An sret parameter is required to be the first parameter, so there's no need to loop
over all the parameters of the callee looking for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47309 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index f34ae69..4de0f3d 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1089,15 +1089,10 @@
// If all checks passed, then we can perform the transformation
CallSite CS = CallSite::get(C);
- for (unsigned i = 0; i < CS.arg_size(); ++i) {
- if (CS.paramHasAttr(i+1, ParamAttr::StructRet)) {
- if (CS.getArgument(i)->getType() != cpyDest->getType())
- return false;
+ if (CS.getArgument(0)->getType() != cpyDest->getType())
+ return false;
- CS.setArgument(i, cpyDest);
- break;
- }
- }
+ CS.setArgument(0, cpyDest);
MemoryDependenceAnalysis& MD = getAnalysis<MemoryDependenceAnalysis>();
MD.dropInstruction(C);