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-rw-r--r--lib/Analysis/BasicAliasAnalysis.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index d13a333ca3..cbbc530fef 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -929,6 +929,9 @@ BasicAliasAnalysis::getModRefBehavior(Function *F, CallSite CS,
}
ValueName *Name = F->getValueName();
+ if (!Name)
+ return UnknownModRefBehavior;
+
unsigned NameLen = Name->getKeyLength();
const char *NamePtr = Name->getKeyData();