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-rw-r--r--lib/Analysis/BasicAliasAnalysis.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 018102112c..d986adec01 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -339,8 +339,9 @@ BasicAliasAnalysis::alias(const Value *V1, unsigned V1Size,
// Otherwise, nothing is known...
} else if (O1 != O2) {
- // If they are two different objects, we know that we have no alias...
- return NoAlias;
+ if (!isa<Argument>(O1))
+ // If they are two different objects, we know that we have no alias...
+ return NoAlias;
}
// If they are the same object, they we can look at the indexes. If they