gcc/ChangeLog.graphite

   1 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         Partially revert the previous patch, except the following.
   4         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
   5         as parameters the operands of the not expression.
   6
   7 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * tree-scalar-evolution.c (instantiate_scev_assign): New.
  10         Do not call analyze_scalar_evolution on assignments.
  11         (instantiate_scev_phi): Call analyze_scalar_evolution.
  12         (instantiate_scev_name): Call instantiate_scev_assign and
  13         instantiate_scev_phi.
  14         (instantiate_scev_not): Adapted to pass as parameters the operands
  15         of the not expression.
  16
  17 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
  20         to pass as parameters the operands of the binary expression.
  21
  22 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
  25         instantiate_scev_not.  Handle NEGATE_EXPR.
  26         (instantiate_scev_r): Handle NEGATE_EXPR.
  27
  28 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
  31         instantiate_scev_r.
  32         (instantiate_scev_r): Move code in instantiate_scev_2
  33         and instantiate_scev_1.
  34
  35 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         * tree-scalar-evolution.c (instantiate_scev_3): New.
  38         (instantiate_scev_1): Move code in instantiate_scev_3.
  39
  40 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         * tree-scalar-evolution.c (instantiate_scev_poly): New.
  43         (instantiate_scev_1): Move code in instantiate_scev_poly.
  44
  45 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  46
  47         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
  48         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
  49
  50 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  51
  52         * tree-scalar-evolution.c (instantiate_scev_convert): New.
  53         (instantiate_scev_1): Move code in instantiate_scev_convert.
  54
  55 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  56
  57         * tree-scalar-evolution.c (instantiate_scev_binary): New.
  58         (instantiate_scev_1): Move code in instantiate_scev_binary.
  59
  60 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         * tree-scalar-evolution.c (instantiate_scev_name): New.
  63         (instantiate_scev_1): Move code in instantiate_scev_name.
  64
  65 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  66
  67         * Merge from mainline (150992:151171).
  68
  69 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-dependences.c (graphite_legal_transform_bb): Call
  72         pbb_remove_duplicate_pdrs.
  73         * graphite-poly.c (can_collapse_pdr): Removed.
  74         (pdr_find_duplicate): Removed.
  75         (can_collapse_pdrs): New.
  76         (pbb_remove_duplicate_pdrs): New.
  77         (new_poly_dr): Do not look for duplicates.
  78         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
  79         (PBB_PDR_DUPLICATES_REMOVED): New.
  80         (pbb_remove_duplicate_pdrs): Declared.
  81
  82 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
  85         the strides by multiplying by PDR_NB_REFS.
  86         * graphite-poly.c (can_collapse_pdr): New.
  87         (pdr_find_duplicate): New.
  88         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
  89         Initialize PDR_NB_REFS.
  90         * graphite-poly.h (struct poly_dr): Add field nb_refs.
  91         (PDR_NB_REFS): New.
  92         (new_poly_dr): Number of subscripts is a graphite_dim_t.
  93
  94 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         Revert one of the previous commits:
  97         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
  98         the computation of symmetric data dependence relations.
  99         (dependency_between_pbbs_p): Same.
 100
 101 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         PR middle-end/40965
 104         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 105         any transform.
 106
 107 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         * graphite-dependences.c (pddr_original_scattering): Return NULL
 110         for read-read dependence relations.
 111         * graphite-poly.h (enum poly_dr_type): Fix comment.
 112         (pdr_read_p): New.
 113         (pdr_write_p): New.
 114         (pdr_may_write_p): New.
 115
 116 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 117
 118         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 119         (struct poly_dr): Same.
 120         (new_poly_dr): Same.
 121         * graphite-poly.c (new_poly_dr): Same.
 122
 123 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 124             Sebastian Pop  <sebastian.pop@amd.com>
 125
 126         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 127         pbb_strip_mine_time_depth.  Changed the implementation so that
 128         transformation is expressed as a transformation on
 129         time (scatttering) dimensions.  Also, ensures that the 2d+1
 130         scheduling format is preserved.
 131         (pbb_strip_mine_profitable_p): Profitability is based on the
 132         iteration number of a given time (scattering) dimension,
 133         and not on a original loop depth dimension.
 134         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 135         (pbb_do_strip_mine): Call psct_dynamic_dim.
 136         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 137         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 138         (pbb_nb_dynamic_scattering_transform): New.
 139         (psct_dynamic_dim): New.
 140
 141 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 142
 143         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 144         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 145         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 146         * graphite-interchange.c (build_linearized_memory_access): Same.
 147         (memory_stride_in_loop): Same.
 148
 149 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         * graphite-dependences.c (pddr_original_scattering): New.
 152         (graphite_legal_transform_dr): Call pddr_original_scattering.
 153         (dot_deps_1): New.
 154         (dot_deps): New.
 155         * graphite-dependences.h (dot_deps): Declared.
 156         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 157         (print_pdr): Print PDR_ID.
 158         * graphite-poly.h (struct poly_dr): Add field id.
 159         (PDR_ID): New.
 160         (pbb_index): New.
 161         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 162
 163 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 164
 165         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 166         not delete the original dependence relation.
 167
 168 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 171         the computation of symmetric data dependence relations.
 172         (dependency_between_pbbs_p): Same.
 173
 174 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 175
 176         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 177         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 178         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 179         (free_poly_ddr): New.
 180         (pddr_is_empty): New.
 181         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 182         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 183         Remove fprintfs.
 184         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 185         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 186         * graphite-dependences.h (enum poly_dependence_kind): New.
 187         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 188         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 189         (PDRP_SINK): Renamed PDDR_SINK.
 190         (PDRP_DDP): Renamed PDDR_DDP.
 191         (PDDR_KIND): New.
 192         (free_poly_ddr): Declared.
 193         * graphite-poly.c (new_scop): Use the new hash function names.
 194         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 195         into original_pddrs.
 196         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 197
 198 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 199
 200         * Merge from mainline (150764:150992).
 201
 202 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 203
 204         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 205         bounds with LT_EXPR to make niter analysis more precise on code
 206         generated by Graphite.
 207
 208 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 209
 210         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 211         (graphite_legal_transform_bb): Same.
 212         (poly_drs_may_alias_p): Same.
 213
 214 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 215
 216         PR middle-end/40981
 217         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 218         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 219
 220 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 221
 222         * graphite-poly.c (print_pbb): Print PBB index.
 223
 224 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 225
 226         * Merge from mainline (r150672:150764).
 227
 228 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 229
 230         * graphite-interchange.c (ppl_max_for_le): Moved...
 231         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 232         * graphite-ppl.c (ppl_max_for_le): ... here.
 233         * graphite-ppl.h (ppl_max_for_le): Declared.
 234
 235 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 236
 237         * Merge from mainline (r150372:150672).
 238
 239 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 240
 241         PR middle-end/40980
 242         * sese.c (convert_for_phi_arg): New.
 243         (add_guard_exit_phis): Use convert_for_phi_arg.
 244
 245         * testsuite/gfortran.dg/graphite/id-17.f: New.
 246
 247 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 248
 249         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 250         unknown subscript upper bounds.
 251
 252         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 253
 254 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 255             Pranav Garg  <pranav.garg2107@gmail.com>
 256
 257         * graphite-interchange.c (gather_access_strides): Removed.
 258         (ppl_max_for_le): New.
 259         (build_linearized_memory_access): New.
 260         (memory_stride_in_loop): New.
 261         (pbb_interchange_profitable_p): Reimplemented.
 262         * graphite-ppl.h (ppl_new_id_map): New.
 263         (ppl_interchange): New.
 264
 265         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 266
 267 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         * graphite-interchange.c (compute_subscript): Removed.
 270         (compute_array_size_cstr): Removed.
 271         (compute_array_size_poly): Removed.
 272         (compute_array_size): Removed.
 273         (gather_access_strides_poly): Removed.
 274         (gather_access_strides): Empty.
 275
 276 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-dependences.c (dependence_polyhedron_1): Replace
 279         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 280         (graphite_legal_transform_dr): Same.
 281         (graphite_carried_dependence_level_k): Same.
 282         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 283         Initialize PDR_NB_SUBSCRIPTS.
 284         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 285         PDR_NB_SUBSCRIPTS.
 286         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 287         (PDR_NB_SUBSCRIPTS): New.
 288         (pdr_nb_subscripts): Removed.
 289         (pdr_dim): Simplified.
 290         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 291         with PDR_NB_SUBSCRIPTS.
 292
 293 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 294
 295         * graphite-interchange.c (compute_array_size): Remove use of
 296         PDR_DATA_CONTAINER.
 297         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 298         Do not initialize PDR_DATA_CONTAINER.
 299         (print_pdr): Do not print PDR_DATA_CONTAINER.
 300         * graphite-poly.h (struct poly_dr): Remove data_container field.
 301         (PDR_DATA_CONTAINER): Removed.
 302         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 303         PDR_DATA_CONTAINER.
 304         (build_poly_dr): Same.
 305
 306 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 309
 310 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 311             Sebastian Pop  <sebastian.pop@amd.com>
 312
 313         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 314         copy of the dependence polyhedron.  Free the temporary objects.
 315         (graphite_carried_dependence_level_k): Free unused objects before
 316         returning.
 317
 318         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 319         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 320         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 321         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 322         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 323
 324 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 325
 326         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 327         Early return without analyzing the data dependences if no
 328         transform has been done.  Call restore_scattering if the transform
 329         is not legal.
 330         (graphite-interchange.c): Same.
 331         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 332         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 333         (apply_poly_transforms): Do not gcc_assert that
 334         the transform is legal.
 335         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 336         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 337         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 338         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 339         * graphite-poly.h (struct poly_scattering): New.
 340         (struct poly_bb): Add original, transformed, and saved fields.
 341         Remove transformed_scattering, original_scattering, nb_local_variables,
 342         and nb_scattering_transform fields.
 343         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 344         (poly_scattering_new): New.
 345         (poly_scattering_free): New.
 346         (poly_scattering_copy): New.
 347         (store_scattering_pbb): New.
 348         (store_scattering): New.
 349         (restore_scattering_pbb): New.
 350         (restore_scattering): New.
 351         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 352         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 353
 354 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 357         (print_scop): Same.
 358
 359 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 360
 361         * Makefile.in (graphite.o): Depends on PREDICT_H.
 362         * graphite.c: Include predict.h.
 363         (graphite_finalize): Call tree_estimate_probability.
 364         * predict.c (predict_loops): Do not call scev_initialize and
 365         scev_finalize.
 366         (tree_estimate_probability_bb): New.
 367         (tree_estimate_probability): Do not initialize loops: move that
 368         code to the driver.  Call tree_estimate_probability_bb.
 369         (tree_estimate_probability_driver): New.
 370         (pass_profile): Use tree_estimate_probability_driver.
 371         * predict.h (tree_estimate_probability): Declared.
 372
 373 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 374
 375         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 376         * graphite-dependences.c (graphite_legal_transform): Add time to
 377         TV_GRAPHITE_DATA_DEPS.
 378         (dependency_between_pbbs_p): Same.
 379         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 380
 381 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 382
 383         * Merge from mainline (r149952:150372).
 384
 385 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 388         * graphite-blocking.c: Same.
 389         * graphite-clast-to-gimple.c: Same.
 390         * graphite-dependences.c: Same.
 391         * graphite-poly.c: Same.
 392         * graphite-poly.h: Same.
 393         * graphite-ppl.c: Same.
 394         * graphite-scop-detection.c: Same.
 395         * graphite-sese-to-poly.c: Same.
 396         * graphite.c: Same.
 397
 398 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 399
 400         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 401         (remove_simple_copy_phi): New.
 402         (remove_invariant_phi): New.
 403         (simple_copy_phi_p): New.
 404         (reduction_phi_p): New.
 405         (gsi_for_ssa_name_def): New.
 406         (insert_out_of_ssa_copy): New.
 407         (insert_out_of_ssa_copy_on_edge): New.
 408         (create_zero_dim_array): New.
 409         (scalar_close_phi_node_p): New.
 410         (rewrite_close_phi_out_of_ssa): New.
 411         (rewrite_phi_out_of_ssa): New.
 412         (rewrite_reductions_out_of_ssa): New.
 413         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 414
 415         * testsuite/gcc.dg/graphite/id-11.c: New.
 416         * testsuite/gcc.dg/graphite/id-15.c: New.
 417         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 418         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 419         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 420         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 421         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 422         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 423         * testsuite/gfortran.dg/graphite/id-13.f: New.
 424         * testsuite/gfortran.dg/graphite/id-5.f: New.
 425
 426 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 427
 428         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 429         check that nb_reductions_in_loop is zero.
 430         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 431         reduction phi nodes.
 432         (nb_reductions_in_loop): Removed.
 433         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 434         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 435         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 436         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 437         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 438
 439 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 442         statements that have an empty iteration domain.
 443         * testsuite/gfortran.dg/graphite/id-16.f: New.
 444
 445 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 446
 447         * tree-scalar-evolution.c (instantiate_scev_1): Return
 448         chrec_dont_know when the result is not above instantiate_below.
 449         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 450         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 451         the tree has a known scalar evolution.
 452         * testsuite/gfortran.dg/graphite/id-14.f: New.
 453         * testsuite/gfortran.dg/graphite/id-15.f: New.
 454
 455 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 456
 457         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 458         insert_gsi.
 459         (rename_variables): Keep inserting renames after the ones already
 460         inserted.
 461
 462 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 463
 464         * graphite-sese-to-poly.c (compare_bb_depths): New.
 465         (graphite_sort_dominated_info): New.
 466         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 467         (build_scop_scattering): Fix comment.
 468
 469 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * graphite.c (graphite_finalize): Call print_loops instead of
 472         dump_function_to_file.
