gcc/ChangeLog.graphite

   1 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42681
   4         * graphite-clast-to-gimple.c (gloog_error): New static variable.
   5         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
   6         Set gloog_error when such an expression failed to be built.
   7         (translate_clast): Early return when gloog_error is set.
   8         (gloog): Clear gloog_error.  When gloog_error is set, call
   9         set_ifsese_condition to enable the original code.  Return the status
  10         of the code generation based on gloog_error.
  11         * sese.c (set_ifsese_condition): New.
  12         * sese.h (set_ifsese_condition): Declared.
  13
  14         * testsuite/g++.dg/graphite/pr42681.C: New.
  15
  16 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         PR middle-end/42732
  19         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
  20         rename_nb_iterations.
  21         * sese.c (rename_variables_in_operand): New.
  22         (rename_variables_in_expr): New.
  23         (rename_nb_iterations): New.
  24         (sese_adjust_liveout_phis): Update the rename_map.
  25         * sese.h (rename_nb_iterations): Declared.
  26         * tree-scalar-evolution.c (scev_reset_htab): New.
  27         (scev_reset): Call scev_reset_htab.
  28         * tree-scalar-evolution.h (scev_reset_htab): Declared.
  29
  30         * testsuite/gfortran.dg/graphite/pr42732.f: New.
  31
  32 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         PR middle-end/42393
  35         * graphite-clast-to-gimple.c: Fix formatting.
  36         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
  37         (expr_defined_in_loop_p): New.
  38         (add_loop_exit_phis): Also handle full expressions: remove from
  39         the rename_map the expressions defined in the loop that we're closing.
  40
  41         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
  42         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
  43         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
  44         make this testcase useful in the Graphite branch.
  45
  46 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  47
  48         * graphite-scop-detection.c (exclude_component_ref): Removed.
  49         (is_simple_operand): Removed.
  50         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
  51
  52 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  53
  54         PR middle-end/42221
  55         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  56         the array indexing of ADDR_EXPRs.
  57
  58         * testsuite/gcc.dg/graphite/pr42221.c: New.
  59
  60 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         PR middle-end/42521
  63         * graphite.c (graphite_finalize): Call scev_reset.
  64         (graphite_transform_loops): Do not call scev_reset between the code
  65         generation of scops.
  66
  67         * testsuite/gcc.dg/graphite/pr42521.c: New.
  68
  69 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-interchange.c (memory_stride_in_loop): Renamed
  72         pdr_stride_in_loop.
  73         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
  74         (memory_strides_in_loop): Memoize the memory strides per loop.
  75         (lst_interchange_profitable_p): Do not initialize to zero the memory
  76         strides.
  77         * graphite-poly.h (struct lst): Add a field memory_strides.
  78         (LST_LOOP_MEMORY_STRIDES): New.
  79         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
  80         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
  81
  82 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
  85         memory_strides_in_loop.  Gather memory strides on a whole loop.
  86         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
  87         (lst_interchange_profitable_p): Removed.
  88         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
  89
  90 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  93         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
  94         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
  95         Remove context_loop and level.
  96
  97 2010-01-07  Richard Guenther  <rguenther@suse.de>
  98
  99         PR tree-optimization/42641
 100         * sese.c (rename_map_elt_info): Use the SSA name version, do
 101         not hash pointers.
 102
 103 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 104
 105         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 106         blocked" only when both the strip mine and the interchange have
 107         been applied.
 108
 109         * testsuite/gcc.dg/graphite/block-2.c: Removed.
 110         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
 111         * testsuite/gcc.dg/graphite/block-4.c: Same.
 112         * testsuite/gcc.dg/graphite/block-5.c: Same.
 113         * testsuite/gcc.dg/graphite/block-6.c: Same.
 114
 115 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 118         before allocating a new one.
 119         (copy_renames): Check that slot is not NULL.
 120         (mark_bb_with_pbb): Same.
 121         (compute_cloog_iv_types_1): Same.
 122         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 123         nest, and after LSTs.
 124         (lst_try_interchange_loops): Same.
 125
 126 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         PR middle-end/42178
 129         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 130         the before, nest, and after LSTs.
 131         (lst_try_interchange): Removed.
 132         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 133         were modified.
 134         (lst_interchange_select_outer): Apply interchange on the outer loop
 135         until there are no more changes in the inner loops.
 136
 137 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 138
 139         Revert patch fixing PR middle-end/42221.
 140
 141 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 142
 143         PR middle-end/42180
 144         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 145         GIMPLE_CALL.
 146
 147         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 148
 149 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         PR middle-end/42180
 152         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 153         that contain only one statement.
 154
 155         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 156
 157 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 158
 159         PR middle-end/42393
 160         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 161
 162 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         PR middle-end/42186
 165         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 166
 167 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         PR middle-end/42205
 170         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 171         Insert the reduction copy in the same block as the phi node.
 172         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 173
 174         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 175         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 176
 177 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         PR middle-end/42221
 180         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 181         the array indexing of ADDR_EXPRs.
 182
 183         * testsuite/gcc.dg/graphite/pr42221.c: New.
 184
 185 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         PR middle-end/42178
 188         PR middle-end/42334
 189         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 190         index.  Call lst_interchange_select_inner only once.
 191         (lst_interchange_select_inner): Update use of lst_try_interchange.
 192         (lst_interchange_select_outer): Update.
 193
 194 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 195
 196         PR middle-end/42178
 197         PR middle-end/42334
 198         * graphite-interchange.c (lst_try_interchange): Do not increment the
 199         the OUTER index when there is no AFTER kernel.  Do not increment the
 200         OUTER index for after processing the AFTER kernel.
 201         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 202         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 203         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 204         (scop_do_interchange): Update use of lst_interchange_select_outer.
 205
 206         * testsuite/gfortran.dg/graphite/graphite.exp
 207         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 208         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 209         the graphite dump file.
 210         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 211         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 212
 213 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 214
 215         PR middle-end/42178
 216         PR middle-end/42334
 217         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 218         that are empty.
 219         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 220         (lst_try_interchange): Reimplemented.
 221         (lst_interchange_select_inner): Same.
 222         (lst_do_interchange): Renamed lst_interchange_select_outer.
 223         Reimplemented.
 224         (scop_do_interchange): Update use of lst_interchange_select_outer.
 225
 226         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 227         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 228         * testsuite/gcc.dg/graphite/pr42211.c: New.
 229         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 230
 231 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         PR middle-end/42181
 234         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 235         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 236
 237         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 238
 239 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 240
 241         PR middle-end/42284
 242         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 243         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 244         (detect_commutative_reduction_arg): Simplified.
 245         (detect_commutative_reduction): Early return when the argument of
 246         the close phi is not of an SSA_NAME.
 247
 248         * testsuite/gcc.dg/graphite/pr42284.c: New.
 249
 250 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 251
 252         * dbgcnt.def (graphite_scop): New counter.
 253         * graphite.c: Include dbgcnt.h
 254         (graphite_transform_loops): Use new counter to limit transformations.
 255
 256 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 257
 258         PR middle-end/42285
 259         * graphite-scop-detection.c (graphite_can_represent_init): Also
 260         handle more complex MULT_EXPRs containing parameters by recursion
 261         on the structure.
 262
 263         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 264
 265 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 266
 267         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 268
 269 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 270
 271         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 272
 273 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 274
 275         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 276         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 277
 278 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 279
 280         PR middle-end/42130
 281         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 282         translate_clast_for_loop): New.
 283         (translate_clast_for): Add a condition around the loop, to do not
 284         execute loops with zero iterations.
 285         * testsuite/g++.dg/graphite/pr42130.C: New.
 286         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 287
 288 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 289
 290         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 291         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 292         Remove context_loop and level.
 293
 294 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 295
 296         * graphite-clast-to-gimple.c (translate_clast_user,
 297         translate_clast_for, translate_clast_guard): Simplify and move common
 298         elements to translate_clast().
 299         (translate_clast): Simplify and get common elements.
 300
 301 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 302
 303         * graphite-clast-to-gimple.c (translate_clast_user,
 304         translate_clast_for, translate_clast_guard): Split out of
 305         translate_clast.
 306
 307 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 308
 309         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 310         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 311         debug_clast_name_indexes_1, debug_clast_name_indexes,
 312         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 313         (clast_name_to_gcc, clast_to_gcc_expression,
 314         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 315         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 316         graphite_create_guard_cond_expr, graphite_create_new_loop,
 317         translate_clast): Add params_index.
 318         (initialize_cloog_names): Create parameter strings from scratch, do
 319         not reference other strings.
 320         (create_params_index): New.
 321         (gloog): Initialize params_index.
 322         * graphite-scop-detection (free_scops_1): Removed.
 323         (limit_scops): Use normal free_scops.
 324         * graphite-sese-to-poly.c (save_var_names): Removed.
 325         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 326         and SESE_PARAMS_INDEX.
 327         * sese.c (new_sese, free_sese): Dito.
 328         * sese.h (struct sese): Remove params_index, params_names.
 329         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 330
 331 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 332
 333         Revert the following patch from 2009-09-14:
 334         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 335         tree-scalar-evolution.h, and then tree-data-ref.h.
 336         * graphite-clast-to-gimple.c: Same.
 337         * graphite-dependences.c: Same.
 338         * graphite-interchange.c: Same.
 339         * graphite-poly.c: Same.
 340         * graphite-scop-detection.c: Same.
 341         * graphite-sese-to-poly.c: Same.
 342         * graphite.c: Same.
 343         * lambda-code.c: Same.
 344         * matrix-reorg.c: Same.
 345         * tree-data-ref.c: Same.
 346         * tree-if-conv.c: Same.
 347         * tree-loop-distribu: Same.: Same.
 348         * tree-loop-linear.c: Same.
 349         * tree-parloops.c: Same.
 350         * tree-predcom.c: Same.
 351         * tree-vect-patterns.c: Same.
 352
 353 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 354
 355         Revert patch from 2009-09-14.
 356         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 357         passes at -O1 and below.
 358
 359 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 360
 361         PR middle-end/40281
 362         * testsuite/gcc.dg/graphite/pr40281.c: New.
 363
 364         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 365         evolutions should not variate in inner loops.
 366
 367 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 368
 369         PR middle-end/42050
 370         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 371
 372 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 375         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 376
 377 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         * graphite-blocking.c (scop_do_block): New.
 380         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 381         * graphite-poly.h (scop_do_block): Declared.
 382
 383 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 384
 385         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 386         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 387         to transform depth into the time_depth before calling
 388         pbb_number_of_iterations_at_time.
 389         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 390         lst_depth.
 391
 392 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         Reverted the patch for "scattering permutations" from 2009-10-28.
 395
 396         * graphite-poly.c (print_permutation): New.
 397         (debug_permutation): New.
 398         (new_poly_bb): Initialize PBB_PERMUTATION.
 399         (free_poly_bb): Free PBB_PERMUTATION.
 400         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 401         (struct pbb_permutation_elt): New.
 402         (PBB_PERMUTATION_ELT_STRIDE): New.
 403         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 404         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 405         (new_pbb_permutation_elt): New.
 406         (pbb_permutation_elt_free): New.
 407         (struct poly_bb): Add field permutation.
 408         (PBB_PERMUTATION): New.
 409         (print_permutation): Declared.
 410         (debug_permutation): Declared.
 411
 412 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 413
 414         * graphite-interchange.c (build_partial_difference): New.
 415         (memory_stride_in_loop): Refactored the computation of
 416         equality constraints into build_partial_difference function.
 417         Added support for debugging stride computations.
 418
 419 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * graphite-clast-to-gimple.c (gloog): Free if_region,
 422         if_region->true_region, and if_region->region.
 423         * sese.c (if_region_set_false_region): Free if_region->false_region.
 424         (create_if_region_on_edge): Do not use GGC_NEW.
 425         (move_sese_in_condition): Remove useless initialization.
 426
 427 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 428
 429         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 430         for the loops created by the loop distribution.  Do not modify the
 431         input LSTs.
 432         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 433         transformed schedule.  Call lst_update_scattering before data
 434         dependence analysis.
 435         (lst_try_interchange): Pass an extra parameter INDEX.
 436         (lst_do_interchange_1): New.
 437         (lst_do_interchange): Call lst_do_interchange_1.
 438         (scop_do_interchange): Call lst_update_scattering.
 439         * graphite-poly.c (apply_poly_transforms): Do not call
 440         lst_update_scattering.
 441         * graphite-poly.h (lst_pred): New.
 442         (lst_succ): New.
 443         (lst_find_first_pbb): Return NULL when not found.
 444         (lst_empty_p): New.
 445         (lst_insert_in_sequence): Allow LST1 to be NULL.
 446         (lst_replace): New.
 447         (lst_substitute_3): New.
 448         * gcc.dg/graphite/interchange-1.c: XFail.
 449         * gcc.dg/graphite/interchange-8.c: XFail.
 450         * gcc.dg/graphite/interchange-11.c: XFail.
 451
 452 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         * graphite-interchange.c (lst_perfectly_nested_p): New.
 455         (lst_perfect_nestify): New.
 456         (lst_try_interchange_loops): Call store_lst_schedule,
 457         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 458         (scop_do_interchange): Avoid redundant legality test.
 459         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 460         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 461         * graphite-poly.h (psct_static_dim): New.
 462         (lst_dewey_number_at_depth): New.
 463         (lst_find_pbb): Restructured.
 464         (lst_find_first_pbb): Restructured.
 465         (lst_find_last_pbb): New.
 466         (lst_contains_p): New.
 467         (lst_contains_pbb): New.
 468         (lst_create_nest): New.
 469         (lst_remove_from_sequence): New.
 470         (pbb_update_scattering): New.
 471         (lst_update_scattering_under): New.
 472         (lst_update_scattering_seq): New.
 473         (lst_update_scattering): New.
 474         (lst_insert_in_sequence): New.
 475         (lst_distribute_lst): New.
 476         (lst_remove_all_before_including_pbb): New.
 477         (lst_remove_all_before_excluding_pbb): New.
 478
 479 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 480
 481         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 482         get_loop_exit_edges.
 483
 484 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 485
 486         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 487
 488 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 489
 490         * graphite-poly.c (print_permutation): New.
 491         (debug_permutation): New.
 492         (new_poly_bb): Initialize PBB_PERMUTATION.
 493         (free_poly_bb): Free PBB_PERMUTATION.
 494         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 495         (struct pbb_permutation_elt): New.
 496         (PBB_PERMUTATION_ELT_STRIDE): New.
 497         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 498         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 499         (new_pbb_permutation_elt): New.
 500         (pbb_permutation_elt_free): New.
 501         (struct poly_bb): Add field permutation.
 502         (PBB_PERMUTATION): New.
 503         (print_permutation): Declared.
 504         (debug_permutation): Declared.
 505
 506 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * graphite-clast-to-gimple.c (gloog): Do not call
 509         sese_reset_aux_in_loops.
 510         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 511         extra argument for domains.  Do not use loop->aux.
 512         (build_scop_iteration_domain): Initialize and free domains, pass it
 513         to build_loop_iteration_domains and extract the information from
 514         domains.  Do not use loop->aux.
 515         * sese.c (sese_reset_aux_in_loops): Removed.
 516         * sese.h (sese_reset_aux_in_loops): Removed.
 517
 518 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 519
 520         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 521         (dependency_in_loop_p): Same.
 522         (translate_clast): Do not use loop->aux.  Initialize
 523         loop->can_be_parallel.
 524         (mark_loops_parallel): Removed.
 525         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 526         * graphite.c (free_aux_in_new_loops): Removed.
 527         (graphite_finalize): Do not call free_aux_in_new_loops.
 528         (graphite_transform_loops): Do not call mark_loops_parallel.
 529
 530 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 531
 532         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 533         (translate_clast): Pass an extra parameter LEVEL.
 534         Call get_scattering_level.
 535         * graphite-clast-to-gimple.h (get_scattering_level): New.
 536
 537 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 540         * cfgloop.h (struct loop): New field single_iv.
 541
 542         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 543         loop->aux anymore: use loop->single_iv.
 544         (graphite_loop_normal_form): Moved...
 545         (build_graphite_loop_normal_form): Removed.
 546         (gloog): Do not call build_graphite_loop_normal_form.
 547         (free_aux_in_new_loops): Moved...
 548         (mark_loops_parallel): Restructure.
 549         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 550         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 551         (scop_canonicalize_loops): New.
 552         (build_poly_scop): Call scop_canonicalize_loops.
 553         * graphite.c (free_aux_in_new_loops): ...here.
 554
 555 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * g++.dg/graphite/graphite.exp: Add the same rules as in
 558         gcc.dg/graphite/graphite.exp.
 559
 560 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 561
 562         * g++.dg/graphite/id-1.C: New.
 563
 564 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 567         argument base_name.
 568         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 569         (rewrite_phi_out_of_ssa): Same.
 570         (rewrite_cross_bb_scalar_deps): Same.
 571         (translate_scalar_reduction_to_array): Same.
 572
 573 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 576         dump_alias_graphs.
 577
 578 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 581         (build_scop_drs): Call dump_alias_graphs.
 582
 583 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 586         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 587         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 588         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 589         * graphite-poly.h (free_lst): New.
 590         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 591         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 592
 593 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-poly.h (struct scop): Add a field saved_schedule.
 596         (SCOP_SAVED_SCHEDULE): New.
 597         (store_lst_schedule): New.
 598         (restore_lst_schedule): New.
 599         (store_scattering): Call store_lst_schedule.
 600         (restore_scattering): Call restore_lst_schedule.
 601
 602 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 605         (pdr_add_alias_set): Same.
 606         (build_poly_dr): Same.
 607         (build_alias_set_optimal_p): Same.
 608         (build_base_obj_set_for_drs): Same.  Do not store the result of
 609         graphds_dfs.
 610
 611 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 614         all_components_are_cliques to 1.
 615
 616 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 617
 618         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 619         the new structure.
 620         (pdr_add_alias_set): Update retrieving alias_set_num.
 621         (build_poly_dr): Update retrieving dr_base_object_set.
 622         (partition_drs_to_sets): Remove.
 623         (build_alias_set_optimal_p): New.
 624         (build_alias_set_for_drs): Rename.
 625         (build_scop_drs): Update.
 626         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 627         (ALIAS_SET_INDEX): Remove.
 628         (BASE_OBJECT_SET_INDEX): Remove.
 629
 630 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 631
 632         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 633
 634 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 637         loop upper bounds for 1-element arrays at end of structures.
 638         * tree-flow.h (array_at_struct_end_p): Declared.
 639         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 640
 641 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         * g++.dg/graphite/pr41305.C: New.
 644
 645 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 646
 647         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 648         construction of parameter constraints from loop iteration analysis.
 649         * gcc.dg/graphite/run-id-2.c: New test.
 650
 651 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 654         and new_cstr.
 655
 656 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 657
 658         * graphite-dependences.c (dependence_polyhedron_1): Remove
 659         unused gdim dimensions from the DDR polyhedron.
 660
 661 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-dependences.c (pddr_transformed_scattering): New.
 664         (dot_original_deps_stmt_1): New.
 665         (dot_transformed_deps_stmt_1): New.
 666         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 667         dot_transformed_deps_stmt_1.
 668         (dot_original_deps): New.
 669         (dot_transformed_deps): New.
 670         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 671
 672 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         * graphite-dependences.c (reduction_dr_1): Remove wrong
 675         assert: reduction BBs can have multiple reduction writes
 676         to memory.  interchange-3.f90 is an example.
 677
 678 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 679
 680         * gfortran.dg/graphite/interchange-3.f90: New.
 681
 682 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 685
 686 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 687
 688         * graphite-dependences.c (dependence_polyhedron_1): Add the
 689         context to the dependence polyhedron.
 690
 691 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 694         PBB_PDR_DUPLICATES_REMOVED.
 695         (new_poly_bb): Same.
 696
 697 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 698
 699         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 700         SCOP_CONTEXT.
 701         (build_loop_iteration_domains): Extract bounds on parameters
 702         based on the data size.
 703         (build_scop_context): Do not initialize SCOP_CONTEXT;
 704         add new constraints.
 705
 706 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 707
 708         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 709         * graphite-ppl.h (graphite-ppl.h): Declared.
 710
 711 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         * graphite-ppl.c (ppl_print_linear_expr): New.
 714         (debug_ppl_linear_expr): New.
 715         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 716         (debug_ppl_linear_expr): Declared.
 717
 718 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * graphite-interchange.c: Fix comments.
 721         * gcc.dg/graphite/block-1.c: Fix comments.
 722
 723 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 726         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 727
 728 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         Reapply the patch from Alexander Monakov that disappeared during
 731         the last merges from trunk.
 732
 733         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 734
 735         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 736         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 737
 738 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 739
 740         * graphite-interchange.c (memory_stride_in_loop): The depth
 741         argument corresponds to a dynamic time dimension, so use
 742         psct_dynamic_dim to refer to the transformed scattering dimension.
 743
 744 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 747
 748 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 751         root of the LST.
 752         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 753         the root of the LST.
 754         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 755         fake loop.
 756         (print_lst): Print the root of LST in a different format.
 757         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 758
 759 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 760
 761         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 762
 763 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * doc/passes.texi: Document the Graphite infrastructure.
 766
 767 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 768
 769         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 770         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 771         and check the SSA representation.
 772
 773         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 774
 775 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 776
 777         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 778
 779 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * gcc.dg/graphite/interchange-11.c: New.
 782
 783 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 786
 787 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 790         Add -fno-loop-strip-mine and -fno-loop-interchange.
 791         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 792         -fno-loop-strip-mine.
 793         * gfortran.dg/graphite/graphite.exp: Same.
 794
 795 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 796
 797         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 798         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 799         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 800         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 801         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 802         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 803         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 804         DEFAULT_FLAGS_GRAPHITE_SCOP.
 805         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 806         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 807
 808 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 809
 810         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 811
 812 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 813             Sebastian Pop  <sebastian.pop@amd.com>
 814
 815         * graphite-interchange.c (build_linearized_memory_access): Pass an
 816         offset as parameter.
 817         (memory_stride_in_loop): Include transform scattering in the
 818         access functions to be able to querry the strides in the
 819         transformed loops.
 820         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 821         not the psct_iterator_dim.
 822
 823 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 826         (lst_do_strip_mine_loop): New.
 827         (lst_do_strip_mine): New.
 828         (scop_do_strip_mine): Call lst_do_strip_mine.
 829         * graphite-poly.h (lst_add_loop_under_loop): New.
 830         (lst_find_first_pbb): New.
 831
 832 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 833
 834         * graphite-poly.c (loop_to_lst): Fix LST creation.
 835
 836 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 837
 838         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 839         sizeof(unsigned long) to make it run on 32bit systems.
 840
 841 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 842
 843         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 844         SEGFAULT on 32bit.
 845
 846 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 847
 848         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 849         Comment.
 850         (write_alias_graph_to_ascii_dot): New.
 851         (write_alias_graph_to_ascii_ecc): Ditto.
 852         (partition_drs_to_sets): Add testing of optimality of current method
 853         which assigns alias numbers according to DFS Comopnent number.  used
 854         as heuristic for the upcoming ECC algorithm.
 855         (build_scop_drs): Write to file also with the ecc and dot format.
 856
 857 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 858
 859         * gfortran.dg/graphite/interchange-1.f: XFail.
 860
 861 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * graphite.c (graphite_initialize): Do not handle functions with
 864         more than 100 basic blocks.
 865
 866 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 867
 868         * graphite-blocking.c (pbb_do_strip_mine): Use
 869         PARAM_LOOP_BLOCK_TILE_SIZE.
 870
 871 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-poly.c (dot_lst_1): New.
 874         (dot_lst): New.
 875         * graphite-poly.h (dot_lst): Declared.
 876
 877 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 878
 879         * graphite-dependences.c (dot_deps_stmt_1): New.
 880         (dot_deps_stmt): New.
