gcc/ChangeLog.graphite

   1 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/43306
   4         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
   5         should be an INTEGER_CST.  Also handle CASE_CONVERT.
   6         * gcc.dg/graphite/pr43306.c: New.
   7
   8 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * graphite.c (graphite_initialize): To bound the number of bbs per
  11         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
  12         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
  13         * doc/invoke.texi: Document it.
  14
  15 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
  18         * graphite-sese-to-poly.h (build_poly_scop): Same.
  19
  20 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
  23         the number of parameters in the scop.  Use as an upper bound
  24         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
  25         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
  26         * doc/invoke.texi: Document it.
  27
  28 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * graphite-sese-to-poly.c (add_param_constraints): Use
  31         lower_bound_in_type and upper_bound_in_type.
  32
  33 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  34
  35         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
  36         instead of unsigned_type_node.
  37
  38 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  39             Reza Yazdani  <reza.yazdani@amd.com>
  40
  41         PR middle-end/43065
  42         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
  43         on pointer type parameters.
  44
  45         * gcc.dg/graphite/run-id-4.c: New.
  46
  47 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         PR middle-end/43065
  50         * gcc.dg/graphite/run-id-3.c: New.
  51
  52 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
  53             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  54
  55         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
  56         handle conversions from pointer to integers.
  57         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
  58         induction variable, to be able to work with code generated by CLooG.
  59         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
  60         (build_poly_scop): Bail out if we cannot codegen a loop.
  61
  62 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
  63
  64         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
  65         code generation with gloog_error.
  66
  67 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
  70         Call fold_convert on all the returned values.
  71         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
  72         the type of the resulting expression.
  73
  74 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  75
  76         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
  77         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
  78         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
  79
  80 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         * graphite-dependences.c (map_into_dep_poly): Removed.
  83         (dependence_polyhedron_1): Use combine_context_id_scat.
  84
  85 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         * graphite-poly.h (struct poly_scattering): Add layout documentation.
  88         (struct poly_bb): Same.
  89         (combine_context_id_scat): New.
  90
  91 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
  92
  93         PR middle-end/42326
  94         * sese.c (name_defined_in_loop_p): Return false for default
  95         definitions.
  96
  97         * gcc.dg/graphite/pr42326.c: New.
  98
  99 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 102         and clean up the logic.
 103
 104 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 107         early return.
 108
 109 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         PR middle-end/43083
 112         * graphite-scop-detection.c (create_single_exit_edge): Move
 113         the call to find_single_exit_edge to....
 114         (create_sese_edges): ...here.  Don't handle multiple edges
 115         exiting the function.
 116         (build_graphite_scops): Don't handle multiple edges
 117         exiting the function.
 118
 119         * gcc.dg/graphite/pr43083.c: New.
 120
 121 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         PR middle-end/43097
 124         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 125         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 126
 127         * gfortran.dg/graphite/pr43097.f: New.
 128
 129 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 130             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 131
 132         PR middle-end/43140
 133         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 134
 135 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 136
 137         PR middle-end/43026
 138         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 139
 140         * g++.dg/graphite/pr43026.C: New.
 141
 142 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 143
 144         * Merge from mainline (154736:156693).
 145
 146 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         PR middle-end/43012
 149         * gcc.dg/graphite/pr43012.c: New.
 150
 151 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 154 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * g++.dg/graphite/pr42930.C: New.
 157
 158 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 159
 160         PR middle-end/42930
 161         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 162         graphite_can_represent_init for MULT_EXPR.
 163
 164 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 165
 166         PR middle-end/42914
 167         PR middle-end/42530
 168         * graphite-sese-to-poly.c (remove_phi): New.
 169         (translate_scalar_reduction_to_array): Call remove_phi.
 170
 171         * gcc.dg/graphite/pr42530.c: New.
 172         * gcc.dg/graphite/pr42914.c: New.
 173
 174 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 175
 176         PR middle-end/42771
 177         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 178         * graphite-clast-to-gimple.h (gloog): Update declaration.
 179         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 180         * graphite-poly.h (struct poly_bb): Add missing comments.
 181         (struct scop): Add poly_scop_p field.
 182         (POLY_SCOP_P): New.
 183         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 184         * graphite.c (graphite_transform_loops): Build the polyhedral
 185         representation for each scop before code generation.
 186         * sese.c (rename_variables_in_operand): Removed.
 187         (rename_variables_in_expr): Return the renamed expression.
 188         (rename_sese_parameters): New.
 189         * sese.h (rename_sese_parameters): Declared.
 190
 191         * gcc.dg/graphite/pr42771.c: New.
 192
 193 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 196         return 0 from main.
 197         * gcc.dg/graphite/block-1.c: Same.
 198         * gcc.dg/graphite/block-3.c: Same.
 199         * gcc.dg/graphite/block-4.c: Same.
 200         * gcc.dg/graphite/block-5.c: Same.
 201         * gcc.dg/graphite/block-6.c: Same.
 202         * gcc.dg/graphite/block-7.c: Same.
 203         * gcc.dg/graphite/interchange-0.c: Same.
 204         * gcc.dg/graphite/interchange-1.c: Same.
 205         * gcc.dg/graphite/interchange-10.c: Same.
 206         * gcc.dg/graphite/interchange-11.c: Same.
 207         * gcc.dg/graphite/interchange-12.c: Same.
 208         * gcc.dg/graphite/interchange-2.c: Same.
 209         * gcc.dg/graphite/interchange-3.c: Same.
 210         * gcc.dg/graphite/interchange-4.c: Same.
 211         * gcc.dg/graphite/interchange-5.c: Same.
 212         * gcc.dg/graphite/interchange-6.c: Same.
 213         * gcc.dg/graphite/interchange-7.c: Same.
 214         * gcc.dg/graphite/interchange-8.c: Same.
 215         * gcc.dg/graphite/interchange-9.c: Same.
 216         * gcc.dg/graphite/interchange-mvt.c: Same.
 217
 218 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 219
 220         * gfortran.dg/graphite/id-19.f: New.
 221         * gfortran.dg/graphite/pr14741.f90: New.
 222         * gfortran.dg/graphite/pr41924.f90: New.
 223         * gfortran.dg/graphite/run-id-2.f90: New.
 224
 225 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 226
 227         PR middle-end/42988
 228         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 229         to unknown_dependence.
 230         (graphite_legal_transform_dr): Handle the unknown_dependence.
 231         (graphite_carried_dependence_level_k): Same.
 232
 233 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 234
 235         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 236
 237 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 238             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 239
 240         PR middle-end/42637
 241         * graphite-dependences.c (build_lexicographical_constraint): Return
 242         a union of dependence polyhedra.
 243         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 244
 245         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 246         * gcc.dg/graphite/block-4.c: Same.
 247         * gcc.dg/graphite/block-7.c: Same.
 248         * gcc.dg/graphite/interchange-12.c: Same.
 249         * gcc.dg/graphite/interchange-mvt.c: Same.
 250         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 251         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 252         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 253
 254 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 257         the execution check to FAIL.  This testcase is miscompiled by Graphite
 258         and the check should be re-enabled.
 259         * gcc.dg/graphite/interchange-mvt.c: Same.
 260         * gcc.dg/graphite/block-0.c: Same.
 261         * gcc.dg/graphite/block-4.c: Same.
 262         * gcc.dg/graphite/block-7.c: Same.
 263
 264 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 265
 266         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 267         * gcc.dg/graphite/scop-0.c: Fix spaces.
 268         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 269         * gfortran.dg/graphite/block-2.f: Same.
 270         * gfortran.dg/graphite/block-3.f90: Same.
 271         * gfortran.dg/graphite/block-4.f90: Same.
 272         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 273         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 274
 275 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 276
 277         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 278         PDDR_ORIGINAL_SCATTERING_P.
 279         (pddr_is_empty): Rewritten.
 280         (print_dependence_polyhedron_layout): New.
 281         (print_pddr): New.
 282         (debug_pddr): New.
 283         (build_alias_set_powerset): Moved up.
 284         (poly_drs_may_alias_p): Moved up.
 285         (lexicographically_gt_p): Removed.
 286         (build_lexicographically_gt_constraint): Renamed
 287         build_lexicographical_constraint, reimplemented.
 288         (dependence_polyhedron_1): Simplified parameters.
 289         (dependence_polyhedron): Same.  Keep along empty PDDRs
 290         to make efficient use of the cache.
 291         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 292         (graphite_legal_transform_dr): Rewritten.
 293         (graphite_legal_transform_bb): Pass fewer arguments to
 294         graphite_legal_transform_dr.
 295         (graphite_carried_dependence_level_k): Simplified implementation.
 296         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 297         (dot_transformed_deps_stmt_1): Same.
 298         (dot_original_deps): Same.
 299         (dot_transformed_deps): Same.
 300         * graphite-dependences.h (struct poly_ddr): Added a new field
 301         original_scattering_p.
 302         (PDDR_ORIGINAL_SCATTERING_P): New.
 303         (print_pddr): Declared.
 304         (debug_pddr): Declared.
 305         * graphite-ppl.c: Clarify comment.
 306         * sese.h (print_gimple_bb): Removed unused declaration.
 307         (debug_gbb): Same.
 308
 309 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 310
 311         * g++.dg/graphite/graphite.exp: Rewritten.
 312         * gcc.dg/graphite/graphite.exp: Rewritten.
 313         * gfortran.dg/graphite/graphite.exp: Rewritten.
 314         * gcc.dg/graphite/block-0.c: Added runtime test.
 315         * gcc.dg/graphite/block-1.c: Same.
 316         * gcc.dg/graphite/block-3.c: Same.
 317         * gcc.dg/graphite/block-4.c: Same.
 318         * gcc.dg/graphite/block-5.c: Same.
 319         * gcc.dg/graphite/block-6.c: Same.
 320         * gcc.dg/graphite/block-7.c: Same.
 321         * gcc.dg/graphite/interchange-0.c: Same.
 322         * gcc.dg/graphite/interchange-1.c: Same.
 323         * gcc.dg/graphite/interchange-10.c: Same.
 324         * gcc.dg/graphite/interchange-11.c: Same.
 325         * gcc.dg/graphite/interchange-12.c: Same.
 326         * gcc.dg/graphite/interchange-2.c: Same.
 327         * gcc.dg/graphite/interchange-3.c: Same.
 328         * gcc.dg/graphite/interchange-4.c: Same.
 329         * gcc.dg/graphite/interchange-5.c: Same.
 330         * gcc.dg/graphite/interchange-6.c: Same.
 331         * gcc.dg/graphite/interchange-7.c: Same.
 332         * gcc.dg/graphite/interchange-8.c: Same.
 333         * gcc.dg/graphite/interchange-9.c: Same.
 334         * gcc.dg/graphite/interchange-mvt.c: Same.
 335         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 336
 337 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 338
 339         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 340           background.
 341
 342 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 343
 344         * common.opt: Add -fgraphite-cloog-opts.
 345         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 346         * opts.c (decode_options): Same.
 347
 348 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * gcc.dg/graphite/id-17.c: New.
 351         * gcc.dg/graphite/pr41888.c: New.
 352         * gcc.dg/graphite/scop-22.c: New.
 353         * gfortran.dg/graphite/pr40982.f90: New.
 354
 355 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         * graphite-dependences.c: Clarify comments.
 358         (build_pddr): Add an extra parameter direction.
 359         (graphite_legal_transform_dr): Use build_pddr.
 360         (dot_original_deps_stmt_1): Update use of build_pddr.
 361         (dot_transformed_deps_stmt_1): Same.
 362         (dot_original_deps): Same.
 363         (dot_transformed_deps): Same.
 364
 365         * gcc.dg/graphite/interchange-12.c: New.
 366         * gcc.dg/graphite/block-7.c: New.
 367
 368 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 369
 370         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 371         (pddr_transformed_scattering): Removed.
 372         (graphite_legal_transform_dr): Use build_pddr.
 373         (dot_original_deps_stmt_1): Same.
 374         (dot_transformed_deps_stmt_1): Same.
 375         (dot_original_deps): Same.
 376         (dot_transformed_deps): Same.
 377
 378 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 381         (build_lexicographically_gt_constraint): Same.
 382         (dependence_polyhedron_1): Same.
 383         (dependence_polyhedron): Same.
 384
 385 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 388         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 389         (lexicographically_gt_p): Change type of direction to int.
 390         (build_lexicographically_gt_constraint): Same.
 391         (dependence_polyhedron_1): Same.
 392         (dependence_polyhedron): Same.
 393         (pddr_original_scattering): Use integers for direction.
 394         (pddr_transformed_scattering): Same.
 395         (graphite_legal_transform_dr): Same.
 396         (graphite_carried_dependence_level_k): Same.
 397
 398 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 399
 400         * graphite-dependences.c (build_pairwise_constraint): Renamed
 401         ppl_build_relation.  Moved...
 402         (dr_equality_constraints): Use ppl_build_relation.
 403         (build_pairwise_scheduling_equality): Same.
 404         (build_pairwise_scheduling_inequality): Same.
 405         * graphite-ppl.c (ppl_build_relation): ...here.
 406         * graphite-ppl.h (ppl_build_relation): Declared.
 407
 408 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 409
 410         PR middle-end/42681
 411         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 412         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 413         Set gloog_error when such an expression failed to be built.
 414         (translate_clast): Early return when gloog_error is set.
 415         (gloog): Clear gloog_error.  When gloog_error is set, call
 416         set_ifsese_condition to enable the original code.  Return the status
 417         of the code generation based on gloog_error.
 418         * sese.c (set_ifsese_condition): New.
 419         * sese.h (set_ifsese_condition): Declared.
 420
 421         * g++.dg/graphite/pr42681.C: New.
 422
 423 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         PR middle-end/42732
 426         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 427         rename_nb_iterations.
 428         * sese.c (rename_variables_in_operand): New.
 429         (rename_variables_in_expr): New.
 430         (rename_nb_iterations): New.
 431         (sese_adjust_liveout_phis): Update the rename_map.
 432         * sese.h (rename_nb_iterations): Declared.
 433         * tree-scalar-evolution.c (scev_reset_htab): New.
 434         (scev_reset): Call scev_reset_htab.
 435         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 436
 437         * gfortran.dg/graphite/pr42732.f: New.
 438
 439 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         PR middle-end/42393
 442         * graphite-clast-to-gimple.c: Fix formatting.
 443         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 444         (expr_defined_in_loop_p): New.
 445         (add_loop_exit_phis): Also handle full expressions: remove from
 446         the rename_map the expressions defined in the loop that we're closing.
 447
 448         * gfortran.dg/graphite/pr42393-1.f90: New.
 449         * gfortran.dg/graphite/pr42393.f90: Add new flags
 450         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 451         make this testcase useful in the Graphite branch.
 452
 453 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 454
 455         * graphite-scop-detection.c (exclude_component_ref): Removed.
 456         (is_simple_operand): Removed.
 457         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 458
 459 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 460
 461         PR middle-end/42221
 462         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 463         the array indexing of ADDR_EXPRs.
 464
 465         * gcc.dg/graphite/pr42221.c: New.
 466
 467 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 468
 469         PR middle-end/42521
 470         * graphite.c (graphite_finalize): Call scev_reset.
 471         (graphite_transform_loops): Do not call scev_reset between the code
 472         generation of scops.
 473
 474         * gcc.dg/graphite/pr42521.c: New.
 475
 476 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         * graphite-interchange.c (memory_stride_in_loop): Renamed
 479         pdr_stride_in_loop.
 480         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 481         (memory_strides_in_loop): Memoize the memory strides per loop.
 482         (lst_interchange_profitable_p): Do not initialize to zero the memory
 483         strides.
 484         * graphite-poly.h (struct lst): Add a field memory_strides.
 485         (LST_LOOP_MEMORY_STRIDES): New.
 486         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 487         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 488
 489 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 490
 491         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 492         memory_strides_in_loop.  Gather memory strides on a whole loop.
 493         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 494         (lst_interchange_profitable_p): Removed.
 495         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 496
 497 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 498
 499         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 500         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 501         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 502         Remove context_loop and level.
 503
 504 2010-01-07  Richard Guenther  <rguenther@suse.de>
 505
 506         PR tree-optimization/42641
 507         * sese.c (rename_map_elt_info): Use the SSA name version, do
 508         not hash pointers.
 509
 510 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 513         blocked" only when both the strip mine and the interchange have
 514         been applied.
 515
 516         * gcc.dg/graphite/block-2.c: Removed.
 517         * gcc.dg/graphite/block-3.c: Add scan pattern.
 518         * gcc.dg/graphite/block-4.c: Same.
 519         * gcc.dg/graphite/block-5.c: Same.
 520         * gcc.dg/graphite/block-6.c: Same.
 521
 522 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 525         before allocating a new one.
 526         (copy_renames): Check that slot is not NULL.
 527         (mark_bb_with_pbb): Same.
 528         (compute_cloog_iv_types_1): Same.
 529         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 530         nest, and after LSTs.
 531         (lst_try_interchange_loops): Same.
 532
 533 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         PR middle-end/42178
 536         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 537         the before, nest, and after LSTs.
 538         (lst_try_interchange): Removed.
 539         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 540         were modified.
 541         (lst_interchange_select_outer): Apply interchange on the outer loop
 542         until there are no more changes in the inner loops.
 543
 544 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         Revert patch fixing PR middle-end/42221.
 547
 548 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 549
 550         PR middle-end/42180
 551         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 552         GIMPLE_CALL.
 553
 554         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 555
 556 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         PR middle-end/42180
 559         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 560         that contain only one statement.
 561
 562         * gfortran.dg/graphite/pr42180.f90: New.
 563
 564 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         PR middle-end/42393
 567         * gfortran.dg/graphite/pr42393.f90: New.
 568
 569 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         PR middle-end/42186
 572         * gfortran.dg/graphite/pr42186.f90: New.
 573
 574 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         PR middle-end/42205
 577         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 578         Insert the reduction copy in the same block as the phi node.
 579         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 580
 581         * gcc.dg/graphite/pr42205-1.c: New.
 582         * gcc.dg/graphite/pr42205-2.c: New.
 583
 584 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         PR middle-end/42221
 587         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 588         the array indexing of ADDR_EXPRs.
 589
 590         * gcc.dg/graphite/pr42221.c: New.
 591
 592 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 593
 594         PR middle-end/42178
 595         PR middle-end/42334
 596         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 597         index.  Call lst_interchange_select_inner only once.
 598         (lst_interchange_select_inner): Update use of lst_try_interchange.
 599         (lst_interchange_select_outer): Update.
 600
 601 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 602
 603         PR middle-end/42178
 604         PR middle-end/42334
 605         * graphite-interchange.c (lst_try_interchange): Do not increment the
 606         the OUTER index when there is no AFTER kernel.  Do not increment the
 607         OUTER index for after processing the AFTER kernel.
 608         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 609         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 610         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 611         (scop_do_interchange): Update use of lst_interchange_select_outer.
 612
 613         * gfortran.dg/graphite/graphite.exp
 614         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 615         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 616         the graphite dump file.
 617         * gfortran.dg/graphite/interchange-2.f: Same.
 618         * gfortran.dg/graphite/pr42334-1.f: New.
 619
 620 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         PR middle-end/42178
 623         PR middle-end/42334
 624         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 625         that are empty.
 626         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 627         (lst_try_interchange): Reimplemented.
 628         (lst_interchange_select_inner): Same.
 629         (lst_do_interchange): Renamed lst_interchange_select_outer.
 630         Reimplemented.
 631         (scop_do_interchange): Update use of lst_interchange_select_outer.
 632
 633         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 634         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 635         * gcc.dg/graphite/pr42211.c: New.
 636         * gfortran.dg/graphite/pr42334.f90: New.
 637
 638 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         PR middle-end/42181
 641         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 642         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 643
 644         * gfortran.dg/graphite/pr42181.f90: New.
 645
 646 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 647
 648         PR middle-end/42284
 649         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 650         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 651         (detect_commutative_reduction_arg): Simplified.
 652         (detect_commutative_reduction): Early return when the argument of
 653         the close phi is not of an SSA_NAME.
 654
 655         * gcc.dg/graphite/pr42284.c: New.
 656
 657 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 658
 659         * dbgcnt.def (graphite_scop): New counter.
 660         * graphite.c: Include dbgcnt.h
 661         (graphite_transform_loops): Use new counter to limit transformations.
 662
 663 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 664
 665         PR middle-end/42285
 666         * graphite-scop-detection.c (graphite_can_represent_init): Also
 667         handle more complex MULT_EXPRs containing parameters by recursion
 668         on the structure.
 669
 670         * gfortran.dg/graphite/pr42285.f90: New.
 671
 672 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 673
 674         * g++.dg/graphite/pr42130.C: Fix type.
 675
 676 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 677
 678         * g++.dg/graphite/pr42130.C: Correct testcase.
 679
 680 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 681
 682         * Merge from mainline (154493:154734).
 683
 684 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 685
 686         * Merge from mainline (151362:154491).
 687
 688 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 689
 690         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 691         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 692
 693 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 694
 695         PR middle-end/42130
 696         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 697         translate_clast_for_loop): New.
 698         (translate_clast_for): Add a condition around the loop, to do not
 699         execute loops with zero iterations.
 700         * g++.dg/graphite/pr42130.C: New.
 701         * gcc.dg/graphite/pr35356-2.c: Adapt.
 702
 703 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 704
 705         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 706         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 707         Remove context_loop and level.
 708
 709 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 710
 711         * graphite-clast-to-gimple.c (translate_clast_user,
 712         translate_clast_for, translate_clast_guard): Simplify and move common
 713         elements to translate_clast().
 714         (translate_clast): Simplify and get common elements.
 715
 716 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 717
 718         * graphite-clast-to-gimple.c (translate_clast_user,
 719         translate_clast_for, translate_clast_guard): Split out of
 720         translate_clast.
 721
 722 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 723
 724         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 725         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 726         debug_clast_name_indexes_1, debug_clast_name_indexes,
 727         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 728         (clast_name_to_gcc, clast_to_gcc_expression,
 729         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 730         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 731         graphite_create_guard_cond_expr, graphite_create_new_loop,
 732         translate_clast): Add params_index.
 733         (initialize_cloog_names): Create parameter strings from scratch, do
 734         not reference other strings.
 735         (create_params_index): New.
 736         (gloog): Initialize params_index.
 737         * graphite-scop-detection (free_scops_1): Removed.
 738         (limit_scops): Use normal free_scops.
 739         * graphite-sese-to-poly.c (save_var_names): Removed.
 740         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 741         and SESE_PARAMS_INDEX.
 742         * sese.c (new_sese, free_sese): Dito.
 743         * sese.h (struct sese): Remove params_index, params_names.
 744         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 745
 746 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         Revert the following patch from 2009-09-14:
 749         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 750         tree-scalar-evolution.h, and then tree-data-ref.h.
 751         * graphite-clast-to-gimple.c: Same.
 752         * graphite-dependences.c: Same.
 753         * graphite-interchange.c: Same.
 754         * graphite-poly.c: Same.
 755         * graphite-scop-detection.c: Same.
 756         * graphite-sese-to-poly.c: Same.
 757         * graphite.c: Same.
 758         * lambda-code.c: Same.
 759         * matrix-reorg.c: Same.
 760         * tree-data-ref.c: Same.
 761         * tree-if-conv.c: Same.
 762         * tree-loop-distribu: Same.: Same.
 763         * tree-loop-linear.c: Same.
 764         * tree-parloops.c: Same.
 765         * tree-predcom.c: Same.
 766         * tree-vect-patterns.c: Same.
 767
 768 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         Revert patch from 2009-09-14.
 771         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 772         passes at -O1 and below.
 773
 774 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 775
 776         PR middle-end/40281
 777         * gcc.dg/graphite/pr40281.c: New.
 778
 779         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 780         evolutions should not variate in inner loops.
 781
 782 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 783
 784         PR middle-end/42050
 785         * gfortran.dg/graphite/pr42050.f90: New.
 786
 787 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 790         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 791
 792 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 793
 794         * graphite-blocking.c (scop_do_block): New.
 795         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 796         * graphite-poly.h (scop_do_block): Declared.
 797
 798 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 801         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 802         to transform depth into the time_depth before calling
 803         pbb_number_of_iterations_at_time.
 804         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 805         lst_depth.
 806
 807 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 808
 809         Reverted the patch for "scattering permutations" from 2009-10-28.
 810
 811         * graphite-poly.c (print_permutation): New.
 812         (debug_permutation): New.
 813         (new_poly_bb): Initialize PBB_PERMUTATION.
 814         (free_poly_bb): Free PBB_PERMUTATION.
 815         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 816         (struct pbb_permutation_elt): New.
 817         (PBB_PERMUTATION_ELT_STRIDE): New.
 818         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 819         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 820         (new_pbb_permutation_elt): New.
 821         (pbb_permutation_elt_free): New.
 822         (struct poly_bb): Add field permutation.
 823         (PBB_PERMUTATION): New.
 824         (print_permutation): Declared.
 825         (debug_permutation): Declared.
 826
 827 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 828
 829         * graphite-interchange.c (build_partial_difference): New.
 830         (memory_stride_in_loop): Refactored the computation of
 831         equality constraints into build_partial_difference function.
 832         Added support for debugging stride computations.
 833
 834 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * graphite-clast-to-gimple.c (gloog): Free if_region,
 837         if_region->true_region, and if_region->region.
 838         * sese.c (if_region_set_false_region): Free if_region->false_region.
 839         (create_if_region_on_edge): Do not use GGC_NEW.
 840         (move_sese_in_condition): Remove useless initialization.
 841
 842 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 845         for the loops created by the loop distribution.  Do not modify the
 846         input LSTs.
 847         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 848         transformed schedule.  Call lst_update_scattering before data
 849         dependence analysis.
 850         (lst_try_interchange): Pass an extra parameter INDEX.
 851         (lst_do_interchange_1): New.
 852         (lst_do_interchange): Call lst_do_interchange_1.
 853         (scop_do_interchange): Call lst_update_scattering.
 854         * graphite-poly.c (apply_poly_transforms): Do not call
 855         lst_update_scattering.
 856         * graphite-poly.h (lst_pred): New.
 857         (lst_succ): New.
 858         (lst_find_first_pbb): Return NULL when not found.
 859         (lst_empty_p): New.
 860         (lst_insert_in_sequence): Allow LST1 to be NULL.
 861         (lst_replace): New.
 862         (lst_substitute_3): New.