 473         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 474         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 475         loops generated in the graphite output file.
 476         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 477         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 478         * testsuite/gfortran.dg/graphite/id-12.f: New.
 479
 480 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 481
 482         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 483         Remove 2 XFAIL.
 484
 485 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 486             Tobias Grosser  <grosser@fim.uni-passau.de>
 487
 488         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 489         alias set number build alias in ACCESSES polyhedron.
 490         (build_alias_set_for_drs): New.
 491         (build_pbb_drs): Added build_alias_set_for_drs.
 492         * graphite-dependences.c (poly_drs_may_alias_p): New.
 493         (graphite_carried_dependence_level_k): Check alias information
 494         before building polyhedron.
 495
 496 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 497
 498         * Makefile.in (lambda-code.o): Fix formatting.
 499
 500 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 501
 502         * Merge from mainline (r149350-149952)
 503
 504 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 505
 506         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 507         before interchange to prepare for loop blocking.
 508
 509 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 510
 511         * graphite-poly.c (apply_poly_transforms): Add checks after every
 512         transformation.
 513         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 514         done in apply_poly_transforms.
 515
 516 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 517
 518         * graphite-dependences.c (build_lexicographically_gt_constraint):
 519         Replace RES parameter with *RES.
 520         (dependence_polyhedron_1): Pass an address of the parameter RES
 521         instead of value of RES.
 522
 523 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 524
 525         * graphite.c (graphite_finalize): Fix comment.
 526         (graphite_transform_loops): Reset scev info after code generation
 527         of each scop.
 528
 529 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 530
 531         * graphite.c (graphite_finalize): Call scev_reset.
 532
 533 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 536         GBB_CLOOG_IV_TYPES hash table twice.
 537         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 538         (add_condition_to_domain): Clear GMP values.
 539
 540 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * graphite-dependences.c: Fix formatting.
 543         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 544         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 545         * graphite-sese-to-poly.c: Fix formatting.
 546         * graphite.c (graphite_transform_loops): Create the hash table
 547         after the early return.
 548
 549 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * testsuite/gcc.dg/graphite/id-14.c: New.
 552         * testsuite/gcc.dg/graphite/pr40157.c: New.
 553         * testsuite/gfortran.dg/graphite/id-11.f: New.
 554
 555 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 558         (build_poly_scop): Return false when there are no pbbs within
 559         loops to avoid to pass to cloog scops with no loops.
 560
 561 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 564         useless test "i % 2".
 565         (build_pbb_scattering_polyhedrons): Fix formatting.
 566         (build_poly_dr): Same.
 567         * graphite.c (graphite_transform_loops): Restructure.
 568
 569 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 570
 571         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 572         reduction_list parameter.
 573         (rewrite_all_phi_nodes_with_iv): Same.
 574         (canonicalize_loop_ivs): Same.
 575         * tree-parloops.c (struct brli): Removed.
 576         (build_reduction_list_info): Removed.
 577         (build_new_reduction): New.
 578         (analyze_reduction_list): Removed.
 579         (gather_scalar_reductions): Find reductions instead of phi
 580         nodes that can't be canonicalized.
 581         (try_create_reduction_list): Remove reduction_list parameter.
 582         (gen_parallel_loop): Same.
 583         (parallelize_loops): Remove analyze_reductions variable,
 584         initialization and free.
 585         Change reduction_list htab initialization to reduction_info
 586         elements instead of ssa names.
 587         Call try_create_reduction_list and gen_parallel_loop without
 588         analyzed_reduction argument.
 589         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 590         canonicalize_loop_ivs with one less argument.
 591         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 592
 593 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 594
 595         * graphite-dependences.c (new_poly_dr_pair): New.
 596         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 597         (new_poly_dr_pair): New.
 598         (eq_poly_dr_pair_p): New.
 599         (hash_poly_dr_pair_p): New.
 600         * graphite-dependences.h (struct poly_dr_pair): New.
 601         (eq_poly_dr_pair_p): Declared.
 602         (hash_poly_dr_pair_p): Declared.
 603         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 604         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 605         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 606         * Makefile.in (graphite-poly.o): Add dependence on
 607         graphite-dependences.h.
 608
 609 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 610
 611         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 612         polynomials of degree > 1 pass to Graphite.
 613         * tree-chrec.c (scev_is_linear_expression): Call
 614         evolution_function_is_affine_multivariate_p.
 615         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 616
 617 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 620         Instantiate scevs varying in outer loops.
 621         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 622
 623 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 626         redundant constraint.
 627
 628 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 629
 630         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 631         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 632         based on the file names as in the C testsuite.
 633         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 634         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 635         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 636         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 637         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 638         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 639         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 640         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 641         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 642         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 643         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 644         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 645         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 646
 647 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * sese.c (expand_scalar_variables_call): New.
 650         (expand_scalar_variables_ssa_name): Handle calls in expander.
 651
 652 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 655         Expect to see the pattern twice.
 656         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 657         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 658         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 659
 660 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 661
 662         * testsuite/gcc.dg/graphite/id-10.c: New.
 663         * testsuite/gcc.dg/graphite/id-12.c: New.
 664         * testsuite/gfortran.dg/graphite/id-7.f: New.
 665         * testsuite/gfortran.dg/graphite/id-8.f: New.
 666
 667 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 670         zero.
 671
 672 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 675
 676 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 679
 680 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 683         building PDR subscripts.
 684
 685 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 686
 687         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 688         computation of array sizes.
 689
 690 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 693
 694 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 695
 696         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 697         build_pairwise_constraint, dr_equality_constraints,
 698         build_pairwise_scheduling_equality,
 699         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 700         build_lexicographically_gt_constraint, dependence_polyhedron,
 701         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 702         Move from NNC_Polyhedron to C_Polyhedron.
 703         * graphite-interchange.c (compute_array_size_poly,
 704         gather_access_strides): Dito.
 705         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 706         free_scop, pbb_number_of_iterations): Dito.
 707         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 708         pbb_dim_iter_domain, struct scop): Dito.
 709         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 710         new_Cloog_Domain_from_ppl_Polyhedron,
 711         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 712         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 713         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 714         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 715         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 716         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 717         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 718         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 719         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 720         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 721         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 722         build_scop_iteration_domain, build_poly_dr): Dito
 723
 724 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 725
 726         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 727         run-id-*.c files.
 728         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 729
 730 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 733         positivity constraint on the symbolic number of iterations.
 734
 735 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 736
 737         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 738
 739 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 740             Tobias Grosser  <grosser@fim.uni-passau.de>
 741
 742         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 743         (build_cloog_prog): Directly use SCOP_CONTEXT.
 744         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 745         (free_scop): Free SCOP_CONTEXT.
 746         (print_scop_context): New.
 747         (print_scop): Call print_scop_context.
 748         (debug_scop_context): New.
 749         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 750         (struct scop): Added field context.
 751         (SCOP_CONTEXT): New.
 752         * graphite-sese-to-poly.c (add_param_constraints): New.
 753         (build_scop_context): New.
 754         (build_poly_scop): Call build_scop_context.
 755
 756 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 757
 758         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 759         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 760         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 761         * graphite-ppl.h: Include double-int.h and tree.h.
 762         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 763         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 764         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 765         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 766
 767 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 768
 769         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 770         POINTER_PLUS_EXPR for pointer types.
 771         (clast_to_gcc_expression): Same.
 772
 773 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * graphite-poly.c (print_scattering_function): Early return when
 776         PBB_TRANSFORMED_SCATTERING is not initialized.
 777         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 778
 779 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 782         to fix bootstrap.
 783
 784 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 785
 786         * tree-parloops.c (analyze_reduction_list): Change return
 787         value to void.
 788         (try_create_reduction_list): Move the call to
 789         analyze_reduction_list to the beginining.
 790         Call reduction_phi with analyzed_reductions as argument
 791         instead of reduction_list.
 792
 793 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 794
 795         *  Merge from mainline (r148296:149346)
 796
 797 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * graphite-scop-detection.c (graphite_can_represent_init): New.
 800         (graphite_can_represent_scev): Call graphite_can_represent_init:
 801         check that the initial value does not contain multiplications of
 802         parameters.
 803         (stmt_has_simple_data_refs_p): New.
 804         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 805         (is_simple_operand): Fix formatting.
 806         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 807
 808 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 809
 810         * testsuite/gcc.dg/graphite/id-13.c: New.
 811         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 812         analyze_scalar_evolution, use scalar_evolution_in_region.
 813         (scan_tree_for_params_right_scev): Add extra assert.
 814         (parameter_index_in_region_1): Split from parameter_index_in_region.
 815         (idx_record_params): Use scalar_evolution_in_region.
 816         (find_params_in_bb): Same.
 817         (find_scop_parameters): Same.
 818         (build_loop_iteration_domains): Same.
 819         (create_linear_expr_from_tree): Same.
 820         * sese.c (scalar_evolution_in_region): New.
 821         * sese.h (scalar_evolution_in_region): Declared.
 822         (defined_in_sese_p): New.
 823         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 824         static anymore.
 825         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 826         Declared.
 827
 828 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 831         TREE_DATA_REF_H also implies SCEV_H.
 832
 833 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 834
 835         * graphite-poly.c (print_scop_params): New.
 836         (print_scop): Call print_scop_params.
 837         (debug_scop_params): New.
 838         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 839
 840 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 841
 842         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 843         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 844         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 845         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 846         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 847         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 848
 849 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 850
 851         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 852         for dependency checking part.
 853         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 854         tests for dependency checking.
 855         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 856         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 857         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 858         flag -fdump-tree-graphite-all for autopar testsuites.
 859
 860 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 863         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 864         canonicalize_loop_ivs): Moved...
 865         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 866
 867 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * tree-parloops.c (try_create_reduction_list): Pass an extra
 870         argument analyzed_reductions.  Call analyze_reduction_list.
 871         (gen_parallel_loop): Do not call analyze_reduction_list.
 872         (parallelize_loops): Init and finalize analyzed_reductions.
 873
 874 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 875
 876         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 877         Added flag -fno-loop-strip-mine for autopar testcase.
 878
 879 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 880
 881         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 882         transformed scattering dimension instead of unmatch orignal when
 883         calling dependence_polyhedron.
 884
 885 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 886
 887         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 888
 889 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 892         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 893
 894 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 897         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 898         * graphite-poly.c (pbb_number_of_iterations): New.
 899         * graphite-poly.h (pbb_number_of_iterations): Declared.
 900         (pbb_iterator_dim, pbb_parameter_dim): New.
 901
 902 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 903
 904         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 905         last commit on type of lower and upper bound of loops.
 906
 907 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 908
 909         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 910         graphite-dependences.h.
 911         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 912         (mark_bb_with_pbb): New.
 913         (get_stmtfor_depth): New.
 914         (find_pbb_via_hash): New.
 915         (dependency_in_loop_p): New.
 916         (mark_loops_parallel): New.
 917         (free_aux_in_new_loops): New.
 918         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 919         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 920         innermost loop parallel without checking.
 921         (gloog): Add parameter BB_PBB_MAPPING.
 922         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 923         (gloog): Change declaration.
 924         (mark_loop_parallel): Make extern.
 925         (free_aux_in_new_loops): Declare.
 926         (bb_pbb_map_hash): New.
 927         (eq_bb_pbb_map): New.
 928         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 929         auto parallelization when flag_graphite_force_parallel is set.
 930         (graphite_finalize): Added free_aux_in_new_loops.
 931         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 932         the innermost loop that marked parallel.  Use
 933         flag_graphite_force_parallel instead of loop->can_be_parallel.
 934         (loop_parallel_p): Move inner most checking out of function.
 935
 936 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 937
 938         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 939         type of lower and upper bound of loops signed long int.
 940
 941 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 942
 943         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 944         expression outside the loop.
 945
 946 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 947
 948         * gcc.dg/graphite/interchange-8.c: New.
 949
 950 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 951
 952         * gcc.dg/graphite/interchange-0.c: XFailed.
 953         * gcc.dg/graphite/interchange-5.c: XFailed.
 954         * gcc.dg/graphite/interchange-6.c: XFailed.
 955
 956 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 957
 958         * graphite-interchange.c (compute_array_size_poly): The end of the
 959         recursion should return 1.
 960
 961 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-interchange.c (compute_array_size_cstr): Allow the
 964         subscript multiplier to be -1.
 965         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
 966         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
 967         data_container.  Initializes PDR_DATA_CONTAINER.
 968         (print_pdr_access_layout): New.
 969         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
 970         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
 971         data_container.
 972         (PDR_DATA_CONTAINER): New.
 973         (new_poly_dr): Update declaration.
 974         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
 975         (build_poly_dr): Call pdr_add_data_dimensions.
 976
 977 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 978
 979         * graphite-poly.h (struct poly_dr): Fix comment.
 980         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
 981         (pdr_add_memory_accesses): New.
 982         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
 983
 984 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * graphite-poly.c (print_pdrs, debug_pdrs): New.
 987         (print_pbb): Add call to print_pdrs.
 988         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
 989
 990 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 991             Li Feng <nemokingdom@gmail.com>
 992
 993         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
 994         (dependency_between_pbbs_p): New.
 995         (lexicographically_gt_p): Assure !empty_p before polyhedron
 996         intersection assign.
 997         (build_lexicographically_gt_constraint): Correct lexicographically
 998         judging.
 999         * graphite-dependences.h: New.
1000         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1001
1002 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1005         (gloog): Print to dump_file the generated clast.
1006         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1007         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1008
1009 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         * graphite-poly.c (extend_scattering): Increment
1012         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1013
1014 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * graphite-interchange.c (compute_array_size_poly): Added exit of
1017         recursion condition.  Continue iterating even after the first equality.
1018         (compute_array_size): Same.