 881         * graphite-dependences.h (dot_deps_stmt): Declared.
 882
 883 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 886         not replace cross BB scalar dependences ending on PHI nodes.
 887         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 888
 889 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * graphite-poly.c (apply_poly_transforms): Implement the high
 892         level driver for flag_loop_block.
 893         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 894         flag_loop_block.
 895
 896         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 897         -floop-block.
 898         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 899         Add -floop-block.
 900
 901 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 902
 903         * graphite-poly.h (lst_find_pbb): New.
 904         (find_lst_loop): New.
 905
 906 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 907
 908         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 909         * graphite-poly.h (struct scop): Remove dep_graph field.
 910         (SCOP_DEP_GRAPH): Removed.
 911
 912 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 913
 914         * graphite-poly.h (copy_lst): Do full copy of LST.
 915
 916 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 919         when the loop stride is zero.
 920
 921         * gcc.dg/graphite/id-16.c: New.
 922
 923 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         * graphite-dependences.c (reduction_dr_1): New.
 926         (reduction_dr_p): New.
 927         (graphite_legal_transform_dr): Call reduction_dr_p.
 928         (reduction_ddr): Renamed reduction_ddr_p.
 929         * graphite-poly.h (same_pdr_p): New.
 930         (number_of_write_pdrs): New.
 931         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 932         (split_reduction_stmt): Do not split reduction statements
 933         when there are no writes to memory.
 934         (translate_scalar_reduction_to_array_for_stmt): Insert the
 935         memory reduction statement just after the scalar reduction statement.
 936
 937         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 938         Un-XFAIL-ed.
 939         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 940         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 941
 942 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * graphite-interchange.c (lst_apply_interchange): New.
 945         (lst_interchange_profitable_p): New.
 946         (lst_try_interchange_loops): New.
 947         (lst_try_interchange): New.
 948         (lst_do_interchange): New.
 949         (pbb_do_interchange): Removed.
 950         (scop_do_interchange): Call lst_do_interchange.
 951
 952 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 955         SCOP_TRANSFORMED_SCHEDULE.
 956         (loop_to_lst): New.
 957         (scop_to_lst): New.
 958         (print_lst): New.
 959         (debug_lst): New.
 960         * graphite-poly.h (lst_p): New.
 961         (struct lst): New.
 962         (LST_LOOP_P): New.
 963         (LST_LOOP_FATHER): New.
 964         (LST_PBB): New.
 965         (LST_SEQ): New.
 966         (scop_to_lst): Declared.
 967         (print_lst): Declared.
 968         (debug_lst): Declared.
 969         (new_lst_loop): New.
 970         (new_lst_stmt): New.
 971         (copy_lst): New.
 972         (lst_depth): New.
 973         (lst_dewey_number): New.
 974         (struct scop): Add original_schedule and transformed_schedule fields.
 975         (SCOP_ORIGINAL_SCHEDULE): New.
 976         (SCOP_TRANSFORMED_SCHEDULE): New.
 977         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 978
 979 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * graphite-dependences.c (reduction_ddr): New.
 982         (graphite_legal_transform_bb): Call reduction_ddr.
 983         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 984         Initialize PBB_IS_REDUCTION.
 985         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 986         (PBB_IS_REDUCTION): New.
 987         (new_poly_bb): Update declaration.
 988         * graphite-scop-detection.h (build_scop_bbs): Removed.
 989         (nb_reductions_in_loop): Removed.
 990         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 991         parameter for reductions.
 992         (try_generate_gimple_bb): Update call to new_poly_bb.
 993         (build_scop_bbs_1): Same.
 994         (build_scop_bbs): Same.
 995         (gsi_for_phi_node): New.
 996         (scalar_close_phi_node_p): Remove gcc_assert.
 997         (split_reduction_stmt): New.
 998         (is_reduction_operation_p): New.
 999         (phi_contains_arg): New.
1000         (follow_ssa_with_commutative_ops): New.
1001         (detect_commutative_reduction_arg): New.
1002         (detect_commutative_reduction_assign): New.
1003         (follow_inital_value_to_phi): New.
1004         (edge_initial_value_for_loop_phi): New.
1005         (initial_value_for_loop_phi): New.
1006         (detect_commutative_reduction): New.
1007         (translate_scalar_reduction_to_array_for_stmt): New.
1008         (insert_copyout): New.
1009         (insert_copyin): New.
1010         (translate_scalar_reduction_to_array): New.
1011         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1012         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1013         (rewrite_commutative_reductions_out_of_ssa): New.
1014         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1015         * sese.h (split_region_for_bb): New.
1016
1017         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1018         * gcc.dg/graphite/interchange-1.c: Fix format.
1019         * gcc.dg/graphite/interchange-10.c: New.
1020
1021 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1024         buggy assert.
1025
1026 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1029         (rewrite_cross_bb_scalar_dependence): New.
1030         (rewrite_cross_bb_scalar_deps): New.
1031         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1032         Call rewrite_cross_bb_scalar_deps.
1033
1034 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1037         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1038         gsi_for_stmt.
1039
1040 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1041
1042         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1043         * graphite-interchange.c (pbb_do_interchange): Same.
1044         * graphite-poly.c (print_scattering_function): Same.
1045         (debug_pdrs): Same.
1046         * graphite-poly.h (pbb_loop): New.
1047         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1048
1049 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1052
1053 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1054
1055         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1056         so don't pass a pointer to it.
1057         (build_alias_set_for_drs): Same.
1058         (build_base_obj_set_for_drs): Same.
1059         (build_scop_drs): Same.
1060
1061 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1062
1063         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1064         the alias graph of data references.
1065
1066 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1067
1068         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1069         (build_scop_drs): When debugging, write the alias graph to file,
1070         otherwise, should be disabled.
1071
1072 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1073
1074         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1075         (is_simple_operand): Remove call to stmt_simple_memref_p.
1076         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1077
1078 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1079
1080         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1081         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1082         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1083         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1084         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1085
1086 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1087
1088         PR middle-end/41118
1089         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1090         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1091         (graphite_carried_dependence_level_k): Ditto.
1092         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1093         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1094         (new_poly_dr): Adjust declaration.
1095         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1096         (free_gimple_bb): Added free_data_refs_aux.
1097         (build_poly_dr): Add dr_base_object_set.
1098         (partition_drs_to_sets): New.
1099         (dr_same_base_object_p): New.
1100         (build_alias_set_for_drs): New.
1101         (build_base_object_set_for_drs): New.
1102         (build_scop_drs): Add build_base_obj_set_for_drs.
1103         * graphite-sese-to-poly.h: Added #define for alias set number index and
1104         base object set index.
1105         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1106         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1107
1108 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1109
1110         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1111         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1112
1113 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1114
1115         * graphite-sese-to-poly.c (struct irp_data): Removed.
1116         (idx_record_params): Removed.
1117         (find_params_in_bb): Scan for parameters the access functions; don't
1118         parse the tree representation.
1119
1120 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1121
1122         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1123         passes at -O1 and below.
1124
1125 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1128         tree-scalar-evolution.h, and then tree-data-ref.h.
1129         * graphite-clast-to-gimple.c: Same.
1130         * graphite-dependences.c: Same.
1131         * graphite-interchange.c: Same.
1132         * graphite-poly.c: Same.
1133         * graphite-scop-detection.c: Same.
1134         * graphite-sese-to-poly.c: Same.
1135         * graphite.c: Same.
1136         * lambda-code.c: Same.
1137         * matrix-reorg.c: Same.
1138         * tree-data-ref.c: Same.
1139         * tree-if-conv.c: Same.
1140         * tree-loop-distribu: Same.: Same.
1141         * tree-loop-linear.c: Same.
1142         * tree-parloops.c: Same.
1143         * tree-predcom.c: Same.
1144         * tree-vect-patterns.c: Same.
1145
1146 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         Partially revert the previous patch, except the following.
1149         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1150         as parameters the operands of the not expression.
1151
1152 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1155         Do not call analyze_scalar_evolution on assignments.
1156         (instantiate_scev_phi): Call analyze_scalar_evolution.
1157         (instantiate_scev_name): Call instantiate_scev_assign and
1158         instantiate_scev_phi.
1159         (instantiate_scev_not): Adapted to pass as parameters the operands
1160         of the not expression.
1161
1162 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1165         to pass as parameters the operands of the binary expression.
1166
1167 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1170         instantiate_scev_not.  Handle NEGATE_EXPR.
1171         (instantiate_scev_r): Handle NEGATE_EXPR.
1172
1173 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1176         instantiate_scev_r.
1177         (instantiate_scev_r): Move code in instantiate_scev_2
1178         and instantiate_scev_1.
1179
1180 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * tree-scalar-evolution.c (instantiate_scev_3): New.
1183         (instantiate_scev_1): Move code in instantiate_scev_3.
1184
1185 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1188         (instantiate_scev_1): Move code in instantiate_scev_poly.
1189
1190 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1193         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1194
1195 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1198         (instantiate_scev_1): Move code in instantiate_scev_convert.
1199
1200 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1201
1202         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1203         (instantiate_scev_1): Move code in instantiate_scev_binary.
1204
1205 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * tree-scalar-evolution.c (instantiate_scev_name): New.
1208         (instantiate_scev_1): Move code in instantiate_scev_name.
1209
1210 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         * Merge from mainline (150992:151171).
1213
1214 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * graphite-dependences.c (graphite_legal_transform_bb): Call
1217         pbb_remove_duplicate_pdrs.
1218         * graphite-poly.c (can_collapse_pdr): Removed.
1219         (pdr_find_duplicate): Removed.
1220         (can_collapse_pdrs): New.
1221         (pbb_remove_duplicate_pdrs): New.
1222         (new_poly_dr): Do not look for duplicates.
1223         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1224         (PBB_PDR_DUPLICATES_REMOVED): New.
1225         (pbb_remove_duplicate_pdrs): Declared.
1226
1227 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1230         the strides by multiplying by PDR_NB_REFS.
1231         * graphite-poly.c (can_collapse_pdr): New.
1232         (pdr_find_duplicate): New.
1233         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1234         Initialize PDR_NB_REFS.
1235         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1236         (PDR_NB_REFS): New.
1237         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1238
1239 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         Revert one of the previous commits:
1242         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1243         the computation of symmetric data dependence relations.
1244         (dependency_between_pbbs_p): Same.
1245
1246 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         PR middle-end/40965
1249         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1250         any transform.
1251
1252 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1253
1254         * graphite-dependences.c (pddr_original_scattering): Return NULL
1255         for read-read dependence relations.
1256         * graphite-poly.h (enum poly_dr_type): Fix comment.
1257         (pdr_read_p): New.
1258         (pdr_write_p): New.
1259         (pdr_may_write_p): New.
1260
1261 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1264         (struct poly_dr): Same.
1265         (new_poly_dr): Same.
1266         * graphite-poly.c (new_poly_dr): Same.
1267
1268 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1269             Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1272         pbb_strip_mine_time_depth.  Changed the implementation so that
1273         transformation is expressed as a transformation on
1274         time (scatttering) dimensions.  Also, ensures that the 2d+1
1275         scheduling format is preserved.
1276         (pbb_strip_mine_profitable_p): Profitability is based on the
1277         iteration number of a given time (scattering) dimension,
1278         and not on a original loop depth dimension.
1279         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1280         (pbb_do_strip_mine): Call psct_dynamic_dim.
1281         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1282         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1283         (pbb_nb_dynamic_scattering_transform): New.
1284         (psct_dynamic_dim): New.
1285
1286 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1287
1288         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1289         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1290         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1291         * graphite-interchange.c (build_linearized_memory_access): Same.
1292         (memory_stride_in_loop): Same.
1293
1294 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * graphite-dependences.c (pddr_original_scattering): New.
1297         (graphite_legal_transform_dr): Call pddr_original_scattering.
1298         (dot_deps_1): New.
1299         (dot_deps): New.
1300         * graphite-dependences.h (dot_deps): Declared.
1301         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1302         (print_pdr): Print PDR_ID.
1303         * graphite-poly.h (struct poly_dr): Add field id.
1304         (PDR_ID): New.
1305         (pbb_index): New.
1306         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1307
1308 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1311         not delete the original dependence relation.
1312
1313 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1316         the computation of symmetric data dependence relations.
1317         (dependency_between_pbbs_p): Same.
1318
1319 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1320
1321         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1322         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1323         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1324         (free_poly_ddr): New.
1325         (pddr_is_empty): New.
1326         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1327         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1328         Remove fprintfs.
1329         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1330         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1331         * graphite-dependences.h (enum poly_dependence_kind): New.
1332         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1333         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1334         (PDRP_SINK): Renamed PDDR_SINK.
1335         (PDRP_DDP): Renamed PDDR_DDP.
1336         (PDDR_KIND): New.
1337         (free_poly_ddr): Declared.
1338         * graphite-poly.c (new_scop): Use the new hash function names.
1339         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1340         into original_pddrs.
1341         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1342
1343 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * Merge from mainline (150764:150992).
1346
1347 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1350         bounds with LT_EXPR to make niter analysis more precise on code
1351         generated by Graphite.
1352
1353 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1356         (graphite_legal_transform_bb): Same.
1357         (poly_drs_may_alias_p): Same.
1358
1359 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1360
1361         PR middle-end/40981
1362         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1363         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1364
1365 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * graphite-poly.c (print_pbb): Print PBB index.
1368
1369 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         * Merge from mainline (r150672:150764).
1372
1373 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1374
1375         * graphite-interchange.c (ppl_max_for_le): Moved...
1376         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1377         * graphite-ppl.c (ppl_max_for_le): ... here.
1378         * graphite-ppl.h (ppl_max_for_le): Declared.
1379
1380 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * Merge from mainline (r150372:150672).
1383
1384 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         PR middle-end/40980
1387         * sese.c (convert_for_phi_arg): New.
1388         (add_guard_exit_phis): Use convert_for_phi_arg.
1389
1390         * testsuite/gfortran.dg/graphite/id-17.f: New.
1391
1392 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1395         unknown subscript upper bounds.
1396
1397         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1398
1399 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1400             Pranav Garg  <pranav.garg2107@gmail.com>
1401
1402         * graphite-interchange.c (gather_access_strides): Removed.
1403         (ppl_max_for_le): New.
1404         (build_linearized_memory_access): New.
1405         (memory_stride_in_loop): New.
1406         (pbb_interchange_profitable_p): Reimplemented.
1407         * graphite-ppl.h (ppl_new_id_map): New.
1408         (ppl_interchange): New.
1409
1410         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1411
1412 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-interchange.c (compute_subscript): Removed.
1415         (compute_array_size_cstr): Removed.
1416         (compute_array_size_poly): Removed.
1417         (compute_array_size): Removed.
1418         (gather_access_strides_poly): Removed.
1419         (gather_access_strides): Empty.
1420
1421 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1422
1423         * graphite-dependences.c (dependence_polyhedron_1): Replace
1424         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1425         (graphite_legal_transform_dr): Same.
1426         (graphite_carried_dependence_level_k): Same.
1427         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1428         Initialize PDR_NB_SUBSCRIPTS.
1429         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1430         PDR_NB_SUBSCRIPTS.
1431         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1432         (PDR_NB_SUBSCRIPTS): New.
1433         (pdr_nb_subscripts): Removed.
1434         (pdr_dim): Simplified.
1435         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1436         with PDR_NB_SUBSCRIPTS.
1437
1438 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-interchange.c (compute_array_size): Remove use of
1441         PDR_DATA_CONTAINER.
1442         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1443         Do not initialize PDR_DATA_CONTAINER.
1444         (print_pdr): Do not print PDR_DATA_CONTAINER.
1445         * graphite-poly.h (struct poly_dr): Remove data_container field.
1446         (PDR_DATA_CONTAINER): Removed.
1447         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1448         PDR_DATA_CONTAINER.
1449         (build_poly_dr): Same.
1450
1451 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1454
1455 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1456             Sebastian Pop  <sebastian.pop@amd.com>
1457
1458         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1459         copy of the dependence polyhedron.  Free the temporary objects.
1460         (graphite_carried_dependence_level_k): Free unused objects before
1461         returning.
1462
1463         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1464         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1465         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1466         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1467         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1468
1469 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1472         Early return without analyzing the data dependences if no
1473         transform has been done.  Call restore_scattering if the transform
1474         is not legal.
1475         (graphite-interchange.c): Same.
1476         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1477         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1478         (apply_poly_transforms): Do not gcc_assert that
1479         the transform is legal.
1480         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1481         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1482         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1483         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1484         * graphite-poly.h (struct poly_scattering): New.
1485         (struct poly_bb): Add original, transformed, and saved fields.
1486         Remove transformed_scattering, original_scattering, nb_local_variables,
1487         and nb_scattering_transform fields.
1488         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1489         (poly_scattering_new): New.
1490         (poly_scattering_free): New.
1491         (poly_scattering_copy): New.
1492         (store_scattering_pbb): New.
1493         (store_scattering): New.
1494         (restore_scattering_pbb): New.
1495         (restore_scattering): New.
1496         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1497         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1498
1499 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1500
1501         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1502         (print_scop): Same.
1503
1504 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * Makefile.in (graphite.o): Depends on PREDICT_H.
1507         * graphite.c: Include predict.h.
1508         (graphite_finalize): Call tree_estimate_probability.
1509         * predict.c (predict_loops): Do not call scev_initialize and
1510         scev_finalize.
1511         (tree_estimate_probability_bb): New.
1512         (tree_estimate_probability): Do not initialize loops: move that
1513         code to the driver.  Call tree_estimate_probability_bb.
1514         (tree_estimate_probability_driver): New.
1515         (pass_profile): Use tree_estimate_probability_driver.
1516         * predict.h (tree_estimate_probability): Declared.
1517
1518 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1521         * graphite-dependences.c (graphite_legal_transform): Add time to
1522         TV_GRAPHITE_DATA_DEPS.
1523         (dependency_between_pbbs_p): Same.
1524         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1525
1526 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1527
1528         * Merge from mainline (r149952:150372).
1529
1530 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1533         * graphite-blocking.c: Same.
1534         * graphite-clast-to-gimple.c: Same.
1535         * graphite-dependences.c: Same.
1536         * graphite-poly.c: Same.
1537         * graphite-poly.h: Same.
1538         * graphite-ppl.c: Same.
1539         * graphite-scop-detection.c: Same.
1540         * graphite-sese-to-poly.c: Same.
1541         * graphite.c: Same.
1542
1543 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1546         (remove_simple_copy_phi): New.
1547         (remove_invariant_phi): New.
1548         (simple_copy_phi_p): New.
1549         (reduction_phi_p): New.
1550         (gsi_for_ssa_name_def): New.
1551         (insert_out_of_ssa_copy): New.
1552         (insert_out_of_ssa_copy_on_edge): New.
1553         (create_zero_dim_array): New.
1554         (scalar_close_phi_node_p): New.
1555         (rewrite_close_phi_out_of_ssa): New.
1556         (rewrite_phi_out_of_ssa): New.
1557         (rewrite_reductions_out_of_ssa): New.
1558         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1559
1560         * testsuite/gcc.dg/graphite/id-11.c: New.
1561         * testsuite/gcc.dg/graphite/id-15.c: New.
1562         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1563         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1564         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1565         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1566         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1567         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1568         * testsuite/gfortran.dg/graphite/id-13.f: New.
1569         * testsuite/gfortran.dg/graphite/id-5.f: New.
1570
1571 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1572
1573         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1574         check that nb_reductions_in_loop is zero.
1575         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1576         reduction phi nodes.
1577         (nb_reductions_in_loop): Removed.
1578         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1579         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1580         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1581         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1582         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1583
1584 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1587         statements that have an empty iteration domain.
1588         * testsuite/gfortran.dg/graphite/id-16.f: New.
1589
1590 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * tree-scalar-evolution.c (instantiate_scev_1): Return
1593         chrec_dont_know when the result is not above instantiate_below.
1594         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1595         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1596         the tree has a known scalar evolution.
1597         * testsuite/gfortran.dg/graphite/id-14.f: New.
1598         * testsuite/gfortran.dg/graphite/id-15.f: New.
1599
1600 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1603         insert_gsi.
1604         (rename_variables): Keep inserting renames after the ones already
1605         inserted.
1606
1607 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1608
1609         * graphite-sese-to-poly.c (compare_bb_depths): New.
1610         (graphite_sort_dominated_info): New.
1611         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1612         (build_scop_scattering): Fix comment.
1613
1614 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * graphite.c (graphite_finalize): Call print_loops instead of
1617         dump_function_to_file.
1618         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1619         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1620         loops generated in the graphite output file.
1621         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1622         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1623         * testsuite/gfortran.dg/graphite/id-12.f: New.
1624
1625 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1626
1627         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1628         Remove 2 XFAIL.
1629
1630 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1631             Tobias Grosser  <grosser@fim.uni-passau.de>
1632
1633         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1634         alias set number build alias in ACCESSES polyhedron.
1635         (build_alias_set_for_drs): New.
1636         (build_pbb_drs): Added build_alias_set_for_drs.
1637         * graphite-dependences.c (poly_drs_may_alias_p): New.
1638         (graphite_carried_dependence_level_k): Check alias information
1639         before building polyhedron.
1640
1641 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1642
1643         * Makefile.in (lambda-code.o): Fix formatting.
1644
1645 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1646
1647         * Merge from mainline (r149350-149952)
1648
1649 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1650
1651         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1652         before interchange to prepare for loop blocking.
1653
1654 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1655
1656         * graphite-poly.c (apply_poly_transforms): Add checks after every
1657         transformation.
1658         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1659         done in apply_poly_transforms.
1660
1661 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1662
1663         * graphite-dependences.c (build_lexicographically_gt_constraint):
1664         Replace RES parameter with *RES.
1665         (dependence_polyhedron_1): Pass an address of the parameter RES
1666         instead of value of RES.
1667
1668 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite.c (graphite_finalize): Fix comment.
1671         (graphite_transform_loops): Reset scev info after code generation
1672         of each scop.
1673
1674 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite.c (graphite_finalize): Call scev_reset.
1677
1678 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1681         GBB_CLOOG_IV_TYPES hash table twice.
1682         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1683         (add_condition_to_domain): Clear GMP values.
1684
1685 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * graphite-dependences.c: Fix formatting.
1688         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1689         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1690         * graphite-sese-to-poly.c: Fix formatting.
1691         * graphite.c (graphite_transform_loops): Create the hash table
1692         after the early return.
1693
1694 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * testsuite/gcc.dg/graphite/id-14.c: New.
1697         * testsuite/gcc.dg/graphite/pr40157.c: New.
1698         * testsuite/gfortran.dg/graphite/id-11.f: New.
1699
1700 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1703         (build_poly_scop): Return false when there are no pbbs within
1704         loops to avoid to pass to cloog scops with no loops.
1705
1706 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1709         useless test "i % 2".
1710         (build_pbb_scattering_polyhedrons): Fix formatting.
1711         (build_poly_dr): Same.
1712         * graphite.c (graphite_transform_loops): Restructure.
1713
1714 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1715
1716         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1717         reduction_list parameter.
1718         (rewrite_all_phi_nodes_with_iv): Same.
1719         (canonicalize_loop_ivs): Same.
1720         * tree-parloops.c (struct brli): Removed.
1721         (build_reduction_list_info): Removed.
1722         (build_new_reduction): New.
1723         (analyze_reduction_list): Removed.
1724         (gather_scalar_reductions): Find reductions instead of phi
1725         nodes that can't be canonicalized.
1726         (try_create_reduction_list): Remove reduction_list parameter.
1727         (gen_parallel_loop): Same.
1728         (parallelize_loops): Remove analyze_reductions variable,
1729         initialization and free.
1730         Change reduction_list htab initialization to reduction_info
1731         elements instead of ssa names.
1732         Call try_create_reduction_list and gen_parallel_loop without
1733         analyzed_reduction argument.
1734         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1735         canonicalize_loop_ivs with one less argument.
