gcc/ChangeLog.graphite

   1 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (map_into_dep_poly): Removed.
   4         (dependence_polyhedron_1): Use combine_context_id_scat.
   5
   6 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-poly.h (struct poly_scattering): Add layout documentation.
   9         (struct poly_bb): Same.
  10         (combine_context_id_scat): New.
  11
  12 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
  13
  14         PR middle-end/42326
  15         * sese.c (name_defined_in_loop_p): Return false for default
  16         definitions.
  17
  18         * gcc.dg/graphite/pr42326.c: New.
  19
  20 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
  23         and clean up the logic.
  24
  25 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
  28         early return.
  29
  30 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  31
  32         PR middle-end/43083
  33         * graphite-scop-detection.c (create_single_exit_edge): Move
  34         the call to find_single_exit_edge to....
  35         (create_sese_edges): ...here.  Don't handle multiple edges
  36         exiting the function.
  37         (build_graphite_scops): Don't handle multiple edges
  38         exiting the function.
  39
  40         * gcc.dg/graphite/pr43083.c: New.
  41
  42 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         PR middle-end/43097
  45         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
  46         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
  47
  48         * gfortran.dg/graphite/pr43097.f: New.
  49
  50 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  51             Manuel López-Ibáñez  <manu@gcc.gnu.org>
  52
  53         PR middle-end/43140
  54         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
  55
  56 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  57
  58         PR middle-end/43026
  59         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
  60
  61         * g++.dg/graphite/pr43026.C: New.
  62
  63 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
  64
  65         * Merge from mainline (154736:156693).
  66
  67 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         PR middle-end/43012
  70         * gcc.dg/graphite/pr43012.c: New.
  71
  72 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
  75 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
  76
  77         * g++.dg/graphite/pr42930.C: New.
  78
  79 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
  80
  81         PR middle-end/42930
  82         * graphite-scop-detection.c (graphite_can_represent_scev): Call
  83         graphite_can_represent_init for MULT_EXPR.
  84
  85 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         PR middle-end/42914
  88         PR middle-end/42530
  89         * graphite-sese-to-poly.c (remove_phi): New.
  90         (translate_scalar_reduction_to_array): Call remove_phi.
  91
  92         * gcc.dg/graphite/pr42530.c: New.
  93         * gcc.dg/graphite/pr42914.c: New.
  94
  95 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         PR middle-end/42771
  98         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
  99         * graphite-clast-to-gimple.h (gloog): Update declaration.
 100         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 101         * graphite-poly.h (struct poly_bb): Add missing comments.
 102         (struct scop): Add poly_scop_p field.
 103         (POLY_SCOP_P): New.
 104         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 105         * graphite.c (graphite_transform_loops): Build the polyhedral
 106         representation for each scop before code generation.
 107         * sese.c (rename_variables_in_operand): Removed.
 108         (rename_variables_in_expr): Return the renamed expression.
 109         (rename_sese_parameters): New.
 110         * sese.h (rename_sese_parameters): Declared.
 111
 112         * gcc.dg/graphite/pr42771.c: New.
 113
 114 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 115
 116         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 117         return 0 from main.
 118         * gcc.dg/graphite/block-1.c: Same.
 119         * gcc.dg/graphite/block-3.c: Same.
 120         * gcc.dg/graphite/block-4.c: Same.
 121         * gcc.dg/graphite/block-5.c: Same.
 122         * gcc.dg/graphite/block-6.c: Same.
 123         * gcc.dg/graphite/block-7.c: Same.
 124         * gcc.dg/graphite/interchange-0.c: Same.
 125         * gcc.dg/graphite/interchange-1.c: Same.
 126         * gcc.dg/graphite/interchange-10.c: Same.
 127         * gcc.dg/graphite/interchange-11.c: Same.
 128         * gcc.dg/graphite/interchange-12.c: Same.
 129         * gcc.dg/graphite/interchange-2.c: Same.
 130         * gcc.dg/graphite/interchange-3.c: Same.
 131         * gcc.dg/graphite/interchange-4.c: Same.
 132         * gcc.dg/graphite/interchange-5.c: Same.
 133         * gcc.dg/graphite/interchange-6.c: Same.
 134         * gcc.dg/graphite/interchange-7.c: Same.
 135         * gcc.dg/graphite/interchange-8.c: Same.
 136         * gcc.dg/graphite/interchange-9.c: Same.
 137         * gcc.dg/graphite/interchange-mvt.c: Same.
 138
 139 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 140
 141         * gfortran.dg/graphite/id-19.f: New.
 142         * gfortran.dg/graphite/pr14741.f90: New.
 143         * gfortran.dg/graphite/pr41924.f90: New.
 144         * gfortran.dg/graphite/run-id-2.f90: New.
 145
 146 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         PR middle-end/42988
 149         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 150         to unknown_dependence.
 151         (graphite_legal_transform_dr): Handle the unknown_dependence.
 152         (graphite_carried_dependence_level_k): Same.
 153
 154 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 157
 158 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 159             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 160
 161         PR middle-end/42637
 162         * graphite-dependences.c (build_lexicographical_constraint): Return
 163         a union of dependence polyhedra.
 164         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 165
 166         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 167         * gcc.dg/graphite/block-4.c: Same.
 168         * gcc.dg/graphite/block-7.c: Same.
 169         * gcc.dg/graphite/interchange-12.c: Same.
 170         * gcc.dg/graphite/interchange-mvt.c: Same.
 171         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 172         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 173         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 174
 175 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 176
 177         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 178         the execution check to FAIL.  This testcase is miscompiled by Graphite
 179         and the check should be re-enabled.
 180         * gcc.dg/graphite/interchange-mvt.c: Same.
 181         * gcc.dg/graphite/block-0.c: Same.
 182         * gcc.dg/graphite/block-4.c: Same.
 183         * gcc.dg/graphite/block-7.c: Same.
 184
 185 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 188         * gcc.dg/graphite/scop-0.c: Fix spaces.
 189         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 190         * gfortran.dg/graphite/block-2.f: Same.
 191         * gfortran.dg/graphite/block-3.f90: Same.
 192         * gfortran.dg/graphite/block-4.f90: Same.
 193         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 194         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 195
 196 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 197
 198         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 199         PDDR_ORIGINAL_SCATTERING_P.
 200         (pddr_is_empty): Rewritten.
 201         (print_dependence_polyhedron_layout): New.
 202         (print_pddr): New.
 203         (debug_pddr): New.
 204         (build_alias_set_powerset): Moved up.
 205         (poly_drs_may_alias_p): Moved up.
 206         (lexicographically_gt_p): Removed.
 207         (build_lexicographically_gt_constraint): Renamed
 208         build_lexicographical_constraint, reimplemented.
 209         (dependence_polyhedron_1): Simplified parameters.
 210         (dependence_polyhedron): Same.  Keep along empty PDDRs
 211         to make efficient use of the cache.
 212         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 213         (graphite_legal_transform_dr): Rewritten.
 214         (graphite_legal_transform_bb): Pass fewer arguments to
 215         graphite_legal_transform_dr.
 216         (graphite_carried_dependence_level_k): Simplified implementation.
 217         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 218         (dot_transformed_deps_stmt_1): Same.
 219         (dot_original_deps): Same.
 220         (dot_transformed_deps): Same.
 221         * graphite-dependences.h (struct poly_ddr): Added a new field
 222         original_scattering_p.
 223         (PDDR_ORIGINAL_SCATTERING_P): New.
 224         (print_pddr): Declared.
 225         (debug_pddr): Declared.
 226         * graphite-ppl.c: Clarify comment.
 227         * sese.h (print_gimple_bb): Removed unused declaration.
 228         (debug_gbb): Same.
 229
 230 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 231
 232         * g++.dg/graphite/graphite.exp: Rewritten.
 233         * gcc.dg/graphite/graphite.exp: Rewritten.
 234         * gfortran.dg/graphite/graphite.exp: Rewritten.
 235         * gcc.dg/graphite/block-0.c: Added runtime test.
 236         * gcc.dg/graphite/block-1.c: Same.
 237         * gcc.dg/graphite/block-3.c: Same.
 238         * gcc.dg/graphite/block-4.c: Same.
 239         * gcc.dg/graphite/block-5.c: Same.
 240         * gcc.dg/graphite/block-6.c: Same.
 241         * gcc.dg/graphite/block-7.c: Same.
 242         * gcc.dg/graphite/interchange-0.c: Same.
 243         * gcc.dg/graphite/interchange-1.c: Same.
 244         * gcc.dg/graphite/interchange-10.c: Same.
 245         * gcc.dg/graphite/interchange-11.c: Same.
 246         * gcc.dg/graphite/interchange-12.c: Same.
 247         * gcc.dg/graphite/interchange-2.c: Same.
 248         * gcc.dg/graphite/interchange-3.c: Same.
 249         * gcc.dg/graphite/interchange-4.c: Same.
 250         * gcc.dg/graphite/interchange-5.c: Same.
 251         * gcc.dg/graphite/interchange-6.c: Same.
 252         * gcc.dg/graphite/interchange-7.c: Same.
 253         * gcc.dg/graphite/interchange-8.c: Same.
 254         * gcc.dg/graphite/interchange-9.c: Same.
 255         * gcc.dg/graphite/interchange-mvt.c: Same.
 256         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 257
 258 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 259
 260         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 261           background.
 262
 263 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 264
 265         * common.opt: Add -fgraphite-cloog-opts.
 266         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 267         * opts.c (decode_options): Same.
 268
 269 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 270
 271         * gcc.dg/graphite/id-17.c: New.
 272         * gcc.dg/graphite/pr41888.c: New.
 273         * gcc.dg/graphite/scop-22.c: New.
 274         * gfortran.dg/graphite/pr40982.f90: New.
 275
 276 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-dependences.c: Clarify comments.
 279         (build_pddr): Add an extra parameter direction.
 280         (graphite_legal_transform_dr): Use build_pddr.
 281         (dot_original_deps_stmt_1): Update use of build_pddr.
 282         (dot_transformed_deps_stmt_1): Same.
 283         (dot_original_deps): Same.
 284         (dot_transformed_deps): Same.
 285
 286         * gcc.dg/graphite/interchange-12.c: New.
 287         * gcc.dg/graphite/block-7.c: New.
 288
 289 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 290
 291         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 292         (pddr_transformed_scattering): Removed.
 293         (graphite_legal_transform_dr): Use build_pddr.
 294         (dot_original_deps_stmt_1): Same.
 295         (dot_transformed_deps_stmt_1): Same.
 296         (dot_original_deps): Same.
 297         (dot_transformed_deps): Same.
 298
 299 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 300
 301         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 302         (build_lexicographically_gt_constraint): Same.
 303         (dependence_polyhedron_1): Same.
 304         (dependence_polyhedron): Same.
 305
 306 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 309         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 310         (lexicographically_gt_p): Change type of direction to int.
 311         (build_lexicographically_gt_constraint): Same.
 312         (dependence_polyhedron_1): Same.
 313         (dependence_polyhedron): Same.
 314         (pddr_original_scattering): Use integers for direction.
 315         (pddr_transformed_scattering): Same.
 316         (graphite_legal_transform_dr): Same.
 317         (graphite_carried_dependence_level_k): Same.
 318
 319 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 320
 321         * graphite-dependences.c (build_pairwise_constraint): Renamed
 322         ppl_build_relation.  Moved...
 323         (dr_equality_constraints): Use ppl_build_relation.
 324         (build_pairwise_scheduling_equality): Same.
 325         (build_pairwise_scheduling_inequality): Same.
 326         * graphite-ppl.c (ppl_build_relation): ...here.
 327         * graphite-ppl.h (ppl_build_relation): Declared.
 328
 329 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 330
 331         PR middle-end/42681
 332         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 333         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 334         Set gloog_error when such an expression failed to be built.
 335         (translate_clast): Early return when gloog_error is set.
 336         (gloog): Clear gloog_error.  When gloog_error is set, call
 337         set_ifsese_condition to enable the original code.  Return the status
 338         of the code generation based on gloog_error.
 339         * sese.c (set_ifsese_condition): New.
 340         * sese.h (set_ifsese_condition): Declared.
 341
 342         * g++.dg/graphite/pr42681.C: New.
 343
 344 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         PR middle-end/42732
 347         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 348         rename_nb_iterations.
 349         * sese.c (rename_variables_in_operand): New.
 350         (rename_variables_in_expr): New.
 351         (rename_nb_iterations): New.
 352         (sese_adjust_liveout_phis): Update the rename_map.
 353         * sese.h (rename_nb_iterations): Declared.
 354         * tree-scalar-evolution.c (scev_reset_htab): New.
 355         (scev_reset): Call scev_reset_htab.
 356         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 357
 358         * gfortran.dg/graphite/pr42732.f: New.
 359
 360 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         PR middle-end/42393
 363         * graphite-clast-to-gimple.c: Fix formatting.
 364         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 365         (expr_defined_in_loop_p): New.
 366         (add_loop_exit_phis): Also handle full expressions: remove from
 367         the rename_map the expressions defined in the loop that we're closing.
 368
 369         * gfortran.dg/graphite/pr42393-1.f90: New.
 370         * gfortran.dg/graphite/pr42393.f90: Add new flags
 371         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 372         make this testcase useful in the Graphite branch.
 373
 374 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 375
 376         * graphite-scop-detection.c (exclude_component_ref): Removed.
 377         (is_simple_operand): Removed.
 378         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 379
 380 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 381
 382         PR middle-end/42221
 383         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 384         the array indexing of ADDR_EXPRs.
 385
 386         * gcc.dg/graphite/pr42221.c: New.
 387
 388 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         PR middle-end/42521
 391         * graphite.c (graphite_finalize): Call scev_reset.
 392         (graphite_transform_loops): Do not call scev_reset between the code
 393         generation of scops.
 394
 395         * gcc.dg/graphite/pr42521.c: New.
 396
 397 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 398
 399         * graphite-interchange.c (memory_stride_in_loop): Renamed
 400         pdr_stride_in_loop.
 401         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 402         (memory_strides_in_loop): Memoize the memory strides per loop.
 403         (lst_interchange_profitable_p): Do not initialize to zero the memory
 404         strides.
 405         * graphite-poly.h (struct lst): Add a field memory_strides.
 406         (LST_LOOP_MEMORY_STRIDES): New.
 407         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 408         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 409
 410 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 411
 412         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 413         memory_strides_in_loop.  Gather memory strides on a whole loop.
 414         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 415         (lst_interchange_profitable_p): Removed.
 416         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 417
 418 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 421         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 422         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 423         Remove context_loop and level.
 424
 425 2010-01-07  Richard Guenther  <rguenther@suse.de>
 426
 427         PR tree-optimization/42641
 428         * sese.c (rename_map_elt_info): Use the SSA name version, do
 429         not hash pointers.
 430
 431 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 432
 433         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 434         blocked" only when both the strip mine and the interchange have
 435         been applied.
 436
 437         * gcc.dg/graphite/block-2.c: Removed.
 438         * gcc.dg/graphite/block-3.c: Add scan pattern.
 439         * gcc.dg/graphite/block-4.c: Same.
 440         * gcc.dg/graphite/block-5.c: Same.
 441         * gcc.dg/graphite/block-6.c: Same.
 442
 443 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 446         before allocating a new one.
 447         (copy_renames): Check that slot is not NULL.
 448         (mark_bb_with_pbb): Same.
 449         (compute_cloog_iv_types_1): Same.
 450         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 451         nest, and after LSTs.
 452         (lst_try_interchange_loops): Same.
 453
 454 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 455
 456         PR middle-end/42178
 457         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 458         the before, nest, and after LSTs.
 459         (lst_try_interchange): Removed.
 460         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 461         were modified.
 462         (lst_interchange_select_outer): Apply interchange on the outer loop
 463         until there are no more changes in the inner loops.
 464
 465 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         Revert patch fixing PR middle-end/42221.
 468
 469 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         PR middle-end/42180
 472         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 473         GIMPLE_CALL.
 474
 475         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 476
 477 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         PR middle-end/42180
 480         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 481         that contain only one statement.
 482
 483         * gfortran.dg/graphite/pr42180.f90: New.
 484
 485 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 486
 487         PR middle-end/42393
 488         * gfortran.dg/graphite/pr42393.f90: New.
 489
 490 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 491
 492         PR middle-end/42186
 493         * gfortran.dg/graphite/pr42186.f90: New.
 494
 495 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 496
 497         PR middle-end/42205
 498         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 499         Insert the reduction copy in the same block as the phi node.
 500         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 501
 502         * gcc.dg/graphite/pr42205-1.c: New.
 503         * gcc.dg/graphite/pr42205-2.c: New.
 504
 505 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         PR middle-end/42221
 508         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 509         the array indexing of ADDR_EXPRs.
 510
 511         * gcc.dg/graphite/pr42221.c: New.
 512
 513 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 514
 515         PR middle-end/42178
 516         PR middle-end/42334
 517         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 518         index.  Call lst_interchange_select_inner only once.
 519         (lst_interchange_select_inner): Update use of lst_try_interchange.
 520         (lst_interchange_select_outer): Update.
 521
 522 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         PR middle-end/42178
 525         PR middle-end/42334
 526         * graphite-interchange.c (lst_try_interchange): Do not increment the
 527         the OUTER index when there is no AFTER kernel.  Do not increment the
 528         OUTER index for after processing the AFTER kernel.
 529         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 530         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 531         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 532         (scop_do_interchange): Update use of lst_interchange_select_outer.
 533
 534         * gfortran.dg/graphite/graphite.exp
 535         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 536         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 537         the graphite dump file.
 538         * gfortran.dg/graphite/interchange-2.f: Same.
 539         * gfortran.dg/graphite/pr42334-1.f: New.
 540
 541 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         PR middle-end/42178
 544         PR middle-end/42334
 545         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 546         that are empty.
 547         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 548         (lst_try_interchange): Reimplemented.
 549         (lst_interchange_select_inner): Same.
 550         (lst_do_interchange): Renamed lst_interchange_select_outer.
 551         Reimplemented.
 552         (scop_do_interchange): Update use of lst_interchange_select_outer.
 553
 554         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 555         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 556         * gcc.dg/graphite/pr42211.c: New.
 557         * gfortran.dg/graphite/pr42334.f90: New.
 558
 559 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 560
 561         PR middle-end/42181
 562         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 563         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 564
 565         * gfortran.dg/graphite/pr42181.f90: New.
 566
 567 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 568
 569         PR middle-end/42284
 570         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 571         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 572         (detect_commutative_reduction_arg): Simplified.
 573         (detect_commutative_reduction): Early return when the argument of
 574         the close phi is not of an SSA_NAME.
 575
 576         * gcc.dg/graphite/pr42284.c: New.
 577
 578 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 579
 580         * dbgcnt.def (graphite_scop): New counter.
 581         * graphite.c: Include dbgcnt.h
 582         (graphite_transform_loops): Use new counter to limit transformations.
 583
 584 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 585
 586         PR middle-end/42285
 587         * graphite-scop-detection.c (graphite_can_represent_init): Also
 588         handle more complex MULT_EXPRs containing parameters by recursion
 589         on the structure.
 590
 591         * gfortran.dg/graphite/pr42285.f90: New.
 592
 593 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 594
 595         * g++.dg/graphite/pr42130.C: Fix type.
 596
 597 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 598
 599         * g++.dg/graphite/pr42130.C: Correct testcase.
 600
 601 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 602
 603         * Merge from mainline (154493:154734).
 604
 605 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 606
 607         * Merge from mainline (151362:154491).
 608
 609 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 610
 611         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 612         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 613
 614 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 615
 616         PR middle-end/42130
 617         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 618         translate_clast_for_loop): New.
 619         (translate_clast_for): Add a condition around the loop, to do not
 620         execute loops with zero iterations.
 621         * g++.dg/graphite/pr42130.C: New.
 622         * gcc.dg/graphite/pr35356-2.c: Adapt.
 623
 624 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 625
 626         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 627         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 628         Remove context_loop and level.
 629
 630 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 631
 632         * graphite-clast-to-gimple.c (translate_clast_user,
 633         translate_clast_for, translate_clast_guard): Simplify and move common
 634         elements to translate_clast().
 635         (translate_clast): Simplify and get common elements.
 636
 637 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 638
 639         * graphite-clast-to-gimple.c (translate_clast_user,
 640         translate_clast_for, translate_clast_guard): Split out of
 641         translate_clast.
 642
 643 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 644
 645         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 646         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 647         debug_clast_name_indexes_1, debug_clast_name_indexes,
 648         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 649         (clast_name_to_gcc, clast_to_gcc_expression,
 650         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 651         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 652         graphite_create_guard_cond_expr, graphite_create_new_loop,
 653         translate_clast): Add params_index.
 654         (initialize_cloog_names): Create parameter strings from scratch, do
 655         not reference other strings.
 656         (create_params_index): New.
 657         (gloog): Initialize params_index.
 658         * graphite-scop-detection (free_scops_1): Removed.
 659         (limit_scops): Use normal free_scops.
 660         * graphite-sese-to-poly.c (save_var_names): Removed.
 661         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 662         and SESE_PARAMS_INDEX.
 663         * sese.c (new_sese, free_sese): Dito.
 664         * sese.h (struct sese): Remove params_index, params_names.
 665         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 666
 667 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         Revert the following patch from 2009-09-14:
 670         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 671         tree-scalar-evolution.h, and then tree-data-ref.h.
 672         * graphite-clast-to-gimple.c: Same.
 673         * graphite-dependences.c: Same.
 674         * graphite-interchange.c: Same.
 675         * graphite-poly.c: Same.
 676         * graphite-scop-detection.c: Same.
 677         * graphite-sese-to-poly.c: Same.
 678         * graphite.c: Same.
 679         * lambda-code.c: Same.
 680         * matrix-reorg.c: Same.
 681         * tree-data-ref.c: Same.
 682         * tree-if-conv.c: Same.
 683         * tree-loop-distribu: Same.: Same.
 684         * tree-loop-linear.c: Same.
 685         * tree-parloops.c: Same.
 686         * tree-predcom.c: Same.
 687         * tree-vect-patterns.c: Same.
 688
 689 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 690
 691         Revert patch from 2009-09-14.
 692         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 693         passes at -O1 and below.
 694
 695 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 696
 697         PR middle-end/40281
 698         * gcc.dg/graphite/pr40281.c: New.
 699
 700         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 701         evolutions should not variate in inner loops.
 702
 703 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         PR middle-end/42050
 706         * gfortran.dg/graphite/pr42050.f90: New.
 707
 708 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 709
 710         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 711         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 712
 713 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 714
 715         * graphite-blocking.c (scop_do_block): New.
 716         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 717         * graphite-poly.h (scop_do_block): Declared.
 718
 719 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 722         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 723         to transform depth into the time_depth before calling
 724         pbb_number_of_iterations_at_time.
 725         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 726         lst_depth.
 727
 728 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         Reverted the patch for "scattering permutations" from 2009-10-28.
 731
 732         * graphite-poly.c (print_permutation): New.
 733         (debug_permutation): New.
 734         (new_poly_bb): Initialize PBB_PERMUTATION.
 735         (free_poly_bb): Free PBB_PERMUTATION.
 736         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 737         (struct pbb_permutation_elt): New.
 738         (PBB_PERMUTATION_ELT_STRIDE): New.
 739         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 740         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 741         (new_pbb_permutation_elt): New.
 742         (pbb_permutation_elt_free): New.
 743         (struct poly_bb): Add field permutation.
 744         (PBB_PERMUTATION): New.
 745         (print_permutation): Declared.
 746         (debug_permutation): Declared.
 747
 748 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 749
 750         * graphite-interchange.c (build_partial_difference): New.
 751         (memory_stride_in_loop): Refactored the computation of
 752         equality constraints into build_partial_difference function.
 753         Added support for debugging stride computations.
 754
 755 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-clast-to-gimple.c (gloog): Free if_region,
 758         if_region->true_region, and if_region->region.
 759         * sese.c (if_region_set_false_region): Free if_region->false_region.
 760         (create_if_region_on_edge): Do not use GGC_NEW.
 761         (move_sese_in_condition): Remove useless initialization.
 762
 763 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 766         for the loops created by the loop distribution.  Do not modify the
 767         input LSTs.
 768         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 769         transformed schedule.  Call lst_update_scattering before data
 770         dependence analysis.
 771         (lst_try_interchange): Pass an extra parameter INDEX.
 772         (lst_do_interchange_1): New.
 773         (lst_do_interchange): Call lst_do_interchange_1.
 774         (scop_do_interchange): Call lst_update_scattering.
 775         * graphite-poly.c (apply_poly_transforms): Do not call
 776         lst_update_scattering.
 777         * graphite-poly.h (lst_pred): New.
 778         (lst_succ): New.
 779         (lst_find_first_pbb): Return NULL when not found.
 780         (lst_empty_p): New.
 781         (lst_insert_in_sequence): Allow LST1 to be NULL.
 782         (lst_replace): New.
 783         (lst_substitute_3): New.
 784         * gcc.dg/graphite/interchange-1.c: XFail.
 785         * gcc.dg/graphite/interchange-8.c: XFail.
 786         * gcc.dg/graphite/interchange-11.c: XFail.
 787
 788 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 789
 790         * graphite-interchange.c (lst_perfectly_nested_p): New.
 791         (lst_perfect_nestify): New.
 792         (lst_try_interchange_loops): Call store_lst_schedule,
 793         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 794         (scop_do_interchange): Avoid redundant legality test.
 795         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 796         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 797         * graphite-poly.h (psct_static_dim): New.
 798         (lst_dewey_number_at_depth): New.
 799         (lst_find_pbb): Restructured.
 800         (lst_find_first_pbb): Restructured.
 801         (lst_find_last_pbb): New.
 802         (lst_contains_p): New.
 803         (lst_contains_pbb): New.
 804         (lst_create_nest): New.
 805         (lst_remove_from_sequence): New.
 806         (pbb_update_scattering): New.
 807         (lst_update_scattering_under): New.
 808         (lst_update_scattering_seq): New.
 809         (lst_update_scattering): New.
 810         (lst_insert_in_sequence): New.
 811         (lst_distribute_lst): New.
 812         (lst_remove_all_before_including_pbb): New.
 813         (lst_remove_all_before_excluding_pbb): New.