1019
1020 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1021
1022         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1023         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1024         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1025         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1026         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1027
1028 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1029
1030         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1031         only when the use verifies is_gimple_reg.
1032
1033 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1034
1035         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1036         Allocate scaldims after call to unify_scattering_dimensions.
1037
1038 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1039
1040         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1041
1042 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1043             Albert Cohen  <albert.cohen@inria.fr>
1044
1045         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1046         variables for the strip mining.
1047
1048 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1049             Pranav Garg  <pranav.garg2107@gmail.com>
1050
1051         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1052         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1053         (graphite-blocking.o): New rule.
1054         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1055         * graphite-blocking.c: New.
1056         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1057         flag_loop_strip_mine.
1058         (psct_scattering_dim_for_loop_depth): New.
1059         * graphite-poly.h (scop_do_strip_mine): Declared.
1060         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1061         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1062         flag_loop_strip_mine.
1063
1064 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1067         a GMP value and a PPL coefficient at each iteration of a loop.
1068
1069 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         * graphite-dependences.c (dependence_polyhedron): Do not use
1072         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1073         pbb_nb_scattering_transform.
1074         (graphite_legal_transform_dr): Same.
1075         * graphite-poly.c (extend_scattering): Same.
1076         (unify_scattering_dimensions): Same.
1077         (print_scattering_function): Same.
1078         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1079         PBB_NB_LOCAL_VARIABLES.
1080         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1081         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1082         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1083         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1084         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1085         (pbb_nb_scattering_transform): New.
1086         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1087         (psco_scattering_dim): Add assert on parameters.
1088         (psct_scattering_dim): Same.
1089         (psct_scattering_dim_for_loop_depth): Declared.
1090         (psct_local_var_dim): New.
1091         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1092         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1093         correct layout, call pbb_nb_local_vars.
1094         (psct_add_local_variable, psct_add_scattering_dimension): New.
1095         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1096         Initialize PBB_NB_SCATTERING_TRANSFORM.
1097
1098 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1099
1100         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1101         (set_coef): Renamed ppl_set_coef.
1102         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1103
1104 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1105
1106         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1107         test a boolean against 1.
1108         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1109         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1110         (pbb_do_interchange): Returns true when a transform has been performed.
1111         (scop_do_interchange): Same.
1112         * graphite-poly.c (apply_poly_transforms): Use the return value of
1113         scop_do_interchange.
1114         * graphite-poly.h (scop_do_interchange): Update declaration.
1115
1116 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1117
1118         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1119         after last use.
1120         * sese.c (sese_reset_aux_in_loops): New.
1121         * sese.h (sese_reset_aux_in_loops): New.
1122
1123 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1124
1125         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1126         multiplier and multiply the constant by the multiplier.
1127         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1128         (build_poly_dr): Do not use the multiplier to define the subscript.
1129
1130 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1131
1132         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1133         compiler's data reference.  Initialize PDR_CDR.
1134         (print_pdr): Call dump_data_reference.
1135         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1136         Add compiler_dr field.
1137         (PDR_BB): Renamed PDR_PBB.
1138         (PDR_CDR): New.
1139         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1140         GCC's data reference representation.
1141         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1142         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1143
1144 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-poly.c (print_scattering_function): Also print the layout.
1147         * graphite-poly.h (pbb_nb_local_vars): New.
1148
1149 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1152
1153 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * graphite-poly.c (print_pdr, debug_pdr): New.
1156         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1157         (PDR_BASE): Removed.
1158
1159 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1162         ltrans-{1..6,8}.c.
1163
1164 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1167         subscript identification column.
1168         (pbb_do_interchange): Print to dump_file that some loops "will be
1169         interchanged".  Rely on that chain of characters in the testcases.
1170         * gcc.dg/graphite/interchange-0.c: New.
1171         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1172         interchange-*.c files and compile them with -floop-interchange.
1173
1174 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1175
1176         * graphite-interchange.c (interchange_profitable_p): Renamed
1177         pbb_interchange_profitable_p.
1178
1179 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1180             Harsha Jagasia  <harsha.jagasia@amd.com>
1181             Pranav Garg  <pranav.garg2107@gmail.com>
1182
1183         * graphite-interchange.c (interchange_profitable_p): Make static.
1184         (pbb_interchange_loop_depths, pbb_do_interchange,
1185         scop_do_interchange): New.
1186         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1187         for flag_loop_interchange.
1188         * graphite-poly.h (scop_do_interchange): Declared.
1189         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1190         flag_loop_interchange is used.
1191
1192 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite-dependences.c (dependence_polyhedron): Update use of
1195         pbb_nb_scattering_dims.
1196         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1197         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1198         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1199         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1200
1201 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite.c: Cleanup foo.
1204
1205 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * Merge from mainline (r143684:148293).
1208         * Disabled libpcp until it gets fixed.
1209
1210 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1211             Harsha Jagasia  <harsha.jagasia@amd.com>
1212
1213         * graphite-interchange.c: New.
1214         * Makefile.in (graphite-interchange.o): New.
1215         * graphite-poly.h (interchange_profitable_p): Declared.
1216         * graphite-ppl.h (value_max): New.
1217
1218 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1219
1220         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1221         * graphite-poly.h: Fix some comments.
1222         (pdr_dim): New.
1223         (pdr_scop): New.
1224
1225 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-poly.h
1228         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1229         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1230         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1231         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1232         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1233         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1234         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1235         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1236         * graphite-clast-to-gimple.c: Same.
1237         * graphite-dependences.c: Same.
1238         * graphite-poly.c: Same.
1239         * graphite-sese-to-poly.c: Same.
1240
1241 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1244         expressions for an IV rename, as returned by clast_to_gcc_expression.
1245         (copy_renames): Rename new_name to expr.
1246         * sese.c (debug_rename_elt): Same.
1247         (get_rename): Same.
1248         (set_rename): Same.
1249         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1250         the information from the rename map.
1251         (rename_variables_in_stmt): Same.
1252         (add_loop_exit_phis): Rename new_name to expr.
1253         (insert_loop_close_phis): Same.
1254         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1255         * sese.h (struct rename_map_elt): Rename new_name to expr.
1256         (new_rename_map_elt): Same.
1257
1258 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1261         * sese.c (set_rename): Make it extern.
1262         * sese.h (set_rename): Declared.
1263
1264 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1265
1266         * graphite-poly.c (extend_scattering): Free values.
1267         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1268         Free iterators.
1269         (ppl_print_powerset_matrix): Same.
1270         * graphite-scop-detection.c (free_scops_1): New.
1271         (limit_scops): Call free_scops_1.
1272         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1273         (build_poly_dr): Free PPL coefficients.
1274         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1275
1276 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1277
1278         * graphite-dependences.c: New.
1279         * graphite-data-ref.c: Removed.
1280         * graphite-data-ref.h: Removed.
1281         * Makefile.in (graphite-data-ref.o): Removed.
1282         (graphite-dependences.o): Added.
1283         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1284         * graphite-poly.c: Same.
1285         Move the data dependence testing to graphite-dependences.c.
1286
1287 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1288
1289         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1290         from graphite_cannot_represent_loop. Code refactored.
1291         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1292
1293 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1294
1295         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1296         Cover all the testcases (not only the filtered ones).
1297
1298 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1299
1300         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1301         unnecessary check. Update comments. Move check for REAL_TYPE here.
1302         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1303         done in (stmt_simple_for_scop_p).
1304
1305 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1306
1307         * graphite.c (print_global_statistics): New.
1308         (print_graphite_scop_statistic): New.
1309         (print_graphite_statistics): New.
1310         (graphite_initialize, graphite_transform_loops): Print statistics.
1311         * graphite-scop-detection (build_scops): Print statistics.
1312         (print_graphite_scop_statistics): New.
1313         (print_graphite_statistics): New.
1314
1315 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1318         (debug_clast_name_index): Removed.
1319         (debug_clast_name_indexes_1): Removed.
1320         (debug_clast_name_indexes): Removed.
1321         (clast_name_index_elt_info): Removed.
1322         (eq_clast_name_indexes): Removed.
1323         (clast_name_to_index): Removed.
1324         (new_clast_name_index): Removed.
1325         (save_clast_name_index): Removed.
1326         (save_var_name): Moved...
1327         (init_sese_params_index): Removed.
1328         (clast_name_to_gcc): Remove use of name_tree.
1329         (initialize_cloog_names): Same.
1330         (gloog): Do not call init_sese_params_index.
1331         * graphite-sese-to-poly.c (save_var_name): ...here.
1332         (parameter_index_in_region): New.
1333         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1334         (parameter_index_in_region): Removed.
1335         (is_parameter): Remove use of name_tree.
1336         * sese.h (struct name_tree): Removed.
1337         (struct sese): Remove use of name_tree.  New field params_names.
1338         (SESE_PARAMS_NAMES): New.
1339         (SESE_PARAMS): Remove duplicate.
1340         (parameter_index_in_region): Removed.
1341         (sese_nb_params): Remove use of name_tree.
1342         (struct clast_name_index): New.
1343         (new_clast_name_index): New.
1344         (clast_name_to_index): New.
1345         (save_clast_name_index): New.
1346         (debug_clast_name_index): New.
1347         (debug_clast_name_indexes_1): New.
1348         (debug_clast_name_indexes): New.
1349         (clast_name_index_elt_info): New.
1350         (eq_clast_name_indexes): New.
1351
1352 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1355         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1356         (graphite_loop_normal_form): Do not pass region.  Do not
1357         initialize SESE_OLDIVS.
1358         (build_graphite_loop_normal_form): Update call to
1359         graphite_loop_normal_form.
1360         * sese.c (debug_oldivs): Removed.
1361         (new_sese): Do not initialize SESE_OLDIVS.
1362         (free_sese): Do not free SESE_OLDIVS.
1363         (oldiv_for_loop): Removed.
1364         * sese.h (struct sese): Remove old_ivs.
1365         (SESE_OLDIVS): Removed.
1366         (oldiv_for_loop): Removed.
1367
1368 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1371         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1372         replaced by a call to newivs_to_depth_to_newiv.
1373         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1374         (clast_to_gcc_expression_red): Same.
1375         (gcc_type_for_clast_expr): Same.
1376         (gcc_type_for_clast_eq): Same.
1377         (graphite_translate_clast_equation): Same.
1378         (graphite_create_guard_cond_expr): Same.
1379         (graphite_create_new_guard): Same.
1380         (graphite_create_new_loop): Same.
1381         (build_iv_mapping): Same.
1382         (translate_clast): Same.
1383         (gloog): Same.
1384         (loop_iv_stack_patch_for_consts): Removed.  *
1385         sese.c (iv_stack_entry_is_constant): Removed.
1386         (iv_stack_entry_is_iv): Removed.
1387         (loop_iv_stack_push_iv): Removed.
1388         (loop_iv_stack_insert_constant): Removed.
1389         (loop_iv_stack_pop): Removed.
1390         (loop_iv_stack_get_iv): Removed.
1391         (loop_iv_stack_get_iv_from_name): Removed.
1392         (debug_loop_iv_stack): Removed.
1393         (free_loop_iv_stack): Removed.
1394         (loop_iv_stack_remove_constants): Removed.  *
1395         sese.h (iv_stack_entry_kind): Removed.
1396         (iv_stack_entry_data_union): Removed.
1397         (iv_stack_entry_struct): Removed.
1398         (iv_stack_entry_p): Removed.
1399         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1400         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1401         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1402         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1403         (gbb_loop_at_index): Fix indenting.
1404         (gbb_loop_index): Removed.
1405
1406 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1409         Call clast_name_to_index.
1410
1411 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1412
1413         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1414         do not pass params.  Get params from SESE_PARAMS.
1415         (clast_to_gcc_expression): Same.
1416         (clast_to_gcc_expression_red): Same.
1417         (gcc_type_for_clast_eq): Same.
1418         (graphite_translate_clast_equation): Same.
1419         (graphite_create_new_loop): Same.
1420         * sese.c (rename_variables_in_stmt): Fix comment.
1421
1422 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1425         newivs_index.
1426         Call save_clast_name_index.
1427         (translate_clast): Pass newivs_index.
1428         (gloog): Create and free newivs_index.
1429
1430 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1433         (clast_name_index_p): New type.
1434         (debug_clast_name_index): New.
1435         (debug_clast_name_indexes_1): New.
1436         (debug_clast_name_indexes): New.
1437         (clast_name_index_elt_info): New.
1438         (eq_clast_name_indexes): New.
1439         (clast_name_to_index): New.
1440         (new_clast_name_index): New.
1441         (save_clast_name_index): New.
1442         (init_sese_params_index): New.
1443         (gloog): Call init_sese_params_index.
1444         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1445         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1446         (free_sese): Free SESE_PARAMS_INDEX.
1447         * sese.h (struct sese): Add params_index.
1448         (SESE_PARAMS_INDEX): New.
1449
1450 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1451
1452         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1453         (graphite_create_new_loop): Pass the newivs vector.  Push the
1454         newly created IV to newivs.
1455         (translate_clast): Pass the newivs vector.
1456         (gloog): Create and destroy the newivs vector.
1457
1458 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1461         (graphite_loop_normal_form): Initialize loop->aux with the unique
1462         IV that has been created.
1463
1464 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1465
1466         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1467         scev with parameters in the base part. They where forbidden
1468         exidently.
1469
1470 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1471
1472         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1473         compile options by file names.
1474         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1475         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1476         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1477         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1478
1479 2009-05-08  Li Feng <nemokingdom@gmail.com>
1480
1481         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1482         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1483         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1484         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1485
1486 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1487
1488         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1489         by final cleanup.
1490
1491 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1492
1493         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1494         allow integer constant strides.
1495         (graphite_can_represent_expr): Depend on outermost_loop.