1736         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1737
1738 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1739
1740         * graphite-dependences.c (new_poly_dr_pair): New.
1741         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1742         (new_poly_dr_pair): New.
1743         (eq_poly_dr_pair_p): New.
1744         (hash_poly_dr_pair_p): New.
1745         * graphite-dependences.h (struct poly_dr_pair): New.
1746         (eq_poly_dr_pair_p): Declared.
1747         (hash_poly_dr_pair_p): Declared.
1748         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1749         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1750         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1751         * Makefile.in (graphite-poly.o): Add dependence on
1752         graphite-dependences.h.
1753
1754 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1757         polynomials of degree > 1 pass to Graphite.
1758         * tree-chrec.c (scev_is_linear_expression): Call
1759         evolution_function_is_affine_multivariate_p.
1760         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1761
1762 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1765         Instantiate scevs varying in outer loops.
1766         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1767
1768 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1769
1770         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1771         redundant constraint.
1772
1773 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1776         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1777         based on the file names as in the C testsuite.
1778         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1779         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1780         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1781         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1782         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1783         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1784         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1785         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1786         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1787         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1788         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1789         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1790         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1791
1792 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * sese.c (expand_scalar_variables_call): New.
1795         (expand_scalar_variables_ssa_name): Handle calls in expander.
1796
1797 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1800         Expect to see the pattern twice.
1801         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1802         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1803         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1804
1805 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * testsuite/gcc.dg/graphite/id-10.c: New.
1808         * testsuite/gcc.dg/graphite/id-12.c: New.
1809         * testsuite/gfortran.dg/graphite/id-7.f: New.
1810         * testsuite/gfortran.dg/graphite/id-8.f: New.
1811
1812 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1815         zero.
1816
1817 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1820
1821 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1824
1825 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1828         building PDR subscripts.
1829
1830 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1833         computation of array sizes.
1834
1835 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1838
1839 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1840
1841         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1842         build_pairwise_constraint, dr_equality_constraints,
1843         build_pairwise_scheduling_equality,
1844         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1845         build_lexicographically_gt_constraint, dependence_polyhedron,
1846         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1847         Move from NNC_Polyhedron to C_Polyhedron.
1848         * graphite-interchange.c (compute_array_size_poly,
1849         gather_access_strides): Dito.
1850         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1851         free_scop, pbb_number_of_iterations): Dito.
1852         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1853         pbb_dim_iter_domain, struct scop): Dito.
1854         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1855         new_Cloog_Domain_from_ppl_Polyhedron,
1856         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1857         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1858         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1859         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1860         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1861         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1862         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1863         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1864         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1865         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1866         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1867         build_scop_iteration_domain, build_poly_dr): Dito
1868
1869 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1870
1871         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1872         run-id-*.c files.
1873         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1874
1875 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1878         positivity constraint on the symbolic number of iterations.
1879
1880 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1883
1884 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1885             Tobias Grosser  <grosser@fim.uni-passau.de>
1886
1887         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1888         (build_cloog_prog): Directly use SCOP_CONTEXT.
1889         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1890         (free_scop): Free SCOP_CONTEXT.
1891         (print_scop_context): New.
1892         (print_scop): Call print_scop_context.
1893         (debug_scop_context): New.
1894         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1895         (struct scop): Added field context.
1896         (SCOP_CONTEXT): New.
1897         * graphite-sese-to-poly.c (add_param_constraints): New.
1898         (build_scop_context): New.
1899         (build_poly_scop): Call build_scop_context.
1900
1901 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1902
1903         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1904         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1905         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1906         * graphite-ppl.h: Include double-int.h and tree.h.
1907         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1908         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1909         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1910         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1911
1912 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1915         POINTER_PLUS_EXPR for pointer types.
1916         (clast_to_gcc_expression): Same.
1917
1918 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920         * graphite-poly.c (print_scattering_function): Early return when
1921         PBB_TRANSFORMED_SCATTERING is not initialized.
1922         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1923
1924 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1927         to fix bootstrap.
1928
1929 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1930
1931         * tree-parloops.c (analyze_reduction_list): Change return
1932         value to void.
1933         (try_create_reduction_list): Move the call to
1934         analyze_reduction_list to the beginining.
1935         Call reduction_phi with analyzed_reductions as argument
1936         instead of reduction_list.
1937
1938 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1939
1940         *  Merge from mainline (r148296:149346)
1941
1942 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1943
1944         * graphite-scop-detection.c (graphite_can_represent_init): New.
1945         (graphite_can_represent_scev): Call graphite_can_represent_init:
1946         check that the initial value does not contain multiplications of
1947         parameters.
1948         (stmt_has_simple_data_refs_p): New.
1949         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1950         (is_simple_operand): Fix formatting.
1951         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1952
1953 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1954
1955         * testsuite/gcc.dg/graphite/id-13.c: New.
1956         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1957         analyze_scalar_evolution, use scalar_evolution_in_region.
1958         (scan_tree_for_params_right_scev): Add extra assert.
1959         (parameter_index_in_region_1): Split from parameter_index_in_region.
1960         (idx_record_params): Use scalar_evolution_in_region.
1961         (find_params_in_bb): Same.
1962         (find_scop_parameters): Same.
1963         (build_loop_iteration_domains): Same.
1964         (create_linear_expr_from_tree): Same.
1965         * sese.c (scalar_evolution_in_region): New.
1966         * sese.h (scalar_evolution_in_region): Declared.
1967         (defined_in_sese_p): New.
1968         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1969         static anymore.
1970         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1971         Declared.
1972
1973 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1974
1975         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1976         TREE_DATA_REF_H also implies SCEV_H.
1977
1978 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-poly.c (print_scop_params): New.
1981         (print_scop): Call print_scop_params.
1982         (debug_scop_params): New.
1983         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1984
1985 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1986
1987         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1988         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1989         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1990         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1991         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1992         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1993
1994 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1995
1996         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1997         for dependency checking part.
1998         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1999         tests for dependency checking.
2000         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2001         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2002         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2003         flag -fdump-tree-graphite-all for autopar testsuites.
2004
2005 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2008         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2009         canonicalize_loop_ivs): Moved...
2010         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2011
2012 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * tree-parloops.c (try_create_reduction_list): Pass an extra
2015         argument analyzed_reductions.  Call analyze_reduction_list.
2016         (gen_parallel_loop): Do not call analyze_reduction_list.
2017         (parallelize_loops): Init and finalize analyzed_reductions.
2018
2019 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2020
2021         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2022         Added flag -fno-loop-strip-mine for autopar testcase.
2023
2024 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2025
2026         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2027         transformed scattering dimension instead of unmatch orignal when
2028         calling dependence_polyhedron.
2029
2030 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2033
2034 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2035
2036         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2037         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2038
2039 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2040
2041         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2042         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2043         * graphite-poly.c (pbb_number_of_iterations): New.
2044         * graphite-poly.h (pbb_number_of_iterations): Declared.
2045         (pbb_iterator_dim, pbb_parameter_dim): New.
2046
2047 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2048
2049         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2050         last commit on type of lower and upper bound of loops.
2051
2052 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2053
2054         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2055         graphite-dependences.h.
2056         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2057         (mark_bb_with_pbb): New.
2058         (get_stmtfor_depth): New.
2059         (find_pbb_via_hash): New.
2060         (dependency_in_loop_p): New.
2061         (mark_loops_parallel): New.
2062         (free_aux_in_new_loops): New.
2063         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2064         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2065         innermost loop parallel without checking.
2066         (gloog): Add parameter BB_PBB_MAPPING.
2067         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2068         (gloog): Change declaration.
2069         (mark_loop_parallel): Make extern.
2070         (free_aux_in_new_loops): Declare.
2071         (bb_pbb_map_hash): New.
2072         (eq_bb_pbb_map): New.
2073         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2074         auto parallelization when flag_graphite_force_parallel is set.
2075         (graphite_finalize): Added free_aux_in_new_loops.
2076         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2077         the innermost loop that marked parallel.  Use
2078         flag_graphite_force_parallel instead of loop->can_be_parallel.
2079         (loop_parallel_p): Move inner most checking out of function.
2080
2081 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2082
2083         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2084         type of lower and upper bound of loops signed long int.
2085
2086 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2089         expression outside the loop.
2090
2091 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * gcc.dg/graphite/interchange-8.c: New.
2094
2095 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2096
2097         * gcc.dg/graphite/interchange-0.c: XFailed.
2098         * gcc.dg/graphite/interchange-5.c: XFailed.
2099         * gcc.dg/graphite/interchange-6.c: XFailed.
2100
2101 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * graphite-interchange.c (compute_array_size_poly): The end of the
2104         recursion should return 1.
2105
2106 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108         * graphite-interchange.c (compute_array_size_cstr): Allow the
2109         subscript multiplier to be -1.
2110         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2111         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2112         data_container.  Initializes PDR_DATA_CONTAINER.
2113         (print_pdr_access_layout): New.
2114         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2115         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2116         data_container.
2117         (PDR_DATA_CONTAINER): New.
2118         (new_poly_dr): Update declaration.
2119         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2120         (build_poly_dr): Call pdr_add_data_dimensions.
2121
2122 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * graphite-poly.h (struct poly_dr): Fix comment.
2125         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2126         (pdr_add_memory_accesses): New.
2127         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2128
2129 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2130
2131         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2132         (print_pbb): Add call to print_pdrs.
2133         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2134
2135 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2136             Li Feng <nemokingdom@gmail.com>
2137
2138         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2139         (dependency_between_pbbs_p): New.
2140         (lexicographically_gt_p): Assure !empty_p before polyhedron
2141         intersection assign.
2142         (build_lexicographically_gt_constraint): Correct lexicographically
2143         judging.
2144         * graphite-dependences.h: New.
2145         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2146
2147 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2150         (gloog): Print to dump_file the generated clast.
2151         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2152         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2153
2154 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-poly.c (extend_scattering): Increment
2157         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2158
2159 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2160
2161         * graphite-interchange.c (compute_array_size_poly): Added exit of
2162         recursion condition.  Continue iterating even after the first equality.
2163         (compute_array_size): Same.
2164
2165 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2166
2167         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2168         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2169         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2170         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2171         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2172
2173 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2176         only when the use verifies is_gimple_reg.
2177
2178 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2179
2180         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2181         Allocate scaldims after call to unify_scattering_dimensions.
2182
2183 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2186
2187 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2188             Albert Cohen  <albert.cohen@inria.fr>
2189
2190         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2191         variables for the strip mining.
2192
2193 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2194             Pranav Garg  <pranav.garg2107@gmail.com>
2195
2196         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2197         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2198         (graphite-blocking.o): New rule.
2199         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2200         * graphite-blocking.c: New.
2201         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2202         flag_loop_strip_mine.
2203         (psct_scattering_dim_for_loop_depth): New.
2204         * graphite-poly.h (scop_do_strip_mine): Declared.
2205         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2206         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2207         flag_loop_strip_mine.
2208
2209 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2210
2211         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2212         a GMP value and a PPL coefficient at each iteration of a loop.
2213
2214 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2215
2216         * graphite-dependences.c (dependence_polyhedron): Do not use
2217         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2218         pbb_nb_scattering_transform.
2219         (graphite_legal_transform_dr): Same.
2220         * graphite-poly.c (extend_scattering): Same.
2221         (unify_scattering_dimensions): Same.
2222         (print_scattering_function): Same.
2223         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2224         PBB_NB_LOCAL_VARIABLES.
2225         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2226         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2227         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2228         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2229         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2230         (pbb_nb_scattering_transform): New.
2231         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2232         (psco_scattering_dim): Add assert on parameters.
2233         (psct_scattering_dim): Same.
2234         (psct_scattering_dim_for_loop_depth): Declared.
2235         (psct_local_var_dim): New.
2236         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2237         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2238         correct layout, call pbb_nb_local_vars.
2239         (psct_add_local_variable, psct_add_scattering_dimension): New.
2240         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2241         Initialize PBB_NB_SCATTERING_TRANSFORM.
2242
2243 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2244
2245         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2246         (set_coef): Renamed ppl_set_coef.
2247         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2248
2249 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2252         test a boolean against 1.
2253         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2254         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2255         (pbb_do_interchange): Returns true when a transform has been performed.
2256         (scop_do_interchange): Same.
2257         * graphite-poly.c (apply_poly_transforms): Use the return value of
2258         scop_do_interchange.
2259         * graphite-poly.h (scop_do_interchange): Update declaration.
2260
2261 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2262
2263         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2264         after last use.
2265         * sese.c (sese_reset_aux_in_loops): New.
2266         * sese.h (sese_reset_aux_in_loops): New.
2267
2268 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2269
2270         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2271         multiplier and multiply the constant by the multiplier.
2272         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2273         (build_poly_dr): Do not use the multiplier to define the subscript.
2274
2275 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2278         compiler's data reference.  Initialize PDR_CDR.
2279         (print_pdr): Call dump_data_reference.
2280         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2281         Add compiler_dr field.
2282         (PDR_BB): Renamed PDR_PBB.
2283         (PDR_CDR): New.
2284         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2285         GCC's data reference representation.
2286         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2287         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2288
2289 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2290
2291         * graphite-poly.c (print_scattering_function): Also print the layout.
2292         * graphite-poly.h (pbb_nb_local_vars): New.
2293
2294 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2297
2298 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2299
2300         * graphite-poly.c (print_pdr, debug_pdr): New.
2301         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2302         (PDR_BASE): Removed.
2303
2304 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2305
2306         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2307         ltrans-{1..6,8}.c.
2308
2309 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2310
2311         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2312         subscript identification column.
2313         (pbb_do_interchange): Print to dump_file that some loops "will be
2314         interchanged".  Rely on that chain of characters in the testcases.
2315         * gcc.dg/graphite/interchange-0.c: New.
2316         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2317         interchange-*.c files and compile them with -floop-interchange.
2318
2319 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2320
2321         * graphite-interchange.c (interchange_profitable_p): Renamed
2322         pbb_interchange_profitable_p.
2323
2324 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2325             Harsha Jagasia  <harsha.jagasia@amd.com>
2326             Pranav Garg  <pranav.garg2107@gmail.com>
2327
2328         * graphite-interchange.c (interchange_profitable_p): Make static.
2329         (pbb_interchange_loop_depths, pbb_do_interchange,
2330         scop_do_interchange): New.
2331         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2332         for flag_loop_interchange.
2333         * graphite-poly.h (scop_do_interchange): Declared.
2334         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2335         flag_loop_interchange is used.
2336
2337 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2338
2339         * graphite-dependences.c (dependence_polyhedron): Update use of
2340         pbb_nb_scattering_dims.
2341         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2342         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2343         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2344         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2345
2346 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2347
2348         * graphite.c: Cleanup foo.
2349
2350 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2351
2352         * Merge from mainline (r143684:148293).
2353         * Disabled libpcp until it gets fixed.
2354
2355 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2356             Harsha Jagasia  <harsha.jagasia@amd.com>
2357
2358         * graphite-interchange.c: New.
2359         * Makefile.in (graphite-interchange.o): New.
2360         * graphite-poly.h (interchange_profitable_p): Declared.
2361         * graphite-ppl.h (value_max): New.
2362
2363 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2366         * graphite-poly.h: Fix some comments.
2367         (pdr_dim): New.
2368         (pdr_scop): New.
2369
2370 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2371
2372         * graphite-poly.h
2373         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2374         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2375         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2376         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2377         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2378         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2379         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2380         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2381         * graphite-clast-to-gimple.c: Same.
2382         * graphite-dependences.c: Same.
2383         * graphite-poly.c: Same.
2384         * graphite-sese-to-poly.c: Same.
2385
2386 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2387
2388         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2389         expressions for an IV rename, as returned by clast_to_gcc_expression.
2390         (copy_renames): Rename new_name to expr.
2391         * sese.c (debug_rename_elt): Same.
2392         (get_rename): Same.
2393         (set_rename): Same.
2394         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2395         the information from the rename map.
2396         (rename_variables_in_stmt): Same.
2397         (add_loop_exit_phis): Rename new_name to expr.
2398         (insert_loop_close_phis): Same.
2399         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2400         * sese.h (struct rename_map_elt): Rename new_name to expr.
2401         (new_rename_map_elt): Same.
2402
2403 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2406         * sese.c (set_rename): Make it extern.
2407         * sese.h (set_rename): Declared.
2408
2409 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2410
2411         * graphite-poly.c (extend_scattering): Free values.
2412         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2413         Free iterators.
2414         (ppl_print_powerset_matrix): Same.
2415         * graphite-scop-detection.c (free_scops_1): New.
2416         (limit_scops): Call free_scops_1.
2417         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2418         (build_poly_dr): Free PPL coefficients.
2419         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2420
2421 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2422
2423         * graphite-dependences.c: New.
2424         * graphite-data-ref.c: Removed.
2425         * graphite-data-ref.h: Removed.
2426         * Makefile.in (graphite-data-ref.o): Removed.
2427         (graphite-dependences.o): Added.
2428         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2429         * graphite-poly.c: Same.
2430         Move the data dependence testing to graphite-dependences.c.
2431
2432 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2433
2434         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2435         from graphite_cannot_represent_loop. Code refactored.
2436         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2437
2438 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2439
2440         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2441         Cover all the testcases (not only the filtered ones).
2442
2443 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2444
2445         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2446         unnecessary check. Update comments. Move check for REAL_TYPE here.
2447         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2448         done in (stmt_simple_for_scop_p).
2449
2450 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2451
2452         * graphite.c (print_global_statistics): New.
2453         (print_graphite_scop_statistic): New.
2454         (print_graphite_statistics): New.
2455         (graphite_initialize, graphite_transform_loops): Print statistics.
2456         * graphite-scop-detection (build_scops): Print statistics.
2457         (print_graphite_scop_statistics): New.
2458         (print_graphite_statistics): New.
2459
2460 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2463         (debug_clast_name_index): Removed.
2464         (debug_clast_name_indexes_1): Removed.
2465         (debug_clast_name_indexes): Removed.
2466         (clast_name_index_elt_info): Removed.
2467         (eq_clast_name_indexes): Removed.
2468         (clast_name_to_index): Removed.
2469         (new_clast_name_index): Removed.
2470         (save_clast_name_index): Removed.
2471         (save_var_name): Moved...
2472         (init_sese_params_index): Removed.
2473         (clast_name_to_gcc): Remove use of name_tree.
2474         (initialize_cloog_names): Same.
2475         (gloog): Do not call init_sese_params_index.
2476         * graphite-sese-to-poly.c (save_var_name): ...here.
2477         (parameter_index_in_region): New.
2478         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2479         (parameter_index_in_region): Removed.
2480         (is_parameter): Remove use of name_tree.
2481         * sese.h (struct name_tree): Removed.
2482         (struct sese): Remove use of name_tree.  New field params_names.
2483         (SESE_PARAMS_NAMES): New.
2484         (SESE_PARAMS): Remove duplicate.
2485         (parameter_index_in_region): Removed.
2486         (sese_nb_params): Remove use of name_tree.
2487         (struct clast_name_index): New.
2488         (new_clast_name_index): New.
2489         (clast_name_to_index): New.
2490         (save_clast_name_index): New.
2491         (debug_clast_name_index): New.
2492         (debug_clast_name_indexes_1): New.
2493         (debug_clast_name_indexes): New.
2494         (clast_name_index_elt_info): New.
2495         (eq_clast_name_indexes): New.
2496
2497 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2500         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2501         (graphite_loop_normal_form): Do not pass region.  Do not
2502         initialize SESE_OLDIVS.
2503         (build_graphite_loop_normal_form): Update call to
2504         graphite_loop_normal_form.
2505         * sese.c (debug_oldivs): Removed.
2506         (new_sese): Do not initialize SESE_OLDIVS.
2507         (free_sese): Do not free SESE_OLDIVS.
2508         (oldiv_for_loop): Removed.
2509         * sese.h (struct sese): Remove old_ivs.
2510         (SESE_OLDIVS): Removed.
2511         (oldiv_for_loop): Removed.
2512
2513 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2514
2515         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2516         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2517         replaced by a call to newivs_to_depth_to_newiv.
2518         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2519         (clast_to_gcc_expression_red): Same.
2520         (gcc_type_for_clast_expr): Same.
2521         (gcc_type_for_clast_eq): Same.
2522         (graphite_translate_clast_equation): Same.
2523         (graphite_create_guard_cond_expr): Same.
2524         (graphite_create_new_guard): Same.
2525         (graphite_create_new_loop): Same.
2526         (build_iv_mapping): Same.
2527         (translate_clast): Same.
2528         (gloog): Same.
2529         (loop_iv_stack_patch_for_consts): Removed.  *
2530         sese.c (iv_stack_entry_is_constant): Removed.
2531         (iv_stack_entry_is_iv): Removed.
2532         (loop_iv_stack_push_iv): Removed.
2533         (loop_iv_stack_insert_constant): Removed.
2534         (loop_iv_stack_pop): Removed.
2535         (loop_iv_stack_get_iv): Removed.
2536         (loop_iv_stack_get_iv_from_name): Removed.
2537         (debug_loop_iv_stack): Removed.
2538         (free_loop_iv_stack): Removed.
2539         (loop_iv_stack_remove_constants): Removed.  *
2540         sese.h (iv_stack_entry_kind): Removed.
2541         (iv_stack_entry_data_union): Removed.
2542         (iv_stack_entry_struct): Removed.
2543         (iv_stack_entry_p): Removed.
2544         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2545         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2546         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2547         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2548         (gbb_loop_at_index): Fix indenting.
2549         (gbb_loop_index): Removed.
2550
2551 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2552
2553         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2554         Call clast_name_to_index.
2555
2556 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2557
2558         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2559         do not pass params.  Get params from SESE_PARAMS.
2560         (clast_to_gcc_expression): Same.
2561         (clast_to_gcc_expression_red): Same.
2562         (gcc_type_for_clast_eq): Same.
2563         (graphite_translate_clast_equation): Same.
2564         (graphite_create_new_loop): Same.
2565         * sese.c (rename_variables_in_stmt): Fix comment.
2566
2567 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2568
2569         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2570         newivs_index.
2571         Call save_clast_name_index.
2572         (translate_clast): Pass newivs_index.
2573         (gloog): Create and free newivs_index.
2574
2575 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2576
2577         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2578         (clast_name_index_p): New type.
2579         (debug_clast_name_index): New.
2580         (debug_clast_name_indexes_1): New.
2581         (debug_clast_name_indexes): New.
2582         (clast_name_index_elt_info): New.
2583         (eq_clast_name_indexes): New.
2584         (clast_name_to_index): New.
2585         (new_clast_name_index): New.
2586         (save_clast_name_index): New.
2587         (init_sese_params_index): New.
2588         (gloog): Call init_sese_params_index.
2589         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2590         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2591         (free_sese): Free SESE_PARAMS_INDEX.
2592         * sese.h (struct sese): Add params_index.
2593         (SESE_PARAMS_INDEX): New.
2594
2595 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2596
2597         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2598         (graphite_create_new_loop): Pass the newivs vector.  Push the
2599         newly created IV to newivs.
2600         (translate_clast): Pass the newivs vector.
2601         (gloog): Create and destroy the newivs vector.
2602
2603 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2604
2605         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2606         (graphite_loop_normal_form): Initialize loop->aux with the unique
2607         IV that has been created.
2608
2609 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2610
2611         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2612         scev with parameters in the base part. They where forbidden
2613         exidently.
2614
2615 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2616
2617         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2618         compile options by file names.
2619         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2620         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2621         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2622         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2623
2624 2009-05-08  Li Feng <nemokingdom@gmail.com>
2625
2626         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2627         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2628         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2629         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2630
2631 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2632
2633         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2634         by final cleanup.
2635
2636 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2637
2638         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2639         allow integer constant strides.
2640         (graphite_can_represent_expr): Depend on outermost_loop.
2641         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2642         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2643         build_scops_1): Same.
