llvm-6502/lib/Target/Sparc/SparcRegisterInfo.h
2006-05-18 00:12:58 +00:00

72 lines
2.4 KiB
C++

//===- SparcRegisterInfo.h - Sparc Register Information Impl ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the Sparc implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef SPARCREGISTERINFO_H
#define SPARCREGISTERINFO_H
#include "llvm/Target/MRegisterInfo.h"
#include "SparcGenRegisterInfo.h.inc"
namespace llvm {
class SparcSubtarget;
class Type;
struct SparcRegisterInfo : public SparcGenRegisterInfo {
SparcSubtarget &Subtarget;
SparcRegisterInfo(SparcSubtarget &st);
/// 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