http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54489
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-12 14:46:35 UTC --- Author: rguenth Date: Wed Sep 12 14:46:22 2012 New Revision: 191225 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191225 Log: 2012-09-12 Richard Guenther <rguent...@suse.de> PR tree-optimization/54489 * tree-ssa-pre.c: Include domwalk.h. (in_fre): Remove. (sccvn_valnum_from_value_id): New function. (debug_bitmap_sets_for): Simplify. (get_representative_for): Properly initialize the SCCVN valnum. (create_expression_by_pieces): Likewise. (insert_into_preds_of_block): Likewise. (can_PRE_operation): Remove. (make_values_for_phi): Simplify. (compute_avail): Likewise. (do_SCCVN_insertion): Remove. (eliminate_avail, eliminate_push_avail, eliminate_insert): New functions. (eliminate): Split and perform a domwalk. (eliminate_bb): Former eliminate part that is now dom-enter. (eliminate_leave_block): New function. (fini_eliminate): Likewise. (init_pre): Simplify. (fini_pre): Likewise. (execute_pre): Fold into do_pre and do_fre. (do_pre): Consume execute_pre. (do_fre): Likewise. * Makefile.in (tree-ssa-pre.o): Add domwalk.h dependency. Modified: trunk/gcc/ChangeLog trunk/gcc/Makefile.in trunk/gcc/tree-ssa-pre.c
