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 b359d524969e167acad216f1cc21e751cc7a2529..767fa3a0a6b3e3cee974b071c99071f1846128db 100644 (file)
--- a/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -478,6 +478,7 @@ bool SimplifyFortifiedLibCalls::fold(CallInst *CI, const TargetData *TD) {
         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),