------- Comment #3 from rguenth at gcc dot gnu dot org 2009-05-25 15:18 ------- Subject: Bug 36327
Author: rguenth Date: Mon May 25 15:18:21 2009 New Revision: 147851 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147851 Log: 2009-05-25 Richard Guenther <rguent...@suse.de> PR tree-optimization/36327 * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker callback for reference translation or lookup at the point of may-defs. * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype. * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out for union COMPONENT_REFs. (vn_reference_lookup_3): New callback. Lookup from memset and CONSTRUCTOR assignment, translate through struct copies. (vn_reference_lookup_pieces): Make sure to not free the passed operands array. Adjust walk_non_aliased_vuses call. (vn_reference_lookup): Adjust walk_non_aliased_vuses call, make sure we do not leak memory. * gcc.dg/tree-ssa/ssa-fre-24.c: New testcase. * gcc.dg/tree-ssa/ssa-fre-25.c: Likewise. * gcc.dg/tree-ssa/sra-2.c: Disable FRE. * gcc.dg/vect/no-vfa-vect-43.c: Adjust. * gcc.dg/vect/vect-40.c: Likewise. * gcc.dg/vect/vect-42.c: Likewise. * gcc.dg/vect/vect-46.c: Likewise. * gcc.dg/vect/vect-76.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-24.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-25.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-ssa/sra-2.c trunk/gcc/testsuite/gcc.dg/vect/no-vfa-vect-43.c trunk/gcc/testsuite/gcc.dg/vect/vect-40.c trunk/gcc/testsuite/gcc.dg/vect/vect-42.c trunk/gcc/testsuite/gcc.dg/vect/vect-46.c trunk/gcc/testsuite/gcc.dg/vect/vect-76.c trunk/gcc/tree-ssa-alias.c trunk/gcc/tree-ssa-alias.h trunk/gcc/tree-ssa-sccvn.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36327