 863         * gcc.dg/graphite/interchange-1.c: XFail.
 864         * gcc.dg/graphite/interchange-8.c: XFail.
 865         * gcc.dg/graphite/interchange-11.c: XFail.
 866
 867 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite-interchange.c (lst_perfectly_nested_p): New.
 870         (lst_perfect_nestify): New.
 871         (lst_try_interchange_loops): Call store_lst_schedule,
 872         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 873         (scop_do_interchange): Avoid redundant legality test.
 874         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 875         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 876         * graphite-poly.h (psct_static_dim): New.
 877         (lst_dewey_number_at_depth): New.
 878         (lst_find_pbb): Restructured.
 879         (lst_find_first_pbb): Restructured.
 880         (lst_find_last_pbb): New.
 881         (lst_contains_p): New.
 882         (lst_contains_pbb): New.
 883         (lst_create_nest): New.
 884         (lst_remove_from_sequence): New.
 885         (pbb_update_scattering): New.
 886         (lst_update_scattering_under): New.
 887         (lst_update_scattering_seq): New.
 888         (lst_update_scattering): New.
 889         (lst_insert_in_sequence): New.
 890         (lst_distribute_lst): New.
 891         (lst_remove_all_before_including_pbb): New.
 892         (lst_remove_all_before_excluding_pbb): New.
 893
 894 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 897         get_loop_exit_edges.
 898
 899 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 900
 901         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 902
 903 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 904
 905         * graphite-poly.c (print_permutation): New.
 906         (debug_permutation): New.
 907         (new_poly_bb): Initialize PBB_PERMUTATION.
 908         (free_poly_bb): Free PBB_PERMUTATION.
 909         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 910         (struct pbb_permutation_elt): New.
 911         (PBB_PERMUTATION_ELT_STRIDE): New.
 912         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 913         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 914         (new_pbb_permutation_elt): New.
 915         (pbb_permutation_elt_free): New.
 916         (struct poly_bb): Add field permutation.
 917         (PBB_PERMUTATION): New.
 918         (print_permutation): Declared.
 919         (debug_permutation): Declared.
 920
 921 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 922
 923         * graphite-clast-to-gimple.c (gloog): Do not call
 924         sese_reset_aux_in_loops.
 925         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 926         extra argument for domains.  Do not use loop->aux.
 927         (build_scop_iteration_domain): Initialize and free domains, pass it
 928         to build_loop_iteration_domains and extract the information from
 929         domains.  Do not use loop->aux.
 930         * sese.c (sese_reset_aux_in_loops): Removed.
 931         * sese.h (sese_reset_aux_in_loops): Removed.
 932
 933 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 936         (dependency_in_loop_p): Same.
 937         (translate_clast): Do not use loop->aux.  Initialize
 938         loop->can_be_parallel.
 939         (mark_loops_parallel): Removed.
 940         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 941         * graphite.c (free_aux_in_new_loops): Removed.
 942         (graphite_finalize): Do not call free_aux_in_new_loops.
 943         (graphite_transform_loops): Do not call mark_loops_parallel.
 944
 945 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 946
 947         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 948         (translate_clast): Pass an extra parameter LEVEL.
 949         Call get_scattering_level.
 950         * graphite-clast-to-gimple.h (get_scattering_level): New.
 951
 952 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 955         * cfgloop.h (struct loop): New field single_iv.
 956
 957         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 958         loop->aux anymore: use loop->single_iv.
 959         (graphite_loop_normal_form): Moved...
 960         (build_graphite_loop_normal_form): Removed.
 961         (gloog): Do not call build_graphite_loop_normal_form.
 962         (free_aux_in_new_loops): Moved...
 963         (mark_loops_parallel): Restructure.
 964         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 965         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 966         (scop_canonicalize_loops): New.
 967         (build_poly_scop): Call scop_canonicalize_loops.
 968         * graphite.c (free_aux_in_new_loops): ...here.
 969
 970 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * g++.dg/graphite/graphite.exp: Add the same rules as in
 973         gcc.dg/graphite/graphite.exp.
 974
 975 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         * g++.dg/graphite/id-1.C: New.
 978
 979 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 982         argument base_name.
 983         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 984         (rewrite_phi_out_of_ssa): Same.
 985         (rewrite_cross_bb_scalar_deps): Same.
 986         (translate_scalar_reduction_to_array): Same.
 987
 988 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 991         dump_alias_graphs.
 992
 993 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 994
 995         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 996         (build_scop_drs): Call dump_alias_graphs.
 997
 998 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 999
1000         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1001         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1002         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1003         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1004         * graphite-poly.h (free_lst): New.
1005         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1006         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1007
1008 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * graphite-poly.h (struct scop): Add a field saved_schedule.
1011         (SCOP_SAVED_SCHEDULE): New.
1012         (store_lst_schedule): New.
1013         (restore_lst_schedule): New.
1014         (store_scattering): Call store_lst_schedule.
1015         (restore_scattering): Call restore_lst_schedule.
1016
1017 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1020         (pdr_add_alias_set): Same.
1021         (build_poly_dr): Same.
1022         (build_alias_set_optimal_p): Same.
1023         (build_base_obj_set_for_drs): Same.  Do not store the result of
1024         graphds_dfs.
1025
1026 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1029         all_components_are_cliques to 1.
1030
1031 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1032
1033         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1034         the new structure.
1035         (pdr_add_alias_set): Update retrieving alias_set_num.
1036         (build_poly_dr): Update retrieving dr_base_object_set.
1037         (partition_drs_to_sets): Remove.
1038         (build_alias_set_optimal_p): New.
1039         (build_alias_set_for_drs): Rename.
1040         (build_scop_drs): Update.
1041         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1042         (ALIAS_SET_INDEX): Remove.
1043         (BASE_OBJECT_SET_INDEX): Remove.
1044
1045 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1048
1049 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1052         loop upper bounds for 1-element arrays at end of structures.
1053         * tree-flow.h (array_at_struct_end_p): Declared.
1054         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1055
1056 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * g++.dg/graphite/pr41305.C: New.
1059
1060 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1061
1062         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1063         construction of parameter constraints from loop iteration analysis.
1064         * gcc.dg/graphite/run-id-2.c: New test.
1065
1066 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1069         and new_cstr.
1070
1071 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-dependences.c (dependence_polyhedron_1): Remove
1074         unused gdim dimensions from the DDR polyhedron.
1075
1076 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1077
1078         * graphite-dependences.c (pddr_transformed_scattering): New.
1079         (dot_original_deps_stmt_1): New.
1080         (dot_transformed_deps_stmt_1): New.
1081         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1082         dot_transformed_deps_stmt_1.
1083         (dot_original_deps): New.
1084         (dot_transformed_deps): New.
1085         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1086
1087 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1088
1089         * graphite-dependences.c (reduction_dr_1): Remove wrong
1090         assert: reduction BBs can have multiple reduction writes
1091         to memory.  interchange-3.f90 is an example.
1092
1093 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * gfortran.dg/graphite/interchange-3.f90: New.
1096
1097 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1100
1101 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * graphite-dependences.c (dependence_polyhedron_1): Add the
1104         context to the dependence polyhedron.
1105
1106 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1109         PBB_PDR_DUPLICATES_REMOVED.
1110         (new_poly_bb): Same.
1111
1112 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1113
1114         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1115         SCOP_CONTEXT.
1116         (build_loop_iteration_domains): Extract bounds on parameters
1117         based on the data size.
1118         (build_scop_context): Do not initialize SCOP_CONTEXT;
1119         add new constraints.
1120
1121 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1124         * graphite-ppl.h (graphite-ppl.h): Declared.
1125
1126 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * graphite-ppl.c (ppl_print_linear_expr): New.
1129         (debug_ppl_linear_expr): New.
1130         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1131         (debug_ppl_linear_expr): Declared.
1132
1133 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * graphite-interchange.c: Fix comments.
1136         * gcc.dg/graphite/block-1.c: Fix comments.
1137
1138 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1139
1140         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1141         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1142
1143 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1144
1145         Reapply the patch from Alexander Monakov that disappeared during
1146         the last merges from trunk.
1147
1148         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1149
1150         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1151         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1152
1153 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * graphite-interchange.c (memory_stride_in_loop): The depth
1156         argument corresponds to a dynamic time dimension, so use
1157         psct_dynamic_dim to refer to the transformed scattering dimension.
1158
1159 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1162
1163 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1166         root of the LST.
1167         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1168         the root of the LST.
1169         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1170         fake loop.
1171         (print_lst): Print the root of LST in a different format.
1172         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1173
1174 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1177
1178 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1179
1180         * doc/passes.texi: Document the Graphite infrastructure.
1181
1182 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1185         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1186         and check the SSA representation.
1187
1188         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1189
1190 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1193
1194 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * gcc.dg/graphite/interchange-11.c: New.
1197
1198 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1201
1202 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1205         Add -fno-loop-strip-mine and -fno-loop-interchange.
1206         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1207         -fno-loop-strip-mine.
1208         * gfortran.dg/graphite/graphite.exp: Same.
1209
1210 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1213         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1214         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1215         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1216         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1217         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1218         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1219         DEFAULT_FLAGS_GRAPHITE_SCOP.
1220         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1221         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1222
1223 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1226
1227 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1228             Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * graphite-interchange.c (build_linearized_memory_access): Pass an
1231         offset as parameter.
1232         (memory_stride_in_loop): Include transform scattering in the
1233         access functions to be able to querry the strides in the
1234         transformed loops.
1235         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1236         not the psct_iterator_dim.
1237
1238 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1241         (lst_do_strip_mine_loop): New.
1242         (lst_do_strip_mine): New.
1243         (scop_do_strip_mine): Call lst_do_strip_mine.
1244         * graphite-poly.h (lst_add_loop_under_loop): New.
1245         (lst_find_first_pbb): New.
1246
1247 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1248
1249         * graphite-poly.c (loop_to_lst): Fix LST creation.
1250
1251 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1252
1253         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1254         sizeof(unsigned long) to make it run on 32bit systems.
1255
1256 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1257
1258         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1259         SEGFAULT on 32bit.
1260
1261 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1262
1263         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1264         Comment.
1265         (write_alias_graph_to_ascii_dot): New.
1266         (write_alias_graph_to_ascii_ecc): Ditto.
1267         (partition_drs_to_sets): Add testing of optimality of current method
1268         which assigns alias numbers according to DFS Comopnent number.  used
1269         as heuristic for the upcoming ECC algorithm.
1270         (build_scop_drs): Write to file also with the ecc and dot format.
1271
1272 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * gfortran.dg/graphite/interchange-1.f: XFail.
1275
1276 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1277
1278         * graphite.c (graphite_initialize): Do not handle functions with
1279         more than 100 basic blocks.
1280
1281 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1282
1283         * graphite-blocking.c (pbb_do_strip_mine): Use
1284         PARAM_LOOP_BLOCK_TILE_SIZE.
1285
1286 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1287
1288         * graphite-poly.c (dot_lst_1): New.
1289         (dot_lst): New.
1290         * graphite-poly.h (dot_lst): Declared.
1291
1292 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1293
1294         * graphite-dependences.c (dot_deps_stmt_1): New.
1295         (dot_deps_stmt): New.
1296         * graphite-dependences.h (dot_deps_stmt): Declared.
1297
1298 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1301         not replace cross BB scalar dependences ending on PHI nodes.
1302         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1303
1304 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         * graphite-poly.c (apply_poly_transforms): Implement the high
1307         level driver for flag_loop_block.
1308         * opts.c (decode_options): Enable flag_loop_block at -O2.
1309         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1310         flag_loop_block.
1311
1312         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1313         -floop-block.
1314         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1315         Add -floop-block.
1316
1317 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1318
1319         * graphite-poly.h (lst_find_pbb): New.
1320         (find_lst_loop): New.
1321
1322 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1323
1324         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1325         * graphite-poly.h (struct scop): Remove dep_graph field.
1326         (SCOP_DEP_GRAPH): Removed.
1327
1328 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         * graphite-poly.h (copy_lst): Do full copy of LST.
1331
1332 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1333
1334         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1335         when the loop stride is zero.
1336
1337         * gcc.dg/graphite/id-16.c: New.
1338
1339 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         * graphite-dependences.c (reduction_dr_1): New.
1342         (reduction_dr_p): New.
1343         (graphite_legal_transform_dr): Call reduction_dr_p.
1344         (reduction_ddr): Renamed reduction_ddr_p.
1345         * graphite-poly.h (same_pdr_p): New.
1346         (number_of_write_pdrs): New.
1347         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1348         (split_reduction_stmt): Do not split reduction statements
1349         when there are no writes to memory.
1350         (translate_scalar_reduction_to_array_for_stmt): Insert the
1351         memory reduction statement just after the scalar reduction statement.
1352
1353         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1354         Un-XFAIL-ed.
1355         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1356         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1357
1358 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-interchange.c (lst_apply_interchange): New.
1361         (lst_interchange_profitable_p): New.
1362         (lst_try_interchange_loops): New.
1363         (lst_try_interchange): New.
1364         (lst_do_interchange): New.
1365         (pbb_do_interchange): Removed.
1366         (scop_do_interchange): Call lst_do_interchange.
1367
1368 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1371         SCOP_TRANSFORMED_SCHEDULE.
1372         (loop_to_lst): New.
1373         (scop_to_lst): New.
1374         (print_lst): New.
1375         (debug_lst): New.
1376         * graphite-poly.h (lst_p): New.
1377         (struct lst): New.
1378         (LST_LOOP_P): New.
1379         (LST_LOOP_FATHER): New.
1380         (LST_PBB): New.
1381         (LST_SEQ): New.
1382         (scop_to_lst): Declared.
1383         (print_lst): Declared.
1384         (debug_lst): Declared.
1385         (new_lst_loop): New.
1386         (new_lst_stmt): New.
1387         (copy_lst): New.
1388         (lst_depth): New.
1389         (lst_dewey_number): New.
1390         (struct scop): Add original_schedule and transformed_schedule fields.
1391         (SCOP_ORIGINAL_SCHEDULE): New.
1392         (SCOP_TRANSFORMED_SCHEDULE): New.
1393         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1394
1395 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * graphite-dependences.c (reduction_ddr): New.
1398         (graphite_legal_transform_bb): Call reduction_ddr.
1399         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1400         Initialize PBB_IS_REDUCTION.
1401         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1402         (PBB_IS_REDUCTION): New.
1403         (new_poly_bb): Update declaration.
1404         * graphite-scop-detection.h (build_scop_bbs): Removed.
1405         (nb_reductions_in_loop): Removed.
1406         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1407         parameter for reductions.
1408         (try_generate_gimple_bb): Update call to new_poly_bb.
1409         (build_scop_bbs_1): Same.
1410         (build_scop_bbs): Same.
1411         (gsi_for_phi_node): New.
1412         (scalar_close_phi_node_p): Remove gcc_assert.
1413         (split_reduction_stmt): New.
1414         (is_reduction_operation_p): New.
1415         (phi_contains_arg): New.
1416         (follow_ssa_with_commutative_ops): New.
1417         (detect_commutative_reduction_arg): New.
1418         (detect_commutative_reduction_assign): New.
1419         (follow_inital_value_to_phi): New.
1420         (edge_initial_value_for_loop_phi): New.
1421         (initial_value_for_loop_phi): New.
1422         (detect_commutative_reduction): New.
1423         (translate_scalar_reduction_to_array_for_stmt): New.
1424         (insert_copyout): New.
1425         (insert_copyin): New.
1426         (translate_scalar_reduction_to_array): New.
1427         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1428         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1429         (rewrite_commutative_reductions_out_of_ssa): New.
1430         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1431         * sese.h (split_region_for_bb): New.
1432
1433         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1434         * gcc.dg/graphite/interchange-1.c: Fix format.
1435         * gcc.dg/graphite/interchange-10.c: New.
1436
1437 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1438
1439         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1440         buggy assert.
1441
1442 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1443
1444         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1445         (rewrite_cross_bb_scalar_dependence): New.
1446         (rewrite_cross_bb_scalar_deps): New.
1447         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1448         Call rewrite_cross_bb_scalar_deps.
1449
1450 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1451
1452         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1453         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1454         gsi_for_stmt.
1455
1456 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1457
1458         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1459         * graphite-interchange.c (pbb_do_interchange): Same.
1460         * graphite-poly.c (print_scattering_function): Same.
1461         (debug_pdrs): Same.
1462         * graphite-poly.h (pbb_loop): New.
1463         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1464
1465 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1466
1467         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1468
1469 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1472         so don't pass a pointer to it.
1473         (build_alias_set_for_drs): Same.
1474         (build_base_obj_set_for_drs): Same.
1475         (build_scop_drs): Same.
1476
1477 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1478
1479         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1480         the alias graph of data references.
1481
1482 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1483
1484         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1485         (build_scop_drs): When debugging, write the alias graph to file,
1486         otherwise, should be disabled.
1487
1488 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * Merge from mainline (151310:151361).
1491
1492 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1493
1494         * Merge from mainline (151171:151310).
1495
1496 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1497
1498         * Merge from mainline (151171:151806).
1499
1500 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * Revert the last commit.
1503
1504 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * Merge from mainline (151171:151819).
1507
1508 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1509
1510         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1511         (is_simple_operand): Remove call to stmt_simple_memref_p.
1512         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1513
1514 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1515
1516         * gcc.dg/graphite/interchange-mvt.c: New File.
1517         * gcc.dg/graphite/scop-dsyrk.c: New File.
1518         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1519         * gcc.dg/graphite/scop-mvt.c: New File.
1520         * gcc.dg/graphite/scop-sor.c: New File.
1521
1522 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1523
1524         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1525         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1526         (graphite_carried_dependence_level_k): Ditto.
1527         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1528         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1529         (new_poly_dr): Adjust declaration.
1530         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1531         (free_gimple_bb): Added free_data_refs_aux.
1532         (build_poly_dr): Add dr_base_object_set.
1533         (partition_drs_to_sets): New.
1534         (dr_same_base_object_p): New.
1535         (build_alias_set_for_drs): New.
1536         (build_base_object_set_for_drs): New.
1537         (build_scop_drs): Add build_base_obj_set_for_drs.
1538         * graphite-sese-to-poly.h: Added #define for alias set number index and
1539         base object set index.
1540         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1541         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1542
1543 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1544
1545         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1546         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1547
1548 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550         * graphite-sese-to-poly.c (struct irp_data): Removed.
1551         (idx_record_params): Removed.
1552         (find_params_in_bb): Scan for parameters the access functions; don't
1553         parse the tree representation.
1554
1555 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1556
1557         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1558         passes at -O1 and below.
1559
1560 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1563         tree-scalar-evolution.h, and then tree-data-ref.h.
1564         * graphite-clast-to-gimple.c: Same.
1565         * graphite-dependences.c: Same.
1566         * graphite-interchange.c: Same.
1567         * graphite-poly.c: Same.
1568         * graphite-scop-detection.c: Same.
1569         * graphite-sese-to-poly.c: Same.
1570         * graphite.c: Same.
1571         * lambda-code.c: Same.
1572         * matrix-reorg.c: Same.
1573         * tree-data-ref.c: Same.
1574         * tree-if-conv.c: Same.
1575         * tree-loop-distribu: Same.: Same.
1576         * tree-loop-linear.c: Same.
1577         * tree-parloops.c: Same.
1578         * tree-predcom.c: Same.
1579         * tree-vect-patterns.c: Same.
1580
1581 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         Partially revert the previous patch, except the following.
1584         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1585         as parameters the operands of the not expression.
1586
1587 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1590         Do not call analyze_scalar_evolution on assignments.
1591         (instantiate_scev_phi): Call analyze_scalar_evolution.
1592         (instantiate_scev_name): Call instantiate_scev_assign and
1593         instantiate_scev_phi.
1594         (instantiate_scev_not): Adapted to pass as parameters the operands
1595         of the not expression.
1596
1597 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1598
1599         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1600         to pass as parameters the operands of the binary expression.
1601
1602 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1605         instantiate_scev_not.  Handle NEGATE_EXPR.
1606         (instantiate_scev_r): Handle NEGATE_EXPR.
1607
1608 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1611         instantiate_scev_r.
1612         (instantiate_scev_r): Move code in instantiate_scev_2
1613         and instantiate_scev_1.
1614
1615 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * tree-scalar-evolution.c (instantiate_scev_3): New.
1618         (instantiate_scev_1): Move code in instantiate_scev_3.
1619
1620 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1621
1622         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1623         (instantiate_scev_1): Move code in instantiate_scev_poly.
1624
1625 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1628         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1629
1630 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1633         (instantiate_scev_1): Move code in instantiate_scev_convert.
1634
1635 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1636
1637         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1638         (instantiate_scev_1): Move code in instantiate_scev_binary.
1639
1640 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * tree-scalar-evolution.c (instantiate_scev_name): New.
1643         (instantiate_scev_1): Move code in instantiate_scev_name.
1644
1645 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1646
1647         * Merge from mainline (150992:151171).
1648
1649 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1652
1653 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1654
1655         * graphite-dependences.c (graphite_legal_transform_bb): Call
1656         pbb_remove_duplicate_pdrs.
1657         * graphite-poly.c (can_collapse_pdr): Removed.
1658         (pdr_find_duplicate): Removed.
1659         (can_collapse_pdrs): New.
1660         (pbb_remove_duplicate_pdrs): New.
1661         (new_poly_dr): Do not look for duplicates.
1662         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1663         (PBB_PDR_DUPLICATES_REMOVED): New.
1664         (pbb_remove_duplicate_pdrs): Declared.
1665
1666 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1669         the strides by multiplying by PDR_NB_REFS.
1670         * graphite-poly.c (can_collapse_pdr): New.
1671         (pdr_find_duplicate): New.
1672         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1673         Initialize PDR_NB_REFS.
1674         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1675         (PDR_NB_REFS): New.
1676         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1677
1678 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         Revert one of the previous commits:
1681         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1682         the computation of symmetric data dependence relations.
1683         (dependency_between_pbbs_p): Same.
1684
1685 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         PR middle-end/40965
1688         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1689         any transform.
1690
1691 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-dependences.c (pddr_original_scattering): Return NULL
1694         for read-read dependence relations.
1695         * graphite-poly.h (enum poly_dr_type): Fix comment.
1696         (pdr_read_p): New.
1697         (pdr_write_p): New.
1698         (pdr_may_write_p): New.
1699
1700 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1703         (struct poly_dr): Same.
1704         (new_poly_dr): Same.
1705         * graphite-poly.c (new_poly_dr): Same.
1706
1707 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1708             Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1711         pbb_strip_mine_time_depth.  Changed the implementation so that
1712         transformation is expressed as a transformation on
1713         time (scatttering) dimensions.  Also, ensures that the 2d+1
1714         scheduling format is preserved.
1715         (pbb_strip_mine_profitable_p): Profitability is based on the
1716         iteration number of a given time (scattering) dimension,
1717         and not on a original loop depth dimension.
1718         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1719         (pbb_do_strip_mine): Call psct_dynamic_dim.
1720         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1721         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1722         (pbb_nb_dynamic_scattering_transform): New.
1723         (psct_dynamic_dim): New.
1724
1725 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1726
1727         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1728         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1729         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1730         * graphite-interchange.c (build_linearized_memory_access): Same.
1731         (memory_stride_in_loop): Same.
1732
1733 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * graphite-dependences.c (pddr_original_scattering): New.
1736         (graphite_legal_transform_dr): Call pddr_original_scattering.
1737         (dot_deps_1): New.
1738         (dot_deps): New.
1739         * graphite-dependences.h (dot_deps): Declared.
1740         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1741         (print_pdr): Print PDR_ID.
1742         * graphite-poly.h (struct poly_dr): Add field id.
1743         (PDR_ID): New.
1744         (pbb_index): New.
1745         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1746
1747 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1750         not delete the original dependence relation.
1751
1752 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1753
1754         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1755         the computation of symmetric data dependence relations.
1756         (dependency_between_pbbs_p): Same.
1757
1758 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1761         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1762         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1763         (free_poly_ddr): New.
1764         (pddr_is_empty): New.
1765         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1766         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1767         Remove fprintfs.
1768         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1769         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1770         * graphite-dependences.h (enum poly_dependence_kind): New.
1771         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1772         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1773         (PDRP_SINK): Renamed PDDR_SINK.
1774         (PDRP_DDP): Renamed PDDR_DDP.
1775         (PDDR_KIND): New.
1776         (free_poly_ddr): Declared.
1777         * graphite-poly.c (new_scop): Use the new hash function names.
1778         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1779         into original_pddrs.
1780         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1781
1782 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * Merge from mainline (150764:150992).
1785
1786 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1789         bounds with LT_EXPR to make niter analysis more precise on code
1790         generated by Graphite.
1791
1792 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1795         (graphite_legal_transform_bb): Same.
1796         (poly_drs_may_alias_p): Same.
1797
1798 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1799
1800         PR middle-end/40981
1801         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1802         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1803
1804 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * graphite-poly.c (print_pbb): Print PBB index.
1807
1808 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * Merge from mainline (r150672:150764).
1811
1812 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-interchange.c (ppl_max_for_le): Moved...
1815         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1816         * graphite-ppl.c (ppl_max_for_le): ... here.
1817         * graphite-ppl.h (ppl_max_for_le): Declared.
1818
1819 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1820
1821         * Merge from mainline (r150372:150672).
1822
1823 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         PR middle-end/40980
1826         * sese.c (convert_for_phi_arg): New.
1827         (add_guard_exit_phis): Use convert_for_phi_arg.
1828
1829         * gfortran.dg/graphite/id-17.f: New.
1830
1831 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1832
1833         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1834         unknown subscript upper bounds.
1835
1836         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1837
1838 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1839             Pranav Garg  <pranav.garg2107@gmail.com>
1840
1841         * graphite-interchange.c (gather_access_strides): Removed.
1842         (ppl_max_for_le): New.
1843         (build_linearized_memory_access): New.
1844         (memory_stride_in_loop): New.
1845         (pbb_interchange_profitable_p): Reimplemented.
1846         * graphite-ppl.h (ppl_new_id_map): New.
1847         (ppl_interchange): New.
1848
1849         * gcc.dg/graphite/interchange-6.c: XFAILed.
1850
1851 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-interchange.c (compute_subscript): Removed.
1854         (compute_array_size_cstr): Removed.
1855         (compute_array_size_poly): Removed.
1856         (compute_array_size): Removed.
