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path: root/lib/Transforms/Utils/BuildLibCalls.cpp
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-rw-r--r--lib/Transforms/Utils/BuildLibCalls.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BuildLibCalls.cpp b/lib/Transforms/Utils/BuildLibCalls.cpp
index ebde1f9a17dd..b60dfb4f3541 100644
--- a/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -116,6 +116,7 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
case LibFunc_wcslen:
Changed |= setOnlyReadsMemory(F);
Changed |= setDoesNotThrow(F);
+ Changed |= setOnlyAccessesArgMemory(F);
Changed |= setDoesNotCapture(F, 0);
return Changed;
case LibFunc_strchr: