llvm/llvm/lib/Target/AMDGPU/AMDGPURegBankSelect.cpp

//===- AMDGPURegBankSelect.cpp -----------------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Use MachineUniformityAnalysis as the primary basis for making SGPR vs. VGPR
// register bank selection. Use/def analysis as in the default RegBankSelect can
// be useful in narrower circumstances (e.g. choosing AGPR vs. VGPR for gfx908).
//
//===----------------------------------------------------------------------===//

#include "AMDGPURegBankSelect.h"
#include "AMDGPU.h"
#include "GCNSubtarget.h"
#include "llvm/CodeGen/MachineUniformityAnalysis.h"
#include "llvm/InitializePasses.h"

#define DEBUG_TYPE …

usingnamespacellvm;

AMDGPURegBankSelect::AMDGPURegBankSelect(Mode RunningMode)
    : … { … }

char AMDGPURegBankSelect::ID = …;

StringRef AMDGPURegBankSelect::getPassName() const { … }

void AMDGPURegBankSelect::getAnalysisUsage(AnalysisUsage &AU) const { … }

INITIALIZE_PASS_BEGIN(AMDGPURegBankSelect, "amdgpu-" DEBUG_TYPE,
                      "AMDGPU Register Bank Select", false, false)
INITIALIZE_PASS_DEPENDENCY(MachineCycleInfoWrapperPass)
INITIALIZE_PASS_DEPENDENCY(MachineDominatorTreeWrapperPass)
INITIALIZE_PASS_END(AMDGPURegBankSelect, "amdgpu-" DEBUG_TYPE,
                    "AMDGPU Register Bank Select", false, false)

bool AMDGPURegBankSelect::runOnMachineFunction(MachineFunction &MF) { … }