1496         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1497         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1498         build_scops_1): Same.
1499         (scopdet_basic_block_info): Same and insert layered SCoP
1500         detection.
1501         (try_generate_gimple_bb): Cleanup.
1502         (build_scops): Enable data references.
1503
1504         * testsuite/gcc.dg/graphite/id-5.c: New.
1505         * testsuite/gcc.dg/graphite/id-9.c: New.
1506         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1507         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1508
1509 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1510
1511         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1512         that we have not yet built for this SCoP.
1513
1514 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1515
1516         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1517         for complex numbers.
1518
1519 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1520
1521         * graphite-ppl.c: Fix build if cloog is not available.
1522
1523 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1524
1525         * tree-parloops.c (loop_parallel_p): Remove construction of
1526         NITER and REDUCTION_LIST.
1527         (try_get_loop_niter): New.
1528         (try_create_reduction_list): New.
1529         (parallelize_loops): Bypass the failed checkings in autopar
1530         when can_be_parallel in loop structure is set to true.
1531
1532 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1533
1534         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1535         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1536
1537 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1538
1539         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1540         Enable EQ_EXPR and NE_EXPR again.
1541
1542 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1543
1544         * graphite-scop-detection.c (graphite_can_represent_scev):
1545         Add check if scev is affine multivariate.
1546         (harmful_stmt_in_bb): Check if we can represent the conditions.
1547         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1548         harmful_stmt_in_bb.
1549         * testsuite/gcc.dg/graphite/id-7.c: New.
1550
1551 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1552
1553         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1554         Check all bbs in region, not only the bbs that are represented in
1555         GRAPHITE.
1556         (build_poly_scop): Add newline.
1557         * testsuite/gcc.dg/graphite/id-8.c: New.
1558
1559 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1560
1561         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1562         when loop initialize.
1563         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1564         * common.opt: Declare flag_graphite_force_parallel.
1565         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1566         loop parallel.
1567         * graphite-poly.c (apply_poly_transforms): Introduce
1568         flag_graphite_force_parallel.
1569         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1570         * toplev.c (process_options): ditto and replace a not correctly
1571         encoded space.
1572
1573 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1574
1575         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1576         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1577         to the redefinition.
1578         (compute_cloog_iv_types_1): ditto.
1579         (build_iv_mapping): ditto.
1580         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1581         initialization.
1582         (free_gimple_bb): Removed GBB_LOOPS related free part.
1583         (build_bb_loops): Removed.
1584         * sese.h (struct gimple_bb): Removed loops.
1585         (GBB_LOOPS): Removed.
1586         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1587         (gbb_loop_index): ditto.
1588
1589 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1590
1591         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1592         allow non constant strides.
1593         * testsuite/gcc.dg/graphite/scop-20.c: New.
1594
1595 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1596
1597         * graphite-scop-detection.c (dot_all_scops): Fix system call
1598         return value warning.
1599         (dot_scop): Same.
1600
1601 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1602
1603         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1604         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1605
1606 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1607
1608         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1609         build_pairwise_constraint, dr_equality_constraints,
1610         build_pairwise_scheduling_equality,
1611         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1612         build_lexicographically_gt_constraint, dependence_polyhedron,
1613         graphite_legal_transform_dr, graphite_legal_transform_bb,
1614         graphite_legal_transform): New.
1615         * graphite-poly.h (graphite_legal_transform): Declared.
1616         * graphite-sese-to-poly.c (build_poly_scop): Call to
1617         graphite_legal_transform is disabled for the moment.
1618
1619 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1620
1621         * graphite-poly.h (pbb_nb_scattering_dims): New.
1622         (pbb_nb_scattering): Use it.
1623
1624 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1627         Pointset_Powerset version of ppl_insert_dimensions.
1628         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1629
1630 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1633
1634 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * graphite-poly.h: Fix comment.
1637
1638 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1641
1642 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1643
1644         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1645         statements.
1646
1647 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1648
1649         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1650         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1651         conditions.
1652
1653 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1654
1655         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1656         handle EQ_EXPR and NE_EXPR.
1657
1658 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1659
1660         * graphite-poly.h (poly_dr): Fix comment.
1661
1662 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1663             Tobias Grosser  <grosser@fim.uni-passau.de>
1664
1665         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1666         with a zero dimension polyhedron.
1667         (find_scop_parameters): Move the call to scop_set_nb_params here.
1668         (build_loop_iteration_domains): Store in loop->aux the iteration
1669         domain polyhedron.
1670         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1671         by any loop in scop.
1672         (build_poly_scop): Do not call scop_set_nb_params.
1673
1674 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1675             Tobias Grosser  <grosser@fim.uni-passau.de>
1676
1677         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1678         add_condition_to_domain not GT_EXPR.
1679
1680 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1681
1682         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1683         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1684         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1685         upper_bound_assign to calculate unions.
1686         * testsuite/gcc.dg/graphite/id-6.c: New.
1687
1688 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1689
1690         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1691         handle abnormal edges.
1692
1693 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1694
1695         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1696         (free_poly_bb): Also free poly_drs.
1697         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1698         (poly_dr): Polyhedron to Pointset_Powerset.
1699         (pdr_accessp_nb_subscripts): Same.
1700         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1701         poly_drs.
1702
1703 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1704
1705         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1706         names into more meaningful names.
1707
1708 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1711         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1712
1713 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1714
1715         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1716         the reduction_list.
1717         * tree-parloops.c (rewrite_phi_with_iv): New.
1718         (rewrite_all_phi_nodes_with_iv): New.
1719         (canonicalize_loop_ivs): Call them.
1720
1721 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1724         graphite_find_data_references_in_stmt.
1725         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1726         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1727
1728 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1731
1732 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1735         instead of bb_in_region.
1736         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1737         (build_sese_conditions): Use flag_bb_in_sese.
1738         * sese.c (register_bb_in_sese): Removed.
1739         (new_sese): Remove initialization of SESE_REGION_BBS.
1740         (free_sese): Do not free SESE_REGION_BBS.
1741         * sese.h (struct sese): Remove field region_basic_blocks.
1742         (SESE_REGION_BBS): Removed.
1743         (bb_in_sese_p): Implement in function of bb_in_region.
1744
1745 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1748         loops.
1749
1750 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1751
1752         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1753         and EQ_EXPR.
1754         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1755         (add_condition_to_domain): New.
1756         (add_condition_to_pbb): New.
1757         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1758         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1759
1760 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1761
1762         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1763         ppl_Pointset_Powerset.
1764         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1765         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1766         (pbb_nb_loops): Same.
1767         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1768         add_conditions_to_domain): Same.
1769         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1770         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1771         ppl_const_Polyhedron_t.
1772         (ppl_print_powerset_matrix): New.
1773         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1774         ppl_print_powerset_matrix): New.
1775         (ppl_print_polyhedron_matrix): Updated.
1776
1777 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1778
1779         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1780
1781 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1784         (print_iteration_domains, debug_iteration_domain,
1785         debug_iteration_domains): New.
1786         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1787         debug_iteration_domains): Declared.
1788         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1789         indenting.
1790
1791 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1792             Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * graphite-poly.h (print_iteration_domain): New.
1795         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1796         (build_sese_conditions_1, build_sese_conditions_after,
1797         build_sese_conditions_before): New.
1798         (build_sese_conditions): Rewritten.
1799
1800 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1801             Tobias Grosser  <grosser@fim.uni-passau.de>
1802
1803         Cleanup of code generation liveouts.
1804         * graphite-clast-to-gimple.c (translate_clast): Use a single
1805         rename_map instead of one per translated statement.
1806         Do not use SESE_LIVEOUT_RENAMES.
1807         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1808         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1809         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1810         phi node of a reduction: when a loop contains a reduction used outside
1811         the loop, there should be a scalar close phi node on the exit block.
1812         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1813         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1814         (free_sese): Do not free them.
1815         (sese_build_liveouts_use): Do not use them.
1816         (sese_build_liveouts_bb): Same.
1817         (sese_build_liveouts): Same.
1818         (sese_insert_phis_for_liveouts): Same.
1819         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1820         (defined_in_loop_p): New.
1821         (alive_after_loop): New.
1822         (close_phi_not_yet_inserted_p): New.
1823         (struct alep, alep_p): New.
1824         (add_loop_exit_phis): Remove from the rename_map all the names defined
1825         in the code generated loop.
1826         (insert_loop_close_phis): Traverse the rename_map passed to it.
1827         Don't use SESE_LIVEOUT_RENAMES.
1828         (default_liveout_before_guard): Renamed default_before_guard.
1829         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1830         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1831         (register_sese_liveout_renames): Removed.
1832         (copy_bb_and_scalar_dependences): Do not call it.
1833         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1834         reduction_list.
1835         (SESE_LIVEOUT): Removed.
1836         (SESE_LIVEOUT_RENAMES): Removed.
1837         (SESE_REDUCTION_LIST): Removed.
1838         (sese_build_liveouts): Removed.
1839         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1840         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1841         (insert_guard_phis): Same.
1842         (rename_map_elt): Declare a VEC of them.
1843         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1844         trees not pointers to trees.
1845
1846         Rewrite in canonical close SSA form:
1847         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1848         (limit_scops): Close the scop after the block containing the close phi
1849         nodes.
1850         (canonicalize_loop_closed_ssa): New.
1851         (canonicalize_loop_closed_ssa_form): New.
1852         (build_scops): Call canonicalize_loop_closed_ssa_form.
1853
1854         * graphite-sese-to-poly.c: Fix typos.
1855
1856 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1859         Extended.
1860         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1861         (print_pbb): Add conditions.
1862
1863 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1864             Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1867         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1868         (build_scop_bbs_1): New.
1869         (build_scop_bbs): Rewrite.
1870         * sese.h (bb_in_region): New.
1871
1872 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1873
1874         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1875         poly_drs vector.
1876         (print_scop): Style.
1877         * graphite-poly.h (poly_bb): Add drs vector.
1878         (PBB_DRS): Add accessor.
1879         * graphite-sese-to-poly.c (build_poly_dr): New.
1880         (build_pbb_drs, build_scop_drs): New.
1881         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1882
1883 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1884
1885         * tree-ssa-loop.c: Include forgotten toplev.h
1886
1887 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1888
1889         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1890         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1891         * testsuite/gcc.dg/graphite/pr37928.c: Same
1892         * testsuite/gcc.dg/graphite/pr38409.c: Same
1893         * testsuite/gcc.dg/graphite/pr38498.c: Same
1894         * testsuite/gcc.dg/graphite/pr38559.c: Same
1895         * testsuite/gcc.dg/graphite/pr39335.c: Same
1896         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1897         * testsuite/gfortran.dg/graphite/block-2.f: Same
1898         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1899         with -floop-*.
1900
1901 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1902
1903         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1904         build_access_matrix, build_scop_data_accesses): Remove access function
1905         building. (We get a new version soon).
1906         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1907         * sese.h (nb_loops_around_loop_in_sese): Remove.
1908         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1909
1910 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1911             Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-scop-detection.c (struct scopdet_info): Rename last
1914         field to exit.
1915         (scopdet_basic_block_info, build_scops_1): Don't use
1916         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1917
1918 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1919             Sebastian Pop  <sebastian.pop@amd.com>
1920
1921         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1922         * sese.c (sese_build_liveouts_use): Renamed from
1923         sese_build_livein_liveouts_use. Remove liveins.
1924         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1925         Call sese_build_liveouts_use.
1926         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1927         Call sese_build_liveouts_bb.
1928         (new_sese, free_sese): Remove liveins.
1929         (sese_add_exit_phis_var): Deleted.
1930         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1931         directly.
1932         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1933
1934         * sese.h (sese): Remove num_ver and livein.
1935         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1936
1937 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1938
1939         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1940
1941 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1942
1943         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1944         (build_scop_scattering): Do not use compare_prefix_loops any more.
1945         (nb_common_loops): New.
1946
1947 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1948
1949         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1950         (register_old_and_new_names): Renamed set_rename.
1951
1952 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1955         of the decl from the previous commit.
1956
1957 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-scop-detection.c (dot_scop): New.
1960         * graphite-scop-detection.h (dot_scop): Declared.
1961
1962 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1965
1966 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1969         condition at the end of the loop.
1970         * graphite.c (graphite_initialize, graphite_finalize): Print to
1971         dump_file the compiled function.
1972         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1973         of create_empty_loop_on_edge.
1974         (translate_clast): Update the code generation of loops for the new
1975         shape of loops.
1976         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1977
1978 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         Reverted the patch from 2009-03-19.
1981
1982 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1983
1984         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1985         poly_drs vector.
1986         (print_scop): Style.
1987         * graphite-poly.h (poly_bb): Add drs vector.
1988         (PBB_DRS): Add accessor.
1989         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
1990         (build_access_matrix_with_af, build_access_matrix,
1991         build_scop_data_accesses): Delete.
1992         (build_poly_dr): New.
1993         (build_pbb_drs, build_scop_drs): New.
1994         (build_poly_scop): call build_scop_drs.
1995
1996 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1997
1998         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1999         once per basic block.
2000
2001 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2002
2003         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2004         (graphite_can_represent_expr): Renamed from loop_affine_expr
2005         and enhanced.
2006         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2007         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2008         (scopdet_basic_block_info): Actually define entry_block.
2009         (stmt_simple_memref_p): Moved here from ...
2010
2011         * tree-data-ref.c (stmt_simple_memref_p): here.
2012         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2013
2014 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2015
2016         * testsuite/gcc.dg/graphite/id-4.c: New.
2017
2018 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2021         (register_old_and_new_names): Update the content of the map.
2022         When there was already a rename_map_elt in the map at that
2023         location, free it.
2024         (copy_bb_and_scalar_dependences): Do rename_variables after
2025         expand_scalar_variables.
