static void HandleByValArgumentInit(Value *Dst, Value *Src, Module *M,
BasicBlock *InsertBlock,
InlineFunctionInfo &IFI) {
- LLVMContext &Context = Src->getContext();
- Type *VoidPtrTy = Type::getInt8PtrTy(Context);
Type *AggTy = cast<PointerType>(Src->getType())->getElementType();
- Type *Tys[3] = { VoidPtrTy, VoidPtrTy, Type::getInt64Ty(Context) };
- Function *MemCpyFn = Intrinsic::getDeclaration(M, Intrinsic::memcpy, Tys);
- IRBuilder<> builder(InsertBlock->begin());
- Value *DstCast = builder.CreateBitCast(Dst, VoidPtrTy, "tmp");
- Value *SrcCast = builder.CreateBitCast(Src, VoidPtrTy, "tmp");
+ IRBuilder<> Builder(InsertBlock->begin());
Value *Size;
if (IFI.DL == nullptr)
Size = ConstantExpr::getSizeOf(AggTy);
else
- Size = ConstantInt::get(Type::getInt64Ty(Context),
- IFI.DL->getTypeStoreSize(AggTy));
+ Size = Builder.getInt64(IFI.DL->getTypeStoreSize(AggTy));
// Always generate a memcpy of alignment 1 here because we don't know
// the alignment of the src pointer. Other optimizations can infer
// better alignment.
- Value *CallArgs[] = {
- DstCast, SrcCast, Size,
- ConstantInt::get(Type::getInt32Ty(Context), 1),
- ConstantInt::getFalse(Context) // isVolatile
- };
- builder.CreateCall(MemCpyFn, CallArgs);
+ Builder.CreateMemCpy(Dst, Src, Size, /*Align=*/1);
}
/// HandleByValArgument - When inlining a call site that has a byval argument,