Correct the lexicographical function, add debug_pddr.
2010-02-03 Sebastian Pop <sebastian.pop@amd.com>
* graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
PDDR_ORIGINAL_SCATTERING_P.
(pddr_is_empty): Rewritten.
(print_dependence_polyhedron_layout): New.
(print_pddr): New.
(debug_pddr): New.
(build_alias_set_powerset): Moved up.
(poly_drs_may_alias_p): Moved up.
(lexicographically_gt_p): Removed.
(build_lexicographically_gt_constraint): Renamed
build_lexicographical_constraint, reimplemented.
(dependence_polyhedron_1): Simplified parameters.
(dependence_polyhedron): Same. Keep along empty PDDRs
to make efficient use of the cache.
(reduction_dr_p): Compute the PBBs don't pass them as parameters.
(graphite_legal_transform_dr): Rewritten.
(graphite_legal_transform_bb): Pass fewer arguments to
graphite_legal_transform_dr.
(graphite_carried_dependence_level_k): Simplified implementation.
(dot_original_deps_stmt_1): Call dependence_polyhedron.
(dot_transformed_deps_stmt_1): Same.
(dot_original_deps): Same.
(dot_transformed_deps): Same.
* graphite-dependences.h (struct poly_ddr): Added a new field
original_scattering_p.
(PDDR_ORIGINAL_SCATTERING_P): New.
(print_pddr): Declared.
(debug_pddr): Declared.
* graphite-ppl.c: Clarify comment.
* sese.h (print_gimple_bb): Removed unused declaration.
(debug_gbb): Same.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156549 138bc75d-0d04-0410-961f-82ee72b054a4