diff options
Diffstat (limited to 'llvm/lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/BasicAliasAnalysis.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index dab551049cb..142589b68f8 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -852,8 +852,11 @@ ModRefInfo BasicAAResult::getModRefInfo(ImmutableCallSite CS, IsMustAlias = false; // Early return if we improved mod ref information - if (!isModAndRefSet(Result)) + if (!isModAndRefSet(Result)) { + if (isNoModRef(Result)) + return ModRefInfo::NoModRef; return IsMustAlias ? setMust(Result) : clearMust(Result); + } } // If the CallSite is to malloc or calloc, we can assume that it doesn't |
