (139870:140164).
4059
4060 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4061
4062         * Merge from mainline (138275:139870).
4063         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4064         the commits from trunk broke the niter detection.
4065
4066 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4067
4068         * graphite.c: Add more documentation.  Fix formatting.
4069         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4070         loop_iv_stack_debug): Moved...
4071         (schedule_to_scattering): Move before use.
4072         (dot_all_scops): Include in "#if 0" the code for system
4073         call dotty.
4074
4075         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4076         loop_iv_stack_debug): ...here.
4077
4078 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4079
4080         * tree-phinodes.c (make_phi_node): Extern.
4081         (add_phi_node_to_bb): New.
4082         (create_phi_node): Call add_phi_node_to_bb.
4083         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4084         (remove_statement): Handle case where stored phi was updated
4085         and is no longer the same.
4086         * graphite.c (is_parameter): New.
4087         (is_old_iv): New.
4088         (expand_scalar_variables_expr): New.
4089         (expand_scalar_variables_stmt): New.
4090         (expand_scalar_variables): New.
4091         (move_phi_nodes): Create new phi instead of moving old one.
4092         (translate_clast): Call expand_scalar_variables.
4093         (find_vdef_for_var_in_bb): Also scan regular definitions.
4094         (skip_phi_defs): New.
4095         (collect_scop_exit_phi_args): New.
4096         (patch_scop_exit_phi_args): New.
4097         (gloog): Patch phis after scop.
4098         * tree-flow.h: (add_phi_node_to_bb): Declared.
4099         (make_phi_node): Declared.
4100
4101 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4102
4103         * graphite.c (end_scop): Split the entry of the scop when it
4104         is the header of the loop in which the scop is ending.
4105         (build_scops_1, limit_scops): Update uses of end_scop.
4106
4107 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4108
4109         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4110         SCOP_ENTRY or SCOP_EXIT.
4111
4112 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4113
4114         * graphite.c (get_construction_edge): Removed.
4115         (gloog): Construction edge is the scop entry edge.
4116
4117 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4118
4119         * graphite.c (can_generate_for_scop): Removed.
4120         (gloog): Do not call it.
4121
4122 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4123
4124         * graphite.c (new_scop): Entry of a scop is an edge.
4125         Initialize SESE region.
4126         (free_scop): Free SESE region.
4127         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4128         (split_difficult_bb): New, split from end_scop.
4129         (end_scop): Exit of a scop is an edge.
4130         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4131         not automatically updated and thus is always wrong.
4132         * graphite.h (struct sese): New.
4133         (SESE_ENTRY): New.
4134         (SESE_EXIT): New.
4135         (struct scop): New field for a SESE region.  Remove entry, exit.
4136         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4137         semantics as before.  Moved comment around.
4138
4139 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4140             Sebastian Pop  <sebastian.pop@amd.com>
4141
4142         * graphite.c (graphite_transform_loops): Always enable gloog
4143         and find_transform when ENABLE_CHECKING.
4144
4145 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4146
4147         * graphite.c (graphite_transform_loops): Move pretty printer
4148         of SCOPs before doing any transform.  Remove call to print_scops
4149         and dot_all_scops_1.
4150
4151 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4152
4153         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4154         (print_graphite_bb): Same.
4155
4156 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4157
4158         * graphite.c (dot_all_scops_1): Cleanup.
4159         (move_scops): Fix comment.
4160
4161 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4162
4163         * graphite.c (build_scop_bbs): Revert commit 139355:
4164
4165         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4166                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4167
4168                 * graphite.c (build_scop_bbs): Factor up code.
4169
4170 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4171
4172         * graphite.c (gloog): Update dominator info.
4173
4174 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4175
4176         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4177
4178 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4179
4180         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4181         initialization.
4182         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4183         (translate_clast): Correct formatting.
4184         * graphite.h (struct num_map): Removed.
4185         (struct graphite_bb): Remove num_map field.
4186         (GBB_INDEX_TO_NUM_MAP): Removed.
4187
4188 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4189
4190         * graphite.c (build_access_matrix_with_af): Fix comments.
4191         (build_scop_data_accesses): Same.
4192
4193 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4194
4195         * graphite.c (build_scop_data_accesses): Don't construct
4196         access matrices.  Add a FIXME and an assert condition that
4197         should pass when the access matrices will be needed.
4198
4199 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4200
4201         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4202         really_constant_p.
4203         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4204         Moved close by free_graphite_bb.
4205         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4206         (new_scop): Move close by free_scop.
4207         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4208
4209 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4210
4211         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4212         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4213         instead of recursive call.
4214         (graphite_translate_clast_equation): New.
4215         (graphite_create_guard_cond_expr): New.
4216         (graphite_create_new_guard): New.
4217         (get_stack_index_from_iv): Removed.
4218         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4219         (get_true_edge_from_guard_bb): New.
4220         (translate_clast): Handle stmt_guard in clast.
4221         (get_construction_edge): Allow construction edge detection for
4222         a scope entry with multiple predecessors if one predecessor is
4223         the immediate dominator of scope entry.
4224         (can_generate_code_stmt): Enable code generation for clast_guard.
4225         (gloog): Use correct context loop.  Removed check for post dominators.
4226         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4227
4228 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4229
4230         * graphite.c (remove_dead_loops): Document better which
4231         loops are removed.
4232
4233 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4236         and PPLINC.
4237         (graphite.o): Also depends on pointer-set.h.
4238
4239 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4240
4241         * graphite.c (scop_record_loop): Fix compile warning.
4242
4243 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4244             Sebastian Pop  <sebastian.pop@amd.com>
4245
4246         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4247
4248 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4249
4250         * graphite.c (build_graphite_bb): Initialize bb->aux to
4251         point to the graphite_bb_p.
4252         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4253         content of bb->aux.
4254         (add_bb_domains): Does not use the scop parameter.
4255         (graphite_transform_loops): Clean bb->aux at the end.
4256
4257 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4258             Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         * testsuite/lib/target-supports.exp
4261         (check_effective_target_fgraphite): New.
4262
4263         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4264         check_effective_target_fgraphite returns false.
4265         Set dg-do-what-default to compile.
4266         (scan-graphite-dump-times): Removed.
4267         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4268
4269         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4270         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4271         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4272         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4273         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4274         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4275         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4276         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4277         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4278         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4279         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4280         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4281         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4282         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4283         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4284         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4285         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4286         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4287         * testsuite/gcc.dg/graphite/block-0.c: Same.
4288         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4289         * testsuite/gcc.dg/graphite/block-1.c: Same.
4290         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4291         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4292         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4293         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4294         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4295
4296 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4297
4298         * graphite.c: Fix some XXX comments.
4299         (build_scop_dynamic_schedules): Removed.
4300
4301 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4302
4303         * graphite.h (scop_max_loop_depth): Moved...
4304         * graphite.c (scop_max_loop_depth): ...here.
4305         (remove_all_edges_1): New.
4306         (remove_all_edges): Factored code.
4307         (remove_cond_exprs): Check only the last statement for
4308         a GIMPLE_COND expression.
4309
4310 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4311
4312         * graphite.c (scan_tree_for_params): Early return when the
4313         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4314         (find_scop_parameters): Factor out code.
4315         (graphite_trans_bb_strip_mine): Remove dead code.
4316
4317 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4318
4319         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4320         graphite_trans_bb_move_loop): Factor asserts.
4321         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4322         Do not call calculate_dominance_info and estimate_bb_frequencies.
4323
4324 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4325
4326         * graphite.c (create_loops_mapping, free_loops_mapping,
4327         create_loops_mapping_num, debug_loop_mapping_1,
4328         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4329         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4330         graphite_loops_mapping_add_child_num,
4331         graphite_loops_mapping_insert_child,
4332         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4333         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4334         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4335         create_num_from_index, get_num_from_index,
4336         swap_loop_mapped_depth): Removed.
4337         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4338         (free_scop): Do not call free_loops_mapping.
4339         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4340         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4341         get_loop_mapped_depth.
