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//===- SPIRVTargetTransformInfo.cpp - SPIR-V specific TTI -------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "SPIRVTargetTransformInfo.h"
#include "llvm/IR/IntrinsicsSPIRV.h"
using namespace llvm;
bool llvm::SPIRVTTIImpl::collectFlatAddressOperands(
SmallVectorImpl<int> &OpIndexes, Intrinsic::ID IID) const {
switch (IID) {
case Intrinsic::spv_generic_cast_to_ptr_explicit:
OpIndexes.push_back(0);
return true;
default:
return false;
}
}
Value *llvm::SPIRVTTIImpl::rewriteIntrinsicWithAddressSpace(IntrinsicInst *II,
Value *OldV,
Value *NewV) const {
auto IntrID = II->getIntrinsicID();
switch (IntrID) {
case Intrinsic::spv_generic_cast_to_ptr_explicit: {
unsigned NewAS = NewV->getType()->getPointerAddressSpace();
unsigned DstAS = II->getType()->getPointerAddressSpace();
return NewAS == DstAS ? NewV
: ConstantPointerNull::get(
PointerType::get(NewV->getContext(), DstAS));
}
default:
return nullptr;
}
}
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