2026         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2027         of the map.  When there was already a rename_map_elt in the
2028         map at that location, free it.
2029         (translate_clast): Pass the rename_map.  Do not initialize and free
2030         a rename_map per stmt_user.
2031         (gloog): Initialize and free one rename_map and pass it to
2032         translate_clast.
2033
2034 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2035
2036         * sese.c (expand_scalar_variables_stmt,
2037         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2038         parameter.
2039         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2040         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2041         the gimple_stmt_iterator of the statement to be expanded.
2042         * graphite-scop-detection.c (is_simple_operand): Do handle
2043         REALPART_EXPR.
2044
2045 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2046
2047         * graphite-scop-detection.c (is_simple_operand): Do not handle
2048         REALPART_EXPR.
2049         * testsuite/gcc.dg/graphite/id-2.c: New.
2050
2051         * graphite-sese-to-poly.c (build_bb_loops,
2052         add_value_to_dim, scan_tree_for_params_right_scev,
2053         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2054         find_params_in_bb, build_loop_iteration_domains,
2055         add_conditions_to_domain): Remove subtract.
2056
2057 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2058
2059         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2060         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2061         pbb_loop_at_index -> gbb_loop_at_index.
2062         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2063         (debug_loop_vec): Delete.
2064         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2065         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2066         (PBB_LOOPS): Removed.
2067         (PBB_BLACK_BOX): Insert cast.
2068         (pbb_set_black_box): New setter.
2069         (pbb_loop_at_index, pbb_loop_index): Removed.
2070         (scop_set_region, scop_set_nb_params): New.
2071         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2072         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2073         (build_poly_scop): Use scop_set_nb_params.
2074         * sese.h (gimple_bb): Add LOOPS.
2075         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2076
2077 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2078
2079         Revert previous commit.
2080
2081 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2082
2083         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2084         (register_old_and_new_names): Update the content of the map.
2085         When there was already a rename_map_elt in the map at that
2086         location, free it.
2087         (copy_bb_and_scalar_dependences): Do rename_variables after
2088         expand_scalar_variables.
2089         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2090         of the map.  When there was already a rename_map_elt in the
2091         map at that location, free it.
2092         (translate_clast): Pass the rename_map.  Do not initialize and free
2093         a rename_map per stmt_user.
2094         (gloog): Initialize and free one rename_map and pass it to
2095         translate_clast.
2096
2097 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2098
2099         Remove forgotten line in revert.
2100
2101 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         Revert previous commit.
2104
2105 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * sese.c (register_old_and_new_names): Update the content
2108         of the map.  When there was already a rename_map_elt in the
2109         map at that location, free it.
2110         (copy_bb_and_scalar_dependences): Do rename_variables after
2111         expand_scalar_variables.
2112         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2113         of the map.  When there was already a rename_map_elt in the
2114         map at that location, free it.
2115         (translate_clast): Pass the rename_map.  Do not initialize and free
2116         a rename_map per stmt_user.
2117         (gloog): Initialize and free one rename_map and pass it to
2118         translate_clast.
2119
2120 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * graphite-clast-to-gimple.c (translate_clast): context_loop
2123         is never NULL.
2124
2125 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2126             Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2129         of the use of ppl_Polyhedron_map_space_dimensions.
2130
2131 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2132             Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2135         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2136         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2137         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2138         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2139         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2140         pbb_nb_params): New.
2141         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2142         nb_loops_around_pbb): Adapt return types.
2143
2144 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2145
2146         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2147         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2148         graphite-scop-detection.o, graphite-poly.o): Add
2149         more headers.
2150
2151 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2152
2153         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2154         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2155         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2156
2157 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2158
2159         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2160         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2161         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2162         * testsuite/gcc.dg/graphite/block-0.c: Same.
2163         * testsuite/gcc.dg/graphite/block-1.c: Same.
2164         * testsuite/gcc.dg/graphite/block-2.c: Same.
2165         * testsuite/gcc.dg/graphite/block-3.c: Same.
2166         * testsuite/gcc.dg/graphite/block-4.c: Same.
2167         * testsuite/gcc.dg/graphite/block-5.c: Same.
2168         * testsuite/gcc.dg/graphite/block-6.c: Same.
2169         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2170         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2171         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2172         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2173         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2174         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2175         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2176         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2177         * opts.c: Remove -floop-block from -O2.
2178         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2179         -floop-strip-mine are used.
2180
2181 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2182             Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2185         dimensions.
2186         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2187         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2188         strip_mine_profitable_p, is_interchange_valid,
2189         graphite_trans_bb_block, graphite_trans_loop_block,
2190         graphite_trans_scop_block): Temporary removed.
2191         (extend_scattering, unify_scattering_dimensions): New.
2192         (print_scattering_function, graphite_read_transforms):
2193         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2194         (graphite_generate_scattering_fns): Removed.
2195         (apply_poly_transforms): Cleanup.
2196         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2197         (schedule_to_scattering): Moved.
2198         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2199         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2200         (pbb_nb_scattering): New.
2201         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2202         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2203         Removed.
2204         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2205         shift_poly.
2206         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2207         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2208         -> PBB_TRANSFORMED_SCATTERING.
2209         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2210         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2211         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2212         (check_poly_representation): Do not return bool.
2213         (graphite_transform_loops): Reformat.
2214         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2215
2216 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2217
2218         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2219         debug_pbb_domain, debug_pbb, debug_scop): New.
2220         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2221         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2222
2223 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2224
2225         PR middle-end/39335
2226         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2227         when the type precision of the induction variable should be
2228         larger than the type precision of nit.
2229         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2230         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2231         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2232
2233         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2234         * testsuite/gcc.dg/graphite/pr39335.c: New.
2235
2236 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2239         SSA_NAMES not struct reduction_info.
2240
2241 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2244
2245 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2246             Tobias Grosser  <grosser@fim.uni-passau.de>
2247
2248         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2249         (free_sese): Free SESE_REDUCTION_LIST.
2250         * sese.h (struct sese): Add field reduction_list.
2251         (SESE_REDUCTION_LIST): New.
2252         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2253         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2254
2255 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2256             Tobias Grosser  <grosser@fim.uni-passau.de>
2257
2258         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2259         of loop_p.
2260
2261 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2262             Tobias Grosser  <grosser@fim.uni-passau.de>
2263
2264         * tree-parloops.c (struct brli, build_reduction_list_info,
2265         analyze_reduction_list, gather_scalar_reductions): New.
2266         (loop_parallel_p): Build a reduction list containing only
2267         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2268         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2269         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2270         * tree-flow.h (gather_scalar_reductions): Declared.
2271
2272 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         PR middle-end/39308
2275         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2276         number_of_iterations_exit from a gcc_assert.
2277
2278 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2279             Jan Sjodin  <jan.sjodin@amd.com>
2280
2281         * output.h (graphite_out_file, graphite_in_file): Declared.
2282         * toplev.c (graphite_out_file, graphite_in_file): New.
2283         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2284         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2285         Don't call schedule_to_scattering.
2286         * common.opt (fgraphite-write, fgraphite-read): New.
2287         * graphite-poly.c: Include output.h.
2288         (print_scattering_function, print_scattering_functions,
2289         debug_scattering_function, debug_scattering_functions,
2290         graphite_write_transforms, graphite_read_transforms,
2291         graphite_generate_scattering_fns): New.
2292         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2293         Call graphite_generate_scattering_fns, graphite_write_transforms,
2294         graphite_read_transforms.
2295         (new_poly_bb): Initialize PBB_SCATTERING.
2296         (free_poly_bb): Free PBB_SCATTERING.
2297         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2298         * graphite-poly.h (struct poly_bb): Add field scattering.
2299         (PBB_SCATTERING): New.
2300         (print_scattering_function, print_scattering_functions,
2301         debug_scattering_function, debug_scattering_functions): Declared.
2302         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2303         GMP values, not integers!
2304         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2305         ppl_read_polyhedron_matrix): New.
2306         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2307         debug_ppl_polyhedron_matrix,
2308         ppl_read_polyhedron_matrix): Declared.
2309         * Makefile.in (graphite-poly.o): Depends on output.h.
2310
2311 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2312             Tobias Grosser  <grosser@fim.uni-passau.de>
2313
2314         Revert this change:
2315         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2316         scalar evolutions in the scop_entry->loop_father.
2317
2318 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2319             Tobias Grosser  <grosser@fim.uni-passau.de>
2320
2321         * graphite.h (ref_nb_loops): Remove declaration.
2322         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2323         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2324         debug_gbb): Moved to sese.h.
2325         * sese.h: As said.
2326
2327 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2328             Tobias Grosser  <grosser@fim.uni-passau.de>
2329
2330         * graphite-data-ref.[ch]: Disable.
2331
2332 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2333             Tobias Grosser  <grosser@fim.uni-passau.de>
2334
2335         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2336         scalar evolutions in the scop_entry->loop_father.
2337
2338 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2341         (graphite_cannot_represent_loop_niter): Renamed
2342         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2343         (limit_scops): build_sese_loop_nests does not return a bool.
2344         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2345         * sese.c (nb_reductions_in_loop): ... from here.
2346         (graphite_loop_normal_form): ... from here.
2347         (sese_record_loop): Does not fail, so does not return a bool.
2348         (build_sese_loop_nests): Same.
2349         * sese.h (build_sese_loop_nests): Update declaration.
2350         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2351         (build_graphite_loop_normal_form): New.
2352         (gloog): Call build_graphite_loop_normal_form.
2353         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2354         build_sese_loop_nests.
2355
2356         * testsuite/gcc.dg/graphite/id-1.c: New.
2357
2358 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2359             Tobias Grosser  <grosser@fim.uni-passau.de>
2360
2361         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2362         The SCoP detection fix is sufficient.
2363
2364 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         PR tree-optimization/39260
2367         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2368         the basic block contains a condition with a real type.
2369         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2370
2371         * gcc.dg/graphite/pr39260.c: New.
2372
2373 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * graphite-poly.c: Inlcude params.h.
2376         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2377         the size of a tile.
2378         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2379         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2380
2381 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2382             Tobias Grosser  <grosser@fim.uni-passau.de>
2383
2384         * graphite-scop-detection.c (dot_all_scops_1,
2385         dot_all_scops): Moved here.
2386         * graphite-scop-detection.h (dot_all_scops): Declared here.
2387         * graphite.c (graphite_initialize, graphite_finalize): New.
2388         (graphite_transform_loops): Cleaned up.
2389         * sese.c (debug_oldivs): Moved here.
2390         * graphite-poly.c (graphite_apply_transformations): Renamed
2391         apply_poly_transforms.
2392         (debug_loop_vec): Moved here.
2393         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2394         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2395         find_scop_parameters, build_scop_iteration_domain,
2396         add_conditions_to_constraints, build_scop_canonical_schedules,
2397         build_scop_data_accesses): Now static.
2398         (build_poly_scop, check_poly_representation): New.
2399
2400 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2401
2402         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2403         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2404         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2405         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2406         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2407         scan_tree_for_params, struct irp_data, dx_record_params,
2408         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2409         build_loop_iteration_domains, add_conditions_to_domain,
2410         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2411         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2412         build_sese_conditions, add_conditions_to_constraints,
2413         build_scop_iteration_domain, build_access_matrix_with_af,
2414         build_access_matrix,
2415         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2416
2417         * graphite-sese-to-poly.c: New.
2418         * graphite-sese-to-poly.h: New.
2419
2420         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2421
2422 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2423
2424         * graphite.c: Split graphite code generation to a new file.
2425         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2426         max_precision_type, clast_to_gcc_expression_red,
2427         clast_to_gcc_expression, gcc_type_for_clast_expr,
2428         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2429         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2430         graphite_create_new_guard, clast_get_body_of_loop,
2431         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2432         graphite_create_new_loop, build_iv_mapping, copy_renames,
2433         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2434         compute_cloog_iv_types, free_scattering, save_var_name,
2435         initialize_cloog_names, build_scop_context, build_cloog_prog,
2436         set_cloog_options, debug_clast_stmt, scop_to_clast,
2437         print_generated_program, debug_generated_program,
2438         gloog): Moved to graphite-clast-to-gimple.c.
2439
2440         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2441
2442         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2443         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2444         loop_iv_stack_pop, loop_iv_stack_get_iv,
2445         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2446         free_loop_iv_stack, loop_iv_stack_remove_constants,
2447         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2448         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2449         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2450         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2451         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2452         get_vdef_before_sese, sese_adjust_vphi,
2453         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2454         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2455         is_iv, expand_scalar_variables_ssa_name,
2456         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2457         expand_scalar_variables, rename_variables, remove_condition,
2458         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2459         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2460         default_liveout_before_guard, add_guard_exit_phis,
2461         insert_guard_phis, register_old_and_new_names,
2462         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2463         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2464         if_region_set_false_region, create_if_region_on_edge,
2465         move_sese_in_condition): Moved to sese.c.
2466
2467         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2468         if_region_exit, if_region_get_condition_block,
2469         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2470         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2471         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2472         ivtype_map_elt, new_ivtype_map_elt,
2473         recompute_all_dominators): Moved to sese.h.
2474
2475         * graphite-clast-to-gimple.c: New.
2476         * graphite-clast-to-gimple.h: New.
2477         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2478         * sese.c: Modified as said above.
2479         * sese.h: Same.
2480
2481 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2482
2483         * graphite.c: Split scop detection to a new file.
2484         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2485         move_sd_regions, loop_affine_expr, exclude_component_ref,
2486         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2487         graphite_cannot_represent_loop_niter, struct scopdet_info,
2488         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2489         find_single_entry_edge, find_single_exit_edge,
2490         create_single_entry_edge, sd_region_without_exit,
2491         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2492         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2493         Moved to graphite-scop-detection.c.