4342         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4343         (graphite_trans_bb_strip_mine): Same.
4344         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4345         (struct scop): Remove field loops_mapping.
4346
4347 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4348             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4349
4350         * graphite.c (scop_record_loop): Factor out one level of the
4351         condition by early return.
4352         (build_scop_loop_nests): Format following FSF coding style.
4353         (build_scop_dynamic_schedules): Factor out code.
4354         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4355
4356 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4357             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4358
4359         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4360         assignments that are not handled as simple operands for now.
4361
4362 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4363             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4364
4365         * graphite.c (build_scop_bbs): Factor up code.
4366
4367 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4368             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4369
4370         * graphite.c (stmt_simple_for_scop_p): Factor code out
4371         of the loop.
4372         (enum gbb_type): New.  Group all the GBB_* types under it.
4373         (is_loop_exit): Moved...
4374         (end_scop): Enable BB spliting.
4375         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4376         * cfgloop.h (is_loop_exit): Declared.
4377
4378 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * doc/invoke.texi: Remove strides from examples containing
4381         DO loops when the strides are equal to 1.
4382
4383 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4384             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4385
4386         * graphite.c (graphite_trans_scop_block): Or the result with
4387         the result from graphite_trans_loop_block.
4388         * testsuite/gcc.dg/graphite/block-1.c: New.
4389         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4390         * testsuite/gfortran.dg/graphite/block-2.f: New.
4391
4392 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4393
4394         * graphite.c (graphite_transform_loops): Call cloog_initialize
4395         and cloog_finalize.
4396
4397 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4398
4399         * tree-data-ref.c) (stmt_simple_memref_p): New.
4400         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4401         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4402         (is_simple_operand): Call stmt_simple_memref_p.
4403
4404         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4405         using pointer arithmetic, as this is optimized by PRE and
4406         makes the code too difficult to analyze.
4407
4408         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4409
4410 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4411
4412         * gdbinit.in (pgg): New.
4413
4414 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4415
4416         * graphite.c (graphite_trans_loop_block): Fix warning.
4417
4418 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4419
4420         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4421
4422 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4423
4424         * graphite.c (graphite_trans_bb_block): Remove check for
4425         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4426         Check if loop blocking is profitable for every loop, before applying
4427         the changes.
4428         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4429         if flag_loop_block is set.
4430
4431 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4432
4433         * graphite.c: Add some more documentation for the loop
4434         mapping.
4435
4436 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4437
4438         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4439         * graphite.c: Format on less than 80 columns.
4440         * graphite.h: Same.
4441
4442 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4443
4444         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4445
4446 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4447
4448         * doc/invoke.texi (floop-block, floop-strip-mine,
4449         floop-interchange): Update documentation with examples.
4450
4451 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4452
4453         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4454         add_referenced_var.
4455         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4456
4457 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4458
4459         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4460         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4461         * tree-scalar-evolution.c: Revert useless changes.
4462         * tree-phinodes.c: Same.
4463         * cfghooks.c: Same.
4464         * vec.h: Same.
4465         * tree-vectorizer.h: Same.
4466         * tree-flow.h: Same.
4467         * tree-cfg.c: Same.
4468         * common.opt (fgraphite): Update documentation.
4469
4470 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4471
4472         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4473         -floop-interchange): Add more text for explaining what each of these
4474         flags is doing.
4475         * tree-into-ssa.c (gimple_vec): Moved to...
4476         * graphite.c: Include gimple.h.
4477         (gimple_vec): Moved to...
4478         (del_loop_to_cloog_loop): Removed.
4479         (loop_affine_expr): Do not call create_data_ref when the
4480         operand is a constant.
4481         (new_scop): Use free instead of del_loop_to_cloog_loop.
4482         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4483         * gimple.h (gimple_vec): ... here.
4484
4485 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4486
4487         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4488         latch executions.
4489         (build_loop_iteration_domains): Fail, if latch executions unknown.
4490
4491 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4492
4493         * graphite.c (add_conditions_to_domain): New.
4494         (build_scop_conditions_1): Call add_conditions_to_domain.
4495         (set_cloog_options): Allow to disable optimizations.
4496
4497 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4498
4499         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4500         Do not use walk_dominator_tree.
4501         (find_scop_parameters): Do not use walk_dominator_tree.
4502
4503 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4504
4505         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4506         (idx_record_params): Adapt.
4507         * graphite.h (scop_gimple_loop_depth): New.
4508
4509 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4510
4511         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4512         (scan_tree_for_params): Remove value_init.
4513         (build_scop_context): Remove value_init.
4514         (build_loop_iteration_domains): Remove value_init.
4515         (schedule_to_scattering): Remove value_init.
4516         (graphite_trans_bb_strip_mine): Remove value_init.
4517
4518 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4519
4520         * gcc/graphite.c (limit_scops): New.
4521         (graphite_transform_loops): Add limit SCoPs.
4522         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4523         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4524         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4525         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4526         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4527         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4528         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4529         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4530         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4531         Change loop numbers.
4532         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4533         Change loop numbers.
4534         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4535         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4536         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4537         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4538         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4539         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4540         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4541         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4542         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4543         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4544
4545 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4546
4547         * graphite.c (graphite_transform_loops): Call always find_transform.
4548
4549 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4550
4551         * graphite.c (free_loops_mapping): New.
4552         (stmt_simple_for_scop_p): Fix typo.
4553         (stmt_simple_for_scop_p): Fix tuples functions, that
4554         broke polyhedron.
4555         (free_graphite_bb): Fix some memleaks.
4556         (free_scop): Fix some memleaks.
4557         (scopdet_bb_info): Do not forget some tmp SCoPs.
4558         (find_params_in_bb): Fix some memleaks.
4559         (clast_to_gcc_expression): Fix warning.
4560
4561 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4562
4563         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4564         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4565
4566 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4567
4568         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4569         Move code ifdef-ed HAVE_cloog...
4570         * graphite.c: Include toplev.h.
4571         ... here.
4572         * Makefile.in (OBJS-common): Always build graphite.o.
4573         (BACKEND): Remove @GRAPHITE@.
4574         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4575         (graphite.o): Depend on TOPLEV_H.
4576
4577 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4578
4579         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4580         Remove typo left from polylib to ppl conversion.
4581         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4582
4583 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4584
4585         * toplev.c (process_options): Move the graphite loop optimization
4586         flags...
4587         * tree-ssa-loop.c (graphite_transforms): ... here.
4588         When not configured with CLooG, print to dump_file that
4589         Graphite transforms were not performed.
4590         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4591         New.
4592         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4593         scan-graphite-dump-times.
4594
4595 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4598         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4599
4600 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4601             Jan Sjodin  <jan.sjodin@amd.com>
4602
4603         * configure: Regenerated.
4604         * omp-low.c (expand_omp_sections): Remove now unused code.
4605         * config.in (HAVE_polylib): Removed.
4606         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4607         (PPLLIBS, PPLINC): Added.
4608         * graphite.c: Replace unsigned with int wherever possible.
4609         Don't access Cloog's data structures, but use accessor functions.
4610         Clast's stmt->type is now implemented as a vtable: change the
4611         switches of stmt->type into ifs.
4612         (polylib/polylibgmp.h): Don't include.
4613         (initialize_dependence_polyhedron,
4614         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4615         statement_precedes_p, test_dependence, build_rdg_all_levels,
4616         dump_dependence_graph): Removed until this code is cleaned up
4617         or ported to Cloog.
4618         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4619         (POLYLIBINC): Renamed PPLINC.
4620
4621 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4622             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4623             Jan Sjodin  <jan.sjodin@amd.com>
4624
4625         Finish the merge and tuplification of graphite.
4626
4627 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4628             Jan Sjodin  <jan.sjodin@amd.com>
4629
4630         Partial merge from mainline (138072:138275).
4631         * graphite.c still has to be tuplified.
4632
4633 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4634
4635         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4636         (create_num_from_index): New.
4637         (get_num_from_index): Also pass in the graphite BB.