 814
 815 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 816
 817         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 818         get_loop_exit_edges.
 819
 820 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 821
 822         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 823
 824 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 825
 826         * graphite-poly.c (print_permutation): New.
 827         (debug_permutation): New.
 828         (new_poly_bb): Initialize PBB_PERMUTATION.
 829         (free_poly_bb): Free PBB_PERMUTATION.
 830         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 831         (struct pbb_permutation_elt): New.
 832         (PBB_PERMUTATION_ELT_STRIDE): New.
 833         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 834         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 835         (new_pbb_permutation_elt): New.
 836         (pbb_permutation_elt_free): New.
 837         (struct poly_bb): Add field permutation.
 838         (PBB_PERMUTATION): New.
 839         (print_permutation): Declared.
 840         (debug_permutation): Declared.
 841
 842 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * graphite-clast-to-gimple.c (gloog): Do not call
 845         sese_reset_aux_in_loops.
 846         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 847         extra argument for domains.  Do not use loop->aux.
 848         (build_scop_iteration_domain): Initialize and free domains, pass it
 849         to build_loop_iteration_domains and extract the information from
 850         domains.  Do not use loop->aux.
 851         * sese.c (sese_reset_aux_in_loops): Removed.
 852         * sese.h (sese_reset_aux_in_loops): Removed.
 853
 854 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 857         (dependency_in_loop_p): Same.
 858         (translate_clast): Do not use loop->aux.  Initialize
 859         loop->can_be_parallel.
 860         (mark_loops_parallel): Removed.
 861         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 862         * graphite.c (free_aux_in_new_loops): Removed.
 863         (graphite_finalize): Do not call free_aux_in_new_loops.
 864         (graphite_transform_loops): Do not call mark_loops_parallel.
 865
 866 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 867
 868         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 869         (translate_clast): Pass an extra parameter LEVEL.
 870         Call get_scattering_level.
 871         * graphite-clast-to-gimple.h (get_scattering_level): New.
 872
 873 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 874
 875         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 876         * cfgloop.h (struct loop): New field single_iv.
 877
 878         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 879         loop->aux anymore: use loop->single_iv.
 880         (graphite_loop_normal_form): Moved...
 881         (build_graphite_loop_normal_form): Removed.
 882         (gloog): Do not call build_graphite_loop_normal_form.
 883         (free_aux_in_new_loops): Moved...
 884         (mark_loops_parallel): Restructure.
 885         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 886         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 887         (scop_canonicalize_loops): New.
 888         (build_poly_scop): Call scop_canonicalize_loops.
 889         * graphite.c (free_aux_in_new_loops): ...here.
 890
 891 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 892
 893         * g++.dg/graphite/graphite.exp: Add the same rules as in
 894         gcc.dg/graphite/graphite.exp.
 895
 896 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 897
 898         * g++.dg/graphite/id-1.C: New.
 899
 900 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 903         argument base_name.
 904         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 905         (rewrite_phi_out_of_ssa): Same.
 906         (rewrite_cross_bb_scalar_deps): Same.
 907         (translate_scalar_reduction_to_array): Same.
 908
 909 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 912         dump_alias_graphs.
 913
 914 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 917         (build_scop_drs): Call dump_alias_graphs.
 918
 919 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 920
 921         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 922         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 923         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 924         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 925         * graphite-poly.h (free_lst): New.
 926         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 927         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 928
 929 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 930
 931         * graphite-poly.h (struct scop): Add a field saved_schedule.
 932         (SCOP_SAVED_SCHEDULE): New.
 933         (store_lst_schedule): New.
 934         (restore_lst_schedule): New.
 935         (store_scattering): Call store_lst_schedule.
 936         (restore_scattering): Call restore_lst_schedule.
 937
 938 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 941         (pdr_add_alias_set): Same.
 942         (build_poly_dr): Same.
 943         (build_alias_set_optimal_p): Same.
 944         (build_base_obj_set_for_drs): Same.  Do not store the result of
 945         graphds_dfs.
 946
 947 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 950         all_components_are_cliques to 1.
 951
 952 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 953
 954         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 955         the new structure.
 956         (pdr_add_alias_set): Update retrieving alias_set_num.
 957         (build_poly_dr): Update retrieving dr_base_object_set.
 958         (partition_drs_to_sets): Remove.
 959         (build_alias_set_optimal_p): New.
 960         (build_alias_set_for_drs): Rename.
 961         (build_scop_drs): Update.
 962         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 963         (ALIAS_SET_INDEX): Remove.
 964         (BASE_OBJECT_SET_INDEX): Remove.
 965
 966 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 969
 970 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 973         loop upper bounds for 1-element arrays at end of structures.
 974         * tree-flow.h (array_at_struct_end_p): Declared.
 975         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 976
 977 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 978
 979         * g++.dg/graphite/pr41305.C: New.
 980
 981 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 982
 983         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 984         construction of parameter constraints from loop iteration analysis.
 985         * gcc.dg/graphite/run-id-2.c: New test.
 986
 987 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 988
 989         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 990         and new_cstr.
 991
 992 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 993
 994         * graphite-dependences.c (dependence_polyhedron_1): Remove
 995         unused gdim dimensions from the DDR polyhedron.
 996
 997 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 998
 999         * graphite-dependences.c (pddr_transformed_scattering): New.
1000         (dot_original_deps_stmt_1): New.
1001         (dot_transformed_deps_stmt_1): New.
1002         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1003         dot_transformed_deps_stmt_1.
1004         (dot_original_deps): New.
1005         (dot_transformed_deps): New.
1006         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1007
1008 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * graphite-dependences.c (reduction_dr_1): Remove wrong
1011         assert: reduction BBs can have multiple reduction writes
1012         to memory.  interchange-3.f90 is an example.
1013
1014 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * gfortran.dg/graphite/interchange-3.f90: New.
1017
1018 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1019
1020         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1021
1022 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * graphite-dependences.c (dependence_polyhedron_1): Add the
1025         context to the dependence polyhedron.
1026
1027 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1028
1029         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1030         PBB_PDR_DUPLICATES_REMOVED.
1031         (new_poly_bb): Same.
1032
1033 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1034
1035         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1036         SCOP_CONTEXT.
1037         (build_loop_iteration_domains): Extract bounds on parameters
1038         based on the data size.
1039         (build_scop_context): Do not initialize SCOP_CONTEXT;
1040         add new constraints.
1041
1042 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1045         * graphite-ppl.h (graphite-ppl.h): Declared.
1046
1047 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         * graphite-ppl.c (ppl_print_linear_expr): New.
1050         (debug_ppl_linear_expr): New.
1051         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1052         (debug_ppl_linear_expr): Declared.
1053
1054 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * graphite-interchange.c: Fix comments.
1057         * gcc.dg/graphite/block-1.c: Fix comments.
1058
1059 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1062         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1063
1064 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         Reapply the patch from Alexander Monakov that disappeared during
1067         the last merges from trunk.
1068
1069         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1070
1071         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1072         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1073
1074 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1075
1076         * graphite-interchange.c (memory_stride_in_loop): The depth
1077         argument corresponds to a dynamic time dimension, so use
1078         psct_dynamic_dim to refer to the transformed scattering dimension.
1079
1080 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1083
1084 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1087         root of the LST.
1088         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1089         the root of the LST.
1090         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1091         fake loop.
1092         (print_lst): Print the root of LST in a different format.
1093         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1094
1095 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1096
1097         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1098
1099 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * doc/passes.texi: Document the Graphite infrastructure.
1102
1103 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1104
1105         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1106         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1107         and check the SSA representation.
1108
1109         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1110
1111 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1114
1115 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * gcc.dg/graphite/interchange-11.c: New.
1118
1119 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1122
1123 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1124
1125         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1126         Add -fno-loop-strip-mine and -fno-loop-interchange.
1127         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1128         -fno-loop-strip-mine.
1129         * gfortran.dg/graphite/graphite.exp: Same.
1130
1131 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1134         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1135         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1136         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1137         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1138         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1139         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1140         DEFAULT_FLAGS_GRAPHITE_SCOP.
1141         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1142         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1143
1144 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1147
1148 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1149             Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * graphite-interchange.c (build_linearized_memory_access): Pass an
1152         offset as parameter.
1153         (memory_stride_in_loop): Include transform scattering in the
1154         access functions to be able to querry the strides in the
1155         transformed loops.
1156         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1157         not the psct_iterator_dim.
1158
1159 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1162         (lst_do_strip_mine_loop): New.
1163         (lst_do_strip_mine): New.
1164         (scop_do_strip_mine): Call lst_do_strip_mine.
1165         * graphite-poly.h (lst_add_loop_under_loop): New.
1166         (lst_find_first_pbb): New.
1167
1168 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * graphite-poly.c (loop_to_lst): Fix LST creation.
1171
1172 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1173
1174         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1175         sizeof(unsigned long) to make it run on 32bit systems.
1176
1177 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1178
1179         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1180         SEGFAULT on 32bit.
1181
1182 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1183
1184         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1185         Comment.
1186         (write_alias_graph_to_ascii_dot): New.
1187         (write_alias_graph_to_ascii_ecc): Ditto.
1188         (partition_drs_to_sets): Add testing of optimality of current method
1189         which assigns alias numbers according to DFS Comopnent number.  used
1190         as heuristic for the upcoming ECC algorithm.
1191         (build_scop_drs): Write to file also with the ecc and dot format.
1192
1193 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1194
1195         * gfortran.dg/graphite/interchange-1.f: XFail.
1196
1197 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite.c (graphite_initialize): Do not handle functions with
1200         more than 100 basic blocks.
1201
1202 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * graphite-blocking.c (pbb_do_strip_mine): Use
1205         PARAM_LOOP_BLOCK_TILE_SIZE.
1206
1207 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * graphite-poly.c (dot_lst_1): New.
1210         (dot_lst): New.
1211         * graphite-poly.h (dot_lst): Declared.
1212
1213 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         * graphite-dependences.c (dot_deps_stmt_1): New.
1216         (dot_deps_stmt): New.
1217         * graphite-dependences.h (dot_deps_stmt): Declared.
1218
1219 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1222         not replace cross BB scalar dependences ending on PHI nodes.
1223         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1224
1225 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-poly.c (apply_poly_transforms): Implement the high
1228         level driver for flag_loop_block.
1229         * opts.c (decode_options): Enable flag_loop_block at -O2.
1230         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1231         flag_loop_block.
1232
1233         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1234         -floop-block.
1235         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1236         Add -floop-block.
1237
1238 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-poly.h (lst_find_pbb): New.
1241         (find_lst_loop): New.
1242
1243 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1246         * graphite-poly.h (struct scop): Remove dep_graph field.
1247         (SCOP_DEP_GRAPH): Removed.
1248
1249 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-poly.h (copy_lst): Do full copy of LST.
1252
1253 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1254
1255         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1256         when the loop stride is zero.
1257
1258         * gcc.dg/graphite/id-16.c: New.
1259
1260 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1261
1262         * graphite-dependences.c (reduction_dr_1): New.
1263         (reduction_dr_p): New.
1264         (graphite_legal_transform_dr): Call reduction_dr_p.
1265         (reduction_ddr): Renamed reduction_ddr_p.
1266         * graphite-poly.h (same_pdr_p): New.
1267         (number_of_write_pdrs): New.
1268         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1269         (split_reduction_stmt): Do not split reduction statements
1270         when there are no writes to memory.
1271         (translate_scalar_reduction_to_array_for_stmt): Insert the
1272         memory reduction statement just after the scalar reduction statement.
1273
1274         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1275         Un-XFAIL-ed.
1276         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1277         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1278
1279 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-interchange.c (lst_apply_interchange): New.
1282         (lst_interchange_profitable_p): New.
1283         (lst_try_interchange_loops): New.
1284         (lst_try_interchange): New.
1285         (lst_do_interchange): New.
1286         (pbb_do_interchange): Removed.
1287         (scop_do_interchange): Call lst_do_interchange.
1288
1289 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1292         SCOP_TRANSFORMED_SCHEDULE.
1293         (loop_to_lst): New.
1294         (scop_to_lst): New.
1295         (print_lst): New.
1296         (debug_lst): New.
1297         * graphite-poly.h (lst_p): New.
1298         (struct lst): New.
1299         (LST_LOOP_P): New.
1300         (LST_LOOP_FATHER): New.
1301         (LST_PBB): New.
1302         (LST_SEQ): New.
1303         (scop_to_lst): Declared.
1304         (print_lst): Declared.
1305         (debug_lst): Declared.
1306         (new_lst_loop): New.
1307         (new_lst_stmt): New.
1308         (copy_lst): New.
1309         (lst_depth): New.
1310         (lst_dewey_number): New.
1311         (struct scop): Add original_schedule and transformed_schedule fields.
1312         (SCOP_ORIGINAL_SCHEDULE): New.
1313         (SCOP_TRANSFORMED_SCHEDULE): New.
1314         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1315
1316 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * graphite-dependences.c (reduction_ddr): New.
1319         (graphite_legal_transform_bb): Call reduction_ddr.
1320         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1321         Initialize PBB_IS_REDUCTION.
1322         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1323         (PBB_IS_REDUCTION): New.
1324         (new_poly_bb): Update declaration.
1325         * graphite-scop-detection.h (build_scop_bbs): Removed.
1326         (nb_reductions_in_loop): Removed.
1327         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1328         parameter for reductions.
1329         (try_generate_gimple_bb): Update call to new_poly_bb.
1330         (build_scop_bbs_1): Same.
1331         (build_scop_bbs): Same.
1332         (gsi_for_phi_node): New.
1333         (scalar_close_phi_node_p): Remove gcc_assert.
1334         (split_reduction_stmt): New.
1335         (is_reduction_operation_p): New.
1336         (phi_contains_arg): New.
1337         (follow_ssa_with_commutative_ops): New.
1338         (detect_commutative_reduction_arg): New.
1339         (detect_commutative_reduction_assign): New.
1340         (follow_inital_value_to_phi): New.
1341         (edge_initial_value_for_loop_phi): New.
1342         (initial_value_for_loop_phi): New.
1343         (detect_commutative_reduction): New.
1344         (translate_scalar_reduction_to_array_for_stmt): New.
1345         (insert_copyout): New.
1346         (insert_copyin): New.
1347         (translate_scalar_reduction_to_array): New.
1348         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1349         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1350         (rewrite_commutative_reductions_out_of_ssa): New.
1351         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1352         * sese.h (split_region_for_bb): New.
1353
1354         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1355         * gcc.dg/graphite/interchange-1.c: Fix format.
1356         * gcc.dg/graphite/interchange-10.c: New.
1357
1358 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1361         buggy assert.
1362
1363 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1366         (rewrite_cross_bb_scalar_dependence): New.
1367         (rewrite_cross_bb_scalar_deps): New.
1368         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1369         Call rewrite_cross_bb_scalar_deps.
1370
1371 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1372
1373         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1374         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1375         gsi_for_stmt.
1376
1377 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1378
1379         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1380         * graphite-interchange.c (pbb_do_interchange): Same.
1381         * graphite-poly.c (print_scattering_function): Same.
1382         (debug_pdrs): Same.
1383         * graphite-poly.h (pbb_loop): New.
1384         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1385
1386 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1389
1390 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1393         so don't pass a pointer to it.
1394         (build_alias_set_for_drs): Same.
1395         (build_base_obj_set_for_drs): Same.
1396         (build_scop_drs): Same.
1397
1398 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1399
1400         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1401         the alias graph of data references.
1402
1403 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1404
1405         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1406         (build_scop_drs): When debugging, write the alias graph to file,
1407         otherwise, should be disabled.
1408
1409 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1410
1411         * Merge from mainline (151310:151361).
1412
1413 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * Merge from mainline (151171:151310).
1416
1417 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1418
1419         * Merge from mainline (151171:151806).
1420
1421 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1422
1423         * Revert the last commit.
1424
1425 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1426
1427         * Merge from mainline (151171:151819).
1428
1429 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1432         (is_simple_operand): Remove call to stmt_simple_memref_p.
1433         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1434
1435 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1436
1437         * gcc.dg/graphite/interchange-mvt.c: New File.
1438         * gcc.dg/graphite/scop-dsyrk.c: New File.
1439         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1440         * gcc.dg/graphite/scop-mvt.c: New File.
1441         * gcc.dg/graphite/scop-sor.c: New File.
1442
1443 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1444
1445         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1446         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1447         (graphite_carried_dependence_level_k): Ditto.
1448         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1449         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1450         (new_poly_dr): Adjust declaration.
1451         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1452         (free_gimple_bb): Added free_data_refs_aux.
1453         (build_poly_dr): Add dr_base_object_set.
1454         (partition_drs_to_sets): New.
1455         (dr_same_base_object_p): New.
1456         (build_alias_set_for_drs): New.
1457         (build_base_object_set_for_drs): New.
1458         (build_scop_drs): Add build_base_obj_set_for_drs.
1459         * graphite-sese-to-poly.h: Added #define for alias set number index and
1460         base object set index.
1461         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1462         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1463
1464 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1465
1466         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1467         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1468
1469 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * graphite-sese-to-poly.c (struct irp_data): Removed.
1472         (idx_record_params): Removed.
1473         (find_params_in_bb): Scan for parameters the access functions; don't
1474         parse the tree representation.
1475
1476 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1479         passes at -O1 and below.
1480
1481 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1484         tree-scalar-evolution.h, and then tree-data-ref.h.
1485         * graphite-clast-to-gimple.c: Same.
1486         * graphite-dependences.c: Same.
1487         * graphite-interchange.c: Same.
1488         * graphite-poly.c: Same.
1489         * graphite-scop-detection.c: Same.
1490         * graphite-sese-to-poly.c: Same.
1491         * graphite.c: Same.
1492         * lambda-code.c: Same.
1493         * matrix-reorg.c: Same.
1494         * tree-data-ref.c: Same.
1495         * tree-if-conv.c: Same.
1496         * tree-loop-distribu: Same.: Same.
1497         * tree-loop-linear.c: Same.
1498         * tree-parloops.c: Same.
1499         * tree-predcom.c: Same.
1500         * tree-vect-patterns.c: Same.
1501
1502 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1503
1504         Partially revert the previous patch, except the following.
1505         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1506         as parameters the operands of the not expression.
1507
1508 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1509
1510         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1511         Do not call analyze_scalar_evolution on assignments.
1512         (instantiate_scev_phi): Call analyze_scalar_evolution.
1513         (instantiate_scev_name): Call instantiate_scev_assign and
1514         instantiate_scev_phi.
1515         (instantiate_scev_not): Adapted to pass as parameters the operands
1516         of the not expression.
1517
1518 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1521         to pass as parameters the operands of the binary expression.
1522
1523 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1524
1525         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1526         instantiate_scev_not.  Handle NEGATE_EXPR.
1527         (instantiate_scev_r): Handle NEGATE_EXPR.
1528
1529 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1530
1531         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1532         instantiate_scev_r.
1533         (instantiate_scev_r): Move code in instantiate_scev_2
1534         and instantiate_scev_1.
1535
1536 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * tree-scalar-evolution.c (instantiate_scev_3): New.
1539         (instantiate_scev_1): Move code in instantiate_scev_3.
1540
1541 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1544         (instantiate_scev_1): Move code in instantiate_scev_poly.
1545
1546 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1549         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1550
1551 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1554         (instantiate_scev_1): Move code in instantiate_scev_convert.
1555
1556 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1559         (instantiate_scev_1): Move code in instantiate_scev_binary.
1560
1561 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1562
1563         * tree-scalar-evolution.c (instantiate_scev_name): New.
1564         (instantiate_scev_1): Move code in instantiate_scev_name.
1565
1566 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1567
1568         * Merge from mainline (150992:151171).
1569
1570 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1571
1572         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1573
1574 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         * graphite-dependences.c (graphite_legal_transform_bb): Call
1577         pbb_remove_duplicate_pdrs.
1578         * graphite-poly.c (can_collapse_pdr): Removed.
1579         (pdr_find_duplicate): Removed.
1580         (can_collapse_pdrs): New.
1581         (pbb_remove_duplicate_pdrs): New.
1582         (new_poly_dr): Do not look for duplicates.
1583         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1584         (PBB_PDR_DUPLICATES_REMOVED): New.
1585         (pbb_remove_duplicate_pdrs): Declared.
1586
1587 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1590         the strides by multiplying by PDR_NB_REFS.
1591         * graphite-poly.c (can_collapse_pdr): New.
1592         (pdr_find_duplicate): New.
1593         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1594         Initialize PDR_NB_REFS.
1595         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1596         (PDR_NB_REFS): New.
1597         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1598
1599 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         Revert one of the previous commits:
1602         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1603         the computation of symmetric data dependence relations.
1604         (dependency_between_pbbs_p): Same.
1605
1606 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1607
1608         PR middle-end/40965
1609         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1610         any transform.
1611
1612 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * graphite-dependences.c (pddr_original_scattering): Return NULL
1615         for read-read dependence relations.
1616         * graphite-poly.h (enum poly_dr_type): Fix comment.
1617         (pdr_read_p): New.
1618         (pdr_write_p): New.
1619         (pdr_may_write_p): New.
1620
1621 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1622
1623         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1624         (struct poly_dr): Same.
1625         (new_poly_dr): Same.
1626         * graphite-poly.c (new_poly_dr): Same.
1627
1628 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1629             Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1632         pbb_strip_mine_time_depth.  Changed the implementation so that
1633         transformation is expressed as a transformation on
1634         time (scatttering) dimensions.  Also, ensures that the 2d+1
1635         scheduling format is preserved.
1636         (pbb_strip_mine_profitable_p): Profitability is based on the
1637         iteration number of a given time (scattering) dimension,
1638         and not on a original loop depth dimension.
1639         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1640         (pbb_do_strip_mine): Call psct_dynamic_dim.
1641         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1642         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1643         (pbb_nb_dynamic_scattering_transform): New.
1644         (psct_dynamic_dim): New.
1645
1646 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1647
1648         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1649         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1650         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1651         * graphite-interchange.c (build_linearized_memory_access): Same.
1652         (memory_stride_in_loop): Same.
1653
1654 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-dependences.c (pddr_original_scattering): New.
1657         (graphite_legal_transform_dr): Call pddr_original_scattering.
1658         (dot_deps_1): New.
1659         (dot_deps): New.
1660         * graphite-dependences.h (dot_deps): Declared.
1661         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1662         (print_pdr): Print PDR_ID.
1663         * graphite-poly.h (struct poly_dr): Add field id.
1664         (PDR_ID): New.
1665         (pbb_index): New.
1666         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1667
1668 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1671         not delete the original dependence relation.
1672
1673 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1676         the computation of symmetric data dependence relations.
1677         (dependency_between_pbbs_p): Same.
1678
1679 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1682         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1683         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1684         (free_poly_ddr): New.
1685         (pddr_is_empty): New.
1686         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1687         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1688         Remove fprintfs.
1689         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1690         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1691         * graphite-dependences.h (enum poly_dependence_kind): New.
1692         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1693         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1694         (PDRP_SINK): Renamed PDDR_SINK.
1695         (PDRP_DDP): Renamed PDDR_DDP.
1696         (PDDR_KIND): New.
1697         (free_poly_ddr): Declared.
1698         * graphite-poly.c (new_scop): Use the new hash function names.
1699         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1700         into original_pddrs.
1701         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1702
1703 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1704
1705         * Merge from mainline (150764:150992).
1706
1707 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1708
1709         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1710         bounds with LT_EXPR to make niter analysis more precise on code
1711         generated by Graphite.
1712
1713 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1714
1715         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1716         (graphite_legal_transform_bb): Same.
1717         (poly_drs_may_alias_p): Same.
1718
1719 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         PR middle-end/40981
1722         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1723         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1724
1725 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * graphite-poly.c (print_pbb): Print PBB index.
1728
1729 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         * Merge from mainline (r150672:150764).
1732
1733 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * graphite-interchange.c (ppl_max_for_le): Moved...
1736         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1737         * graphite-ppl.c (ppl_max_for_le): ... here.
1738         * graphite-ppl.h (ppl_max_for_le): Declared.
1739
1740 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1741
1742         * Merge from mainline (r150372:150672).
1743
1744 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         PR middle-end/40980
1747         * sese.c (convert_for_phi_arg): New.
1748         (add_guard_exit_phis): Use convert_for_phi_arg.
1749
1750         * gfortran.dg/graphite/id-17.f: New.
1751
1752 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1753
1754         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1755         unknown subscript upper bounds.
1756
1757         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1758
1759 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1760             Pranav Garg  <pranav.garg2107@gmail.com>
1761
1762         * graphite-interchange.c (gather_access_strides): Removed.
1763         (ppl_max_for_le): New.
1764         (build_linearized_memory_access): New.
1765         (memory_stride_in_loop): New.
1766         (pbb_interchange_profitable_p): Reimplemented.
1767         * graphite-ppl.h (ppl_new_id_map): New.
1768         (ppl_interchange): New.
1769
1770         * gcc.dg/graphite/interchange-6.c: XFAILed.
1771
1772 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1773
1774         * graphite-interchange.c (compute_subscript): Removed.
1775         (compute_array_size_cstr): Removed.
1776         (compute_array_size_poly): Removed.
1777         (compute_array_size): Removed.
1778         (gather_access_strides_poly): Removed.
1779         (gather_access_strides): Empty.
1780
1781 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-dependences.c (dependence_polyhedron_1): Replace
1784         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1785         (graphite_legal_transform_dr): Same.
1786         (graphite_carried_dependence_level_k): Same.
1787         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1788         Initialize PDR_NB_SUBSCRIPTS.
1789         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1790         PDR_NB_SUBSCRIPTS.
1791         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1792         (PDR_NB_SUBSCRIPTS): New.
1793         (pdr_nb_subscripts): Removed.
1794         (pdr_dim): Simplified.
1795         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1796         with PDR_NB_SUBSCRIPTS.
1797
1798 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1799
1800         * graphite-interchange.c (compute_array_size): Remove use of
1801         PDR_DATA_CONTAINER.
1802         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1803         Do not initialize PDR_DATA_CONTAINER.
1804         (print_pdr): Do not print PDR_DATA_CONTAINER.
1805         * graphite-poly.h (struct poly_dr): Remove data_container field.
1806         (PDR_DATA_CONTAINER): Removed.
