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//===- MipsSEFrameLowering.h - Mips32/64 frame lowering ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
#define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
#include "MipsFrameLowering.h"
#include <vector>
namespace llvm {
class MachineBasicBlock;
class MachineFunction;
class MipsSubtarget;
class MipsSEFrameLowering : public MipsFrameLowering {
public:
explicit MipsSEFrameLowering(const MipsSubtarget &STI);
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const override;
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const override;
bool hasReservedCallFrame(const MachineFunction &MF) const override;
void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
RegScavenger *RS) const override;
unsigned ehDataReg(unsigned I) const;
private:
void emitInterruptEpilogueStub(MachineFunction &MF,
MachineBasicBlock &MBB) const;
void emitInterruptPrologueStub(MachineFunction &MF,
MachineBasicBlock &MBB) const;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
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