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-rw-r--r--llvm/lib/Analysis/GlobalsModRef.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/GlobalsModRef.cpp b/llvm/lib/Analysis/GlobalsModRef.cpp
index 0dc0078..a7d1e04 100644
--- a/llvm/lib/Analysis/GlobalsModRef.cpp
+++ b/llvm/lib/Analysis/GlobalsModRef.cpp
@@ -498,7 +498,7 @@ void GlobalsAAResult::AnalyzeCallGraph(CallGraph &CG, Module &M) {
// Can't do better than that!
} else if (F->onlyReadsMemory()) {
FI.addModRefInfo(MRI_Ref);
- if (!F->isIntrinsic())
+ if (!F->isIntrinsic() && !F->onlyAccessesArgMemory())
// This function might call back into the module and read a global -
// consider every global as possibly being read by this function.
FI.setMayReadAnyGlobal();