diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp
index 1b8a3a7b43a76c6682778520d433c21c59317af3..49db06461f714046fde83b416d348201b6a9354e 100644
--- a/llvm/lib/IR/AutoUpgrade.cpp
+++ b/llvm/lib/IR/AutoUpgrade.cpp
@@ -219,6 +219,7 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
       NewFn = nullptr;
       return true;
     }
+    break;
 
   case 'x': {
     bool IsX86 = Name.startswith("x86.");