1807         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1808         PDR_DATA_CONTAINER.
1809         (build_poly_dr): Same.
1810
1811 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * gcc.dg/graphite/interchange-9.c: New.
1814
1815 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1816             Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1819         copy of the dependence polyhedron.  Free the temporary objects.
1820         (graphite_carried_dependence_level_k): Free unused objects before
1821         returning.
1822
1823         * gcc.dg/graphite/interchange-1.c: XFAILed.
1824         * gcc.dg/graphite/interchange-2.c: XFAILed.
1825         * gcc.dg/graphite/interchange-3.c: XFAILed.
1826         * gcc.dg/graphite/interchange-4.c: XFAILed.
1827         * gcc.dg/graphite/interchange-7.c: XFAILed.
1828
1829 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1830
1831         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1832         Early return without analyzing the data dependences if no
1833         transform has been done.  Call restore_scattering if the transform
1834         is not legal.
1835         (graphite-interchange.c): Same.
1836         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1837         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1838         (apply_poly_transforms): Do not gcc_assert that
1839         the transform is legal.
1840         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1841         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1842         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1843         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1844         * graphite-poly.h (struct poly_scattering): New.
1845         (struct poly_bb): Add original, transformed, and saved fields.
1846         Remove transformed_scattering, original_scattering, nb_local_variables,
1847         and nb_scattering_transform fields.
1848         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1849         (poly_scattering_new): New.
1850         (poly_scattering_free): New.
1851         (poly_scattering_copy): New.
1852         (store_scattering_pbb): New.
1853         (store_scattering): New.
1854         (restore_scattering_pbb): New.
1855         (restore_scattering): New.
1856         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1857         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1858
1859 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1862         (print_scop): Same.
1863
1864 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * Makefile.in (graphite.o): Depends on PREDICT_H.
1867         * graphite.c: Include predict.h.
1868         (graphite_finalize): Call tree_estimate_probability.
1869         * predict.c (predict_loops): Do not call scev_initialize and
1870         scev_finalize.
1871         (tree_estimate_probability_bb): New.
1872         (tree_estimate_probability): Do not initialize loops: move that
1873         code to the driver.  Call tree_estimate_probability_bb.
1874         (tree_estimate_probability_driver): New.
1875         (pass_profile): Use tree_estimate_probability_driver.
1876         * predict.h (tree_estimate_probability): Declared.
1877
1878 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1879
1880         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1881         * graphite-dependences.c (graphite_legal_transform): Add time to
1882         TV_GRAPHITE_DATA_DEPS.
1883         (dependency_between_pbbs_p): Same.
1884         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1885
1886 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         * Merge from mainline (r149952:150372).
1889
1890 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1893         * graphite-blocking.c: Same.
1894         * graphite-clast-to-gimple.c: Same.
1895         * graphite-dependences.c: Same.
1896         * graphite-poly.c: Same.
1897         * graphite-poly.h: Same.
1898         * graphite-ppl.c: Same.
1899         * graphite-scop-detection.c: Same.
1900         * graphite-sese-to-poly.c: Same.
1901         * graphite.c: Same.
1902
1903 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1906         (remove_simple_copy_phi): New.
1907         (remove_invariant_phi): New.
1908         (simple_copy_phi_p): New.
1909         (reduction_phi_p): New.
1910         (gsi_for_ssa_name_def): New.
1911         (insert_out_of_ssa_copy): New.
1912         (insert_out_of_ssa_copy_on_edge): New.
1913         (create_zero_dim_array): New.
1914         (scalar_close_phi_node_p): New.
1915         (rewrite_close_phi_out_of_ssa): New.
1916         (rewrite_phi_out_of_ssa): New.
1917         (rewrite_reductions_out_of_ssa): New.
1918         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1919
1920         * gcc.dg/graphite/id-11.c: New.
1921         * gcc.dg/graphite/id-15.c: New.
1922         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1923         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1924         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1925         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1926         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1927         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1928         * gfortran.dg/graphite/id-13.f: New.
1929         * gfortran.dg/graphite/id-5.f: New.
1930
1931 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1934         check that nb_reductions_in_loop is zero.
1935         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1936         reduction phi nodes.
1937         (nb_reductions_in_loop): Removed.
1938         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1939         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1940         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1941         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1942         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1943
1944 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1947         statements that have an empty iteration domain.
1948         * gfortran.dg/graphite/id-16.f: New.
1949
1950 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1951
1952         * tree-scalar-evolution.c (instantiate_scev_1): Return
1953         chrec_dont_know when the result is not above instantiate_below.
1954         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1955         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1956         the tree has a known scalar evolution.
1957         * gfortran.dg/graphite/id-14.f: New.
1958         * gfortran.dg/graphite/id-15.f: New.
1959
1960 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1963         insert_gsi.
1964         (rename_variables): Keep inserting renames after the ones already
1965         inserted.
1966
1967 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1968
1969         * graphite-sese-to-poly.c (compare_bb_depths): New.
1970         (graphite_sort_dominated_info): New.
1971         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1972         (build_scop_scattering): Fix comment.
1973
1974 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * graphite.c (graphite_finalize): Call print_loops instead of
1977         dump_function_to_file.
1978         * gcc.dg/graphite/graphite.exp: Fix formatting.
1979         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1980         loops generated in the graphite output file.
1981         * gcc.dg/graphite/pr35356-2.c: New.
1982         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1983         * gfortran.dg/graphite/id-12.f: New.
1984
1985 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1986
1987         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1988         Remove 2 XFAIL.
1989
1990 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1991             Tobias Grosser  <grosser@fim.uni-passau.de>
1992
1993         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1994         alias set number build alias in ACCESSES polyhedron.
1995         (build_alias_set_for_drs): New.
1996         (build_pbb_drs): Added build_alias_set_for_drs.
1997         * graphite-dependences.c (poly_drs_may_alias_p): New.
1998         (graphite_carried_dependence_level_k): Check alias information
1999         before building polyhedron.
2000
2001 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2002
2003         * Makefile.in (lambda-code.o): Fix formatting.
2004
2005 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2006
2007         * Merge from mainline (r149350-149952)
2008
2009 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2010
2011         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2012         before interchange to prepare for loop blocking.
2013
2014 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2015
2016         * graphite-poly.c (apply_poly_transforms): Add checks after every
2017         transformation.
2018         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2019         done in apply_poly_transforms.
2020
2021 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2022
2023         * graphite-dependences.c (build_lexicographically_gt_constraint):
2024         Replace RES parameter with *RES.
2025         (dependence_polyhedron_1): Pass an address of the parameter RES
2026         instead of value of RES.
2027
2028 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * graphite.c (graphite_finalize): Fix comment.
2031         (graphite_transform_loops): Reset scev info after code generation
2032         of each scop.
2033
2034 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2035
2036         * graphite.c (graphite_finalize): Call scev_reset.
2037
2038 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2039
2040         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2041         GBB_CLOOG_IV_TYPES hash table twice.
2042         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2043         (add_condition_to_domain): Clear GMP values.
2044
2045 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * graphite-dependences.c: Fix formatting.
2048         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2049         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2050         * graphite-sese-to-poly.c: Fix formatting.
2051         * graphite.c (graphite_transform_loops): Create the hash table
2052         after the early return.
2053
2054 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2055
2056         * gcc.dg/graphite/id-14.c: New.
2057         * gcc.dg/graphite/pr40157.c: New.
2058         * gfortran.dg/graphite/id-11.f: New.
2059
2060 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2061
2062         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2063         (build_poly_scop): Return false when there are no pbbs within
2064         loops to avoid to pass to cloog scops with no loops.
2065
2066 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2067
2068         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2069         useless test "i % 2".
2070         (build_pbb_scattering_polyhedrons): Fix formatting.
2071         (build_poly_dr): Same.
2072         * graphite.c (graphite_transform_loops): Restructure.
2073
2074 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2075
2076         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2077         reduction_list parameter.
2078         (rewrite_all_phi_nodes_with_iv): Same.
2079         (canonicalize_loop_ivs): Same.
2080         * tree-parloops.c (struct brli): Removed.
2081         (build_reduction_list_info): Removed.
2082         (build_new_reduction): New.
2083         (analyze_reduction_list): Removed.
2084         (gather_scalar_reductions): Find reductions instead of phi
2085         nodes that can't be canonicalized.
2086         (try_create_reduction_list): Remove reduction_list parameter.
2087         (gen_parallel_loop): Same.
2088         (parallelize_loops): Remove analyze_reductions variable,
2089         initialization and free.
2090         Change reduction_list htab initialization to reduction_info
2091         elements instead of ssa names.
2092         Call try_create_reduction_list and gen_parallel_loop without
2093         analyzed_reduction argument.
2094         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2095         canonicalize_loop_ivs with one less argument.
2096         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2097
2098 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2099
2100         * graphite-dependences.c (new_poly_dr_pair): New.
2101         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2102         (new_poly_dr_pair): New.
2103         (eq_poly_dr_pair_p): New.
2104         (hash_poly_dr_pair_p): New.
2105         * graphite-dependences.h (struct poly_dr_pair): New.
2106         (eq_poly_dr_pair_p): Declared.
2107         (hash_poly_dr_pair_p): Declared.
2108         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2109         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2110         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2111         * Makefile.in (graphite-poly.o): Add dependence on
2112         graphite-dependences.h.
2113
2114 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2117         polynomials of degree > 1 pass to Graphite.
2118         * tree-chrec.c (scev_is_linear_expression): Call
2119         evolution_function_is_affine_multivariate_p.
2120         * gfortran.dg/graphite/id-10.f90: New.
2121
2122 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2125         Instantiate scevs varying in outer loops.
2126         * gfortran.dg/graphite/id-9.f: Correct testcase.
2127
2128 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2131         redundant constraint.
2132
2133 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * gcc.dg/graphite/graphite.exp: Fix comments.
2136         * gfortran.dg/graphite/graphite.exp: Trigger actions
2137         based on the file names as in the C testsuite.
2138         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2139         * gfortran.dg/graphite/block-2.f: Same.
2140         * gfortran.dg/graphite/block-3.f90: Same.
2141         * gfortran.dg/graphite/block-4.f90: Same.
2142         * gfortran.dg/graphite/id-1.f90: Same.
2143         * gfortran.dg/graphite/id-2.f90: Same.
2144         * gfortran.dg/graphite/id-3.f90: Same.
2145         * gfortran.dg/graphite/id-4.f90: Same.
2146         * gfortran.dg/graphite/id-6.f: Same.
2147         * gfortran.dg/graphite/id-9.f: Same.
2148         * gfortran.dg/graphite/interchange-1.f: Same.
2149         * gfortran.dg/graphite/interchange-2.f: Same.
2150         * gfortran.dg/graphite/scop-1.f: Same.
2151
2152 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * sese.c (expand_scalar_variables_call): New.
2155         (expand_scalar_variables_ssa_name): Handle calls in expander.
2156
2157 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2160         Expect to see the pattern twice.
2161         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2162         * gcc.dg/graphite/interchange-5.c: Same.
2163         * gcc.dg/graphite/interchange-6.c: Same.
2164
2165 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2166
2167         * gcc.dg/graphite/id-10.c: New.
2168         * gcc.dg/graphite/id-12.c: New.
2169         * gfortran.dg/graphite/id-7.f: New.
2170         * gfortran.dg/graphite/id-8.f: New.
2171
2172 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2175         zero.
2176
2177 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2180
2181 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2182
2183         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2184
2185 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2188         building PDR subscripts.
2189
2190 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2193         computation of array sizes.
2194
2195 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2196
2197         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2198
2199 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2200
2201         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2202         build_pairwise_constraint, dr_equality_constraints,
2203         build_pairwise_scheduling_equality,
2204         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2205         build_lexicographically_gt_constraint, dependence_polyhedron,
2206         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2207         Move from NNC_Polyhedron to C_Polyhedron.
2208         * graphite-interchange.c (compute_array_size_poly,
2209         gather_access_strides): Dito.
2210         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2211         free_scop, pbb_number_of_iterations): Dito.
2212         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2213         pbb_dim_iter_domain, struct scop): Dito.
2214         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2215         new_Cloog_Domain_from_ppl_Polyhedron,
2216         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2217         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2218         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2219         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2220         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2221         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2222         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2223         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2224         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2225         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2226         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2227         build_scop_iteration_domain, build_poly_dr): Dito
2228
2229 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2230
2231         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2232         run-id-*.c files.
2233         * gcc.dg/graphite/run-id-1.c: New.
2234
2235 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2238         positivity constraint on the symbolic number of iterations.
2239
2240 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2243
2244 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2245             Tobias Grosser  <grosser@fim.uni-passau.de>
2246
2247         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2248         (build_cloog_prog): Directly use SCOP_CONTEXT.
2249         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2250         (free_scop): Free SCOP_CONTEXT.
2251         (print_scop_context): New.
2252         (print_scop): Call print_scop_context.
2253         (debug_scop_context): New.
2254         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2255         (struct scop): Added field context.
2256         (SCOP_CONTEXT): New.
2257         * graphite-sese-to-poly.c (add_param_constraints): New.
2258         (build_scop_context): New.
2259         (build_poly_scop): Call build_scop_context.
2260
2261 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2264         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2265         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2266         * graphite-ppl.h: Include double-int.h and tree.h.
2267         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2268         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2269         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2270         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2271
2272 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2275         POINTER_PLUS_EXPR for pointer types.
2276         (clast_to_gcc_expression): Same.
2277
2278 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2279
2280         * graphite-poly.c (print_scattering_function): Early return when
2281         PBB_TRANSFORMED_SCATTERING is not initialized.
2282         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2283
2284 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2285
2286         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2287         to fix bootstrap.
2288
2289 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2290
2291         * tree-parloops.c (analyze_reduction_list): Change return
2292         value to void.
2293         (try_create_reduction_list): Move the call to
2294         analyze_reduction_list to the beginining.
2295         Call reduction_phi with analyzed_reductions as argument
2296         instead of reduction_list.
2297
2298 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2299
2300         *  Merge from mainline (r148296:149346)
2301
2302 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2303
2304         * graphite-scop-detection.c (graphite_can_represent_init): New.
2305         (graphite_can_represent_scev): Call graphite_can_represent_init:
2306         check that the initial value does not contain multiplications of
2307         parameters.
2308         (stmt_has_simple_data_refs_p): New.
2309         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2310         (is_simple_operand): Fix formatting.
2311         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2312
2313 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2314
2315         * gcc.dg/graphite/id-13.c: New.
2316         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2317         analyze_scalar_evolution, use scalar_evolution_in_region.
2318         (scan_tree_for_params_right_scev): Add extra assert.
2319         (parameter_index_in_region_1): Split from parameter_index_in_region.
2320         (idx_record_params): Use scalar_evolution_in_region.
2321         (find_params_in_bb): Same.
2322         (find_scop_parameters): Same.
2323         (build_loop_iteration_domains): Same.
2324         (create_linear_expr_from_tree): Same.
2325         * sese.c (scalar_evolution_in_region): New.
2326         * sese.h (scalar_evolution_in_region): Declared.
2327         (defined_in_sese_p): New.
2328         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2329         static anymore.
2330         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2331         Declared.
2332
2333 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2334
2335         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2336         TREE_DATA_REF_H also implies SCEV_H.
2337
2338 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * graphite-poly.c (print_scop_params): New.
2341         (print_scop): Call print_scop_params.
2342         (debug_scop_params): New.
2343         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2344
2345 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2346
2347         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2348         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2349         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2350         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2351         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2352         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2353
2354 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2355
2356         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2357         for dependency checking part.
2358         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2359         tests for dependency checking.
2360         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2361         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2362         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2363         flag -fdump-tree-graphite-all for autopar testsuites.
2364
2365 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2368         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2369         canonicalize_loop_ivs): Moved...
2370         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2371
2372 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * tree-parloops.c (try_create_reduction_list): Pass an extra
2375         argument analyzed_reductions.  Call analyze_reduction_list.
2376         (gen_parallel_loop): Do not call analyze_reduction_list.
2377         (parallelize_loops): Init and finalize analyzed_reductions.
2378
2379 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2380
2381         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2382         Added flag -fno-loop-strip-mine for autopar testcase.
2383
2384 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2385
2386         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2387         transformed scattering dimension instead of unmatch orignal when
2388         calling dependence_polyhedron.
2389
2390 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2393
2394 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2397         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2398
2399 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2402         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2403         * graphite-poly.c (pbb_number_of_iterations): New.
2404         * graphite-poly.h (pbb_number_of_iterations): Declared.
2405         (pbb_iterator_dim, pbb_parameter_dim): New.
2406
2407 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2410         last commit on type of lower and upper bound of loops.
2411
2412 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2413
2414         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2415         graphite-dependences.h.
2416         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2417         (mark_bb_with_pbb): New.
2418         (get_stmtfor_depth): New.
2419         (find_pbb_via_hash): New.
2420         (dependency_in_loop_p): New.
2421         (mark_loops_parallel): New.
2422         (free_aux_in_new_loops): New.
2423         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2424         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2425         innermost loop parallel without checking.
2426         (gloog): Add parameter BB_PBB_MAPPING.
2427         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2428         (gloog): Change declaration.
2429         (mark_loop_parallel): Make extern.
2430         (free_aux_in_new_loops): Declare.
2431         (bb_pbb_map_hash): New.
2432         (eq_bb_pbb_map): New.
2433         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2434         auto parallelization when flag_graphite_force_parallel is set.
2435         (graphite_finalize): Added free_aux_in_new_loops.
2436         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2437         the innermost loop that marked parallel.  Use
2438         flag_graphite_force_parallel instead of loop->can_be_parallel.
2439         (loop_parallel_p): Move inner most checking out of function.
2440
2441 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2444         type of lower and upper bound of loops signed long int.
2445
2446 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2449         expression outside the loop.
2450
2451 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * gcc.dg/graphite/interchange-8.c: New.
2454
2455 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * gcc.dg/graphite/interchange-0.c: XFailed.
2458         * gcc.dg/graphite/interchange-5.c: XFailed.
2459         * gcc.dg/graphite/interchange-6.c: XFailed.
2460
2461 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * graphite-interchange.c (compute_array_size_poly): The end of the
2464         recursion should return 1.
2465
2466 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         * graphite-interchange.c (compute_array_size_cstr): Allow the
2469         subscript multiplier to be -1.
2470         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2471         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2472         data_container.  Initializes PDR_DATA_CONTAINER.
2473         (print_pdr_access_layout): New.
2474         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2475         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2476         data_container.
2477         (PDR_DATA_CONTAINER): New.
2478         (new_poly_dr): Update declaration.
2479         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2480         (build_poly_dr): Call pdr_add_data_dimensions.
2481
2482 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * graphite-poly.h (struct poly_dr): Fix comment.
2485         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2486         (pdr_add_memory_accesses): New.
2487         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2488
2489 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2492         (print_pbb): Add call to print_pdrs.
2493         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2494
2495 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2496             Li Feng <nemokingdom@gmail.com>
2497
2498         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2499         (dependency_between_pbbs_p): New.
2500         (lexicographically_gt_p): Assure !empty_p before polyhedron
2501         intersection assign.
2502         (build_lexicographically_gt_constraint): Correct lexicographically
2503         judging.
2504         * graphite-dependences.h: New.
2505         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2506
2507 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2510         (gloog): Print to dump_file the generated clast.
2511         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2512         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2513
2514 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         * graphite-poly.c (extend_scattering): Increment
2517         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2518
2519 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite-interchange.c (compute_array_size_poly): Added exit of
2522         recursion condition.  Continue iterating even after the first equality.
2523         (compute_array_size): Same.
2524
2525 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2526
2527         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2528         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2529         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2530         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2531         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2532
2533 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2534
2535         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2536         only when the use verifies is_gimple_reg.
2537
2538 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2541         Allocate scaldims after call to unify_scattering_dimensions.
2542
2543 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2544
2545         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2546
2547 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2548             Albert Cohen  <albert.cohen@inria.fr>
2549
2550         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2551         variables for the strip mining.
2552
2553 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2554             Pranav Garg  <pranav.garg2107@gmail.com>
2555
2556         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2557         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2558         (graphite-blocking.o): New rule.
2559         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2560         * graphite-blocking.c: New.
2561         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2562         flag_loop_strip_mine.
2563         (psct_scattering_dim_for_loop_depth): New.
2564         * graphite-poly.h (scop_do_strip_mine): Declared.
2565         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2566         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2567         flag_loop_strip_mine.
2568
2569 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2572         a GMP value and a PPL coefficient at each iteration of a loop.
2573
2574 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * graphite-dependences.c (dependence_polyhedron): Do not use
2577         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2578         pbb_nb_scattering_transform.
2579         (graphite_legal_transform_dr): Same.
2580         * graphite-poly.c (extend_scattering): Same.
2581         (unify_scattering_dimensions): Same.
2582         (print_scattering_function): Same.
2583         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2584         PBB_NB_LOCAL_VARIABLES.
2585         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2586         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2587         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2588         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2589         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2590         (pbb_nb_scattering_transform): New.
2591         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2592         (psco_scattering_dim): Add assert on parameters.
2593         (psct_scattering_dim): Same.
2594         (psct_scattering_dim_for_loop_depth): Declared.
2595         (psct_local_var_dim): New.
2596         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2597         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2598         correct layout, call pbb_nb_local_vars.
2599         (psct_add_local_variable, psct_add_scattering_dimension): New.
2600         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2601         Initialize PBB_NB_SCATTERING_TRANSFORM.
2602
2603 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2604
2605         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2606         (set_coef): Renamed ppl_set_coef.
2607         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2608
2609 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2610
2611         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2612         test a boolean against 1.
2613         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2614         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2615         (pbb_do_interchange): Returns true when a transform has been performed.
2616         (scop_do_interchange): Same.
2617         * graphite-poly.c (apply_poly_transforms): Use the return value of
2618         scop_do_interchange.
2619         * graphite-poly.h (scop_do_interchange): Update declaration.
2620
2621 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2622
2623         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2624         after last use.
2625         * sese.c (sese_reset_aux_in_loops): New.
2626         * sese.h (sese_reset_aux_in_loops): New.
2627
2628 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2631         multiplier and multiply the constant by the multiplier.
2632         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2633         (build_poly_dr): Do not use the multiplier to define the subscript.
2634
2635 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2638         compiler's data reference.  Initialize PDR_CDR.
2639         (print_pdr): Call dump_data_reference.
2640         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2641         Add compiler_dr field.
2642         (PDR_BB): Renamed PDR_PBB.
2643         (PDR_CDR): New.
2644         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2645         GCC's data reference representation.
2646         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2647         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2648
2649 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * graphite-poly.c (print_scattering_function): Also print the layout.
2652         * graphite-poly.h (pbb_nb_local_vars): New.
2653
2654 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2655
2656         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2657
2658 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * graphite-poly.c (print_pdr, debug_pdr): New.
2661         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2662         (PDR_BASE): Removed.
2663
2664 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2665
2666         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2667         ltrans-{1..6,8}.c.
2668
2669 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2670
2671         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2672         subscript identification column.
2673         (pbb_do_interchange): Print to dump_file that some loops "will be
2674         interchanged".  Rely on that chain of characters in the testcases.
2675         * gcc.dg/graphite/interchange-0.c: New.
2676         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2677         interchange-*.c files and compile them with -floop-interchange.
2678
2679 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2680
2681         * graphite-interchange.c (interchange_profitable_p): Renamed
2682         pbb_interchange_profitable_p.
2683
2684 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2685             Harsha Jagasia  <harsha.jagasia@amd.com>
2686             Pranav Garg  <pranav.garg2107@gmail.com>
2687
2688         * graphite-interchange.c (interchange_profitable_p): Make static.
2689         (pbb_interchange_loop_depths, pbb_do_interchange,
2690         scop_do_interchange): New.
2691         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2692         for flag_loop_interchange.
2693         * graphite-poly.h (scop_do_interchange): Declared.
2694         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2695         flag_loop_interchange is used.
2696
2697 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * graphite-dependences.c (dependence_polyhedron): Update use of
2700         pbb_nb_scattering_dims.
2701         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2702         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2703         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2704         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2705
2706 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite.c: Cleanup foo.
2709
2710 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2711
2712         * Merge from mainline (r143684:148293).
2713         * Disabled libpcp until it gets fixed.
2714
2715 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2716             Harsha Jagasia  <harsha.jagasia@amd.com>
2717
2718         * graphite-interchange.c: New.
2719         * Makefile.in (graphite-interchange.o): New.
2720         * graphite-poly.h (interchange_profitable_p): Declared.
2721         * graphite-ppl.h (value_max): New.
2722
2723 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2726         * graphite-poly.h: Fix some comments.
2727         (pdr_dim): New.
2728         (pdr_scop): New.
2729
2730 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-poly.h
2733         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2734         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2735         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2736         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2737         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2738         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2739         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2740         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2741         * graphite-clast-to-gimple.c: Same.
2742         * graphite-dependences.c: Same.
2743         * graphite-poly.c: Same.
2744         * graphite-sese-to-poly.c: Same.
2745
2746 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2749         expressions for an IV rename, as returned by clast_to_gcc_expression.
2750         (copy_renames): Rename new_name to expr.
2751         * sese.c (debug_rename_elt): Same.
2752         (get_rename): Same.
2753         (set_rename): Same.
2754         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2755         the information from the rename map.
2756         (rename_variables_in_stmt): Same.
2757         (add_loop_exit_phis): Rename new_name to expr.
2758         (insert_loop_close_phis): Same.
2759         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2760         * sese.h (struct rename_map_elt): Rename new_name to expr.
2761         (new_rename_map_elt): Same.
2762
2763 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2764
2765         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2766         * sese.c (set_rename): Make it extern.
2767         * sese.h (set_rename): Declared.
2768
2769 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2770
2771         * graphite-poly.c (extend_scattering): Free values.
2772         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2773         Free iterators.
2774         (ppl_print_powerset_matrix): Same.
2775         * graphite-scop-detection.c (free_scops_1): New.
2776         (limit_scops): Call free_scops_1.
2777         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2778         (build_poly_dr): Free PPL coefficients.
2779         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2780
2781 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2782
2783         * graphite-dependences.c: New.
2784         * graphite-data-ref.c: Removed.