1857         (gather_access_strides_poly): Removed.
1858         (gather_access_strides): Empty.
1859
1860 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-dependences.c (dependence_polyhedron_1): Replace
1863         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1864         (graphite_legal_transform_dr): Same.
1865         (graphite_carried_dependence_level_k): Same.
1866         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1867         Initialize PDR_NB_SUBSCRIPTS.
1868         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1869         PDR_NB_SUBSCRIPTS.
1870         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1871         (PDR_NB_SUBSCRIPTS): New.
1872         (pdr_nb_subscripts): Removed.
1873         (pdr_dim): Simplified.
1874         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1875         with PDR_NB_SUBSCRIPTS.
1876
1877 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1878
1879         * graphite-interchange.c (compute_array_size): Remove use of
1880         PDR_DATA_CONTAINER.
1881         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1882         Do not initialize PDR_DATA_CONTAINER.
1883         (print_pdr): Do not print PDR_DATA_CONTAINER.
1884         * graphite-poly.h (struct poly_dr): Remove data_container field.
1885         (PDR_DATA_CONTAINER): Removed.
1886         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1887         PDR_DATA_CONTAINER.
1888         (build_poly_dr): Same.
1889
1890 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * gcc.dg/graphite/interchange-9.c: New.
1893
1894 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1895             Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1898         copy of the dependence polyhedron.  Free the temporary objects.
1899         (graphite_carried_dependence_level_k): Free unused objects before
1900         returning.
1901
1902         * gcc.dg/graphite/interchange-1.c: XFAILed.
1903         * gcc.dg/graphite/interchange-2.c: XFAILed.
1904         * gcc.dg/graphite/interchange-3.c: XFAILed.
1905         * gcc.dg/graphite/interchange-4.c: XFAILed.
1906         * gcc.dg/graphite/interchange-7.c: XFAILed.
1907
1908 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1909
1910         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1911         Early return without analyzing the data dependences if no
1912         transform has been done.  Call restore_scattering if the transform
1913         is not legal.
1914         (graphite-interchange.c): Same.
1915         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1916         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1917         (apply_poly_transforms): Do not gcc_assert that
1918         the transform is legal.
1919         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1920         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1921         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1922         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1923         * graphite-poly.h (struct poly_scattering): New.
1924         (struct poly_bb): Add original, transformed, and saved fields.
1925         Remove transformed_scattering, original_scattering, nb_local_variables,
1926         and nb_scattering_transform fields.
1927         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1928         (poly_scattering_new): New.
1929         (poly_scattering_free): New.
1930         (poly_scattering_copy): New.
1931         (store_scattering_pbb): New.
1932         (store_scattering): New.
1933         (restore_scattering_pbb): New.
1934         (restore_scattering): New.
1935         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1936         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1937
1938 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1941         (print_scop): Same.
1942
1943 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1944
1945         * Makefile.in (graphite.o): Depends on PREDICT_H.
1946         * graphite.c: Include predict.h.
1947         (graphite_finalize): Call tree_estimate_probability.
1948         * predict.c (predict_loops): Do not call scev_initialize and
1949         scev_finalize.
1950         (tree_estimate_probability_bb): New.
1951         (tree_estimate_probability): Do not initialize loops: move that
1952         code to the driver.  Call tree_estimate_probability_bb.
1953         (tree_estimate_probability_driver): New.
1954         (pass_profile): Use tree_estimate_probability_driver.
1955         * predict.h (tree_estimate_probability): Declared.
1956
1957 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1960         * graphite-dependences.c (graphite_legal_transform): Add time to
1961         TV_GRAPHITE_DATA_DEPS.
1962         (dependency_between_pbbs_p): Same.
1963         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1964
1965 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1966
1967         * Merge from mainline (r149952:150372).
1968
1969 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1970
1971         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1972         * graphite-blocking.c: Same.
1973         * graphite-clast-to-gimple.c: Same.
1974         * graphite-dependences.c: Same.
1975         * graphite-poly.c: Same.
1976         * graphite-poly.h: Same.
1977         * graphite-ppl.c: Same.
1978         * graphite-scop-detection.c: Same.
1979         * graphite-sese-to-poly.c: Same.
1980         * graphite.c: Same.
1981
1982 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1983
1984         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1985         (remove_simple_copy_phi): New.
1986         (remove_invariant_phi): New.
1987         (simple_copy_phi_p): New.
1988         (reduction_phi_p): New.
1989         (gsi_for_ssa_name_def): New.
1990         (insert_out_of_ssa_copy): New.
1991         (insert_out_of_ssa_copy_on_edge): New.
1992         (create_zero_dim_array): New.
1993         (scalar_close_phi_node_p): New.
1994         (rewrite_close_phi_out_of_ssa): New.
1995         (rewrite_phi_out_of_ssa): New.
1996         (rewrite_reductions_out_of_ssa): New.
1997         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1998
1999         * gcc.dg/graphite/id-11.c: New.
2000         * gcc.dg/graphite/id-15.c: New.
2001         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2002         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2003         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2004         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2005         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2006         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2007         * gfortran.dg/graphite/id-13.f: New.
2008         * gfortran.dg/graphite/id-5.f: New.
2009
2010 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2011
2012         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2013         check that nb_reductions_in_loop is zero.
2014         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2015         reduction phi nodes.
2016         (nb_reductions_in_loop): Removed.
2017         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2018         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2019         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2020         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2021         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2022
2023 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2026         statements that have an empty iteration domain.
2027         * gfortran.dg/graphite/id-16.f: New.
2028
2029 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2030
2031         * tree-scalar-evolution.c (instantiate_scev_1): Return
2032         chrec_dont_know when the result is not above instantiate_below.
2033         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2034         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2035         the tree has a known scalar evolution.
2036         * gfortran.dg/graphite/id-14.f: New.
2037         * gfortran.dg/graphite/id-15.f: New.
2038
2039 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2040
2041         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2042         insert_gsi.
2043         (rename_variables): Keep inserting renames after the ones already
2044         inserted.
2045
2046 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * graphite-sese-to-poly.c (compare_bb_depths): New.
2049         (graphite_sort_dominated_info): New.
2050         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2051         (build_scop_scattering): Fix comment.
2052
2053 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         * graphite.c (graphite_finalize): Call print_loops instead of
2056         dump_function_to_file.
2057         * gcc.dg/graphite/graphite.exp: Fix formatting.
2058         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2059         loops generated in the graphite output file.
2060         * gcc.dg/graphite/pr35356-2.c: New.
2061         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2062         * gfortran.dg/graphite/id-12.f: New.
2063
2064 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2065
2066         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2067         Remove 2 XFAIL.
2068
2069 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2070             Tobias Grosser  <grosser@fim.uni-passau.de>
2071
2072         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2073         alias set number build alias in ACCESSES polyhedron.
2074         (build_alias_set_for_drs): New.
2075         (build_pbb_drs): Added build_alias_set_for_drs.
2076         * graphite-dependences.c (poly_drs_may_alias_p): New.
2077         (graphite_carried_dependence_level_k): Check alias information
2078         before building polyhedron.
2079
2080 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2081
2082         * Makefile.in (lambda-code.o): Fix formatting.
2083
2084 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2085
2086         * Merge from mainline (r149350-149952)
2087
2088 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2089
2090         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2091         before interchange to prepare for loop blocking.
2092
2093 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2094
2095         * graphite-poly.c (apply_poly_transforms): Add checks after every
2096         transformation.
2097         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2098         done in apply_poly_transforms.
2099
2100 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2101
2102         * graphite-dependences.c (build_lexicographically_gt_constraint):
2103         Replace RES parameter with *RES.
2104         (dependence_polyhedron_1): Pass an address of the parameter RES
2105         instead of value of RES.
2106
2107 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite.c (graphite_finalize): Fix comment.
2110         (graphite_transform_loops): Reset scev info after code generation
2111         of each scop.
2112
2113 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         * graphite.c (graphite_finalize): Call scev_reset.
2116
2117 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2120         GBB_CLOOG_IV_TYPES hash table twice.
2121         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2122         (add_condition_to_domain): Clear GMP values.
2123
2124 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2125
2126         * graphite-dependences.c: Fix formatting.
2127         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2128         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2129         * graphite-sese-to-poly.c: Fix formatting.
2130         * graphite.c (graphite_transform_loops): Create the hash table
2131         after the early return.
2132
2133 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * gcc.dg/graphite/id-14.c: New.
2136         * gcc.dg/graphite/pr40157.c: New.
2137         * gfortran.dg/graphite/id-11.f: New.
2138
2139 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2142         (build_poly_scop): Return false when there are no pbbs within
2143         loops to avoid to pass to cloog scops with no loops.
2144
2145 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2146
2147         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2148         useless test "i % 2".
2149         (build_pbb_scattering_polyhedrons): Fix formatting.
2150         (build_poly_dr): Same.
2151         * graphite.c (graphite_transform_loops): Restructure.
2152
2153 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2154
2155         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2156         reduction_list parameter.
2157         (rewrite_all_phi_nodes_with_iv): Same.
2158         (canonicalize_loop_ivs): Same.
2159         * tree-parloops.c (struct brli): Removed.
2160         (build_reduction_list_info): Removed.
2161         (build_new_reduction): New.
2162         (analyze_reduction_list): Removed.
2163         (gather_scalar_reductions): Find reductions instead of phi
2164         nodes that can't be canonicalized.
2165         (try_create_reduction_list): Remove reduction_list parameter.
2166         (gen_parallel_loop): Same.
2167         (parallelize_loops): Remove analyze_reductions variable,
2168         initialization and free.
2169         Change reduction_list htab initialization to reduction_info
2170         elements instead of ssa names.
2171         Call try_create_reduction_list and gen_parallel_loop without
2172         analyzed_reduction argument.
2173         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2174         canonicalize_loop_ivs with one less argument.
2175         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2176
2177 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2178
2179         * graphite-dependences.c (new_poly_dr_pair): New.
2180         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2181         (new_poly_dr_pair): New.
2182         (eq_poly_dr_pair_p): New.
2183         (hash_poly_dr_pair_p): New.
2184         * graphite-dependences.h (struct poly_dr_pair): New.
2185         (eq_poly_dr_pair_p): Declared.
2186         (hash_poly_dr_pair_p): Declared.
2187         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2188         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2189         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2190         * Makefile.in (graphite-poly.o): Add dependence on
2191         graphite-dependences.h.
2192
2193 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2196         polynomials of degree > 1 pass to Graphite.
2197         * tree-chrec.c (scev_is_linear_expression): Call
2198         evolution_function_is_affine_multivariate_p.
2199         * gfortran.dg/graphite/id-10.f90: New.
2200
2201 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2204         Instantiate scevs varying in outer loops.
2205         * gfortran.dg/graphite/id-9.f: Correct testcase.
2206
2207 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2208
2209         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2210         redundant constraint.
2211
2212 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2213
2214         * gcc.dg/graphite/graphite.exp: Fix comments.
2215         * gfortran.dg/graphite/graphite.exp: Trigger actions
2216         based on the file names as in the C testsuite.
2217         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2218         * gfortran.dg/graphite/block-2.f: Same.
2219         * gfortran.dg/graphite/block-3.f90: Same.
2220         * gfortran.dg/graphite/block-4.f90: Same.
2221         * gfortran.dg/graphite/id-1.f90: Same.
2222         * gfortran.dg/graphite/id-2.f90: Same.
2223         * gfortran.dg/graphite/id-3.f90: Same.
2224         * gfortran.dg/graphite/id-4.f90: Same.
2225         * gfortran.dg/graphite/id-6.f: Same.
2226         * gfortran.dg/graphite/id-9.f: Same.
2227         * gfortran.dg/graphite/interchange-1.f: Same.
2228         * gfortran.dg/graphite/interchange-2.f: Same.
2229         * gfortran.dg/graphite/scop-1.f: Same.
2230
2231 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         * sese.c (expand_scalar_variables_call): New.
2234         (expand_scalar_variables_ssa_name): Handle calls in expander.
2235
2236 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2239         Expect to see the pattern twice.
2240         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2241         * gcc.dg/graphite/interchange-5.c: Same.
2242         * gcc.dg/graphite/interchange-6.c: Same.
2243
2244 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * gcc.dg/graphite/id-10.c: New.
2247         * gcc.dg/graphite/id-12.c: New.
2248         * gfortran.dg/graphite/id-7.f: New.
2249         * gfortran.dg/graphite/id-8.f: New.
2250
2251 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2254         zero.
2255
2256 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2257
2258         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2259
2260 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2261
2262         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2263
2264 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2265
2266         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2267         building PDR subscripts.
2268
2269 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2272         computation of array sizes.
2273
2274 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2275
2276         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2277
2278 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2279
2280         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2281         build_pairwise_constraint, dr_equality_constraints,
2282         build_pairwise_scheduling_equality,
2283         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2284         build_lexicographically_gt_constraint, dependence_polyhedron,
2285         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2286         Move from NNC_Polyhedron to C_Polyhedron.
2287         * graphite-interchange.c (compute_array_size_poly,
2288         gather_access_strides): Dito.
2289         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2290         free_scop, pbb_number_of_iterations): Dito.
2291         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2292         pbb_dim_iter_domain, struct scop): Dito.
2293         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2294         new_Cloog_Domain_from_ppl_Polyhedron,
2295         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2296         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2297         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2298         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2299         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2300         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2301         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2302         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2303         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2304         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2305         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2306         build_scop_iteration_domain, build_poly_dr): Dito
2307
2308 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2311         run-id-*.c files.
2312         * gcc.dg/graphite/run-id-1.c: New.
2313
2314 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2317         positivity constraint on the symbolic number of iterations.
2318
2319 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2320
2321         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2322
2323 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2324             Tobias Grosser  <grosser@fim.uni-passau.de>
2325
2326         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2327         (build_cloog_prog): Directly use SCOP_CONTEXT.
2328         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2329         (free_scop): Free SCOP_CONTEXT.
2330         (print_scop_context): New.
2331         (print_scop): Call print_scop_context.
2332         (debug_scop_context): New.
2333         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2334         (struct scop): Added field context.
2335         (SCOP_CONTEXT): New.
2336         * graphite-sese-to-poly.c (add_param_constraints): New.
2337         (build_scop_context): New.
2338         (build_poly_scop): Call build_scop_context.
2339
2340 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2343         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2344         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2345         * graphite-ppl.h: Include double-int.h and tree.h.
2346         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2347         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2348         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2349         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2350
2351 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2352
2353         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2354         POINTER_PLUS_EXPR for pointer types.
2355         (clast_to_gcc_expression): Same.
2356
2357 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         * graphite-poly.c (print_scattering_function): Early return when
2360         PBB_TRANSFORMED_SCATTERING is not initialized.
2361         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2362
2363 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2366         to fix bootstrap.
2367
2368 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2369
2370         * tree-parloops.c (analyze_reduction_list): Change return
2371         value to void.
2372         (try_create_reduction_list): Move the call to
2373         analyze_reduction_list to the beginining.
2374         Call reduction_phi with analyzed_reductions as argument
2375         instead of reduction_list.
2376
2377 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2378
2379         *  Merge from mainline (r148296:149346)
2380
2381 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * graphite-scop-detection.c (graphite_can_represent_init): New.
2384         (graphite_can_represent_scev): Call graphite_can_represent_init:
2385         check that the initial value does not contain multiplications of
2386         parameters.
2387         (stmt_has_simple_data_refs_p): New.
2388         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2389         (is_simple_operand): Fix formatting.
2390         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2391
2392 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2393
2394         * gcc.dg/graphite/id-13.c: New.
2395         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2396         analyze_scalar_evolution, use scalar_evolution_in_region.
2397         (scan_tree_for_params_right_scev): Add extra assert.
2398         (parameter_index_in_region_1): Split from parameter_index_in_region.
2399         (idx_record_params): Use scalar_evolution_in_region.
2400         (find_params_in_bb): Same.
2401         (find_scop_parameters): Same.
2402         (build_loop_iteration_domains): Same.
2403         (create_linear_expr_from_tree): Same.
2404         * sese.c (scalar_evolution_in_region): New.
2405         * sese.h (scalar_evolution_in_region): Declared.
2406         (defined_in_sese_p): New.
2407         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2408         static anymore.
2409         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2410         Declared.
2411
2412 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2413
2414         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2415         TREE_DATA_REF_H also implies SCEV_H.
2416
2417 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-poly.c (print_scop_params): New.
2420         (print_scop): Call print_scop_params.
2421         (debug_scop_params): New.
2422         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2423
2424 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2425
2426         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2427         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2428         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2429         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2430         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2431         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2432
2433 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2434
2435         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2436         for dependency checking part.
2437         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2438         tests for dependency checking.
2439         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2440         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2441         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2442         flag -fdump-tree-graphite-all for autopar testsuites.
2443
2444 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2447         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2448         canonicalize_loop_ivs): Moved...
2449         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2450
2451 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * tree-parloops.c (try_create_reduction_list): Pass an extra
2454         argument analyzed_reductions.  Call analyze_reduction_list.
2455         (gen_parallel_loop): Do not call analyze_reduction_list.
2456         (parallelize_loops): Init and finalize analyzed_reductions.
2457
2458 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2459
2460         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2461         Added flag -fno-loop-strip-mine for autopar testcase.
2462
2463 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2464
2465         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2466         transformed scattering dimension instead of unmatch orignal when
2467         calling dependence_polyhedron.
2468
2469 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2470
2471         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2472
2473 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2476         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2477
2478 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2479
2480         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2481         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2482         * graphite-poly.c (pbb_number_of_iterations): New.
2483         * graphite-poly.h (pbb_number_of_iterations): Declared.
2484         (pbb_iterator_dim, pbb_parameter_dim): New.
2485
2486 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2489         last commit on type of lower and upper bound of loops.
2490
2491 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2492
2493         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2494         graphite-dependences.h.
2495         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2496         (mark_bb_with_pbb): New.
2497         (get_stmtfor_depth): New.
2498         (find_pbb_via_hash): New.
2499         (dependency_in_loop_p): New.
2500         (mark_loops_parallel): New.
2501         (free_aux_in_new_loops): New.
2502         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2503         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2504         innermost loop parallel without checking.
2505         (gloog): Add parameter BB_PBB_MAPPING.
2506         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2507         (gloog): Change declaration.
2508         (mark_loop_parallel): Make extern.
2509         (free_aux_in_new_loops): Declare.
2510         (bb_pbb_map_hash): New.
2511         (eq_bb_pbb_map): New.
2512         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2513         auto parallelization when flag_graphite_force_parallel is set.
2514         (graphite_finalize): Added free_aux_in_new_loops.
2515         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2516         the innermost loop that marked parallel.  Use
2517         flag_graphite_force_parallel instead of loop->can_be_parallel.
2518         (loop_parallel_p): Move inner most checking out of function.
2519
2520 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2523         type of lower and upper bound of loops signed long int.
2524
2525 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2526
2527         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2528         expression outside the loop.
2529
2530 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         * gcc.dg/graphite/interchange-8.c: New.
2533
2534 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2535
2536         * gcc.dg/graphite/interchange-0.c: XFailed.
2537         * gcc.dg/graphite/interchange-5.c: XFailed.
2538         * gcc.dg/graphite/interchange-6.c: XFailed.
2539
2540 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2541
2542         * graphite-interchange.c (compute_array_size_poly): The end of the
2543         recursion should return 1.
2544
2545 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         * graphite-interchange.c (compute_array_size_cstr): Allow the
2548         subscript multiplier to be -1.
2549         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2550         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2551         data_container.  Initializes PDR_DATA_CONTAINER.
2552         (print_pdr_access_layout): New.
2553         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2554         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2555         data_container.
2556         (PDR_DATA_CONTAINER): New.
2557         (new_poly_dr): Update declaration.
2558         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2559         (build_poly_dr): Call pdr_add_data_dimensions.
2560
2561 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite-poly.h (struct poly_dr): Fix comment.
2564         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2565         (pdr_add_memory_accesses): New.
2566         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2567
2568 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2569
2570         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2571         (print_pbb): Add call to print_pdrs.
2572         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2573
2574 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2575             Li Feng <nemokingdom@gmail.com>
2576
2577         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2578         (dependency_between_pbbs_p): New.
2579         (lexicographically_gt_p): Assure !empty_p before polyhedron
2580         intersection assign.
2581         (build_lexicographically_gt_constraint): Correct lexicographically
2582         judging.
2583         * graphite-dependences.h: New.
2584         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2585
2586 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2589         (gloog): Print to dump_file the generated clast.
2590         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2591         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2592
2593 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2594
2595         * graphite-poly.c (extend_scattering): Increment
2596         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2597
2598 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * graphite-interchange.c (compute_array_size_poly): Added exit of
2601         recursion condition.  Continue iterating even after the first equality.
2602         (compute_array_size): Same.
2603
2604 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2605
2606         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2607         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2608         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2609         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2610         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2611
2612 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2615         only when the use verifies is_gimple_reg.
2616
2617 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2618
2619         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2620         Allocate scaldims after call to unify_scattering_dimensions.
2621
2622 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2623
2624         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2625
2626 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2627             Albert Cohen  <albert.cohen@inria.fr>
2628
2629         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2630         variables for the strip mining.
2631
2632 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2633             Pranav Garg  <pranav.garg2107@gmail.com>
2634
2635         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2636         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2637         (graphite-blocking.o): New rule.
2638         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2639         * graphite-blocking.c: New.
2640         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2641         flag_loop_strip_mine.
2642         (psct_scattering_dim_for_loop_depth): New.
2643         * graphite-poly.h (scop_do_strip_mine): Declared.
2644         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2645         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2646         flag_loop_strip_mine.
2647
2648 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2651         a GMP value and a PPL coefficient at each iteration of a loop.
2652
2653 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * graphite-dependences.c (dependence_polyhedron): Do not use
2656         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2657         pbb_nb_scattering_transform.
2658         (graphite_legal_transform_dr): Same.
2659         * graphite-poly.c (extend_scattering): Same.
2660         (unify_scattering_dimensions): Same.
2661         (print_scattering_function): Same.
2662         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2663         PBB_NB_LOCAL_VARIABLES.
2664         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2665         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2666         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2667         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2668         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2669         (pbb_nb_scattering_transform): New.
2670         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2671         (psco_scattering_dim): Add assert on parameters.
2672         (psct_scattering_dim): Same.
2673         (psct_scattering_dim_for_loop_depth): Declared.
2674         (psct_local_var_dim): New.
2675         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2676         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2677         correct layout, call pbb_nb_local_vars.
2678         (psct_add_local_variable, psct_add_scattering_dimension): New.
2679         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2680         Initialize PBB_NB_SCATTERING_TRANSFORM.
2681
2682 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2683
2684         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2685         (set_coef): Renamed ppl_set_coef.
2686         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2687
2688 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2689
2690         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2691         test a boolean against 1.
2692         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2693         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2694         (pbb_do_interchange): Returns true when a transform has been performed.
2695         (scop_do_interchange): Same.
2696         * graphite-poly.c (apply_poly_transforms): Use the return value of
2697         scop_do_interchange.
2698         * graphite-poly.h (scop_do_interchange): Update declaration.
2699
2700 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2701
2702         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2703         after last use.
2704         * sese.c (sese_reset_aux_in_loops): New.
2705         * sese.h (sese_reset_aux_in_loops): New.
2706
2707 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2708
2709         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2710         multiplier and multiply the constant by the multiplier.
2711         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2712         (build_poly_dr): Do not use the multiplier to define the subscript.
2713
2714 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2717         compiler's data reference.  Initialize PDR_CDR.
2718         (print_pdr): Call dump_data_reference.
2719         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2720         Add compiler_dr field.
2721         (PDR_BB): Renamed PDR_PBB.
2722         (PDR_CDR): New.
2723         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2724         GCC's data reference representation.
2725         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2726         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2727
2728 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite-poly.c (print_scattering_function): Also print the layout.
2731         * graphite-poly.h (pbb_nb_local_vars): New.
2732
2733 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2736
2737 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2738
2739         * graphite-poly.c (print_pdr, debug_pdr): New.
2740         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2741         (PDR_BASE): Removed.
2742
2743 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2746         ltrans-{1..6,8}.c.
2747
2748 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2751         subscript identification column.
2752         (pbb_do_interchange): Print to dump_file that some loops "will be
2753         interchanged".  Rely on that chain of characters in the testcases.
2754         * gcc.dg/graphite/interchange-0.c: New.
2755         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2756         interchange-*.c files and compile them with -floop-interchange.
2757
2758 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2759
2760         * graphite-interchange.c (interchange_profitable_p): Renamed
2761         pbb_interchange_profitable_p.
2762
2763 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2764             Harsha Jagasia  <harsha.jagasia@amd.com>
2765             Pranav Garg  <pranav.garg2107@gmail.com>
2766
2767         * graphite-interchange.c (interchange_profitable_p): Make static.
2768         (pbb_interchange_loop_depths, pbb_do_interchange,
2769         scop_do_interchange): New.
2770         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2771         for flag_loop_interchange.
2772         * graphite-poly.h (scop_do_interchange): Declared.
2773         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2774         flag_loop_interchange is used.
2775
2776 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-dependences.c (dependence_polyhedron): Update use of
2779         pbb_nb_scattering_dims.
2780         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2781         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2782         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2783         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2784
2785 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * graphite.c: Cleanup foo.
2788
2789 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * Merge from mainline (r143684:148293).
2792         * Disabled libpcp until it gets fixed.
2793
2794 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2795             Harsha Jagasia  <harsha.jagasia@amd.com>
2796
2797         * graphite-interchange.c: New.
2798         * Makefile.in (graphite-interchange.o): New.
2799         * graphite-poly.h (interchange_profitable_p): Declared.
2800         * graphite-ppl.h (value_max): New.
2801
2802 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2805         * graphite-poly.h: Fix some comments.
2806         (pdr_dim): New.
2807         (pdr_scop): New.
2808
2809 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * graphite-poly.h
2812         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2813         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2814         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2815         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2816         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2817         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2818         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2819         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2820         * graphite-clast-to-gimple.c: Same.
2821         * graphite-dependences.c: Same.
2822         * graphite-poly.c: Same.
2823         * graphite-sese-to-poly.c: Same.
2824
2825 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2828         expressions for an IV rename, as returned by clast_to_gcc_expression.
2829         (copy_renames): Rename new_name to expr.
2830         * sese.c (debug_rename_elt): Same.
