From 89d093d5b69d21b5a4f81b969597bd76b6327cb5 Mon Sep 17 00:00:00 2001 From: Nick Lewycky Date: Wed, 9 Nov 2011 07:11:37 +0000 Subject: Don't forget to check FlagNW when determining whether an AddRecExpr will wrap or not. Patch by Brendon Cahoon! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144173 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Analysis/ScalarEvolution.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'lib/Analysis/ScalarEvolution.cpp') diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index f65cf34335..b940d93d6e 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -6228,8 +6228,9 @@ ScalarEvolution::HowManyLessThans(const SCEV *LHS, const SCEV *RHS, return getCouldNotCompute(); // Check to see if we have a flag which makes analysis easy. - bool NoWrap = isSigned ? AddRec->getNoWrapFlags(SCEV::FlagNSW) : - AddRec->getNoWrapFlags(SCEV::FlagNUW); + bool NoWrap = isSigned ? + AddRec->getNoWrapFlags((SCEV::NoWrapFlags)(SCEV::FlagNSW | SCEV::FlagNW)) : + AddRec->getNoWrapFlags((SCEV::NoWrapFlags)(SCEV::FlagNUW | SCEV::FlagNW)); if (AddRec->isAffine()) { unsigned BitWidth = getTypeSizeInBits(AddRec->getType()); -- cgit v1.2.3-18-g5258