2785         * graphite-data-ref.h: Removed.
2786         * Makefile.in (graphite-data-ref.o): Removed.
2787         (graphite-dependences.o): Added.
2788         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2789         * graphite-poly.c: Same.
2790         Move the data dependence testing to graphite-dependences.c.
2791
2792 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2793
2794         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2795         from graphite_cannot_represent_loop. Code refactored.
2796         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2797
2798 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2799
2800         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2801         Cover all the testcases (not only the filtered ones).
2802
2803 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2804
2805         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2806         unnecessary check. Update comments. Move check for REAL_TYPE here.
2807         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2808         done in (stmt_simple_for_scop_p).
2809
2810 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2811
2812         * graphite.c (print_global_statistics): New.
2813         (print_graphite_scop_statistic): New.
2814         (print_graphite_statistics): New.
2815         (graphite_initialize, graphite_transform_loops): Print statistics.
2816         * graphite-scop-detection (build_scops): Print statistics.
2817         (print_graphite_scop_statistics): New.
2818         (print_graphite_statistics): New.
2819
2820 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2823         (debug_clast_name_index): Removed.
2824         (debug_clast_name_indexes_1): Removed.
2825         (debug_clast_name_indexes): Removed.
2826         (clast_name_index_elt_info): Removed.
2827         (eq_clast_name_indexes): Removed.
2828         (clast_name_to_index): Removed.
2829         (new_clast_name_index): Removed.
2830         (save_clast_name_index): Removed.
2831         (save_var_name): Moved...
2832         (init_sese_params_index): Removed.
2833         (clast_name_to_gcc): Remove use of name_tree.
2834         (initialize_cloog_names): Same.
2835         (gloog): Do not call init_sese_params_index.
2836         * graphite-sese-to-poly.c (save_var_name): ...here.
2837         (parameter_index_in_region): New.
2838         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2839         (parameter_index_in_region): Removed.
2840         (is_parameter): Remove use of name_tree.
2841         * sese.h (struct name_tree): Removed.
2842         (struct sese): Remove use of name_tree.  New field params_names.
2843         (SESE_PARAMS_NAMES): New.
2844         (SESE_PARAMS): Remove duplicate.
2845         (parameter_index_in_region): Removed.
2846         (sese_nb_params): Remove use of name_tree.
2847         (struct clast_name_index): New.
2848         (new_clast_name_index): New.
2849         (clast_name_to_index): New.
2850         (save_clast_name_index): New.
2851         (debug_clast_name_index): New.
2852         (debug_clast_name_indexes_1): New.
2853         (debug_clast_name_indexes): New.
2854         (clast_name_index_elt_info): New.
2855         (eq_clast_name_indexes): New.
2856
2857 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2860         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2861         (graphite_loop_normal_form): Do not pass region.  Do not
2862         initialize SESE_OLDIVS.
2863         (build_graphite_loop_normal_form): Update call to
2864         graphite_loop_normal_form.
2865         * sese.c (debug_oldivs): Removed.
2866         (new_sese): Do not initialize SESE_OLDIVS.
2867         (free_sese): Do not free SESE_OLDIVS.
2868         (oldiv_for_loop): Removed.
2869         * sese.h (struct sese): Remove old_ivs.
2870         (SESE_OLDIVS): Removed.
2871         (oldiv_for_loop): Removed.
2872
2873 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2876         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2877         replaced by a call to newivs_to_depth_to_newiv.
2878         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2879         (clast_to_gcc_expression_red): Same.
2880         (gcc_type_for_clast_expr): Same.
2881         (gcc_type_for_clast_eq): Same.
2882         (graphite_translate_clast_equation): Same.
2883         (graphite_create_guard_cond_expr): Same.
2884         (graphite_create_new_guard): Same.
2885         (graphite_create_new_loop): Same.
2886         (build_iv_mapping): Same.
2887         (translate_clast): Same.
2888         (gloog): Same.
2889         (loop_iv_stack_patch_for_consts): Removed.  *
2890         sese.c (iv_stack_entry_is_constant): Removed.
2891         (iv_stack_entry_is_iv): Removed.
2892         (loop_iv_stack_push_iv): Removed.
2893         (loop_iv_stack_insert_constant): Removed.
2894         (loop_iv_stack_pop): Removed.
2895         (loop_iv_stack_get_iv): Removed.
2896         (loop_iv_stack_get_iv_from_name): Removed.
2897         (debug_loop_iv_stack): Removed.
2898         (free_loop_iv_stack): Removed.
2899         (loop_iv_stack_remove_constants): Removed.  *
2900         sese.h (iv_stack_entry_kind): Removed.
2901         (iv_stack_entry_data_union): Removed.
2902         (iv_stack_entry_struct): Removed.
2903         (iv_stack_entry_p): Removed.
2904         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2905         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2906         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2907         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2908         (gbb_loop_at_index): Fix indenting.
2909         (gbb_loop_index): Removed.
2910
2911 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2914         Call clast_name_to_index.
2915
2916 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2917
2918         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2919         do not pass params.  Get params from SESE_PARAMS.
2920         (clast_to_gcc_expression): Same.
2921         (clast_to_gcc_expression_red): Same.
2922         (gcc_type_for_clast_eq): Same.
2923         (graphite_translate_clast_equation): Same.
2924         (graphite_create_new_loop): Same.
2925         * sese.c (rename_variables_in_stmt): Fix comment.
2926
2927 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2930         newivs_index.
2931         Call save_clast_name_index.
2932         (translate_clast): Pass newivs_index.
2933         (gloog): Create and free newivs_index.
2934
2935 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2936
2937         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2938         (clast_name_index_p): New type.
2939         (debug_clast_name_index): New.
2940         (debug_clast_name_indexes_1): New.
2941         (debug_clast_name_indexes): New.
2942         (clast_name_index_elt_info): New.
2943         (eq_clast_name_indexes): New.
2944         (clast_name_to_index): New.
2945         (new_clast_name_index): New.
2946         (save_clast_name_index): New.
2947         (init_sese_params_index): New.
2948         (gloog): Call init_sese_params_index.
2949         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2950         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2951         (free_sese): Free SESE_PARAMS_INDEX.
2952         * sese.h (struct sese): Add params_index.
2953         (SESE_PARAMS_INDEX): New.
2954
2955 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2958         (graphite_create_new_loop): Pass the newivs vector.  Push the
2959         newly created IV to newivs.
2960         (translate_clast): Pass the newivs vector.
2961         (gloog): Create and destroy the newivs vector.
2962
2963 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2964
2965         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2966         (graphite_loop_normal_form): Initialize loop->aux with the unique
2967         IV that has been created.
2968
2969 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2970
2971         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2972         scev with parameters in the base part. They where forbidden
2973         exidently.
2974
2975 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2976
2977         * gcc.dg/graphite/graphite.exp: Set different default
2978         compile options by file names.
2979         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2980         * gcc.dg/graphite/id-{1-9}.c: Ditto.
2981         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
2982         * gcc.dg/graphite/scop-matmult.c: Ditto.
2983
2984 2009-05-08  Li Feng <nemokingdom@gmail.com>
2985
2986         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2987         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2988         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2989         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2990
2991 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2992
2993         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2994         by final cleanup.
2995
2996 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2997
2998         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2999         allow integer constant strides.
3000         (graphite_can_represent_expr): Depend on outermost_loop.
3001         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3002         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3003         build_scops_1): Same.
3004         (scopdet_basic_block_info): Same and insert layered SCoP
3005         detection.
3006         (try_generate_gimple_bb): Cleanup.
3007         (build_scops): Enable data references.
3008
3009         * gcc.dg/graphite/id-5.c: New.
3010         * gcc.dg/graphite/id-9.c: New.
3011         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3012         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3013
3014 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3015
3016         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3017         that we have not yet built for this SCoP.
3018
3019 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3020
3021         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3022         for complex numbers.
3023
3024 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3025
3026         * graphite-ppl.c: Fix build if cloog is not available.
3027
3028 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3029
3030         * tree-parloops.c (loop_parallel_p): Remove construction of
3031         NITER and REDUCTION_LIST.
3032         (try_get_loop_niter): New.
3033         (try_create_reduction_list): New.
3034         (parallelize_loops): Bypass the failed checkings in autopar
3035         when can_be_parallel in loop structure is set to true.
3036
3037 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3038
3039         * gcc.dg/graphite/id-6.c: Update testcase.
3040         * gcc.dg/graphite/scop-3.c: Dito.
3041
3042 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3043
3044         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3045         Enable EQ_EXPR and NE_EXPR again.
3046
3047 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3048
3049         * graphite-scop-detection.c (graphite_can_represent_scev):
3050         Add check if scev is affine multivariate.
3051         (harmful_stmt_in_bb): Check if we can represent the conditions.
3052         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3053         harmful_stmt_in_bb.
3054         * gcc.dg/graphite/id-7.c: New.
3055
3056 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3057
3058         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3059         Check all bbs in region, not only the bbs that are represented in
3060         GRAPHITE.
3061         (build_poly_scop): Add newline.
3062         * gcc.dg/graphite/id-8.c: New.
3063
3064 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3065
3066         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3067         when loop initialize.
3068         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3069         * common.opt: Declare flag_graphite_force_parallel.
3070         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3071         loop parallel.
3072         * graphite-poly.c (apply_poly_transforms): Introduce
3073         flag_graphite_force_parallel.
3074         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3075         * toplev.c (process_options): ditto and replace a not correctly
3076         encoded space.
3077
3078 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3079
3080         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3081         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3082         to the redefinition.
3083         (compute_cloog_iv_types_1): ditto.
3084         (build_iv_mapping): ditto.
3085         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3086         initialization.
3087         (free_gimple_bb): Removed GBB_LOOPS related free part.
3088         (build_bb_loops): Removed.
3089         * sese.h (struct gimple_bb): Removed loops.
3090         (GBB_LOOPS): Removed.
3091         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3092         (gbb_loop_index): ditto.
3093
3094 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3095
3096         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3097         allow non constant strides.
3098         * gcc.dg/graphite/scop-20.c: New.
3099
3100 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3101
3102         * graphite-scop-detection.c (dot_all_scops): Fix system call
3103         return value warning.
3104         (dot_scop): Same.
3105
3106 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3107
3108         * gcc.dg/graphite/id-6.c: Fix pattern.
3109         * gcc.dg/graphite/scop-3.c: Same.
3110
3111 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3114         build_pairwise_constraint, dr_equality_constraints,
3115         build_pairwise_scheduling_equality,
3116         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3117         build_lexicographically_gt_constraint, dependence_polyhedron,
3118         graphite_legal_transform_dr, graphite_legal_transform_bb,
3119         graphite_legal_transform): New.
3120         * graphite-poly.h (graphite_legal_transform): Declared.
3121         * graphite-sese-to-poly.c (build_poly_scop): Call to
3122         graphite_legal_transform is disabled for the moment.
3123
3124 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * graphite-poly.h (pbb_nb_scattering_dims): New.
3127         (pbb_nb_scattering): Use it.
3128
3129 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3130
3131         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3132         Pointset_Powerset version of ppl_insert_dimensions.
3133         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3134
3135 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3136
3137         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3138
3139 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         * graphite-poly.h: Fix comment.
3142
3143 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3144
3145         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3146
3147 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3148
3149         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3150         statements.
3151
3152 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3153
3154         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3155         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3156         conditions.
3157
3158 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3159
3160         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3161         handle EQ_EXPR and NE_EXPR.
3162
3163 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3164
3165         * graphite-poly.h (poly_dr): Fix comment.
3166
3167 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3168             Tobias Grosser  <grosser@fim.uni-passau.de>
3169
3170         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3171         with a zero dimension polyhedron.
3172         (find_scop_parameters): Move the call to scop_set_nb_params here.
3173         (build_loop_iteration_domains): Store in loop->aux the iteration
3174         domain polyhedron.
3175         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3176         by any loop in scop.
3177         (build_poly_scop): Do not call scop_set_nb_params.
3178
3179 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3180             Tobias Grosser  <grosser@fim.uni-passau.de>
3181
3182         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3183         add_condition_to_domain not GT_EXPR.
3184
3185 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3186
3187         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3188         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3189         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3190         upper_bound_assign to calculate unions.
3191         * gcc.dg/graphite/id-6.c: New.
3192
3193 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3194
3195         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3196         handle abnormal edges.
3197
3198 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3199
3200         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3201         (free_poly_bb): Also free poly_drs.
3202         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3203         (poly_dr): Polyhedron to Pointset_Powerset.
3204         (pdr_accessp_nb_subscripts): Same.
3205         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3206         poly_drs.
3207
3208 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3211         names into more meaningful names.
3212
3213 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3214
3215         * gfortran.dg/graphite/interchange-1.c: New.
3216         * gfortran.dg/graphite/interchange-2.c: New.
3217
3218 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3221         the reduction_list.
3222         * tree-parloops.c (rewrite_phi_with_iv): New.
3223         (rewrite_all_phi_nodes_with_iv): New.
3224         (canonicalize_loop_ivs): Call them.
3225
3226 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3229         graphite_find_data_references_in_stmt.
3230         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3231         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3232
3233 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3234
3235         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3236
3237 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3238
3239         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3240         instead of bb_in_region.
3241         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3242         (build_sese_conditions): Use flag_bb_in_sese.
3243         * sese.c (register_bb_in_sese): Removed.
3244         (new_sese): Remove initialization of SESE_REGION_BBS.
3245         (free_sese): Do not free SESE_REGION_BBS.
3246         * sese.h (struct sese): Remove field region_basic_blocks.
3247         (SESE_REGION_BBS): Removed.
3248         (bb_in_sese_p): Implement in function of bb_in_region.
3249
3250 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3253         loops.
3254
3255 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3256
3257         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3258         and EQ_EXPR.
3259         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3260         (add_condition_to_domain): New.
3261         (add_condition_to_pbb): New.
3262         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3263         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3264
3265 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3268         ppl_Pointset_Powerset.
3269         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3270         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3271         (pbb_nb_loops): Same.
3272         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3273         add_conditions_to_domain): Same.
3274         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3275         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3276         ppl_const_Polyhedron_t.
3277         (ppl_print_powerset_matrix): New.
3278         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3279         ppl_print_powerset_matrix): New.
3280         (ppl_print_polyhedron_matrix): Updated.
3281
3282 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3285
3286 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3287
3288         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3289         (print_iteration_domains, debug_iteration_domain,
3290         debug_iteration_domains): New.
3291         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3292         debug_iteration_domains): Declared.
3293         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3294         indenting.
3295
3296 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3297             Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite-poly.h (print_iteration_domain): New.
3300         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3301         (build_sese_conditions_1, build_sese_conditions_after,
3302         build_sese_conditions_before): New.
3303         (build_sese_conditions): Rewritten.
3304
3305 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3306             Tobias Grosser  <grosser@fim.uni-passau.de>
3307
3308         Cleanup of code generation liveouts.
3309         * graphite-clast-to-gimple.c (translate_clast): Use a single
3310         rename_map instead of one per translated statement.
3311         Do not use SESE_LIVEOUT_RENAMES.
3312         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3313         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3314         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3315         phi node of a reduction: when a loop contains a reduction used outside
3316         the loop, there should be a scalar close phi node on the exit block.
3317         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3318         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3319         (free_sese): Do not free them.
3320         (sese_build_liveouts_use): Do not use them.
3321         (sese_build_liveouts_bb): Same.
3322         (sese_build_liveouts): Same.
3323         (sese_insert_phis_for_liveouts): Same.
3324         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3325         (defined_in_loop_p): New.
3326         (alive_after_loop): New.
3327         (close_phi_not_yet_inserted_p): New.
3328         (struct alep, alep_p): New.
3329         (add_loop_exit_phis): Remove from the rename_map all the names defined
3330         in the code generated loop.
3331         (insert_loop_close_phis): Traverse the rename_map passed to it.
3332         Don't use SESE_LIVEOUT_RENAMES.
3333         (default_liveout_before_guard): Renamed default_before_guard.
3334         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3335         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3336         (register_sese_liveout_renames): Removed.
3337         (copy_bb_and_scalar_dependences): Do not call it.
3338         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3339         reduction_list.
3340         (SESE_LIVEOUT): Removed.
3341         (SESE_LIVEOUT_RENAMES): Removed.
3342         (SESE_REDUCTION_LIST): Removed.
3343         (sese_build_liveouts): Removed.
3344         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3345         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3346         (insert_guard_phis): Same.
3347         (rename_map_elt): Declare a VEC of them.
3348         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3349         trees not pointers to trees.
3350
3351         Rewrite in canonical close SSA form:
3352         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3353         (limit_scops): Close the scop after the block containing the close phi
3354         nodes.
3355         (canonicalize_loop_closed_ssa): New.
3356         (canonicalize_loop_closed_ssa_form): New.
3357         (build_scops): Call canonicalize_loop_closed_ssa_form.
3358
3359         * graphite-sese-to-poly.c: Fix typos.
3360
3361 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3364         Extended.
3365         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3366         (print_pbb): Add conditions.
3367
3368 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3369             Sebastian Pop  <sebastian.pop@amd.com>
3370
3371         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3372         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3373         (build_scop_bbs_1): New.
3374         (build_scop_bbs): Rewrite.
3375         * sese.h (bb_in_region): New.
3376
3377 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3378
3379         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3380         poly_drs vector.
3381         (print_scop): Style.
3382         * graphite-poly.h (poly_bb): Add drs vector.
3383         (PBB_DRS): Add accessor.
3384         * graphite-sese-to-poly.c (build_poly_dr): New.
3385         (build_pbb_drs, build_scop_drs): New.
3386         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3387
3388 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3389
3390         * tree-ssa-loop.c: Include forgotten toplev.h
3391
3392 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3393
3394         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3395         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3396         * gcc.dg/graphite/pr37928.c: Same
3397         * gcc.dg/graphite/pr38409.c: Same
3398         * gcc.dg/graphite/pr38498.c: Same
3399         * gcc.dg/graphite/pr38559.c: Same
3400         * gcc.dg/graphite/pr39335.c: Same
3401         * gcc.dg/graphite/pr39335_1.c: Same
3402         * gfortran.dg/graphite/block-2.f: Same
3403         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3404         with -floop-*.
3405
3406 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3407
3408         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3409         build_access_matrix, build_scop_data_accesses): Remove access function
3410         building. (We get a new version soon).
3411         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3412         * sese.h (nb_loops_around_loop_in_sese): Remove.
3413         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3414
3415 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3416             Sebastian Pop  <sebastian.pop@amd.com>
3417
3418         * graphite-scop-detection.c (struct scopdet_info): Rename last
3419         field to exit.
3420         (scopdet_basic_block_info, build_scops_1): Don't use
3421         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3422
3423 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3424             Sebastian Pop  <sebastian.pop@amd.com>
3425
3426         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3427         * sese.c (sese_build_liveouts_use): Renamed from
3428         sese_build_livein_liveouts_use. Remove liveins.
3429         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3430         Call sese_build_liveouts_use.
3431         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3432         Call sese_build_liveouts_bb.
3433         (new_sese, free_sese): Remove liveins.
3434         (sese_add_exit_phis_var): Deleted.
3435         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3436         directly.
3437         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3438
3439         * sese.h (sese): Remove num_ver and livein.
3440         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3441
3442 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3443
3444         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3445
3446 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3447
3448         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3449         (build_scop_scattering): Do not use compare_prefix_loops any more.
3450         (nb_common_loops): New.
3451
3452 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3455         (register_old_and_new_names): Renamed set_rename.
3456
3457 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3458
3459         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3460         of the decl from the previous commit.
3461
3462 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3463
3464         * graphite-scop-detection.c (dot_scop): New.
3465         * graphite-scop-detection.h (dot_scop): Declared.
3466
3467 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3468
3469         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3470
3471 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3474         condition at the end of the loop.
3475         * graphite.c (graphite_initialize, graphite_finalize): Print to
3476         dump_file the compiled function.
3477         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3478         of create_empty_loop_on_edge.
3479         (translate_clast): Update the code generation of loops for the new
3480         shape of loops.
3481         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3482
3483 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         Reverted the patch from 2009-03-19.
3486
3487 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3488
3489         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3490         poly_drs vector.
3491         (print_scop): Style.
3492         * graphite-poly.h (poly_bb): Add drs vector.
3493         (PBB_DRS): Add accessor.
3494         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3495         (build_access_matrix_with_af, build_access_matrix,
3496         build_scop_data_accesses): Delete.
3497         (build_poly_dr): New.
3498         (build_pbb_drs, build_scop_drs): New.
3499         (build_poly_scop): call build_scop_drs.
3500
3501 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3504         once per basic block.
3505
3506 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3507
3508         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3509         (graphite_can_represent_expr): Renamed from loop_affine_expr
3510         and enhanced.
3511         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3512         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3513         (scopdet_basic_block_info): Actually define entry_block.
3514         (stmt_simple_memref_p): Moved here from ...
3515
3516         * tree-data-ref.c (stmt_simple_memref_p): here.
3517         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3518
3519 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3520
3521         * gcc.dg/graphite/id-4.c: New.
3522
3523 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3524
3525         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3526         (register_old_and_new_names): Update the content of the map.
3527         When there was already a rename_map_elt in the map at that
3528         location, free it.
3529         (copy_bb_and_scalar_dependences): Do rename_variables after
3530         expand_scalar_variables.
3531         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3532         of the map.  When there was already a rename_map_elt in the
3533         map at that location, free it.
3534         (translate_clast): Pass the rename_map.  Do not initialize and free
3535         a rename_map per stmt_user.
3536         (gloog): Initialize and free one rename_map and pass it to
3537         translate_clast.
3538
3539 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3540
3541         * sese.c (expand_scalar_variables_stmt,
3542         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3543         parameter.
3544         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3545         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3546         the gimple_stmt_iterator of the statement to be expanded.
3547         * graphite-scop-detection.c (is_simple_operand): Do handle
3548         REALPART_EXPR.
3549
3550 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3551
3552         * graphite-scop-detection.c (is_simple_operand): Do not handle
3553         REALPART_EXPR.
3554         * gcc.dg/graphite/id-2.c: New.
3555
3556         * graphite-sese-to-poly.c (build_bb_loops,
3557         add_value_to_dim, scan_tree_for_params_right_scev,
3558         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3559         find_params_in_bb, build_loop_iteration_domains,
3560         add_conditions_to_domain): Remove subtract.
3561
3562 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3563
3564         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3565         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3566         pbb_loop_at_index -> gbb_loop_at_index.
3567         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3568         (debug_loop_vec): Delete.
3569         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3570         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3571         (PBB_LOOPS): Removed.
3572         (PBB_BLACK_BOX): Insert cast.
3573         (pbb_set_black_box): New setter.
3574         (pbb_loop_at_index, pbb_loop_index): Removed.
3575         (scop_set_region, scop_set_nb_params): New.
3576         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3577         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3578         (build_poly_scop): Use scop_set_nb_params.
3579         * sese.h (gimple_bb): Add LOOPS.
3580         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3581
3582 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3583
3584         Revert previous commit.
3585
3586 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3587
3588         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3589         (register_old_and_new_names): Update the content of the map.
3590         When there was already a rename_map_elt in the map at that
3591         location, free it.
3592         (copy_bb_and_scalar_dependences): Do rename_variables after
3593         expand_scalar_variables.
3594         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3595         of the map.  When there was already a rename_map_elt in the
3596         map at that location, free it.
3597         (translate_clast): Pass the rename_map.  Do not initialize and free
3598         a rename_map per stmt_user.
3599         (gloog): Initialize and free one rename_map and pass it to
3600         translate_clast.
3601
3602 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3603
3604         Remove forgotten line in revert.
3605
3606 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3607
3608         Revert previous commit.
3609
3610 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3611
3612         * sese.c (register_old_and_new_names): Update the content
3613         of the map.  When there was already a rename_map_elt in the
3614         map at that location, free it.
3615         (copy_bb_and_scalar_dependences): Do rename_variables after
3616         expand_scalar_variables.
3617         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3618         of the map.  When there was already a rename_map_elt in the
3619         map at that location, free it.
3620         (translate_clast): Pass the rename_map.  Do not initialize and free
3621         a rename_map per stmt_user.
3622         (gloog): Initialize and free one rename_map and pass it to
3623         translate_clast.
3624
3625 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3626
3627         * graphite-clast-to-gimple.c (translate_clast): context_loop
3628         is never NULL.
3629
3630 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3631             Sebastian Pop  <sebastian.pop@amd.com>
3632
3633         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3634         of the use of ppl_Polyhedron_map_space_dimensions.
3635
3636 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3637             Sebastian Pop  <sebastian.pop@amd.com>
3638
3639         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3640         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3641         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3642         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3643         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3644         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3645         pbb_nb_params): New.
3646         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3647         nb_loops_around_pbb): Adapt return types.
3648
3649 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3650
3651         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3652         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3653         graphite-scop-detection.o, graphite-poly.o): Add
3654         more headers.
3655
3656 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3657
3658         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3659         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3660         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3661
3662 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3663
3664         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3665         * gcc.dg/graphite/pr37828.c: Same.
3666         * gcc.dg/graphite/pr37684.c: Same.
3667         * gcc.dg/graphite/block-0.c: Same.
3668         * gcc.dg/graphite/block-1.c: Same.
3669         * gcc.dg/graphite/block-2.c: Same.
3670         * gcc.dg/graphite/block-3.c: Same.
3671         * gcc.dg/graphite/block-4.c: Same.
3672         * gcc.dg/graphite/block-5.c: Same.
3673         * gcc.dg/graphite/block-6.c: Same.
3674         * gfortran.dg/graphite/pr38083.f90: Same.
3675         * gfortran.dg/graphite/block-1.f90: Same.
3676         * gfortran.dg/graphite/block-3.f90: Same.
3677         * gfortran.dg/graphite/pr37852.f90: Same.
3678         * gfortran.dg/graphite/block-4.f90: Same.
3679         * gfortran.dg/graphite/pr37980.f90: Same.
3680         * gfortran.dg/graphite/pr38953.f90: Same.
3681         * gfortran.dg/graphite/pr37857.f90: Same.
3682         * opts.c: Remove -floop-block from -O2.
3683         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3684         -floop-strip-mine are used.
3685
3686 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3687             Sebastian Pop  <sebastian.pop@amd.com>
3688
3689         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3690         dimensions.