2831         (get_rename): Same.
2832         (set_rename): Same.
2833         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2834         the information from the rename map.
2835         (rename_variables_in_stmt): Same.
2836         (add_loop_exit_phis): Rename new_name to expr.
2837         (insert_loop_close_phis): Same.
2838         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2839         * sese.h (struct rename_map_elt): Rename new_name to expr.
2840         (new_rename_map_elt): Same.
2841
2842 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2843
2844         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2845         * sese.c (set_rename): Make it extern.
2846         * sese.h (set_rename): Declared.
2847
2848 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * graphite-poly.c (extend_scattering): Free values.
2851         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2852         Free iterators.
2853         (ppl_print_powerset_matrix): Same.
2854         * graphite-scop-detection.c (free_scops_1): New.
2855         (limit_scops): Call free_scops_1.
2856         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2857         (build_poly_dr): Free PPL coefficients.
2858         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2859
2860 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2861
2862         * graphite-dependences.c: New.
2863         * graphite-data-ref.c: Removed.
2864         * graphite-data-ref.h: Removed.
2865         * Makefile.in (graphite-data-ref.o): Removed.
2866         (graphite-dependences.o): Added.
2867         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2868         * graphite-poly.c: Same.
2869         Move the data dependence testing to graphite-dependences.c.
2870
2871 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2872
2873         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2874         from graphite_cannot_represent_loop. Code refactored.
2875         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2876
2877 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2878
2879         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2880         Cover all the testcases (not only the filtered ones).
2881
2882 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2883
2884         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2885         unnecessary check. Update comments. Move check for REAL_TYPE here.
2886         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2887         done in (stmt_simple_for_scop_p).
2888
2889 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2890
2891         * graphite.c (print_global_statistics): New.
2892         (print_graphite_scop_statistic): New.
2893         (print_graphite_statistics): New.
2894         (graphite_initialize, graphite_transform_loops): Print statistics.
2895         * graphite-scop-detection (build_scops): Print statistics.
2896         (print_graphite_scop_statistics): New.
2897         (print_graphite_statistics): New.
2898
2899 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2902         (debug_clast_name_index): Removed.
2903         (debug_clast_name_indexes_1): Removed.
2904         (debug_clast_name_indexes): Removed.
2905         (clast_name_index_elt_info): Removed.
2906         (eq_clast_name_indexes): Removed.
2907         (clast_name_to_index): Removed.
2908         (new_clast_name_index): Removed.
2909         (save_clast_name_index): Removed.
2910         (save_var_name): Moved...
2911         (init_sese_params_index): Removed.
2912         (clast_name_to_gcc): Remove use of name_tree.
2913         (initialize_cloog_names): Same.
2914         (gloog): Do not call init_sese_params_index.
2915         * graphite-sese-to-poly.c (save_var_name): ...here.
2916         (parameter_index_in_region): New.
2917         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2918         (parameter_index_in_region): Removed.
2919         (is_parameter): Remove use of name_tree.
2920         * sese.h (struct name_tree): Removed.
2921         (struct sese): Remove use of name_tree.  New field params_names.
2922         (SESE_PARAMS_NAMES): New.
2923         (SESE_PARAMS): Remove duplicate.
2924         (parameter_index_in_region): Removed.
2925         (sese_nb_params): Remove use of name_tree.
2926         (struct clast_name_index): New.
2927         (new_clast_name_index): New.
2928         (clast_name_to_index): New.
2929         (save_clast_name_index): New.
2930         (debug_clast_name_index): New.
2931         (debug_clast_name_indexes_1): New.
2932         (debug_clast_name_indexes): New.
2933         (clast_name_index_elt_info): New.
2934         (eq_clast_name_indexes): New.
2935
2936 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2939         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2940         (graphite_loop_normal_form): Do not pass region.  Do not
2941         initialize SESE_OLDIVS.
2942         (build_graphite_loop_normal_form): Update call to
2943         graphite_loop_normal_form.
2944         * sese.c (debug_oldivs): Removed.
2945         (new_sese): Do not initialize SESE_OLDIVS.
2946         (free_sese): Do not free SESE_OLDIVS.
2947         (oldiv_for_loop): Removed.
2948         * sese.h (struct sese): Remove old_ivs.
2949         (SESE_OLDIVS): Removed.
2950         (oldiv_for_loop): Removed.
2951
2952 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2953
2954         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2955         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2956         replaced by a call to newivs_to_depth_to_newiv.
2957         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2958         (clast_to_gcc_expression_red): Same.
2959         (gcc_type_for_clast_expr): Same.
2960         (gcc_type_for_clast_eq): Same.
2961         (graphite_translate_clast_equation): Same.
2962         (graphite_create_guard_cond_expr): Same.
2963         (graphite_create_new_guard): Same.
2964         (graphite_create_new_loop): Same.
2965         (build_iv_mapping): Same.
2966         (translate_clast): Same.
2967         (gloog): Same.
2968         (loop_iv_stack_patch_for_consts): Removed.  *
2969         sese.c (iv_stack_entry_is_constant): Removed.
2970         (iv_stack_entry_is_iv): Removed.
2971         (loop_iv_stack_push_iv): Removed.
2972         (loop_iv_stack_insert_constant): Removed.
2973         (loop_iv_stack_pop): Removed.
2974         (loop_iv_stack_get_iv): Removed.
2975         (loop_iv_stack_get_iv_from_name): Removed.
2976         (debug_loop_iv_stack): Removed.
2977         (free_loop_iv_stack): Removed.
2978         (loop_iv_stack_remove_constants): Removed.  *
2979         sese.h (iv_stack_entry_kind): Removed.
2980         (iv_stack_entry_data_union): Removed.
2981         (iv_stack_entry_struct): Removed.
2982         (iv_stack_entry_p): Removed.
2983         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2984         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2985         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2986         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2987         (gbb_loop_at_index): Fix indenting.
2988         (gbb_loop_index): Removed.
2989
2990 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2991
2992         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2993         Call clast_name_to_index.
2994
2995 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2996
2997         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2998         do not pass params.  Get params from SESE_PARAMS.
2999         (clast_to_gcc_expression): Same.
3000         (clast_to_gcc_expression_red): Same.
3001         (gcc_type_for_clast_eq): Same.
3002         (graphite_translate_clast_equation): Same.
3003         (graphite_create_new_loop): Same.
3004         * sese.c (rename_variables_in_stmt): Fix comment.
3005
3006 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3009         newivs_index.
3010         Call save_clast_name_index.
3011         (translate_clast): Pass newivs_index.
3012         (gloog): Create and free newivs_index.
3013
3014 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3017         (clast_name_index_p): New type.
3018         (debug_clast_name_index): New.
3019         (debug_clast_name_indexes_1): New.
3020         (debug_clast_name_indexes): New.
3021         (clast_name_index_elt_info): New.
3022         (eq_clast_name_indexes): New.
3023         (clast_name_to_index): New.
3024         (new_clast_name_index): New.
3025         (save_clast_name_index): New.
3026         (init_sese_params_index): New.
3027         (gloog): Call init_sese_params_index.
3028         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3029         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3030         (free_sese): Free SESE_PARAMS_INDEX.
3031         * sese.h (struct sese): Add params_index.
3032         (SESE_PARAMS_INDEX): New.
3033
3034 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3037         (graphite_create_new_loop): Pass the newivs vector.  Push the
3038         newly created IV to newivs.
3039         (translate_clast): Pass the newivs vector.
3040         (gloog): Create and destroy the newivs vector.
3041
3042 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3045         (graphite_loop_normal_form): Initialize loop->aux with the unique
3046         IV that has been created.
3047
3048 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3049
3050         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3051         scev with parameters in the base part. They where forbidden
3052         exidently.
3053
3054 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3055
3056         * gcc.dg/graphite/graphite.exp: Set different default
3057         compile options by file names.
3058         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3059         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3060         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3061         * gcc.dg/graphite/scop-matmult.c: Ditto.
3062
3063 2009-05-08  Li Feng <nemokingdom@gmail.com>
3064
3065         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3066         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3067         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3068         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3069
3070 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3071
3072         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3073         by final cleanup.
3074
3075 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3076
3077         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3078         allow integer constant strides.
3079         (graphite_can_represent_expr): Depend on outermost_loop.
3080         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3081         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3082         build_scops_1): Same.
3083         (scopdet_basic_block_info): Same and insert layered SCoP
3084         detection.
3085         (try_generate_gimple_bb): Cleanup.
3086         (build_scops): Enable data references.
3087
3088         * gcc.dg/graphite/id-5.c: New.
3089         * gcc.dg/graphite/id-9.c: New.
3090         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3091         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3092
3093 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3094
3095         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3096         that we have not yet built for this SCoP.
3097
3098 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3099
3100         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3101         for complex numbers.
3102
3103 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3104
3105         * graphite-ppl.c: Fix build if cloog is not available.
3106
3107 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3108
3109         * tree-parloops.c (loop_parallel_p): Remove construction of
3110         NITER and REDUCTION_LIST.
3111         (try_get_loop_niter): New.
3112         (try_create_reduction_list): New.
3113         (parallelize_loops): Bypass the failed checkings in autopar
3114         when can_be_parallel in loop structure is set to true.
3115
3116 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3117
3118         * gcc.dg/graphite/id-6.c: Update testcase.
3119         * gcc.dg/graphite/scop-3.c: Dito.
3120
3121 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3122
3123         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3124         Enable EQ_EXPR and NE_EXPR again.
3125
3126 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3127
3128         * graphite-scop-detection.c (graphite_can_represent_scev):
3129         Add check if scev is affine multivariate.
3130         (harmful_stmt_in_bb): Check if we can represent the conditions.
3131         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3132         harmful_stmt_in_bb.
3133         * gcc.dg/graphite/id-7.c: New.
3134
3135 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3136
3137         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3138         Check all bbs in region, not only the bbs that are represented in
3139         GRAPHITE.
3140         (build_poly_scop): Add newline.
3141         * gcc.dg/graphite/id-8.c: New.
3142
3143 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3144
3145         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3146         when loop initialize.
3147         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3148         * common.opt: Declare flag_graphite_force_parallel.
3149         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3150         loop parallel.
3151         * graphite-poly.c (apply_poly_transforms): Introduce
3152         flag_graphite_force_parallel.
3153         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3154         * toplev.c (process_options): ditto and replace a not correctly
3155         encoded space.
3156
3157 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3158
3159         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3160         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3161         to the redefinition.
3162         (compute_cloog_iv_types_1): ditto.
3163         (build_iv_mapping): ditto.
3164         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3165         initialization.
3166         (free_gimple_bb): Removed GBB_LOOPS related free part.
3167         (build_bb_loops): Removed.
3168         * sese.h (struct gimple_bb): Removed loops.
3169         (GBB_LOOPS): Removed.
3170         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3171         (gbb_loop_index): ditto.
3172
3173 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3174
3175         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3176         allow non constant strides.
3177         * gcc.dg/graphite/scop-20.c: New.
3178
3179 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181         * graphite-scop-detection.c (dot_all_scops): Fix system call
3182         return value warning.
3183         (dot_scop): Same.
3184
3185 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3186
3187         * gcc.dg/graphite/id-6.c: Fix pattern.
3188         * gcc.dg/graphite/scop-3.c: Same.
3189
3190 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3193         build_pairwise_constraint, dr_equality_constraints,
3194         build_pairwise_scheduling_equality,
3195         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3196         build_lexicographically_gt_constraint, dependence_polyhedron,
3197         graphite_legal_transform_dr, graphite_legal_transform_bb,
3198         graphite_legal_transform): New.
3199         * graphite-poly.h (graphite_legal_transform): Declared.
3200         * graphite-sese-to-poly.c (build_poly_scop): Call to
3201         graphite_legal_transform is disabled for the moment.
3202
3203 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * graphite-poly.h (pbb_nb_scattering_dims): New.
3206         (pbb_nb_scattering): Use it.
3207
3208 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3211         Pointset_Powerset version of ppl_insert_dimensions.
3212         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3213
3214 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3215
3216         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3217
3218 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         * graphite-poly.h: Fix comment.
3221
3222 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3225
3226 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3227
3228         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3229         statements.
3230
3231 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3232
3233         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3234         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3235         conditions.
3236
3237 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3238
3239         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3240         handle EQ_EXPR and NE_EXPR.
3241
3242 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3243
3244         * graphite-poly.h (poly_dr): Fix comment.
3245
3246 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3247             Tobias Grosser  <grosser@fim.uni-passau.de>
3248
3249         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3250         with a zero dimension polyhedron.
3251         (find_scop_parameters): Move the call to scop_set_nb_params here.
3252         (build_loop_iteration_domains): Store in loop->aux the iteration
3253         domain polyhedron.
3254         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3255         by any loop in scop.
3256         (build_poly_scop): Do not call scop_set_nb_params.
3257
3258 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3259             Tobias Grosser  <grosser@fim.uni-passau.de>
3260
3261         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3262         add_condition_to_domain not GT_EXPR.
3263
3264 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3265
3266         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3267         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3268         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3269         upper_bound_assign to calculate unions.
3270         * gcc.dg/graphite/id-6.c: New.
3271
3272 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3273
3274         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3275         handle abnormal edges.
3276
3277 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3278
3279         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3280         (free_poly_bb): Also free poly_drs.
3281         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3282         (poly_dr): Polyhedron to Pointset_Powerset.
3283         (pdr_accessp_nb_subscripts): Same.
3284         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3285         poly_drs.
3286
3287 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3290         names into more meaningful names.
3291
3292 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * gfortran.dg/graphite/interchange-1.c: New.
3295         * gfortran.dg/graphite/interchange-2.c: New.
3296
3297 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3300         the reduction_list.
3301         * tree-parloops.c (rewrite_phi_with_iv): New.
3302         (rewrite_all_phi_nodes_with_iv): New.
3303         (canonicalize_loop_ivs): Call them.
3304
3305 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3306
3307         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3308         graphite_find_data_references_in_stmt.
3309         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3310         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3311
3312 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3313
3314         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3315
3316 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3319         instead of bb_in_region.
3320         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3321         (build_sese_conditions): Use flag_bb_in_sese.
3322         * sese.c (register_bb_in_sese): Removed.
3323         (new_sese): Remove initialization of SESE_REGION_BBS.
3324         (free_sese): Do not free SESE_REGION_BBS.
3325         * sese.h (struct sese): Remove field region_basic_blocks.
3326         (SESE_REGION_BBS): Removed.
3327         (bb_in_sese_p): Implement in function of bb_in_region.
3328
3329 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3332         loops.
3333
3334 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3335
3336         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3337         and EQ_EXPR.
3338         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3339         (add_condition_to_domain): New.
3340         (add_condition_to_pbb): New.
3341         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3342         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3343
3344 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3345
3346         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3347         ppl_Pointset_Powerset.
3348         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3349         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3350         (pbb_nb_loops): Same.
3351         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3352         add_conditions_to_domain): Same.
3353         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3354         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3355         ppl_const_Polyhedron_t.
3356         (ppl_print_powerset_matrix): New.
3357         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3358         ppl_print_powerset_matrix): New.
3359         (ppl_print_polyhedron_matrix): Updated.
3360
3361 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3364
3365 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3366
3367         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3368         (print_iteration_domains, debug_iteration_domain,
3369         debug_iteration_domains): New.
3370         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3371         debug_iteration_domains): Declared.
3372         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3373         indenting.
3374
3375 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3376             Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         * graphite-poly.h (print_iteration_domain): New.
3379         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3380         (build_sese_conditions_1, build_sese_conditions_after,
3381         build_sese_conditions_before): New.
3382         (build_sese_conditions): Rewritten.
3383
3384 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3385             Tobias Grosser  <grosser@fim.uni-passau.de>
3386
3387         Cleanup of code generation liveouts.
3388         * graphite-clast-to-gimple.c (translate_clast): Use a single
3389         rename_map instead of one per translated statement.
3390         Do not use SESE_LIVEOUT_RENAMES.
3391         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3392         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3393         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3394         phi node of a reduction: when a loop contains a reduction used outside
3395         the loop, there should be a scalar close phi node on the exit block.
3396         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3397         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3398         (free_sese): Do not free them.
3399         (sese_build_liveouts_use): Do not use them.
3400         (sese_build_liveouts_bb): Same.
3401         (sese_build_liveouts): Same.
3402         (sese_insert_phis_for_liveouts): Same.
3403         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3404         (defined_in_loop_p): New.
3405         (alive_after_loop): New.
3406         (close_phi_not_yet_inserted_p): New.
3407         (struct alep, alep_p): New.
3408         (add_loop_exit_phis): Remove from the rename_map all the names defined
3409         in the code generated loop.
3410         (insert_loop_close_phis): Traverse the rename_map passed to it.
3411         Don't use SESE_LIVEOUT_RENAMES.
3412         (default_liveout_before_guard): Renamed default_before_guard.
3413         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3414         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3415         (register_sese_liveout_renames): Removed.
3416         (copy_bb_and_scalar_dependences): Do not call it.
3417         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3418         reduction_list.
3419         (SESE_LIVEOUT): Removed.
3420         (SESE_LIVEOUT_RENAMES): Removed.
3421         (SESE_REDUCTION_LIST): Removed.
3422         (sese_build_liveouts): Removed.
3423         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3424         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3425         (insert_guard_phis): Same.
3426         (rename_map_elt): Declare a VEC of them.
3427         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3428         trees not pointers to trees.
3429
3430         Rewrite in canonical close SSA form:
3431         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3432         (limit_scops): Close the scop after the block containing the close phi
3433         nodes.
3434         (canonicalize_loop_closed_ssa): New.
3435         (canonicalize_loop_closed_ssa_form): New.
3436         (build_scops): Call canonicalize_loop_closed_ssa_form.
3437
3438         * graphite-sese-to-poly.c: Fix typos.
3439
3440 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3441
3442         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3443         Extended.
3444         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3445         (print_pbb): Add conditions.
3446
3447 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3448             Sebastian Pop  <sebastian.pop@amd.com>
3449
3450         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3451         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3452         (build_scop_bbs_1): New.
3453         (build_scop_bbs): Rewrite.
3454         * sese.h (bb_in_region): New.
3455
3456 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3457
3458         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3459         poly_drs vector.
3460         (print_scop): Style.
3461         * graphite-poly.h (poly_bb): Add drs vector.
3462         (PBB_DRS): Add accessor.
3463         * graphite-sese-to-poly.c (build_poly_dr): New.
3464         (build_pbb_drs, build_scop_drs): New.
3465         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3466
3467 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3468
3469         * tree-ssa-loop.c: Include forgotten toplev.h
3470
3471 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3472
3473         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3474         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3475         * gcc.dg/graphite/pr37928.c: Same
3476         * gcc.dg/graphite/pr38409.c: Same
3477         * gcc.dg/graphite/pr38498.c: Same
3478         * gcc.dg/graphite/pr38559.c: Same
3479         * gcc.dg/graphite/pr39335.c: Same
3480         * gcc.dg/graphite/pr39335_1.c: Same
3481         * gfortran.dg/graphite/block-2.f: Same
3482         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3483         with -floop-*.
3484
3485 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3486
3487         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3488         build_access_matrix, build_scop_data_accesses): Remove access function
3489         building. (We get a new version soon).
3490         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3491         * sese.h (nb_loops_around_loop_in_sese): Remove.
3492         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3493
3494 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3495             Sebastian Pop  <sebastian.pop@amd.com>
3496
3497         * graphite-scop-detection.c (struct scopdet_info): Rename last
3498         field to exit.
3499         (scopdet_basic_block_info, build_scops_1): Don't use
3500         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3501
3502 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3503             Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3506         * sese.c (sese_build_liveouts_use): Renamed from
3507         sese_build_livein_liveouts_use. Remove liveins.
3508         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3509         Call sese_build_liveouts_use.
3510         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3511         Call sese_build_liveouts_bb.
3512         (new_sese, free_sese): Remove liveins.
3513         (sese_add_exit_phis_var): Deleted.
3514         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3515         directly.
3516         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3517
3518         * sese.h (sese): Remove num_ver and livein.
3519         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3520
3521 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3522
3523         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3524
3525 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3526
3527         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3528         (build_scop_scattering): Do not use compare_prefix_loops any more.
3529         (nb_common_loops): New.
3530
3531 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3532
3533         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3534         (register_old_and_new_names): Renamed set_rename.
3535
3536 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3537
3538         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3539         of the decl from the previous commit.
3540
3541 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3542
3543         * graphite-scop-detection.c (dot_scop): New.
3544         * graphite-scop-detection.h (dot_scop): Declared.
3545
3546 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3547
3548         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3549
3550 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3551
3552         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3553         condition at the end of the loop.
3554         * graphite.c (graphite_initialize, graphite_finalize): Print to
3555         dump_file the compiled function.
3556         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3557         of create_empty_loop_on_edge.
3558         (translate_clast): Update the code generation of loops for the new
3559         shape of loops.
3560         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3561
3562 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         Reverted the patch from 2009-03-19.
3565
3566 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3567
3568         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3569         poly_drs vector.
3570         (print_scop): Style.
3571         * graphite-poly.h (poly_bb): Add drs vector.
3572         (PBB_DRS): Add accessor.
3573         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3574         (build_access_matrix_with_af, build_access_matrix,
3575         build_scop_data_accesses): Delete.
3576         (build_poly_dr): New.
3577         (build_pbb_drs, build_scop_drs): New.
3578         (build_poly_scop): call build_scop_drs.
3579
3580 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3581
3582         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3583         once per basic block.
3584
3585 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3586
3587         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3588         (graphite_can_represent_expr): Renamed from loop_affine_expr
3589         and enhanced.
3590         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3591         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3592         (scopdet_basic_block_info): Actually define entry_block.
3593         (stmt_simple_memref_p): Moved here from ...
3594
3595         * tree-data-ref.c (stmt_simple_memref_p): here.
3596         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3597
3598 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3599
3600         * gcc.dg/graphite/id-4.c: New.
3601
3602 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3605         (register_old_and_new_names): Update the content of the map.
3606         When there was already a rename_map_elt in the map at that
3607         location, free it.
3608         (copy_bb_and_scalar_dependences): Do rename_variables after
3609         expand_scalar_variables.
3610         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3611         of the map.  When there was already a rename_map_elt in the
3612         map at that location, free it.
3613         (translate_clast): Pass the rename_map.  Do not initialize and free
3614         a rename_map per stmt_user.
3615         (gloog): Initialize and free one rename_map and pass it to
3616         translate_clast.
3617
3618 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3619
3620         * sese.c (expand_scalar_variables_stmt,
3621         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3622         parameter.
3623         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3624         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3625         the gimple_stmt_iterator of the statement to be expanded.
3626         * graphite-scop-detection.c (is_simple_operand): Do handle
3627         REALPART_EXPR.
3628
3629 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3630
3631         * graphite-scop-detection.c (is_simple_operand): Do not handle
3632         REALPART_EXPR.
3633         * gcc.dg/graphite/id-2.c: New.
3634
3635         * graphite-sese-to-poly.c (build_bb_loops,
3636         add_value_to_dim, scan_tree_for_params_right_scev,
3637         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3638         find_params_in_bb, build_loop_iteration_domains,
3639         add_conditions_to_domain): Remove subtract.
3640
3641 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3642
3643         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3644         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3645         pbb_loop_at_index -> gbb_loop_at_index.
3646         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3647         (debug_loop_vec): Delete.
3648         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3649         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3650         (PBB_LOOPS): Removed.
3651         (PBB_BLACK_BOX): Insert cast.
3652         (pbb_set_black_box): New setter.
3653         (pbb_loop_at_index, pbb_loop_index): Removed.
3654         (scop_set_region, scop_set_nb_params): New.
3655         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3656         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3657         (build_poly_scop): Use scop_set_nb_params.
3658         * sese.h (gimple_bb): Add LOOPS.
3659         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3660
3661 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3662
3663         Revert previous commit.
3664
3665 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3666
3667         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3668         (register_old_and_new_names): Update the content of the map.
3669         When there was already a rename_map_elt in the map at that
3670         location, free it.
3671         (copy_bb_and_scalar_dependences): Do rename_variables after
3672         expand_scalar_variables.
3673         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3674         of the map.  When there was already a rename_map_elt in the
3675         map at that location, free it.
3676         (translate_clast): Pass the rename_map.  Do not initialize and free
3677         a rename_map per stmt_user.
3678         (gloog): Initialize and free one rename_map and pass it to
3679         translate_clast.
3680
3681 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3682
3683         Remove forgotten line in revert.
3684
3685 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3686
3687         Revert previous commit.
3688
3689 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3690
3691         * sese.c (register_old_and_new_names): Update the content
3692         of the map.  When there was already a rename_map_elt in the
3693         map at that location, free it.
3694         (copy_bb_and_scalar_dependences): Do rename_variables after
3695         expand_scalar_variables.
3696         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3697         of the map.  When there was already a rename_map_elt in the
3698         map at that location, free it.
3699         (translate_clast): Pass the rename_map.  Do not initialize and free
3700         a rename_map per stmt_user.
3701         (gloog): Initialize and free one rename_map and pass it to
3702         translate_clast.
3703
3704 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * graphite-clast-to-gimple.c (translate_clast): context_loop
3707         is never NULL.
3708
3709 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3710             Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3713         of the use of ppl_Polyhedron_map_space_dimensions.
3714
3715 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3716             Sebastian Pop  <sebastian.pop@amd.com>
3717
3718         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3719         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3720         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3721         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3722         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3723         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3724         pbb_nb_params): New.
3725         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3726         nb_loops_around_pbb): Adapt return types.
3727
3728 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3729
3730         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3731         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3732         graphite-scop-detection.o, graphite-poly.o): Add
3733         more headers.
3734
3735 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3736
3737         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3738         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3739         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3740
3741 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3742
3743         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3744         * gcc.dg/graphite/pr37828.c: Same.
3745         * gcc.dg/graphite/pr37684.c: Same.
3746         * gcc.dg/graphite/block-0.c: Same.
3747         * gcc.dg/graphite/block-1.c: Same.
3748         * gcc.dg/graphite/block-2.c: Same.
3749         * gcc.dg/graphite/block-3.c: Same.
3750         * gcc.dg/graphite/block-4.c: Same.
3751         * gcc.dg/graphite/block-5.c: Same.
3752         * gcc.dg/graphite/block-6.c: Same.
3753         * gfortran.dg/graphite/pr38083.f90: Same.
