https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68234
--- Comment #5 from Jiong Wang <jiwang at gcc dot gnu.org> --- Author: jiwang Date: Wed Nov 11 10:51:31 2015 New Revision: 230150 URL: https://gcc.gnu.org/viewcvs?rev=230150&root=gcc&view=rev Log: [Patch] PR tree-optimization/68234 Improve range info for loop Phi node 2015-11-11 Richard Biener <rgue...@gcc.gnu.org> Jiong Wang <jiong.w...@arm.com> gcc/ PR tree-optimization/68234 * tree-vrp.c (vrp_visit_phi_node): Extend SCEV check to those loop PHI node which estimiated to be VR_VARYING initially. gcc/testsuite/ * gcc.dg/tree-ssa/pr68234.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr68234.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c
