https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68240
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Nov 10 10:14:02 2015 New Revision: 230095 URL: https://gcc.gnu.org/viewcvs?rev=230095&root=gcc&view=rev Log: 2015-11-10 Richard Biener <rguent...@suse.de> PR tree-optimization/68240 * tree-ssa-sccvn.c (cond_stmts_equal_p): Handle commutative compares properly. (visit_phi): For PHIs with just a single executable edge take its value directly. (expressions_equal_p): Handle VN_TOP properly. * gcc.dg/torture/pr68240.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr68240.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-sccvn.c