2494
2495         * graphite-scop-detection.c: New.
2496         * graphite-scop-detection.h: New.
2497         * Makefile.in: Add new rule for graphite-scop-detection.o.
2498
2499         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2500         tree-scalar-evolution.h.
2501         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2502         build_sese_loop_nests): Moved here from graphite.c.
2503         (param_index): Renamed parameter_index_in_region.
2504
2505 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2506             Sebastian Pop  <sebastian.pop@amd.com>
2507
2508         * gcc.dg/graphite/block-0.c: Expected to fail now.
2509         * gcc.dg/graphite/block-1.c: Same.
2510         * gcc.dg/graphite/block-5.c: Same.
2511         * gcc.dg/graphite/block-6.c: Same.
2512
2513 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2514             Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         * graphite.h: Separate from graphite_bb_p the polyhedral
2517         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2518         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2519         graphite-data-ref.h.
2520         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2521         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2522         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2523         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2524         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2525         scop_nb_params): Moved to graphite-poly.h.
2526         * graphite-data-ref.c: Same.
2527         * graphite-data-ref.h: New.
2528         * graphite.c: Same.
2529         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2530         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2531         is_interchange_valid, graphite_trans_bb_block,
2532         graphite_trans_loop_block, scop_max_loop_depth,
2533         graphite_trans_scop_block, graphite_apply_transformations,
2534         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2535         graphite-poly.c.
2536         * graphite-poly.h: New.
2537         * graphite-poly.c: New.
2538         * Makefile.in (OBJS-common): Add graphite-poly.o.
2539         (graphite-poly.o): New rule.
2540         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2541         (DR_SCOP): Removed.
2542
2543 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2544             Tobias Grosser  <grosser@fim.uni-passau.de>
2545
2546         * graphite.c: Replace gb -> gbb.
2547         * graphite.h: Same.
2548         * graphite-data-ref.c: Same.
2549
2550 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2551             Tobias Grosser  <grosser@fim.uni-passau.de>
2552
2553         * Makefile.in (OBJS-commmon): Add sese.o.
2554         (sese.o): New.
2555         (graphite.o): Add sese.h.
2556         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2557         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2558         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2559         Move to sese.
2560         (block_before_scop): Add missing return.
2561         (new_scop, free_scop): Remove SESE data structures.
2562         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2563         find_scop_parameters, build_loop_iteration_domains,
2564         add_conditions_to_domain, register_scop_liveout_renames,
2565         copy_bb_and_scalar_dependences): Scop -> SESE.
2566
2567         (add_conditions_to_domain): SCoP -> SESE and remove check
2568         (scop_contains_non_iv_scalar_phi_nodes): New.
2569         (build_scop_conditions_1, build_scop_conditions): Remove check for
2570         non iv scalar phi nodes.
2571         (print_scop_statistics): New.
2572         (graphite_transform_loops): Cleanup.
2573
2574         * graphite.h: Move to sese & cleanup.
2575         * sese.c: New.
2576         * sese.h: New.
2577
2578 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2579             Tobias Grosser  <grosser@fim.uni-passau.de>
2580
2581         * graphite.c (build_scop_conditions_1): Conditions are only
2582         at the end of a basic block.
2583
2584 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2585             Tobias Grosser  <grosser@fim.uni-passau>
2586
2587         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2588         field.
2589         (GBB_ALPHA): Removed.
2590
2591 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2592             Tobias Grosser  <grosser@fim.uni-passau.de>
2593
2594         * graphite-data-ref.c (graphite_test_dependence): Don't use
2595         GBB_DYNAMIC_SCHEDULE.
2596         * graphite.c (new_graphite_bb): Same.
2597         (free_graphite_bb): Same.
2598         (build_scop_dynamic_schedules): Removed.
2599         (graphite_transform_loops): Don't call it.
2600         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2601         (GBB_DYNAMIC_SCHEDULE): Removed.
2602
2603 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2604             Tobias Grosser  <grosser@fim.uni-passau.de>
2605
2606         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2607         (print_graphite_bb): Same.
2608         (build_cloog_prog): Same.
2609
2610 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2611             Tobias Grosser  <grosser@fim.uni-passau.de>
2612
2613         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2614
2615 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2616             Tobias Grosser  <grosser@fim.uni-passau.de>
2617
2618         * graphite.c (build_scop_context): Don't use CloogMatrix.
2619         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2620         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2621
2622 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2623             Tobias Grosser  <grosser@fim.uni-passau.de>
2624
2625         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2626         liveout_renames, add_params fields...
2627         (struct sese): ... here.
2628         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2629         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2630
2631 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2632             Tobias Grosser  <grosser@fim.uni-passau.de>
2633
2634         * graphite.c (print_scop): Do not print the CLooG program.
2635         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2636         build_cloog_prog, gloog): Don't use SCOP_PROG.
2637         (find_transform): Renamed scop_to_clast.
2638         (print_generated_program, debug_generated_program): New.
2639         (graphite_transform_loops): Adapt to new interface.
2640         * graphite.h (struct scop): Remove program field.
2641         (SCOP_PROG): Removed.
2642         (print_generated_program, debug_generated_program): Declared.
2643
2644 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2645
2646         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2647         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2648         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2649         free_graphite_bb, build_scop_canonical_schedules,
2650         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2651         schedules are now represented using a ppl_Linear_Expression_t.
2652         * graphite.h (struct graphite_bb): Same.
2653         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2654         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2655
2656 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         * graphite.c: Free local memory.
2659         * graphite-ppl.c: Same.
2660
2661 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2664         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2665         swap_constraint_variables, scale_constraint_variable): Removed.
2666         (graphite_trans_bb_strip_mine): Remove pong.
2667         * graphite-ppl.c: Include missing header files.
2668         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2669         * graphite-ppl.h (ppl_strip_loop): Declared.
2670         * Makefile.in (graphite-ppl.o): Adjust dependences.
2671
2672 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2675         (build_scop_iteration_domain): Same.
2676
2677 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2680         ping pong.
2681         (add_value_to_dim, scan_tree_for_params_right_scev,
2682         scan_tree_for_params_int): New.
2683         * graphite-ppl.c (oppose_constraint): New.
2684         (insert_constraint_into_matrix): Implement missing cases.
2685         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2686
2687 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2690         use ppl_move_dimension.
2691
2692 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2695         * graphite.c: Same.
2696         * graphite.h: Same.
2697         * graphite-ppl.c: Same.
2698         * graphite-ppl.h: Same.
2699
2700 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         Revert last 3 commits.
2703
2704 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2705
2706         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2707         ping pong.
2708         (add_value_to_dim, scan_tree_for_params_right_scev,
2709         scan_tree_for_params_int): New.
2710         * graphite-ppl.c (oppose_constraint): New.
2711         (insert_constraint_into_matrix): Implement missing cases.
2712         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2713
2714 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2717
2718 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2719             Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2722         use ppl_move_dimension.
2723         * graphite-ppl.c (ppl_move_dimension): New.
2724         * graphite-ppl.h (ppl_move_dimension): Declared.
2725
2726 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite.c: Do not include cloog/cloog.h.
2729         (print_graphite_bb): Remove ping pong, call PPL print function.
2730
2731 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2732
2733         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2734         (graphite.o): Add dependence on graphite-ppl.h.
2735         (graphite-ppl.o): New.
2736         (graphite-data-ref.c): Ping pong between PPL data structures
2737         and matrices.
2738         * graphite-ppl.c: New.
2739         * graphite-ppl.h: New.
2740         * graphite.c: Include graphite-ppl.h.
2741         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2742         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2743         Ping pong between PPL data structures and matrices.
2744         (new_graphite_bb): Create a PPL constraint system.
2745         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2746         (build_loop_iteration_domains): Use PPL functions.
2747         * graphite.h: Include graphite-ppl.h.  Fix comments.
2748         (graphite_bb): Use a ppl_Constraint_System_t instead of
2749         CloogMatrix for representing the domain.
2750         (scop): Remove static_schedule.
2751         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2752
2753 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * graphite.c: Fix some comments.
2756
2757 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2758
2759         PR middle-end/38953
2760         * graphite.c (if_region_set_false_region): After moving a region
2761         in the false branch of a condition, remove the empty dummy
2762         basic block.
2763         (gloog): Remove wrong fix for PR38953.
2764
2765 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2766
2767         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2768         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2769         register_bb_in_sese, new_sese, free_sese): Moved.
2770         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2771         outermost_loop_in_scop, build_scop_iteration_domain,
2772         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2773         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2774         Use loop_in_sese_p instead of loop_in_scop_p.
2775         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2776         (free_scop): Do not free SCOP_BBS_B.
2777         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2778         ref_nb_loops): Moved here...
2779         * graphite.h (ref_nb_loops): ... from here.
2780         (struct scop): Remove bbs_b bitmap.
2781         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2782         * testsuite/gcc.dg/graphite/scop-19.c: New
2783
2784 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2785
2786         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2787         detection.
2788
2789 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2790
2791         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2792         eq_loop_to_cloog_loop): Remove.
2793         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2794         * graphite.h (struct scop): Remove loop2cloog_loop.
2795         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2796
2797 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2798
2799         * opts.c (decode_options): Only add graphite options to O2
2800         if we compile with graphite enabled.
2801
2802 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         * Merge from mainline (r143163:143684).
2805
2806 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * graphite.c (debug_value): Removed.
2809         * graphite.h (debug_value): Removed.
2810
2811 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2814         after graphite: pass_copy_prop does not maintain a proper loop closed
2815         SSA form.  pass_copy_prop should be fixed.
2816
2817 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2820
2821 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2824         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2825         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2826         changed the CFG.
2827
2828 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite.c (gloog): Return true when code gen succeeded.
2831         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2832         the code of the function did not changed.  After cleanup_tree_cfg
2833         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2834         form.
2835
2836 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2839         gimple_call_lhs is NULL.
2840
2841 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2842             Tobias Grosser  <tobi.grosser@amd.com>
2843
2844         * graphite.c (graphite_trans_scop_block): Do not block single
2845         nested loops.
2846
2847 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2848             Tobias Grosser  <tobi.grosser@amd.com>
2849
2850         * graphite.c (build_scop_canonical_schedules): Start schedules at
2851         zero.
2852
2853 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2854             Tobias Grosser  <tobi.grosser@amd.com>
2855
2856         * graphite.c (compare_prefix_loops): New.
2857         (build_scop_canonical_schedules): Rewritten.
2858         (graphite_transform_loops): Move build_scop_canonical_schedules
2859         after build_scop_iteration_domain.
2860
2861 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2862             Tobias Grosser  <tobi.grosser@amd.com>
2863
2864         * graphite.c (add_conditions_to_domain): Add the loops to
2865         the dimension of the iteration domain.  Do copy the domain
2866         only when it exists.
2867         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2868         (add_conditions_to_constraints): New.
2869         (can_generate_code_stmt, can_generate_code): Removed.
2870         (gloog): Do not call can_generate_code.
2871         (graphite_transform_loops): Call add_conditions_to_constraints
2872         after building the iteration domain.
2873
2874 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2875             Tobias Grosser  <tobi.grosser@amd.com>
2876             Jan Sjodin  <jan.sjodin@amd.com>
2877
2878         * graphite.c (scan_tree_for_params): On substractions negate
2879         all the coefficients of the term.
2880         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2881         of more than two operands.
2882         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2883         (get_vdef_before_scop): Handle also the case of default definitions.
2884
2885 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2886
2887         PR middle-end/38431
2888         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2889         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2890         (gloog): Do not call cleanup_tree_cfg.
2891         (graphite_transform_loops): Call cleanup_tree_cfg after all
2892         scops have been code generated.
2893
2894 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2895
2896         * passes.c (init_optimization_passes): Schedule after
2897         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2898
2899 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2902         Fix comment.
2903         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2904         Set the type of an expression to the type of its assign statement.
2905         (expand_scalar_variables_expr):  Do not pass loop_p.
2906         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2907         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2908         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2909
2910 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2913         an expression to the gimple_expr_type of its assign statement.
2914         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2915         or tcc_declaration.
2916
2917 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         PR tree-optimization/38786
2920         * testsuite/gcc.dg/graphite/pr38786.c: New.
2921         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2922         the SSA_NAME case of expand_scalar_variables_expr.
2923         (expand_scalar_variables_expr): Also gather the scalar computation
2924         used to index the memory access.
2925         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2926         the gimple_stmt_iterator where it inserts new code.
2927
2928 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2931
2932 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2933
2934         * opts.c (decode_options): Enable flag_graphite_identity and
2935         flag_loop_block in -O2 and above.
2936
2937 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2940         Fix merge problem: replace with the file from trunk.
2941
2942 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2943
2944         * Merge from mainline (r141727:143163).
2945
2946 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2947             Jan Sjodin  <jan.sjodin@amd.com>
2948
2949         PR tree-optimization/38559
2950         * testsuite/gcc.dg/graphite/pr38559.c: New.
2951
2952         * graphite.c (debug_value, copy_constraint,
2953         swap_constraint_variables, scale_constraint_variable, ): New.
2954         (get_lower_bound, get_upper_bound): Removed.
2955         (graphite_trans_bb_strip_mine): Clean up this code that works
2956         only for constant number of iterations.  Fully copy upper and
2957         lower bound constraints, not only the constant part of them.
2958         * graphite.h (debug_value): Declared.
2959
2960 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2961
2962         PR tree-optimization/38492
2963         PR tree-optimization/38498
2964         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2965         * tree-chrec.h (scev_is_linear_expression): Declared.
2966         * graphite.c (graphite_cannot_represent_loop_niter): New.
2967         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2968         (graphite_loop_normal_form): Use gcc_assert.
2969         (scan_tree_for_params): Use CASE_CONVERT.