4638         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4639         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4640         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4641         (is_interchange_valid): Return false when failing.
4642         * graphite.h (struct num_map): New.
4643         (struct graphite_bb): New field num_map.
4644         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4645
4646 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4647
4648         * graphite.c (dump_gbb_conditions): Print also conditions like
4649         "if (a)".  Remove dublicated code and use print_generic_expr ().
4650         (stmt_simple_for_scop_p): Only allow conditions we can handle
4651         {<, <=, >, >=}.
4652
4653 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4654
4655         * graphite.h (struct scop): Removed new_ivs field.
4656         (SCOP_NEWIVS): Deleted.
4657         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4658         clast_to_gcc_expression, graphite_create_new_loop):
4659         Removed use of new_ivs.
4660
4661 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4662
4663         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4664         create_loops_mapping_num, debug_loop_mapping_1): New.
4665         (debug_loop_mapping): Call debug_loop_mapping_1.
4666         (get_loop_mapping_for_num,
4667         graphite_loops_mapping_add_child,
4668         graphite_loops_mapping_add_child_num,
4669         graphite_loops_mapping_insert_child,
4670         graphite_loops_mapping_parent,
4671         split_loop_mapped_depth_for_num,
4672         loop_mapped_depth_split_loop): New.
4673         (increment_loop_mapped_depths): Removed.
4674         (swap_loop_mapped_depth_for_num): Reimplemented.
4675         (new_scop): Call create_loops_mapping.
4676         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4677         (translate_clast): Pass the old loop father in parameter, and pass
4678         it to get_old_iv_from_ssa_name.
4679         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4680         can_generate_code, can_generate_for_scop): New.
4681         (graphite_trans_bb_block): Returns false when it fails to transform.
4682         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4683
4684 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4685
4686         Reverted all the changes related to the streamization and
4687         loop fusion.
4688         These changes are now tracked in the streamization branch.
4689
4690 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4691             Jan Sjodin  <jan.sjodin@amd.com>
4692
4693         * graphite.c (gbb_compare): Correctly constify.
4694         (gbb_can_be_ignored): Indent.
4695         (graphite_trans_scop_swap_1and2): Add legality check.
4696         Remove dead FIXMEs.
4697
4698 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4699
4700         Remove fallouts from "Reverted the Condate changes".
4701         * tree.h: Remove unused decl.
4702         * testsuite/gcc.dg/tree-checker: Same.
4703         * timevar.def: Remove counter.
4704
4705 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4706
4707         * Merge from mainline (135673:138072).
4708
4709         Reverted the MIRO changes (from 2008-04-05) that are now
4710         tracked in the miro branch.
4711         * tree-bounds.c: Removed.
4712         * tree-bounds.h: Removed.
4713
4714         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4715         are now tracked in the condate branch.
4716         * tree-check.c: Removed.
4717         * tree-match.c: Removed.
4718         * condate.y: Removed.
4719
4720 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4721
4722         * common.opt: New user flag -floop-block, -floop-strip-mine
4723         and -floop-interchange.
4724         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4725         graphite loop optimization flags is turned on.
4726         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4727         flag_loop_strip_mine and flag_loop_interchange checks before
4728         optimizations.
4729         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4730         -floop-strip-mine and -floop-interchange.
4731         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4732         -fgraphite.
4733         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4734         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4735         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4736
4737 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4738             Sebastian Pop  <sebastian.pop@amd.com>
4739
4740         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4741         (create_empty_loop_on_edge): More fixes.
4742         * tree-phinodes.c (resize_phi_node): Extern.
4743         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4744         * cfghooks.c (update_dominator_information): New split from
4745         split_edge.
4746         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4747         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4748         successor of the function entry block.
4749
4750         * graphite.c: Include pointer-set.h.
4751         (debug_loop_mapping, increment_loop_mapped_depths,
4752         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4753         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4754         swap_loop_mapped_depth_for_num, get_num_from_index,
4755         swap_loop_mapped_depth, loop_iv_stack_debug,
4756         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4757         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4758         get_old_iv_from_ssa_name): New.
4759         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4760         (free_scop): Free SCOP_LOOPS_MAPPING.
4761         (scop_record_loop): Record old ivs.
4762         (create_var_name): Removed.
4763         (initialize_cloog_names): Allocate double space in case strip mine
4764         applies to all loops once.
4765         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4766         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4767         translation.
4768         (graphite_create_new_loop): Pass in ivstack.
4769         (remove_all_edges): Pass in the construction_edge.
4770         (graphite_remove_iv): Removed.
4771         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4772         remove_cond_exprs): Rewritten.
4773         (move_phi_nodes): New.
4774         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4775         (translate_clast): Pass in ivstack.  Rewrite some cases.
4776         (set_cloog_options, debug_clast_stmt): New.
4777         (find_transform): Use set_cloog_options.
4778         (outermost_loop_layer): Removed.
4779         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4780         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4781         mark_old_loops, remove_dead_loops): New.
4782         (gloog): Rewritten.
4783         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4784         (const_column_index, get_first_matching_sign_row_index,
4785         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4786         get_upper_bound): New.
4787         (graphite_trans_bb_strip_mine): Also update the iv map.
4788
4789         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4790         (struct name_tree): Add a loop field.
4791         (struct scop): Add a graphite_loops_mapping field.
4792         (SCOP_LOOPS_MAPPING): New.
4793         (debug_clast_stmt): Declare.
4794         * lambda.h (find_induction_var_from_exit_cond): Declare.
4795         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4796         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4797         (create_empty_loop_on_edge): Updated.
4798         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4799         rename_variables_in_bb): Declare.
4800         * tree-cfg.c (remove_bb): Extern.
4801
4802         * testsuite/gcc.dg/graphite/block-0.c: New.
4803
4804 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4805             Sebastian Pop  <sebastian.pop@amd.com>
4806
4807         * graphite.c (strip_mine_profitable_p): New.
4808         (graphite_trans_bb_block): Disable strip mining if not profitable.
4809
4810         * testsuite/gcc.dg/graphite/scop-18.c: New.
4811         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4812         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4813
4814 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4815             Jan Sjodin  <jan.sjodin@amd.com>
4816             Sebastian Pop  <sebastian.pop@amd.com>
4817
4818         * graphite.c (is_interchange_valid): New.
4819         (graphite_trans_bb_block): Check loop nest of basic block for legality
4820         of interchange.
4821
4822         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4823         outer_most_loop, gbb_outer_most_loop_index): New.
4824
4825         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4826         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4827         * testsuite/gcc.dg/graphite/scop-16.c: New.
4828         * testsuite/gcc.dg/graphite/scop-17.c: New.
4829
4830 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4831
4832         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4833         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4834
4835 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4836
4837         * graphite.c (new_scop): Initialize SCOP_EXIT.
4838         (scopdet_info): Add.
4839         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4840         (build_scops_1): Cleanup, bugfixes.
4841         (build_scops): Cleanup.
4842
4843         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4844         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4845
4846 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4847
4848         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4849
4850         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4851         DEFAULT_GRAPHITE_FLAGS.
4852
4853         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4854
4855 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4856
4857         * graphite.c (scan_tree_for_params): Do not assert any more if
4858         MULT_EXPR parameter is negative.
4859
4860         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4861
4862         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4863
4864         * testsuite/gcc.dg/graphite/scop-15.c: New.
4865
4866 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4867
4868         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4869
4870 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4871
4872         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4873         graphite_swap_loops.
4874         (graphite_trans_bb_move_loop): New.
4875         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4876         (graphite_trans_bb_block): New.
4877         (graphite_trans_loop_block): New.
4878         (graphite_trans_scop_swap_1and2): Rename from
4879         graphite_trans_swap_1and2.
4880         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4881         (graphite_trans_scop_block): New.
4882         (graphite_apply_transformations): Rename from
4883         graphite_transformations.
4884
4885         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4886
4887 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4888
4889         * graphite.c (gbb_compare): New.
4890         (graphite_sort_gbbs): New.
