llvm/llvm/include/llvm/CodeGen/LiveRangeEdit.h

//===- LiveRangeEdit.h - Basic tools for split and spill --------*- 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
//
//===----------------------------------------------------------------------===//
//
// The LiveRangeEdit class represents changes done to a virtual register when it
// is spilled or split.
//
// The parent register is never changed. Instead, a number of new virtual
// registers are created and added to the newRegs vector.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_LIVERANGEEDIT_H
#define LLVM_CODEGEN_LIVERANGEEDIT_H

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/LiveInterval.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include <cassert>

namespace llvm {

class LiveIntervals;
class MachineInstr;
class MachineOperand;
class TargetInstrInfo;
class TargetRegisterInfo;
class VirtRegMap;
class VirtRegAuxInfo;

class LiveRangeEdit : private MachineRegisterInfo::Delegate { … };

} // end namespace llvm

#endif // LLVM_CODEGEN_LIVERANGEEDIT_H