2644         (scopdet_basic_block_info): Same and insert layered SCoP
2645         detection.
2646         (try_generate_gimple_bb): Cleanup.
2647         (build_scops): Enable data references.
2648
2649         * testsuite/gcc.dg/graphite/id-5.c: New.
2650         * testsuite/gcc.dg/graphite/id-9.c: New.
2651         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2652         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2653
2654 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2655
2656         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2657         that we have not yet built for this SCoP.
2658
2659 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2662         for complex numbers.
2663
2664 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2665
2666         * graphite-ppl.c: Fix build if cloog is not available.
2667
2668 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2669
2670         * tree-parloops.c (loop_parallel_p): Remove construction of
2671         NITER and REDUCTION_LIST.
2672         (try_get_loop_niter): New.
2673         (try_create_reduction_list): New.
2674         (parallelize_loops): Bypass the failed checkings in autopar
2675         when can_be_parallel in loop structure is set to true.
2676
2677 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2678
2679         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2680         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2681
2682 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2683
2684         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2685         Enable EQ_EXPR and NE_EXPR again.
2686
2687 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2688
2689         * graphite-scop-detection.c (graphite_can_represent_scev):
2690         Add check if scev is affine multivariate.
2691         (harmful_stmt_in_bb): Check if we can represent the conditions.
2692         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2693         harmful_stmt_in_bb.
2694         * testsuite/gcc.dg/graphite/id-7.c: New.
2695
2696 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2697
2698         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2699         Check all bbs in region, not only the bbs that are represented in
2700         GRAPHITE.
2701         (build_poly_scop): Add newline.
2702         * testsuite/gcc.dg/graphite/id-8.c: New.
2703
2704 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2705
2706         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2707         when loop initialize.
2708         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2709         * common.opt: Declare flag_graphite_force_parallel.
2710         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2711         loop parallel.
2712         * graphite-poly.c (apply_poly_transforms): Introduce
2713         flag_graphite_force_parallel.
2714         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2715         * toplev.c (process_options): ditto and replace a not correctly
2716         encoded space.
2717
2718 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2719
2720         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2721         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2722         to the redefinition.
2723         (compute_cloog_iv_types_1): ditto.
2724         (build_iv_mapping): ditto.
2725         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2726         initialization.
2727         (free_gimple_bb): Removed GBB_LOOPS related free part.
2728         (build_bb_loops): Removed.
2729         * sese.h (struct gimple_bb): Removed loops.
2730         (GBB_LOOPS): Removed.
2731         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2732         (gbb_loop_index): ditto.
2733
2734 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2735
2736         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2737         allow non constant strides.
2738         * testsuite/gcc.dg/graphite/scop-20.c: New.
2739
2740 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * graphite-scop-detection.c (dot_all_scops): Fix system call
2743         return value warning.
2744         (dot_scop): Same.
2745
2746 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2749         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2750
2751 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2752
2753         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2754         build_pairwise_constraint, dr_equality_constraints,
2755         build_pairwise_scheduling_equality,
2756         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2757         build_lexicographically_gt_constraint, dependence_polyhedron,
2758         graphite_legal_transform_dr, graphite_legal_transform_bb,
2759         graphite_legal_transform): New.
2760         * graphite-poly.h (graphite_legal_transform): Declared.
2761         * graphite-sese-to-poly.c (build_poly_scop): Call to
2762         graphite_legal_transform is disabled for the moment.
2763
2764 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite-poly.h (pbb_nb_scattering_dims): New.
2767         (pbb_nb_scattering): Use it.
2768
2769 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2770
2771         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2772         Pointset_Powerset version of ppl_insert_dimensions.
2773         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2774
2775 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2778
2779 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         * graphite-poly.h: Fix comment.
2782
2783 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2786
2787 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2788
2789         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2790         statements.
2791
2792 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2793
2794         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2795         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2796         conditions.
2797
2798 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2801         handle EQ_EXPR and NE_EXPR.
2802
2803 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2804
2805         * graphite-poly.h (poly_dr): Fix comment.
2806
2807 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2808             Tobias Grosser  <grosser@fim.uni-passau.de>
2809
2810         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2811         with a zero dimension polyhedron.
2812         (find_scop_parameters): Move the call to scop_set_nb_params here.
2813         (build_loop_iteration_domains): Store in loop->aux the iteration
2814         domain polyhedron.
2815         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2816         by any loop in scop.
2817         (build_poly_scop): Do not call scop_set_nb_params.
2818
2819 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2820             Tobias Grosser  <grosser@fim.uni-passau.de>
2821
2822         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2823         add_condition_to_domain not GT_EXPR.
2824
2825 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2826
2827         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2828         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2829         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2830         upper_bound_assign to calculate unions.
2831         * testsuite/gcc.dg/graphite/id-6.c: New.
2832
2833 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2834
2835         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2836         handle abnormal edges.
2837
2838 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2839
2840         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2841         (free_poly_bb): Also free poly_drs.
2842         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2843         (poly_dr): Polyhedron to Pointset_Powerset.
2844         (pdr_accessp_nb_subscripts): Same.
2845         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2846         poly_drs.
2847
2848 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2851         names into more meaningful names.
2852
2853 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2854
2855         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2856         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2857
2858 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2859
2860         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2861         the reduction_list.
2862         * tree-parloops.c (rewrite_phi_with_iv): New.
2863         (rewrite_all_phi_nodes_with_iv): New.
2864         (canonicalize_loop_ivs): Call them.
2865
2866 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2867
2868         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2869         graphite_find_data_references_in_stmt.
2870         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2871         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2872
2873 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2876
2877 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2880         instead of bb_in_region.
2881         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2882         (build_sese_conditions): Use flag_bb_in_sese.
2883         * sese.c (register_bb_in_sese): Removed.
2884         (new_sese): Remove initialization of SESE_REGION_BBS.
2885         (free_sese): Do not free SESE_REGION_BBS.
2886         * sese.h (struct sese): Remove field region_basic_blocks.
2887         (SESE_REGION_BBS): Removed.
2888         (bb_in_sese_p): Implement in function of bb_in_region.
2889
2890 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2891
2892         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2893         loops.
2894
2895 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2896
2897         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2898         and EQ_EXPR.
2899         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2900         (add_condition_to_domain): New.
2901         (add_condition_to_pbb): New.
2902         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2903         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2904
2905 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2906
2907         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2908         ppl_Pointset_Powerset.
2909         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2910         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2911         (pbb_nb_loops): Same.
2912         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2913         add_conditions_to_domain): Same.
2914         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2915         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2916         ppl_const_Polyhedron_t.
2917         (ppl_print_powerset_matrix): New.
2918         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2919         ppl_print_powerset_matrix): New.
2920         (ppl_print_polyhedron_matrix): Updated.
2921
2922 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2925
2926 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2929         (print_iteration_domains, debug_iteration_domain,
2930         debug_iteration_domains): New.
2931         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2932         debug_iteration_domains): Declared.
2933         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2934         indenting.
2935
2936 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2937             Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * graphite-poly.h (print_iteration_domain): New.
2940         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2941         (build_sese_conditions_1, build_sese_conditions_after,
2942         build_sese_conditions_before): New.
2943         (build_sese_conditions): Rewritten.
2944
2945 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2946             Tobias Grosser  <grosser@fim.uni-passau.de>
2947
2948         Cleanup of code generation liveouts.
2949         * graphite-clast-to-gimple.c (translate_clast): Use a single
2950         rename_map instead of one per translated statement.
2951         Do not use SESE_LIVEOUT_RENAMES.
2952         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2953         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2954         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2955         phi node of a reduction: when a loop contains a reduction used outside
2956         the loop, there should be a scalar close phi node on the exit block.
2957         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2958         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2959         (free_sese): Do not free them.
2960         (sese_build_liveouts_use): Do not use them.
2961         (sese_build_liveouts_bb): Same.
2962         (sese_build_liveouts): Same.
2963         (sese_insert_phis_for_liveouts): Same.
2964         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2965         (defined_in_loop_p): New.
2966         (alive_after_loop): New.
2967         (close_phi_not_yet_inserted_p): New.
2968         (struct alep, alep_p): New.
2969         (add_loop_exit_phis): Remove from the rename_map all the names defined
2970         in the code generated loop.
2971         (insert_loop_close_phis): Traverse the rename_map passed to it.
2972         Don't use SESE_LIVEOUT_RENAMES.
2973         (default_liveout_before_guard): Renamed default_before_guard.
2974         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2975         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2976         (register_sese_liveout_renames): Removed.
2977         (copy_bb_and_scalar_dependences): Do not call it.
2978         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2979         reduction_list.
2980         (SESE_LIVEOUT): Removed.
2981         (SESE_LIVEOUT_RENAMES): Removed.
2982         (SESE_REDUCTION_LIST): Removed.
2983         (sese_build_liveouts): Removed.
2984         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2985         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2986         (insert_guard_phis): Same.
2987         (rename_map_elt): Declare a VEC of them.
2988         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2989         trees not pointers to trees.
2990
2991         Rewrite in canonical close SSA form:
2992         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2993         (limit_scops): Close the scop after the block containing the close phi
2994         nodes.
2995         (canonicalize_loop_closed_ssa): New.
2996         (canonicalize_loop_closed_ssa_form): New.
2997         (build_scops): Call canonicalize_loop_closed_ssa_form.
2998
2999         * graphite-sese-to-poly.c: Fix typos.
3000
3001 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3002
3003         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3004         Extended.
3005         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3006         (print_pbb): Add conditions.
3007
3008 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3009             Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3012         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3013         (build_scop_bbs_1): New.
3014         (build_scop_bbs): Rewrite.
3015         * sese.h (bb_in_region): New.
3016
3017 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3018
3019         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3020         poly_drs vector.
3021         (print_scop): Style.
3022         * graphite-poly.h (poly_bb): Add drs vector.
3023         (PBB_DRS): Add accessor.
3024         * graphite-sese-to-poly.c (build_poly_dr): New.
3025         (build_pbb_drs, build_scop_drs): New.
3026         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3027
3028 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3029
3030         * tree-ssa-loop.c: Include forgotten toplev.h
3031
3032 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3033
3034         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3035         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
3036         * testsuite/gcc.dg/graphite/pr37928.c: Same
3037         * testsuite/gcc.dg/graphite/pr38409.c: Same
3038         * testsuite/gcc.dg/graphite/pr38498.c: Same
3039         * testsuite/gcc.dg/graphite/pr38559.c: Same
3040         * testsuite/gcc.dg/graphite/pr39335.c: Same
3041         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
3042         * testsuite/gfortran.dg/graphite/block-2.f: Same
3043         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3044         with -floop-*.
3045
3046 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3047
3048         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3049         build_access_matrix, build_scop_data_accesses): Remove access function
3050         building. (We get a new version soon).
3051         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3052         * sese.h (nb_loops_around_loop_in_sese): Remove.
3053         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3054
3055 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3056             Sebastian Pop  <sebastian.pop@amd.com>
3057
3058         * graphite-scop-detection.c (struct scopdet_info): Rename last
3059         field to exit.
3060         (scopdet_basic_block_info, build_scops_1): Don't use
3061         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3062
3063 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3064             Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3067         * sese.c (sese_build_liveouts_use): Renamed from
3068         sese_build_livein_liveouts_use. Remove liveins.
3069         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3070         Call sese_build_liveouts_use.
3071         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3072         Call sese_build_liveouts_bb.
3073         (new_sese, free_sese): Remove liveins.
3074         (sese_add_exit_phis_var): Deleted.
3075         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3076         directly.
3077         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3078
3079         * sese.h (sese): Remove num_ver and livein.
3080         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3081
3082 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3083
3084         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3085
3086 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3087
3088         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3089         (build_scop_scattering): Do not use compare_prefix_loops any more.
3090         (nb_common_loops): New.
3091
3092 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3093
3094         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3095         (register_old_and_new_names): Renamed set_rename.
3096
3097 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3100         of the decl from the previous commit.
3101
3102 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * graphite-scop-detection.c (dot_scop): New.
3105         * graphite-scop-detection.h (dot_scop): Declared.
3106
3107 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3108
3109         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3110
3111 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3114         condition at the end of the loop.
3115         * graphite.c (graphite_initialize, graphite_finalize): Print to
3116         dump_file the compiled function.
3117         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3118         of create_empty_loop_on_edge.
3119         (translate_clast): Update the code generation of loops for the new
3120         shape of loops.
3121         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3122
3123 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3124
3125         Reverted the patch from 2009-03-19.
3126
3127 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3128
3129         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3130         poly_drs vector.
3131         (print_scop): Style.
3132         * graphite-poly.h (poly_bb): Add drs vector.
3133         (PBB_DRS): Add accessor.
3134         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3135         (build_access_matrix_with_af, build_access_matrix,
3136         build_scop_data_accesses): Delete.
3137         (build_poly_dr): New.
3138         (build_pbb_drs, build_scop_drs): New.
3139         (build_poly_scop): call build_scop_drs.
3140
3141 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3144         once per basic block.
3145
3146 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3149         (graphite_can_represent_expr): Renamed from loop_affine_expr
3150         and enhanced.
3151         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3152         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3153         (scopdet_basic_block_info): Actually define entry_block.
3154         (stmt_simple_memref_p): Moved here from ...
3155
3156         * tree-data-ref.c (stmt_simple_memref_p): here.
3157         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3158
3159 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3160
3161         * testsuite/gcc.dg/graphite/id-4.c: New.
3162
3163 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3166         (register_old_and_new_names): Update the content of the map.
3167         When there was already a rename_map_elt in the map at that
3168         location, free it.
3169         (copy_bb_and_scalar_dependences): Do rename_variables after
3170         expand_scalar_variables.
3171         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3172         of the map.  When there was already a rename_map_elt in the
3173         map at that location, free it.
3174         (translate_clast): Pass the rename_map.  Do not initialize and free
3175         a rename_map per stmt_user.
3176         (gloog): Initialize and free one rename_map and pass it to
3177         translate_clast.
3178
3179 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181         * sese.c (expand_scalar_variables_stmt,
3182         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3183         parameter.
3184         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3185         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3186         the gimple_stmt_iterator of the statement to be expanded.
3187         * graphite-scop-detection.c (is_simple_operand): Do handle
3188         REALPART_EXPR.
3189
3190 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3191
3192         * graphite-scop-detection.c (is_simple_operand): Do not handle
3193         REALPART_EXPR.
3194         * testsuite/gcc.dg/graphite/id-2.c: New.
3195
3196         * graphite-sese-to-poly.c (build_bb_loops,
3197         add_value_to_dim, scan_tree_for_params_right_scev,
3198         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3199         find_params_in_bb, build_loop_iteration_domains,
3200         add_conditions_to_domain): Remove subtract.
3201
3202 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3203
3204         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3205         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3206         pbb_loop_at_index -> gbb_loop_at_index.
3207         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3208         (debug_loop_vec): Delete.
3209         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3210         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3211         (PBB_LOOPS): Removed.
3212         (PBB_BLACK_BOX): Insert cast.
3213         (pbb_set_black_box): New setter.
3214         (pbb_loop_at_index, pbb_loop_index): Removed.
3215         (scop_set_region, scop_set_nb_params): New.
3216         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3217         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3218         (build_poly_scop): Use scop_set_nb_params.
3219         * sese.h (gimple_bb): Add LOOPS.
3220         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3221
3222 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3223
3224         Revert previous commit.
3225
3226 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3229         (register_old_and_new_names): Update the content of the map.
3230         When there was already a rename_map_elt in the map at that
3231         location, free it.
3232         (copy_bb_and_scalar_dependences): Do rename_variables after
3233         expand_scalar_variables.
3234         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3235         of the map.  When there was already a rename_map_elt in the
3236         map at that location, free it.
3237         (translate_clast): Pass the rename_map.  Do not initialize and free
3238         a rename_map per stmt_user.
3239         (gloog): Initialize and free one rename_map and pass it to
3240         translate_clast.
3241
3242 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3243
3244         Remove forgotten line in revert.
3245
3246 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3247
3248         Revert previous commit.
3249
3250 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * sese.c (register_old_and_new_names): Update the content
3253         of the map.  When there was already a rename_map_elt in the
3254         map at that location, free it.
3255         (copy_bb_and_scalar_dependences): Do rename_variables after
3256         expand_scalar_variables.
3257         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3258         of the map.  When there was already a rename_map_elt in the
3259         map at that location, free it.
3260         (translate_clast): Pass the rename_map.  Do not initialize and free
3261         a rename_map per stmt_user.
3262         (gloog): Initialize and free one rename_map and pass it to
3263         translate_clast.
3264
3265 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * graphite-clast-to-gimple.c (translate_clast): context_loop
3268         is never NULL.
3269
3270 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3271             Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3274         of the use of ppl_Polyhedron_map_space_dimensions.
3275
3276 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3277             Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3280         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3281         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3282         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3283         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3284         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3285         pbb_nb_params): New.
3286         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3287         nb_loops_around_pbb): Adapt return types.
3288
3289 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3290
3291         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3292         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3293         graphite-scop-detection.o, graphite-poly.o): Add
3294         more headers.
3295
3296 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3297
3298         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3299         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3300         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3301
3302 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3303
3304         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3305         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3306         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3307         * testsuite/gcc.dg/graphite/block-0.c: Same.
3308         * testsuite/gcc.dg/graphite/block-1.c: Same.
3309         * testsuite/gcc.dg/graphite/block-2.c: Same.
3310         * testsuite/gcc.dg/graphite/block-3.c: Same.
3311         * testsuite/gcc.dg/graphite/block-4.c: Same.
3312         * testsuite/gcc.dg/graphite/block-5.c: Same.
3313         * testsuite/gcc.dg/graphite/block-6.c: Same.
3314         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3315         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3316         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3317         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3318         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3319         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3320         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3321         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3322         * opts.c: Remove -floop-block from -O2.
3323         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3324         -floop-strip-mine are used.
3325
3326 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3327             Sebastian Pop  <sebastian.pop@amd.com>
3328
3329         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3330         dimensions.
3331         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3332         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3333         strip_mine_profitable_p, is_interchange_valid,
3334         graphite_trans_bb_block, graphite_trans_loop_block,
3335         graphite_trans_scop_block): Temporary removed.
3336         (extend_scattering, unify_scattering_dimensions): New.
3337         (print_scattering_function, graphite_read_transforms):
3338         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3339         (graphite_generate_scattering_fns): Removed.
3340         (apply_poly_transforms): Cleanup.
3341         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3342         (schedule_to_scattering): Moved.
3343         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3344         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3345         (pbb_nb_scattering): New.
3346         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3347         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3348         Removed.
3349         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3350         shift_poly.
3351         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3352         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3353         -> PBB_TRANSFORMED_SCATTERING.
3354         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3355         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3356         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3357         (check_poly_representation): Do not return bool.
3358         (graphite_transform_loops): Reformat.
3359         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3360
3361 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3364         debug_pbb_domain, debug_pbb, debug_scop): New.
3365         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3366         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3367
3368 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3369
3370         PR middle-end/39335
3371         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3372         when the type precision of the induction variable should be
3373         larger than the type precision of nit.
3374         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3375         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3376         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3377
3378         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3379         * testsuite/gcc.dg/graphite/pr39335.c: New.
3380
3381 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3382
3383         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3384         SSA_NAMES not struct reduction_info.
3385
3386 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3389
3390 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3391             Tobias Grosser  <grosser@fim.uni-passau.de>
3392
3393         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3394         (free_sese): Free SESE_REDUCTION_LIST.
3395         * sese.h (struct sese): Add field reduction_list.
3396         (SESE_REDUCTION_LIST): New.
3397         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3398         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3399
3400 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3401             Tobias Grosser  <grosser@fim.uni-passau.de>
3402
3403         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3404         of loop_p.
3405
3406 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3407             Tobias Grosser  <grosser@fim.uni-passau.de>
3408
3409         * tree-parloops.c (struct brli, build_reduction_list_info,
3410         analyze_reduction_list, gather_scalar_reductions): New.
3411         (loop_parallel_p): Build a reduction list containing only
3412         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3413         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3414         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3415         * tree-flow.h (gather_scalar_reductions): Declared.
3416
3417 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3418
3419         PR middle-end/39308
3420         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3421         number_of_iterations_exit from a gcc_assert.
3422
3423 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3424             Jan Sjodin  <jan.sjodin@amd.com>
3425
3426         * output.h (graphite_out_file, graphite_in_file): Declared.
3427         * toplev.c (graphite_out_file, graphite_in_file): New.
3428         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3429         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3430         Don't call schedule_to_scattering.
3431         * common.opt (fgraphite-write, fgraphite-read): New.
3432         * graphite-poly.c: Include output.h.
3433         (print_scattering_function, print_scattering_functions,
3434         debug_scattering_function, debug_scattering_functions,
3435         graphite_write_transforms, graphite_read_transforms,
3436         graphite_generate_scattering_fns): New.
3437         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3438         Call graphite_generate_scattering_fns, graphite_write_transforms,
3439         graphite_read_transforms.
3440         (new_poly_bb): Initialize PBB_SCATTERING.
3441         (free_poly_bb): Free PBB_SCATTERING.
3442         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3443         * graphite-poly.h (struct poly_bb): Add field scattering.
3444         (PBB_SCATTERING): New.
3445         (print_scattering_function, print_scattering_functions,
3446         debug_scattering_function, debug_scattering_functions): Declared.
3447         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3448         GMP values, not integers!
3449         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3450         ppl_read_polyhedron_matrix): New.
3451         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3452         debug_ppl_polyhedron_matrix,
3453         ppl_read_polyhedron_matrix): Declared.
3454         * Makefile.in (graphite-poly.o): Depends on output.h.
3455
3456 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3457             Tobias Grosser  <grosser@fim.uni-passau.de>
3458
3459         Revert this change:
3460         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3461         scalar evolutions in the scop_entry->loop_father.
3462
3463 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3464             Tobias Grosser  <grosser@fim.uni-passau.de>
3465
3466         * graphite.h (ref_nb_loops): Remove declaration.
3467         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3468         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3469         debug_gbb): Moved to sese.h.
3470         * sese.h: As said.
3471
3472 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3473             Tobias Grosser  <grosser@fim.uni-passau.de>
3474
3475         * graphite-data-ref.[ch]: Disable.
3476
3477 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3478             Tobias Grosser  <grosser@fim.uni-passau.de>
3479
3480         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3481         scalar evolutions in the scop_entry->loop_father.
3482
3483 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3486         (graphite_cannot_represent_loop_niter): Renamed
3487         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3488         (limit_scops): build_sese_loop_nests does not return a bool.
3489         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3490         * sese.c (nb_reductions_in_loop): ... from here.
3491         (graphite_loop_normal_form): ... from here.
3492         (sese_record_loop): Does not fail, so does not return a bool.
3493         (build_sese_loop_nests): Same.
3494         * sese.h (build_sese_loop_nests): Update declaration.
3495         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3496         (build_graphite_loop_normal_form): New.
3497         (gloog): Call build_graphite_loop_normal_form.
3498         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3499         build_sese_loop_nests.
3500
3501         * testsuite/gcc.dg/graphite/id-1.c: New.
3502
3503 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3504             Tobias Grosser  <grosser@fim.uni-passau.de>
3505
3506         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3507         The SCoP detection fix is sufficient.
3508
3509 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3510
3511         PR tree-optimization/39260
3512         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3513         the basic block contains a condition with a real type.
3514         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3515
3516         * gcc.dg/graphite/pr39260.c: New.
3517
3518 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * graphite-poly.c: Inlcude params.h.
3521         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3522         the size of a tile.
3523         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3524         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3525
3526 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3527             Tobias Grosser  <grosser@fim.uni-passau.de>
3528
3529         * graphite-scop-detection.c (dot_all_scops_1,
3530         dot_all_scops): Moved here.
3531         * graphite-scop-detection.h (dot_all_scops): Declared here.
