llvm/llvm/lib/CodeGen/GlobalISel/Localizer.cpp

//===- Localizer.cpp ---------------------- Localize some instrs -*- 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
//
//===----------------------------------------------------------------------===//
/// \file
/// This file implements the Localizer class.
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/GlobalISel/Localizer.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
#include "llvm/CodeGen/GlobalISel/Utils.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Debug.h"

#define DEBUG_TYPE …

usingnamespacellvm;

char Localizer::ID = …;
INITIALIZE_PASS_BEGIN(Localizer, DEBUG_TYPE,
                      "Move/duplicate certain instructions close to their use",
                      false, false)
INITIALIZE_PASS_DEPENDENCY(TargetTransformInfoWrapperPass)
INITIALIZE_PASS_END(Localizer, DEBUG_TYPE,
                    "Move/duplicate certain instructions close to their use",
                    false, false)

Localizer::Localizer(std::function<bool(const MachineFunction &)> F)
    : … { … }

Localizer::Localizer()
    : … { … }

void Localizer::init(MachineFunction &MF) { … }

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

bool Localizer::isLocalUse(MachineOperand &MOUse, const MachineInstr &Def,
                           MachineBasicBlock *&InsertMBB) { … }

unsigned Localizer::getNumPhiUses(MachineOperand &Op) const { … }

bool Localizer::localizeInterBlock(MachineFunction &MF,
                                   LocalizedSetVecT &LocalizedInstrs) { … }

bool Localizer::localizeIntraBlock(LocalizedSetVecT &LocalizedInstrs) { … }

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