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//===- ARMRegisterInfo.h - ARM Register Information Impl --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the "Instituto Nokia de Tecnologia" and
// is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the ARM implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef ARMREGISTERINFO_H
#define ARMREGISTERINFO_H
#include "llvm/Target/MRegisterInfo.h"
#include "ARMGenRegisterInfo.h.inc"
namespace llvm {
class Type;
class TargetInstrInfo;
struct ARMRegisterInfo : public ARMGenRegisterInfo {
const TargetInstrInfo &TII;
ARMRegisterInfo(const TargetInstrInfo &tii);
/// Code Generation virtual methods...
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, int FrameIndex,
const TargetRegisterClass *RC) const;
void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const;
void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const;
virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
unsigned OpNum,
int FrameIndex) const;
const unsigned *getCalleeSaveRegs() const;
const TargetRegisterClass* const* getCalleeSaveRegClasses() const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
// Debug information queries.
unsigned getRARegister() const;
unsigned getFrameRegister(MachineFunction &MF) const;
};
} // end namespace llvm
#endif
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