4891         (gbb_can_be_ignored): New.
4892         (scop_remove_ignoreable_gbbs): New.
4893         (graphite_transformations): Cleanup and add
4894         scop_remove_ignoreable_gbbs.
4895         * lambda.h (lambda_vector_compare): New.
4896
4897 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4898
4899         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4900         (graphite_swap_loops): int -> unsigned
4901         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4902         (graphite_transformations): New.
4903         (graphite_transform_loops): Move to graphite_transformations.
4904         * graphite.h (gbb_nb_loops): Return unsigned.
4905
4906 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4907
4908         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4909         the domain matrix.  This makes scop-0.c work again.
4910
4911 2008-06-20  Richard Guenther  <rguenther@suse.de>
4912
4913         * graphite.h: Adjust copyright to GPLv3.
4914         * graphite.c: Likewise.
4915         (stmt_simple_memref_for_scop_p): Split out from ...
4916         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4917         and simplify.
4918         (get_bb_type): Optimize.
4919         (is_pred): Remove.
4920         (is_bb_addable): Fix memleak, replace is_pred call with
4921         single_pred.
4922         (build_scops): Use current_loops.
4923         (param_index): Fix memleak.
4924
4925 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4926
4927         * graphite.c: Fix formatting.
4928
4929 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4930
4931         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4932         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4933         (create_var_name, save_var_name): Newly defined functions.
4934         (initialize_cloog_names): Part of the code factored out to
4935         save_var_name.
4936         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4937         in clast_reduction statement.
4938         (graphite_create_new_loop): Now takes a new parameter
4939         for outer_loop.
4940         (translate_clast): Now also takes the context_loop and bb_exit
4941         parameters. Rewritten the code so that it creates a gimple code
4942         inside the given context.
4943         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4944         remove_cond_expr, disconnect_cond_expr,
4945         disconnect_virtual_phi_nodes): Newly defined functions.
4946         * graphite.h (struct scop): added old_ivs vector.
4947         SCOP_OLDIVS: New macro.
4948
4949 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * cfgloopmanip.c: Add missing function comments, fix formatting.
4952
4953 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4954
4955         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4956         (create_empty_loop_on_edge): Defined.
4957         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4958         instead of void.
4959         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4960         (update_dominators_in_loop): Declared as extern
4961         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4962
4963 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4964
4965         * graphite.c (print_graphite_bb): Allow changing number of loops
4966         in SCoP domain.
4967         (initialize_cloog_names): Allow changing number of loops.
4968         (build_cloog_prog): Simplify.
4969         (find_transform): Enable cloog option --strides.
4970         (graphite_swap_loops): New.
4971         (graphite_strip_mine_loop): New.
4972         (graphite_trans_swap_1and2): New.
4973         (graphite_trans_strip): New.
4974         (graphite_transform_loops): Add graphite_trans_strip.
4975         * graphite.h (scop_max_loop_depth): New.
4976
4977 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4978
4979         * graphite.c (build_scop_iteration_domain): Remove forgotten
4980         line. (Fixes compile)
4981
4982 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4983
4984         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4985         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4986         (build_bb_loops): New.
4987         (graphite_transform_loops): Add build_bb_loops.
4988         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4989         numbers.
4990         * graphite.h (graphite_bb): Add loops.
4991         (gbb_nb_loops): New.
4992         (gbb_loop_at_index): New.
4993         (gbb_loop_index): New.
4994         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4995         using nb_params_in_scop.
4996
4997 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4998
4999         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5000         (build_scop_canonical_schedules): Build minimized schedule.
5001         (schedule_to_scattering): Adapt to minimized schedule.
5002         * graphite.h (graphite_bb): Add/Update descriptions.
5003
5004 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5005             Tobias Grosser  <grosser@fim.uni-passau.de>
5006
5007         * graphite.c (print_graphite_bb): Add condition printing.
5008         (dump_value): New.
5009         (dump_gbb_conditions): New.
5010         (build_scop_conditions_1): New.
5011         (build_scop_conditions): New.
5012         * graphite.h (graphite_bb): Add conditions.
5013
5014 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5015
5016         * graphite.c (print_graphite_bb):
5017         (free_graphite_bb): New.
5018         (free_scop): Free bbs.
5019         (get_bb_type): Free doms.
5020         (build_scop_context): Free context matrix.
5021         (build_loop_iteration_domains): Remove unused code.
5022         (build_cloog_prog): Free scattering function and blocklist.
5023         (find_transform): Free options.
5024
5025 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5026
5027         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5028         Remove unnecessery cloog data structures. Make a copy of the domain
5029         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5030         unnecessary cloog data structures. Fix memory leaks. Remove insert
5031         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5032         used.
5033         (build_scop_iteration_domain): Remove unnecessary cloog
5034         data structures.  Fix memory leaks.
5035         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5036         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5037
5038 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5039
5040         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5041
5042 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5043
5044         * graphite.c (end_scop): Style fix.
5045         (schedule_to_scattering): Style and comment fix.
5046
5047 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5048         * graphite.c (print_graphite_bb): Fix definiton of
5049         schedule_to_scattering.
5050         (initialize_cloog_names): Change nb_scattdims to max loop
5051         depth in SCoP.
5052         (schedule_to_scattering): Take parameter for number of scattering
5053         dimensions.
5054         (build_cloog_prog): Only build as much scattering dimensions as
5055         necessary.
5056
5057 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5058
5059         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5060         in polyhedron/aermod.f90.
5061
5062 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5063             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5064             Harsha Jagasia  <harsha.jagasia@amd.com>
5065
5066         * graphite.c (is_bb_addable): Fix segfault.
5067
5068 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5069
5070         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5071         with multiple exits and conditional handling in edge cases.
5072         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5073
5074         * testsuite/gcc.dg/graphite/scop-14.c: New.
5075
5076 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5077             Adrien Eliche  <aeliche@isty.uvsq.fr>
5078
5079         * graphite.c (is_bb_addable): Add more comments and enhance
5080         readablity of the source code. Fix memory leak.
5081         (is_loop_exit): Fix memory leak.
5082
5083 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5084
5085         * graphite.c (first_loop_in_scop): Deleted.
5086         (setup_cloog_loop): Only walk the loop chain for inner loops.
5087         (build_scop_iteration_domain): Execute setup_cloog_loop for
5088         all loops in the first layer.
5089
5090 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5091
5092         * graphite.c (scan_tree_for_params): Change the way params are
5093         added to be indepenent of the number of loops.
5094         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5095         handling.
5096         (build_cloog_prog): Revert to short matrix format.
5097
5098 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5099             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5100
5101         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5102         warning.
5103
5104 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5105
5106         * graphite.c (nb_data_refs_in_scop): New.
5107         (graphite_transform_loops): Print more stats: number of
5108         loops, basic blocks and data references per scop.
5109
5110 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5111             Jan Sjodin  <jan.sjodin@amd.com>
5112
5113         * graphite.c (loop_affine_expr, idx_record_params,
5114         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5115         instead of instantiate_parameters.
5116
5117 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5118
5119         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5120         add support for parameters, add STATIC_SCHEDULE at the right places,
5121         cleanup.
5122
5123 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5124
5125         * graphite.c (build_scop_loop_nests): Only add the loops, that
5126         are contained completely in the SCoP.
5127         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5128         and the domains are fixed.
5129         (build_scop_canonical_schedules): Add support for bbs not contained
5130         in any SCoP.
5131
5132 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5133
5134         * graphite.h (scop_contains_loop): Update comments to match
5135         the actual behavior.
5136         (scop_contains_loop): New.
5137         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5138
5139 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5140
5141         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5142         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5143         as GBB_COND_HEADER.
5144
5145 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5146             Tobias Grosser  <grosser@fim.uni-passau.de>
5147
5148         * graphite.c (graphite_transform_loops): Early return when
5149         there are no loops in the function.
5150
5151 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5152             Jan Sjodin  <jan.sjodin@amd.com>
5153
5154         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5155         offset of the last loop.
