llvm/llvm/lib/Target/AMDGPU/AMDGPUAnnotateUniformValues.cpp

//===-- AMDGPUAnnotateUniformValues.cpp - ---------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
/// \file
/// This pass adds amdgpu.uniform metadata to IR values so this information
/// can be used during instruction selection.
//
//===----------------------------------------------------------------------===//

#include "AMDGPU.h"
#include "AMDGPUMemoryUtils.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/MemorySSA.h"
#include "llvm/Analysis/UniformityAnalysis.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/InitializePasses.h"

#define DEBUG_TYPE …

usingnamespacellvm;

namespace {

class AMDGPUAnnotateUniformValues
    : public InstVisitor<AMDGPUAnnotateUniformValues> { … };

} // End anonymous namespace

void AMDGPUAnnotateUniformValues::visitBranchInst(BranchInst &I) { … }

void AMDGPUAnnotateUniformValues::visitLoadInst(LoadInst &I) { … }

PreservedAnalyses
AMDGPUAnnotateUniformValuesPass::run(Function &F,
                                     FunctionAnalysisManager &FAM) { … }

class AMDGPUAnnotateUniformValuesLegacy : public FunctionPass { … };

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

INITIALIZE_PASS_BEGIN(AMDGPUAnnotateUniformValuesLegacy, DEBUG_TYPE,
                      "Add AMDGPU uniform metadata", false, false)
INITIALIZE_PASS_DEPENDENCY(UniformityInfoWrapperPass)
INITIALIZE_PASS_DEPENDENCY(MemorySSAWrapperPass)
INITIALIZE_PASS_DEPENDENCY(AAResultsWrapperPass)
INITIALIZE_PASS_END(AMDGPUAnnotateUniformValuesLegacy, DEBUG_TYPE,
                    "Add AMDGPU uniform metadata", false, false)

char AMDGPUAnnotateUniformValuesLegacy::ID = …;

FunctionPass *llvm::createAMDGPUAnnotateUniformValuesLegacy() { … }