3691         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3692         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3693         strip_mine_profitable_p, is_interchange_valid,
3694         graphite_trans_bb_block, graphite_trans_loop_block,
3695         graphite_trans_scop_block): Temporary removed.
3696         (extend_scattering, unify_scattering_dimensions): New.
3697         (print_scattering_function, graphite_read_transforms):
3698         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3699         (graphite_generate_scattering_fns): Removed.
3700         (apply_poly_transforms): Cleanup.
3701         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3702         (schedule_to_scattering): Moved.
3703         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3704         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3705         (pbb_nb_scattering): New.
3706         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3707         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3708         Removed.
3709         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3710         shift_poly.
3711         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3712         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3713         -> PBB_TRANSFORMED_SCATTERING.
3714         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3715         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3716         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3717         (check_poly_representation): Do not return bool.
3718         (graphite_transform_loops): Reformat.
3719         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3720
3721 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3724         debug_pbb_domain, debug_pbb, debug_scop): New.
3725         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3726         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3727
3728 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3729
3730         PR middle-end/39335
3731         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3732         when the type precision of the induction variable should be
3733         larger than the type precision of nit.
3734         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3735         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3736         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3737
3738         * gcc.dg/graphite/pr39335_1.c: New.
3739         * gcc.dg/graphite/pr39335.c: New.
3740
3741 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3744         SSA_NAMES not struct reduction_info.
3745
3746 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3747
3748         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3749
3750 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3751             Tobias Grosser  <grosser@fim.uni-passau.de>
3752
3753         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3754         (free_sese): Free SESE_REDUCTION_LIST.
3755         * sese.h (struct sese): Add field reduction_list.
3756         (SESE_REDUCTION_LIST): New.
3757         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3758         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3759
3760 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3761             Tobias Grosser  <grosser@fim.uni-passau.de>
3762
3763         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3764         of loop_p.
3765
3766 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3767             Tobias Grosser  <grosser@fim.uni-passau.de>
3768
3769         * tree-parloops.c (struct brli, build_reduction_list_info,
3770         analyze_reduction_list, gather_scalar_reductions): New.
3771         (loop_parallel_p): Build a reduction list containing only
3772         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3773         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3774         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3775         * tree-flow.h (gather_scalar_reductions): Declared.
3776
3777 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         PR middle-end/39308
3780         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3781         number_of_iterations_exit from a gcc_assert.
3782
3783 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3784             Jan Sjodin  <jan.sjodin@amd.com>
3785
3786         * output.h (graphite_out_file, graphite_in_file): Declared.
3787         * toplev.c (graphite_out_file, graphite_in_file): New.
3788         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3789         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3790         Don't call schedule_to_scattering.
3791         * common.opt (fgraphite-write, fgraphite-read): New.
3792         * graphite-poly.c: Include output.h.
3793         (print_scattering_function, print_scattering_functions,
3794         debug_scattering_function, debug_scattering_functions,
3795         graphite_write_transforms, graphite_read_transforms,
3796         graphite_generate_scattering_fns): New.
3797         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3798         Call graphite_generate_scattering_fns, graphite_write_transforms,
3799         graphite_read_transforms.
3800         (new_poly_bb): Initialize PBB_SCATTERING.
3801         (free_poly_bb): Free PBB_SCATTERING.
3802         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3803         * graphite-poly.h (struct poly_bb): Add field scattering.
3804         (PBB_SCATTERING): New.
3805         (print_scattering_function, print_scattering_functions,
3806         debug_scattering_function, debug_scattering_functions): Declared.
3807         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3808         GMP values, not integers!
3809         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3810         ppl_read_polyhedron_matrix): New.
3811         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3812         debug_ppl_polyhedron_matrix,
3813         ppl_read_polyhedron_matrix): Declared.
3814         * Makefile.in (graphite-poly.o): Depends on output.h.
3815
3816 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3817             Tobias Grosser  <grosser@fim.uni-passau.de>
3818
3819         Revert this change:
3820         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3821         scalar evolutions in the scop_entry->loop_father.
3822
3823 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3824             Tobias Grosser  <grosser@fim.uni-passau.de>
3825
3826         * graphite.h (ref_nb_loops): Remove declaration.
3827         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3828         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3829         debug_gbb): Moved to sese.h.
3830         * sese.h: As said.
3831
3832 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3833             Tobias Grosser  <grosser@fim.uni-passau.de>
3834
3835         * graphite-data-ref.[ch]: Disable.
3836
3837 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3838             Tobias Grosser  <grosser@fim.uni-passau.de>
3839
3840         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3841         scalar evolutions in the scop_entry->loop_father.
3842
3843 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3844
3845         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3846         (graphite_cannot_represent_loop_niter): Renamed
3847         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3848         (limit_scops): build_sese_loop_nests does not return a bool.
3849         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3850         * sese.c (nb_reductions_in_loop): ... from here.
3851         (graphite_loop_normal_form): ... from here.
3852         (sese_record_loop): Does not fail, so does not return a bool.
3853         (build_sese_loop_nests): Same.
3854         * sese.h (build_sese_loop_nests): Update declaration.
3855         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3856         (build_graphite_loop_normal_form): New.
3857         (gloog): Call build_graphite_loop_normal_form.
3858         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3859         build_sese_loop_nests.
3860
3861         * gcc.dg/graphite/id-1.c: New.
3862
3863 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3864             Tobias Grosser  <grosser@fim.uni-passau.de>
3865
3866         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3867         The SCoP detection fix is sufficient.
3868
3869 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3870
3871         PR tree-optimization/39260
3872         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3873         the basic block contains a condition with a real type.
3874         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3875
3876         * gcc.dg/graphite/pr39260.c: New.
3877
3878 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         * graphite-poly.c: Inlcude params.h.
3881         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3882         the size of a tile.
3883         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3884         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3885
3886 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3887             Tobias Grosser  <grosser@fim.uni-passau.de>
3888
3889         * graphite-scop-detection.c (dot_all_scops_1,
3890         dot_all_scops): Moved here.
3891         * graphite-scop-detection.h (dot_all_scops): Declared here.
3892         * graphite.c (graphite_initialize, graphite_finalize): New.
3893         (graphite_transform_loops): Cleaned up.
3894         * sese.c (debug_oldivs): Moved here.
3895         * graphite-poly.c (graphite_apply_transformations): Renamed
3896         apply_poly_transforms.
3897         (debug_loop_vec): Moved here.
3898         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3899         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3900         find_scop_parameters, build_scop_iteration_domain,
3901         add_conditions_to_constraints, build_scop_canonical_schedules,
3902         build_scop_data_accesses): Now static.
3903         (build_poly_scop, check_poly_representation): New.
3904
3905 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3908         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3909         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3910         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3911         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3912         scan_tree_for_params, struct irp_data, dx_record_params,
3913         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3914         build_loop_iteration_domains, add_conditions_to_domain,
3915         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3916         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3917         build_sese_conditions, add_conditions_to_constraints,
3918         build_scop_iteration_domain, build_access_matrix_with_af,
3919         build_access_matrix,
3920         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3921
3922         * graphite-sese-to-poly.c: New.
3923         * graphite-sese-to-poly.h: New.
3924
3925         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3926
3927 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3928
3929         * graphite.c: Split graphite code generation to a new file.
3930         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3931         max_precision_type, clast_to_gcc_expression_red,
3932         clast_to_gcc_expression, gcc_type_for_clast_expr,
3933         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3934         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3935         graphite_create_new_guard, clast_get_body_of_loop,
3936         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3937         graphite_create_new_loop, build_iv_mapping, copy_renames,
3938         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3939         compute_cloog_iv_types, free_scattering, save_var_name,
3940         initialize_cloog_names, build_scop_context, build_cloog_prog,
3941         set_cloog_options, debug_clast_stmt, scop_to_clast,
3942         print_generated_program, debug_generated_program,
3943         gloog): Moved to graphite-clast-to-gimple.c.
3944
3945         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3946
3947         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3948         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3949         loop_iv_stack_pop, loop_iv_stack_get_iv,
3950         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3951         free_loop_iv_stack, loop_iv_stack_remove_constants,
3952         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3953         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3954         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3955         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3956         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3957         get_vdef_before_sese, sese_adjust_vphi,
3958         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3959         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3960         is_iv, expand_scalar_variables_ssa_name,
3961         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3962         expand_scalar_variables, rename_variables, remove_condition,
3963         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3964         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3965         default_liveout_before_guard, add_guard_exit_phis,
3966         insert_guard_phis, register_old_and_new_names,
3967         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3968         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3969         if_region_set_false_region, create_if_region_on_edge,
3970         move_sese_in_condition): Moved to sese.c.
3971
3972         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3973         if_region_exit, if_region_get_condition_block,
3974         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3975         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3976         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3977         ivtype_map_elt, new_ivtype_map_elt,
3978         recompute_all_dominators): Moved to sese.h.
3979
3980         * graphite-clast-to-gimple.c: New.
3981         * graphite-clast-to-gimple.h: New.
3982         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3983         * sese.c: Modified as said above.
3984         * sese.h: Same.
3985
3986 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3987
3988         * graphite.c: Split scop detection to a new file.
3989         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3990         move_sd_regions, loop_affine_expr, exclude_component_ref,
3991         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3992         graphite_cannot_represent_loop_niter, struct scopdet_info,
3993         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3994         find_single_entry_edge, find_single_exit_edge,
3995         create_single_entry_edge, sd_region_without_exit,
3996         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3997         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3998         Moved to graphite-scop-detection.c.
3999
4000         * graphite-scop-detection.c: New.
4001         * graphite-scop-detection.h: New.
4002         * Makefile.in: Add new rule for graphite-scop-detection.o.
4003
4004         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4005         tree-scalar-evolution.h.
4006         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4007         build_sese_loop_nests): Moved here from graphite.c.
4008         (param_index): Renamed parameter_index_in_region.
4009
4010 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4011             Sebastian Pop  <sebastian.pop@amd.com>
4012
4013         * gcc.dg/graphite/block-0.c: Expected to fail now.
4014         * gcc.dg/graphite/block-1.c: Same.
4015         * gcc.dg/graphite/block-5.c: Same.
4016         * gcc.dg/graphite/block-6.c: Same.
4017
4018 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4019             Sebastian Pop  <sebastian.pop@amd.com>
4020
4021         * graphite.h: Separate from graphite_bb_p the polyhedral
4022         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4023         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4024         graphite-data-ref.h.
4025         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4026         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4027         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4028         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4029         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4030         scop_nb_params): Moved to graphite-poly.h.
4031         * graphite-data-ref.c: Same.
4032         * graphite-data-ref.h: New.
4033         * graphite.c: Same.
4034         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4035         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4036         is_interchange_valid, graphite_trans_bb_block,
4037         graphite_trans_loop_block, scop_max_loop_depth,
4038         graphite_trans_scop_block, graphite_apply_transformations,
4039         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4040         graphite-poly.c.
4041         * graphite-poly.h: New.
4042         * graphite-poly.c: New.
4043         * Makefile.in (OBJS-common): Add graphite-poly.o.
4044         (graphite-poly.o): New rule.
4045         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4046         (DR_SCOP): Removed.
4047
4048 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4049             Tobias Grosser  <grosser@fim.uni-passau.de>
4050
4051         * graphite.c: Replace gb -> gbb.
4052         * graphite.h: Same.
4053         * graphite-data-ref.c: Same.
4054
4055 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4056             Tobias Grosser  <grosser@fim.uni-passau.de>
4057
4058         * Makefile.in (OBJS-commmon): Add sese.o.
4059         (sese.o): New.
4060         (graphite.o): Add sese.h.
4061         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4062         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4063         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4064         Move to sese.
4065         (block_before_scop): Add missing return.
4066         (new_scop, free_scop): Remove SESE data structures.
4067         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4068         find_scop_parameters, build_loop_iteration_domains,
4069         add_conditions_to_domain, register_scop_liveout_renames,
4070         copy_bb_and_scalar_dependences): Scop -> SESE.
4071
4072         (add_conditions_to_domain): SCoP -> SESE and remove check
4073         (scop_contains_non_iv_scalar_phi_nodes): New.
4074         (build_scop_conditions_1, build_scop_conditions): Remove check for
4075         non iv scalar phi nodes.
4076         (print_scop_statistics): New.
4077         (graphite_transform_loops): Cleanup.
4078
4079         * graphite.h: Move to sese & cleanup.
4080         * sese.c: New.
4081         * sese.h: New.
4082
4083 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4084             Tobias Grosser  <grosser@fim.uni-passau.de>
4085
4086         * graphite.c (build_scop_conditions_1): Conditions are only
4087         at the end of a basic block.
4088
4089 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4090             Tobias Grosser  <grosser@fim.uni-passau>
4091
4092         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4093         field.
4094         (GBB_ALPHA): Removed.
4095
4096 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4097             Tobias Grosser  <grosser@fim.uni-passau.de>
4098
4099         * graphite-data-ref.c (graphite_test_dependence): Don't use
4100         GBB_DYNAMIC_SCHEDULE.
4101         * graphite.c (new_graphite_bb): Same.
4102         (free_graphite_bb): Same.
4103         (build_scop_dynamic_schedules): Removed.
4104         (graphite_transform_loops): Don't call it.
4105         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4106         (GBB_DYNAMIC_SCHEDULE): Removed.
4107
4108 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4109             Tobias Grosser  <grosser@fim.uni-passau.de>
4110
4111         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4112         (print_graphite_bb): Same.
4113         (build_cloog_prog): Same.
4114
4115 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4116             Tobias Grosser  <grosser@fim.uni-passau.de>
4117
4118         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4119
4120 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4121             Tobias Grosser  <grosser@fim.uni-passau.de>
4122
4123         * graphite.c (build_scop_context): Don't use CloogMatrix.
4124         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4125         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4126
4127 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4128             Tobias Grosser  <grosser@fim.uni-passau.de>
4129
4130         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4131         liveout_renames, add_params fields...
4132         (struct sese): ... here.
4133         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4134         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4135
4136 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4137             Tobias Grosser  <grosser@fim.uni-passau.de>
4138
4139         * graphite.c (print_scop): Do not print the CLooG program.
4140         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4141         build_cloog_prog, gloog): Don't use SCOP_PROG.
4142         (find_transform): Renamed scop_to_clast.
4143         (print_generated_program, debug_generated_program): New.
4144         (graphite_transform_loops): Adapt to new interface.
4145         * graphite.h (struct scop): Remove program field.
4146         (SCOP_PROG): Removed.
4147         (print_generated_program, debug_generated_program): Declared.
4148
4149 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4150
4151         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4152         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4153         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4154         free_graphite_bb, build_scop_canonical_schedules,
4155         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4156         schedules are now represented using a ppl_Linear_Expression_t.
4157         * graphite.h (struct graphite_bb): Same.
4158         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4159         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4160
4161 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4162
4163         * graphite.c: Free local memory.
4164         * graphite-ppl.c: Same.
4165
4166 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4167
4168         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4169         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4170         swap_constraint_variables, scale_constraint_variable): Removed.
4171         (graphite_trans_bb_strip_mine): Remove pong.
4172         * graphite-ppl.c: Include missing header files.
4173         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4174         * graphite-ppl.h (ppl_strip_loop): Declared.
4175         * Makefile.in (graphite-ppl.o): Adjust dependences.
4176
4177 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4178
4179         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4180         (build_scop_iteration_domain): Same.
4181
4182 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4183
4184         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4185         ping pong.
4186         (add_value_to_dim, scan_tree_for_params_right_scev,
4187         scan_tree_for_params_int): New.
4188         * graphite-ppl.c (oppose_constraint): New.
4189         (insert_constraint_into_matrix): Implement missing cases.
4190         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4191
4192 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4193
4194         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4195         use ppl_move_dimension.
4196
4197 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4198
4199         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4200         * graphite.c: Same.
4201         * graphite.h: Same.
4202         * graphite-ppl.c: Same.
4203         * graphite-ppl.h: Same.
4204
4205 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4206
4207         Revert last 3 commits.
4208
4209 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4212         ping pong.
4213         (add_value_to_dim, scan_tree_for_params_right_scev,
4214         scan_tree_for_params_int): New.
4215         * graphite-ppl.c (oppose_constraint): New.
4216         (insert_constraint_into_matrix): Implement missing cases.
4217         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4218
4219 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4220
4221         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4222
4223 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4224             Tobias Grosser  <grosser@fim.uni-passau.de>
4225
4226         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4227         use ppl_move_dimension.
4228         * graphite-ppl.c (ppl_move_dimension): New.
4229         * graphite-ppl.h (ppl_move_dimension): Declared.
4230
4231 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4232
4233         * graphite.c: Do not include cloog/cloog.h.
4234         (print_graphite_bb): Remove ping pong, call PPL print function.
4235
4236 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4237
4238         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4239         (graphite.o): Add dependence on graphite-ppl.h.
4240         (graphite-ppl.o): New.
4241         (graphite-data-ref.c): Ping pong between PPL data structures
4242         and matrices.
4243         * graphite-ppl.c: New.
4244         * graphite-ppl.h: New.
4245         * graphite.c: Include graphite-ppl.h.
4246         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4247         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4248         Ping pong between PPL data structures and matrices.
4249         (new_graphite_bb): Create a PPL constraint system.
4250         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4251         (build_loop_iteration_domains): Use PPL functions.
4252         * graphite.h: Include graphite-ppl.h.  Fix comments.
4253         (graphite_bb): Use a ppl_Constraint_System_t instead of
4254         CloogMatrix for representing the domain.
4255         (scop): Remove static_schedule.
4256         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4257
4258 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         * graphite.c: Fix some comments.
4261
4262 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4263
4264         PR middle-end/38953
4265         * graphite.c (if_region_set_false_region): After moving a region
4266         in the false branch of a condition, remove the empty dummy
4267         basic block.
4268         (gloog): Remove wrong fix for PR38953.
4269
4270 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4271
4272         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4273         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4274         register_bb_in_sese, new_sese, free_sese): Moved.
4275         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4276         outermost_loop_in_scop, build_scop_iteration_domain,
4277         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4278         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4279         Use loop_in_sese_p instead of loop_in_scop_p.
4280         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4281         (free_scop): Do not free SCOP_BBS_B.
4282         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4283         ref_nb_loops): Moved here...
4284         * graphite.h (ref_nb_loops): ... from here.
4285         (struct scop): Remove bbs_b bitmap.
4286         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4287         * gcc.dg/graphite/scop-19.c: New
4288
4289 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4290
4291         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4292         detection.
4293
4294 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4295
4296         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4297         eq_loop_to_cloog_loop): Remove.
4298         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4299         * graphite.h (struct scop): Remove loop2cloog_loop.
4300         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4301
4302 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4303
4304         * opts.c (decode_options): Only add graphite options to O2
4305         if we compile with graphite enabled.
4306
4307 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4308
4309         * Merge from mainline (r143163:143684).
4310
4311 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * graphite.c (debug_value): Removed.
4314         * graphite.h (debug_value): Removed.
4315
4316 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4319         after graphite: pass_copy_prop does not maintain a proper loop closed
4320         SSA form.  pass_copy_prop should be fixed.
4321
4322 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4323
4324         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4325
4326 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4327
4328         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4329         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4330         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4331         changed the CFG.
4332
4333 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4334
4335         * graphite.c (gloog): Return true when code gen succeeded.
4336         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4337         the code of the function did not changed.  After cleanup_tree_cfg
4338         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4339         form.
4340
4341 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4342
4343         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4344         gimple_call_lhs is NULL.
4345
4346 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4347             Tobias Grosser  <tobi.grosser@amd.com>
4348
4349         * graphite.c (graphite_trans_scop_block): Do not block single
4350         nested loops.
4351
4352 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4353             Tobias Grosser  <tobi.grosser@amd.com>
4354
4355         * graphite.c (build_scop_canonical_schedules): Start schedules at
4356         zero.
4357
4358 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4359             Tobias Grosser  <tobi.grosser@amd.com>
4360
4361         * graphite.c (compare_prefix_loops): New.
4362         (build_scop_canonical_schedules): Rewritten.
4363         (graphite_transform_loops): Move build_scop_canonical_schedules
4364         after build_scop_iteration_domain.
4365
4366 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4367             Tobias Grosser  <tobi.grosser@amd.com>
4368
4369         * graphite.c (add_conditions_to_domain): Add the loops to
4370         the dimension of the iteration domain.  Do copy the domain
4371         only when it exists.
4372         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4373         (add_conditions_to_constraints): New.
4374         (can_generate_code_stmt, can_generate_code): Removed.
4375         (gloog): Do not call can_generate_code.
4376         (graphite_transform_loops): Call add_conditions_to_constraints
4377         after building the iteration domain.
4378
4379 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4380             Tobias Grosser  <tobi.grosser@amd.com>
4381             Jan Sjodin  <jan.sjodin@amd.com>
4382
4383         * graphite.c (scan_tree_for_params): On substractions negate
4384         all the coefficients of the term.
4385         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4386         of more than two operands.
4387         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4388         (get_vdef_before_scop): Handle also the case of default definitions.
4389
4390 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         PR middle-end/38431
4393         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4394         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4395         (gloog): Do not call cleanup_tree_cfg.
4396         (graphite_transform_loops): Call cleanup_tree_cfg after all
4397         scops have been code generated.
4398
4399 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4400
4401         * passes.c (init_optimization_passes): Schedule after
4402         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4403
4404 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4405
4406         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4407         Fix comment.
4408         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4409         Set the type of an expression to the type of its assign statement.
4410         (expand_scalar_variables_expr):  Do not pass loop_p.
4411         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4412         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4413         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4414
4415 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4416
4417         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4418         an expression to the gimple_expr_type of its assign statement.
4419         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4420         or tcc_declaration.
4421
4422 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4423
4424         PR tree-optimization/38786
4425         * gcc.dg/graphite/pr38786.c: New.
4426         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4427         the SSA_NAME case of expand_scalar_variables_expr.
4428         (expand_scalar_variables_expr): Also gather the scalar computation
4429         used to index the memory access.
4430         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4431         the gimple_stmt_iterator where it inserts new code.
4432
4433 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4434
4435         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4436
4437 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4438
4439         * opts.c (decode_options): Enable flag_graphite_identity and
4440         flag_loop_block in -O2 and above.
4441
4442 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4443
4444         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4445         Fix merge problem: replace with the file from trunk.
4446
4447 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4448
4449         * Merge from mainline (r141727:143163).
4450
4451 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4452             Jan Sjodin  <jan.sjodin@amd.com>
4453
4454         PR tree-optimization/38559
4455         * gcc.dg/graphite/pr38559.c: New.
4456
4457         * graphite.c (debug_value, copy_constraint,
4458         swap_constraint_variables, scale_constraint_variable, ): New.
4459         (get_lower_bound, get_upper_bound): Removed.
4460         (graphite_trans_bb_strip_mine): Clean up this code that works
4461         only for constant number of iterations.  Fully copy upper and
4462         lower bound constraints, not only the constant part of them.
4463         * graphite.h (debug_value): Declared.
4464
4465 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4466
4467         PR tree-optimization/38492
4468         PR tree-optimization/38498
4469         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4470         * tree-chrec.h (scev_is_linear_expression): Declared.
4471         * graphite.c (graphite_cannot_represent_loop_niter): New.
4472         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4473         (graphite_loop_normal_form): Use gcc_assert.
4474         (scan_tree_for_params): Use CASE_CONVERT.
4475         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4476         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4477         Use gcc_assert.  Discard scops that contain unhandled cases.
4478         (build_scop_conditions): Return a boolean status for unhandled cases.
4479         (strip_mine_profitable_p): Print the loop number, not its depth.
4480         (is_interchange_valid): Pass the depth of the loop nest, don't
4481         recompute it wrongly.
4482         (graphite_trans_bb_block): Same.
4483         (graphite_trans_bb_block): Print tentative of loop blocking.
4484         (graphite_trans_scop_block): Do not print that the loop has been
4485         blocked.
4486         (graphite_transform_loops): Do not handle scops that contain condition
4487         scalar phi nodes.
4488
4489         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4490         in trunk.
4491         * gcc.dg/graphite/block-0.c: Update test.
4492         * gcc.dg/graphite/block-1.c: Same.
4493         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4494         blocking.
4495         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4496         * gcc.dg/graphite/block-3.c: New.
4497         * gcc.dg/graphite/pr38498.c: New.
4498
4499 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4500
4501         PR tree-optimization/38510
4502         * gcc.dg/graphite/pr38510.c: New.
4503         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4504           (translate_clast): Call recompute_all_dominators before
4505           graphite_verify.
4506           (gloog): Call recompute_all_dominators before graphite_verify.
4507
4508 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4509
4510         PR tree-optimization/38492
4511         * graphite.c (rename_map_elt, debug_rename_elt,
4512         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4513         rename_map_elt_info, eq_rename_map_elts,
4514         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4515         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4516         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4517         (sese_build_livein_liveouts): New.
4518         (new_sese, free_sese): New.
4519         (new_scop): Call new_sese.
4520         (free_scop): Call free_sese.
4521         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4522         (register_old_new_names): Renamed register_old_and_new_names.
4523         (register_scop_liveout_renames, add_loop_exit_phis,
4524         insert_loop_close_phis, struct igp,
4525         default_liveout_before_guard, add_guard_exit_phis,
4526         insert_guard_phis, copy_renames): New.
4527         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4528         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4529         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4530         (scop_adjust_phis_for_liveouts): New.
4531         (gloog): Call scop_adjust_phis_for_liveouts.
4532
4533         * graphite.h (struct sese): Documented.  Added fields liveout,
4534         num_ver and livein.
4535         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4536         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4537         (struct scop): Added field liveout_renames.
4538         (SCOP_LIVEOUT_RENAMES): New.
4539
4540 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4541
4542         PR tree-optimization/38409
4543         * gcc.dg/graphite/pr38409.c: New.
4544         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4545
4546 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4547
4548         * graphite.c (gcc_type_for_cloog_iv): By default return
4549         integer_type_node.
4550         (graphite_create_new_loop): Don't fold_convert the already
4551         fold_convert-ed expression.
4552
4553 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4554
4555         PR tree-optimization/38446
4556         * gcc.dg/graphite/pr38446.c: New.