5156         (setup_cloog_loop): Copy the entire outer constraint matrix.
5157
5158 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5159             Jan Sjodin  <jan.sjodin@amd.com>
5160
5161         * graphite.c (stmt_in_scop_p, function_parameter_p,
5162         invariant_in_scop_p): Removed.
5163         (scan_tree_for_params): Can be used with no constraint
5164         matrix for gathering parameters.
5165         (idx_record_params): Don't use idx_record_param, instead use
5166         scan_tree_for_params.
5167         (find_scop_parameters): Same.
5168         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5169         Fix the size of loop domains.
5170         (schedule_to_scattering): Exit when the outer loop is not in scop.
5171         (find_transform): Enable build_cloog_prog.
5172
5173 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5174             Jan Sjodin  <jan.sjodin@amd.com>
5175
5176         * graphite.c (schedule_to_scattering): Make scattering domains
5177         uniformly of the same size, as required by CLooG 0.14.0 and before.
5178
5179 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5180             Jan Sjodin  <jan.sjodin@amd.com>
5181
5182         * graphite.c (schedule_to_scattering): Rewrite, correct the
5183         translation of the scheduling function to scattering.
5184         (build_cloog_prog): Call schedule_to_scattering only once.
5185         * graphite.h (scop_loop_index): Do not fail for loops not
5186         in the scop: return -1.
5187
5188 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5189
5190         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5191         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5192         (setup_cloog_loop): Export GBB_DOMAIN.
5193         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5194         able to rebuild the original control flow.
5195         * graphite.h (graphite_bb): Add domain field and access macro.
5196         (GBB_DOMAIN): New.
5197
5198 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5199
5200         * graphite.c (debug_gbb): New.
5201         (print_scop, build_graphite_bb): Use SCOP_BBS.
5202         (build_scop_bbs): Reimplemented.
5203         (dfs_bb_in_scop_p): Removed.
5204         (build_scop_loop_nests): Reorder loops inserted in
5205         SCOP_LOOP_NEST: outer loops should come first.
5206         (build_scop_canonical_schedules): Reinitialize at zero
5207         the components of the SCOP_STATIC_SCHEDULE for the loops
5208         that have already been parsed.
5209
5210         * graphite.h (debug_gbb): Declared.
5211
5212 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5213             Jan Sjodin  <jan.sjodin@amd.com>
5214
5215         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5216         (graphite_loop_to_gcc_loop): Removed.
5217         (remove_all_edges): New.
5218         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5219         (gloog): Remove useless code.
5220
5221 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5222
5223         * graphite.c (get_bb_type): Reworked. We distinguish between
5224         loops with one or multiple exits.
5225         (is_loop_exit): New.
5226         (is_pred): New.
5227         (is_bb_addable): Rework condition handling, now support for case
5228         case statements and loops with multiple exits.
5229
5230         * testsuite/gcc.dg/graphite/scop-11.c: New.
5231         * testsuite/gcc.dg/graphite/scop-12.c: New.
5232         * testsuite/gcc.dg/graphite/scop-13.c: New.
5233
5234 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5235
5236         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5237         we have too many colors.
5238
5239 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5240
5241         * doc/invoke.texi (-ftree-loop-fusion): Document.
5242         * tree-pass.h (pass_loop_fusion): Declared.
5243         * tree-loop-fusion.c: New.
5244         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5245         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5246         * tree-data-ref.h (find_data_references_in_loop): Declared.
5247         * common.opt (ftree-loop-fusion): Declared.
5248         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5249
5250 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5251
5252         * graphite.c (build_access_matrix): Fix typo from the merge.
5253
5254 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5255
5256         * Merge from mainline (130800:135673).
5257
5258 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5259
5260         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5261         Update dominators after splitting.
5262
5263 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5264
5265         * graphite.c (is_bb_addable): Return the harmful statement.
5266         Factor up some code.
5267         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5268         (build_scops_1): Call end_scop.
5269
5270 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5271
5272         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5273         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5274         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5275         build_scops_1): Removed.
5276         (build_scops_2): Renamed build_scops_1.
5277
5278 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5279
5280         * graphite.c: Fix formatting.
5281
5282 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5283
5284         * graphite.c (get_bb_type): New.
5285         (move_scops): New.
5286         (build_scops_2): New.
5287         (is_bb_addable): New.
5288         (build_scops): Switch the scop detection.
5289         (build_scop_bbs): Add entry bb to scop.
5290         * graphite.h (struct scop): Update comment.
5291
5292 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5293
5294         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5295         more colors.
5296
5297 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5298
5299         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5300         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5301         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5302         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5303         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5304
5305 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5306
5307         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5308         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5309         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5310         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5311         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5312
5313 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5314
5315         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5316         Check affine expressions depending on the outermost loop
5317         instead of a scop.
5318         (stmt_simple_for_scop_p): Same.
5319         (harmfule_stmt_in_scop): Same.
5320
5321 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5322
5323         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5324         mark entry and exit, that are not part of the SCoP and update HTML
5325         formatting.
5326
5327 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5328
5329         * graphite.c (basic_block_simple_for_scop_p): Renamed
5330         harmful_stmt_in_bb.
5331         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5332         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5333         (all_preds_visited_p, all_succs_visited_p,
5334         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5335         scop_end_loop): New.
5336         (build_scops): Do not use dfs_enumerate_from.
5337
5338         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5339
5340 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5341
5342         * graphite.c: Add comments to functions that are missing a
5343         description.
5344         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5345
5346 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5347
5348         * graphite.c (nb_params_in_scop): Moved...
5349         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5350         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5351         (clast_to_gcc_expression): Reduce column size to less than 80.
5352         (graphite_create_iv): Return the new name of the IV.
5353         (find_transform): Set options->esp and options->cpp.
5354         (gloog): Comment out the invalidation of the old loop code.
5355         (initialize_dependence_polyhedron): Replace scop_nb_params with
5356         nb_params_in_scop.
5357
5358         * graphite.h (nb_params_in_scop): ... here.
5359         (scop_nb_params): Removed.
5360         (loop_domain_dim): Return something even when the loop was not
5361         found in the hash table: avoid ICEing on all the graphite.exp
5362         testcases.
5363
5364 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5365
5366         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5367
5368         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5369         according to nesting level.
5370         (find_scop_parameters): Call instantiate_parameters.
5371         (scan_tree_for_params): Extend it to handle general affine bounds.
5372         Inner loop bound can depend on outer loop induction variable.
5373         (setup_cloog_loop): tmp variable is allocated on stack. Call
5374         instantiate_parameters with respect to outermost_loop_in_scop.
5375         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5376         graphite.h.
5377         (create_empty_loop): Function loopify should be given edge
5378         probability, instead of edge frequency. Dominance relation from
5379         switch_bb to loop_header.
5380         (clast_to_gcc_expression): Added handling of clast_reduction node.
5381         (gloog): New functionality for removing old loop.
5382         (test_dependence): Factored out from build_rdg_all_levels.
5383         (build_rdg_all_levels): Dependence testing factored out to
5384         test_dependence function.
5385
5386         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5387         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5388         from graphite.c
5389
5390 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5391
5392         * graphite.c (free_scop, param_index, initialize_cloog_names,
5393         nb_params_in_scop): Use name_tree map instead of just a tree
5394         for keeping track of the variable name associated to that tree.
5395         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5396         clast_to_gcc_expression, graphite_create_iv,
5397         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5398         graphite_stmt_to_gcc_stmt): New.
5399         (gloog): Call these.
5400         * graphite.h (struct name_tree): New.
5401         (struct scop): Use name_tree instead of tree for params.
5402         Store a vector of name_tree for new_ivs.
5403         (SCOP_NEWIVS): New.
5404         (scop_nb_params): Use name_tree instead of tree.
5405
5406 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5407             Sebastian Pop  <sebastian.pop@amd.com>
5408
5409         * tree-bounds.c: New.
5410         * tree-bounds.h: New.
5411         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5412         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5413         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5414         flag_mudflap.
