1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 8fa227930b4..3789181a898 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -171,7 +171,10 @@ static bool canTransformToMemCmp(CallInst *CI, Value *Str, uint64_t Len,
 
   if (!isDereferenceableAndAlignedPointer(Str, 1, APInt(64, Len), DL))
     return false;
-    
+
+  if (CI->getFunction()->hasFnAttribute(Attribute::SanitizeMemory))
+    return false;
+
   return true;
 }