3532         * graphite.c (graphite_initialize, graphite_finalize): New.
3533         (graphite_transform_loops): Cleaned up.
3534         * sese.c (debug_oldivs): Moved here.
3535         * graphite-poly.c (graphite_apply_transformations): Renamed
3536         apply_poly_transforms.
3537         (debug_loop_vec): Moved here.
3538         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3539         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3540         find_scop_parameters, build_scop_iteration_domain,
3541         add_conditions_to_constraints, build_scop_canonical_schedules,
3542         build_scop_data_accesses): Now static.
3543         (build_poly_scop, check_poly_representation): New.
3544
3545 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3548         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3549         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3550         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3551         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3552         scan_tree_for_params, struct irp_data, dx_record_params,
3553         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3554         build_loop_iteration_domains, add_conditions_to_domain,
3555         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3556         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3557         build_sese_conditions, add_conditions_to_constraints,
3558         build_scop_iteration_domain, build_access_matrix_with_af,
3559         build_access_matrix,
3560         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3561
3562         * graphite-sese-to-poly.c: New.
3563         * graphite-sese-to-poly.h: New.
3564
3565         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3566
3567 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3568
3569         * graphite.c: Split graphite code generation to a new file.
3570         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3571         max_precision_type, clast_to_gcc_expression_red,
3572         clast_to_gcc_expression, gcc_type_for_clast_expr,
3573         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3574         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3575         graphite_create_new_guard, clast_get_body_of_loop,
3576         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3577         graphite_create_new_loop, build_iv_mapping, copy_renames,
3578         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3579         compute_cloog_iv_types, free_scattering, save_var_name,
3580         initialize_cloog_names, build_scop_context, build_cloog_prog,
3581         set_cloog_options, debug_clast_stmt, scop_to_clast,
3582         print_generated_program, debug_generated_program,
3583         gloog): Moved to graphite-clast-to-gimple.c.
3584
3585         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3586
3587         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3588         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3589         loop_iv_stack_pop, loop_iv_stack_get_iv,
3590         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3591         free_loop_iv_stack, loop_iv_stack_remove_constants,
3592         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3593         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3594         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3595         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3596         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3597         get_vdef_before_sese, sese_adjust_vphi,
3598         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3599         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3600         is_iv, expand_scalar_variables_ssa_name,
3601         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3602         expand_scalar_variables, rename_variables, remove_condition,
3603         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3604         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3605         default_liveout_before_guard, add_guard_exit_phis,
3606         insert_guard_phis, register_old_and_new_names,
3607         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3608         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3609         if_region_set_false_region, create_if_region_on_edge,
3610         move_sese_in_condition): Moved to sese.c.
3611
3612         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3613         if_region_exit, if_region_get_condition_block,
3614         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3615         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3616         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3617         ivtype_map_elt, new_ivtype_map_elt,
3618         recompute_all_dominators): Moved to sese.h.
3619
3620         * graphite-clast-to-gimple.c: New.
3621         * graphite-clast-to-gimple.h: New.
3622         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3623         * sese.c: Modified as said above.
3624         * sese.h: Same.
3625
3626 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3627
3628         * graphite.c: Split scop detection to a new file.
3629         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3630         move_sd_regions, loop_affine_expr, exclude_component_ref,
3631         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3632         graphite_cannot_represent_loop_niter, struct scopdet_info,
3633         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3634         find_single_entry_edge, find_single_exit_edge,
3635         create_single_entry_edge, sd_region_without_exit,
3636         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3637         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3638         Moved to graphite-scop-detection.c.
3639
3640         * graphite-scop-detection.c: New.
3641         * graphite-scop-detection.h: New.
3642         * Makefile.in: Add new rule for graphite-scop-detection.o.
3643
3644         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3645         tree-scalar-evolution.h.
3646         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3647         build_sese_loop_nests): Moved here from graphite.c.
3648         (param_index): Renamed parameter_index_in_region.
3649
3650 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3651             Sebastian Pop  <sebastian.pop@amd.com>
3652
3653         * gcc.dg/graphite/block-0.c: Expected to fail now.
3654         * gcc.dg/graphite/block-1.c: Same.
3655         * gcc.dg/graphite/block-5.c: Same.
3656         * gcc.dg/graphite/block-6.c: Same.
3657
3658 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3659             Sebastian Pop  <sebastian.pop@amd.com>
3660
3661         * graphite.h: Separate from graphite_bb_p the polyhedral
3662         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3663         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3664         graphite-data-ref.h.
3665         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3666         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3667         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3668         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3669         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3670         scop_nb_params): Moved to graphite-poly.h.
3671         * graphite-data-ref.c: Same.
3672         * graphite-data-ref.h: New.
3673         * graphite.c: Same.
3674         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3675         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3676         is_interchange_valid, graphite_trans_bb_block,
3677         graphite_trans_loop_block, scop_max_loop_depth,
3678         graphite_trans_scop_block, graphite_apply_transformations,
3679         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3680         graphite-poly.c.
3681         * graphite-poly.h: New.
3682         * graphite-poly.c: New.
3683         * Makefile.in (OBJS-common): Add graphite-poly.o.
3684         (graphite-poly.o): New rule.
3685         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3686         (DR_SCOP): Removed.
3687
3688 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3689             Tobias Grosser  <grosser@fim.uni-passau.de>
3690
3691         * graphite.c: Replace gb -> gbb.
3692         * graphite.h: Same.
3693         * graphite-data-ref.c: Same.
3694
3695 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3696             Tobias Grosser  <grosser@fim.uni-passau.de>
3697
3698         * Makefile.in (OBJS-commmon): Add sese.o.
3699         (sese.o): New.
3700         (graphite.o): Add sese.h.
3701         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3702         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3703         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3704         Move to sese.
3705         (block_before_scop): Add missing return.
3706         (new_scop, free_scop): Remove SESE data structures.
3707         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3708         find_scop_parameters, build_loop_iteration_domains,
3709         add_conditions_to_domain, register_scop_liveout_renames,
3710         copy_bb_and_scalar_dependences): Scop -> SESE.
3711
3712         (add_conditions_to_domain): SCoP -> SESE and remove check
3713         (scop_contains_non_iv_scalar_phi_nodes): New.
3714         (build_scop_conditions_1, build_scop_conditions): Remove check for
3715         non iv scalar phi nodes.
3716         (print_scop_statistics): New.
3717         (graphite_transform_loops): Cleanup.
3718
3719         * graphite.h: Move to sese & cleanup.
3720         * sese.c: New.
3721         * sese.h: New.
3722
3723 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3724             Tobias Grosser  <grosser@fim.uni-passau.de>
3725
3726         * graphite.c (build_scop_conditions_1): Conditions are only
3727         at the end of a basic block.
3728
3729 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3730             Tobias Grosser  <grosser@fim.uni-passau>
3731
3732         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3733         field.
3734         (GBB_ALPHA): Removed.
3735
3736 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3737             Tobias Grosser  <grosser@fim.uni-passau.de>
3738
3739         * graphite-data-ref.c (graphite_test_dependence): Don't use
3740         GBB_DYNAMIC_SCHEDULE.
3741         * graphite.c (new_graphite_bb): Same.
3742         (free_graphite_bb): Same.
3743         (build_scop_dynamic_schedules): Removed.
3744         (graphite_transform_loops): Don't call it.
3745         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3746         (GBB_DYNAMIC_SCHEDULE): Removed.
3747
3748 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3749             Tobias Grosser  <grosser@fim.uni-passau.de>
3750
3751         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3752         (print_graphite_bb): Same.
3753         (build_cloog_prog): Same.
3754
3755 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3756             Tobias Grosser  <grosser@fim.uni-passau.de>
3757
3758         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3759
3760 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3761             Tobias Grosser  <grosser@fim.uni-passau.de>
3762
3763         * graphite.c (build_scop_context): Don't use CloogMatrix.
3764         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3765         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3766
3767 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3768             Tobias Grosser  <grosser@fim.uni-passau.de>
3769
3770         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3771         liveout_renames, add_params fields...
3772         (struct sese): ... here.
3773         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3774         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3775
3776 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3777             Tobias Grosser  <grosser@fim.uni-passau.de>
3778
3779         * graphite.c (print_scop): Do not print the CLooG program.
3780         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3781         build_cloog_prog, gloog): Don't use SCOP_PROG.
3782         (find_transform): Renamed scop_to_clast.
3783         (print_generated_program, debug_generated_program): New.
3784         (graphite_transform_loops): Adapt to new interface.
3785         * graphite.h (struct scop): Remove program field.
3786         (SCOP_PROG): Removed.
3787         (print_generated_program, debug_generated_program): Declared.
3788
3789 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3790
3791         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3792         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3793         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3794         free_graphite_bb, build_scop_canonical_schedules,
3795         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3796         schedules are now represented using a ppl_Linear_Expression_t.
3797         * graphite.h (struct graphite_bb): Same.
3798         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3799         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3800
3801 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * graphite.c: Free local memory.
3804         * graphite-ppl.c: Same.
3805
3806 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3809         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3810         swap_constraint_variables, scale_constraint_variable): Removed.
3811         (graphite_trans_bb_strip_mine): Remove pong.
3812         * graphite-ppl.c: Include missing header files.
3813         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3814         * graphite-ppl.h (ppl_strip_loop): Declared.
3815         * Makefile.in (graphite-ppl.o): Adjust dependences.
3816
3817 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3820         (build_scop_iteration_domain): Same.
3821
3822 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3825         ping pong.
3826         (add_value_to_dim, scan_tree_for_params_right_scev,
3827         scan_tree_for_params_int): New.
3828         * graphite-ppl.c (oppose_constraint): New.
3829         (insert_constraint_into_matrix): Implement missing cases.
3830         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3831
3832 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3835         use ppl_move_dimension.
3836
3837 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3840         * graphite.c: Same.
3841         * graphite.h: Same.
3842         * graphite-ppl.c: Same.
3843         * graphite-ppl.h: Same.
3844
3845 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3846
3847         Revert last 3 commits.
3848
3849 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3850
3851         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3852         ping pong.
3853         (add_value_to_dim, scan_tree_for_params_right_scev,
3854         scan_tree_for_params_int): New.
3855         * graphite-ppl.c (oppose_constraint): New.
3856         (insert_constraint_into_matrix): Implement missing cases.
3857         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3858
3859 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3862
3863 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3864             Tobias Grosser  <grosser@fim.uni-passau.de>
3865
3866         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3867         use ppl_move_dimension.
3868         * graphite-ppl.c (ppl_move_dimension): New.
3869         * graphite-ppl.h (ppl_move_dimension): Declared.
3870
3871 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3872
3873         * graphite.c: Do not include cloog/cloog.h.
3874         (print_graphite_bb): Remove ping pong, call PPL print function.
3875
3876 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3877
3878         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3879         (graphite.o): Add dependence on graphite-ppl.h.
3880         (graphite-ppl.o): New.
3881         (graphite-data-ref.c): Ping pong between PPL data structures
3882         and matrices.
3883         * graphite-ppl.c: New.
3884         * graphite-ppl.h: New.
3885         * graphite.c: Include graphite-ppl.h.
3886         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3887         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3888         Ping pong between PPL data structures and matrices.
3889         (new_graphite_bb): Create a PPL constraint system.
3890         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3891         (build_loop_iteration_domains): Use PPL functions.
3892         * graphite.h: Include graphite-ppl.h.  Fix comments.
3893         (graphite_bb): Use a ppl_Constraint_System_t instead of
3894         CloogMatrix for representing the domain.
3895         (scop): Remove static_schedule.
3896         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3897
3898 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3899
3900         * graphite.c: Fix some comments.
3901
3902 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3903
3904         PR middle-end/38953
3905         * graphite.c (if_region_set_false_region): After moving a region
3906         in the false branch of a condition, remove the empty dummy
3907         basic block.
3908         (gloog): Remove wrong fix for PR38953.
3909
3910 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3911
3912         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3913         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3914         register_bb_in_sese, new_sese, free_sese): Moved.
3915         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3916         outermost_loop_in_scop, build_scop_iteration_domain,
3917         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3918         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3919         Use loop_in_sese_p instead of loop_in_scop_p.
3920         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3921         (free_scop): Do not free SCOP_BBS_B.
3922         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3923         ref_nb_loops): Moved here...
3924         * graphite.h (ref_nb_loops): ... from here.
3925         (struct scop): Remove bbs_b bitmap.
3926         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3927         * testsuite/gcc.dg/graphite/scop-19.c: New
3928
3929 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3930
3931         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3932         detection.
3933
3934 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3935
3936         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3937         eq_loop_to_cloog_loop): Remove.
3938         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3939         * graphite.h (struct scop): Remove loop2cloog_loop.
3940         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3941
3942 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3943
3944         * opts.c (decode_options): Only add graphite options to O2
3945         if we compile with graphite enabled.
3946
3947 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3948
3949         * Merge from mainline (r143163:143684).
3950
3951 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3952
3953         * graphite.c (debug_value): Removed.
3954         * graphite.h (debug_value): Removed.
3955
3956 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3957
3958         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3959         after graphite: pass_copy_prop does not maintain a proper loop closed
3960         SSA form.  pass_copy_prop should be fixed.
3961
3962 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3965
3966 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3969         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3970         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3971         changed the CFG.
3972
3973 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3974
3975         * graphite.c (gloog): Return true when code gen succeeded.
3976         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3977         the code of the function did not changed.  After cleanup_tree_cfg
3978         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3979         form.
3980
3981 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3984         gimple_call_lhs is NULL.
3985
3986 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3987             Tobias Grosser  <tobi.grosser@amd.com>
3988
3989         * graphite.c (graphite_trans_scop_block): Do not block single
3990         nested loops.
3991
3992 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3993             Tobias Grosser  <tobi.grosser@amd.com>
3994
3995         * graphite.c (build_scop_canonical_schedules): Start schedules at
3996         zero.
3997
3998 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3999             Tobias Grosser  <tobi.grosser@amd.com>
4000
4001         * graphite.c (compare_prefix_loops): New.
4002         (build_scop_canonical_schedules): Rewritten.
4003         (graphite_transform_loops): Move build_scop_canonical_schedules
4004         after build_scop_iteration_domain.
4005
4006 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4007             Tobias Grosser  <tobi.grosser@amd.com>
4008
4009         * graphite.c (add_conditions_to_domain): Add the loops to
4010         the dimension of the iteration domain.  Do copy the domain
4011         only when it exists.
4012         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4013         (add_conditions_to_constraints): New.
4014         (can_generate_code_stmt, can_generate_code): Removed.
4015         (gloog): Do not call can_generate_code.
4016         (graphite_transform_loops): Call add_conditions_to_constraints
4017         after building the iteration domain.
4018
4019 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4020             Tobias Grosser  <tobi.grosser@amd.com>
4021             Jan Sjodin  <jan.sjodin@amd.com>
4022
4023         * graphite.c (scan_tree_for_params): On substractions negate
4024         all the coefficients of the term.
4025         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4026         of more than two operands.
4027         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4028         (get_vdef_before_scop): Handle also the case of default definitions.
4029
4030 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4031
4032         PR middle-end/38431
4033         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4034         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4035         (gloog): Do not call cleanup_tree_cfg.
4036         (graphite_transform_loops): Call cleanup_tree_cfg after all
4037         scops have been code generated.
4038
4039 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4040
4041         * passes.c (init_optimization_passes): Schedule after
4042         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4043
4044 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4045
4046         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4047         Fix comment.
4048         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4049         Set the type of an expression to the type of its assign statement.
4050         (expand_scalar_variables_expr):  Do not pass loop_p.
4051         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4052         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4053         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4054
4055 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4056
4057         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4058         an expression to the gimple_expr_type of its assign statement.
4059         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4060         or tcc_declaration.
4061
4062 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4063
4064         PR tree-optimization/38786
4065         * testsuite/gcc.dg/graphite/pr38786.c: New.
4066         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4067         the SSA_NAME case of expand_scalar_variables_expr.
4068         (expand_scalar_variables_expr): Also gather the scalar computation
4069         used to index the memory access.
4070         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4071         the gimple_stmt_iterator where it inserts new code.
4072
4073 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4074
4075         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4076
4077 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4078
4079         * opts.c (decode_options): Enable flag_graphite_identity and
4080         flag_loop_block in -O2 and above.
4081
4082 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4083
4084         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4085         Fix merge problem: replace with the file from trunk.
4086
4087 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4088
4089         * Merge from mainline (r141727:143163).
4090
4091 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4092             Jan Sjodin  <jan.sjodin@amd.com>
4093
4094         PR tree-optimization/38559
4095         * testsuite/gcc.dg/graphite/pr38559.c: New.
4096
4097         * graphite.c (debug_value, copy_constraint,
4098         swap_constraint_variables, scale_constraint_variable, ): New.
4099         (get_lower_bound, get_upper_bound): Removed.
4100         (graphite_trans_bb_strip_mine): Clean up this code that works
4101         only for constant number of iterations.  Fully copy upper and
4102         lower bound constraints, not only the constant part of them.
4103         * graphite.h (debug_value): Declared.
4104
4105 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4106
4107         PR tree-optimization/38492
4108         PR tree-optimization/38498
4109         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4110         * tree-chrec.h (scev_is_linear_expression): Declared.
4111         * graphite.c (graphite_cannot_represent_loop_niter): New.
4112         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4113         (graphite_loop_normal_form): Use gcc_assert.
4114         (scan_tree_for_params): Use CASE_CONVERT.
4115         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4116         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4117         Use gcc_assert.  Discard scops that contain unhandled cases.
4118         (build_scop_conditions): Return a boolean status for unhandled cases.
4119         (strip_mine_profitable_p): Print the loop number, not its depth.
4120         (is_interchange_valid): Pass the depth of the loop nest, don't
4121         recompute it wrongly.
4122         (graphite_trans_bb_block): Same.
4123         (graphite_trans_bb_block): Print tentative of loop blocking.
4124         (graphite_trans_scop_block): Do not print that the loop has been
4125         blocked.
4126         (graphite_transform_loops): Do not handle scops that contain condition
4127         scalar phi nodes.
4128
4129         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4130         in trunk.
4131         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4132         * testsuite/gcc.dg/graphite/block-1.c: Same.
4133         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4134         blocking.
4135         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4136         * testsuite/gcc.dg/graphite/block-3.c: New.
4137         * testsuite/gcc.dg/graphite/pr38498.c: New.
4138
4139 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4140
4141         PR tree-optimization/38510
4142         * gcc.dg/graphite/pr38510.c: New.
4143         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4144           (translate_clast): Call recompute_all_dominators before
4145           graphite_verify.
4146           (gloog): Call recompute_all_dominators before graphite_verify.
4147
4148 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4149
4150         PR tree-optimization/38492
4151         * graphite.c (rename_map_elt, debug_rename_elt,
4152         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4153         rename_map_elt_info, eq_rename_map_elts,
4154         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4155         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4156         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4157         (sese_build_livein_liveouts): New.
4158         (new_sese, free_sese): New.
4159         (new_scop): Call new_sese.
4160         (free_scop): Call free_sese.
4161         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4162         (register_old_new_names): Renamed register_old_and_new_names.
4163         (register_scop_liveout_renames, add_loop_exit_phis,
4164         insert_loop_close_phis, struct igp,
4165         default_liveout_before_guard, add_guard_exit_phis,
4166         insert_guard_phis, copy_renames): New.
4167         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4168         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4169         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4170         (scop_adjust_phis_for_liveouts): New.
4171         (gloog): Call scop_adjust_phis_for_liveouts.
4172
4173         * graphite.h (struct sese): Documented.  Added fields liveout,
4174         num_ver and livein.
4175         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4176         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4177         (struct scop): Added field liveout_renames.
4178         (SCOP_LIVEOUT_RENAMES): New.
4179
4180 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4181
4182         PR tree-optimization/38409
4183         * gcc.dg/graphite/pr38409.c: New.
4184         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4185
4186 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4187
4188         * graphite.c (gcc_type_for_cloog_iv): By default return
4189         integer_type_node.
4190         (graphite_create_new_loop): Don't fold_convert the already
4191         fold_convert-ed expression.
4192
4193 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4194
4195         PR tree-optimization/38446
4196         * gcc.dg/graphite/pr38446.c: New.
4197         * graphite.c (register_bb_in_sese): New.
4198         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4199         looking at the bbs in the region.
4200         * graphite.h (sese): Add region_basic_blocks pointer set to
4201         structure and initialize at the time of defining new scop.
4202
4203 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4204
4205         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4206         (find_params_in_bb): Do not free data refs.
4207         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4208
4209 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4212         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4213         * testsuite/gcc.dg/graphite/block-5.c: New.
4214         * testsuite/gcc.dg/graphite/block-6.c: New.
4215         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4216         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4217         * testsuite/gcc.dg/graphite/block-2.c: Same.
4218
4219         * graphite.c (struct ivtype_map_elt): New.
4220         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4221         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4222         gcc_type_for_cloog_iv): New.
4223         (loop_iv_stack_patch_for_consts): Use the type of the induction
4224         variable from the original loop, except for the automatically
4225         generated loops, i.e., in the case of a strip-mined loop, in
4226         which case there is no original loop: in that case just use
4227         integer_type_node.
4228         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4229         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4230         (clast_name_to_gcc): Accept params to be NULL.
4231         (clast_to_gcc_expression): Take an extra parameter for the type.
4232         Convert to that type all the expressions built by this function.
4233         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4234         (graphite_translate_clast_equation): Compute the type of the
4235         clast_equation before translating its LHS and RHS.
4236         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4237         (graphite_create_new_loop): Compute the type of the induction
4238         variable before translating the lower and upper bounds and before
4239         creating the induction variable.
4240         (rename_variables_from_edge, rename_phis_end_scop): New.
4241         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4242         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4243         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4244         compute_cloog_iv_types): New.
4245         (gloog): Call compute_cloog_iv_types before starting the
4246         translation of the clast.
4247
4248         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4249         (GBB_CLOOG_IV_TYPES): New.
4250         (debug_ivtype_map): Declared.
4251         (oldiv_for_loop): New.
4252
4253 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4254
4255         PR middle-end/38459
4256         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4257         (param_index): Assert if parameter is not know after parameter
4258         detection.
4259         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4260         (find_scop_parameters): Mark, that we have finished parameter
4261         detection.
4262         (graphite_transform_loops): Move condition detection before parameter
4263         detection.
4264         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4265         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4266
4267 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4268
4269         * graphite.c (graphite_transform_loops): Always call find_transform ()
4270         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4271         generate code.
4272
4273 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4274
4275         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4276         (print_scop): Ditto.
4277
4278 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4279
4280         PR middle-end/38084
4281         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4282         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4283         regions more than once.
4284
4285 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4286
4287         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4288         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4289         when not needed.
4290
4291 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4292
4293         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4294         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4295         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4296         (max_precision_type): New.
4297         (value_clast): Removed.
4298         (clast_to_gcc_expression): Be more careful to types of expressions.
4299         Use max_precision_type and update use of gmp_cst_to_tree.
4300         (graphite_translate_clast_equation): Use max_precision_type.
4301         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4302         use the type of the condition.
4303         (graphite_create_new_loop): Do not use integer_type_node, use the
4304         max_precision_type of lb and ub.
4305
4306 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4307
4308         * graphite.c (build_scops_1): Initialize open_scop.exit
4309         and sinfo.last.
4310
4311 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * testsuite/gcc.dg/graphite/pr38084.c: New.
4314         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4315         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4316         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4317         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4318         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4319
4320 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4321             Jan Sjodin  <jan.sjodin@amd.com>
4322             Harsha Jagasia  <harsha.jagasia@amd.com>
4323
4324         PR middle-end/37852
4325         PR middle-end/37883
4326         PR middle-end/37928
4327         PR middle-end/37980
4328         PR middle-end/38038
4329         PR middle-end/38039
4330         PR middle-end/38073
4331         PR middle-end/38083
4332         PR middle-end/38125
4333
4334         * testsuite/gcc.dg/graphite/pr38073.c: New.
