llvm-6502/lib/Target/ARM/Thumb1FrameLowering.h
2014-05-31 21:26:09 +00:00

56 lines
1.9 KiB
C++

//===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ARM_THUMB1FRAMELOWERING_H
#define LLVM_ARM_THUMB1FRAMELOWERING_H
#include "ARMFrameLowering.h"
#include "ARMSubtarget.h"
#include "Thumb1InstrInfo.h"
#include "Thumb1RegisterInfo.h"
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
class Thumb1FrameLowering : public ARMFrameLowering {
public:
explicit Thumb1FrameLowering(const ARMSubtarget &sti)
: ARMFrameLowering(sti) {
}
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const override;
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const override;
bool hasReservedCallFrame(const MachineFunction &MF) const override;
void
eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI) const override;
};
} // End llvm namespace
#endif