llvm-6502/lib/Target/IA64/IA64RegisterInfo.h
2008-03-31 20:40:39 +00:00

64 lines
1.9 KiB
C++

//===- IA64RegisterInfo.h - IA64 Register Information Impl ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the IA64 implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef IA64REGISTERINFO_H
#define IA64REGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#include "IA64GenRegisterInfo.h.inc"
namespace llvm {
class TargetInstrInfo;
struct IA64RegisterInfo : public IA64GenRegisterInfo {
const TargetInstrInfo &TII;
IA64RegisterInfo(const TargetInstrInfo &tii);
/// Code Generation virtual methods...
const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
const TargetRegisterClass* const* getCalleeSavedRegClasses(
const MachineFunction *MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
bool hasFP(const MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI) const;
void eliminateFrameIndex(MachineBasicBlock::iterator MI,
int SPAdj, RegScavenger *RS = NULL) const;
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
// Debug information queries.
unsigned getRARegister() const;
unsigned getFrameRegister(MachineFunction &MF) const;
// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
int getDwarfRegNum(unsigned RegNum, bool isEH) const;
};
} // End llvm namespace
#endif