4557         * graphite.c (register_bb_in_sese): New.
4558         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4559         looking at the bbs in the region.
4560         * graphite.h (sese): Add region_basic_blocks pointer set to
4561         structure and initialize at the time of defining new scop.
4562
4563 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4564
4565         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4566         (find_params_in_bb): Do not free data refs.
4567         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4568
4569 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4570
4571         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4572         * gcc.dg/graphite/scop-17.c: Same.
4573         * gcc.dg/graphite/block-5.c: New.
4574         * gcc.dg/graphite/block-6.c: New.
4575         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4576         * gcc.dg/graphite/pr37684.c: Same.
4577         * gcc.dg/graphite/block-2.c: Same.
4578
4579         * graphite.c (struct ivtype_map_elt): New.
4580         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4581         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4582         gcc_type_for_cloog_iv): New.
4583         (loop_iv_stack_patch_for_consts): Use the type of the induction
4584         variable from the original loop, except for the automatically
4585         generated loops, i.e., in the case of a strip-mined loop, in
4586         which case there is no original loop: in that case just use
4587         integer_type_node.
4588         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4589         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4590         (clast_name_to_gcc): Accept params to be NULL.
4591         (clast_to_gcc_expression): Take an extra parameter for the type.
4592         Convert to that type all the expressions built by this function.
4593         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4594         (graphite_translate_clast_equation): Compute the type of the
4595         clast_equation before translating its LHS and RHS.
4596         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4597         (graphite_create_new_loop): Compute the type of the induction
4598         variable before translating the lower and upper bounds and before
4599         creating the induction variable.
4600         (rename_variables_from_edge, rename_phis_end_scop): New.
4601         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4602         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4603         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4604         compute_cloog_iv_types): New.
4605         (gloog): Call compute_cloog_iv_types before starting the
4606         translation of the clast.
4607
4608         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4609         (GBB_CLOOG_IV_TYPES): New.
4610         (debug_ivtype_map): Declared.
4611         (oldiv_for_loop): New.
4612
4613 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4614
4615         PR middle-end/38459
4616         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4617         (param_index): Assert if parameter is not know after parameter
4618         detection.
4619         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4620         (find_scop_parameters): Mark, that we have finished parameter
4621         detection.
4622         (graphite_transform_loops): Move condition detection before parameter
4623         detection.
4624         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4625         * gfortran.dg/graphite/pr38459.f90: New.
4626
4627 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4628
4629         * graphite.c (graphite_transform_loops): Always call find_transform ()
4630         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4631         generate code.
4632
4633 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4634
4635         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4636         (print_scop): Ditto.
4637
4638 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4639
4640         PR middle-end/38084
4641         Fix gfortran.dg/graphite/id-3.f90.
4642         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4643         regions more than once.
4644
4645 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4646
4647         Fix gfortran.dg/graphite/id-4.f90.
4648         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4649         when not needed.
4650
4651 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         Fix gfortran.dg/graphite/id-1.f90.
4654         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4655         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4656         (max_precision_type): New.
4657         (value_clast): Removed.
4658         (clast_to_gcc_expression): Be more careful to types of expressions.
4659         Use max_precision_type and update use of gmp_cst_to_tree.
4660         (graphite_translate_clast_equation): Use max_precision_type.
4661         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4662         use the type of the condition.
4663         (graphite_create_new_loop): Do not use integer_type_node, use the
4664         max_precision_type of lb and ub.
4665
4666 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4667
4668         * graphite.c (build_scops_1): Initialize open_scop.exit
4669         and sinfo.last.
4670
4671 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4672
4673         * gcc.dg/graphite/pr38084.c: New.
4674         * gfortran.dg/graphite/id-1.f90: New.
4675         * gfortran.dg/graphite/id-2.f90: New.
4676         * gfortran.dg/graphite/id-3.f90: New.
4677         * gfortran.dg/graphite/id-4.f90: New.
4678         * gfortran.dg/graphite/pr37857.f90: New.
4679
4680 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4681             Jan Sjodin  <jan.sjodin@amd.com>
4682             Harsha Jagasia  <harsha.jagasia@amd.com>
4683
4684         PR middle-end/37852
4685         PR middle-end/37883
4686         PR middle-end/37928
4687         PR middle-end/37980
4688         PR middle-end/38038
4689         PR middle-end/38039
4690         PR middle-end/38073
4691         PR middle-end/38083
4692         PR middle-end/38125
4693
4694         * gcc.dg/graphite/pr38073.c: New.
4695         * gcc.dg/graphite/pr37928.c: New.
4696         * gcc.dg/graphite/pr37883.c: New.
4697         * gcc.dg/graphite/pr38125.c: New.
4698         * gfortran.dg/graphite/pr38083.f90: New.
4699         * gfortran.dg/graphite/pr37852.f90: New.
4700         * gfortran.dg/graphite/pr37980.f90: New.
4701
4702         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4703         the number of detected scops.  Copy exact same test for loop
4704         blocking...
4705         * gcc.dg/graphite/block-1.c: Fix the number of expected
4706         loops to be blocked as reductions are not handled.
4707         * gcc.dg/graphite/block-4.c: ...here.  New.
4708
4709         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4710         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4711         ...here.
4712         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4713         * Makefile.in (graphite.o): Depend on value-prof.h.
4714         (graphite.o-warn): Removed -Wno-error.
4715         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4716         to be a NULL pointer.  Call update_stmt.  Return the newly created
4717         cannonical induction variable.
4718
4719         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4720
4721         * graphite.c: Reimplement the code generation from graphite to gimple.
4722         Include value-prof.h.
4723         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4724         (get_old_iv_from_ssa_name): Removed.
4725         (graphite_stmt_p): New.
4726         (new_graphite_bb): Test for useful statements before building a
4727         graphite statement for the basic block.
4728         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4729         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4730         reason.
4731         (recompute_all_dominators, graphite_verify,
4732         nb_reductions_in_loop, graphite_loop_normal_form): New.
4733         (scop_record_loop): Call graphite_loop_normal_form.
4734         (build_scop_loop_nests): Iterate over all the blocks of the
4735         function instead of relying on the incomplete information from
4736         SCOP_BBS.  Return the success of the operation.
4737         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4738         (add_bb_domains): Removed.
4739         (build_loop_iteration_domains): Don't call add_bb_domains.
4740         Add the iteration domain only to the basic blocks that have been
4741         translated to graphite.
4742         (build_scop_conditions_1): Add constraints only if the basic
4743         block have been translated to graphite.
4744         (build_scop_data_accesses): Completely disabled until data
4745         dependence is correctly implemented.
4746         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4747         (remove_all_edges_1, remove_all_edges): Removed.
4748         (get_new_name_from_old_name): New.
4749         (graphite_rename_variables_in_stmt): Renamed
4750         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4751         Use replace_exp and update_stmt.
4752         (is_old_iv): Renamed is_iv.
4753         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4754         Use replace_exp and update_stmt.
4755         (expand_scalar_variables_expr): Same.  Use the map to get the
4756         new names for the renaming of induction variables and for the
4757         renaming of variables after a basic block has been copied.
4758         (expand_scalar_variables): Same.
4759         (graphite_rename_variables): Renamed rename_variables.
4760         (move_phi_nodes): Removed.
4761         (get_false_edge_from_guard_bb): New.
4762         (build_iv_mapping): Do not insert the induction variable of a
4763         loop in the renaming iv map if the basic block does not belong
4764         to that loop.
4765         (register_old_new_names, graphite_copy_stmts_from_block,
4766         copy_bb_and_scalar_dependences): New.
4767         (translate_clast): Heavily reimplemented: copy basic blocks,
4768         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4769         At each translation step call graphite_verify ensuring the
4770         consistency of the SSA, loops and dominators information.
4771         (collect_virtual_phis, find_vdef_for_var_in_bb,
4772         find_vdef_for_var_1, find_vdef_for_var,
4773         patch_phis_for_virtual_defs): Removed huge hack.
4774         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4775         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4776         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4777         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4778         if_region_get_condition_block, if_region_set_false_region,
4779         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4780         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4781         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4782         rewrite_into_sese_closed_ssa): New.
4783         (gloog): Remove dead code.  Early return if code cannot be
4784         generated.  Call cleanup_tree_cfg once the scop has been code
4785         generated.
4786         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4787         block loops with less than two loops.
4788         (graphite_apply_transformations): Remove the call to
4789         scop_remove_ignoreable_gbbs.
4790         (limit_scops): When build_scop_loop_nests fails, continue on
4791         the next scop.  Fix open_scop.entry.
4792         (graphite_transform_loops): Call recompute_all_dominators: force the
4793         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4794         Call initialize_original_copy_tables and free_original_copy_tables
4795         to be able to copy basic blocks during code generation.
4796         When build_scop_loop_nests fails, continue on next scop.
4797         (value_clast): New union.
4798         (clast_to_gcc_expression): Fix type cast warning.
4799
4800 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4801
4802         * Merge from mainline (r140838:141727).
4803
4804 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4805
4806         PR middle-end/37833
4807
4808         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4809
4810 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4811
4812         PR middle-end/37943
4813
4814         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4815         exits and conditions.
4816         * gcc.dg/graphite/pr37943.c: New.
4817
4818 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4819
4820         PR middle-end/37886
4821         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4822
4823 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4824
4825         * doc/invoke.texi: Fix spaces.
4826
4827 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4828
4829         PR tree-optimization/37891
4830         Reverted last commit.
4831         * graphite.c (create_single_entry_edge): Set
4832         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4833
4834 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4835             Mitul Thakkar  <mitul.thakkar@amd.com>
4836
4837         * graphite.c (create_single_entry_edge): Set
4838         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4839
4840 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4841
4842         * doc/invoke.texi: Add -fgraphite-identity.
4843         * graphite.c (graphite_apply_transformations): Check for
4844         -fgraphite-identity.
4845         * toplev.c (process_options): Add flag_graphite_identity.
4846         * tree-ssa-loop.c: Add flag_graphite_identity.
4847
4848 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4849
4850         Undo changes from 2008-10-02:
4851         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4852         operand type when copying the operand to a variable of different type.
4853         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4854         with the IV name after increment.
4855
4856 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4857             Harsha Jagasia  <harsha.jagasia@amd.com>
4858
4859         PR tree-optimization/37828
4860         * gcc.dg/graphite/pr37828.c: New.
4861         * graphite.c (graphite_trans_loop_block): Do not loop block
4862         single nested loops.
4863
4864 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4865             Sebastian Pop  <sebastian.pop@amd.com>
4866
4867         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4868         rename_map_elt_info, eq_rename_map_elts): New.
4869         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4870         (expand_scalar_variables_expr): Change parameters.
4871         (expand_scalar_variables_stmt): Same.
4872         (expand_scalar_variables): Same.
4873         (graphite_rename_ivs): Rename graphite_rename_variables.
4874         (build_iv_mapping): New.
4875         (translate_clast): Call build_iv_mapping.
4876         * graphite.h (gbb_p): New name.
4877
4878 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4879
4880         PR tree-optimization/37684
4881         * gcc.dg/graphite/pr37684.c: New.
4882         * graphite.c (exclude_component_ref): New.
4883         (is_simple_operand): Call exclude_component_ref.
4884
4885 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4886             Harsha Jagasia  <harsha.jagasia@amd.com>
4887
4888         PR tree-optimization/37485
4889         * gcc.dg/graphite/block-2.c: New
4890         * graphite.c (gmp_cst_to_tree): Moved.
4891         (iv_stack_entry_is_constant): New.
4892         (iv_stack_entry_is_iv): New.
4893         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4894         (loop_iv_stack_insert_constant): New.
4895         (loop_iv_stack_pop): Use new datatpype.
4896         (loop_iv_stack_get_iv): Same.
4897         (loop_iv_stack_get_iv_from_name): Same.
4898         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4899         (loop_iv_stack_patch_for_consts): New.
4900         (loop_iv_stack_remove_constants): New.
4901         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4902         (translate_clast): Call loop_iv_stack_patch_for_consts and
4903         loop_iv_stack_remove_constants.
4904         (gloog): Use new datatype.  Redirect construction edge to end
4905         block to avoid accidental deletion.
4906         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4907         iv stack entry.
4908         (union iv_stack_entry_data): New.  Data in iv stack entry.
4909         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4910
4911 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4912
4913         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4914         operand type when copying the operand to a variable of different type.
4915
4916 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4917
4918         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4919         with the IV name after increment.
4920
4921 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4922
4923         * Merge from mainline (r140164:140838).
4924
4925 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4926
4927         * graphite-data-ref.c: New.
4928         * graphite.c (print_scop): Also dump the dependence graph.
4929         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4930         (new_scop): Initialize SCOP_DEP_GRAPH.
4931         (build_scop_dynamic_schedules): New.
4932         (build_access_matrix_with_af): Fixed column numbering.
4933         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4934         * graphite.h: Add ifndef/define guards against multiple inclusion.
4935         (struct scop): Add dep_graph field.
4936         (SCOP_DEP_GRAPH): Defined.
4937         (ref_nb_loops): Fixed and moved to other position.
4938         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4939         (nb_loops_around_loop_in_scop): New.
4940         (graphite_dump_dependence_graph): Declared.
4941         (graphite_build_rdg_all_levels): Declared.
4942         (graphite_test_dependence): Declared.
4943         * Makefile.in (graphite-data-ref.o): New target.
4944
4945 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * Merge from mainline (139870:140164).
4948
4949 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * Merge from mainline (138275:139870).
4952         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
4953         the commits from trunk broke the niter detection.
4954
4955 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4956
4957         * graphite.c: Add more documentation.  Fix formatting.
4958         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4959         loop_iv_stack_debug): Moved...
4960         (schedule_to_scattering): Move before use.
4961         (dot_all_scops): Include in "#if 0" the code for system
4962         call dotty.
4963
4964         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4965         loop_iv_stack_debug): ...here.
4966
4967 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4968
4969         * tree-phinodes.c (make_phi_node): Extern.
4970         (add_phi_node_to_bb): New.
4971         (create_phi_node): Call add_phi_node_to_bb.
4972         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4973         (remove_statement): Handle case where stored phi was updated
4974         and is no longer the same.
4975         * graphite.c (is_parameter): New.
4976         (is_old_iv): New.
4977         (expand_scalar_variables_expr): New.
4978         (expand_scalar_variables_stmt): New.
4979         (expand_scalar_variables): New.
4980         (move_phi_nodes): Create new phi instead of moving old one.
4981         (translate_clast): Call expand_scalar_variables.
4982         (find_vdef_for_var_in_bb): Also scan regular definitions.
4983         (skip_phi_defs): New.
4984         (collect_scop_exit_phi_args): New.
4985         (patch_scop_exit_phi_args): New.
4986         (gloog): Patch phis after scop.
4987         * tree-flow.h: (add_phi_node_to_bb): Declared.
4988         (make_phi_node): Declared.
4989
4990 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4991
4992         * graphite.c (end_scop): Split the entry of the scop when it
4993         is the header of the loop in which the scop is ending.
4994         (build_scops_1, limit_scops): Update uses of end_scop.
4995
4996 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4997
4998         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4999         SCOP_ENTRY or SCOP_EXIT.
5000
5001 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5002
5003         * graphite.c (get_construction_edge): Removed.
5004         (gloog): Construction edge is the scop entry edge.
5005
5006 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5007
5008         * graphite.c (can_generate_for_scop): Removed.
5009         (gloog): Do not call it.
5010
5011 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5012
5013         * graphite.c (new_scop): Entry of a scop is an edge.
5014         Initialize SESE region.
5015         (free_scop): Free SESE region.
5016         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5017         (split_difficult_bb): New, split from end_scop.
5018         (end_scop): Exit of a scop is an edge.
5019         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5020         not automatically updated and thus is always wrong.
5021         * graphite.h (struct sese): New.
5022         (SESE_ENTRY): New.
5023         (SESE_EXIT): New.
5024         (struct scop): New field for a SESE region.  Remove entry, exit.
5025         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5026         semantics as before.  Moved comment around.
5027
5028 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5029             Sebastian Pop  <sebastian.pop@amd.com>
5030
5031         * graphite.c (graphite_transform_loops): Always enable gloog
5032         and find_transform when ENABLE_CHECKING.
5033
5034 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5035
5036         * graphite.c (graphite_transform_loops): Move pretty printer
5037         of SCOPs before doing any transform.  Remove call to print_scops
5038         and dot_all_scops_1.
5039
5040 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5041
5042         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5043         (print_graphite_bb): Same.
5044
5045 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5046
5047         * graphite.c (dot_all_scops_1): Cleanup.
5048         (move_scops): Fix comment.
5049
5050 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5051
5052         * graphite.c (build_scop_bbs): Revert commit 139355:
5053
5054         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5055                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5056
5057                 * graphite.c (build_scop_bbs): Factor up code.
5058
5059 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5060
5061         * graphite.c (gloog): Update dominator info.
5062
5063 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5064
5065         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5066
5067 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5068
5069         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5070         initialization.
5071         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5072         (translate_clast): Correct formatting.
5073         * graphite.h (struct num_map): Removed.
5074         (struct graphite_bb): Remove num_map field.
5075         (GBB_INDEX_TO_NUM_MAP): Removed.
5076
5077 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5078
5079         * graphite.c (build_access_matrix_with_af): Fix comments.
5080         (build_scop_data_accesses): Same.
5081
5082 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5083
5084         * graphite.c (build_scop_data_accesses): Don't construct
5085         access matrices.  Add a FIXME and an assert condition that
5086         should pass when the access matrices will be needed.
5087
5088 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5089
5090         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5091         really_constant_p.
5092         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5093         Moved close by free_graphite_bb.
5094         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5095         (new_scop): Move close by free_scop.
5096         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5097
5098 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5099
5100         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5101         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5102         instead of recursive call.
5103         (graphite_translate_clast_equation): New.
5104         (graphite_create_guard_cond_expr): New.
5105         (graphite_create_new_guard): New.
5106         (get_stack_index_from_iv): Removed.
5107         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5108         (get_true_edge_from_guard_bb): New.
5109         (translate_clast): Handle stmt_guard in clast.
5110         (get_construction_edge): Allow construction edge detection for
5111         a scope entry with multiple predecessors if one predecessor is
5112         the immediate dominator of scope entry.
5113         (can_generate_code_stmt): Enable code generation for clast_guard.
5114         (gloog): Use correct context loop.  Removed check for post dominators.
5115         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5116
5117 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5118
5119         * graphite.c (remove_dead_loops): Document better which
5120         loops are removed.
5121
5122 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5123
5124         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5125         and PPLINC.
5126         (graphite.o): Also depends on pointer-set.h.
5127
5128 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5129
5130         * graphite.c (scop_record_loop): Fix compile warning.
5131
5132 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5133             Sebastian Pop  <sebastian.pop@amd.com>
5134
5135         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5136
5137 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5138
5139         * graphite.c (build_graphite_bb): Initialize bb->aux to
5140         point to the graphite_bb_p.
5141         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5142         content of bb->aux.
5143         (add_bb_domains): Does not use the scop parameter.
5144         (graphite_transform_loops): Clean bb->aux at the end.
5145
5146 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5147             Sebastian Pop  <sebastian.pop@amd.com>
5148
5149         * lib/target-supports.exp
5150         (check_effective_target_fgraphite): New.
5151
5152         * gcc.dg/graphite/graphite.exp: Early exit when
5153         check_effective_target_fgraphite returns false.
5154         Set dg-do-what-default to compile.
5155         (scan-graphite-dump-times): Removed.
5156         * gfortran.dg/graphite/graphite.exp: Same.
5157
5158         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5159         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5160         * gcc.dg/graphite/scop-1.c: Same.
5161         * gcc.dg/graphite/scop-2.c: Same.
5162         * gcc.dg/graphite/scop-3.c: Same.
5163         * gcc.dg/graphite/scop-4.c: Same.
5164         * gcc.dg/graphite/scop-5.c: Same.
5165         * gcc.dg/graphite/scop-6.c: Same.
5166         * gcc.dg/graphite/scop-7.c: Same.
5167         * gcc.dg/graphite/scop-8.c: Same.
5168         * gcc.dg/graphite/scop-9.c: Same.
5169         * gcc.dg/graphite/scop-10.c: Same.
5170         * gcc.dg/graphite/scop-11.c: Same.
5171         * gcc.dg/graphite/scop-12.c: Same.
5172         * gcc.dg/graphite/scop-13.c: Same.
5173         * gcc.dg/graphite/scop-matmult.c: Same.
5174         * gcc.dg/graphite/scop-14.c: Same.
5175         * gcc.dg/graphite/scop-15.c: Same.
5176         * gcc.dg/graphite/block-0.c: Same.
5177         * gcc.dg/graphite/scop-16.c: Same.
5178         * gcc.dg/graphite/block-1.c: Same.
5179         * gcc.dg/graphite/scop-17.c: Same.
5180         * gcc.dg/graphite/scop-18.c: Same.
5181         * gfortran.dg/graphite/block-1.f90: Same.
5182         * gfortran.dg/graphite/scop-1.f: Same.
5183         * gfortran.dg/graphite/block-2.f: Same.
5184
5185 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5186
5187         * graphite.c: Fix some XXX comments.
5188         (build_scop_dynamic_schedules): Removed.
5189
5190 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5191
5192         * graphite.h (scop_max_loop_depth): Moved...
5193         * graphite.c (scop_max_loop_depth): ...here.
5194         (remove_all_edges_1): New.
5195         (remove_all_edges): Factored code.
5196         (remove_cond_exprs): Check only the last statement for
5197         a GIMPLE_COND expression.
5198
5199 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5200
5201         * graphite.c (scan_tree_for_params): Early return when the
5202         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5203         (find_scop_parameters): Factor out code.
5204         (graphite_trans_bb_strip_mine): Remove dead code.
5205
5206 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5207
5208         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5209         graphite_trans_bb_move_loop): Factor asserts.
5210         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5211         Do not call calculate_dominance_info and estimate_bb_frequencies.
5212
5213 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5214
5215         * graphite.c (create_loops_mapping, free_loops_mapping,
5216         create_loops_mapping_num, debug_loop_mapping_1,
5217         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5218         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5219         graphite_loops_mapping_add_child_num,
5220         graphite_loops_mapping_insert_child,
5221         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5222         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5223         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5224         create_num_from_index, get_num_from_index,
5225         swap_loop_mapped_depth): Removed.
5226         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5227         (free_scop): Do not call free_loops_mapping.
5228         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5229         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5230         get_loop_mapped_depth.
5231         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5232         (graphite_trans_bb_strip_mine): Same.
5233         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5234         (struct scop): Remove field loops_mapping.
5235
5236 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5237             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5238
5239         * graphite.c (scop_record_loop): Factor out one level of the
5240         condition by early return.
5241         (build_scop_loop_nests): Format following FSF coding style.
5242         (build_scop_dynamic_schedules): Factor out code.
5243         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5244
5245 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5246             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5247
5248         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5249         assignments that are not handled as simple operands for now.
5250
5251 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5252             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5253
5254         * graphite.c (build_scop_bbs): Factor up code.
5255
5256 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5257             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5258
5259         * graphite.c (stmt_simple_for_scop_p): Factor code out
5260         of the loop.
5261         (enum gbb_type): New.  Group all the GBB_* types under it.
5262         (is_loop_exit): Moved...
5263         (end_scop): Enable BB spliting.
5264         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5265         * cfgloop.h (is_loop_exit): Declared.
5266
5267 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5268
5269         * doc/invoke.texi: Remove strides from examples containing
5270         DO loops when the strides are equal to 1.
5271
5272 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5273             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5274
5275         * graphite.c (graphite_trans_scop_block): Or the result with
5276         the result from graphite_trans_loop_block.
5277         * gcc.dg/graphite/block-1.c: New.
5278         * gfortran.dg/graphite/block-1.f90: New.
5279         * gfortran.dg/graphite/block-2.f: New.
5280
5281 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         * graphite.c (graphite_transform_loops): Call cloog_initialize
5284         and cloog_finalize.
5285
5286 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5287
5288         * tree-data-ref.c) (stmt_simple_memref_p): New.
5289         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5290         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5291         (is_simple_operand): Call stmt_simple_memref_p.
5292
5293         * gcc.dg/graphite/scop-matmult.c: Updated for not
5294         using pointer arithmetic, as this is optimized by PRE and
5295         makes the code too difficult to analyze.
5296
5297         * gcc.dg/graphite/scop-18.c: Same.
5298
5299 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5300
5301         * gdbinit.in (pgg): New.
5302
5303 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5304
5305         * graphite.c (graphite_trans_loop_block): Fix warning.
5306
5307 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5308
5309         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5310
5311 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5312
5313         * graphite.c (graphite_trans_bb_block): Remove check for
5314         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5315         Check if loop blocking is profitable for every loop, before applying
5316         the changes.
5317         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5318         if flag_loop_block is set.
5319
5320 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5321
5322         * graphite.c: Add some more documentation for the loop
5323         mapping.
5324
5325 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5326
5327         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5328         * graphite.c: Format on less than 80 columns.
5329         * graphite.h: Same.
5330
5331 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5332
5333         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5334
5335 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5336
5337         * doc/invoke.texi (floop-block, floop-strip-mine,
5338         floop-interchange): Update documentation with examples.
5339
5340 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5341
5342         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5343         add_referenced_var.
5344         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5345
5346 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5347
5348         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5349         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5350         * tree-scalar-evolution.c: Revert useless changes.
5351         * tree-phinodes.c: Same.
5352         * cfghooks.c: Same.
5353         * vec.h: Same.
5354         * tree-vectorizer.h: Same.
5355         * tree-flow.h: Same.
5356         * tree-cfg.c: Same.
5357         * common.opt (fgraphite): Update documentation.
5358
5359 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5360
5361         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5362         -floop-interchange): Add more text for explaining what each of these
5363         flags is doing.
5364         * tree-into-ssa.c (gimple_vec): Moved to...
5365         * graphite.c: Include gimple.h.
5366         (gimple_vec): Moved to...
5367         (del_loop_to_cloog_loop): Removed.
5368         (loop_affine_expr): Do not call create_data_ref when the
5369         operand is a constant.
5370         (new_scop): Use free instead of del_loop_to_cloog_loop.
5371         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5372         * gimple.h (gimple_vec): ... here.
