http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58223
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Sep 9 09:47:24 2013 New Revision: 202385 URL: http://gcc.gnu.org/viewcvs?rev=202385&root=gcc&view=rev Log: 2013-09-09 Richard Biener <rguent...@suse.de> Backport from mainline 2013-08-30 Richard Biener <rguent...@suse.de> PR tree-optimization/58223 * tree-loop-distribution.c (has_anti_dependence): Rename to ... (has_anti_or_output_dependence): ... this and adjust to also look for output dependences. (mark_nodes_having_upstream_mem_writes): Adjust. (rdg_flag_uses): Likewise. * gcc.dg/torture/pr58223.c: New testcase. * gcc.dg/tree-ssa/ldist-16.c: Flip expected behavior. Added: branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr58223.c Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/testsuite/ChangeLog branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/tree-ssa/ldist-16.c branches/gcc-4_8-branch/gcc/tree-loop-distribution.c
