llvm/llvm/lib/CodeGen/MIRVRegNamerUtils.cpp

//===---------- MIRVRegNamerUtils.cpp - MIR VReg Renaming Utilities -------===//
//
// 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 "MIRVRegNamerUtils.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MachineStableHash.h"
#include "llvm/IR/Constants.h"

usingnamespacellvm;

#define DEBUG_TYPE …

static cl::opt<bool>
    UseStableNamerHash("mir-vreg-namer-use-stable-hash", cl::init(false),
                       cl::Hidden,
                       cl::desc("Use Stable Hashing for MIR VReg Renaming"));

VRegRenameMap;

bool VRegRenamer::doVRegRenaming(const VRegRenameMap &VRM) { … }

VRegRenameMap
VRegRenamer::getVRegRenameMap(const std::vector<NamedVReg> &VRegs) { … }

std::string VRegRenamer::getInstructionOpcodeHash(MachineInstr &MI) { … }

unsigned VRegRenamer::createVirtualRegister(unsigned VReg) { … }

bool VRegRenamer::renameInstsInMBB(MachineBasicBlock *MBB) { … }

unsigned VRegRenamer::createVirtualRegisterWithLowerName(unsigned VReg,
                                                         StringRef Name) { … }