4335         * testsuite/gcc.dg/graphite/pr37928.c: New.
4336         * testsuite/gcc.dg/graphite/pr37883.c: New.
4337         * testsuite/gcc.dg/graphite/pr38125.c: New.
4338         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4339         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4340         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4341
4342         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4343         the number of detected scops.  Copy exact same test for loop
4344         blocking...
4345         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4346         loops to be blocked as reductions are not handled.
4347         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4348
4349         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4350         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4351         ...here.
4352         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4353         * Makefile.in (graphite.o): Depend on value-prof.h.
4354         (graphite.o-warn): Removed -Wno-error.
4355         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4356         to be a NULL pointer.  Call update_stmt.  Return the newly created
4357         cannonical induction variable.
4358
4359         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4360
4361         * graphite.c: Reimplement the code generation from graphite to gimple.
4362         Include value-prof.h.
4363         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4364         (get_old_iv_from_ssa_name): Removed.
4365         (graphite_stmt_p): New.
4366         (new_graphite_bb): Test for useful statements before building a
4367         graphite statement for the basic block.
4368         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4369         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4370         reason.
4371         (recompute_all_dominators, graphite_verify,
4372         nb_reductions_in_loop, graphite_loop_normal_form): New.
4373         (scop_record_loop): Call graphite_loop_normal_form.
4374         (build_scop_loop_nests): Iterate over all the blocks of the
4375         function instead of relying on the incomplete information from
4376         SCOP_BBS.  Return the success of the operation.
4377         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4378         (add_bb_domains): Removed.
4379         (build_loop_iteration_domains): Don't call add_bb_domains.
4380         Add the iteration domain only to the basic blocks that have been
4381         translated to graphite.
4382         (build_scop_conditions_1): Add constraints only if the basic
4383         block have been translated to graphite.
4384         (build_scop_data_accesses): Completely disabled until data
4385         dependence is correctly implemented.
4386         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4387         (remove_all_edges_1, remove_all_edges): Removed.
4388         (get_new_name_from_old_name): New.
4389         (graphite_rename_variables_in_stmt): Renamed
4390         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4391         Use replace_exp and update_stmt.
4392         (is_old_iv): Renamed is_iv.
4393         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4394         Use replace_exp and update_stmt.
4395         (expand_scalar_variables_expr): Same.  Use the map to get the
4396         new names for the renaming of induction variables and for the
4397         renaming of variables after a basic block has been copied.
4398         (expand_scalar_variables): Same.
4399         (graphite_rename_variables): Renamed rename_variables.
4400         (move_phi_nodes): Removed.
4401         (get_false_edge_from_guard_bb): New.
4402         (build_iv_mapping): Do not insert the induction variable of a
4403         loop in the renaming iv map if the basic block does not belong
4404         to that loop.
4405         (register_old_new_names, graphite_copy_stmts_from_block,
4406         copy_bb_and_scalar_dependences): New.
4407         (translate_clast): Heavily reimplemented: copy basic blocks,
4408         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4409         At each translation step call graphite_verify ensuring the
4410         consistency of the SSA, loops and dominators information.
4411         (collect_virtual_phis, find_vdef_for_var_in_bb,
4412         find_vdef_for_var_1, find_vdef_for_var,
4413         patch_phis_for_virtual_defs): Removed huge hack.
4414         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4415         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4416         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4417         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4418         if_region_get_condition_block, if_region_set_false_region,
4419         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4420         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4421         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4422         rewrite_into_sese_closed_ssa): New.
4423         (gloog): Remove dead code.  Early return if code cannot be
4424         generated.  Call cleanup_tree_cfg once the scop has been code
4425         generated.
4426         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4427         block loops with less than two loops.
4428         (graphite_apply_transformations): Remove the call to
4429         scop_remove_ignoreable_gbbs.
4430         (limit_scops): When build_scop_loop_nests fails, continue on
4431         the next scop.  Fix open_scop.entry.
4432         (graphite_transform_loops): Call recompute_all_dominators: force the
4433         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4434         Call initialize_original_copy_tables and free_original_copy_tables
4435         to be able to copy basic blocks during code generation.
4436         When build_scop_loop_nests fails, continue on next scop.
4437         (value_clast): New union.
4438         (clast_to_gcc_expression): Fix type cast warning.
4439
4440 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4441
4442         * Merge from mainline (r140838:141727).
4443
4444 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4445
4446         PR middle-end/37833
4447
4448         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4449
4450 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4451
4452         PR middle-end/37943
4453
4454         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4455         exits and conditions.
4456         * testsuite/gcc.dg/graphite/pr37943.c: New.
4457
4458 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4459
4460         PR middle-end/37886
4461         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4462
4463 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4464
4465         * doc/invoke.texi: Fix spaces.
4466
4467 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4468
4469         PR tree-optimization/37891
4470         Reverted last commit.
4471         * graphite.c (create_single_entry_edge): Set
4472         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4473
4474 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4475             Mitul Thakkar  <mitul.thakkar@amd.com>
4476
4477         * graphite.c (create_single_entry_edge): Set
4478         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4479
4480 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4481
4482         * doc/invoke.texi: Add -fgraphite-identity.
4483         * graphite.c (graphite_apply_transformations): Check for
4484         -fgraphite-identity.
4485         * toplev.c (process_options): Add flag_graphite_identity.
4486         * tree-ssa-loop.c: Add flag_graphite_identity.
4487
4488 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4489
4490         Undo changes from 2008-10-02:
4491         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4492         operand type when copying the operand to a variable of different type.
4493         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4494         with the IV name after increment.
4495
4496 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4497             Harsha Jagasia  <harsha.jagasia@amd.com>
4498
4499         PR tree-optimization/37828
4500         * testsuite/gcc.dg/graphite/pr37828.c: New.
4501         * graphite.c (graphite_trans_loop_block): Do not loop block
4502         single nested loops.
4503
4504 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4505             Sebastian Pop  <sebastian.pop@amd.com>
4506
4507         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4508         rename_map_elt_info, eq_rename_map_elts): New.
4509         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4510         (expand_scalar_variables_expr): Change parameters.
4511         (expand_scalar_variables_stmt): Same.
4512         (expand_scalar_variables): Same.
4513         (graphite_rename_ivs): Rename graphite_rename_variables.
4514         (build_iv_mapping): New.
4515         (translate_clast): Call build_iv_mapping.
4516         * graphite.h (gbb_p): New name.
4517
4518 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4519
4520         PR tree-optimization/37684
4521         * gcc.dg/graphite/pr37684.c: New.
4522         * graphite.c (exclude_component_ref): New.
4523         (is_simple_operand): Call exclude_component_ref.
4524
4525 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4526             Harsha Jagasia  <harsha.jagasia@amd.com>
4527
4528         PR tree-optimization/37485
4529         * gcc.dg/graphite/block-2.c: New
4530         * graphite.c (gmp_cst_to_tree): Moved.
4531         (iv_stack_entry_is_constant): New.
4532         (iv_stack_entry_is_iv): New.
4533         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4534         (loop_iv_stack_insert_constant): New.
4535         (loop_iv_stack_pop): Use new datatpype.
4536         (loop_iv_stack_get_iv): Same.
4537         (loop_iv_stack_get_iv_from_name): Same.
4538         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4539         (loop_iv_stack_patch_for_consts): New.
4540         (loop_iv_stack_remove_constants): New.
4541         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4542         (translate_clast): Call loop_iv_stack_patch_for_consts and
4543         loop_iv_stack_remove_constants.
4544         (gloog): Use new datatype.  Redirect construction edge to end
4545         block to avoid accidental deletion.
4546         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4547         iv stack entry.
4548         (union iv_stack_entry_data): New.  Data in iv stack entry.
4549         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4550
4551 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4552
4553         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4554         operand type when copying the operand to a variable of different type.
4555
4556 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4557
4558         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4559         with the IV name after increment.
4560
4561 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4562
4563         * Merge from mainline (r140164:140838).
4564
4565 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4566
4567         * graphite-data-ref.c: New.
4568         * graphite.c (print_scop): Also dump the dependence graph.
4569         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4570         (new_scop): Initialize SCOP_DEP_GRAPH.
4571         (build_scop_dynamic_schedules): New.
4572         (build_access_matrix_with_af): Fixed column numbering.
4573         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4574         * graphite.h: Add ifndef/define guards against multiple inclusion.
4575         (struct scop): Add dep_graph field.
4576         (SCOP_DEP_GRAPH): Defined.
4577         (ref_nb_loops): Fixed and moved to other position.
4578         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4579         (nb_loops_around_loop_in_scop): New.
4580         (graphite_dump_dependence_graph): Declared.
4581         (graphite_build_rdg_all_levels): Declared.
4582         (graphite_test_dependence): Declared.
4583         * Makefile.in (graphite-data-ref.o): New target.
4584
4585 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4586
4587         * Merge from mainline (139870:140164).
4588
4589 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4590
4591         * Merge from mainline (138275:139870).
4592         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4593         the commits from trunk broke the niter detection.
4594
4595 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * graphite.c: Add more documentation.  Fix formatting.
4598         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4599         loop_iv_stack_debug): Moved...
4600         (schedule_to_scattering): Move before use.
4601         (dot_all_scops): Include in "#if 0" the code for system
4602         call dotty.
4603
4604         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4605         loop_iv_stack_debug): ...here.
4606
4607 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4608
4609         * tree-phinodes.c (make_phi_node): Extern.
4610         (add_phi_node_to_bb): New.
4611         (create_phi_node): Call add_phi_node_to_bb.
4612         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4613         (remove_statement): Handle case where stored phi was updated
4614         and is no longer the same.
4615         * graphite.c (is_parameter): New.
4616         (is_old_iv): New.
4617         (expand_scalar_variables_expr): New.
4618         (expand_scalar_variables_stmt): New.
4619         (expand_scalar_variables): New.
4620         (move_phi_nodes): Create new phi instead of moving old one.
4621         (translate_clast): Call expand_scalar_variables.
4622         (find_vdef_for_var_in_bb): Also scan regular definitions.
4623         (skip_phi_defs): New.
4624         (collect_scop_exit_phi_args): New.
4625         (patch_scop_exit_phi_args): New.
4626         (gloog): Patch phis after scop.
4627         * tree-flow.h: (add_phi_node_to_bb): Declared.
4628         (make_phi_node): Declared.
4629
4630 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4631
4632         * graphite.c (end_scop): Split the entry of the scop when it
4633         is the header of the loop in which the scop is ending.
4634         (build_scops_1, limit_scops): Update uses of end_scop.
4635
4636 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4637
4638         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4639         SCOP_ENTRY or SCOP_EXIT.
4640
4641 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4642
4643         * graphite.c (get_construction_edge): Removed.
4644         (gloog): Construction edge is the scop entry edge.
4645
4646 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4647
4648         * graphite.c (can_generate_for_scop): Removed.
4649         (gloog): Do not call it.
4650
4651 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * graphite.c (new_scop): Entry of a scop is an edge.
4654         Initialize SESE region.
4655         (free_scop): Free SESE region.
4656         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4657         (split_difficult_bb): New, split from end_scop.
4658         (end_scop): Exit of a scop is an edge.
4659         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4660         not automatically updated and thus is always wrong.
4661         * graphite.h (struct sese): New.
4662         (SESE_ENTRY): New.
4663         (SESE_EXIT): New.
4664         (struct scop): New field for a SESE region.  Remove entry, exit.
4665         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4666         semantics as before.  Moved comment around.
4667
4668 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4669             Sebastian Pop  <sebastian.pop@amd.com>
4670
4671         * graphite.c (graphite_transform_loops): Always enable gloog
4672         and find_transform when ENABLE_CHECKING.
4673
4674 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4675
4676         * graphite.c (graphite_transform_loops): Move pretty printer
4677         of SCOPs before doing any transform.  Remove call to print_scops
4678         and dot_all_scops_1.
4679
4680 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4681
4682         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4683         (print_graphite_bb): Same.
4684
4685 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4686
4687         * graphite.c (dot_all_scops_1): Cleanup.
4688         (move_scops): Fix comment.
4689
4690 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4691
4692         * graphite.c (build_scop_bbs): Revert commit 139355:
4693
4694         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4695                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4696
4697                 * graphite.c (build_scop_bbs): Factor up code.
4698
4699 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4700
4701         * graphite.c (gloog): Update dominator info.
4702
4703 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4704
4705         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4706
4707 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4708
4709         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4710         initialization.
4711         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4712         (translate_clast): Correct formatting.
4713         * graphite.h (struct num_map): Removed.
4714         (struct graphite_bb): Remove num_map field.
4715         (GBB_INDEX_TO_NUM_MAP): Removed.
4716
4717 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4718
4719         * graphite.c (build_access_matrix_with_af): Fix comments.
4720         (build_scop_data_accesses): Same.
4721
4722 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4723
4724         * graphite.c (build_scop_data_accesses): Don't construct
4725         access matrices.  Add a FIXME and an assert condition that
4726         should pass when the access matrices will be needed.
4727
4728 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4729
4730         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4731         really_constant_p.
4732         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4733         Moved close by free_graphite_bb.
4734         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4735         (new_scop): Move close by free_scop.
4736         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4737
4738 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4739
4740         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4741         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4742         instead of recursive call.
4743         (graphite_translate_clast_equation): New.
4744         (graphite_create_guard_cond_expr): New.
4745         (graphite_create_new_guard): New.
4746         (get_stack_index_from_iv): Removed.
4747         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4748         (get_true_edge_from_guard_bb): New.
4749         (translate_clast): Handle stmt_guard in clast.
4750         (get_construction_edge): Allow construction edge detection for
4751         a scope entry with multiple predecessors if one predecessor is
4752         the immediate dominator of scope entry.
4753         (can_generate_code_stmt): Enable code generation for clast_guard.
4754         (gloog): Use correct context loop.  Removed check for post dominators.
4755         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4756
4757 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4758
4759         * graphite.c (remove_dead_loops): Document better which
4760         loops are removed.
4761
4762 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4763
4764         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4765         and PPLINC.
4766         (graphite.o): Also depends on pointer-set.h.
4767
4768 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         * graphite.c (scop_record_loop): Fix compile warning.
4771
4772 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4773             Sebastian Pop  <sebastian.pop@amd.com>
4774
4775         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4776
4777 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4778
4779         * graphite.c (build_graphite_bb): Initialize bb->aux to
4780         point to the graphite_bb_p.
4781         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4782         content of bb->aux.
4783         (add_bb_domains): Does not use the scop parameter.
4784         (graphite_transform_loops): Clean bb->aux at the end.
4785
4786 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4787             Sebastian Pop  <sebastian.pop@amd.com>
4788
4789         * testsuite/lib/target-supports.exp
4790         (check_effective_target_fgraphite): New.
4791
4792         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4793         check_effective_target_fgraphite returns false.
4794         Set dg-do-what-default to compile.
4795         (scan-graphite-dump-times): Removed.
4796         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4797
4798         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4799         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4800         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4801         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4802         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4803         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4804         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4805         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4806         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4807         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4808         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4809         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4810         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4811         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4812         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4813         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4814         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4815         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4816         * testsuite/gcc.dg/graphite/block-0.c: Same.
4817         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4818         * testsuite/gcc.dg/graphite/block-1.c: Same.
4819         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4820         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4821         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4822         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4823         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4824
4825 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4826
4827         * graphite.c: Fix some XXX comments.
4828         (build_scop_dynamic_schedules): Removed.
4829
4830 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4831
4832         * graphite.h (scop_max_loop_depth): Moved...
4833         * graphite.c (scop_max_loop_depth): ...here.
4834         (remove_all_edges_1): New.
4835         (remove_all_edges): Factored code.
4836         (remove_cond_exprs): Check only the last statement for
4837         a GIMPLE_COND expression.
4838
4839 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4840
4841         * graphite.c (scan_tree_for_params): Early return when the
4842         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4843         (find_scop_parameters): Factor out code.
4844         (graphite_trans_bb_strip_mine): Remove dead code.
4845
4846 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4847
4848         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4849         graphite_trans_bb_move_loop): Factor asserts.
4850         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4851         Do not call calculate_dominance_info and estimate_bb_frequencies.
4852
4853 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4854
4855         * graphite.c (create_loops_mapping, free_loops_mapping,
4856         create_loops_mapping_num, debug_loop_mapping_1,
4857         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4858         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4859         graphite_loops_mapping_add_child_num,
4860         graphite_loops_mapping_insert_child,
4861         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4862         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4863         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4864         create_num_from_index, get_num_from_index,
4865         swap_loop_mapped_depth): Removed.
4866         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4867         (free_scop): Do not call free_loops_mapping.
4868         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4869         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4870         get_loop_mapped_depth.
4871         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4872         (graphite_trans_bb_strip_mine): Same.
4873         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4874         (struct scop): Remove field loops_mapping.
4875
4876 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4877             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4878
4879         * graphite.c (scop_record_loop): Factor out one level of the
4880         condition by early return.
4881         (build_scop_loop_nests): Format following FSF coding style.
4882         (build_scop_dynamic_schedules): Factor out code.
4883         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4884
4885 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4886             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4887
4888         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4889         assignments that are not handled as simple operands for now.
4890
4891 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4892             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4893
4894         * graphite.c (build_scop_bbs): Factor up code.
4895
4896 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4897             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4898
4899         * graphite.c (stmt_simple_for_scop_p): Factor code out
4900         of the loop.
4901         (enum gbb_type): New.  Group all the GBB_* types under it.
4902         (is_loop_exit): Moved...
4903         (end_scop): Enable BB spliting.
4904         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4905         * cfgloop.h (is_loop_exit): Declared.
4906
4907 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4908
4909         * doc/invoke.texi: Remove strides from examples containing
4910         DO loops when the strides are equal to 1.
4911
4912 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4913             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4914
4915         * graphite.c (graphite_trans_scop_block): Or the result with
4916         the result from graphite_trans_loop_block.
4917         * testsuite/gcc.dg/graphite/block-1.c: New.
4918         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4919         * testsuite/gfortran.dg/graphite/block-2.f: New.
4920
4921 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4922
4923         * graphite.c (graphite_transform_loops): Call cloog_initialize
4924         and cloog_finalize.
4925
4926 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4927
4928         * tree-data-ref.c) (stmt_simple_memref_p): New.
4929         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4930         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4931         (is_simple_operand): Call stmt_simple_memref_p.
4932
4933         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4934         using pointer arithmetic, as this is optimized by PRE and
4935         makes the code too difficult to analyze.
4936
4937         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4938
4939 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4940
4941         * gdbinit.in (pgg): New.
4942
4943 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4944
4945         * graphite.c (graphite_trans_loop_block): Fix warning.
4946
4947 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4948
4949         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4950
4951 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4952
4953         * graphite.c (graphite_trans_bb_block): Remove check for
4954         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4955         Check if loop blocking is profitable for every loop, before applying
4956         the changes.
4957         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4958         if flag_loop_block is set.
4959
4960 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4961
4962         * graphite.c: Add some more documentation for the loop
4963         mapping.
4964
4965 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4966
4967         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4968         * graphite.c: Format on less than 80 columns.
4969         * graphite.h: Same.
4970
4971 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4972
4973         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4974
4975 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4976
4977         * doc/invoke.texi (floop-block, floop-strip-mine,
4978         floop-interchange): Update documentation with examples.
4979
4980 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4981
4982         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4983         add_referenced_var.
4984         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4985
4986 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4987
4988         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4989         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4990         * tree-scalar-evolution.c: Revert useless changes.
4991         * tree-phinodes.c: Same.
4992         * cfghooks.c: Same.
4993         * vec.h: Same.
4994         * tree-vectorizer.h: Same.
4995         * tree-flow.h: Same.
4996         * tree-cfg.c: Same.
4997         * common.opt (fgraphite): Update documentation.
4998
4999 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5000
5001         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5002         -floop-interchange): Add more text for explaining what each of these
5003         flags is doing.
5004         * tree-into-ssa.c (gimple_vec): Moved to...
5005         * graphite.c: Include gimple.h.
5006         (gimple_vec): Moved to...
5007         (del_loop_to_cloog_loop): Removed.
5008         (loop_affine_expr): Do not call create_data_ref when the
5009         operand is a constant.
5010         (new_scop): Use free instead of del_loop_to_cloog_loop.
5011         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5012         * gimple.h (gimple_vec): ... here.
5013
5014 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5015
5016         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5017         latch executions.
5018         (build_loop_iteration_domains): Fail, if latch executions unknown.
5019
5020 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5021
5022         * graphite.c (add_conditions_to_domain): New.
5023         (build_scop_conditions_1): Call add_conditions_to_domain.
5024         (set_cloog_options): Allow to disable optimizations.
5025
5026 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5027
5028         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5029         Do not use walk_dominator_tree.
5030         (find_scop_parameters): Do not use walk_dominator_tree.
5031
5032 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5033
5034         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5035         (idx_record_params): Adapt.
5036         * graphite.h (scop_gimple_loop_depth): New.
5037
5038 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5039
5040         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5041         (scan_tree_for_params): Remove value_init.
5042         (build_scop_context): Remove value_init.
5043         (build_loop_iteration_domains): Remove value_init.
5044         (schedule_to_scattering): Remove value_init.
5045         (graphite_trans_bb_strip_mine): Remove value_init.
5046
5047 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5048
5049         * gcc/graphite.c (limit_scops): New.
5050         (graphite_transform_loops): Add limit SCoPs.
5051         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5052         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5053         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5054         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5055         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5056         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5057         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5058         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5059         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5060         Change loop numbers.
5061         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5062         Change loop numbers.
5063         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5064         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5065         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5066         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5067         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5068         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5069         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5070         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5071         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5072         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5073
5074 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5075
5076         * graphite.c (graphite_transform_loops): Call always find_transform.
5077
5078 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5079
5080         * graphite.c (free_loops_mapping): New.
5081         (stmt_simple_for_scop_p): Fix typo.
5082         (stmt_simple_for_scop_p): Fix tuples functions, that
5083         broke polyhedron.
5084         (free_graphite_bb): Fix some memleaks.
5085         (free_scop): Fix some memleaks.
5086         (scopdet_bb_info): Do not forget some tmp SCoPs.
5087         (find_params_in_bb): Fix some memleaks.
5088         (clast_to_gcc_expression): Fix warning.
5089
5090 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5091
5092         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5093         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5094
5095 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5096
5097         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5098         Move code ifdef-ed HAVE_cloog...
5099         * graphite.c: Include toplev.h.
5100         ... here.
5101         * Makefile.in (OBJS-common): Always build graphite.o.
5102         (BACKEND): Remove @GRAPHITE@.
5103         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5104         (graphite.o): Depend on TOPLEV_H.
5105
5106 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5107
5108         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5109         Remove typo left from polylib to ppl conversion.
5110         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5111
5112 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5113
5114         * toplev.c (process_options): Move the graphite loop optimization
5115         flags...
5116         * tree-ssa-loop.c (graphite_transforms): ... here.
5117         When not configured with CLooG, print to dump_file that
5118         Graphite transforms were not performed.
5119         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5120         New.
5121         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5122         scan-graphite-dump-times.
5123
5124 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5125
5126         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5127         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5128
5129 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5130             Jan Sjodin  <jan.sjodin@amd.com>
5131
5132         * configure: Regenerated.
5133         * omp-low.c (expand_omp_sections): Remove now unused code.
5134         * config.in (HAVE_polylib): Removed.
5135         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5136         (PPLLIBS, PPLINC): Added.
5137         * graphite.c: Replace unsigned with int wherever possible.
5138         Don't access Cloog's data structures, but use accessor functions.
5139         Clast's stmt->type is now implemented as a vtable: change the
5140         switches of stmt->type into ifs.
5141         (polylib/polylibgmp.h): Don't include.