3754         * gfortran.dg/graphite/block-1.f90: Same.
3755         * gfortran.dg/graphite/block-3.f90: Same.
3756         * gfortran.dg/graphite/pr37852.f90: Same.
3757         * gfortran.dg/graphite/block-4.f90: Same.
3758         * gfortran.dg/graphite/pr37980.f90: Same.
3759         * gfortran.dg/graphite/pr38953.f90: Same.
3760         * gfortran.dg/graphite/pr37857.f90: Same.
3761         * opts.c: Remove -floop-block from -O2.
3762         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3763         -floop-strip-mine are used.
3764
3765 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3766             Sebastian Pop  <sebastian.pop@amd.com>
3767
3768         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3769         dimensions.
3770         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3771         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3772         strip_mine_profitable_p, is_interchange_valid,
3773         graphite_trans_bb_block, graphite_trans_loop_block,
3774         graphite_trans_scop_block): Temporary removed.
3775         (extend_scattering, unify_scattering_dimensions): New.
3776         (print_scattering_function, graphite_read_transforms):
3777         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3778         (graphite_generate_scattering_fns): Removed.
3779         (apply_poly_transforms): Cleanup.
3780         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3781         (schedule_to_scattering): Moved.
3782         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3783         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3784         (pbb_nb_scattering): New.
3785         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3786         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3787         Removed.
3788         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3789         shift_poly.
3790         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3791         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3792         -> PBB_TRANSFORMED_SCATTERING.
3793         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3794         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3795         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3796         (check_poly_representation): Do not return bool.
3797         (graphite_transform_loops): Reformat.
3798         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3799
3800 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3803         debug_pbb_domain, debug_pbb, debug_scop): New.
3804         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3805         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3806
3807 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3808
3809         PR middle-end/39335
3810         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3811         when the type precision of the induction variable should be
3812         larger than the type precision of nit.
3813         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3814         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3815         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3816
3817         * gcc.dg/graphite/pr39335_1.c: New.
3818         * gcc.dg/graphite/pr39335.c: New.
3819
3820 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3823         SSA_NAMES not struct reduction_info.
3824
3825 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3826
3827         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3828
3829 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3830             Tobias Grosser  <grosser@fim.uni-passau.de>
3831
3832         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3833         (free_sese): Free SESE_REDUCTION_LIST.
3834         * sese.h (struct sese): Add field reduction_list.
3835         (SESE_REDUCTION_LIST): New.
3836         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3837         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3838
3839 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3840             Tobias Grosser  <grosser@fim.uni-passau.de>
3841
3842         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3843         of loop_p.
3844
3845 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3846             Tobias Grosser  <grosser@fim.uni-passau.de>
3847
3848         * tree-parloops.c (struct brli, build_reduction_list_info,
3849         analyze_reduction_list, gather_scalar_reductions): New.
3850         (loop_parallel_p): Build a reduction list containing only
3851         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3852         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3853         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3854         * tree-flow.h (gather_scalar_reductions): Declared.
3855
3856 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3857
3858         PR middle-end/39308
3859         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3860         number_of_iterations_exit from a gcc_assert.
3861
3862 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3863             Jan Sjodin  <jan.sjodin@amd.com>
3864
3865         * output.h (graphite_out_file, graphite_in_file): Declared.
3866         * toplev.c (graphite_out_file, graphite_in_file): New.
3867         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3868         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3869         Don't call schedule_to_scattering.
3870         * common.opt (fgraphite-write, fgraphite-read): New.
3871         * graphite-poly.c: Include output.h.
3872         (print_scattering_function, print_scattering_functions,
3873         debug_scattering_function, debug_scattering_functions,
3874         graphite_write_transforms, graphite_read_transforms,
3875         graphite_generate_scattering_fns): New.
3876         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3877         Call graphite_generate_scattering_fns, graphite_write_transforms,
3878         graphite_read_transforms.
3879         (new_poly_bb): Initialize PBB_SCATTERING.
3880         (free_poly_bb): Free PBB_SCATTERING.
3881         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3882         * graphite-poly.h (struct poly_bb): Add field scattering.
3883         (PBB_SCATTERING): New.
3884         (print_scattering_function, print_scattering_functions,
3885         debug_scattering_function, debug_scattering_functions): Declared.
3886         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3887         GMP values, not integers!
3888         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3889         ppl_read_polyhedron_matrix): New.
3890         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3891         debug_ppl_polyhedron_matrix,
3892         ppl_read_polyhedron_matrix): Declared.
3893         * Makefile.in (graphite-poly.o): Depends on output.h.
3894
3895 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3896             Tobias Grosser  <grosser@fim.uni-passau.de>
3897
3898         Revert this change:
3899         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3900         scalar evolutions in the scop_entry->loop_father.
3901
3902 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3903             Tobias Grosser  <grosser@fim.uni-passau.de>
3904
3905         * graphite.h (ref_nb_loops): Remove declaration.
3906         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3907         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3908         debug_gbb): Moved to sese.h.
3909         * sese.h: As said.
3910
3911 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3912             Tobias Grosser  <grosser@fim.uni-passau.de>
3913
3914         * graphite-data-ref.[ch]: Disable.
3915
3916 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3917             Tobias Grosser  <grosser@fim.uni-passau.de>
3918
3919         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3920         scalar evolutions in the scop_entry->loop_father.
3921
3922 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3923
3924         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3925         (graphite_cannot_represent_loop_niter): Renamed
3926         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3927         (limit_scops): build_sese_loop_nests does not return a bool.
3928         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3929         * sese.c (nb_reductions_in_loop): ... from here.
3930         (graphite_loop_normal_form): ... from here.
3931         (sese_record_loop): Does not fail, so does not return a bool.
3932         (build_sese_loop_nests): Same.
3933         * sese.h (build_sese_loop_nests): Update declaration.
3934         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3935         (build_graphite_loop_normal_form): New.
3936         (gloog): Call build_graphite_loop_normal_form.
3937         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3938         build_sese_loop_nests.
3939
3940         * gcc.dg/graphite/id-1.c: New.
3941
3942 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3943             Tobias Grosser  <grosser@fim.uni-passau.de>
3944
3945         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3946         The SCoP detection fix is sufficient.
3947
3948 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         PR tree-optimization/39260
3951         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3952         the basic block contains a condition with a real type.
3953         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3954
3955         * gcc.dg/graphite/pr39260.c: New.
3956
3957 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3958
3959         * graphite-poly.c: Inlcude params.h.
3960         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3961         the size of a tile.
3962         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3963         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3964
3965 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3966             Tobias Grosser  <grosser@fim.uni-passau.de>
3967
3968         * graphite-scop-detection.c (dot_all_scops_1,
3969         dot_all_scops): Moved here.
3970         * graphite-scop-detection.h (dot_all_scops): Declared here.
3971         * graphite.c (graphite_initialize, graphite_finalize): New.
3972         (graphite_transform_loops): Cleaned up.
3973         * sese.c (debug_oldivs): Moved here.
3974         * graphite-poly.c (graphite_apply_transformations): Renamed
3975         apply_poly_transforms.
3976         (debug_loop_vec): Moved here.
3977         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3978         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3979         find_scop_parameters, build_scop_iteration_domain,
3980         add_conditions_to_constraints, build_scop_canonical_schedules,
3981         build_scop_data_accesses): Now static.
3982         (build_poly_scop, check_poly_representation): New.
3983
3984 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3985
3986         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3987         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3988         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3989         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3990         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3991         scan_tree_for_params, struct irp_data, dx_record_params,
3992         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3993         build_loop_iteration_domains, add_conditions_to_domain,
3994         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3995         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3996         build_sese_conditions, add_conditions_to_constraints,
3997         build_scop_iteration_domain, build_access_matrix_with_af,
3998         build_access_matrix,
3999         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4000
4001         * graphite-sese-to-poly.c: New.
4002         * graphite-sese-to-poly.h: New.
4003
4004         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4005
4006 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * graphite.c: Split graphite code generation to a new file.
4009         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4010         max_precision_type, clast_to_gcc_expression_red,
4011         clast_to_gcc_expression, gcc_type_for_clast_expr,
4012         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4013         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4014         graphite_create_new_guard, clast_get_body_of_loop,
4015         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4016         graphite_create_new_loop, build_iv_mapping, copy_renames,
4017         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4018         compute_cloog_iv_types, free_scattering, save_var_name,
4019         initialize_cloog_names, build_scop_context, build_cloog_prog,
4020         set_cloog_options, debug_clast_stmt, scop_to_clast,
4021         print_generated_program, debug_generated_program,
4022         gloog): Moved to graphite-clast-to-gimple.c.
4023
4024         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4025
4026         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4027         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4028         loop_iv_stack_pop, loop_iv_stack_get_iv,
4029         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4030         free_loop_iv_stack, loop_iv_stack_remove_constants,
4031         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4032         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4033         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4034         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4035         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4036         get_vdef_before_sese, sese_adjust_vphi,
4037         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4038         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4039         is_iv, expand_scalar_variables_ssa_name,
4040         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4041         expand_scalar_variables, rename_variables, remove_condition,
4042         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4043         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4044         default_liveout_before_guard, add_guard_exit_phis,
4045         insert_guard_phis, register_old_and_new_names,
4046         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4047         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4048         if_region_set_false_region, create_if_region_on_edge,
4049         move_sese_in_condition): Moved to sese.c.
4050
4051         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4052         if_region_exit, if_region_get_condition_block,
4053         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4054         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4055         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4056         ivtype_map_elt, new_ivtype_map_elt,
4057         recompute_all_dominators): Moved to sese.h.
4058
4059         * graphite-clast-to-gimple.c: New.
4060         * graphite-clast-to-gimple.h: New.
4061         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4062         * sese.c: Modified as said above.
4063         * sese.h: Same.
4064
4065 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4066
4067         * graphite.c: Split scop detection to a new file.
4068         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4069         move_sd_regions, loop_affine_expr, exclude_component_ref,
4070         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4071         graphite_cannot_represent_loop_niter, struct scopdet_info,
4072         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4073         find_single_entry_edge, find_single_exit_edge,
4074         create_single_entry_edge, sd_region_without_exit,
4075         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4076         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4077         Moved to graphite-scop-detection.c.
4078
4079         * graphite-scop-detection.c: New.
4080         * graphite-scop-detection.h: New.
4081         * Makefile.in: Add new rule for graphite-scop-detection.o.
4082
4083         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4084         tree-scalar-evolution.h.
4085         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4086         build_sese_loop_nests): Moved here from graphite.c.
4087         (param_index): Renamed parameter_index_in_region.
4088
4089 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4090             Sebastian Pop  <sebastian.pop@amd.com>
4091
4092         * gcc.dg/graphite/block-0.c: Expected to fail now.
4093         * gcc.dg/graphite/block-1.c: Same.
4094         * gcc.dg/graphite/block-5.c: Same.
4095         * gcc.dg/graphite/block-6.c: Same.
4096
4097 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4098             Sebastian Pop  <sebastian.pop@amd.com>
4099
4100         * graphite.h: Separate from graphite_bb_p the polyhedral
4101         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4102         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4103         graphite-data-ref.h.
4104         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4105         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4106         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4107         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4108         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4109         scop_nb_params): Moved to graphite-poly.h.
4110         * graphite-data-ref.c: Same.
4111         * graphite-data-ref.h: New.
4112         * graphite.c: Same.
4113         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4114         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4115         is_interchange_valid, graphite_trans_bb_block,
4116         graphite_trans_loop_block, scop_max_loop_depth,
4117         graphite_trans_scop_block, graphite_apply_transformations,
4118         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4119         graphite-poly.c.
4120         * graphite-poly.h: New.
4121         * graphite-poly.c: New.
4122         * Makefile.in (OBJS-common): Add graphite-poly.o.
4123         (graphite-poly.o): New rule.
4124         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4125         (DR_SCOP): Removed.
4126
4127 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4128             Tobias Grosser  <grosser@fim.uni-passau.de>
4129
4130         * graphite.c: Replace gb -> gbb.
4131         * graphite.h: Same.
4132         * graphite-data-ref.c: Same.
4133
4134 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4135             Tobias Grosser  <grosser@fim.uni-passau.de>
4136
4137         * Makefile.in (OBJS-commmon): Add sese.o.
4138         (sese.o): New.
4139         (graphite.o): Add sese.h.
4140         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4141         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4142         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4143         Move to sese.
4144         (block_before_scop): Add missing return.
4145         (new_scop, free_scop): Remove SESE data structures.
4146         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4147         find_scop_parameters, build_loop_iteration_domains,
4148         add_conditions_to_domain, register_scop_liveout_renames,
4149         copy_bb_and_scalar_dependences): Scop -> SESE.
4150
4151         (add_conditions_to_domain): SCoP -> SESE and remove check
4152         (scop_contains_non_iv_scalar_phi_nodes): New.
4153         (build_scop_conditions_1, build_scop_conditions): Remove check for
4154         non iv scalar phi nodes.
4155         (print_scop_statistics): New.
4156         (graphite_transform_loops): Cleanup.
4157
4158         * graphite.h: Move to sese & cleanup.
4159         * sese.c: New.
4160         * sese.h: New.
4161
4162 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4163             Tobias Grosser  <grosser@fim.uni-passau.de>
4164
4165         * graphite.c (build_scop_conditions_1): Conditions are only
4166         at the end of a basic block.
4167
4168 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4169             Tobias Grosser  <grosser@fim.uni-passau>
4170
4171         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4172         field.
4173         (GBB_ALPHA): Removed.
4174
4175 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4176             Tobias Grosser  <grosser@fim.uni-passau.de>
4177
4178         * graphite-data-ref.c (graphite_test_dependence): Don't use
4179         GBB_DYNAMIC_SCHEDULE.
4180         * graphite.c (new_graphite_bb): Same.
4181         (free_graphite_bb): Same.
4182         (build_scop_dynamic_schedules): Removed.
4183         (graphite_transform_loops): Don't call it.
4184         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4185         (GBB_DYNAMIC_SCHEDULE): Removed.
4186
4187 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4188             Tobias Grosser  <grosser@fim.uni-passau.de>
4189
4190         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4191         (print_graphite_bb): Same.
4192         (build_cloog_prog): Same.
4193
4194 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4195             Tobias Grosser  <grosser@fim.uni-passau.de>
4196
4197         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4198
4199 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4200             Tobias Grosser  <grosser@fim.uni-passau.de>
4201
4202         * graphite.c (build_scop_context): Don't use CloogMatrix.
4203         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4204         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4205
4206 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4207             Tobias Grosser  <grosser@fim.uni-passau.de>
4208
4209         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4210         liveout_renames, add_params fields...
4211         (struct sese): ... here.
4212         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4213         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4214
4215 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4216             Tobias Grosser  <grosser@fim.uni-passau.de>
4217
4218         * graphite.c (print_scop): Do not print the CLooG program.
4219         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4220         build_cloog_prog, gloog): Don't use SCOP_PROG.
4221         (find_transform): Renamed scop_to_clast.
4222         (print_generated_program, debug_generated_program): New.
4223         (graphite_transform_loops): Adapt to new interface.
4224         * graphite.h (struct scop): Remove program field.
4225         (SCOP_PROG): Removed.
4226         (print_generated_program, debug_generated_program): Declared.
4227
4228 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4229
4230         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4231         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4232         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4233         free_graphite_bb, build_scop_canonical_schedules,
4234         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4235         schedules are now represented using a ppl_Linear_Expression_t.
4236         * graphite.h (struct graphite_bb): Same.
4237         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4238         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4239
4240 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4241
4242         * graphite.c: Free local memory.
4243         * graphite-ppl.c: Same.
4244
4245 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4246
4247         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4248         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4249         swap_constraint_variables, scale_constraint_variable): Removed.
4250         (graphite_trans_bb_strip_mine): Remove pong.
4251         * graphite-ppl.c: Include missing header files.
4252         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4253         * graphite-ppl.h (ppl_strip_loop): Declared.
4254         * Makefile.in (graphite-ppl.o): Adjust dependences.
4255
4256 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4257
4258         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4259         (build_scop_iteration_domain): Same.
4260
4261 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4262
4263         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4264         ping pong.
4265         (add_value_to_dim, scan_tree_for_params_right_scev,
4266         scan_tree_for_params_int): New.
4267         * graphite-ppl.c (oppose_constraint): New.
4268         (insert_constraint_into_matrix): Implement missing cases.
4269         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4270
4271 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4272
4273         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4274         use ppl_move_dimension.
4275
4276 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4277
4278         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4279         * graphite.c: Same.
4280         * graphite.h: Same.
4281         * graphite-ppl.c: Same.
4282         * graphite-ppl.h: Same.
4283
4284 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4285
4286         Revert last 3 commits.
4287
4288 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4289
4290         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4291         ping pong.
4292         (add_value_to_dim, scan_tree_for_params_right_scev,
4293         scan_tree_for_params_int): New.
4294         * graphite-ppl.c (oppose_constraint): New.
4295         (insert_constraint_into_matrix): Implement missing cases.
4296         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4297
4298 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4299
4300         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4301
4302 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4303             Tobias Grosser  <grosser@fim.uni-passau.de>
4304
4305         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4306         use ppl_move_dimension.
4307         * graphite-ppl.c (ppl_move_dimension): New.
4308         * graphite-ppl.h (ppl_move_dimension): Declared.
4309
4310 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4311
4312         * graphite.c: Do not include cloog/cloog.h.
4313         (print_graphite_bb): Remove ping pong, call PPL print function.
4314
4315 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4316
4317         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4318         (graphite.o): Add dependence on graphite-ppl.h.
4319         (graphite-ppl.o): New.
4320         (graphite-data-ref.c): Ping pong between PPL data structures
4321         and matrices.
4322         * graphite-ppl.c: New.
4323         * graphite-ppl.h: New.
4324         * graphite.c: Include graphite-ppl.h.
4325         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4326         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4327         Ping pong between PPL data structures and matrices.
4328         (new_graphite_bb): Create a PPL constraint system.
4329         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4330         (build_loop_iteration_domains): Use PPL functions.
4331         * graphite.h: Include graphite-ppl.h.  Fix comments.
4332         (graphite_bb): Use a ppl_Constraint_System_t instead of
4333         CloogMatrix for representing the domain.
4334         (scop): Remove static_schedule.
4335         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4336
4337 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4338
4339         * graphite.c: Fix some comments.
4340
4341 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4342
4343         PR middle-end/38953
4344         * graphite.c (if_region_set_false_region): After moving a region
4345         in the false branch of a condition, remove the empty dummy
4346         basic block.
4347         (gloog): Remove wrong fix for PR38953.
4348
4349 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4350
4351         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4352         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4353         register_bb_in_sese, new_sese, free_sese): Moved.
4354         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4355         outermost_loop_in_scop, build_scop_iteration_domain,
4356         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4357         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4358         Use loop_in_sese_p instead of loop_in_scop_p.
4359         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4360         (free_scop): Do not free SCOP_BBS_B.
4361         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4362         ref_nb_loops): Moved here...
4363         * graphite.h (ref_nb_loops): ... from here.
4364         (struct scop): Remove bbs_b bitmap.
4365         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4366         * gcc.dg/graphite/scop-19.c: New
4367
4368 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4369
4370         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4371         detection.
4372
4373 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4374
4375         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4376         eq_loop_to_cloog_loop): Remove.
4377         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4378         * graphite.h (struct scop): Remove loop2cloog_loop.
4379         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4380
4381 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4382
4383         * opts.c (decode_options): Only add graphite options to O2
4384         if we compile with graphite enabled.
4385
4386 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4387
4388         * Merge from mainline (r143163:143684).
4389
4390 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         * graphite.c (debug_value): Removed.
4393         * graphite.h (debug_value): Removed.
4394
4395 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4396
4397         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4398         after graphite: pass_copy_prop does not maintain a proper loop closed
4399         SSA form.  pass_copy_prop should be fixed.
4400
4401 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4404
4405 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4406
4407         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4408         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4409         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4410         changed the CFG.
4411
4412 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4413
4414         * graphite.c (gloog): Return true when code gen succeeded.
4415         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4416         the code of the function did not changed.  After cleanup_tree_cfg
4417         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4418         form.
4419
4420 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4421
4422         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4423         gimple_call_lhs is NULL.
4424
4425 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4426             Tobias Grosser  <tobi.grosser@amd.com>
4427
4428         * graphite.c (graphite_trans_scop_block): Do not block single
4429         nested loops.
4430
4431 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4432             Tobias Grosser  <tobi.grosser@amd.com>
4433
4434         * graphite.c (build_scop_canonical_schedules): Start schedules at
4435         zero.
4436
4437 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4438             Tobias Grosser  <tobi.grosser@amd.com>
4439
4440         * graphite.c (compare_prefix_loops): New.
4441         (build_scop_canonical_schedules): Rewritten.
4442         (graphite_transform_loops): Move build_scop_canonical_schedules
4443         after build_scop_iteration_domain.
4444
4445 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4446             Tobias Grosser  <tobi.grosser@amd.com>
4447
4448         * graphite.c (add_conditions_to_domain): Add the loops to
4449         the dimension of the iteration domain.  Do copy the domain
4450         only when it exists.
4451         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4452         (add_conditions_to_constraints): New.
4453         (can_generate_code_stmt, can_generate_code): Removed.
4454         (gloog): Do not call can_generate_code.
4455         (graphite_transform_loops): Call add_conditions_to_constraints
4456         after building the iteration domain.
4457
4458 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4459             Tobias Grosser  <tobi.grosser@amd.com>
4460             Jan Sjodin  <jan.sjodin@amd.com>
4461
4462         * graphite.c (scan_tree_for_params): On substractions negate
4463         all the coefficients of the term.
4464         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4465         of more than two operands.
4466         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4467         (get_vdef_before_scop): Handle also the case of default definitions.
4468
4469 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4470
4471         PR middle-end/38431
4472         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4473         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4474         (gloog): Do not call cleanup_tree_cfg.
4475         (graphite_transform_loops): Call cleanup_tree_cfg after all
4476         scops have been code generated.
4477
4478 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4479
4480         * passes.c (init_optimization_passes): Schedule after
4481         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4482
4483 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4486         Fix comment.
4487         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4488         Set the type of an expression to the type of its assign statement.
4489         (expand_scalar_variables_expr):  Do not pass loop_p.
4490         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4491         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4492         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4493
4494 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4495
4496         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4497         an expression to the gimple_expr_type of its assign statement.
4498         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4499         or tcc_declaration.
4500
4501 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4502
4503         PR tree-optimization/38786
4504         * gcc.dg/graphite/pr38786.c: New.
4505         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4506         the SSA_NAME case of expand_scalar_variables_expr.
4507         (expand_scalar_variables_expr): Also gather the scalar computation
4508         used to index the memory access.
4509         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4510         the gimple_stmt_iterator where it inserts new code.
4511
4512 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4513
4514         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4515
4516 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4517
4518         * opts.c (decode_options): Enable flag_graphite_identity and
4519         flag_loop_block in -O2 and above.
4520
4521 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4522
4523         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4524         Fix merge problem: replace with the file from trunk.
4525
4526 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4527
4528         * Merge from mainline (r141727:143163).
4529
4530 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4531             Jan Sjodin  <jan.sjodin@amd.com>
4532
4533         PR tree-optimization/38559
4534         * gcc.dg/graphite/pr38559.c: New.
4535
4536         * graphite.c (debug_value, copy_constraint,
4537         swap_constraint_variables, scale_constraint_variable, ): New.
4538         (get_lower_bound, get_upper_bound): Removed.
4539         (graphite_trans_bb_strip_mine): Clean up this code that works
4540         only for constant number of iterations.  Fully copy upper and
4541         lower bound constraints, not only the constant part of them.
4542         * graphite.h (debug_value): Declared.
4543
4544 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4545
4546         PR tree-optimization/38492
4547         PR tree-optimization/38498
4548         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4549         * tree-chrec.h (scev_is_linear_expression): Declared.
4550         * graphite.c (graphite_cannot_represent_loop_niter): New.
4551         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4552         (graphite_loop_normal_form): Use gcc_assert.
4553         (scan_tree_for_params): Use CASE_CONVERT.
4554         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4555         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4556         Use gcc_assert.  Discard scops that contain unhandled cases.
4557         (build_scop_conditions): Return a boolean status for unhandled cases.
4558         (strip_mine_profitable_p): Print the loop number, not its depth.
4559         (is_interchange_valid): Pass the depth of the loop nest, don't
4560         recompute it wrongly.
4561         (graphite_trans_bb_block): Same.
4562         (graphite_trans_bb_block): Print tentative of loop blocking.
4563         (graphite_trans_scop_block): Do not print that the loop has been
4564         blocked.
4565         (graphite_transform_loops): Do not handle scops that contain condition
4566         scalar phi nodes.
4567
4568         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4569         in trunk.
4570         * gcc.dg/graphite/block-0.c: Update test.
4571         * gcc.dg/graphite/block-1.c: Same.
4572         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4573         blocking.
4574         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4575         * gcc.dg/graphite/block-3.c: New.
4576         * gcc.dg/graphite/pr38498.c: New.
4577
4578 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4579
4580         PR tree-optimization/38510
4581         * gcc.dg/graphite/pr38510.c: New.
4582         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4583           (translate_clast): Call recompute_all_dominators before
4584           graphite_verify.
4585           (gloog): Call recompute_all_dominators before graphite_verify.
4586
4587 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4588
4589         PR tree-optimization/38492
4590         * graphite.c (rename_map_elt, debug_rename_elt,
4591         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4592         rename_map_elt_info, eq_rename_map_elts,
4593         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4594         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4595         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4596         (sese_build_livein_liveouts): New.
4597         (new_sese, free_sese): New.
4598         (new_scop): Call new_sese.
4599         (free_scop): Call free_sese.
4600         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4601         (register_old_new_names): Renamed register_old_and_new_names.
4602         (register_scop_liveout_renames, add_loop_exit_phis,
4603         insert_loop_close_phis, struct igp,
4604         default_liveout_before_guard, add_guard_exit_phis,
4605         insert_guard_phis, copy_renames): New.
4606         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4607         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4608         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4609         (scop_adjust_phis_for_liveouts): New.
4610         (gloog): Call scop_adjust_phis_for_liveouts.
4611
4612         * graphite.h (struct sese): Documented.  Added fields liveout,
4613         num_ver and livein.
4614         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4615         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4616         (struct scop): Added field liveout_renames.
