llvm/llvm/lib/Target/NVPTX/NVPTXImageOptimizer.cpp

//===-- NVPTXImageOptimizer.cpp - Image optimization pass -----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This pass implements IR-level optimizations of image access code,
// including:
//
// 1. Eliminate istypep intrinsics when image access qualifier is known
//
//===----------------------------------------------------------------------===//

#include "NVPTX.h"
#include "NVPTXUtilities.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"

usingnamespacellvm;

namespace {
class NVPTXImageOptimizer : public FunctionPass { … };
}

char NVPTXImageOptimizer::ID = …;

NVPTXImageOptimizer::NVPTXImageOptimizer()
  : … { … }

bool NVPTXImageOptimizer::runOnFunction(Function &F) { … }

bool NVPTXImageOptimizer::replaceIsTypePSampler(Instruction &I) { … }

bool NVPTXImageOptimizer::replaceIsTypePSurface(Instruction &I) { … }

bool NVPTXImageOptimizer::replaceIsTypePTexture(Instruction &I) { … }

void NVPTXImageOptimizer::replaceWith(Instruction *From, ConstantInt *To) { … }

Value *NVPTXImageOptimizer::cleanupValue(Value *V) { … }

FunctionPass *llvm::createNVPTXImageOptimizerPass() { … }