stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98284 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index c428d2b..c26d74d 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -620,25 +620,13 @@
return 0;
}
- if (Name == "__strcpy_chk") {
+ if (Name == "__strcpy_chk" || Name == "__stpcpy_chk") {
ConstantInt *SizeCI = dyn_cast<ConstantInt>(CI->getOperand(3));
if (!SizeCI)
return 0;
if (SizeCI->isAllOnesValue()) {
- Value *Ret = EmitStrCpy(CI->getOperand(1), CI->getOperand(2), B, TD);
- CI->replaceAllUsesWith(Ret);
- CI->eraseFromParent();
- return true;
- }
- return 0;
- }
-
- if (Name == "__stpcpy_chk") {
- ConstantInt *SizeCI = dyn_cast<ConstantInt>(CI->getOperand(3));
- if (!SizeCI)
- return 0;
- if (SizeCI->isAllOnesValue()) {
- Value *Ret = EmitStpCpy(CI->getOperand(1), CI->getOperand(2), B, TD);
+ Value *Ret = EmitStrCpy(CI->getOperand(1), CI->getOperand(2), B, TD,
+ Name.substr(2, 6));
CI->replaceAllUsesWith(Ret);
CI->eraseFromParent();
return true;