4617         (SCOP_LIVEOUT_RENAMES): New.
4618
4619 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4620
4621         PR tree-optimization/38409
4622         * gcc.dg/graphite/pr38409.c: New.
4623         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4624
4625 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4626
4627         * graphite.c (gcc_type_for_cloog_iv): By default return
4628         integer_type_node.
4629         (graphite_create_new_loop): Don't fold_convert the already
4630         fold_convert-ed expression.
4631
4632 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4633
4634         PR tree-optimization/38446
4635         * gcc.dg/graphite/pr38446.c: New.
4636         * graphite.c (register_bb_in_sese): New.
4637         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4638         looking at the bbs in the region.
4639         * graphite.h (sese): Add region_basic_blocks pointer set to
4640         structure and initialize at the time of defining new scop.
4641
4642 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4643
4644         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4645         (find_params_in_bb): Do not free data refs.
4646         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4647
4648 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4649
4650         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4651         * gcc.dg/graphite/scop-17.c: Same.
4652         * gcc.dg/graphite/block-5.c: New.
4653         * gcc.dg/graphite/block-6.c: New.
4654         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4655         * gcc.dg/graphite/pr37684.c: Same.
4656         * gcc.dg/graphite/block-2.c: Same.
4657
4658         * graphite.c (struct ivtype_map_elt): New.
4659         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4660         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4661         gcc_type_for_cloog_iv): New.
4662         (loop_iv_stack_patch_for_consts): Use the type of the induction
4663         variable from the original loop, except for the automatically
4664         generated loops, i.e., in the case of a strip-mined loop, in
4665         which case there is no original loop: in that case just use
4666         integer_type_node.
4667         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4668         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4669         (clast_name_to_gcc): Accept params to be NULL.
4670         (clast_to_gcc_expression): Take an extra parameter for the type.
4671         Convert to that type all the expressions built by this function.
4672         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4673         (graphite_translate_clast_equation): Compute the type of the
4674         clast_equation before translating its LHS and RHS.
4675         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4676         (graphite_create_new_loop): Compute the type of the induction
4677         variable before translating the lower and upper bounds and before
4678         creating the induction variable.
4679         (rename_variables_from_edge, rename_phis_end_scop): New.
4680         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4681         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4682         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4683         compute_cloog_iv_types): New.
4684         (gloog): Call compute_cloog_iv_types before starting the
4685         translation of the clast.
4686
4687         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4688         (GBB_CLOOG_IV_TYPES): New.
4689         (debug_ivtype_map): Declared.
4690         (oldiv_for_loop): New.
4691
4692 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4693
4694         PR middle-end/38459
4695         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4696         (param_index): Assert if parameter is not know after parameter
4697         detection.
4698         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4699         (find_scop_parameters): Mark, that we have finished parameter
4700         detection.
4701         (graphite_transform_loops): Move condition detection before parameter
4702         detection.
4703         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4704         * gfortran.dg/graphite/pr38459.f90: New.
4705
4706 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4707
4708         * graphite.c (graphite_transform_loops): Always call find_transform ()
4709         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4710         generate code.
4711
4712 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4713
4714         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4715         (print_scop): Ditto.
4716
4717 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4718
4719         PR middle-end/38084
4720         Fix gfortran.dg/graphite/id-3.f90.
4721         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4722         regions more than once.
4723
4724 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4725
4726         Fix gfortran.dg/graphite/id-4.f90.
4727         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4728         when not needed.
4729
4730 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4731
4732         Fix gfortran.dg/graphite/id-1.f90.
4733         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4734         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4735         (max_precision_type): New.
4736         (value_clast): Removed.
4737         (clast_to_gcc_expression): Be more careful to types of expressions.
4738         Use max_precision_type and update use of gmp_cst_to_tree.
4739         (graphite_translate_clast_equation): Use max_precision_type.
4740         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4741         use the type of the condition.
4742         (graphite_create_new_loop): Do not use integer_type_node, use the
4743         max_precision_type of lb and ub.
4744
4745 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite.c (build_scops_1): Initialize open_scop.exit
4748         and sinfo.last.
4749
4750 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4751
4752         * gcc.dg/graphite/pr38084.c: New.
4753         * gfortran.dg/graphite/id-1.f90: New.
4754         * gfortran.dg/graphite/id-2.f90: New.
4755         * gfortran.dg/graphite/id-3.f90: New.
4756         * gfortran.dg/graphite/id-4.f90: New.
4757         * gfortran.dg/graphite/pr37857.f90: New.
4758
4759 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4760             Jan Sjodin  <jan.sjodin@amd.com>
4761             Harsha Jagasia  <harsha.jagasia@amd.com>
4762
4763         PR middle-end/37852
4764         PR middle-end/37883
4765         PR middle-end/37928
4766         PR middle-end/37980
4767         PR middle-end/38038
4768         PR middle-end/38039
4769         PR middle-end/38073
4770         PR middle-end/38083
4771         PR middle-end/38125
4772
4773         * gcc.dg/graphite/pr38073.c: New.
4774         * gcc.dg/graphite/pr37928.c: New.
4775         * gcc.dg/graphite/pr37883.c: New.
4776         * gcc.dg/graphite/pr38125.c: New.
4777         * gfortran.dg/graphite/pr38083.f90: New.
4778         * gfortran.dg/graphite/pr37852.f90: New.
4779         * gfortran.dg/graphite/pr37980.f90: New.
4780
4781         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4782         the number of detected scops.  Copy exact same test for loop
4783         blocking...
4784         * gcc.dg/graphite/block-1.c: Fix the number of expected
4785         loops to be blocked as reductions are not handled.
4786         * gcc.dg/graphite/block-4.c: ...here.  New.
4787
4788         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4789         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4790         ...here.
4791         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4792         * Makefile.in (graphite.o): Depend on value-prof.h.
4793         (graphite.o-warn): Removed -Wno-error.
4794         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4795         to be a NULL pointer.  Call update_stmt.  Return the newly created
4796         cannonical induction variable.
4797
4798         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4799
4800         * graphite.c: Reimplement the code generation from graphite to gimple.
4801         Include value-prof.h.
4802         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4803         (get_old_iv_from_ssa_name): Removed.
4804         (graphite_stmt_p): New.
4805         (new_graphite_bb): Test for useful statements before building a
4806         graphite statement for the basic block.
4807         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4808         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4809         reason.
4810         (recompute_all_dominators, graphite_verify,
4811         nb_reductions_in_loop, graphite_loop_normal_form): New.
4812         (scop_record_loop): Call graphite_loop_normal_form.
4813         (build_scop_loop_nests): Iterate over all the blocks of the
4814         function instead of relying on the incomplete information from
4815         SCOP_BBS.  Return the success of the operation.
4816         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4817         (add_bb_domains): Removed.
4818         (build_loop_iteration_domains): Don't call add_bb_domains.
4819         Add the iteration domain only to the basic blocks that have been
4820         translated to graphite.
4821         (build_scop_conditions_1): Add constraints only if the basic
4822         block have been translated to graphite.
4823         (build_scop_data_accesses): Completely disabled until data
4824         dependence is correctly implemented.
4825         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4826         (remove_all_edges_1, remove_all_edges): Removed.
4827         (get_new_name_from_old_name): New.
4828         (graphite_rename_variables_in_stmt): Renamed
4829         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4830         Use replace_exp and update_stmt.
4831         (is_old_iv): Renamed is_iv.
4832         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4833         Use replace_exp and update_stmt.
4834         (expand_scalar_variables_expr): Same.  Use the map to get the
4835         new names for the renaming of induction variables and for the
4836         renaming of variables after a basic block has been copied.
4837         (expand_scalar_variables): Same.
4838         (graphite_rename_variables): Renamed rename_variables.
4839         (move_phi_nodes): Removed.
4840         (get_false_edge_from_guard_bb): New.
4841         (build_iv_mapping): Do not insert the induction variable of a
4842         loop in the renaming iv map if the basic block does not belong
4843         to that loop.
4844         (register_old_new_names, graphite_copy_stmts_from_block,
4845         copy_bb_and_scalar_dependences): New.
4846         (translate_clast): Heavily reimplemented: copy basic blocks,
4847         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4848         At each translation step call graphite_verify ensuring the
4849         consistency of the SSA, loops and dominators information.
4850         (collect_virtual_phis, find_vdef_for_var_in_bb,
4851         find_vdef_for_var_1, find_vdef_for_var,
4852         patch_phis_for_virtual_defs): Removed huge hack.
4853         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4854         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4855         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4856         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4857         if_region_get_condition_block, if_region_set_false_region,
4858         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4859         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4860         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4861         rewrite_into_sese_closed_ssa): New.
4862         (gloog): Remove dead code.  Early return if code cannot be
4863         generated.  Call cleanup_tree_cfg once the scop has been code
4864         generated.
4865         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4866         block loops with less than two loops.
4867         (graphite_apply_transformations): Remove the call to
4868         scop_remove_ignoreable_gbbs.
4869         (limit_scops): When build_scop_loop_nests fails, continue on
4870         the next scop.  Fix open_scop.entry.
4871         (graphite_transform_loops): Call recompute_all_dominators: force the
4872         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4873         Call initialize_original_copy_tables and free_original_copy_tables
4874         to be able to copy basic blocks during code generation.
4875         When build_scop_loop_nests fails, continue on next scop.
4876         (value_clast): New union.
4877         (clast_to_gcc_expression): Fix type cast warning.
4878
4879 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4880
4881         * Merge from mainline (r140838:141727).
4882
4883 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4884
4885         PR middle-end/37833
4886
4887         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4888
4889 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4890
4891         PR middle-end/37943
4892
4893         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4894         exits and conditions.
4895         * gcc.dg/graphite/pr37943.c: New.
4896
4897 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4898
4899         PR middle-end/37886
4900         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4901
4902 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4903
4904         * doc/invoke.texi: Fix spaces.
4905
4906 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4907
4908         PR tree-optimization/37891
4909         Reverted last commit.
4910         * graphite.c (create_single_entry_edge): Set
4911         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4912
4913 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4914             Mitul Thakkar  <mitul.thakkar@amd.com>
4915
4916         * graphite.c (create_single_entry_edge): Set
4917         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4918
4919 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4920
4921         * doc/invoke.texi: Add -fgraphite-identity.
4922         * graphite.c (graphite_apply_transformations): Check for
4923         -fgraphite-identity.
4924         * toplev.c (process_options): Add flag_graphite_identity.
4925         * tree-ssa-loop.c: Add flag_graphite_identity.
4926
4927 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4928
4929         Undo changes from 2008-10-02:
4930         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4931         operand type when copying the operand to a variable of different type.
4932         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4933         with the IV name after increment.
4934
4935 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4936             Harsha Jagasia  <harsha.jagasia@amd.com>
4937
4938         PR tree-optimization/37828
4939         * gcc.dg/graphite/pr37828.c: New.
4940         * graphite.c (graphite_trans_loop_block): Do not loop block
4941         single nested loops.
4942
4943 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4944             Sebastian Pop  <sebastian.pop@amd.com>
4945
4946         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4947         rename_map_elt_info, eq_rename_map_elts): New.
4948         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4949         (expand_scalar_variables_expr): Change parameters.
4950         (expand_scalar_variables_stmt): Same.
4951         (expand_scalar_variables): Same.
4952         (graphite_rename_ivs): Rename graphite_rename_variables.
4953         (build_iv_mapping): New.
4954         (translate_clast): Call build_iv_mapping.
4955         * graphite.h (gbb_p): New name.
4956
4957 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4958
4959         PR tree-optimization/37684
4960         * gcc.dg/graphite/pr37684.c: New.
4961         * graphite.c (exclude_component_ref): New.
4962         (is_simple_operand): Call exclude_component_ref.
4963
4964 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4965             Harsha Jagasia  <harsha.jagasia@amd.com>
4966
4967         PR tree-optimization/37485
4968         * gcc.dg/graphite/block-2.c: New
4969         * graphite.c (gmp_cst_to_tree): Moved.
4970         (iv_stack_entry_is_constant): New.
4971         (iv_stack_entry_is_iv): New.
4972         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4973         (loop_iv_stack_insert_constant): New.
4974         (loop_iv_stack_pop): Use new datatpype.
4975         (loop_iv_stack_get_iv): Same.
4976         (loop_iv_stack_get_iv_from_name): Same.
4977         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4978         (loop_iv_stack_patch_for_consts): New.
4979         (loop_iv_stack_remove_constants): New.
4980         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4981         (translate_clast): Call loop_iv_stack_patch_for_consts and
4982         loop_iv_stack_remove_constants.
4983         (gloog): Use new datatype.  Redirect construction edge to end
4984         block to avoid accidental deletion.
4985         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4986         iv stack entry.
4987         (union iv_stack_entry_data): New.  Data in iv stack entry.
4988         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4989
4990 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4991
4992         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4993         operand type when copying the operand to a variable of different type.
4994
4995 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4996
4997         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4998         with the IV name after increment.
4999
5000 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5001
5002         * Merge from mainline (r140164:140838).
5003
5004 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5005
5006         * graphite-data-ref.c: New.
5007         * graphite.c (print_scop): Also dump the dependence graph.
5008         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5009         (new_scop): Initialize SCOP_DEP_GRAPH.
5010         (build_scop_dynamic_schedules): New.
5011         (build_access_matrix_with_af): Fixed column numbering.
5012         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5013         * graphite.h: Add ifndef/define guards against multiple inclusion.
5014         (struct scop): Add dep_graph field.
5015         (SCOP_DEP_GRAPH): Defined.
5016         (ref_nb_loops): Fixed and moved to other position.
5017         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5018         (nb_loops_around_loop_in_scop): New.
5019         (graphite_dump_dependence_graph): Declared.
5020         (graphite_build_rdg_all_levels): Declared.
5021         (graphite_test_dependence): Declared.
5022         * Makefile.in (graphite-data-ref.o): New target.
5023
5024 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5025
5026         * Merge from mainline (139870:140164).
5027
5028 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * Merge from mainline (138275:139870).
5031         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5032         the commits from trunk broke the niter detection.
5033
5034 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5035
5036         * graphite.c: Add more documentation.  Fix formatting.
5037         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5038         loop_iv_stack_debug): Moved...
5039         (schedule_to_scattering): Move before use.
5040         (dot_all_scops): Include in "#if 0" the code for system
5041         call dotty.
5042
5043         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5044         loop_iv_stack_debug): ...here.
5045
5046 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5047
5048         * tree-phinodes.c (make_phi_node): Extern.
5049         (add_phi_node_to_bb): New.
5050         (create_phi_node): Call add_phi_node_to_bb.
5051         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5052         (remove_statement): Handle case where stored phi was updated
5053         and is no longer the same.
5054         * graphite.c (is_parameter): New.
5055         (is_old_iv): New.
5056         (expand_scalar_variables_expr): New.
5057         (expand_scalar_variables_stmt): New.
5058         (expand_scalar_variables): New.
5059         (move_phi_nodes): Create new phi instead of moving old one.
5060         (translate_clast): Call expand_scalar_variables.
5061         (find_vdef_for_var_in_bb): Also scan regular definitions.
5062         (skip_phi_defs): New.
5063         (collect_scop_exit_phi_args): New.
5064         (patch_scop_exit_phi_args): New.
5065         (gloog): Patch phis after scop.
5066         * tree-flow.h: (add_phi_node_to_bb): Declared.
5067         (make_phi_node): Declared.
5068
5069 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5070
5071         * graphite.c (end_scop): Split the entry of the scop when it
5072         is the header of the loop in which the scop is ending.
5073         (build_scops_1, limit_scops): Update uses of end_scop.
5074
5075 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5076
5077         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5078         SCOP_ENTRY or SCOP_EXIT.
5079
5080 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5081
5082         * graphite.c (get_construction_edge): Removed.
5083         (gloog): Construction edge is the scop entry edge.
5084
5085 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5086
5087         * graphite.c (can_generate_for_scop): Removed.
5088         (gloog): Do not call it.
5089
5090 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5091
5092         * graphite.c (new_scop): Entry of a scop is an edge.
5093         Initialize SESE region.
5094         (free_scop): Free SESE region.
5095         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5096         (split_difficult_bb): New, split from end_scop.
5097         (end_scop): Exit of a scop is an edge.
5098         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5099         not automatically updated and thus is always wrong.
5100         * graphite.h (struct sese): New.
5101         (SESE_ENTRY): New.
5102         (SESE_EXIT): New.
5103         (struct scop): New field for a SESE region.  Remove entry, exit.
5104         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5105         semantics as before.  Moved comment around.
5106
5107 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5108             Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         * graphite.c (graphite_transform_loops): Always enable gloog
5111         and find_transform when ENABLE_CHECKING.
5112
5113 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5114
5115         * graphite.c (graphite_transform_loops): Move pretty printer
5116         of SCOPs before doing any transform.  Remove call to print_scops
5117         and dot_all_scops_1.
5118
5119 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5120
5121         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5122         (print_graphite_bb): Same.
5123
5124 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5125
5126         * graphite.c (dot_all_scops_1): Cleanup.
5127         (move_scops): Fix comment.
5128
5129 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5130
5131         * graphite.c (build_scop_bbs): Revert commit 139355:
5132
5133         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5134                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5135
5136                 * graphite.c (build_scop_bbs): Factor up code.
5137
5138 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5139
5140         * graphite.c (gloog): Update dominator info.
5141
5142 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5143
5144         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5145
5146 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5147
5148         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5149         initialization.
5150         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5151         (translate_clast): Correct formatting.
5152         * graphite.h (struct num_map): Removed.
5153         (struct graphite_bb): Remove num_map field.
5154         (GBB_INDEX_TO_NUM_MAP): Removed.
5155
5156 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5157
5158         * graphite.c (build_access_matrix_with_af): Fix comments.
5159         (build_scop_data_accesses): Same.
5160
5161 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5162
5163         * graphite.c (build_scop_data_accesses): Don't construct
5164         access matrices.  Add a FIXME and an assert condition that
5165         should pass when the access matrices will be needed.
5166
5167 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5168
5169         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5170         really_constant_p.
5171         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5172         Moved close by free_graphite_bb.
5173         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5174         (new_scop): Move close by free_scop.
5175         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5176
5177 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5178
5179         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5180         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5181         instead of recursive call.
5182         (graphite_translate_clast_equation): New.
5183         (graphite_create_guard_cond_expr): New.
5184         (graphite_create_new_guard): New.
5185         (get_stack_index_from_iv): Removed.
5186         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5187         (get_true_edge_from_guard_bb): New.
5188         (translate_clast): Handle stmt_guard in clast.
5189         (get_construction_edge): Allow construction edge detection for
5190         a scope entry with multiple predecessors if one predecessor is
5191         the immediate dominator of scope entry.
5192         (can_generate_code_stmt): Enable code generation for clast_guard.
5193         (gloog): Use correct context loop.  Removed check for post dominators.
5194         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5195
5196 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5197
5198         * graphite.c (remove_dead_loops): Document better which
5199         loops are removed.
5200
5201 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5204         and PPLINC.
5205         (graphite.o): Also depends on pointer-set.h.
5206
5207 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5208
5209         * graphite.c (scop_record_loop): Fix compile warning.
5210
5211 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5212             Sebastian Pop  <sebastian.pop@amd.com>
5213
5214         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5215
5216 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5217
5218         * graphite.c (build_graphite_bb): Initialize bb->aux to
5219         point to the graphite_bb_p.
5220         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5221         content of bb->aux.
5222         (add_bb_domains): Does not use the scop parameter.
5223         (graphite_transform_loops): Clean bb->aux at the end.
5224
5225 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5226             Sebastian Pop  <sebastian.pop@amd.com>
5227
5228         * lib/target-supports.exp
5229         (check_effective_target_fgraphite): New.
5230
5231         * gcc.dg/graphite/graphite.exp: Early exit when
5232         check_effective_target_fgraphite returns false.
5233         Set dg-do-what-default to compile.
5234         (scan-graphite-dump-times): Removed.
5235         * gfortran.dg/graphite/graphite.exp: Same.
5236
5237         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5238         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5239         * gcc.dg/graphite/scop-1.c: Same.
5240         * gcc.dg/graphite/scop-2.c: Same.
5241         * gcc.dg/graphite/scop-3.c: Same.
5242         * gcc.dg/graphite/scop-4.c: Same.
5243         * gcc.dg/graphite/scop-5.c: Same.
5244         * gcc.dg/graphite/scop-6.c: Same.
5245         * gcc.dg/graphite/scop-7.c: Same.
5246         * gcc.dg/graphite/scop-8.c: Same.
5247         * gcc.dg/graphite/scop-9.c: Same.
5248         * gcc.dg/graphite/scop-10.c: Same.
5249         * gcc.dg/graphite/scop-11.c: Same.
5250         * gcc.dg/graphite/scop-12.c: Same.
5251         * gcc.dg/graphite/scop-13.c: Same.
5252         * gcc.dg/graphite/scop-matmult.c: Same.
5253         * gcc.dg/graphite/scop-14.c: Same.
5254         * gcc.dg/graphite/scop-15.c: Same.
5255         * gcc.dg/graphite/block-0.c: Same.
5256         * gcc.dg/graphite/scop-16.c: Same.
5257         * gcc.dg/graphite/block-1.c: Same.
5258         * gcc.dg/graphite/scop-17.c: Same.
5259         * gcc.dg/graphite/scop-18.c: Same.
5260         * gfortran.dg/graphite/block-1.f90: Same.
5261         * gfortran.dg/graphite/scop-1.f: Same.
5262         * gfortran.dg/graphite/block-2.f: Same.
5263
5264 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5265
5266         * graphite.c: Fix some XXX comments.
5267         (build_scop_dynamic_schedules): Removed.
5268
5269 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5270
5271         * graphite.h (scop_max_loop_depth): Moved...
5272         * graphite.c (scop_max_loop_depth): ...here.
5273         (remove_all_edges_1): New.
5274         (remove_all_edges): Factored code.
5275         (remove_cond_exprs): Check only the last statement for
5276         a GIMPLE_COND expression.
5277
5278 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5279
5280         * graphite.c (scan_tree_for_params): Early return when the
5281         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5282         (find_scop_parameters): Factor out code.
5283         (graphite_trans_bb_strip_mine): Remove dead code.
5284
5285 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5286
5287         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5288         graphite_trans_bb_move_loop): Factor asserts.
5289         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5290         Do not call calculate_dominance_info and estimate_bb_frequencies.
5291
5292 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5293
5294         * graphite.c (create_loops_mapping, free_loops_mapping,
5295         create_loops_mapping_num, debug_loop_mapping_1,
5296         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5297         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5298         graphite_loops_mapping_add_child_num,
5299         graphite_loops_mapping_insert_child,
5300         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5301         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5302         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5303         create_num_from_index, get_num_from_index,
5304         swap_loop_mapped_depth): Removed.
5305         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5306         (free_scop): Do not call free_loops_mapping.
5307         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5308         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5309         get_loop_mapped_depth.
5310         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5311         (graphite_trans_bb_strip_mine): Same.
5312         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5313         (struct scop): Remove field loops_mapping.
5314
5315 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5316             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5317
5318         * graphite.c (scop_record_loop): Factor out one level of the
5319         condition by early return.
5320         (build_scop_loop_nests): Format following FSF coding style.
5321         (build_scop_dynamic_schedules): Factor out code.
5322         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5323
5324 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5325             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5326
5327         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5328         assignments that are not handled as simple operands for now.
5329
5330 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5331             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5332
5333         * graphite.c (build_scop_bbs): Factor up code.
5334
5335 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5336             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5337
5338         * graphite.c (stmt_simple_for_scop_p): Factor code out
5339         of the loop.
5340         (enum gbb_type): New.  Group all the GBB_* types under it.
5341         (is_loop_exit): Moved...
5342         (end_scop): Enable BB spliting.
5343         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5344         * cfgloop.h (is_loop_exit): Declared.
5345
5346 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5347
5348         * doc/invoke.texi: Remove strides from examples containing
5349         DO loops when the strides are equal to 1.
5350
5351 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5352             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5353
5354         * graphite.c (graphite_trans_scop_block): Or the result with
5355         the result from graphite_trans_loop_block.
5356         * gcc.dg/graphite/block-1.c: New.
5357         * gfortran.dg/graphite/block-1.f90: New.
5358         * gfortran.dg/graphite/block-2.f: New.
5359
5360 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5361
5362         * graphite.c (graphite_transform_loops): Call cloog_initialize
5363         and cloog_finalize.
5364
5365 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5366
5367         * tree-data-ref.c) (stmt_simple_memref_p): New.
5368         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5369         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5370         (is_simple_operand): Call stmt_simple_memref_p.
5371
5372         * gcc.dg/graphite/scop-matmult.c: Updated for not
5373         using pointer arithmetic, as this is optimized by PRE and
5374         makes the code too difficult to analyze.
5375
5376         * gcc.dg/graphite/scop-18.c: Same.
5377
5378 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5379
5380         * gdbinit.in (pgg): New.
5381
5382 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5383
5384         * graphite.c (graphite_trans_loop_block): Fix warning.
5385
5386 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5387
5388         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5389
5390 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5391
5392         * graphite.c (graphite_trans_bb_block): Remove check for
5393         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5394         Check if loop blocking is profitable for every loop, before applying
5395         the changes.
5396         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5397         if flag_loop_block is set.
5398
5399 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5400
5401         * graphite.c: Add some more documentation for the loop
5402         mapping.
5403
5404 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5405
5406         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5407         * graphite.c: Format on less than 80 columns.
5408         * graphite.h: Same.
5409
5410 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5411
5412         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5413
5414 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5415
5416         * doc/invoke.texi (floop-block, floop-strip-mine,
5417         floop-interchange): Update documentation with examples.
5418
5419 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5420
5421         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5422         add_referenced_var.
5423         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5424
5425 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5426
5427         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5428         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5429         * tree-scalar-evolution.c: Revert useless changes.
5430         * tree-phinodes.c: Same.
5431         * cfghooks.c: Same.
5432         * vec.h: Same.
5433         * tree-vectorizer.h: Same.
5434         * tree-flow.h: Same.
5435         * tree-cfg.c: Same.
5436         * common.opt (fgraphite): Update documentation.
5437
5438 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5439
5440         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5441         -floop-interchange): Add more text for explaining what each of these
5442         flags is doing.
5443         * tree-into-ssa.c (gimple_vec): Moved to...
5444         * graphite.c: Include gimple.h.
