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-rw-r--r--lib/Analysis/BasicAliasAnalysis.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index d986adec01..89b5d5c3cb 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -338,9 +338,11 @@ BasicAliasAnalysis::alias(const Value *V1, unsigned V1Size,
return NoAlias;
// Otherwise, nothing is known...
+
} else if (O1 != O2) {
if (!isa<Argument>(O1))
- // If they are two different objects, we know that we have no alias...
+ // If they are two different objects, and neither is an argument,
+ // we know that we have no alias...
return NoAlias;
}