2970         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2971         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2972         Use gcc_assert.  Discard scops that contain unhandled cases.
2973         (build_scop_conditions): Return a boolean status for unhandled cases.
2974         (strip_mine_profitable_p): Print the loop number, not its depth.
2975         (is_interchange_valid): Pass the depth of the loop nest, don't
2976         recompute it wrongly.
2977         (graphite_trans_bb_block): Same.
2978         (graphite_trans_bb_block): Print tentative of loop blocking.
2979         (graphite_trans_scop_block): Do not print that the loop has been
2980         blocked.
2981         (graphite_transform_loops): Do not handle scops that contain condition
2982         scalar phi nodes.
2983
2984         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2985         in trunk.
2986         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2987         * testsuite/gcc.dg/graphite/block-1.c: Same.
2988         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2989         blocking.
2990         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2991         * testsuite/gcc.dg/graphite/block-3.c: New.
2992         * testsuite/gcc.dg/graphite/pr38498.c: New.
2993
2994 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2995
2996         PR tree-optimization/38510
2997         * gcc.dg/graphite/pr38510.c: New.
2998         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2999           (translate_clast): Call recompute_all_dominators before
3000           graphite_verify.
3001           (gloog): Call recompute_all_dominators before graphite_verify.
3002
3003 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3004
3005         PR tree-optimization/38492
3006         * graphite.c (rename_map_elt, debug_rename_elt,
3007         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3008         rename_map_elt_info, eq_rename_map_elts,
3009         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3010         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3011         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3012         (sese_build_livein_liveouts): New.
3013         (new_sese, free_sese): New.
3014         (new_scop): Call new_sese.
3015         (free_scop): Call free_sese.
3016         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3017         (register_old_new_names): Renamed register_old_and_new_names.
3018         (register_scop_liveout_renames, add_loop_exit_phis,
3019         insert_loop_close_phis, struct igp,
3020         default_liveout_before_guard, add_guard_exit_phis,
3021         insert_guard_phis, copy_renames): New.
3022         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3023         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3024         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3025         (scop_adjust_phis_for_liveouts): New.
3026         (gloog): Call scop_adjust_phis_for_liveouts.
3027
3028         * graphite.h (struct sese): Documented.  Added fields liveout,
3029         num_ver and livein.
3030         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3031         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3032         (struct scop): Added field liveout_renames.
3033         (SCOP_LIVEOUT_RENAMES): New.
3034
3035 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         PR tree-optimization/38409
3038         * gcc.dg/graphite/pr38409.c: New.
3039         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3040
3041 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * graphite.c (gcc_type_for_cloog_iv): By default return
3044         integer_type_node.
3045         (graphite_create_new_loop): Don't fold_convert the already
3046         fold_convert-ed expression.
3047
3048 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3049
3050         PR tree-optimization/38446
3051         * gcc.dg/graphite/pr38446.c: New.
3052         * graphite.c (register_bb_in_sese): New.
3053         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3054         looking at the bbs in the region.
3055         * graphite.h (sese): Add region_basic_blocks pointer set to
3056         structure and initialize at the time of defining new scop.
3057
3058 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3059
3060         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3061         (find_params_in_bb): Do not free data refs.
3062         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3063
3064 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3067         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3068         * testsuite/gcc.dg/graphite/block-5.c: New.
3069         * testsuite/gcc.dg/graphite/block-6.c: New.
3070         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3071         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3072         * testsuite/gcc.dg/graphite/block-2.c: Same.
3073
3074         * graphite.c (struct ivtype_map_elt): New.
3075         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3076         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3077         gcc_type_for_cloog_iv): New.
3078         (loop_iv_stack_patch_for_consts): Use the type of the induction
3079         variable from the original loop, except for the automatically
3080         generated loops, i.e., in the case of a strip-mined loop, in
3081         which case there is no original loop: in that case just use
3082         integer_type_node.
3083         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3084         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3085         (clast_name_to_gcc): Accept params to be NULL.
3086         (clast_to_gcc_expression): Take an extra parameter for the type.
3087         Convert to that type all the expressions built by this function.
3088         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3089         (graphite_translate_clast_equation): Compute the type of the
3090         clast_equation before translating its LHS and RHS.
3091         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3092         (graphite_create_new_loop): Compute the type of the induction
3093         variable before translating the lower and upper bounds and before
3094         creating the induction variable.
3095         (rename_variables_from_edge, rename_phis_end_scop): New.
3096         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3097         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3098         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3099         compute_cloog_iv_types): New.
3100         (gloog): Call compute_cloog_iv_types before starting the
3101         translation of the clast.
3102
3103         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3104         (GBB_CLOOG_IV_TYPES): New.
3105         (debug_ivtype_map): Declared.
3106         (oldiv_for_loop): New.
3107
3108 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3109
3110         PR middle-end/38459
3111         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3112         (param_index): Assert if parameter is not know after parameter
3113         detection.
3114         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3115         (find_scop_parameters): Mark, that we have finished parameter
3116         detection.
3117         (graphite_transform_loops): Move condition detection before parameter
3118         detection.
3119         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3120         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3121
3122 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3123
3124         * graphite.c (graphite_transform_loops): Always call find_transform ()
3125         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3126         generate code.
3127
3128 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3131         (print_scop): Ditto.
3132
3133 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3134
3135         PR middle-end/38084
3136         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3137         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3138         regions more than once.
3139
3140 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3143         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3144         when not needed.
3145
3146 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3147
3148         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3149         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3150         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3151         (max_precision_type): New.
3152         (value_clast): Removed.
3153         (clast_to_gcc_expression): Be more careful to types of expressions.
3154         Use max_precision_type and update use of gmp_cst_to_tree.
3155         (graphite_translate_clast_equation): Use max_precision_type.
3156         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3157         use the type of the condition.
3158         (graphite_create_new_loop): Do not use integer_type_node, use the
3159         max_precision_type of lb and ub.
3160
3161 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3162
3163         * graphite.c (build_scops_1): Initialize open_scop.exit
3164         and sinfo.last.
3165
3166 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * testsuite/gcc.dg/graphite/pr38084.c: New.
3169         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3170         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3171         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3172         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3173         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3174
3175 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3176             Jan Sjodin  <jan.sjodin@amd.com>
3177             Harsha Jagasia  <harsha.jagasia@amd.com>
3178
3179         PR middle-end/37852
3180         PR middle-end/37883
3181         PR middle-end/37928
3182         PR middle-end/37980
3183         PR middle-end/38038
3184         PR middle-end/38039
3185         PR middle-end/38073
3186         PR middle-end/38083
3187         PR middle-end/38125
3188
3189         * testsuite/gcc.dg/graphite/pr38073.c: New.
3190         * testsuite/gcc.dg/graphite/pr37928.c: New.
3191         * testsuite/gcc.dg/graphite/pr37883.c: New.
3192         * testsuite/gcc.dg/graphite/pr38125.c: New.
3193         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3194         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3195         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3196
3197         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3198         the number of detected scops.  Copy exact same test for loop
3199         blocking...
3200         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3201         loops to be blocked as reductions are not handled.
3202         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3203
3204         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3205         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3206         ...here.
3207         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3208         * Makefile.in (graphite.o): Depend on value-prof.h.
3209         (graphite.o-warn): Removed -Wno-error.
3210         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3211         to be a NULL pointer.  Call update_stmt.  Return the newly created
3212         cannonical induction variable.
3213
3214         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3215
3216         * graphite.c: Reimplement the code generation from graphite to gimple.
3217         Include value-prof.h.
3218         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3219         (get_old_iv_from_ssa_name): Removed.
3220         (graphite_stmt_p): New.
3221         (new_graphite_bb): Test for useful statements before building a
3222         graphite statement for the basic block.
3223         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3224         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3225         reason.
3226         (recompute_all_dominators, graphite_verify,
3227         nb_reductions_in_loop, graphite_loop_normal_form): New.
3228         (scop_record_loop): Call graphite_loop_normal_form.
3229         (build_scop_loop_nests): Iterate over all the blocks of the
3230         function instead of relying on the incomplete information from
3231         SCOP_BBS.  Return the success of the operation.
3232         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3233         (add_bb_domains): Removed.
3234         (build_loop_iteration_domains): Don't call add_bb_domains.
3235         Add the iteration domain only to the basic blocks that have been
3236         translated to graphite.
3237         (build_scop_conditions_1): Add constraints only if the basic
3238         block have been translated to graphite.
3239         (build_scop_data_accesses): Completely disabled until data
3240         dependence is correctly implemented.
3241         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3242         (remove_all_edges_1, remove_all_edges): Removed.
3243         (get_new_name_from_old_name): New.
3244         (graphite_rename_variables_in_stmt): Renamed
3245         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3246         Use replace_exp and update_stmt.
3247         (is_old_iv): Renamed is_iv.
3248         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3249         Use replace_exp and update_stmt.
3250         (expand_scalar_variables_expr): Same.  Use the map to get the
3251         new names for the renaming of induction variables and for the
3252         renaming of variables after a basic block has been copied.
3253         (expand_scalar_variables): Same.
3254         (graphite_rename_variables): Renamed rename_variables.
3255         (move_phi_nodes): Removed.
3256         (get_false_edge_from_guard_bb): New.
3257         (build_iv_mapping): Do not insert the induction variable of a
3258         loop in the renaming iv map if the basic block does not belong
3259         to that loop.
3260         (register_old_new_names, graphite_copy_stmts_from_block,
3261         copy_bb_and_scalar_dependences): New.
3262         (translate_clast): Heavily reimplemented: copy basic blocks,
3263         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3264         At each translation step call graphite_verify ensuring the
3265         consistency of the SSA, loops and dominators information.
3266         (collect_virtual_phis, find_vdef_for_var_in_bb,
3267         find_vdef_for_var_1, find_vdef_for_var,
3268         patch_phis_for_virtual_defs): Removed huge hack.
3269         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3270         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3271         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3272         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3273         if_region_get_condition_block, if_region_set_false_region,
3274         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3275         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3276         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3277         rewrite_into_sese_closed_ssa): New.
3278         (gloog): Remove dead code.  Early return if code cannot be
3279         generated.  Call cleanup_tree_cfg once the scop has been code
3280         generated.
3281         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3282         block loops with less than two loops.
3283         (graphite_apply_transformations): Remove the call to
3284         scop_remove_ignoreable_gbbs.
3285         (limit_scops): When build_scop_loop_nests fails, continue on
3286         the next scop.  Fix open_scop.entry.
3287         (graphite_transform_loops): Call recompute_all_dominators: force the
3288         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3289         Call initialize_original_copy_tables and free_original_copy_tables
3290         to be able to copy basic blocks during code generation.
3291         When build_scop_loop_nests fails, continue on next scop.
3292         (value_clast): New union.
3293         (clast_to_gcc_expression): Fix type cast warning.
3294
3295 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3296
3297         * Merge from mainline (r140838:141727).
3298
3299 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3300
3301         PR middle-end/37833
3302
3303         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3304
3305 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3306
3307         PR middle-end/37943
3308
3309         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3310         exits and conditions.
3311         * testsuite/gcc.dg/graphite/pr37943.c: New.
3312
3313 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3314
3315         PR middle-end/37886
3316         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3317
3318 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3319
3320         * doc/invoke.texi: Fix spaces.
3321
3322 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         PR tree-optimization/37891
3325         Reverted last commit.
3326         * graphite.c (create_single_entry_edge): Set
3327         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3328
3329 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3330             Mitul Thakkar  <mitul.thakkar@amd.com>
3331
3332         * graphite.c (create_single_entry_edge): Set
3333         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3334
3335 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3336
3337         * doc/invoke.texi: Add -fgraphite-identity.
3338         * graphite.c (graphite_apply_transformations): Check for
3339         -fgraphite-identity.
3340         * toplev.c (process_options): Add flag_graphite_identity.
3341         * tree-ssa-loop.c: Add flag_graphite_identity.
3342
3343 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3344
3345         Undo changes from 2008-10-02:
3346         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3347         operand type when copying the operand to a variable of different type.
3348         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3349         with the IV name after increment.
3350
3351 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3352             Harsha Jagasia  <harsha.jagasia@amd.com>
3353
3354         PR tree-optimization/37828
3355         * testsuite/gcc.dg/graphite/pr37828.c: New.
3356         * graphite.c (graphite_trans_loop_block): Do not loop block
3357         single nested loops.
3358
3359 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3360             Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3363         rename_map_elt_info, eq_rename_map_elts): New.
3364         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3365         (expand_scalar_variables_expr): Change parameters.
3366         (expand_scalar_variables_stmt): Same.
3367         (expand_scalar_variables): Same.
3368         (graphite_rename_ivs): Rename graphite_rename_variables.
3369         (build_iv_mapping): New.
3370         (translate_clast): Call build_iv_mapping.
3371         * graphite.h (gbb_p): New name.
3372
3373 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3374
3375         PR tree-optimization/37684
3376         * gcc.dg/graphite/pr37684.c: New.
3377         * graphite.c (exclude_component_ref): New.
3378         (is_simple_operand): Call exclude_component_ref.
3379
3380 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3381             Harsha Jagasia  <harsha.jagasia@amd.com>
3382
3383         PR tree-optimization/37485
3384         * gcc.dg/graphite/block-2.c: New
3385         * graphite.c (gmp_cst_to_tree): Moved.
3386         (iv_stack_entry_is_constant): New.
3387         (iv_stack_entry_is_iv): New.
3388         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3389         (loop_iv_stack_insert_constant): New.
3390         (loop_iv_stack_pop): Use new datatpype.
3391         (loop_iv_stack_get_iv): Same.
3392         (loop_iv_stack_get_iv_from_name): Same.
3393         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3394         (loop_iv_stack_patch_for_consts): New.
3395         (loop_iv_stack_remove_constants): New.
