llvm/llvm/lib/CodeGen/FinalizeISel.cpp

//===-- llvm/CodeGen/FinalizeISel.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
//
//===----------------------------------------------------------------------===//
//
/// This pass expands Pseudo-instructions produced by ISel, fixes register
/// reservations and may do machine frame information adjustments.
/// The pseudo instructions are used to allow the expansion to contain control
/// flow, such as a conditional move implemented with a conditional branch and a
/// phi, or an atomic operation implemented with a loop.
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/FinalizeISel.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/InitializePasses.h"
usingnamespacellvm;

#define DEBUG_TYPE …

namespace {
  class FinalizeISel : public MachineFunctionPass { … };
} // end anonymous namespace

static std::pair<bool, bool> runImpl(MachineFunction &MF) { … }

char FinalizeISel::ID = …;
char &llvm::FinalizeISelID = …;
INITIALIZE_PASS(…)

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

PreservedAnalyses FinalizeISelPass::run(MachineFunction &MF,
                                        MachineFunctionAnalysisManager &) { … }