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-rw-r--r--llvm/lib/Analysis/BasicAliasAnalysis.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index e682a644ef2..9bd4349835e 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -1196,8 +1196,10 @@ AliasResult BasicAAResult::aliasGEP(const GEPOperator *GEP1, uint64_t V1Size,
// If we get a No or May, then return it immediately, no amount of analysis
// will improve this situation.
- if (BaseAlias != MustAlias)
+ if (BaseAlias != MustAlias) {
+ assert(BaseAlias == NoAlias || BaseAlias == MayAlias);
return BaseAlias;
+ }
// Otherwise, we have a MustAlias. Since the base pointers alias each other
// exactly, see if the computed offset from the common pointer tells us
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