3396         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3397         (translate_clast): Call loop_iv_stack_patch_for_consts and
3398         loop_iv_stack_remove_constants.
3399         (gloog): Use new datatype.  Redirect construction edge to end
3400         block to avoid accidental deletion.
3401         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3402         iv stack entry.
3403         (union iv_stack_entry_data): New.  Data in iv stack entry.
3404         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3405
3406 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3407
3408         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3409         operand type when copying the operand to a variable of different type.
3410
3411 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3412
3413         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3414         with the IV name after increment.
3415
3416 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3417
3418         * Merge from mainline (r140164:140838).
3419
3420 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3421
3422         * graphite-data-ref.c: New.
3423         * graphite.c (print_scop): Also dump the dependence graph.
3424         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3425         (new_scop): Initialize SCOP_DEP_GRAPH.
3426         (build_scop_dynamic_schedules): New.
3427         (build_access_matrix_with_af): Fixed column numbering.
3428         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3429         * graphite.h: Add ifndef/define guards against multiple inclusion.
3430         (struct scop): Add dep_graph field.
3431         (SCOP_DEP_GRAPH): Defined.
3432         (ref_nb_loops): Fixed and moved to other position.
3433         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3434         (nb_loops_around_loop_in_scop): New.
3435         (graphite_dump_dependence_graph): Declared.
3436         (graphite_build_rdg_all_levels): Declared.
3437         (graphite_test_dependence): Declared.
3438         * Makefile.in (graphite-data-ref.o): New target.
3439
3440 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3441
3442         * Merge from mainline (139870:140164).
3443
3444 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         * Merge from mainline (138275:139870).
3447         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3448         the commits from trunk broke the niter detection.
3449
3450 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3451
3452         * graphite.c: Add more documentation.  Fix formatting.
3453         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3454         loop_iv_stack_debug): Moved...
3455         (schedule_to_scattering): Move before use.
3456         (dot_all_scops): Include in "#if 0" the code for system
3457         call dotty.
3458
3459         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3460         loop_iv_stack_debug): ...here.
3461
3462 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3463
3464         * tree-phinodes.c (make_phi_node): Extern.
3465         (add_phi_node_to_bb): New.
3466         (create_phi_node): Call add_phi_node_to_bb.
3467         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3468         (remove_statement): Handle case where stored phi was updated
3469         and is no longer the same.
3470         * graphite.c (is_parameter): New.
3471         (is_old_iv): New.
3472         (expand_scalar_variables_expr): New.
3473         (expand_scalar_variables_stmt): New.
3474         (expand_scalar_variables): New.
3475         (move_phi_nodes): Create new phi instead of moving old one.
3476         (translate_clast): Call expand_scalar_variables.
3477         (find_vdef_for_var_in_bb): Also scan regular definitions.
3478         (skip_phi_defs): New.
3479         (collect_scop_exit_phi_args): New.
3480         (patch_scop_exit_phi_args): New.
3481         (gloog): Patch phis after scop.
3482         * tree-flow.h: (add_phi_node_to_bb): Declared.
3483         (make_phi_node): Declared.
3484
3485 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3486
3487         * graphite.c (end_scop): Split the entry of the scop when it
3488         is the header of the loop in which the scop is ending.
3489         (build_scops_1, limit_scops): Update uses of end_scop.
3490
3491 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3492
3493         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3494         SCOP_ENTRY or SCOP_EXIT.
3495
3496 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3497
3498         * graphite.c (get_construction_edge): Removed.
3499         (gloog): Construction edge is the scop entry edge.
3500
3501 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite.c (can_generate_for_scop): Removed.
3504         (gloog): Do not call it.
3505
3506 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3507
3508         * graphite.c (new_scop): Entry of a scop is an edge.
3509         Initialize SESE region.
3510         (free_scop): Free SESE region.
3511         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3512         (split_difficult_bb): New, split from end_scop.
3513         (end_scop): Exit of a scop is an edge.
3514         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3515         not automatically updated and thus is always wrong.
3516         * graphite.h (struct sese): New.
3517         (SESE_ENTRY): New.
3518         (SESE_EXIT): New.
3519         (struct scop): New field for a SESE region.  Remove entry, exit.
3520         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3521         semantics as before.  Moved comment around.
3522
3523 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3524             Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         * graphite.c (graphite_transform_loops): Always enable gloog
3527         and find_transform when ENABLE_CHECKING.
3528
3529 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3530
3531         * graphite.c (graphite_transform_loops): Move pretty printer
3532         of SCOPs before doing any transform.  Remove call to print_scops
3533         and dot_all_scops_1.
3534
3535 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3536
3537         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3538         (print_graphite_bb): Same.
3539
3540 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * graphite.c (dot_all_scops_1): Cleanup.
3543         (move_scops): Fix comment.
3544
3545 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * graphite.c (build_scop_bbs): Revert commit 139355:
3548
3549         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3550                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3551
3552                 * graphite.c (build_scop_bbs): Factor up code.
3553
3554 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3555
3556         * graphite.c (gloog): Update dominator info.
3557
3558 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3559
3560         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3561
3562 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3565         initialization.
3566         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3567         (translate_clast): Correct formatting.
3568         * graphite.h (struct num_map): Removed.
3569         (struct graphite_bb): Remove num_map field.
3570         (GBB_INDEX_TO_NUM_MAP): Removed.
3571
3572 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3573
3574         * graphite.c (build_access_matrix_with_af): Fix comments.
3575         (build_scop_data_accesses): Same.
3576
3577 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3578
3579         * graphite.c (build_scop_data_accesses): Don't construct
3580         access matrices.  Add a FIXME and an assert condition that
3581         should pass when the access matrices will be needed.
3582
3583 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3586         really_constant_p.
3587         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3588         Moved close by free_graphite_bb.
3589         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3590         (new_scop): Move close by free_scop.
3591         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3592
3593 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3594
3595         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3596         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3597         instead of recursive call.
3598         (graphite_translate_clast_equation): New.
3599         (graphite_create_guard_cond_expr): New.
3600         (graphite_create_new_guard): New.
3601         (get_stack_index_from_iv): Removed.
3602         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3603         (get_true_edge_from_guard_bb): New.
3604         (translate_clast): Handle stmt_guard in clast.
3605         (get_construction_edge): Allow construction edge detection for
3606         a scope entry with multiple predecessors if one predecessor is
3607         the immediate dominator of scope entry.
3608         (can_generate_code_stmt): Enable code generation for clast_guard.
3609         (gloog): Use correct context loop.  Removed check for post dominators.
3610         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3611
3612 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3613
3614         * graphite.c (remove_dead_loops): Document better which
3615         loops are removed.
3616
3617 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3618
3619         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3620         and PPLINC.
3621         (graphite.o): Also depends on pointer-set.h.
3622
3623 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3624
3625         * graphite.c (scop_record_loop): Fix compile warning.
3626
3627 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3628             Sebastian Pop  <sebastian.pop@amd.com>
3629
3630         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3631
3632 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3633
3634         * graphite.c (build_graphite_bb): Initialize bb->aux to
3635         point to the graphite_bb_p.
3636         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3637         content of bb->aux.
3638         (add_bb_domains): Does not use the scop parameter.
3639         (graphite_transform_loops): Clean bb->aux at the end.
3640
3641 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3642             Sebastian Pop  <sebastian.pop@amd.com>
3643
3644         * testsuite/lib/target-supports.exp
3645         (check_effective_target_fgraphite): New.
3646
3647         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3648         check_effective_target_fgraphite returns false.
3649         Set dg-do-what-default to compile.
3650         (scan-graphite-dump-times): Removed.
3651         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3652
3653         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3654         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3655         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3656         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3657         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3658         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3659         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3660         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3661         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3662         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3663         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3664         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3665         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3666         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3667         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3668         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3669         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3670         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3671         * testsuite/gcc.dg/graphite/block-0.c: Same.
3672         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3673         * testsuite/gcc.dg/graphite/block-1.c: Same.
3674         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3675         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3676         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3677         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3678         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3679
3680 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * graphite.c: Fix some XXX comments.
3683         (build_scop_dynamic_schedules): Removed.
3684
3685 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3686
3687         * graphite.h (scop_max_loop_depth): Moved...
3688         * graphite.c (scop_max_loop_depth): ...here.
3689         (remove_all_edges_1): New.
3690         (remove_all_edges): Factored code.
3691         (remove_cond_exprs): Check only the last statement for
3692         a GIMPLE_COND expression.
3693
3694 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3695
3696         * graphite.c (scan_tree_for_params): Early return when the
3697         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3698         (find_scop_parameters): Factor out code.
3699         (graphite_trans_bb_strip_mine): Remove dead code.
3700
3701 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3704         graphite_trans_bb_move_loop): Factor asserts.
3705         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3706         Do not call calculate_dominance_info and estimate_bb_frequencies.
3707
3708 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3709
3710         * graphite.c (create_loops_mapping, free_loops_mapping,
3711         create_loops_mapping_num, debug_loop_mapping_1,
3712         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3713         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3714         graphite_loops_mapping_add_child_num,
3715         graphite_loops_mapping_insert_child,
3716         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3717         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3718         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3719         create_num_from_index, get_num_from_index,
3720         swap_loop_mapped_depth): Removed.
3721         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3722         (free_scop): Do not call free_loops_mapping.
3723         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3724         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3725         get_loop_mapped_depth.
3726         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3727         (graphite_trans_bb_strip_mine): Same.
3728         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3729         (struct scop): Remove field loops_mapping.
3730
3731 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3732             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3733
3734         * graphite.c (scop_record_loop): Factor out one level of the
3735         condition by early return.
3736         (build_scop_loop_nests): Format following FSF coding style.
3737         (build_scop_dynamic_schedules): Factor out code.
3738         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3739
3740 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3741             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3742
3743         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3744         assignments that are not handled as simple operands for now.
3745
3746 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3747             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3748
3749         * graphite.c (build_scop_bbs): Factor up code.
3750
3751 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3752             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3753
3754         * graphite.c (stmt_simple_for_scop_p): Factor code out
3755         of the loop.
3756         (enum gbb_type): New.  Group all the GBB_* types under it.
3757         (is_loop_exit): Moved...
3758         (end_scop): Enable BB spliting.
3759         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3760         * cfgloop.h (is_loop_exit): Declared.
3761
3762 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3763
3764         * doc/invoke.texi: Remove strides from examples containing
3765         DO loops when the strides are equal to 1.
3766
3767 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3768             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3769
3770         * graphite.c (graphite_trans_scop_block): Or the result with
3771         the result from graphite_trans_loop_block.
3772         * testsuite/gcc.dg/graphite/block-1.c: New.
3773         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3774         * testsuite/gfortran.dg/graphite/block-2.f: New.
3775
3776 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * graphite.c (graphite_transform_loops): Call cloog_initialize
3779         and cloog_finalize.
3780
3781 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3782
3783         * tree-data-ref.c) (stmt_simple_memref_p): New.
3784         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3785         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3786         (is_simple_operand): Call stmt_simple_memref_p.
3787
3788         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3789         using pointer arithmetic, as this is optimized by PRE and
3790         makes the code too difficult to analyze.
3791
3792         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3793
3794 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3795
3796         * gdbinit.in (pgg): New.
3797
3798 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3799
3800         * graphite.c (graphite_trans_loop_block): Fix warning.
3801
3802 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3803
3804         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3805
3806 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3807
3808         * graphite.c (graphite_trans_bb_block): Remove check for
3809         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3810         Check if loop blocking is profitable for every loop, before applying
3811         the changes.
3812         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3813         if flag_loop_block is set.
3814
3815 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3816
3817         * graphite.c: Add some more documentation for the loop
3818         mapping.
3819
3820 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3823         * graphite.c: Format on less than 80 columns.
3824         * graphite.h: Same.
3825
3826 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3829
3830 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         * doc/invoke.texi (floop-block, floop-strip-mine,
3833         floop-interchange): Update documentation with examples.
3834
3835 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3836
3837         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3838         add_referenced_var.
3839         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3840
3841 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3842
3843         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3844         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3845         * tree-scalar-evolution.c: Revert useless changes.
3846         * tree-phinodes.c: Same.
3847         * cfghooks.c: Same.
3848         * vec.h: Same.
3849         * tree-vectorizer.h: Same.
3850         * tree-flow.h: Same.
3851         * tree-cfg.c: Same.
3852         * common.opt (fgraphite): Update documentation.
3853
3854 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3855
3856         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3857         -floop-interchange): Add more text for explaining what each of these
3858         flags is doing.
3859         * tree-into-ssa.c (gimple_vec): Moved to...
3860         * graphite.c: Include gimple.h.
3861         (gimple_vec): Moved to...
3862         (del_loop_to_cloog_loop): Removed.
3863         (loop_affine_expr): Do not call create_data_ref when the
3864         operand is a constant.
3865         (new_scop): Use free instead of del_loop_to_cloog_loop.
3866         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3867         * gimple.h (gimple_vec): ... here.
3868
3869 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3870
3871         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3872         latch executions.
3873         (build_loop_iteration_domains): Fail, if latch executions unknown.
3874
3875 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3876
3877         * graphite.c (add_conditions_to_domain): New.
3878         (build_scop_conditions_1): Call add_conditions_to_domain.
3879         (set_cloog_options): Allow to disable optimizations.
3880
3881 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3882
3883         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3884         Do not use walk_dominator_tree.
3885         (find_scop_parameters): Do not use walk_dominator_tree.
3886
3887 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3888
3889         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3890         (idx_record_params): Adapt.
3891         * graphite.h (scop_gimple_loop_depth): New.
3892
3893 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3894
3895         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3896         (scan_tree_for_params): Remove value_init.
3897         (build_scop_context): Remove value_init.
3898     &nbs