5415         * gcc.c: Same.
5416         * toplev.c: Same.
5417         * c-cppbuiltin.c: Same.
5418         * c-pragma.c: Same.
5419         * common.opt: Same.
5420         * varasm.c: Same.
5421         * tree-outof-ssa.c: Same.
5422         * c-common.c: Same.
5423         * Makefile.in: Same.
5424
5425 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5426             Sebastian Pop  <sebastian.pop@amd.com>
5427
5428         * tree-loop-distribution.c (remaining_stmts,
5429         upstream_mem_writes): Removed static variables.
5430         (copy_loop_before, create_bb_after_loop,
5431         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5432         rdg_build_components, rdg_build_partitions,
5433         dump_rdg_partitions): Extern.
5434         (generate_loops_for_partition, generate_code_for_partition): Do not
5435         return a bool.
5436         (already_processed_vertex_p, predecessor_has_mem_write,
5437         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5438         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5439         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5440         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5441         Pass remaining_stmts and upstream_mem_writes as parameters.
5442         (rdg_component): Moved...
5443         (build_rdg_partition_for_component): Do not aggregate components when
5444         flag_streamize_loops is set.
5445         (gen_sequential_loops): New.
5446         (ldist_gen): Call gen_sequential_loops.
5447
5448         * tree-pass.h (pass_loop_streamization): Declared.
5449
5450         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5451         basic blocks when loops structures exist.
5452
5453         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5454
5455         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5456
5457         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5458         eliminate_local_variables_stmt, eliminate_local_variables,
5459         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5460         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5461         of code delimited by two edges in the CFG.
5462         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5463         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5464         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5465         the case of parallelisation of reductions.
5466         (create_loop_fn): Extern.
5467         (create_omp_parallel_region): New.
5468
5469         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5470         dump_data_reference for printing dra and drb.
5471         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5472         RDGE_RELATION.
5473         (build_rdg): Don't call free_dependence_relations for the moment, as
5474         we attach dependence relations on each edge of the RDG.
5475         To be fixed later.
5476
5477         * tree-data-ref.h (rdg_component): ...here.
5478         (struct rdg_edge): New field ddr_p relation.
5479         (RDGE_RELATION): New.
5480         (create_bb_after_loop, copy_loop_before,
5481         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5482         rdg_build_partitions, dump_rdg_partitions,
5483         free_rdg_components): Declared.
5484
5485         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5486         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5487
5488         * tree-loop-streamization.c: New.
5489
5490         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5491         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5492
5493         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5494
5495         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5496
5497         * passes.c: Schedule pass_loop_streamization.
5498
5499 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5500
5501         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5502         update comment.
5503
5504 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5505
5506         * graphite.c (dot_all_scops): Update formatting.
5507         Bbs can now be part of more than one SCoP.
5508
5509 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5510
5511         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5512         malloc problems.
5513         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5514         * graphite.h (loop_to_cloog_loop): New.
5515
5516 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5517
5518         * graphite.c (loop_domain_dim, ref_nb_loops,
5519         loop_iteration_vector_dim): New.
5520         (build_access_matrix_with_af, build_access_matrix,
5521         initialize_dependence_polyhedron): Fixed for new matrix layout.
5522         No longer assume that all iteration domains are of the same
5523         dimensionality.
5524
5525 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5526
5527         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5528         defined in a loop at depth 0 is invariant.
5529         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5530         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5531         be called at loop depth 0.
5532
5533         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5534         a parameter.
5535         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5536         (down_open_scop): Removed.
5537         (loop_in_scop_p): Redefined.
5538         (scop_affine_expr): New argument: scop.
5539         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5540         a harmful statement ending a scop.
5541         (basic_block_simple_for_scop_p): New argument: scop.
5542         (get_loop_start): Removed.
5543         (new_scop): Initialize SCOP_LOOPS.
5544         (free_scop): Free SCOP_LOOPS.
5545         (succs_at_same_depth, preds_at_same_depth): New.
5546         (end_scop): Test the validity of a scop.
5547         (add_dominators_to_open_scops): New.
5548         (test_for_scop_bound): Call add_dominators_to_open_scops.
5549         Add cases for opening and closing multiple scops.
5550         (build_scops, build_scop_bbs): Iterate over basic blocks in
5551         depth first order.
5552         (build_graphite_bb): Pass scop directly.
5553         (dfs_bb_in_scop_p): New.
5554         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5555         several times.
5556         (nb_loops_around_gb): Use loop_in_scop_p.
5557         (schedule_to_scattering): Disabled for the moment the code computing
5558         the "textual order for outer loop".
5559
5560         * graphite.h (struct scop): New field loops.
5561         (SCOP_LOOPS): New.
5562         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5563
5564         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5565
5566 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5567             Sebastian Pop  <sebastian.pop@amd.com>
5568
5569         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5570         * common.opt (fstreamize-loops): New.
5571         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5572         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5573         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5574         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5575
5576 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5577
5578         * tree-data-ref.c (build_empty_rdg): New.
5579         (build_rdg): Use it.
5580         * tree-data-ref.h (build_empty_rdg): Declared.
5581         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5582         (find_vertex_for_stmt): Removed.
5583         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5584
5585 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5586
5587         * tree-loop-distribution.c (generate_builtin): After cancelling the
5588         loop tree, also delete basic blocks.
5589         (rdg_flag_uses): Stop recursion when a vertex has already been
5590         processed.
5591
5592 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5593
5594         * graphite.c (build_scop_alpha): Removed.
5595         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5596         and dump_dependence_graph to avoid compiler warnings.
5597
5598 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5599
5600         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5601         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5602         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5603         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5604         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5605         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5606         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5607         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5608         dump_dependence_graph): New.
5609         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5610         (GBB_ALPHA): New.
5611         (struct scop): New field loop2cloog_loop.
5612         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5613         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5614
5615 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5616
5617         * graphite.c (build_graphite_bb): Fix initialization
5618         of the graphite basic block.
5619
5620 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5621
5622         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5623         loop domain matrix.  Pass in the number of loops contained in the
5624         constraint matrix.
5625         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5626         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5627         loops that are not surrounding the current loop are not represented
5628         in the domain constraint matrix.
5629         (build_scop_iteration_domain): Initial domain constraint matrix
5630         contains only the eq/ineq, cst, and scop parameters columns.
5631
5632 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5633
5634         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5635         (print_graphite_bb): Print scattering.
5636
5637 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5638
5639         * graphite.c (initialize_cloog_names): Initialize names of
5640         scattering variables.
5641
5642 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5643
5644         * graphite.c (dot_all_scops_1): Disable debug output while
5645         printing graph.
5646
5647 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5648
5649         * graphite.c (find_transform): Change cloog output language to C.
5650
5651 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5652
5653         * tree-loop-distribution.c (generate_memset_zero,
5654         generate_builtin, generate_code_for_partition,
5655         rdg_flag_all_uses): New.
5656         (rdg_flag_uses): Gather in the same partition the statements defining
5657         the VUSES of the current statement.
5658         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5659         Gather in the same partition not only the stores to the same memory
5660         access, but also the reads.
5661         (ldist_generate_loops): Renamed ldist_gen.
5662
5663 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5664             Tobias Grosser  <grosser@fmi.uni-passau.de>
5665
5666         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5667         next pointer, don't use the inner pointer.
5668
5669 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5670
5671         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5672         (find_transform): Call dot_all_1.
5673         * graphite.h (dot_all_scops): Declared.
5674
5675 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5676
5677         * tree-loop-distribution.c: Fix apsi.f ICE.
5678         (create_bb_after_loop): New.
5679         (generate_loops_for_partition): Use it.
5680         * testsuite/gfortran.dg/ldist-1.f90: New.
5681
5682         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5683         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5684
5685 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5686
5687         * graphite.c (find_transform): Dump cloog program sent to cloog.
5688
5689 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5690
5691         * graphite.c (initialize_cloog_names): Initialize cloog
5692         iterator names.