5445         (gimple_vec): Moved to...
5446         (del_loop_to_cloog_loop): Removed.
5447         (loop_affine_expr): Do not call create_data_ref when the
5448         operand is a constant.
5449         (new_scop): Use free instead of del_loop_to_cloog_loop.
5450         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5451         * gimple.h (gimple_vec): ... here.
5452
5453 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5454
5455         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5456         latch executions.
5457         (build_loop_iteration_domains): Fail, if latch executions unknown.
5458
5459 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5460
5461         * graphite.c (add_conditions_to_domain): New.
5462         (build_scop_conditions_1): Call add_conditions_to_domain.
5463         (set_cloog_options): Allow to disable optimizations.
5464
5465 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5466
5467         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5468         Do not use walk_dominator_tree.
5469         (find_scop_parameters): Do not use walk_dominator_tree.
5470
5471 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5472
5473         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5474         (idx_record_params): Adapt.
5475         * graphite.h (scop_gimple_loop_depth): New.
5476
5477 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5478
5479         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5480         (scan_tree_for_params): Remove value_init.
5481         (build_scop_context): Remove value_init.
5482         (build_loop_iteration_domains): Remove value_init.
5483         (schedule_to_scattering): Remove value_init.
5484         (graphite_trans_bb_strip_mine): Remove value_init.
5485
5486 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5487
5488         * gcc/graphite.c (limit_scops): New.
5489         (graphite_transform_loops): Add limit SCoPs.
5490         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5491         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5492         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5493         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5494         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5495         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5496         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5497         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5498         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5499         Change loop numbers.
5500         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5501         Change loop numbers.
5502         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5503         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5504         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5505         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5506         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5507         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5508         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5509         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5510         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5511         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5512
5513 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5514
5515         * graphite.c (graphite_transform_loops): Call always find_transform.
5516
5517 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5518
5519         * graphite.c (free_loops_mapping): New.
5520         (stmt_simple_for_scop_p): Fix typo.
5521         (stmt_simple_for_scop_p): Fix tuples functions, that
5522         broke polyhedron.
5523         (free_graphite_bb): Fix some memleaks.
5524         (free_scop): Fix some memleaks.
5525         (scopdet_bb_info): Do not forget some tmp SCoPs.
5526         (find_params_in_bb): Fix some memleaks.
5527         (clast_to_gcc_expression): Fix warning.
5528
5529 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5530
5531         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5532         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5533
5534 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5535
5536         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5537         Move code ifdef-ed HAVE_cloog...
5538         * graphite.c: Include toplev.h.
5539         ... here.
5540         * Makefile.in (OBJS-common): Always build graphite.o.
5541         (BACKEND): Remove @GRAPHITE@.
5542         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5543         (graphite.o): Depend on TOPLEV_H.
5544
5545 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5546
5547         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5548         Remove typo left from polylib to ppl conversion.
5549         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5550
5551 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5552
5553         * toplev.c (process_options): Move the graphite loop optimization
5554         flags...
5555         * tree-ssa-loop.c (graphite_transforms): ... here.
5556         When not configured with CLooG, print to dump_file that
5557         Graphite transforms were not performed.
5558         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5559         New.
5560         * gcc.dg/graphite/*.c: Updated all testcases to use
5561         scan-graphite-dump-times.
5562
5563 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5564
5565         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5566         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5567
5568 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5569             Jan Sjodin  <jan.sjodin@amd.com>
5570
5571         * configure: Regenerated.
5572         * omp-low.c (expand_omp_sections): Remove now unused code.
5573         * config.in (HAVE_polylib): Removed.
5574         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5575         (PPLLIBS, PPLINC): Added.
5576         * graphite.c: Replace unsigned with int wherever possible.
5577         Don't access Cloog's data structures, but use accessor functions.
5578         Clast's stmt->type is now implemented as a vtable: change the
5579         switches of stmt->type into ifs.
5580         (polylib/polylibgmp.h): Don't include.
5581         (initialize_dependence_polyhedron,
5582         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5583         statement_precedes_p, test_dependence, build_rdg_all_levels,
5584         dump_dependence_graph): Removed until this code is cleaned up
5585         or ported to Cloog.
5586         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5587         (POLYLIBINC): Renamed PPLINC.
5588
5589 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5590             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5591             Jan Sjodin  <jan.sjodin@amd.com>
5592
5593         Finish the merge and tuplification of graphite.
5594
5595 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5596             Jan Sjodin  <jan.sjodin@amd.com>
5597
5598         Partial merge from mainline (138072:138275).
5599         * graphite.c still has to be tuplified.
5600
5601 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5602
5603         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5604         (create_num_from_index): New.
5605         (get_num_from_index): Also pass in the graphite BB.
5606         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5607         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5608         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5609         (is_interchange_valid): Return false when failing.
5610         * graphite.h (struct num_map): New.
5611         (struct graphite_bb): New field num_map.
5612         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5613
5614 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5615
5616         * graphite.c (dump_gbb_conditions): Print also conditions like
5617         "if (a)".  Remove dublicated code and use print_generic_expr ().
5618         (stmt_simple_for_scop_p): Only allow conditions we can handle
5619         {<, <=, >, >=}.
5620
5621 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5622
5623         * graphite.h (struct scop): Removed new_ivs field.
5624         (SCOP_NEWIVS): Deleted.
5625         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5626         clast_to_gcc_expression, graphite_create_new_loop):
5627         Removed use of new_ivs.
5628
5629 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5630
5631         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5632         create_loops_mapping_num, debug_loop_mapping_1): New.
5633         (debug_loop_mapping): Call debug_loop_mapping_1.
5634         (get_loop_mapping_for_num,
5635         graphite_loops_mapping_add_child,
5636         graphite_loops_mapping_add_child_num,
5637         graphite_loops_mapping_insert_child,
5638         graphite_loops_mapping_parent,
5639         split_loop_mapped_depth_for_num,
5640         loop_mapped_depth_split_loop): New.
5641         (increment_loop_mapped_depths): Removed.
5642         (swap_loop_mapped_depth_for_num): Reimplemented.
5643         (new_scop): Call create_loops_mapping.
5644         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5645         (translate_clast): Pass the old loop father in parameter, and pass
5646         it to get_old_iv_from_ssa_name.
5647         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5648         can_generate_code, can_generate_for_scop): New.
5649         (graphite_trans_bb_block): Returns false when it fails to transform.
5650         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5651
5652 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5653
5654         Reverted all the changes related to the streamization and
5655         loop fusion.
5656         These changes are now tracked in the streamization branch.
5657
5658 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5659             Jan Sjodin  <jan.sjodin@amd.com>
5660
5661         * graphite.c (gbb_compare): Correctly constify.
5662         (gbb_can_be_ignored): Indent.
5663         (graphite_trans_scop_swap_1and2): Add legality check.
5664         Remove dead FIXMEs.
5665
5666 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5667
5668         Remove fallouts from "Reverted the Condate changes".
5669         * tree.h: Remove unused decl.
5670         * gcc.dg/tree-checker: Same.
5671         * timevar.def: Remove counter.
5672
5673 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5674
5675         * Merge from mainline (135673:138072).
5676
5677         Reverted the MIRO changes (from 2008-04-05) that are now
5678         tracked in the miro branch.
5679         * tree-bounds.c: Removed.
5680         * tree-bounds.h: Removed.
5681
5682         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5683         are now tracked in the condate branch.
5684         * tree-check.c: Removed.
5685         * tree-match.c: Removed.
5686         * condate.y: Removed.
5687
5688 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5689
5690         * common.opt: New user flag -floop-block, -floop-strip-mine
5691         and -floop-interchange.
5692         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5693         graphite loop optimization flags is turned on.
5694         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5695         flag_loop_strip_mine and flag_loop_interchange checks before
5696         optimizations.
5697         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5698         -floop-strip-mine and -floop-interchange.
5699         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5700         -fgraphite.
5701         * gcc.dg/graphite/scop-16.c: Ditto.
5702         * gcc.dg/graphite/scop-17.c: Ditto.
5703         * gcc.dg/graphite/scop-18.c: Ditto.
5704
5705 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5706             Sebastian Pop  <sebastian.pop@amd.com>
5707
5708         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5709         (create_empty_loop_on_edge): More fixes.
5710         * tree-phinodes.c (resize_phi_node): Extern.
5711         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5712         * cfghooks.c (update_dominator_information): New split from
5713         split_edge.
5714         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5715         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5716         successor of the function entry block.
5717
5718         * graphite.c: Include pointer-set.h.
5719         (debug_loop_mapping, increment_loop_mapped_depths,
5720         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5721         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5722         swap_loop_mapped_depth_for_num, get_num_from_index,
5723         swap_loop_mapped_depth, loop_iv_stack_debug,
5724         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5725         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5726         get_old_iv_from_ssa_name): New.
5727         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5728         (free_scop): Free SCOP_LOOPS_MAPPING.
5729         (scop_record_loop): Record old ivs.
5730         (create_var_name): Removed.
5731         (initialize_cloog_names): Allocate double space in case strip mine
5732         applies to all loops once.
5733         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5734         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5735         translation.
5736         (graphite_create_new_loop): Pass in ivstack.
5737         (remove_all_edges): Pass in the construction_edge.
5738         (graphite_remove_iv): Removed.
5739         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5740         remove_cond_exprs): Rewritten.
5741         (move_phi_nodes): New.
5742         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5743         (translate_clast): Pass in ivstack.  Rewrite some cases.
5744         (set_cloog_options, debug_clast_stmt): New.
5745         (find_transform): Use set_cloog_options.
5746         (outermost_loop_layer): Removed.
5747         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5748         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5749         mark_old_loops, remove_dead_loops): New.
5750         (gloog): Rewritten.
5751         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5752         (const_column_index, get_first_matching_sign_row_index,
5753         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5754         get_upper_bound): New.
5755         (graphite_trans_bb_strip_mine): Also update the iv map.
5756
5757         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5758         (struct name_tree): Add a loop field.
5759         (struct scop): Add a graphite_loops_mapping field.
5760         (SCOP_LOOPS_MAPPING): New.
5761         (debug_clast_stmt): Declare.
5762         * lambda.h (find_induction_var_from_exit_cond): Declare.
5763         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5764         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5765         (create_empty_loop_on_edge): Updated.
5766         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5767         rename_variables_in_bb): Declare.
5768         * tree-cfg.c (remove_bb): Extern.
5769
5770         * gcc.dg/graphite/block-0.c: New.
5771
5772 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5773             Sebastian Pop  <sebastian.pop@amd.com>
5774
5775         * graphite.c (strip_mine_profitable_p): New.
5776         (graphite_trans_bb_block): Disable strip mining if not profitable.
5777
5778         * gcc.dg/graphite/scop-18.c: New.
5779         * gcc.dg/graphite/scop-17.c: Fixed.
5780         * gcc.dg/graphite/scop-16.c: Fixed.
5781
5782 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5783             Jan Sjodin  <jan.sjodin@amd.com>
5784             Sebastian Pop  <sebastian.pop@amd.com>
5785
5786         * graphite.c (is_interchange_valid): New.
5787         (graphite_trans_bb_block): Check loop nest of basic block for legality
5788         of interchange.
5789
5790         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5791         outer_most_loop, gbb_outer_most_loop_index): New.
5792
5793         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5794         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5795         * gcc.dg/graphite/scop-16.c: New.
5796         * gcc.dg/graphite/scop-17.c: New.
5797
5798 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5799
5800         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5801         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5802
5803 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5804
5805         * graphite.c (new_scop): Initialize SCOP_EXIT.
5806         (scopdet_info): Add.
5807         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5808         (build_scops_1): Cleanup, bugfixes.
5809         (build_scops): Cleanup.
5810
5811         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5812         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5813
5814 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5815
5816         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5817
5818         * gfortran.dg/graphite/graphite.exp: Use
5819         DEFAULT_GRAPHITE_FLAGS.
5820
5821         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5822
5823 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5824
5825         * graphite.c (scan_tree_for_params): Do not assert any more if
5826         MULT_EXPR parameter is negative.
5827
5828         * gfortran.dg/graphite/scop-1.f: New.
5829
5830         * gfortran.dg/graphite/graphite.exp: New.
5831
5832         * gcc.dg/graphite/scop-15.c: New.
5833
5834 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5835
5836         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5837
5838 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5839
5840         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5841         graphite_swap_loops.
5842         (graphite_trans_bb_move_loop): New.
5843         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5844         (graphite_trans_bb_block): New.
5845         (graphite_trans_loop_block): New.
5846         (graphite_trans_scop_swap_1and2): Rename from
5847         graphite_trans_swap_1and2.
5848         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5849         (graphite_trans_scop_block): New.
5850         (graphite_apply_transformations): Rename from
5851         graphite_transformations.
5852
5853         * gcc.dg/graphite/scop-matmult.c: New.
5854
5855 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5856
5857         * graphite.c (gbb_compare): New.
5858         (graphite_sort_gbbs): New.
5859         (gbb_can_be_ignored): New.
5860         (scop_remove_ignoreable_gbbs): New.
5861         (graphite_transformations): Cleanup and add
5862         scop_remove_ignoreable_gbbs.
5863         * lambda.h (lambda_vector_compare): New.
5864
5865 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5866
5867         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5868         (graphite_swap_loops): int -> unsigned
5869         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5870         (graphite_transformations): New.
5871         (graphite_transform_loops): Move to graphite_transformations.
5872         * graphite.h (gbb_nb_loops): Return unsigned.
5873
5874 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5875
5876         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5877         the domain matrix.  This makes scop-0.c work again.
5878
5879 2008-06-20  Richard Guenther  <rguenther@suse.de>
5880
5881         * graphite.h: Adjust copyright to GPLv3.
5882         * graphite.c: Likewise.
5883         (stmt_simple_memref_for_scop_p): Split out from ...
5884         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5885         and simplify.
5886         (get_bb_type): Optimize.
5887         (is_pred): Remove.
5888         (is_bb_addable): Fix memleak, replace is_pred call with
5889         single_pred.
5890         (build_scops): Use current_loops.
5891         (param_index): Fix memleak.
5892
5893 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5894
5895         * graphite.c: Fix formatting.
5896
5897 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5898
5899         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5900         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5901         (create_var_name, save_var_name): Newly defined functions.
5902         (initialize_cloog_names): Part of the code factored out to
5903         save_var_name.
5904         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5905         in clast_reduction statement.
5906         (graphite_create_new_loop): Now takes a new parameter
5907         for outer_loop.
5908         (translate_clast): Now also takes the context_loop and bb_exit
5909         parameters. Rewritten the code so that it creates a gimple code
5910         inside the given context.
5911         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5912         remove_cond_expr, disconnect_cond_expr,
5913         disconnect_virtual_phi_nodes): Newly defined functions.
5914         * graphite.h (struct scop): added old_ivs vector.
5915         SCOP_OLDIVS: New macro.
5916
5917 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5918
5919         * cfgloopmanip.c: Add missing function comments, fix formatting.
5920
5921 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5922
5923         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5924         (create_empty_loop_on_edge): Defined.
5925         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5926         instead of void.
5927         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5928         (update_dominators_in_loop): Declared as extern
5929         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5930
5931 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5932
5933         * graphite.c (print_graphite_bb): Allow changing number of loops
5934         in SCoP domain.
5935         (initialize_cloog_names): Allow changing number of loops.
5936         (build_cloog_prog): Simplify.
5937         (find_transform): Enable cloog option --strides.
5938         (graphite_swap_loops): New.
5939         (graphite_strip_mine_loop): New.
5940         (graphite_trans_swap_1and2): New.
5941         (graphite_trans_strip): New.
5942         (graphite_transform_loops): Add graphite_trans_strip.
5943         * graphite.h (scop_max_loop_depth): New.
5944
5945 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5946
5947         * graphite.c (build_scop_iteration_domain): Remove forgotten
5948         line. (Fixes compile)
5949
5950 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5951
5952         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5953         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5954         (build_bb_loops): New.
5955         (graphite_transform_loops): Add build_bb_loops.
5956         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5957         numbers.
5958         * graphite.h (graphite_bb): Add loops.
5959         (gbb_nb_loops): New.
5960         (gbb_loop_at_index): New.
5961         (gbb_loop_index): New.
5962         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5963         using nb_params_in_scop.
5964
5965 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5966
5967         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5968         (build_scop_canonical_schedules): Build minimized schedule.
5969         (schedule_to_scattering): Adapt to minimized schedule.
5970         * graphite.h (graphite_bb): Add/Update descriptions.
5971
5972 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5973             Tobias Grosser  <grosser@fim.uni-passau.de>
5974
5975         * graphite.c (print_graphite_bb): Add condition printing.
5976         (dump_value): New.
5977         (dump_gbb_conditions): New.
5978         (build_scop_conditions_1): New.
5979         (build_scop_conditions): New.
5980         * graphite.h (graphite_bb): Add conditions.
5981
5982 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5983
5984         * graphite.c (print_graphite_bb):
5985         (free_graphite_bb): New.
5986         (free_scop): Free bbs.
5987         (get_bb_type): Free doms.
5988         (build_scop_context): Free context matrix.
5989         (build_loop_iteration_domains): Remove unused code.
5990         (build_cloog_prog): Free scattering function and blocklist.
5991         (find_transform): Free options.
5992
5993 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5994
5995         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5996         Remove unnecessery cloog data structures. Make a copy of the domain
5997         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5998         unnecessary cloog data structures. Fix memory leaks. Remove insert
5999         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6000         used.
6001         (build_scop_iteration_domain): Remove unnecessary cloog
6002         data structures.  Fix memory leaks.
6003         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6004         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6005
6006 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6007
6008         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6009
6010 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6011
6012         * graphite.c (end_scop): Style fix.
6013         (schedule_to_scattering): Style and comment fix.
6014
6015 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6016         * graphite.c (print_graphite_bb): Fix definiton of
6017         schedule_to_scattering.
6018         (initialize_cloog_names): Change nb_scattdims to max loop
6019         depth in SCoP.
6020         (schedule_to_scattering): Take parameter for number of scattering
6021         dimensions.
6022         (build_cloog_prog): Only build as much scattering dimensions as
6023         necessary.
6024
6025 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6026
6027         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6028         in polyhedron/aermod.f90.
6029
6030 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6031             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6032             Harsha Jagasia  <harsha.jagasia@amd.com>
6033
6034         * graphite.c (is_bb_addable): Fix segfault.
6035
6036 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6037
6038         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6039         with multiple exits and conditional handling in edge cases.
6040         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6041
6042         * gcc.dg/graphite/scop-14.c: New.
6043
6044 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6045             Adrien Eliche  <aeliche@isty.uvsq.fr>
6046
6047         * graphite.c (is_bb_addable): Add more comments and enhance
6048         readablity of the source code. Fix memory leak.
6049         (is_loop_exit): Fix memory leak.
6050
6051 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6052
6053         * graphite.c (first_loop_in_scop): Deleted.
6054         (setup_cloog_loop): Only walk the loop chain for inner loops.
6055         (build_scop_iteration_domain): Execute setup_cloog_loop for
6056         all loops in the first layer.
6057
6058 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6059
6060         * graphite.c (scan_tree_for_params): Change the way params are
6061         added to be indepenent of the number of loops.
6062         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6063         handling.
6064         (build_cloog_prog): Revert to short matrix format.
6065
6066 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6067             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6068
6069         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6070         warning.
6071
6072 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6073
6074         * graphite.c (nb_data_refs_in_scop): New.
6075         (graphite_transform_loops): Print more stats: number of
6076         loops, basic blocks and data references per scop.
6077
6078 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6079             Jan Sjodin  <jan.sjodin@amd.com>
6080
6081         * graphite.c (loop_affine_expr, idx_record_params,
6082         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6083         instead of instantiate_parameters.
6084
6085 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6086
6087         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6088         add support for parameters, add STATIC_SCHEDULE at the right places,
6089         cleanup.
6090
6091 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6092
6093         * graphite.c (build_scop_loop_nests): Only add the loops, that
6094         are contained completely in the SCoP.
6095         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6096         and the domains are fixed.
6097         (build_scop_canonical_schedules): Add support for bbs not contained
6098         in any SCoP.
6099
6100 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6101
6102         * graphite.h (scop_contains_loop): Update comments to match
6103         the actual behavior.
6104         (scop_contains_loop): New.
6105         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6106
6107 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6108
6109         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6110         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6111         as GBB_COND_HEADER.
6112
6113 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6114             Tobias Grosser  <grosser@fim.uni-passau.de>
6115
6116         * graphite.c (graphite_transform_loops): Early return when
6117         there are no loops in the function.
6118
6119 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6120             Jan Sjodin  <jan.sjodin@amd.com>
6121
6122         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6123         offset of the last loop.
6124         (setup_cloog_loop): Copy the entire outer constraint matrix.
6125
6126 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6127             Jan Sjodin  <jan.sjodin@amd.com>
6128
6129         * graphite.c (stmt_in_scop_p, function_parameter_p,
6130         invariant_in_scop_p): Removed.
6131         (scan_tree_for_params): Can be used with no constraint
6132         matrix for gathering parameters.
6133         (idx_record_params): Don't use idx_record_param, instead use
6134         scan_tree_for_params.
6135         (find_scop_parameters): Same.
6136         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6137         Fix the size of loop domains.
6138         (schedule_to_scattering): Exit when the outer loop is not in scop.
6139         (find_transform): Enable build_cloog_prog.
6140
6141 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6142             Jan Sjodin  <jan.sjodin@amd.com>
6143
6144         * graphite.c (schedule_to_scattering): Make scattering domains
6145         uniformly of the same size, as required by CLooG 0.14.0 and before.
6146
6147 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6148             Jan Sjodin  <jan.sjodin@amd.com>
6149
6150         * graphite.c (schedule_to_scattering): Rewrite, correct the
6151         translation of the scheduling function to scattering.
6152         (build_cloog_prog): Call schedule_to_scattering only once.
6153         * graphite.h (scop_loop_index): Do not fail for loops not
6154         in the scop: return -1.
6155
6156 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6157
6158         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6159         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6160         (setup_cloog_loop): Export GBB_DOMAIN.
6161         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6162         able to rebuild the original control flow.
6163         * graphite.h (graphite_bb): Add domain field and access macro.
6164         (GBB_DOMAIN): New.
6165
6166 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6167
6168         * graphite.c (debug_gbb): New.
6169         (print_scop, build_graphite_bb): Use SCOP_BBS.
6170         (build_scop_bbs): Reimplemented.
6171         (dfs_bb_in_scop_p): Removed.
6172         (build_scop_loop_nests): Reorder loops inserted in
6173         SCOP_LOOP_NEST: outer loops should come first.
6174         (build_scop_canonical_schedules): Reinitialize at zero
6175         the components of the SCOP_STATIC_SCHEDULE for the loops
6176         that have already been parsed.
6177
6178         * graphite.h (debug_gbb): Declared.
6179
6180 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6181             Jan Sjodin  <jan.sjodin@amd.com>
6182
6183         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6184         (graphite_loop_to_gcc_loop): Removed.
6185         (remove_all_edges): New.
6186         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6187         (gloog): Remove useless code.
6188
6189 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6190
6191         * graphite.c (get_bb_type): Reworked. We distinguish between
6192         loops with one or multiple exits.
6193         (is_loop_exit): New.
6194         (is_pred): New.
6195         (is_bb_addable): Rework condition handling, now support for case
6196         case statements and loops with multiple exits.
6197
6198         * gcc.dg/graphite/scop-11.c: New.
6199         * gcc.dg/graphite/scop-12.c: New.
6200         * gcc.dg/graphite/scop-13.c: New.
6201
6202 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6203
6204         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6205         we have too many colors.
6206
6207 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6208
6209         * doc/invoke.texi (-ftree-loop-fusion): Document.
6210         * tree-pass.h (pass_loop_fusion): Declared.
6211         * tree-loop-fusion.c: New.
6212         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6213         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6214         * tree-data-ref.h (find_data_references_in_loop): Declared.
6215         * common.opt (ftree-loop-fusion): Declared.
6216         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6217
6218 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6219
6220         * graphite.c (build_access_matrix): Fix typo from the merge.
6221
6222 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6223
6224         * Merge from mainline (130800:135673).
6225
6226 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6227
6228         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6229         Update dominators after splitting.
6230
6231 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6232
6233         * graphite.c (is_bb_addable): Return the harmful statement.
6234         Factor up some code.
6235         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6236         (build_scops_1): Call end_scop.
6237
6238 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6239
6240         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6241         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6242         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6243         build_scops_1): Removed.
6244         (build_scops_2): Renamed build_scops_1.
6245
6246 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6247
6248         * graphite.c: Fix formatting.
6249
6250 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6251
6252         * graphite.c (get_bb_type): New.
6253         (move_scops): New.
6254         (build_scops_2): New.
6255         (is_bb_addable): New.
6256         (build_scops): Switch the scop detection.
6257         (build_scop_bbs): Add entry bb to scop.
6258         * graphite.h (struct scop): Update comment.
6259
6260 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6261
6262         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6263         more colors.
6264
6265 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6266
6267         * gcc.dg/graphite/scop-1.c: Update.
6268         * gcc.dg/graphite/scop-2.c: Update.
6269         * gcc.dg/graphite/scop-4.c: Update.
6270         * gcc.dg/graphite/scop-5.c: Add.
6271         * gcc.dg/graphite/scop-6.c: Add.
6272
6273 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6274
6275         * gcc.dg/graphite/scop-0.c: Add.
6276         * gcc.dg/graphite/scop-7.c: Add.
6277         * gcc.dg/graphite/scop-8.c: Add.
6278         * gcc.dg/graphite/scop-9.c: Add.
6279         * gcc.dg/graphite/scop-10.c: Add.
6280
6281 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6282
6283         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6284         Check affine expressions depending on the outermost loop
6285         instead of a scop.
6286         (stmt_simple_for_scop_p): Same.
6287         (harmfule_stmt_in_scop): Same.
6288
6289 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6290
6291         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6292         mark entry and exit, that are not part of the SCoP and update HTML
6293         formatting.
6294
6295 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6296
6297         * graphite.c (basic_block_simple_for_scop_p): Renamed
6298         harmful_stmt_in_bb.
6299         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6300         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6301         (all_preds_visited_p, all_succs_visited_p,
6302         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6303         scop_end_loop): New.
6304         (build_scops): Do not use dfs_enumerate_from.
6305
6306         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6307
6308 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6309
6310         * graphite.c: Add comments to functions that are missing a
6311         description.