5142         (initialize_dependence_polyhedron,
5143         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5144         statement_precedes_p, test_dependence, build_rdg_all_levels,
5145         dump_dependence_graph): Removed until this code is cleaned up
5146         or ported to Cloog.
5147         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5148         (POLYLIBINC): Renamed PPLINC.
5149
5150 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5151             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5152             Jan Sjodin  <jan.sjodin@amd.com>
5153
5154         Finish the merge and tuplification of graphite.
5155
5156 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5157             Jan Sjodin  <jan.sjodin@amd.com>
5158
5159         Partial merge from mainline (138072:138275).
5160         * graphite.c still has to be tuplified.
5161
5162 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5163
5164         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5165         (create_num_from_index): New.
5166         (get_num_from_index): Also pass in the graphite BB.
5167         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5168         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5169         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5170         (is_interchange_valid): Return false when failing.
5171         * graphite.h (struct num_map): New.
5172         (struct graphite_bb): New field num_map.
5173         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5174
5175 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5176
5177         * graphite.c (dump_gbb_conditions): Print also conditions like
5178         "if (a)".  Remove dublicated code and use print_generic_expr ().
5179         (stmt_simple_for_scop_p): Only allow conditions we can handle
5180         {<, <=, >, >=}.
5181
5182 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5183
5184         * graphite.h (struct scop): Removed new_ivs field.
5185         (SCOP_NEWIVS): Deleted.
5186         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5187         clast_to_gcc_expression, graphite_create_new_loop):
5188         Removed use of new_ivs.
5189
5190 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5191
5192         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5193         create_loops_mapping_num, debug_loop_mapping_1): New.
5194         (debug_loop_mapping): Call debug_loop_mapping_1.
5195         (get_loop_mapping_for_num,
5196         graphite_loops_mapping_add_child,
5197         graphite_loops_mapping_add_child_num,
5198         graphite_loops_mapping_insert_child,
5199         graphite_loops_mapping_parent,
5200         split_loop_mapped_depth_for_num,
5201         loop_mapped_depth_split_loop): New.
5202         (increment_loop_mapped_depths): Removed.
5203         (swap_loop_mapped_depth_for_num): Reimplemented.
5204         (new_scop): Call create_loops_mapping.
5205         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5206         (translate_clast): Pass the old loop father in parameter, and pass
5207         it to get_old_iv_from_ssa_name.
5208         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5209         can_generate_code, can_generate_for_scop): New.
5210         (graphite_trans_bb_block): Returns false when it fails to transform.
5211         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5212
5213 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5214
5215         Reverted all the changes related to the streamization and
5216         loop fusion.
5217         These changes are now tracked in the streamization branch.
5218
5219 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5220             Jan Sjodin  <jan.sjodin@amd.com>
5221
5222         * graphite.c (gbb_compare): Correctly constify.
5223         (gbb_can_be_ignored): Indent.
5224         (graphite_trans_scop_swap_1and2): Add legality check.
5225         Remove dead FIXMEs.
5226
5227 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5228
5229         Remove fallouts from "Reverted the Condate changes".
5230         * tree.h: Remove unused decl.
5231         * testsuite/gcc.dg/tree-checker: Same.
5232         * timevar.def: Remove counter.
5233
5234 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5235
5236         * Merge from mainline (135673:138072).
5237
5238         Reverted the MIRO changes (from 2008-04-05) that are now
5239         tracked in the miro branch.
5240         * tree-bounds.c: Removed.
5241         * tree-bounds.h: Removed.
5242
5243         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5244         are now tracked in the condate branch.
5245         * tree-check.c: Removed.
5246         * tree-match.c: Removed.
5247         * condate.y: Removed.
5248
5249 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5250
5251         * common.opt: New user flag -floop-block, -floop-strip-mine
5252         and -floop-interchange.
5253         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5254         graphite loop optimization flags is turned on.
5255         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5256         flag_loop_strip_mine and flag_loop_interchange checks before
5257         optimizations.
5258         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5259         -floop-strip-mine and -floop-interchange.
5260         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5261         -fgraphite.
5262         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5263         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5264         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5265
5266 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5267             Sebastian Pop  <sebastian.pop@amd.com>
5268
5269         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5270         (create_empty_loop_on_edge): More fixes.
5271         * tree-phinodes.c (resize_phi_node): Extern.
5272         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5273         * cfghooks.c (update_dominator_information): New split from
5274         split_edge.
5275         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5276         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5277         successor of the function entry block.
5278
5279         * graphite.c: Include pointer-set.h.
5280         (debug_loop_mapping, increment_loop_mapped_depths,
5281         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5282         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5283         swap_loop_mapped_depth_for_num, get_num_from_index,
5284         swap_loop_mapped_depth, loop_iv_stack_debug,
5285         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5286         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5287         get_old_iv_from_ssa_name): New.
5288         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5289         (free_scop): Free SCOP_LOOPS_MAPPING.
5290         (scop_record_loop): Record old ivs.
5291         (create_var_name): Removed.
5292         (initialize_cloog_names): Allocate double space in case strip mine
5293         applies to all loops once.
5294         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5295         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5296         translation.
5297         (graphite_create_new_loop): Pass in ivstack.
5298         (remove_all_edges): Pass in the construction_edge.
5299         (graphite_remove_iv): Removed.
5300         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5301         remove_cond_exprs): Rewritten.
5302         (move_phi_nodes): New.
5303         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5304         (translate_clast): Pass in ivstack.  Rewrite some cases.
5305         (set_cloog_options, debug_clast_stmt): New.
5306         (find_transform): Use set_cloog_options.
5307         (outermost_loop_layer): Removed.
5308         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5309         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5310         mark_old_loops, remove_dead_loops): New.
5311         (gloog): Rewritten.
5312         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5313         (const_column_index, get_first_matching_sign_row_index,
5314         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5315         get_upper_bound): New.
5316         (graphite_trans_bb_strip_mine): Also update the iv map.
5317
5318         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5319         (struct name_tree): Add a loop field.
5320         (struct scop): Add a graphite_loops_mapping field.
5321         (SCOP_LOOPS_MAPPING): New.
5322         (debug_clast_stmt): Declare.
5323         * lambda.h (find_induction_var_from_exit_cond): Declare.
5324         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5325         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5326         (create_empty_loop_on_edge): Updated.
5327         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5328         rename_variables_in_bb): Declare.
5329         * tree-cfg.c (remove_bb): Extern.
5330
5331         * testsuite/gcc.dg/graphite/block-0.c: New.
5332
5333 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5334             Sebastian Pop  <sebastian.pop@amd.com>
5335
5336         * graphite.c (strip_mine_profitable_p): New.
5337         (graphite_trans_bb_block): Disable strip mining if not profitable.
5338
5339         * testsuite/gcc.dg/graphite/scop-18.c: New.
5340         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5341         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5342
5343 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5344             Jan Sjodin  <jan.sjodin@amd.com>
5345             Sebastian Pop  <sebastian.pop@amd.com>
5346
5347         * graphite.c (is_interchange_valid): New.
5348         (graphite_trans_bb_block): Check loop nest of basic block for legality
5349         of interchange.
5350
5351         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5352         outer_most_loop, gbb_outer_most_loop_index): New.
5353
5354         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5355         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5356         * testsuite/gcc.dg/graphite/scop-16.c: New.
5357         * testsuite/gcc.dg/graphite/scop-17.c: New.
5358
5359 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5360
5361         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5362         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5363
5364 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5365
5366         * graphite.c (new_scop): Initialize SCOP_EXIT.
5367         (scopdet_info): Add.
5368         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5369         (build_scops_1): Cleanup, bugfixes.
5370         (build_scops): Cleanup.
5371
5372         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5373         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5374
5375 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5376
5377         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5378
5379         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5380         DEFAULT_GRAPHITE_FLAGS.
5381
5382         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5383
5384 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5385
5386         * graphite.c (scan_tree_for_params): Do not assert any more if
5387         MULT_EXPR parameter is negative.
5388
5389         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5390
5391         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5392
5393         * testsuite/gcc.dg/graphite/scop-15.c: New.
5394
5395 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5396
5397         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5398
5399 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5400
5401         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5402         graphite_swap_loops.
5403         (graphite_trans_bb_move_loop): New.
5404         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5405         (graphite_trans_bb_block): New.
5406         (graphite_trans_loop_block): New.
5407         (graphite_trans_scop_swap_1and2): Rename from
5408         graphite_trans_swap_1and2.
5409         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5410         (graphite_trans_scop_block): New.
5411         (graphite_apply_transformations): Rename from
5412         graphite_transformations.
5413
5414         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5415
5416 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5417
5418         * graphite.c (gbb_compare): New.
5419         (graphite_sort_gbbs): New.
5420         (gbb_can_be_ignored): New.
5421         (scop_remove_ignoreable_gbbs): New.
5422         (graphite_transformations): Cleanup and add
5423         scop_remove_ignoreable_gbbs.
5424         * lambda.h (lambda_vector_compare): New.
5425
5426 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5427
5428         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5429         (graphite_swap_loops): int -> unsigned
5430         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5431         (graphite_transformations): New.
5432         (graphite_transform_loops): Move to graphite_transformations.
5433         * graphite.h (gbb_nb_loops): Return unsigned.
5434
5435 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5436
5437         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5438         the domain matrix.  This makes scop-0.c work again.
5439
5440 2008-06-20  Richard Guenther  <rguenther@suse.de>
5441
5442         * graphite.h: Adjust copyright to GPLv3.
5443         * graphite.c: Likewise.
5444         (stmt_simple_memref_for_scop_p): Split out from ...
5445         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5446         and simplify.
5447         (get_bb_type): Optimize.
5448         (is_pred): Remove.
5449         (is_bb_addable): Fix memleak, replace is_pred call with
5450         single_pred.
5451         (build_scops): Use current_loops.
5452         (param_index): Fix memleak.
5453
5454 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5455
5456         * graphite.c: Fix formatting.
5457
5458 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5459
5460         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5461         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5462         (create_var_name, save_var_name): Newly defined functions.
5463         (initialize_cloog_names): Part of the code factored out to
5464         save_var_name.
5465         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5466         in clast_reduction statement.
5467         (graphite_create_new_loop): Now takes a new parameter
5468         for outer_loop.
5469         (translate_clast): Now also takes the context_loop and bb_exit
5470         parameters. Rewritten the code so that it creates a gimple code
5471         inside the given context.
5472         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5473         remove_cond_expr, disconnect_cond_expr,
5474         disconnect_virtual_phi_nodes): Newly defined functions.
5475         * graphite.h (struct scop): added old_ivs vector.
5476         SCOP_OLDIVS: New macro.
5477
5478 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5479
5480         * cfgloopmanip.c: Add missing function comments, fix formatting.
5481
5482 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5483
5484         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5485         (create_empty_loop_on_edge): Defined.
5486         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5487         instead of void.
5488         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5489         (update_dominators_in_loop): Declared as extern
5490         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5491
5492 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5493
5494         * graphite.c (print_graphite_bb): Allow changing number of loops
5495         in SCoP domain.
5496         (initialize_cloog_names): Allow changing number of loops.
5497         (build_cloog_prog): Simplify.
5498         (find_transform): Enable cloog option --strides.
5499         (graphite_swap_loops): New.
5500         (graphite_strip_mine_loop): New.
5501         (graphite_trans_swap_1and2): New.
5502         (graphite_trans_strip): New.
5503         (graphite_transform_loops): Add graphite_trans_strip.
5504         * graphite.h (scop_max_loop_depth): New.
5505
5506 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5507
5508         * graphite.c (build_scop_iteration_domain): Remove forgotten
5509         line. (Fixes compile)
5510
5511 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5512
5513         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5514         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5515         (build_bb_loops): New.
5516         (graphite_transform_loops): Add build_bb_loops.
5517         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5518         numbers.
5519         * graphite.h (graphite_bb): Add loops.
5520         (gbb_nb_loops): New.
5521         (gbb_loop_at_index): New.
5522         (gbb_loop_index): New.
5523         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5524         using nb_params_in_scop.
5525
5526 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5527
5528         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5529         (build_scop_canonical_schedules): Build minimized schedule.
5530         (schedule_to_scattering): Adapt to minimized schedule.
5531         * graphite.h (graphite_bb): Add/Update descriptions.
5532
5533 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5534             Tobias Grosser  <grosser@fim.uni-passau.de>
5535
5536         * graphite.c (print_graphite_bb): Add condition printing.
5537         (dump_value): New.
5538         (dump_gbb_conditions): New.
5539         (build_scop_conditions_1): New.
5540         (build_scop_conditions): New.
5541         * graphite.h (graphite_bb): Add conditions.
5542
5543 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5544
5545         * graphite.c (print_graphite_bb):
5546         (free_graphite_bb): New.
5547         (free_scop): Free bbs.
5548         (get_bb_type): Free doms.
5549         (build_scop_context): Free context matrix.
5550         (build_loop_iteration_domains): Remove unused code.
5551         (build_cloog_prog): Free scattering function and blocklist.
5552         (find_transform): Free options.
5553
5554 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5555
5556         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5557         Remove unnecessery cloog data structures. Make a copy of the domain
5558         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5559         unnecessary cloog data structures. Fix memory leaks. Remove insert
5560         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5561         used.
5562         (build_scop_iteration_domain): Remove unnecessary cloog
5563         data structures.  Fix memory leaks.
5564         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5565         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5566
5567 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5568
5569         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5570
5571 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5572
5573         * graphite.c (end_scop): Style fix.
5574         (schedule_to_scattering): Style and comment fix.
5575
5576 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5577         * graphite.c (print_graphite_bb): Fix definiton of
5578         schedule_to_scattering.
5579         (initialize_cloog_names): Change nb_scattdims to max loop
5580         depth in SCoP.
5581         (schedule_to_scattering): Take parameter for number of scattering
5582         dimensions.
5583         (build_cloog_prog): Only build as much scattering dimensions as
5584         necessary.
5585
5586 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5587
5588         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5589         in polyhedron/aermod.f90.
5590
5591 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5592             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5593             Harsha Jagasia  <harsha.jagasia@amd.com>
5594
5595         * graphite.c (is_bb_addable): Fix segfault.
5596
5597 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5598
5599         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5600         with multiple exits and conditional handling in edge cases.
5601         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5602
5603         * testsuite/gcc.dg/graphite/scop-14.c: New.
5604
5605 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5606             Adrien Eliche  <aeliche@isty.uvsq.fr>
5607
5608         * graphite.c (is_bb_addable): Add more comments and enhance
5609         readablity of the source code. Fix memory leak.
5610         (is_loop_exit): Fix memory leak.
5611
5612 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5613
5614         * graphite.c (first_loop_in_scop): Deleted.
5615         (setup_cloog_loop): Only walk the loop chain for inner loops.
5616         (build_scop_iteration_domain): Execute setup_cloog_loop for
5617         all loops in the first layer.
5618
5619 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5620
5621         * graphite.c (scan_tree_for_params): Change the way params are
5622         added to be indepenent of the number of loops.
5623         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5624         handling.
5625         (build_cloog_prog): Revert to short matrix format.
5626
5627 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5628             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5629
5630         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5631         warning.
5632
5633 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5634
5635         * graphite.c (nb_data_refs_in_scop): New.
5636         (graphite_transform_loops): Print more stats: number of
5637         loops, basic blocks and data references per scop.
5638
5639 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5640             Jan Sjodin  <jan.sjodin@amd.com>
5641
5642         * graphite.c (loop_affine_expr, idx_record_params,
5643         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5644         instead of instantiate_parameters.
5645
5646 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5647
5648         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5649         add support for parameters, add STATIC_SCHEDULE at the right places,
5650         cleanup.
5651
5652 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5653
5654         * graphite.c (build_scop_loop_nests): Only add the loops, that
5655         are contained completely in the SCoP.
5656         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5657         and the domains are fixed.
5658         (build_scop_canonical_schedules): Add support for bbs not contained
5659         in any SCoP.
5660
5661 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5662
5663         * graphite.h (scop_contains_loop): Update comments to match
5664         the actual behavior.
5665         (scop_contains_loop): New.
5666         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5667
5668 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5669
5670         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5671         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5672         as GBB_COND_HEADER.
5673
5674 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5675             Tobias Grosser  <grosser@fim.uni-passau.de>
5676
5677         * graphite.c (graphite_transform_loops): Early return when
5678         there are no loops in the function.
5679
5680 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5681             Jan Sjodin  <jan.sjodin@amd.com>
5682
5683         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5684         offset of the last loop.
5685         (setup_cloog_loop): Copy the entire outer constraint matrix.
5686
5687 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5688             Jan Sjodin  <jan.sjodin@amd.com>
5689
5690         * graphite.c (stmt_in_scop_p, function_parameter_p,
5691         invariant_in_scop_p): Removed.
5692         (scan_tree_for_params): Can be used with no constraint
5693         matrix for gathering parameters.
5694         (idx_record_params): Don't use idx_record_param, instead use
5695         scan_tree_for_params.
5696         (find_scop_parameters): Same.
5697         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5698         Fix the size of loop domains.
5699         (schedule_to_scattering): Exit when the outer loop is not in scop.
5700         (find_transform): Enable build_cloog_prog.
5701
5702 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5703             Jan Sjodin  <jan.sjodin@amd.com>
5704
5705         * graphite.c (schedule_to_scattering): Make scattering domains
5706         uniformly of the same size, as required by CLooG 0.14.0 and before.
5707
5708 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5709             Jan Sjodin  <jan.sjodin@amd.com>
5710
5711         * graphite.c (schedule_to_scattering): Rewrite, correct the
5712         translation of the scheduling function to scattering.
5713         (build_cloog_prog): Call schedule_to_scattering only once.
5714         * graphite.h (scop_loop_index): Do not fail for loops not
5715         in the scop: return -1.
5716
5717 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5718
5719         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5720         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5721         (setup_cloog_loop): Export GBB_DOMAIN.
5722         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5723         able to rebuild the original control flow.
5724         * graphite.h (graphite_bb): Add domain field and access macro.
5725         (GBB_DOMAIN): New.
5726
5727 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5728
5729         * graphite.c (debug_gbb): New.
5730         (print_scop, build_graphite_bb): Use SCOP_BBS.
5731         (build_scop_bbs): Reimplemented.
5732         (dfs_bb_in_scop_p): Removed.
5733         (build_scop_loop_nests): Reorder loops inserted in
5734         SCOP_LOOP_NEST: outer loops should come first.
5735         (build_scop_canonical_schedules): Reinitialize at zero
5736         the components of the SCOP_STATIC_SCHEDULE for the loops
5737         that have already been parsed.
5738
5739         * graphite.h (debug_gbb): Declared.
5740
5741 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5742             Jan Sjodin  <jan.sjodin@amd.com>
5743
5744         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5745         (graphite_loop_to_gcc_loop): Removed.
5746         (remove_all_edges): New.
5747         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5748         (gloog): Remove useless code.
5749
5750 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5751
5752         * graphite.c (get_bb_type): Reworked. We distinguish between
5753         loops with one or multiple exits.
5754         (is_loop_exit): New.
5755         (is_pred): New.
5756         (is_bb_addable): Rework condition handling, now support for case
5757         case statements and loops with multiple exits.
5758
5759         * testsuite/gcc.dg/graphite/scop-11.c: New.
5760         * testsuite/gcc.dg/graphite/scop-12.c: New.
5761         * testsuite/gcc.dg/graphite/scop-13.c: New.
5762
5763 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5764
5765         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5766         we have too many colors.
5767
5768 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5769
5770         * doc/invoke.texi (-ftree-loop-fusion): Document.
5771         * tree-pass.h (pass_loop_fusion): Declared.
5772         * tree-loop-fusion.c: New.
5773         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5774         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5775         * tree-data-ref.h (find_data_references_in_loop): Declared.
5776         * common.opt (ftree-loop-fusion): Declared.
5777         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5778
5779 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5780
5781         * graphite.c (build_access_matrix): Fix typo from the merge.
5782
5783 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5784
5785         * Merge from mainline (130800:135673).
5786
5787 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5788
5789         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5790         Update dominators after splitting.
5791
5792 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5793
5794         * graphite.c (is_bb_addable): Return the harmful statement.
5795         Factor up some code.
5796         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5797         (build_scops_1): Call end_scop.
5798
5799 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5800
5801         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5802         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5803         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5804         build_scops_1): Removed.
5805         (build_scops_2): Renamed build_scops_1.
5806
5807 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5808
5809         * graphite.c: Fix formatting.
5810
5811 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5812
5813         * graphite.c (get_bb_type): New.
5814         (move_scops): New.
5815         (build_scops_2): New.
5816         (is_bb_addable): New.
5817         (build_scops): Switch the scop detection.
5818         (build_scop_bbs): Add entry bb to scop.
5819         * graphite.h (struct scop): Update comment.
5820
5821 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5822
5823         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5824         more colors.
5825
5826 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5827
5828         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5829         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5830         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5831         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5832         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5833
5834 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5835
5836         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5837         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5838         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5839         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5840         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5841
5842 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5843
5844         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5845         Check affine expressions depending on the outermost loop
5846         instead of a scop.
5847         (stmt_simple_for_scop_p): Same.
5848         (harmfule_stmt_in_scop): Same.
5849
5850 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5851
5852         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5853         mark entry and exit, that are not part of the SCoP and update HTML
5854         formatting.
5855
5856 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5857
5858         * graphite.c (basic_block_simple_for_scop_p): Renamed
5859         harmful_stmt_in_bb.
5860         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5861         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5862         (all_preds_visited_p, all_succs_visited_p,
5863         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5864         scop_end_loop): New.
5865         (build_scops): Do not use dfs_enumerate_from.
5866
5867         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5868
5869 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5870
5871         * graphite.c: Add comments to functions that are missing a
5872         description.
5873         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5874
5875 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5876
5877         * graphite.c (nb_params_in_scop): Moved...
5878         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5879         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5880         (clast_to_gcc_expression): Reduce column size to less than 80.
5881         (graphite_create_iv): Return the new name of the IV.
5882         (find_transform): Set options->esp and options->cpp.
5883         (gloog): Comment out the invalidation of the old loop code.
5884         (initialize_dependence_polyhedron): Replace scop_nb_params with
5885         nb_params_in_scop.
5886
5887         * graphite.h (nb_params_in_scop): ... here.
5888         (scop_nb_params): Removed.
5889         (loop_domain_dim): Return something even when the loop was not
5890         found in the hash table: avoid ICEing on all the graphite.exp
5891         testcases.
5892
5893 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5894
5895         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5896
5897         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5898         according to nesting level.
5899         (find_scop_parameters): Call instantiate_parameters.
5900         (scan_tree_for_params): Extend it to handle general affine bounds.
5901         Inner loop bound can depend on outer loop induction variable.
5902         (setup_cloog_loop): tmp variable is allocated on stack. Call
5903         instantiate_parameters with respect to outermost_loop_in_scop.
5904         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5905         graphite.h.
5906         (create_empty_loop): Function loopify should be given edge
5907         probability, instead of edge frequency. Dominance relation from
5908         switch_bb to loop_header.
5909         (clast_to_gcc_expression): Added handling of clast_reduction node.
5910         (gloog): New functionality for removing old loop.
5911         (test_dependence): Factored out from build_rdg_all_levels.
5912         (build_rdg_all_levels): Dependence testing factored out to
5913         test_dependence function.
5914
5915         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5916         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5917         from graphite.c
5918
5919 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5920
5921         * graphite.c (free_scop, param_index, initialize_cloog_names,
5922         nb_params_in_scop): Use name_tree map instead of just a tree
5923         for keeping track of the variable name associated to that tree.
5924         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5925         clast_to_gcc_expression, graphite_create_iv,
5926         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5927         graphite_stmt_to_gcc_stmt): New.
5928         (gloog): Call these.
5929         * graphite.h (struct name_tree): New.
5930         (struct scop): Use name_tree instead of tree for params.