5693
5694 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5695
5696         * graphite.c (build_scop_context): Fix typo, for the matrix
5697         format: insert '0 >= 0' instead of '-1 >= 0'.
5698
5699 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5700
5701         * Fix merge problems.
5702
5703 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5704
5705         * graphite.c (setup_cloog_loop): Fix typo.
5706
5707 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5708
5709         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5710         * tree-loop-distribution.c: Reimplemented.
5711         * tree-pass.h (pass_loop_distribution): New.
5712         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5713         print_loops.
5714         * graphds.h (struct graph): New field indexes.
5715         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5716
5717         * tree-vect-analyze.c: Remove declaration of static functions when not
5718         needed.
5719         * tree-vectorizer.c: Same.
5720         (rename_variables_in_loop): Now extern.
5721         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5722         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5723         calling redirect_edge_and_branch_force.
5724
5725         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5726
5727         * tree-data-ref.c: Don't include tree-chrec.h.
5728         (debug_data_dependence_relations): New.
5729         (dump_data_dependence_relation): Call dump_data_reference on data refs
5730         in the relation.
5731         (same_access_functions): Moved...
5732         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5733         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5734         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5735         struct rdg_vertex_info, ): New.
5736         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5737         at DDR_REVERSED_P.
5738         (create_rdg_vertices): Initialize the htab of graph->indexes.
5739         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5740         (stmts_from_loop): Don't save LABEL_EXPR.
5741         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5742         hash_stmt_vertex_del): New.
5743         (build_rdg): Initialize rdg->indexes.
5744         (free_rdg, stores_from_loop, ref_base_address,
5745         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5746         have_similar_memory_accesses_1, ref_base_address_1,
5747         remove_similar_memory_refs): New.
5748
5749         * tree-data-ref.h: Include tree-chrec.h.
5750         (debug_data_dependence_relations): Declared.
5751         (same_access_functions): ...here.  Now static inline.
5752         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5753         ddr_dependence_level): New.
5754         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5755         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5756         RDG_MEM_READS_STMT): New.
5757         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5758         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5759         rdg_vertex_for_stmt): Declared.
5760         (struct rdg_edge): New field level.
5761         (RDGE_LEVEL, free_rdg): New.
5762         (stores_from_loop, remove_similar_memory_refs,
5763         rdg_defs_used_in_other_loops_p,
5764         have_similar_memory_accesses): Declared.
5765         (rdg_has_similar_memory_accesses): New.
5766
5767         * lambda.h (dependence_level): New.
5768         * common.opt (ftree-loop-distribution): New.
5769         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5770         (print_loop_ir): Renamed print_loops.
5771         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5772         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5773         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5774         (tree-loop-distribution.o): Added.
5775         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5776         (mark_virtual_ops_in_bb): New.
5777         (print_loops_bb, debug_loop_num, debug_loop): New.
5778         * passes.c: Scheduled pass_loop_distribution.
5779
5780 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5781
5782         * graphite.c (scan_tree_for_params): Correct the number of columns
5783         for polylib format.
5784         (nb_flat_iterator): New.
5785         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5786         (build_scop_iteration_domain): Correct the number of columns for
5787         polylib format.
5788
5789 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5790
5791         * Merge from mainline (129697:130800).
5792
5793 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5794
5795         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5796         dominated by SCoP's exit.
5797         (graphite_transform_loops): Compute post dominators.
5798
5799 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5800
5801         * Merge from mainline (127169:129697).
5802
5803 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5804
5805         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5806         parameter for the basic block that contains the expression.  Use
5807         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5808         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5809         the expression.
5810         * graphite.h (gbb_loop): New.
5811         (GBB_LOOP): Removed.
5812
5813 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5814
5815         * Makefile.in: Fix merge problem.
5816
5817 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5818
5819         * Merge from mainline (125309:127169).
5820         * tree-loop-distribution.c: Disabled.
5821
5822 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5823
5824         * Merge from mainline (r123693:125309).
5825
5826 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5827
5828         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5829         correct_modify_p
5830         (correct_modify_p, check_statements, number_of_lvalue_uses,
5831         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5832         instead of MODIFY_EXPR.
5833         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5834         and push new edges.
5835
5836 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5837
5838         * tree-loop-distribution.c (struct rdg): Replace arrays by
5839         VECs for edges and vertices.
5840         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5841         (RDGV_NB_PARTITIONS): New.
5842         (PRDG_NBV, PRDG_NBE): Removed.
5843         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5844         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5845         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5846
5847 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5848             Sebastian Pop  <sebpop@gmail.com>
5849
5850         * doc/invoke.texi (-ftree-loop-distribution): Document.
5851         * tree-loop-distribution.c: New file.
5852         * tree-pass.h (pass_loop_distribution): Declared.
5853         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5854         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5855         and set reversed_p.
5856         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5857         (DDR_REVERSED_P): New.
5858         * common.opt (-ftree-loop-distribution): New.
5859         * tree-flow.h (distribute_loops): Declared.
5860         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5861         * passes.c (init_optimization_passes): Schedule loop distribution.
5862
5863 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5864
5865         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5866         (print_scop): Don't print when scop is NULL.
5867         (build_scop_context, find_transform): Don't output to stderr.
5868
5869 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5870
5871         * tree-data-ref.c: Don't include graphite.h.
5872         Comment out the code for printing data reference's scop.
5873         (build_access_matrix_with_af): Moved...
5874         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5875         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5876         (print_graphite_bb): Print basic block's schedule.
5877         (print_scop): Don't print the schedule, call cloog's pretty printer.
5878         (bb_in_scop_p): A basic block is in a scop only if it is both
5879         dominated and postdominated by the scop's entry and exit basic blocks.
5880         (function_parameter_p): New.
5881         (invariant_in_scop_p): Use function_parameter_p.
5882         (new_scop, save_scop): New.
5883         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5884         save_scop.
5885         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5886         (loop_in_scop_p): New.
5887         (scop_record_loop): Use loop_in_scop_p.
5888         (build_scop_domain): Renamed build_scop_iteration_domain.
5889         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5890         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5891         setup_cloog_loop, dot_scop_1, dot_scop): New.
5892         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5893         (struct scop): Add a pointer to cloog's representation of a program.
5894
5895 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5896
5897         * doc/invoke.texi (-ftree-check-verbose): Renamed
5898         -ftree-checks-verbose.
5899         * common.opt (flag_tree_check_verbose): Renamed
5900         flag_tree_checks_verbose.
5901         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5902
5903 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5904
5905         * configure: Regenerated.
5906         * config.in: Regenerated.
5907         * tree-ssa-loop.c (graphite_transforms): Execute
5908         graphite_transform_loops only when HAVE_cloog.
5909         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5910         * graphite.c: Include polylibgmp.h and cloog.h.
5911         (graphite_transform_loops): Removed loops parameter.
5912         * tree-flow.h (graphite_transform_loops): Update declaration.
5913         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5914         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5915         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5916         (OBJS-common): Remove dependence on graphite.o.
5917         (BACKEND): Depend on @GRAPHITE@.
5918
5919 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5920
5921         * doc/invoke.texi (-ftree-check-verbose): Documented.
5922         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5923         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5924         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5925         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5926         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5927         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5928         * common.opt (ftree-checks-verbose): New.
5929         * tree-check.c (tree_check_warning): Move extra stderr output
5930         under control of flag_tree_check_verbose.
5931
5932 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5933
5934         * tree-match.c: Fix comments formatting.
5935         * tree-match.h: Fix comments formatting.
5936         * tree-check.c: Fix comments formatting.
5937         (tree_check_init): Restructure.
5938
5939 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5940
5941         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5942
5943 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5944
5945         * Merge from mainline (r120733:123693).
5946
5947 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5948
5949         * condate.y: New file.
5950         * tree-match.h (struct patt_info_s): New field sign.
5951         (struct condate_s): New field msg.
5952         (normalize_condate, name_condate, add_condate): New.
5953         (conds[], condate_parse): Made extern.
5954         * tree-check.c (tree_check_warning): First arg changed to cond;
5955         warning reformatted.