6312         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6313
6314 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6315
6316         * graphite.c (nb_params_in_scop): Moved...
6317         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6318         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6319         (clast_to_gcc_expression): Reduce column size to less than 80.
6320         (graphite_create_iv): Return the new name of the IV.
6321         (find_transform): Set options->esp and options->cpp.
6322         (gloog): Comment out the invalidation of the old loop code.
6323         (initialize_dependence_polyhedron): Replace scop_nb_params with
6324         nb_params_in_scop.
6325
6326         * graphite.h (nb_params_in_scop): ... here.
6327         (scop_nb_params): Removed.
6328         (loop_domain_dim): Return something even when the loop was not
6329         found in the hash table: avoid ICEing on all the graphite.exp
6330         testcases.
6331
6332 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6333
6334         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6335
6336         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6337         according to nesting level.
6338         (find_scop_parameters): Call instantiate_parameters.
6339         (scan_tree_for_params): Extend it to handle general affine bounds.
6340         Inner loop bound can depend on outer loop induction variable.
6341         (setup_cloog_loop): tmp variable is allocated on stack. Call
6342         instantiate_parameters with respect to outermost_loop_in_scop.
6343         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6344         graphite.h.
6345         (create_empty_loop): Function loopify should be given edge
6346         probability, instead of edge frequency. Dominance relation from
6347         switch_bb to loop_header.
6348         (clast_to_gcc_expression): Added handling of clast_reduction node.
6349         (gloog): New functionality for removing old loop.
6350         (test_dependence): Factored out from build_rdg_all_levels.
6351         (build_rdg_all_levels): Dependence testing factored out to
6352         test_dependence function.
6353
6354         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6355         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6356         from graphite.c
6357
6358 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6359
6360         * graphite.c (free_scop, param_index, initialize_cloog_names,
6361         nb_params_in_scop): Use name_tree map instead of just a tree
6362         for keeping track of the variable name associated to that tree.
6363         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6364         clast_to_gcc_expression, graphite_create_iv,
6365         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6366         graphite_stmt_to_gcc_stmt): New.
6367         (gloog): Call these.
6368         * graphite.h (struct name_tree): New.
6369         (struct scop): Use name_tree instead of tree for params.
6370         Store a vector of name_tree for new_ivs.
6371         (SCOP_NEWIVS): New.
6372         (scop_nb_params): Use name_tree instead of tree.
6373
6374 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6375             Sebastian Pop  <sebastian.pop@amd.com>
6376
6377         * tree-bounds.c: New.
6378         * tree-bounds.h: New.
6379         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6380         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6381         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6382         flag_mudflap.
6383         * gcc.c: Same.
6384         * toplev.c: Same.
6385         * c-cppbuiltin.c: Same.
6386         * c-pragma.c: Same.
6387         * common.opt: Same.
6388         * varasm.c: Same.
6389         * tree-outof-ssa.c: Same.
6390         * c-common.c: Same.
6391         * Makefile.in: Same.
6392
6393 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6394             Sebastian Pop  <sebastian.pop@amd.com>
6395
6396         * tree-loop-distribution.c (remaining_stmts,
6397         upstream_mem_writes): Removed static variables.
6398         (copy_loop_before, create_bb_after_loop,
6399         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6400         rdg_build_components, rdg_build_partitions,
6401         dump_rdg_partitions): Extern.
6402         (generate_loops_for_partition, generate_code_for_partition): Do not
6403         return a bool.
6404         (already_processed_vertex_p, predecessor_has_mem_write,
6405         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6406         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6407         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6408         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6409         Pass remaining_stmts and upstream_mem_writes as parameters.
6410         (rdg_component): Moved...
6411         (build_rdg_partition_for_component): Do not aggregate components when
6412         flag_streamize_loops is set.
6413         (gen_sequential_loops): New.
6414         (ldist_gen): Call gen_sequential_loops.
6415
6416         * tree-pass.h (pass_loop_streamization): Declared.
6417
6418         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6419         basic blocks when loops structures exist.
6420
6421         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6422
6423         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6424
6425         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6426         eliminate_local_variables_stmt, eliminate_local_variables,
6427         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6428         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6429         of code delimited by two edges in the CFG.
6430         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6431         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6432         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6433         the case of parallelisation of reductions.
6434         (create_loop_fn): Extern.
6435         (create_omp_parallel_region): New.
6436
6437         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6438         dump_data_reference for printing dra and drb.
6439         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6440         RDGE_RELATION.
6441         (build_rdg): Don't call free_dependence_relations for the moment, as
6442         we attach dependence relations on each edge of the RDG.
6443         To be fixed later.
6444
6445         * tree-data-ref.h (rdg_component): ...here.
6446         (struct rdg_edge): New field ddr_p relation.
6447         (RDGE_RELATION): New.
6448         (create_bb_after_loop, copy_loop_before,
6449         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6450         rdg_build_partitions, dump_rdg_partitions,
6451         free_rdg_components): Declared.
6452
6453         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6454         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6455
6456         * tree-loop-streamization.c: New.
6457
6458         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6459         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6460
6461         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6462
6463         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6464
6465         * passes.c: Schedule pass_loop_streamization.
6466
6467 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6468
6469         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6470         update comment.
6471
6472 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6473
6474         * graphite.c (dot_all_scops): Update formatting.
6475         Bbs can now be part of more than one SCoP.
6476
6477 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6478
6479         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6480         malloc problems.
6481         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6482         * graphite.h (loop_to_cloog_loop): New.
6483
6484 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6485
6486         * graphite.c (loop_domain_dim, ref_nb_loops,
6487         loop_iteration_vector_dim): New.
6488         (build_access_matrix_with_af, build_access_matrix,
6489         initialize_dependence_polyhedron): Fixed for new matrix layout.
6490         No longer assume that all iteration domains are of the same
6491         dimensionality.
6492
6493 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6494
6495         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6496         defined in a loop at depth 0 is invariant.
6497         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6498         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6499         be called at loop depth 0.
6500
6501         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6502         a parameter.
6503         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6504         (down_open_scop): Removed.
6505         (loop_in_scop_p): Redefined.
6506         (scop_affine_expr): New argument: scop.
6507         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6508         a harmful statement ending a scop.
6509         (basic_block_simple_for_scop_p): New argument: scop.
6510         (get_loop_start): Removed.
6511         (new_scop): Initialize SCOP_LOOPS.
6512         (free_scop): Free SCOP_LOOPS.
6513         (succs_at_same_depth, preds_at_same_depth): New.
6514         (end_scop): Test the validity of a scop.
6515         (add_dominators_to_open_scops): New.
6516         (test_for_scop_bound): Call add_dominators_to_open_scops.
6517         Add cases for opening and closing multiple scops.
6518         (build_scops, build_scop_bbs): Iterate over basic blocks in
6519         depth first order.
6520         (build_graphite_bb): Pass scop directly.
6521         (dfs_bb_in_scop_p): New.
6522         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6523         several times.
6524         (nb_loops_around_gb): Use loop_in_scop_p.
6525         (schedule_to_scattering): Disabled for the moment the code computing
6526         the "textual order for outer loop".
6527
6528         * graphite.h (struct scop): New field loops.
6529         (SCOP_LOOPS): New.
6530         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6531
6532         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6533
6534 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6535             Sebastian Pop  <sebastian.pop@amd.com>
6536
6537         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6538         * common.opt (fstreamize-loops): New.
6539         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6540         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6541         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6542         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6543
6544 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6545
6546         * tree-data-ref.c (build_empty_rdg): New.
6547         (build_rdg): Use it.
6548         * tree-data-ref.h (build_empty_rdg): Declared.
6549         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6550         (find_vertex_for_stmt): Removed.
6551         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6552
6553 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6554
6555         * tree-loop-distribution.c (generate_builtin): After cancelling the
6556         loop tree, also delete basic blocks.
6557         (rdg_flag_uses): Stop recursion when a vertex has already been
6558         processed.
6559
6560 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6561
6562         * graphite.c (build_scop_alpha): Removed.
6563         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6564         and dump_dependence_graph to avoid compiler warnings.
6565
6566 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6567
6568         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6569         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6570         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6571         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6572         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6573         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6574         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6575         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6576         dump_dependence_graph): New.
6577         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6578         (GBB_ALPHA): New.
6579         (struct scop): New field loop2cloog_loop.
6580         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6581         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6582
6583 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6584
6585         * graphite.c (build_graphite_bb): Fix initialization
6586         of the graphite basic block.
6587
6588 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6589
6590         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6591         loop domain matrix.  Pass in the number of loops contained in the
6592         constraint matrix.
6593         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6594         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6595         loops that are not surrounding the current loop are not represented
6596         in the domain constraint matrix.
6597         (build_scop_iteration_domain): Initial domain constraint matrix
6598         contains only the eq/ineq, cst, and scop parameters columns.
6599
6600 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6601
6602         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6603         (print_graphite_bb): Print scattering.
6604
6605 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6606
6607         * graphite.c (initialize_cloog_names): Initialize names of
6608         scattering variables.
6609
6610 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6611
6612         * graphite.c (dot_all_scops_1): Disable debug output while
6613         printing graph.
6614
6615 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6616
6617         * graphite.c (find_transform): Change cloog output language to C.
6618
6619 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6620
6621         * tree-loop-distribution.c (generate_memset_zero,
6622         generate_builtin, generate_code_for_partition,
6623         rdg_flag_all_uses): New.
6624         (rdg_flag_uses): Gather in the same partition the statements defining
6625         the VUSES of the current statement.
6626         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6627         Gather in the same partition not only the stores to the same memory
6628         access, but also the reads.
6629         (ldist_generate_loops): Renamed ldist_gen.
6630
6631 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6632             Tobias Grosser  <grosser@fmi.uni-passau.de>
6633
6634         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6635         next pointer, don't use the inner pointer.
6636
6637 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6638
6639         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6640         (find_transform): Call dot_all_1.
6641         * graphite.h (dot_all_scops): Declared.
6642
6643 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6644
6645         * tree-loop-distribution.c: Fix apsi.f ICE.
6646         (create_bb_after_loop): New.
6647         (generate_loops_for_partition): Use it.
6648         * gfortran.dg/ldist-1.f90: New.
6649
6650         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6651         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6652
6653 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6654
6655         * graphite.c (find_transform): Dump cloog program sent to cloog.
6656
6657 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6658
6659         * graphite.c (initialize_cloog_names): Initialize cloog
6660         iterator names.
6661
6662 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6663
6664         * graphite.c (build_scop_context): Fix typo, for the matrix
6665         format: insert '0 >= 0' instead of '-1 >= 0'.
6666
6667 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6668
6669         * Fix merge problems.
6670
6671 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6672
6673         * graphite.c (setup_cloog_loop): Fix typo.
6674
6675 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6676
6677         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6678         * tree-loop-distribution.c: Reimplemented.
6679         * tree-pass.h (pass_loop_distribution): New.
6680         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6681         print_loops.
6682         * graphds.h (struct graph): New field indexes.
6683         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6684
6685         * tree-vect-analyze.c: Remove declaration of static functions when not
6686         needed.
6687         * tree-vectorizer.c: Same.
6688         (rename_variables_in_loop): Now extern.
6689         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6690         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6691         calling redirect_edge_and_branch_force.
6692
6693         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6694
6695         * tree-data-ref.c: Don't include tree-chrec.h.
6696         (debug_data_dependence_relations): New.
6697         (dump_data_dependence_relation): Call dump_data_reference on data refs
6698         in the relation.
6699         (same_access_functions): Moved...
6700         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6701         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6702         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6703         struct rdg_vertex_info, ): New.
6704         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6705         at DDR_REVERSED_P.
6706         (create_rdg_vertices): Initialize the htab of graph->indexes.
6707         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6708         (stmts_from_loop): Don't save LABEL_EXPR.
6709         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6710         hash_stmt_vertex_del): New.
6711         (build_rdg): Initialize rdg->indexes.
6712         (free_rdg, stores_from_loop, ref_base_address,
6713         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6714         have_similar_memory_accesses_1, ref_base_address_1,
6715         remove_similar_memory_refs): New.
6716
6717         * tree-data-ref.h: Include tree-chrec.h.
6718         (debug_data_dependence_relations): Declared.
6719         (same_access_functions): ...here.  Now static inline.
6720         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6721         ddr_dependence_level): New.
6722         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6723         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6724         RDG_MEM_READS_STMT): New.
6725         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6726         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6727         rdg_vertex_for_stmt): Declared.
6728         (struct rdg_edge): New field level.
6729         (RDGE_LEVEL, free_rdg): New.
6730         (stores_from_loop, remove_similar_memory_refs,
6731         rdg_defs_used_in_other_loops_p,
6732         have_similar_memory_accesses): Declared.
6733         (rdg_has_similar_memory_accesses): New.
6734
6735         * lambda.h (dependence_level): New.
6736         * common.opt (ftree-loop-distribution): New.
6737         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6738         (print_loop_ir): Renamed print_loops.
6739         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6740         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6741         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6742         (tree-loop-distribution.o): Added.
6743         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6744         (mark_virtual_ops_in_bb): New.
6745         (print_loops_bb, debug_loop_num, debug_loop): New.
6746         * passes.c: Scheduled pass_loop_distribution.
6747
6748 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6749
6750         * graphite.c (scan_tree_for_params): Correct the number of columns
6751         for polylib format.
6752         (nb_flat_iterator): New.
6753         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6754         (build_scop_iteration_domain): Correct the number of columns for
6755         polylib format.
6756
6757 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6758
6759         * Merge from mainline (129697:130800).
6760
6761 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6762
6763         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6764         dominated by SCoP's exit.
6765         (graphite_transform_loops): Compute post dominators.
6766
6767 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6768
6769         * Merge from mainline (127169:129697).
6770
6771 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6772
6773         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6774         parameter for the basic block that contains the expression.  Use
6775         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6776         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6777         the expression.
6778         * graphite.h (gbb_loop): New.
6779         (GBB_LOOP): Removed.
6780
6781 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6782
6783         * Makefile.in: Fix merge problem.
6784
6785 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6786
6787         * Merge from mainline (125309:127169).
6788         * tree-loop-distribution.c: Disabled.
6789
6790 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6791
6792         * Merge from mainline (r123693:125309).
6793
6794 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6795
6796         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6797         correct_modify_p
6798         (correct_modify_p, check_statements, number_of_lvalue_uses,
6799         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6800         instead of MODIFY_EXPR.
6801         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6802         and push new edges.
6803
6804 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6805
6806         * tree-loop-distribution.c (struct rdg): Replace arrays by
6807         VECs for edges and vertices.
6808         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6809         (RDGV_NB_PARTITIONS): New.
6810         (PRDG_NBV, PRDG_NBE): Removed.
6811         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6812         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6813         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6814
6815 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6816             Sebastian Pop  <sebpop@gmail.com>
6817
6818         * doc/invoke.texi (-ftree-loop-distribution): Document.
6819         * tree-loop-distribution.c: New file.
6820         * tree-pass.h (pass_loop_distribution): Declared.
6821         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6822         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6823         and set reversed_p.
6824         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6825         (DDR_REVERSED_P): New.
6826         * common.opt (-ftree-loop-distribution): New.
6827         * tree-flow.h (distribute_loops): Declared.
6828         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6829         * passes.c (init_optimization_passes): Schedule loop distribution.
6830
6831 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6832
6833         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6834         (print_scop): Don't print when scop is NULL.
6835         (build_scop_context, find_transform): Don't output to stderr.
6836
6837 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6838
6839         * tree-data-ref.c: Don't include graphite.h.
6840         Comment out the code for printing data reference's scop.
6841         (build_access_matrix_with_af): Moved...
6842         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6843         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6844         (print_graphite_bb): Print basic block's schedule.
6845         (print_scop): Don't print the schedule, call cloog's pretty printer.
6846         (bb_in_scop_p): A basic block is in a scop only if it is both
6847         dominated and postdominated by the scop's entry and exit basic blocks.
6848         (function_parameter_p): New.
6849         (invariant_in_scop_p): Use function_parameter_p.
6850         (new_scop, save_scop): New.
6851         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6852         save_scop.
6853         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6854         (loop_in_scop_p): New.
6855         (scop_record_loop): Use loop_in_scop_p.
6856         (build_scop_domain): Renamed build_scop_iteration_domain.
6857         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6858         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6859         setup_cloog_loop, dot_scop_1, dot_scop): New.
6860         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6861         (struct scop): Add a pointer to cloog's representation of a program.
6862
6863 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6864
6865         * doc/invoke.texi (-ftree-check-verbose): Renamed
6866         -ftree-checks-verbose.
6867         * common.opt (flag_tree_check_verbose): Renamed
6868         flag_tree_checks_verbose.
6869         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6870
6871 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6872
6873         * configure: Regenerated.
6874         * config.in: Regenerated.
6875         * tree-ssa-loop.c (graphite_transforms): Execute
6876         graphite_transform_loops only when HAVE_cloog.
6877         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6878         * graphite.c: Include polylibgmp.h and cloog.h.
6879         (graphite_transform_loops): Removed loops parameter.
6880         * tree-flow.h (graphite_transform_loops): Update declaration.
6881         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6882         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6883         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6884         (OBJS-common): Remove dependence on graphite.o.
6885         (BACKEND): Depend on @GRAPHITE@.
6886
6887 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6888
6889         * doc/invoke.texi (-ftree-check-verbose): Documented.
6890         * gcc.dg/tree-checker/tree-checks-1.c: New.
6891         * gcc.dg/tree-checker/tree-checks-2.c: New.
6892         * gcc.dg/tree-checker/tree-checks-3.c: New.
6893         * gcc.dg/tree-checker/tree-checks-4.c: New.
6894         * gcc.dg/tree-checker/tree-checks.exp: New.
6895         * gcc.dg/tree-checker/condates.crp: New.
6896         * common.opt (ftree-checks-verbose): New.
6897         * tree-check.c (tree_check_warning): Move extra stderr output
6898         under control of flag_tree_check_verbose.
6899
6900 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6901
6902         * tree-match.c: Fix comments formatting.
6903         * tree-match.h: Fix comments formatting.
6904         * tree-check.c: Fix comments formatting.
6905         (tree_check_init): Restructure.
6906
6907 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6908
6909         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6910
6911 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6912
6913         * Merge from mainline (r120733:123693).
6914
6915 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6916
6917         * condate.y: New file.
6918         * tree-match.h (struct patt_info_s): New field sign.
6919         (struct condate_s): New field msg.
6920         (normalize_condate, name_condate, add_condate): New.
6921         (conds[], condate_parse): Made extern.
6922         * tree-check.c (tree_check_warning): First arg changed to cond;
6923         warning reformatted.
6924         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6925         (tree_scan): New.
6926         (tree_check): Process trivial condates.
6927         (read_delimited_string): Removed.
6928         (print_cond): Print name and msg.
6929         (conds[]): Made extern.
6930         (parse_tree_check_file_once): Rewritten to use the parser in
6931         condate.y.
6932         Processing of option --tree_check_string moved to tree_scan().
6933         * Makefile.in: Added condate.y
6934
6935 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6936
6937         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6938         Use VECs instead of varrays.
6939         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6940         * Makefile.in (pretty-print.o): Depend on vec.h.
6941         * pretty-print.c: Include tree.h and vec.h.
6942         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6943         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6944         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6945         pp_free_list): Use VECs instead of varrays.
6946         * pretty-print.h: Do not include varray.h.
6947         (struct tree_chunk_s): Declaration moved before its use.
6948         (output_buffer): Rename varray field to chunks.
6949         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6950         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6951         save_global_holes): Use VECs instead of varrays.
6952         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6953         * tree-check.c (scan_cfg_stmts, push_node,
6954         print_matching_stmt): Removed.
6955         (tree_check_instance, push_global_holes_if_new, tree_check,
6956         execute_tree_check): Use VECs instead of varrays.
6957         (gate_tree_check): Don't execute the CFG check when basic_block_info
6958         is not available.
6959
6960 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6961
6962         * Merge from mainline (r115016:120733).
6963
6964 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6965
6966         * Merge from mainline (r117632:117661).
6967
6968 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6969
6970         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6971         * tree-pass.h (TDF_DEBUG, debug_p): New.
6972         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6973         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6974         get_loop_exit_condition, analyze_evolution_in_loop,
6975         analyze_initial_condition, analyze_scalar_evolution,
6976         instantiate_parameters, number_of_latch_executions): Use debug_p.
6977         * tree-chrec.c (chrec_apply): Use debug_p.
6978         * tree-data-ref.c: Include graphite.h.
6979         (dump_data_reference): Print also the access matrix.
6980         (analyze_array, analyze_indirect_ref, init_data_ref,
6981         analyze_offset_expr, address_analysis, object_analysis,
6982         create_data_ref, finalize_ddr_dependent,
6983         non_affine_dependence_relation, analyze_ziv_subscript,
6984         analyze_siv_subscript_cst_affine,
6985         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6986         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6987         analyze_miv_subscript, analyze_overlapping_iterations,
6988         build_classic_dist_vector, subscript_dependence_tester,
6989         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6990         (build_access_matrix_with_af): No longer static.
6991         * tree-data-ref.h (scop_p): ... declaration here.
6992         (data_reference.scop): New field.
6993         (DR_SCOP, DR_ACCESS_MATRIX): New.
6994         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6995         * graphite.c (print_graphite_bb): Call dump_data_references.
6996         (print_scop): Use scop_nb_loops and scop_dim_domain.
6997         (test_for_scop_bound): Use debug_p.
6998         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6999         scop_nb_params.
7000         (scop_loop_index): Moved...
7001         (scop_record_loop): New.
7002         (build_scop_loop_nests): Use scop_record_loop.
7003         (build_scop_domain): Use scop_dim_domain.
7004         (build_access_matrix): Implemented.
7005         (build_scop_canonical_schedules): Use scop_nb_loops.
7006         (build_graphite_bb): Initialize GBB_SCOP.
7007         * graphite.h (scop_p): Moved...
7008         (graphite_bb.scop): New field.
7009         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7010         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7011         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7012         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7013         scop_loop_index): New.
7014         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7015
7016 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7017
7018         * Merge from mainline (r117661:120450).
7019
7020 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7021
7022         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7023         at the first declaration outside the varying loop, instantiate as
7024         far as possible.
7025         * tree-chrec.c (for_each_scev_op): New.
7026         * tree-chrec.h (for_each_scev_op): Declared.
7027         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7028         * tree-data-ref.c (get_references_in_stmt,
7029         find_data_references_in_stmt): New, from trunk.
7030         (find_data_references_in_loop): Use get_references_in_stmt
7031         and find_data_references_in_loop, modified as in trunk.
7032         (build_access_matrix_with_af): New.
7033         * tree-data-ref.h (data_reference): Add a field access_matrix.
7034         (data_ref_loc): New, as in trunk.
7035         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7036         invariant_in_scop_p, param_index, scan_tree_for_params,
7037         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7038         idx_record_param, idx_record_params, build_access_matrix,
7039         build_scop_data_accesses, build_scop_canonical_schedules,
7040         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7041         build_scop_params): New.
7042         * graphite.h (graphite_bb): New.
7043         (scop): Add fields static_schedule, params, loop_nest,
7044         iteration_domain.
7045         * lambda.h: Declare vecs of lambda_matrix.
7046         * tree-flow.h (print_loop_ir_bb): Declared.
7047         * tree-cfg.c (print_loop_ir_bb): New.
7048         (print_loop): Use print_loop_ir_bb.
7049
7050 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7051
7052         * Merge from mainline (r115016:117632).
7053
7054 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7055
7056         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7057         break due to a warning.
7058
7059 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7060
7061         * graphite.c (print_scops, debug_scops): New.
7062         (graphite_transform): Renamed graphite_find_transform.
7063         * graphite.h (debug_scops): Declared.
7064
7065 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7066
7067         * tree-match.c: Reformat following the GNU style.
7068         * tree-match.h: Reformat following the GNU style.
7069         * tree-pattern.h: Removed empty file.
7070         * Makefile.in: Remove references to tree-pattern.h.
7071         * tree-check.c: Reformat following the GNU style.
7072         (execute_tree_check): Move gate condition code to...
7073         (gate_tree_check): ...here.  New function.
7074         (pass_check): Use the gate function.
7075
7076 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7077
7078         * tree-pattern.h: New. Tree pattern matching and checking using
7079         concrete syntax.
7080         * tree-check.c: New. Tree/CFG checking pass.
7081         * tree-match.c: New. Library for tree pattern matching.
7082         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7083         * toplev.c, flags.h: Add globals for tree-check pass.
7084         * Makefile.in: Integrate the files in tree-check pass.
7085         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7086         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7087         Introduce a "lazy" pretty-print mode.
7088         * tree.c, tree.h: Add tree_name.
7089
7090 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7091
7092         * doc/invoke.texi (-fgraphite): Correct typo.
7093         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7094         use of print_loop_ir.
7095         * gcc.dg/graphite/scop-1.c: New.
7096         * gcc.dg/graphite/scop-2.c: New.
7097         * gcc.dg/graphite/graphite.exp: New.
7098         * graphite.c: Include domwalk.h.
7099         (print_scop): Print only the entry and exit blocks.
7100         (debug_scop): No longer static.
7101         (affine_expr): Fix formating.  Return also true when the expression is
7102         constant.
7103         (stmt_simple_for_scop_p): Fix formating.
7104         (build_scops): Use domwalk.
7105         (get_loop_start, end_scop, test_for_scop_bound): New.
7106         (graphite_transform_loops): Avoid printing on stderr.
7107         * graphite.h (debug_scop): Declared.
7108         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7109         * Makefile.in (graphite.o): Depend on domwalk.h.
7110         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7111         declarations for static functions.
7112         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7113         controlling output verbosity.
7114
7115 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7116             Plesco Alexandru  <shurikx@gmail.com>
7117
7118         * doc/invoke.texi (-fgraphite): Document.
7119         * tree-pass.h (pass_graphite_transforms): Declared.
7120         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7121         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7122         (pass_graphite_transforms): Defined.
7123         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7124         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7125         * graphite.c, graphite.h: New.
7126         * common.opt (fgraphite): Declared.
7127         * tree-flow.h (graphite_transform_loops): Declared.
7128         * Makefile.in (OBJS-common): Add graphite.o.
7129         (graphite.o): New rule.
7130         * passes.c (pass_graphite_transforms): Scheduled.
7131