make the trivial forms of CreateCoerced{Load|Store} trivial.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index ec865e5..9719dfa 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -421,6 +421,11 @@
CodeGenFunction &CGF) {
const llvm::Type *SrcTy =
cast<llvm::PointerType>(SrcPtr->getType())->getElementType();
+
+ // If SrcTy and Ty are the same, just do a load.
+ if (SrcTy == Ty)
+ return CGF.Builder.CreateLoad(SrcPtr);
+
uint64_t DstSize = CGF.CGM.getTargetData().getTypeAllocSize(Ty);
if (const llvm::StructType *SrcSTy = dyn_cast<llvm::StructType>(SrcTy)) {
@@ -476,11 +481,15 @@
bool DstIsVolatile,
CodeGenFunction &CGF) {
const llvm::Type *SrcTy = Src->getType();
- uint64_t SrcSize = CGF.CGM.getTargetData().getTypeAllocSize(SrcTy);
-
const llvm::Type *DstTy =
cast<llvm::PointerType>(DstPtr->getType())->getElementType();
-
+ if (SrcTy == DstTy) {
+ CGF.Builder.CreateStore(Src, DstPtr, DstIsVolatile);
+ return;
+ }
+
+ uint64_t SrcSize = CGF.CGM.getTargetData().getTypeAllocSize(SrcTy);
+
if (const llvm::StructType *DstSTy = dyn_cast<llvm::StructType>(DstTy)) {
DstPtr = EnterStructPointerForCoercedAccess(DstPtr, DstSTy, SrcSize, CGF);
DstTy = cast<llvm::PointerType>(DstPtr->getType())->getElementType();