5956         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5957         (tree_scan): New.
5958         (tree_check): Process trivial condates.
5959         (read_delimited_string): Removed.
5960         (print_cond): Print name and msg.
5961         (conds[]): Made extern.
5962         (parse_tree_check_file_once): Rewritten to use the parser in
5963         condate.y.
5964         Processing of option --tree_check_string moved to tree_scan().
5965         * Makefile.in: Added condate.y
5966
5967 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5968
5969         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5970         Use VECs instead of varrays.
5971         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5972         * Makefile.in (pretty-print.o): Depend on vec.h.
5973         * pretty-print.c: Include tree.h and vec.h.
5974         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5975         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5976         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5977         pp_free_list): Use VECs instead of varrays.
5978         * pretty-print.h: Do not include varray.h.
5979         (struct tree_chunk_s): Declaration moved before its use.
5980         (output_buffer): Rename varray field to chunks.
5981         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5982         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5983         save_global_holes): Use VECs instead of varrays.
5984         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5985         * tree-check.c (scan_cfg_stmts, push_node,
5986         print_matching_stmt): Removed.
5987         (tree_check_instance, push_global_holes_if_new, tree_check,
5988         execute_tree_check): Use VECs instead of varrays.
5989         (gate_tree_check): Don't execute the CFG check when basic_block_info
5990         is not available.
5991
5992 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5993
5994         * Merge from mainline (r115016:120733).
5995
5996 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5997
5998         * Merge from mainline (r117632:117661).
5999
6000 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6001
6002         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6003         * tree-pass.h (TDF_DEBUG, debug_p): New.
6004         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6005         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6006         get_loop_exit_condition, analyze_evolution_in_loop,
6007         analyze_initial_condition, analyze_scalar_evolution,
6008         instantiate_parameters, number_of_latch_executions): Use debug_p.
6009         * tree-chrec.c (chrec_apply): Use debug_p.
6010         * tree-data-ref.c: Include graphite.h.
6011         (dump_data_reference): Print also the access matrix.
6012         (analyze_array, analyze_indirect_ref, init_data_ref,
6013         analyze_offset_expr, address_analysis, object_analysis,
6014         create_data_ref, finalize_ddr_dependent,
6015         non_affine_dependence_relation, analyze_ziv_subscript,
6016         analyze_siv_subscript_cst_affine,
6017         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6018         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6019         analyze_miv_subscript, analyze_overlapping_iterations,
6020         build_classic_dist_vector, subscript_dependence_tester,
6021         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6022         (build_access_matrix_with_af): No longer static.
6023         * tree-data-ref.h (scop_p): ... declaration here.
6024         (data_reference.scop): New field.
6025         (DR_SCOP, DR_ACCESS_MATRIX): New.
6026         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6027         * graphite.c (print_graphite_bb): Call dump_data_references.
6028         (print_scop): Use scop_nb_loops and scop_dim_domain.
6029         (test_for_scop_bound): Use debug_p.
6030         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6031         scop_nb_params.
6032         (scop_loop_index): Moved...
6033         (scop_record_loop): New.
6034         (build_scop_loop_nests): Use scop_record_loop.
6035         (build_scop_domain): Use scop_dim_domain.
6036         (build_access_matrix): Implemented.
6037         (build_scop_canonical_schedules): Use scop_nb_loops.
6038         (build_graphite_bb): Initialize GBB_SCOP.
6039         * graphite.h (scop_p): Moved...
6040         (graphite_bb.scop): New field.
6041         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6042         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6043         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6044         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6045         scop_loop_index): New.
6046         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6047
6048 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6049
6050         * Merge from mainline (r117661:120450).
6051
6052 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6053
6054         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6055         at the first declaration outside the varying loop, instantiate as
6056         far as possible.
6057         * tree-chrec.c (for_each_scev_op): New.
6058         * tree-chrec.h (for_each_scev_op): Declared.
6059         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6060         * tree-data-ref.c (get_references_in_stmt,
6061         find_data_references_in_stmt): New, from trunk.
6062         (find_data_references_in_loop): Use get_references_in_stmt
6063         and find_data_references_in_loop, modified as in trunk.
6064         (build_access_matrix_with_af): New.
6065         * tree-data-ref.h (data_reference): Add a field access_matrix.
6066         (data_ref_loc): New, as in trunk.
6067         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6068         invariant_in_scop_p, param_index, scan_tree_for_params,
6069         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6070         idx_record_param, idx_record_params, build_access_matrix,
6071         build_scop_data_accesses, build_scop_canonical_schedules,
6072         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6073         build_scop_params): New.
6074         * graphite.h (graphite_bb): New.
6075         (scop): Add fields static_schedule, params, loop_nest,
6076         iteration_domain.
6077         * lambda.h: Declare vecs of lambda_matrix.
6078         * tree-flow.h (print_loop_ir_bb): Declared.
6079         * tree-cfg.c (print_loop_ir_bb): New.
6080         (print_loop): Use print_loop_ir_bb.
6081
6082 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6083
6084         * Merge from mainline (r115016:117632).
6085
6086 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6087
6088         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6089         break due to a warning.
6090
6091 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6092
6093         * graphite.c (print_scops, debug_scops): New.
6094         (graphite_transform): Renamed graphite_find_transform.
6095         * graphite.h (debug_scops): Declared.
6096
6097 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6098
6099         * tree-match.c: Reformat following the GNU style.
6100         * tree-match.h: Reformat following the GNU style.
6101         * tree-pattern.h: Removed empty file.
6102         * Makefile.in: Remove references to tree-pattern.h.
6103         * tree-check.c: Reformat following the GNU style.
6104         (execute_tree_check): Move gate condition code to...
6105         (gate_tree_check): ...here.  New function.
6106         (pass_check): Use the gate function.
6107
6108 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6109
6110         * tree-pattern.h: New. Tree pattern matching and checking using
6111         concrete syntax.
6112         * tree-check.c: New. Tree/CFG checking pass.
6113         * tree-match.c: New. Library for tree pattern matching.
6114         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6115         * toplev.c, flags.h: Add globals for tree-check pass.
6116         * Makefile.in: Integrate the files in tree-check pass.
6117         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6118         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6119         Introduce a "lazy" pretty-print mode.
6120         * tree.c, tree.h: Add tree_name.
6121
6122 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6123
6124         * doc/invoke.texi (-fgraphite): Correct typo.
6125         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6126         use of print_loop_ir.
6127         * testsuite/gcc.dg/graphite/scop-1.c: New.
6128         * testsuite/gcc.dg/graphite/scop-2.c: New.
6129         * testsuite/gcc.dg/graphite/graphite.exp: New.
6130         * graphite.c: Include domwalk.h.
6131         (print_scop): Print only the entry and exit blocks.
6132         (debug_scop): No longer static.
6133         (affine_expr): Fix formating.  Return also true when the expression is
6134         constant.
6135         (stmt_simple_for_scop_p): Fix formating.
6136         (build_scops): Use domwalk.
6137         (get_loop_start, end_scop, test_for_scop_bound): New.
6138         (graphite_transform_loops): Avoid printing on stderr.
6139         * graphite.h (debug_scop): Declared.
6140         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6141         * Makefile.in (graphite.o): Depend on domwalk.h.
6142         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6143         declarations for static functions.
6144         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6145         controlling output verbosity.
6146
6147 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6148             Plesco Alexandru  <shurikx@gmail.com>
6149
6150         * doc/invoke.texi (-fgraphite): Document.
6151         * tree-pass.h (pass_graphite_transforms): Declared.
6152         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6153         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6154         (pass_graphite_transforms): Defined.
6155         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6156         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6157         * graphite.c, graphite.h: New.
6158         * common.opt (fgraphite): Declared.
6159         * tree-flow.h (graphite_transform_loops): Declared.
6160         * Makefile.in (OBJS-common): Add graphite.o.
6161         (graphite.o): New rule.
6162         * passes.c (pass_graphite_transforms): Scheduled.
6163