Actually... return after the check for invalid input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101139 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BuildLibCalls.cpp b/lib/Transforms/Utils/BuildLibCalls.cpp
index b359d52..767fa3a 100644
--- a/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -478,6 +478,7 @@
         FT->getParamType(0) != Type::getInt8PtrTy(Context) ||
         !FT->getParamType(2)->isIntegerTy() ||
         FT->getParamType(3) != TD->getIntPtrType(Context))
+      return false;
     
     if (isFoldable(4, 3, false)) {
       Value *Ret = EmitStrNCpy(CI->getOperand(1), CI->getOperand(2),