5373
5374 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5375
5376         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5377         latch executions.
5378         (build_loop_iteration_domains): Fail, if latch executions unknown.
5379
5380 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5381
5382         * graphite.c (add_conditions_to_domain): New.
5383         (build_scop_conditions_1): Call add_conditions_to_domain.
5384         (set_cloog_options): Allow to disable optimizations.
5385
5386 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5387
5388         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5389         Do not use walk_dominator_tree.
5390         (find_scop_parameters): Do not use walk_dominator_tree.
5391
5392 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5393
5394         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5395         (idx_record_params): Adapt.
5396         * graphite.h (scop_gimple_loop_depth): New.
5397
5398 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5399
5400         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5401         (scan_tree_for_params): Remove value_init.
5402         (build_scop_context): Remove value_init.
5403         (build_loop_iteration_domains): Remove value_init.
5404         (schedule_to_scattering): Remove value_init.
5405         (graphite_trans_bb_strip_mine): Remove value_init.
5406
5407 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5408
5409         * gcc/graphite.c (limit_scops): New.
5410         (graphite_transform_loops): Add limit SCoPs.
5411         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5412         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5413         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5414         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5415         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5416         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5417         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5418         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5419         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5420         Change loop numbers.
5421         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5422         Change loop numbers.
5423         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5424         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5425         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5426         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5427         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5428         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5429         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5430         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5431         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5432         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5433
5434 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5435
5436         * graphite.c (graphite_transform_loops): Call always find_transform.
5437
5438 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5439
5440         * graphite.c (free_loops_mapping): New.
5441         (stmt_simple_for_scop_p): Fix typo.
5442         (stmt_simple_for_scop_p): Fix tuples functions, that
5443         broke polyhedron.
5444         (free_graphite_bb): Fix some memleaks.
5445         (free_scop): Fix some memleaks.
5446         (scopdet_bb_info): Do not forget some tmp SCoPs.
5447         (find_params_in_bb): Fix some memleaks.
5448         (clast_to_gcc_expression): Fix warning.
5449
5450 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5451
5452         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5453         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5454
5455 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5456
5457         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5458         Move code ifdef-ed HAVE_cloog...
5459         * graphite.c: Include toplev.h.
5460         ... here.
5461         * Makefile.in (OBJS-common): Always build graphite.o.
5462         (BACKEND): Remove @GRAPHITE@.
5463         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5464         (graphite.o): Depend on TOPLEV_H.
5465
5466 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5467
5468         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5469         Remove typo left from polylib to ppl conversion.
5470         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5471
5472 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5473
5474         * toplev.c (process_options): Move the graphite loop optimization
5475         flags...
5476         * tree-ssa-loop.c (graphite_transforms): ... here.
5477         When not configured with CLooG, print to dump_file that
5478         Graphite transforms were not performed.
5479         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5480         New.
5481         * gcc.dg/graphite/*.c: Updated all testcases to use
5482         scan-graphite-dump-times.
5483
5484 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5485
5486         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5487         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5488
5489 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5490             Jan Sjodin  <jan.sjodin@amd.com>
5491
5492         * configure: Regenerated.
5493         * omp-low.c (expand_omp_sections): Remove now unused code.
5494         * config.in (HAVE_polylib): Removed.
5495         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5496         (PPLLIBS, PPLINC): Added.
5497         * graphite.c: Replace unsigned with int wherever possible.
5498         Don't access Cloog's data structures, but use accessor functions.
5499         Clast's stmt->type is now implemented as a vtable: change the
5500         switches of stmt->type into ifs.
5501         (polylib/polylibgmp.h): Don't include.
5502         (initialize_dependence_polyhedron,
5503         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5504         statement_precedes_p, test_dependence, build_rdg_all_levels,
5505         dump_dependence_graph): Removed until this code is cleaned up
5506         or ported to Cloog.
5507         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5508         (POLYLIBINC): Renamed PPLINC.
5509
5510 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5511             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5512             Jan Sjodin  <jan.sjodin@amd.com>
5513
5514         Finish the merge and tuplification of graphite.
5515
5516 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5517             Jan Sjodin  <jan.sjodin@amd.com>
5518
5519         Partial merge from mainline (138072:138275).
5520         * graphite.c still has to be tuplified.
5521
5522 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5523
5524         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5525         (create_num_from_index): New.
5526         (get_num_from_index): Also pass in the graphite BB.
5527         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5528         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5529         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5530         (is_interchange_valid): Return false when failing.
5531         * graphite.h (struct num_map): New.
5532         (struct graphite_bb): New field num_map.
5533         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5534
5535 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5536
5537         * graphite.c (dump_gbb_conditions): Print also conditions like
5538         "if (a)".  Remove dublicated code and use print_generic_expr ().
5539         (stmt_simple_for_scop_p): Only allow conditions we can handle
5540         {<, <=, >, >=}.
5541
5542 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5543
5544         * graphite.h (struct scop): Removed new_ivs field.
5545         (SCOP_NEWIVS): Deleted.
5546         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5547         clast_to_gcc_expression, graphite_create_new_loop):
5548         Removed use of new_ivs.
5549
5550 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5551
5552         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5553         create_loops_mapping_num, debug_loop_mapping_1): New.
5554         (debug_loop_mapping): Call debug_loop_mapping_1.
5555         (get_loop_mapping_for_num,
5556         graphite_loops_mapping_add_child,
5557         graphite_loops_mapping_add_child_num,
5558         graphite_loops_mapping_insert_child,
5559         graphite_loops_mapping_parent,
5560         split_loop_mapped_depth_for_num,
5561         loop_mapped_depth_split_loop): New.
5562         (increment_loop_mapped_depths): Removed.
5563         (swap_loop_mapped_depth_for_num): Reimplemented.
5564         (new_scop): Call create_loops_mapping.
5565         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5566         (translate_clast): Pass the old loop father in parameter, and pass
5567         it to get_old_iv_from_ssa_name.
5568         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5569         can_generate_code, can_generate_for_scop): New.
5570         (graphite_trans_bb_block): Returns false when it fails to transform.
5571         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5572
5573 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5574
5575         Reverted all the changes related to the streamization and
5576         loop fusion.
5577         These changes are now tracked in the streamization branch.
5578
5579 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5580             Jan Sjodin  <jan.sjodin@amd.com>
5581
5582         * graphite.c (gbb_compare): Correctly constify.
5583         (gbb_can_be_ignored): Indent.
5584         (graphite_trans_scop_swap_1and2): Add legality check.
5585         Remove dead FIXMEs.
5586
5587 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5588
5589         Remove fallouts from "Reverted the Condate changes".
5590         * tree.h: Remove unused decl.
5591         * gcc.dg/tree-checker: Same.
5592         * timevar.def: Remove counter.
5593
5594 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5595
5596         * Merge from mainline (135673:138072).
5597
5598         Reverted the MIRO changes (from 2008-04-05) that are now
5599         tracked in the miro branch.
5600         * tree-bounds.c: Removed.
5601         * tree-bounds.h: Removed.
5602
5603         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5604         are now tracked in the condate branch.
5605         * tree-check.c: Removed.
5606         * tree-match.c: Removed.
5607         * condate.y: Removed.
5608
5609 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5610
5611         * common.opt: New user flag -floop-block, -floop-strip-mine
5612         and -floop-interchange.
5613         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5614         graphite loop optimization flags is turned on.
5615         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5616         flag_loop_strip_mine and flag_loop_interchange checks before
5617         optimizations.
5618         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5619         -floop-strip-mine and -floop-interchange.
5620         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5621         -fgraphite.
5622         * gcc.dg/graphite/scop-16.c: Ditto.
5623         * gcc.dg/graphite/scop-17.c: Ditto.
5624         * gcc.dg/graphite/scop-18.c: Ditto.
5625
5626 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5627             Sebastian Pop  <sebastian.pop@amd.com>
5628
5629         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5630         (create_empty_loop_on_edge): More fixes.
5631         * tree-phinodes.c (resize_phi_node): Extern.
5632         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5633         * cfghooks.c (update_dominator_information): New split from
5634         split_edge.
5635         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5636         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5637         successor of the function entry block.
5638
5639         * graphite.c: Include pointer-set.h.
5640         (debug_loop_mapping, increment_loop_mapped_depths,
5641         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5642         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5643         swap_loop_mapped_depth_for_num, get_num_from_index,
5644         swap_loop_mapped_depth, loop_iv_stack_debug,
5645         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5646         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5647         get_old_iv_from_ssa_name): New.
5648         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5649         (free_scop): Free SCOP_LOOPS_MAPPING.
5650         (scop_record_loop): Record old ivs.
5651         (create_var_name): Removed.
5652         (initialize_cloog_names): Allocate double space in case strip mine
5653         applies to all loops once.
5654         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5655         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5656         translation.
5657         (graphite_create_new_loop): Pass in ivstack.
5658         (remove_all_edges): Pass in the construction_edge.
5659         (graphite_remove_iv): Removed.
5660         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5661         remove_cond_exprs): Rewritten.
5662         (move_phi_nodes): New.
5663         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5664         (translate_clast): Pass in ivstack.  Rewrite some cases.
5665         (set_cloog_options, debug_clast_stmt): New.
5666         (find_transform): Use set_cloog_options.
5667         (outermost_loop_layer): Removed.
5668         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5669         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5670         mark_old_loops, remove_dead_loops): New.
5671         (gloog): Rewritten.
5672         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5673         (const_column_index, get_first_matching_sign_row_index,
5674         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5675         get_upper_bound): New.
5676         (graphite_trans_bb_strip_mine): Also update the iv map.
5677
5678         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5679         (struct name_tree): Add a loop field.
5680         (struct scop): Add a graphite_loops_mapping field.
5681         (SCOP_LOOPS_MAPPING): New.
5682         (debug_clast_stmt): Declare.
5683         * lambda.h (find_induction_var_from_exit_cond): Declare.
5684         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5685         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5686         (create_empty_loop_on_edge): Updated.
5687         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5688         rename_variables_in_bb): Declare.
5689         * tree-cfg.c (remove_bb): Extern.
5690
5691         * gcc.dg/graphite/block-0.c: New.
5692
5693 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5694             Sebastian Pop  <sebastian.pop@amd.com>
5695
5696         * graphite.c (strip_mine_profitable_p): New.
5697         (graphite_trans_bb_block): Disable strip mining if not profitable.
5698
5699         * gcc.dg/graphite/scop-18.c: New.
5700         * gcc.dg/graphite/scop-17.c: Fixed.
5701         * gcc.dg/graphite/scop-16.c: Fixed.
5702
5703 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5704             Jan Sjodin  <jan.sjodin@amd.com>
5705             Sebastian Pop  <sebastian.pop@amd.com>
5706
5707         * graphite.c (is_interchange_valid): New.
5708         (graphite_trans_bb_block): Check loop nest of basic block for legality
5709         of interchange.
5710
5711         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5712         outer_most_loop, gbb_outer_most_loop_index): New.
5713
5714         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5715         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5716         * gcc.dg/graphite/scop-16.c: New.
5717         * gcc.dg/graphite/scop-17.c: New.
5718
5719 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5720
5721         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5722         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5723
5724 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5725
5726         * graphite.c (new_scop): Initialize SCOP_EXIT.
5727         (scopdet_info): Add.
5728         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5729         (build_scops_1): Cleanup, bugfixes.
5730         (build_scops): Cleanup.
5731
5732         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5733         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5734
5735 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5736
5737         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5738
5739         * gfortran.dg/graphite/graphite.exp: Use
5740         DEFAULT_GRAPHITE_FLAGS.
5741
5742         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5743
5744 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5745
5746         * graphite.c (scan_tree_for_params): Do not assert any more if
5747         MULT_EXPR parameter is negative.
5748
5749         * gfortran.dg/graphite/scop-1.f: New.
5750
5751         * gfortran.dg/graphite/graphite.exp: New.
5752
5753         * gcc.dg/graphite/scop-15.c: New.
5754
5755 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5756
5757         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5758
5759 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5760
5761         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5762         graphite_swap_loops.
5763         (graphite_trans_bb_move_loop): New.
5764         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5765         (graphite_trans_bb_block): New.
5766         (graphite_trans_loop_block): New.
5767         (graphite_trans_scop_swap_1and2): Rename from
5768         graphite_trans_swap_1and2.
5769         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5770         (graphite_trans_scop_block): New.
5771         (graphite_apply_transformations): Rename from
5772         graphite_transformations.
5773
5774         * gcc.dg/graphite/scop-matmult.c: New.
5775
5776 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5777
5778         * graphite.c (gbb_compare): New.
5779         (graphite_sort_gbbs): New.
5780         (gbb_can_be_ignored): New.
5781         (scop_remove_ignoreable_gbbs): New.
5782         (graphite_transformations): Cleanup and add
5783         scop_remove_ignoreable_gbbs.
5784         * lambda.h (lambda_vector_compare): New.
5785
5786 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5787
5788         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5789         (graphite_swap_loops): int -> unsigned
5790         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5791         (graphite_transformations): New.
5792         (graphite_transform_loops): Move to graphite_transformations.
5793         * graphite.h (gbb_nb_loops): Return unsigned.
5794
5795 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5796
5797         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5798         the domain matrix.  This makes scop-0.c work again.
5799
5800 2008-06-20  Richard Guenther  <rguenther@suse.de>
5801
5802         * graphite.h: Adjust copyright to GPLv3.
5803         * graphite.c: Likewise.
5804         (stmt_simple_memref_for_scop_p): Split out from ...
5805         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5806         and simplify.
5807         (get_bb_type): Optimize.
5808         (is_pred): Remove.
5809         (is_bb_addable): Fix memleak, replace is_pred call with
5810         single_pred.
5811         (build_scops): Use current_loops.
5812         (param_index): Fix memleak.
5813
5814 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5815
5816         * graphite.c: Fix formatting.
5817
5818 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5819
5820         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5821         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5822         (create_var_name, save_var_name): Newly defined functions.
5823         (initialize_cloog_names): Part of the code factored out to
5824         save_var_name.
5825         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5826         in clast_reduction statement.
5827         (graphite_create_new_loop): Now takes a new parameter
5828         for outer_loop.
5829         (translate_clast): Now also takes the context_loop and bb_exit
5830         parameters. Rewritten the code so that it creates a gimple code
5831         inside the given context.
5832         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5833         remove_cond_expr, disconnect_cond_expr,
5834         disconnect_virtual_phi_nodes): Newly defined functions.
5835         * graphite.h (struct scop): added old_ivs vector.
5836         SCOP_OLDIVS: New macro.
5837
5838 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5839
5840         * cfgloopmanip.c: Add missing function comments, fix formatting.
5841
5842 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5843
5844         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5845         (create_empty_loop_on_edge): Defined.
5846         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5847         instead of void.
5848         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5849         (update_dominators_in_loop): Declared as extern
5850         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5851
5852 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5853
5854         * graphite.c (print_graphite_bb): Allow changing number of loops
5855         in SCoP domain.
5856         (initialize_cloog_names): Allow changing number of loops.
5857         (build_cloog_prog): Simplify.
5858         (find_transform): Enable cloog option --strides.
5859         (graphite_swap_loops): New.
5860         (graphite_strip_mine_loop): New.
5861         (graphite_trans_swap_1and2): New.
5862         (graphite_trans_strip): New.
5863         (graphite_transform_loops): Add graphite_trans_strip.
5864         * graphite.h (scop_max_loop_depth): New.
5865
5866 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5867
5868         * graphite.c (build_scop_iteration_domain): Remove forgotten
5869         line. (Fixes compile)
5870
5871 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5872
5873         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5874         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5875         (build_bb_loops): New.
5876         (graphite_transform_loops): Add build_bb_loops.
5877         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5878         numbers.
5879         * graphite.h (graphite_bb): Add loops.
5880         (gbb_nb_loops): New.
5881         (gbb_loop_at_index): New.
5882         (gbb_loop_index): New.
5883         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5884         using nb_params_in_scop.
5885
5886 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5887
5888         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5889         (build_scop_canonical_schedules): Build minimized schedule.
5890         (schedule_to_scattering): Adapt to minimized schedule.
5891         * graphite.h (graphite_bb): Add/Update descriptions.
5892
5893 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5894             Tobias Grosser  <grosser@fim.uni-passau.de>
5895
5896         * graphite.c (print_graphite_bb): Add condition printing.
5897         (dump_value): New.
5898         (dump_gbb_conditions): New.
5899         (build_scop_conditions_1): New.
5900         (build_scop_conditions): New.
5901         * graphite.h (graphite_bb): Add conditions.
5902
5903 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5904
5905         * graphite.c (print_graphite_bb):
5906         (free_graphite_bb): New.
5907         (free_scop): Free bbs.
5908         (get_bb_type): Free doms.
5909         (build_scop_context): Free context matrix.
5910         (build_loop_iteration_domains): Remove unused code.
5911         (build_cloog_prog): Free scattering function and blocklist.
5912         (find_transform): Free options.
5913
5914 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5915
5916         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5917         Remove unnecessery cloog data structures. Make a copy of the domain
5918         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5919         unnecessary cloog data structures. Fix memory leaks. Remove insert
5920         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5921         used.
5922         (build_scop_iteration_domain): Remove unnecessary cloog
5923         data structures.  Fix memory leaks.
5924         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5925         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5926
5927 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5928
5929         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5930
5931 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5932
5933         * graphite.c (end_scop): Style fix.
5934         (schedule_to_scattering): Style and comment fix.
5935
5936 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5937         * graphite.c (print_graphite_bb): Fix definiton of
5938         schedule_to_scattering.
5939         (initialize_cloog_names): Change nb_scattdims to max loop
5940         depth in SCoP.
5941         (schedule_to_scattering): Take parameter for number of scattering
5942         dimensions.
5943         (build_cloog_prog): Only build as much scattering dimensions as
5944         necessary.
5945
5946 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5947
5948         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5949         in polyhedron/aermod.f90.
5950
5951 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5952             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5953             Harsha Jagasia  <harsha.jagasia@amd.com>
5954
5955         * graphite.c (is_bb_addable): Fix segfault.
5956
5957 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5958
5959         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5960         with multiple exits and conditional handling in edge cases.
5961         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5962
5963         * gcc.dg/graphite/scop-14.c: New.
5964
5965 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5966             Adrien Eliche  <aeliche@isty.uvsq.fr>
5967
5968         * graphite.c (is_bb_addable): Add more comments and enhance
5969         readablity of the source code. Fix memory leak.
5970         (is_loop_exit): Fix memory leak.
5971
5972 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5973
5974         * graphite.c (first_loop_in_scop): Deleted.
5975         (setup_cloog_loop): Only walk the loop chain for inner loops.
5976         (build_scop_iteration_domain): Execute setup_cloog_loop for
5977         all loops in the first layer.
5978
5979 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5980
5981         * graphite.c (scan_tree_for_params): Change the way params are
5982         added to be indepenent of the number of loops.
5983         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5984         handling.
5985         (build_cloog_prog): Revert to short matrix format.
5986
5987 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5988             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5989
5990         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5991         warning.
5992
5993 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5994
5995         * graphite.c (nb_data_refs_in_scop): New.
5996         (graphite_transform_loops): Print more stats: number of
5997         loops, basic blocks and data references per scop.
5998
5999 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6000             Jan Sjodin  <jan.sjodin@amd.com>
6001
6002         * graphite.c (loop_affine_expr, idx_record_params,
6003         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6004         instead of instantiate_parameters.
6005
6006 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6007
6008         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6009         add support for parameters, add STATIC_SCHEDULE at the right places,
6010         cleanup.
6011
6012 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6013
6014         * graphite.c (build_scop_loop_nests): Only add the loops, that
6015         are contained completely in the SCoP.
6016         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6017         and the domains are fixed.
6018         (build_scop_canonical_schedules): Add support for bbs not contained
6019         in any SCoP.
6020
6021 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6022
6023         * graphite.h (scop_contains_loop): Update comments to match
6024         the actual behavior.
6025         (scop_contains_loop): New.
6026         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6027
6028 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6029
6030         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6031         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6032         as GBB_COND_HEADER.
6033
6034 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6035             Tobias Grosser  <grosser@fim.uni-passau.de>
6036
6037         * graphite.c (graphite_transform_loops): Early return when
6038         there are no loops in the function.
6039
6040 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6041             Jan Sjodin  <jan.sjodin@amd.com>
6042
6043         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6044         offset of the last loop.
6045         (setup_cloog_loop): Copy the entire outer constraint matrix.
6046
6047 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6048             Jan Sjodin  <jan.sjodin@amd.com>
6049
6050         * graphite.c (stmt_in_scop_p, function_parameter_p,
6051         invariant_in_scop_p): Removed.
6052         (scan_tree_for_params): Can be used with no constraint
6053         matrix for gathering parameters.
6054         (idx_record_params): Don't use idx_record_param, instead use
6055         scan_tree_for_params.
6056         (find_scop_parameters): Same.
6057         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6058         Fix the size of loop domains.
6059         (schedule_to_scattering): Exit when the outer loop is not in scop.
6060         (find_transform): Enable build_cloog_prog.
6061
6062 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6063             Jan Sjodin  <jan.sjodin@amd.com>
6064
6065         * graphite.c (schedule_to_scattering): Make scattering domains
6066         uniformly of the same size, as required by CLooG 0.14.0 and before.
6067
6068 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6069             Jan Sjodin  <jan.sjodin@amd.com>
6070
6071         * graphite.c (schedule_to_scattering): Rewrite, correct the
6072         translation of the scheduling function to scattering.
6073         (build_cloog_prog): Call schedule_to_scattering only once.
6074         * graphite.h (scop_loop_index): Do not fail for loops not
6075         in the scop: return -1.
6076
6077 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6078
6079         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6080         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6081         (setup_cloog_loop): Export GBB_DOMAIN.
6082         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6083         able to rebuild the original control flow.
6084         * graphite.h (graphite_bb): Add domain field and access macro.
6085         (GBB_DOMAIN): New.
6086
6087 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6088
6089         * graphite.c (debug_gbb): New.
6090         (print_scop, build_graphite_bb): Use SCOP_BBS.
6091         (build_scop_bbs): Reimplemented.
6092         (dfs_bb_in_scop_p): Removed.
6093         (build_scop_loop_nests): Reorder loops inserted in
6094         SCOP_LOOP_NEST: outer loops should come first.
6095         (build_scop_canonical_schedules): Reinitialize at zero
6096         the components of the SCOP_STATIC_SCHEDULE for the loops
6097         that have already been parsed.
6098
6099         * graphite.h (debug_gbb): Declared.
6100
6101 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6102             Jan Sjodin  <jan.sjodin@amd.com>
6103
6104         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6105         (graphite_loop_to_gcc_loop): Removed.
6106         (remove_all_edges): New.
6107         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6108         (gloog): Remove useless code.
6109
6110 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6111
6112         * graphite.c (get_bb_type): Reworked. We distinguish between
6113         loops with one or multiple exits.
6114         (is_loop_exit): New.
6115         (is_pred): New.
6116         (is_bb_addable): Rework condition handling, now support for case
6117         case statements and loops with multiple exits.
6118
6119         * gcc.dg/graphite/scop-11.c: New.
6120         * gcc.dg/graphite/scop-12.c: New.
6121         * gcc.dg/graphite/scop-13.c: New.
6122
6123 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6124
6125         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6126         we have too many colors.
6127
6128 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6129
6130         * doc/invoke.texi (-ftree-loop-fusion): Document.
6131         * tree-pass.h (pass_loop_fusion): Declared.
6132         * tree-loop-fusion.c: New.
6133         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6134         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6135         * tree-data-ref.h (find_data_references_in_loop): Declared.
6136         * common.opt (ftree-loop-fusion): Declared.
6137         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6138
6139 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6140
6141         * graphite.c (build_access_matrix): Fix typo from the merge.
6142
6143 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6144
6145         * Merge from mainline (130800:135673).
6146
6147 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6148
6149         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6150         Update dominators after splitting.
6151
6152 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6153
6154         * graphite.c (is_bb_addable): Return the harmful statement.
6155         Factor up some code.
6156         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6157         (build_scops_1): Call end_scop.
6158
6159 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6160
6161         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6162         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6163         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6164         build_scops_1): Removed.
6165         (build_scops_2): Renamed build_scops_1.
6166
6167 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6168
6169         * graphite.c: Fix formatting.
6170
6171 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6172
6173         * graphite.c (get_bb_type): New.
6174         (move_scops): New.
6175         (build_scops_2): New.
6176         (is_bb_addable): New.
6177         (build_scops): Switch the scop detection.
6178         (build_scop_bbs): Add entry bb to scop.
6179         * graphite.h (struct scop): Update comment.
6180
6181 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6182
6183         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6184         more colors.
6185
6186 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6187
6188         * gcc.dg/graphite/scop-1.c: Update.
6189         * gcc.dg/graphite/scop-2.c: Update.
6190         * gcc.dg/graphite/scop-4.c: Update.
6191         * gcc.dg/graphite/scop-5.c: Add.
6192         * gcc.dg/graphite/scop-6.c: Add.
6193
6194 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6195
6196         * gcc.dg/graphite/scop-0.c: Add.
6197         * gcc.dg/graphite/scop-7.c: Add.
6198         * gcc.dg/graphite/scop-8.c: Add.
6199         * gcc.dg/graphite/scop-9.c: Add.
6200         * gcc.dg/graphite/scop-10.c: Add.
6201
6202 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6203
6204         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6205         Check affine expressions depending on the outermost loop
6206         instead of a scop.
6207         (stmt_simple_for_scop_p): Same.
6208         (harmfule_stmt_in_scop): Same.
6209
6210 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6211
6212         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6213         mark entry and exit, that are not part of the SCoP and update HTML
6214         formatting.
6215
6216 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6217
6218         * graphite.c (basic_block_simple_for_scop_p): Renamed
6219         harmful_stmt_in_bb.
6220         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6221         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6222         (all_preds_visited_p, all_succs_visited_p,
6223         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6224         scop_end_loop): New.
6225         (build_scops): Do not use dfs_enumerate_from.
6226
6227         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6228
6229 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6230
6231         * graphite.c: Add comments to functions that are missing a
6232         description.
6233         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6234
6235 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6236
6237         * graphite.c (nb_params_in_scop): Moved...
