llvm/llvm/lib/Target/Mips/Mips16FrameLowering.cpp

//===- Mips16FrameLowering.cpp - Mips16 Frame Information -----------------===//
//
// 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 file contains the Mips16 implementation of TargetFrameLowering class.
//
//===----------------------------------------------------------------------===//

#include "Mips16FrameLowering.h"
#include "MCTargetDesc/MipsBaseInfo.h"
#include "Mips16InstrInfo.h"
#include "MipsInstrInfo.h"
#include "MipsRegisterInfo.h"
#include "MipsSubtarget.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include <cstdint>
#include <vector>

usingnamespacellvm;

Mips16FrameLowering::Mips16FrameLowering(const MipsSubtarget &STI)
    : … { … }

void Mips16FrameLowering::emitPrologue(MachineFunction &MF,
                                       MachineBasicBlock &MBB) const { … }

void Mips16FrameLowering::emitEpilogue(MachineFunction &MF,
                                 MachineBasicBlock &MBB) const { … }

bool Mips16FrameLowering::spillCalleeSavedRegisters(
    MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
    ArrayRef<CalleeSavedInfo> CSI, const TargetRegisterInfo *TRI) const { … }

bool Mips16FrameLowering::restoreCalleeSavedRegisters(
    MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
    MutableArrayRef<CalleeSavedInfo> CSI, const TargetRegisterInfo *TRI) const { … }

bool
Mips16FrameLowering::hasReservedCallFrame(const MachineFunction &MF) const { … }

void Mips16FrameLowering::determineCalleeSaves(MachineFunction &MF,
                                               BitVector &SavedRegs,
                                               RegScavenger *RS) const { … }

const MipsFrameLowering *
llvm::createMips16FrameLowering(const MipsSubtarget &ST) { … }