5931         Store a vector of name_tree for new_ivs.
5932         (SCOP_NEWIVS): New.
5933         (scop_nb_params): Use name_tree instead of tree.
5934
5935 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5936             Sebastian Pop  <sebastian.pop@amd.com>
5937
5938         * tree-bounds.c: New.
5939         * tree-bounds.h: New.
5940         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5941         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5942         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5943         flag_mudflap.
5944         * gcc.c: Same.
5945         * toplev.c: Same.
5946         * c-cppbuiltin.c: Same.
5947         * c-pragma.c: Same.
5948         * common.opt: Same.
5949         * varasm.c: Same.
5950         * tree-outof-ssa.c: Same.
5951         * c-common.c: Same.
5952         * Makefile.in: Same.
5953
5954 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5955             Sebastian Pop  <sebastian.pop@amd.com>
5956
5957         * tree-loop-distribution.c (remaining_stmts,
5958         upstream_mem_writes): Removed static variables.
5959         (copy_loop_before, create_bb_after_loop,
5960         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5961         rdg_build_components, rdg_build_partitions,
5962         dump_rdg_partitions): Extern.
5963         (generate_loops_for_partition, generate_code_for_partition): Do not
5964         return a bool.
5965         (already_processed_vertex_p, predecessor_has_mem_write,
5966         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5967         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5968         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5969         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5970         Pass remaining_stmts and upstream_mem_writes as parameters.
5971         (rdg_component): Moved...
5972         (build_rdg_partition_for_component): Do not aggregate components when
5973         flag_streamize_loops is set.
5974         (gen_sequential_loops): New.
5975         (ldist_gen): Call gen_sequential_loops.
5976
5977         * tree-pass.h (pass_loop_streamization): Declared.
5978
5979         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5980         basic blocks when loops structures exist.
5981
5982         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5983
5984         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5985
5986         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5987         eliminate_local_variables_stmt, eliminate_local_variables,
5988         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5989         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5990         of code delimited by two edges in the CFG.
5991         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5992         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5993         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5994         the case of parallelisation of reductions.
5995         (create_loop_fn): Extern.
5996         (create_omp_parallel_region): New.
5997
5998         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5999         dump_data_reference for printing dra and drb.
6000         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6001         RDGE_RELATION.
6002         (build_rdg): Don't call free_dependence_relations for the moment, as
6003         we attach dependence relations on each edge of the RDG.
6004         To be fixed later.
6005
6006         * tree-data-ref.h (rdg_component): ...here.
6007         (struct rdg_edge): New field ddr_p relation.
6008         (RDGE_RELATION): New.
6009         (create_bb_after_loop, copy_loop_before,
6010         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6011         rdg_build_partitions, dump_rdg_partitions,
6012         free_rdg_components): Declared.
6013
6014         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6015         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6016
6017         * tree-loop-streamization.c: New.
6018
6019         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6020         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6021
6022         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6023
6024         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6025
6026         * passes.c: Schedule pass_loop_streamization.
6027
6028 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6029
6030         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6031         update comment.
6032
6033 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6034
6035         * graphite.c (dot_all_scops): Update formatting.
6036         Bbs can now be part of more than one SCoP.
6037
6038 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6039
6040         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6041         malloc problems.
6042         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6043         * graphite.h (loop_to_cloog_loop): New.
6044
6045 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6046
6047         * graphite.c (loop_domain_dim, ref_nb_loops,
6048         loop_iteration_vector_dim): New.
6049         (build_access_matrix_with_af, build_access_matrix,
6050         initialize_dependence_polyhedron): Fixed for new matrix layout.
6051         No longer assume that all iteration domains are of the same
6052         dimensionality.
6053
6054 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6055
6056         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6057         defined in a loop at depth 0 is invariant.
6058         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6059         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6060         be called at loop depth 0.
6061
6062         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6063         a parameter.
6064         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6065         (down_open_scop): Removed.
6066         (loop_in_scop_p): Redefined.
6067         (scop_affine_expr): New argument: scop.
6068         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6069         a harmful statement ending a scop.
6070         (basic_block_simple_for_scop_p): New argument: scop.
6071         (get_loop_start): Removed.
6072         (new_scop): Initialize SCOP_LOOPS.
6073         (free_scop): Free SCOP_LOOPS.
6074         (succs_at_same_depth, preds_at_same_depth): New.
6075         (end_scop): Test the validity of a scop.
6076         (add_dominators_to_open_scops): New.
6077         (test_for_scop_bound): Call add_dominators_to_open_scops.
6078         Add cases for opening and closing multiple scops.
6079         (build_scops, build_scop_bbs): Iterate over basic blocks in
6080         depth first order.
6081         (build_graphite_bb): Pass scop directly.
6082         (dfs_bb_in_scop_p): New.
6083         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6084         several times.
6085         (nb_loops_around_gb): Use loop_in_scop_p.
6086         (schedule_to_scattering): Disabled for the moment the code computing
6087         the "textual order for outer loop".
6088
6089         * graphite.h (struct scop): New field loops.
6090         (SCOP_LOOPS): New.
6091         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6092
6093         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6094
6095 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6096             Sebastian Pop  <sebastian.pop@amd.com>
6097
6098         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6099         * common.opt (fstreamize-loops): New.
6100         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6101         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6102         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6103         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6104
6105 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6106
6107         * tree-data-ref.c (build_empty_rdg): New.
6108         (build_rdg): Use it.
6109         * tree-data-ref.h (build_empty_rdg): Declared.
6110         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6111         (find_vertex_for_stmt): Removed.
6112         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6113
6114 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6115
6116         * tree-loop-distribution.c (generate_builtin): After cancelling the
6117         loop tree, also delete basic blocks.
6118         (rdg_flag_uses): Stop recursion when a vertex has already been
6119         processed.
6120
6121 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6122
6123         * graphite.c (build_scop_alpha): Removed.
6124         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6125         and dump_dependence_graph to avoid compiler warnings.
6126
6127 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6128
6129         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6130         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6131         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6132         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6133         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6134         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6135         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6136         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6137         dump_dependence_graph): New.
6138         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6139         (GBB_ALPHA): New.
6140         (struct scop): New field loop2cloog_loop.
6141         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6142         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6143
6144 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6145
6146         * graphite.c (build_graphite_bb): Fix initialization
6147         of the graphite basic block.
6148
6149 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6150
6151         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6152         loop domain matrix.  Pass in the number of loops contained in the
6153         constraint matrix.
6154         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6155         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6156         loops that are not surrounding the current loop are not represented
6157         in the domain constraint matrix.
6158         (build_scop_iteration_domain): Initial domain constraint matrix
6159         contains only the eq/ineq, cst, and scop parameters columns.
6160
6161 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6162
6163         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6164         (print_graphite_bb): Print scattering.
6165
6166 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6167
6168         * graphite.c (initialize_cloog_names): Initialize names of
6169         scattering variables.
6170
6171 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6172
6173         * graphite.c (dot_all_scops_1): Disable debug output while
6174         printing graph.
6175
6176 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6177
6178         * graphite.c (find_transform): Change cloog output language to C.
6179
6180 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6181
6182         * tree-loop-distribution.c (generate_memset_zero,
6183         generate_builtin, generate_code_for_partition,
6184         rdg_flag_all_uses): New.
6185         (rdg_flag_uses): Gather in the same partition the statements defining
6186         the VUSES of the current statement.
6187         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6188         Gather in the same partition not only the stores to the same memory
6189         access, but also the reads.
6190         (ldist_generate_loops): Renamed ldist_gen.
6191
6192 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6193             Tobias Grosser  <grosser@fmi.uni-passau.de>
6194
6195         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6196         next pointer, don't use the inner pointer.
6197
6198 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6199
6200         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6201         (find_transform): Call dot_all_1.
6202         * graphite.h (dot_all_scops): Declared.
6203
6204 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6205
6206         * tree-loop-distribution.c: Fix apsi.f ICE.
6207         (create_bb_after_loop): New.
6208         (generate_loops_for_partition): Use it.
6209         * testsuite/gfortran.dg/ldist-1.f90: New.
6210
6211         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6212         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6213
6214 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6215
6216         * graphite.c (find_transform): Dump cloog program sent to cloog.
6217
6218 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6219
6220         * graphite.c (initialize_cloog_names): Initialize cloog
6221         iterator names.
6222
6223 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6224
6225         * graphite.c (build_scop_context): Fix typo, for the matrix
6226         format: insert '0 >= 0' instead of '-1 >= 0'.
6227
6228 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6229
6230         * Fix merge problems.
6231
6232 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6233
6234         * graphite.c (setup_cloog_loop): Fix typo.
6235
6236 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6237
6238         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6239         * tree-loop-distribution.c: Reimplemented.
6240         * tree-pass.h (pass_loop_distribution): New.
6241         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6242         print_loops.
6243         * graphds.h (struct graph): New field indexes.
6244         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6245
6246         * tree-vect-analyze.c: Remove declaration of static functions when not
6247         needed.
6248         * tree-vectorizer.c: Same.
6249         (rename_variables_in_loop): Now extern.
6250         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6251         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6252         calling redirect_edge_and_branch_force.
6253
6254         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6255
6256         * tree-data-ref.c: Don't include tree-chrec.h.
6257         (debug_data_dependence_relations): New.
6258         (dump_data_dependence_relation): Call dump_data_reference on data refs
6259         in the relation.
6260         (same_access_functions): Moved...
6261         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6262         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6263         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6264         struct rdg_vertex_info, ): New.
6265         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6266         at DDR_REVERSED_P.
6267         (create_rdg_vertices): Initialize the htab of graph->indexes.
6268         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6269         (stmts_from_loop): Don't save LABEL_EXPR.
6270         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6271         hash_stmt_vertex_del): New.
6272         (build_rdg): Initialize rdg->indexes.
6273         (free_rdg, stores_from_loop, ref_base_address,
6274         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6275         have_similar_memory_accesses_1, ref_base_address_1,
6276         remove_similar_memory_refs): New.
6277
6278         * tree-data-ref.h: Include tree-chrec.h.
6279         (debug_data_dependence_relations): Declared.
6280         (same_access_functions): ...here.  Now static inline.
6281         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6282         ddr_dependence_level): New.
6283         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6284         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6285         RDG_MEM_READS_STMT): New.
6286         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6287         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6288         rdg_vertex_for_stmt): Declared.
6289         (struct rdg_edge): New field level.
6290         (RDGE_LEVEL, free_rdg): New.
6291         (stores_from_loop, remove_similar_memory_refs,
6292         rdg_defs_used_in_other_loops_p,
6293         have_similar_memory_accesses): Declared.
6294         (rdg_has_similar_memory_accesses): New.
6295
6296         * lambda.h (dependence_level): New.
6297         * common.opt (ftree-loop-distribution): New.
6298         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6299         (print_loop_ir): Renamed print_loops.
6300         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6301         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6302         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6303         (tree-loop-distribution.o): Added.
6304         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6305         (mark_virtual_ops_in_bb): New.
6306         (print_loops_bb, debug_loop_num, debug_loop): New.
6307         * passes.c: Scheduled pass_loop_distribution.
6308
6309 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6310
6311         * graphite.c (scan_tree_for_params): Correct the number of columns
6312         for polylib format.
6313         (nb_flat_iterator): New.
6314         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6315         (build_scop_iteration_domain): Correct the number of columns for
6316         polylib format.
6317
6318 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6319
6320         * Merge from mainline (129697:130800).
6321
6322 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6323
6324         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6325         dominated by SCoP's exit.
6326         (graphite_transform_loops): Compute post dominators.
6327
6328 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6329
6330         * Merge from mainline (127169:129697).
6331
6332 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6333
6334         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6335         parameter for the basic block that contains the expression.  Use
6336         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6337         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6338         the expression.
6339         * graphite.h (gbb_loop): New.
6340         (GBB_LOOP): Removed.
6341
6342 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6343
6344         * Makefile.in: Fix merge problem.
6345
6346 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6347
6348         * Merge from mainline (125309:127169).
6349         * tree-loop-distribution.c: Disabled.
6350
6351 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6352
6353         * Merge from mainline (r123693:125309).
6354
6355 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6356
6357         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6358         correct_modify_p
6359         (correct_modify_p, check_statements, number_of_lvalue_uses,
6360         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6361         instead of MODIFY_EXPR.
6362         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6363         and push new edges.
6364
6365 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6366
6367         * tree-loop-distribution.c (struct rdg): Replace arrays by
6368         VECs for edges and vertices.
6369         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6370         (RDGV_NB_PARTITIONS): New.
6371         (PRDG_NBV, PRDG_NBE): Removed.
6372         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6373         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6374         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6375
6376 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6377             Sebastian Pop  <sebpop@gmail.com>
6378
6379         * doc/invoke.texi (-ftree-loop-distribution): Document.
6380         * tree-loop-distribution.c: New file.
6381         * tree-pass.h (pass_loop_distribution): Declared.
6382         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6383         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6384         and set reversed_p.
6385         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6386         (DDR_REVERSED_P): New.
6387         * common.opt (-ftree-loop-distribution): New.
6388         * tree-flow.h (distribute_loops): Declared.
6389         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6390         * passes.c (init_optimization_passes): Schedule loop distribution.
6391
6392 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6393
6394         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6395         (print_scop): Don't print when scop is NULL.
6396         (build_scop_context, find_transform): Don't output to stderr.
6397
6398 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6399
6400         * tree-data-ref.c: Don't include graphite.h.
6401         Comment out the code for printing data reference's scop.
6402         (build_access_matrix_with_af): Moved...
6403         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6404         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6405         (print_graphite_bb): Print basic block's schedule.
6406         (print_scop): Don't print the schedule, call cloog's pretty printer.
6407         (bb_in_scop_p): A basic block is in a scop only if it is both
6408         dominated and postdominated by the scop's entry and exit basic blocks.
6409         (function_parameter_p): New.
6410         (invariant_in_scop_p): Use function_parameter_p.
6411         (new_scop, save_scop): New.
6412         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6413         save_scop.
6414         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6415         (loop_in_scop_p): New.
6416         (scop_record_loop): Use loop_in_scop_p.
6417         (build_scop_domain): Renamed build_scop_iteration_domain.
6418         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6419         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6420         setup_cloog_loop, dot_scop_1, dot_scop): New.
6421         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6422         (struct scop): Add a pointer to cloog's representation of a program.
6423
6424 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6425
6426         * doc/invoke.texi (-ftree-check-verbose): Renamed
6427         -ftree-checks-verbose.
6428         * common.opt (flag_tree_check_verbose): Renamed
6429         flag_tree_checks_verbose.
6430         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6431
6432 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6433
6434         * configure: Regenerated.
6435         * config.in: Regenerated.
6436         * tree-ssa-loop.c (graphite_transforms): Execute
6437         graphite_transform_loops only when HAVE_cloog.
6438         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6439         * graphite.c: Include polylibgmp.h and cloog.h.
6440         (graphite_transform_loops): Removed loops parameter.
6441         * tree-flow.h (graphite_transform_loops): Update declaration.
6442         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6443         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6444         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6445         (OBJS-common): Remove dependence on graphite.o.
6446         (BACKEND): Depend on @GRAPHITE@.
6447
6448 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6449
6450         * doc/invoke.texi (-ftree-check-verbose): Documented.
6451         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6452         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6453         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6454         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6455         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6456         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6457         * common.opt (ftree-checks-verbose): New.
6458         * tree-check.c (tree_check_warning): Move extra stderr output
6459         under control of flag_tree_check_verbose.
6460
6461 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6462
6463         * tree-match.c: Fix comments formatting.
6464         * tree-match.h: Fix comments formatting.
6465         * tree-check.c: Fix comments formatting.
6466         (tree_check_init): Restructure.
6467
6468 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6469
6470         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6471
6472 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6473
6474         * Merge from mainline (r120733:123693).
6475
6476 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6477
6478         * condate.y: New file.
6479         * tree-match.h (struct patt_info_s): New field sign.
6480         (struct condate_s): New field msg.
6481         (normalize_condate, name_condate, add_condate): New.
6482         (conds[], condate_parse): Made extern.
6483         * tree-check.c (tree_check_warning): First arg changed to cond;
6484         warning reformatted.
6485         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6486         (tree_scan): New.
6487         (tree_check): Process trivial condates.
6488         (read_delimited_string): Removed.
6489         (print_cond): Print name and msg.
6490         (conds[]): Made extern.
6491         (parse_tree_check_file_once): Rewritten to use the parser in
6492         condate.y.
6493         Processing of option --tree_check_string moved to tree_scan().
6494         * Makefile.in: Added condate.y
6495
6496 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6497
6498         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6499         Use VECs instead of varrays.
6500         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6501         * Makefile.in (pretty-print.o): Depend on vec.h.
6502         * pretty-print.c: Include tree.h and vec.h.
6503         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6504         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6505         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6506         pp_free_list): Use VECs instead of varrays.
6507         * pretty-print.h: Do not include varray.h.
6508         (struct tree_chunk_s): Declaration moved before its use.
6509         (output_buffer): Rename varray field to chunks.
6510         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6511         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6512         save_global_holes): Use VECs instead of varrays.
6513         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6514         * tree-check.c (scan_cfg_stmts, push_node,
6515         print_matching_stmt): Removed.
6516         (tree_check_instance, push_global_holes_if_new, tree_check,
6517         execute_tree_check): Use VECs instead of varrays.
6518         (gate_tree_check): Don't execute the CFG check when basic_block_info
6519         is not available.
6520
6521 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6522
6523         * Merge from mainline (r115016:120733).
6524
6525 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6526
6527         * Merge from mainline (r117632:117661).
6528
6529 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6530
6531         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6532         * tree-pass.h (TDF_DEBUG, debug_p): New.
6533         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6534         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6535         get_loop_exit_condition, analyze_evolution_in_loop,
6536         analyze_initial_condition, analyze_scalar_evolution,
6537         instantiate_parameters, number_of_latch_executions): Use debug_p.
6538         * tree-chrec.c (chrec_apply): Use debug_p.
6539         * tree-data-ref.c: Include graphite.h.
6540         (dump_data_reference): Print also the access matrix.
6541         (analyze_array, analyze_indirect_ref, init_data_ref,
6542         analyze_offset_expr, address_analysis, object_analysis,
6543         create_data_ref, finalize_ddr_dependent,
6544         non_affine_dependence_relation, analyze_ziv_subscript,
6545         analyze_siv_subscript_cst_affine,
6546         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6547         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6548         analyze_miv_subscript, analyze_overlapping_iterations,
6549         build_classic_dist_vector, subscript_dependence_tester,
6550         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6551         (build_access_matrix_with_af): No longer static.
6552         * tree-data-ref.h (scop_p): ... declaration here.
6553         (data_reference.scop): New field.
6554         (DR_SCOP, DR_ACCESS_MATRIX): New.
6555         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6556         * graphite.c (print_graphite_bb): Call dump_data_references.
6557         (print_scop): Use scop_nb_loops and scop_dim_domain.
6558         (test_for_scop_bound): Use debug_p.
6559         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6560         scop_nb_params.
6561         (scop_loop_index): Moved...
6562         (scop_record_loop): New.
6563         (build_scop_loop_nests): Use scop_record_loop.
6564         (build_scop_domain): Use scop_dim_domain.
6565         (build_access_matrix): Implemented.
6566         (build_scop_canonical_schedules): Use scop_nb_loops.
6567         (build_graphite_bb): Initialize GBB_SCOP.
6568         * graphite.h (scop_p): Moved...
6569         (graphite_bb.scop): New field.
6570         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6571         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6572         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6573         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6574         scop_loop_index): New.
6575         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6576
6577 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6578
6579         * Merge from mainline (r117661:120450).
6580
6581 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6582
6583         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6584         at the first declaration outside the varying loop, instantiate as
6585         far as possible.
6586         * tree-chrec.c (for_each_scev_op): New.
6587         * tree-chrec.h (for_each_scev_op): Declared.
6588         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6589         * tree-data-ref.c (get_references_in_stmt,
6590         find_data_references_in_stmt): New, from trunk.
6591         (find_data_references_in_loop): Use get_references_in_stmt
6592         and find_data_references_in_loop, modified as in trunk.
6593         (build_access_matrix_with_af): New.
6594         * tree-data-ref.h (data_reference): Add a field access_matrix.
6595         (data_ref_loc): New, as in trunk.
6596         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6597         invariant_in_scop_p, param_index, scan_tree_for_params,
6598         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6599         idx_record_param, idx_record_params, build_access_matrix,
6600         build_scop_data_accesses, build_scop_canonical_schedules,
6601         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6602         build_scop_params): New.
6603         * graphite.h (graphite_bb): New.
6604         (scop): Add fields static_schedule, params, loop_nest,
6605         iteration_domain.
6606         * lambda.h: Declare vecs of lambda_matrix.
6607         * tree-flow.h (print_loop_ir_bb): Declared.
6608         * tree-cfg.c (print_loop_ir_bb): New.
6609         (print_loop): Use print_loop_ir_bb.
6610
6611 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6612
6613         * Merge from mainline (r115016:117632).
6614
6615 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6616
6617         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6618         break due to a warning.
6619
6620 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6621
6622         * graphite.c (print_scops, debug_scops): New.
6623         (graphite_transform): Renamed graphite_find_transform.
6624         * graphite.h (debug_scops): Declared.
6625
6626 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6627
6628         * tree-match.c: Reformat following the GNU style.
6629         * tree-match.h: Reformat following the GNU style.
6630         * tree-pattern.h: Removed empty file.
6631         * Makefile.in: Remove references to tree-pattern.h.
6632         * tree-check.c: Reformat following the GNU style.
6633         (execute_tree_check): Move gate condition code to...
6634         (gate_tree_check): ...here.  New function.
6635         (pass_check): Use the gate function.
6636
6637 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6638
6639         * tree-pattern.h: New. Tree pattern matching and checking using
6640         concrete syntax.
6641         * tree-check.c: New. Tree/CFG checking pass.
6642         * tree-match.c: New. Library for tree pattern matching.
6643         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6644         * toplev.c, flags.h: Add globals for tree-check pass.
6645         * Makefile.in: Integrate the files in tree-check pass.
6646         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6647         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6648         Introduce a "lazy" pretty-print mode.
6649         * tree.c, tree.h: Add tree_name.
6650
6651 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6652
6653         * doc/invoke.texi (-fgraphite): Correct typo.
6654         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6655         use of print_loop_ir.
6656         * testsuite/gcc.dg/graphite/scop-1.c: New.
6657         * testsuite/gcc.dg/graphite/scop-2.c: New.
6658         * testsuite/gcc.dg/graphite/graphite.exp: New.
6659         * graphite.c: Include domwalk.h.
6660         (print_scop): Print only the entry and exit blocks.
6661         (debug_scop): No longer static.
6662         (affine_expr): Fix formating.  Return also true when the expression is
6663         constant.
6664         (stmt_simple_for_scop_p): Fix formating.
6665         (build_scops): Use domwalk.
6666         (get_loop_start, end_scop, test_for_scop_bound): New.
6667         (graphite_transform_loops): Avoid printing on stderr.
6668         * graphite.h (debug_scop): Declared.
6669         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6670         * Makefile.in (graphite.o): Depend on domwalk.h.
6671         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6672         declarations for static functions.
6673         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6674         controlling output verbosity.
6675
6676 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6677             Plesco Alexandru  <shurikx@gmail.com>
6678
6679         * doc/invoke.texi (-fgraphite): Document.
6680         * tree-pass.h (pass_graphite_transforms): Declared.
6681         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6682         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6683         (pass_graphite_transforms): Defined.
6684         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6685         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6686         * graphite.c, graphite.h: New.
6687         * common.opt (fgraphite): Declared.
6688         * tree-flow.h (graphite_transform_loops): Declared.
6689         * Makefile.in (OBJS-common): Add graphite.o.
6690         (graphite.o): New rule.
6691         * passes.c (pass_graphite_transforms): Scheduled.
6692