6238         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6239         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6240         (clast_to_gcc_expression): Reduce column size to less than 80.
6241         (graphite_create_iv): Return the new name of the IV.
6242         (find_transform): Set options->esp and options->cpp.
6243         (gloog): Comment out the invalidation of the old loop code.
6244         (initialize_dependence_polyhedron): Replace scop_nb_params with
6245         nb_params_in_scop.
6246
6247         * graphite.h (nb_params_in_scop): ... here.
6248         (scop_nb_params): Removed.
6249         (loop_domain_dim): Return something even when the loop was not
6250         found in the hash table: avoid ICEing on all the graphite.exp
6251         testcases.
6252
6253 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6254
6255         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6256
6257         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6258         according to nesting level.
6259         (find_scop_parameters): Call instantiate_parameters.
6260         (scan_tree_for_params): Extend it to handle general affine bounds.
6261         Inner loop bound can depend on outer loop induction variable.
6262         (setup_cloog_loop): tmp variable is allocated on stack. Call
6263         instantiate_parameters with respect to outermost_loop_in_scop.
6264         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6265         graphite.h.
6266         (create_empty_loop): Function loopify should be given edge
6267         probability, instead of edge frequency. Dominance relation from
6268         switch_bb to loop_header.
6269         (clast_to_gcc_expression): Added handling of clast_reduction node.
6270         (gloog): New functionality for removing old loop.
6271         (test_dependence): Factored out from build_rdg_all_levels.
6272         (build_rdg_all_levels): Dependence testing factored out to
6273         test_dependence function.
6274
6275         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6276         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6277         from graphite.c
6278
6279 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6280
6281         * graphite.c (free_scop, param_index, initialize_cloog_names,
6282         nb_params_in_scop): Use name_tree map instead of just a tree
6283         for keeping track of the variable name associated to that tree.
6284         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6285         clast_to_gcc_expression, graphite_create_iv,
6286         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6287         graphite_stmt_to_gcc_stmt): New.
6288         (gloog): Call these.
6289         * graphite.h (struct name_tree): New.
6290         (struct scop): Use name_tree instead of tree for params.
6291         Store a vector of name_tree for new_ivs.
6292         (SCOP_NEWIVS): New.
6293         (scop_nb_params): Use name_tree instead of tree.
6294
6295 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6296             Sebastian Pop  <sebastian.pop@amd.com>
6297
6298         * tree-bounds.c: New.
6299         * tree-bounds.h: New.
6300         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6301         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6302         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6303         flag_mudflap.
6304         * gcc.c: Same.
6305         * toplev.c: Same.
6306         * c-cppbuiltin.c: Same.
6307         * c-pragma.c: Same.
6308         * common.opt: Same.
6309         * varasm.c: Same.
6310         * tree-outof-ssa.c: Same.
6311         * c-common.c: Same.
6312         * Makefile.in: Same.
6313
6314 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6315             Sebastian Pop  <sebastian.pop@amd.com>
6316
6317         * tree-loop-distribution.c (remaining_stmts,
6318         upstream_mem_writes): Removed static variables.
6319         (copy_loop_before, create_bb_after_loop,
6320         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6321         rdg_build_components, rdg_build_partitions,
6322         dump_rdg_partitions): Extern.
6323         (generate_loops_for_partition, generate_code_for_partition): Do not
6324         return a bool.
6325         (already_processed_vertex_p, predecessor_has_mem_write,
6326         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6327         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6328         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6329         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6330         Pass remaining_stmts and upstream_mem_writes as parameters.
6331         (rdg_component): Moved...
6332         (build_rdg_partition_for_component): Do not aggregate components when
6333         flag_streamize_loops is set.
6334         (gen_sequential_loops): New.
6335         (ldist_gen): Call gen_sequential_loops.
6336
6337         * tree-pass.h (pass_loop_streamization): Declared.
6338
6339         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6340         basic blocks when loops structures exist.
6341
6342         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6343
6344         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6345
6346         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6347         eliminate_local_variables_stmt, eliminate_local_variables,
6348         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6349         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6350         of code delimited by two edges in the CFG.
6351         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6352         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6353         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6354         the case of parallelisation of reductions.
6355         (create_loop_fn): Extern.
6356         (create_omp_parallel_region): New.
6357
6358         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6359         dump_data_reference for printing dra and drb.
6360         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6361         RDGE_RELATION.
6362         (build_rdg): Don't call free_dependence_relations for the moment, as
6363         we attach dependence relations on each edge of the RDG.
6364         To be fixed later.
6365
6366         * tree-data-ref.h (rdg_component): ...here.
6367         (struct rdg_edge): New field ddr_p relation.
6368         (RDGE_RELATION): New.
6369         (create_bb_after_loop, copy_loop_before,
6370         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6371         rdg_build_partitions, dump_rdg_partitions,
6372         free_rdg_components): Declared.
6373
6374         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6375         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6376
6377         * tree-loop-streamization.c: New.
6378
6379         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6380         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6381
6382         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6383
6384         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6385
6386         * passes.c: Schedule pass_loop_streamization.
6387
6388 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6389
6390         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6391         update comment.
6392
6393 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6394
6395         * graphite.c (dot_all_scops): Update formatting.
6396         Bbs can now be part of more than one SCoP.
6397
6398 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6399
6400         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6401         malloc problems.
6402         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6403         * graphite.h (loop_to_cloog_loop): New.
6404
6405 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6406
6407         * graphite.c (loop_domain_dim, ref_nb_loops,
6408         loop_iteration_vector_dim): New.
6409         (build_access_matrix_with_af, build_access_matrix,
6410         initialize_dependence_polyhedron): Fixed for new matrix layout.
6411         No longer assume that all iteration domains are of the same
6412         dimensionality.
6413
6414 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6415
6416         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6417         defined in a loop at depth 0 is invariant.
6418         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6419         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6420         be called at loop depth 0.
6421
6422         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6423         a parameter.
6424         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6425         (down_open_scop): Removed.
6426         (loop_in_scop_p): Redefined.
6427         (scop_affine_expr): New argument: scop.
6428         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6429         a harmful statement ending a scop.
6430         (basic_block_simple_for_scop_p): New argument: scop.
6431         (get_loop_start): Removed.
6432         (new_scop): Initialize SCOP_LOOPS.
6433         (free_scop): Free SCOP_LOOPS.
6434         (succs_at_same_depth, preds_at_same_depth): New.
6435         (end_scop): Test the validity of a scop.
6436         (add_dominators_to_open_scops): New.
6437         (test_for_scop_bound): Call add_dominators_to_open_scops.
6438         Add cases for opening and closing multiple scops.
6439         (build_scops, build_scop_bbs): Iterate over basic blocks in
6440         depth first order.
6441         (build_graphite_bb): Pass scop directly.
6442         (dfs_bb_in_scop_p): New.
6443         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6444         several times.
6445         (nb_loops_around_gb): Use loop_in_scop_p.
6446         (schedule_to_scattering): Disabled for the moment the code computing
6447         the "textual order for outer loop".
6448
6449         * graphite.h (struct scop): New field loops.
6450         (SCOP_LOOPS): New.
6451         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6452
6453         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6454
6455 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6456             Sebastian Pop  <sebastian.pop@amd.com>
6457
6458         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6459         * common.opt (fstreamize-loops): New.
6460         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6461         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6462         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6463         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6464
6465 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6466
6467         * tree-data-ref.c (build_empty_rdg): New.
6468         (build_rdg): Use it.
6469         * tree-data-ref.h (build_empty_rdg): Declared.
6470         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6471         (find_vertex_for_stmt): Removed.
6472         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6473
6474 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6475
6476         * tree-loop-distribution.c (generate_builtin): After cancelling the
6477         loop tree, also delete basic blocks.
6478         (rdg_flag_uses): Stop recursion when a vertex has already been
6479         processed.
6480
6481 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6482
6483         * graphite.c (build_scop_alpha): Removed.
6484         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6485         and dump_dependence_graph to avoid compiler warnings.
6486
6487 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6488
6489         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6490         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6491         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6492         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6493         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6494         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6495         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6496         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6497         dump_dependence_graph): New.
6498         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6499         (GBB_ALPHA): New.
6500         (struct scop): New field loop2cloog_loop.
6501         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6502         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6503
6504 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6505
6506         * graphite.c (build_graphite_bb): Fix initialization
6507         of the graphite basic block.
6508
6509 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6510
6511         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6512         loop domain matrix.  Pass in the number of loops contained in the
6513         constraint matrix.
6514         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6515         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6516         loops that are not surrounding the current loop are not represented
6517         in the domain constraint matrix.
6518         (build_scop_iteration_domain): Initial domain constraint matrix
6519         contains only the eq/ineq, cst, and scop parameters columns.
6520
6521 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6522
6523         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6524         (print_graphite_bb): Print scattering.
6525
6526 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6527
6528         * graphite.c (initialize_cloog_names): Initialize names of
6529         scattering variables.
6530
6531 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6532
6533         * graphite.c (dot_all_scops_1): Disable debug output while
6534         printing graph.
6535
6536 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6537
6538         * graphite.c (find_transform): Change cloog output language to C.
6539
6540 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6541
6542         * tree-loop-distribution.c (generate_memset_zero,
6543         generate_builtin, generate_code_for_partition,
6544         rdg_flag_all_uses): New.
6545         (rdg_flag_uses): Gather in the same partition the statements defining
6546         the VUSES of the current statement.
6547         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6548         Gather in the same partition not only the stores to the same memory
6549         access, but also the reads.
6550         (ldist_generate_loops): Renamed ldist_gen.
6551
6552 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6553             Tobias Grosser  <grosser@fmi.uni-passau.de>
6554
6555         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6556         next pointer, don't use the inner pointer.
6557
6558 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6559
6560         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6561         (find_transform): Call dot_all_1.
6562         * graphite.h (dot_all_scops): Declared.
6563
6564 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6565
6566         * tree-loop-distribution.c: Fix apsi.f ICE.
6567         (create_bb_after_loop): New.
6568         (generate_loops_for_partition): Use it.
6569         * gfortran.dg/ldist-1.f90: New.
6570
6571         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6572         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6573
6574 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6575
6576         * graphite.c (find_transform): Dump cloog program sent to cloog.
6577
6578 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6579
6580         * graphite.c (initialize_cloog_names): Initialize cloog
6581         iterator names.
6582
6583 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6584
6585         * graphite.c (build_scop_context): Fix typo, for the matrix
6586         format: insert '0 >= 0' instead of '-1 >= 0'.
6587
6588 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6589
6590         * Fix merge problems.
6591
6592 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6593
6594         * graphite.c (setup_cloog_loop): Fix typo.
6595
6596 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6597
6598         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6599         * tree-loop-distribution.c: Reimplemented.
6600         * tree-pass.h (pass_loop_distribution): New.
6601         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6602         print_loops.
6603         * graphds.h (struct graph): New field indexes.
6604         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6605
6606         * tree-vect-analyze.c: Remove declaration of static functions when not
6607         needed.
6608         * tree-vectorizer.c: Same.
6609         (rename_variables_in_loop): Now extern.
6610         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6611         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6612         calling redirect_edge_and_branch_force.
6613
6614         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6615
6616         * tree-data-ref.c: Don't include tree-chrec.h.
6617         (debug_data_dependence_relations): New.
6618         (dump_data_dependence_relation): Call dump_data_reference on data refs
6619         in the relation.
6620         (same_access_functions): Moved...
6621         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6622         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6623         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6624         struct rdg_vertex_info, ): New.
6625         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6626         at DDR_REVERSED_P.
6627         (create_rdg_vertices): Initialize the htab of graph->indexes.
6628         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6629         (stmts_from_loop): Don't save LABEL_EXPR.
6630         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6631         hash_stmt_vertex_del): New.
6632         (build_rdg): Initialize rdg->indexes.
6633         (free_rdg, stores_from_loop, ref_base_address,
6634         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6635         have_similar_memory_accesses_1, ref_base_address_1,
6636         remove_similar_memory_refs): New.
6637
6638         * tree-data-ref.h: Include tree-chrec.h.
6639         (debug_data_dependence_relations): Declared.
6640         (same_access_functions): ...here.  Now static inline.
6641         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6642         ddr_dependence_level): New.
6643         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6644         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6645         RDG_MEM_READS_STMT): New.
6646         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6647         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6648         rdg_vertex_for_stmt): Declared.
6649         (struct rdg_edge): New field level.
6650         (RDGE_LEVEL, free_rdg): New.
6651         (stores_from_loop, remove_similar_memory_refs,
6652         rdg_defs_used_in_other_loops_p,
6653         have_similar_memory_accesses): Declared.
6654         (rdg_has_similar_memory_accesses): New.
6655
6656         * lambda.h (dependence_level): New.
6657         * common.opt (ftree-loop-distribution): New.
6658         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6659         (print_loop_ir): Renamed print_loops.
6660         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6661         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6662         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6663         (tree-loop-distribution.o): Added.
6664         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6665         (mark_virtual_ops_in_bb): New.
6666         (print_loops_bb, debug_loop_num, debug_loop): New.
6667         * passes.c: Scheduled pass_loop_distribution.
6668
6669 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6670
6671         * graphite.c (scan_tree_for_params): Correct the number of columns
6672         for polylib format.
6673         (nb_flat_iterator): New.
6674         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6675         (build_scop_iteration_domain): Correct the number of columns for
6676         polylib format.
6677
6678 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6679
6680         * Merge from mainline (129697:130800).
6681
6682 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6683
6684         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6685         dominated by SCoP's exit.
6686         (graphite_transform_loops): Compute post dominators.
6687
6688 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6689
6690         * Merge from mainline (127169:129697).
6691
6692 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6693
6694         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6695         parameter for the basic block that contains the expression.  Use
6696         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6697         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6698         the expression.
6699         * graphite.h (gbb_loop): New.
6700         (GBB_LOOP): Removed.
6701
6702 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6703
6704         * Makefile.in: Fix merge problem.
6705
6706 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6707
6708         * Merge from mainline (125309:127169).
6709         * tree-loop-distribution.c: Disabled.
6710
6711 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6712
6713         * Merge from mainline (r123693:125309).
6714
6715 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6716
6717         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6718         correct_modify_p
6719         (correct_modify_p, check_statements, number_of_lvalue_uses,
6720         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6721         instead of MODIFY_EXPR.
6722         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6723         and push new edges.
6724
6725 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6726
6727         * tree-loop-distribution.c (struct rdg): Replace arrays by
6728         VECs for edges and vertices.
6729         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6730         (RDGV_NB_PARTITIONS): New.
6731         (PRDG_NBV, PRDG_NBE): Removed.
6732         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6733         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6734         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6735
6736 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6737             Sebastian Pop  <sebpop@gmail.com>
6738
6739         * doc/invoke.texi (-ftree-loop-distribution): Document.
6740         * tree-loop-distribution.c: New file.
6741         * tree-pass.h (pass_loop_distribution): Declared.
6742         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6743         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6744         and set reversed_p.
6745         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6746         (DDR_REVERSED_P): New.
6747         * common.opt (-ftree-loop-distribution): New.
6748         * tree-flow.h (distribute_loops): Declared.
6749         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6750         * passes.c (init_optimization_passes): Schedule loop distribution.
6751
6752 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6753
6754         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6755         (print_scop): Don't print when scop is NULL.
6756         (build_scop_context, find_transform): Don't output to stderr.
6757
6758 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6759
6760         * tree-data-ref.c: Don't include graphite.h.
6761         Comment out the code for printing data reference's scop.
6762         (build_access_matrix_with_af): Moved...
6763         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6764         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6765         (print_graphite_bb): Print basic block's schedule.
6766         (print_scop): Don't print the schedule, call cloog's pretty printer.
6767         (bb_in_scop_p): A basic block is in a scop only if it is both
6768         dominated and postdominated by the scop's entry and exit basic blocks.
6769         (function_parameter_p): New.
6770         (invariant_in_scop_p): Use function_parameter_p.
6771         (new_scop, save_scop): New.
6772         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6773         save_scop.
6774         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6775         (loop_in_scop_p): New.
6776         (scop_record_loop): Use loop_in_scop_p.
6777         (build_scop_domain): Renamed build_scop_iteration_domain.
6778         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6779         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6780         setup_cloog_loop, dot_scop_1, dot_scop): New.
6781         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6782         (struct scop): Add a pointer to cloog's representation of a program.
6783
6784 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6785
6786         * doc/invoke.texi (-ftree-check-verbose): Renamed
6787         -ftree-checks-verbose.
6788         * common.opt (flag_tree_check_verbose): Renamed
6789         flag_tree_checks_verbose.
6790         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6791
6792 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6793
6794         * configure: Regenerated.
6795         * config.in: Regenerated.
6796         * tree-ssa-loop.c (graphite_transforms): Execute
6797         graphite_transform_loops only when HAVE_cloog.
6798         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6799         * graphite.c: Include polylibgmp.h and cloog.h.
6800         (graphite_transform_loops): Removed loops parameter.
6801         * tree-flow.h (graphite_transform_loops): Update declaration.
6802         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6803         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6804         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6805         (OBJS-common): Remove dependence on graphite.o.
6806         (BACKEND): Depend on @GRAPHITE@.
6807
6808 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6809
6810         * doc/invoke.texi (-ftree-check-verbose): Documented.
6811         * gcc.dg/tree-checker/tree-checks-1.c: New.
6812         * gcc.dg/tree-checker/tree-checks-2.c: New.
6813         * gcc.dg/tree-checker/tree-checks-3.c: New.
6814         * gcc.dg/tree-checker/tree-checks-4.c: New.
6815         * gcc.dg/tree-checker/tree-checks.exp: New.
6816         * gcc.dg/tree-checker/condates.crp: New.
6817         * common.opt (ftree-checks-verbose): New.
6818         * tree-check.c (tree_check_warning): Move extra stderr output
6819         under control of flag_tree_check_verbose.
6820
6821 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6822
6823         * tree-match.c: Fix comments formatting.
6824         * tree-match.h: Fix comments formatting.
6825         * tree-check.c: Fix comments formatting.
6826         (tree_check_init): Restructure.
6827
6828 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6829
6830         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6831
6832 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6833
6834         * Merge from mainline (r120733:123693).
6835
6836 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6837
6838         * condate.y: New file.
6839         * tree-match.h (struct patt_info_s): New field sign.
6840         (struct condate_s): New field msg.
6841         (normalize_condate, name_condate, add_condate): New.
6842         (conds[], condate_parse): Made extern.
6843         * tree-check.c (tree_check_warning): First arg changed to cond;
6844         warning reformatted.
6845         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6846         (tree_scan): New.
6847         (tree_check): Process trivial condates.
6848         (read_delimited_string): Removed.
6849         (print_cond): Print name and msg.
6850         (conds[]): Made extern.
6851         (parse_tree_check_file_once): Rewritten to use the parser in
6852         condate.y.
6853         Processing of option --tree_check_string moved to tree_scan().
6854         * Makefile.in: Added condate.y
6855
6856 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6857
6858         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6859         Use VECs instead of varrays.
6860         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6861         * Makefile.in (pretty-print.o): Depend on vec.h.
6862         * pretty-print.c: Include tree.h and vec.h.
6863         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6864         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6865         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6866         pp_free_list): Use VECs instead of varrays.
6867         * pretty-print.h: Do not include varray.h.
6868         (struct tree_chunk_s): Declaration moved before its use.
6869         (output_buffer): Rename varray field to chunks.
6870         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6871         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6872         save_global_holes): Use VECs instead of varrays.
6873         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6874         * tree-check.c (scan_cfg_stmts, push_node,
6875         print_matching_stmt): Removed.
6876         (tree_check_instance, push_global_holes_if_new, tree_check,
6877         execute_tree_check): Use VECs instead of varrays.
6878         (gate_tree_check): Don't execute the CFG check when basic_block_info
6879         is not available.
6880
6881 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6882
6883         * Merge from mainline (r115016:120733).
6884
6885 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6886
6887         * Merge from mainline (r117632:117661).
6888
6889 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6890
6891         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6892         * tree-pass.h (TDF_DEBUG, debug_p): New.
6893         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6894         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6895         get_loop_exit_condition, analyze_evolution_in_loop,
6896         analyze_initial_condition, analyze_scalar_evolution,
6897         instantiate_parameters, number_of_latch_executions): Use debug_p.
6898         * tree-chrec.c (chrec_apply): Use debug_p.
6899         * tree-data-ref.c: Include graphite.h.
6900         (dump_data_reference): Print also the access matrix.
6901         (analyze_array, analyze_indirect_ref, init_data_ref,
6902         analyze_offset_expr, address_analysis, object_analysis,
6903         create_data_ref, finalize_ddr_dependent,
6904         non_affine_dependence_relation, analyze_ziv_subscript,
6905         analyze_siv_subscript_cst_affine,
6906         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6907         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6908         analyze_miv_subscript, analyze_overlapping_iterations,
6909         build_classic_dist_vector, subscript_dependence_tester,
6910         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6911         (build_access_matrix_with_af): No longer static.
6912         * tree-data-ref.h (scop_p): ... declaration here.
6913         (data_reference.scop): New field.
6914         (DR_SCOP, DR_ACCESS_MATRIX): New.
6915         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6916         * graphite.c (print_graphite_bb): Call dump_data_references.
6917         (print_scop): Use scop_nb_loops and scop_dim_domain.
6918         (test_for_scop_bound): Use debug_p.
6919         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6920         scop_nb_params.
6921         (scop_loop_index): Moved...
6922         (scop_record_loop): New.
6923         (build_scop_loop_nests): Use scop_record_loop.
6924         (build_scop_domain): Use scop_dim_domain.
6925         (build_access_matrix): Implemented.
6926         (build_scop_canonical_schedules): Use scop_nb_loops.
6927         (build_graphite_bb): Initialize GBB_SCOP.
6928         * graphite.h (scop_p): Moved...
6929         (graphite_bb.scop): New field.
6930         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6931         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6932         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6933         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6934         scop_loop_index): New.
6935         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6936
6937 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6938
6939         * Merge from mainline (r117661:120450).
6940
6941 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6942
6943         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6944         at the first declaration outside the varying loop, instantiate as
6945         far as possible.
6946         * tree-chrec.c (for_each_scev_op): New.
6947         * tree-chrec.h (for_each_scev_op): Declared.
6948         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6949         * tree-data-ref.c (get_references_in_stmt,
6950         find_data_references_in_stmt): New, from trunk.
6951         (find_data_references_in_loop): Use get_references_in_stmt
6952         and find_data_references_in_loop, modified as in trunk.
6953         (build_access_matrix_with_af): New.
6954         * tree-data-ref.h (data_reference): Add a field access_matrix.
6955         (data_ref_loc): New, as in trunk.
6956         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6957         invariant_in_scop_p, param_index, scan_tree_for_params,
6958         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6959         idx_record_param, idx_record_params, build_access_matrix,
6960         build_scop_data_accesses, build_scop_canonical_schedules,
6961         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6962         build_scop_params): New.
6963         * graphite.h (graphite_bb): New.
6964         (scop): Add fields static_schedule, params, loop_nest,
6965         iteration_domain.
6966         * lambda.h: Declare vecs of lambda_matrix.
6967         * tree-flow.h (print_loop_ir_bb): Declared.
6968         * tree-cfg.c (print_loop_ir_bb): New.
6969         (print_loop): Use print_loop_ir_bb.
6970
6971 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6972
6973         * Merge from mainline (r115016:117632).
6974
6975 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6976
6977         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6978         break due to a warning.
6979
6980 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6981
6982         * graphite.c (print_scops, debug_scops): New.
6983         (graphite_transform): Renamed graphite_find_transform.
6984         * graphite.h (debug_scops): Declared.
6985
6986 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6987
6988         * tree-match.c: Reformat following the GNU style.
6989         * tree-match.h: Reformat following the GNU style.
6990         * tree-pattern.h: Removed empty file.
6991         * Makefile.in: Remove references to tree-pattern.h.
6992         * tree-check.c: Reformat following the GNU style.
6993         (execute_tree_check): Move gate condition code to...
6994         (gate_tree_check): ...here.  New function.
6995         (pass_check): Use the gate function.
6996
6997 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6998
6999         * tree-pattern.h: New. Tree pattern matching and checking using
7000         concrete syntax.
7001         * tree-check.c: New. Tree/CFG checking pass.
7002         * tree-match.c: New. Library for tree pattern matching.
7003         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7004         * toplev.c, flags.h: Add globals for tree-check pass.
7005         * Makefile.in: Integrate the files in tree-check pass.
7006         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7007         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7008         Introduce a "lazy" pretty-print mode.
7009         * tree.c, tree.h: Add tree_name.
7010
7011 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7012
7013         * doc/invoke.texi (-fgraphite): Correct typo.
7014         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7015         use of print_loop_ir.
7016         * gcc.dg/graphite/scop-1.c: New.
7017         * gcc.dg/graphite/scop-2.c: New.
7018         * gcc.dg/graphite/graphite.exp: New.
7019         * graphite.c: Include domwalk.h.
7020         (print_scop): Print only the entry and exit blocks.
7021         (debug_scop): No longer static.
7022         (affine_expr): Fix formating.  Return also true when the expression is
7023         constant.
7024         (stmt_simple_for_scop_p): Fix formating.
7025         (build_scops): Use domwalk.
7026         (get_loop_start, end_scop, test_for_scop_bound): New.
7027         (graphite_transform_loops): Avoid printing on stderr.
7028         * graphite.h (debug_scop): Declared.
7029         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7030         * Makefile.in (graphite.o): Depend on domwalk.h.
7031         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7032         declarations for static functions.
7033         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7034         controlling output verbosity.
7035
7036 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7037             Plesco Alexandru  <shurikx@gmail.com>
7038
7039         * doc/invoke.texi (-fgraphite): Document.
7040         * tree-pass.h (pass_graphite_transforms): Declared.
7041         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7042         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7043         (pass_graphite_transforms): Defined.
7044         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7045         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7046         * graphite.c, graphite.h: New.
7047         * common.opt (fgraphite): Declared.
7048         * tree-flow.h (graphite_transform_loops): Declared.
7049         * Makefile.in (OBJS-common): Add graphite.o.
7050         (graphite.o): New rule.
7051         * passes.c (pass_graphite_transforms): Scheduled.
7052