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//===- AlphaRegisterInfo.h - Alpha 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 Alpha implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef ALPHAREGISTERINFO_H
#define ALPHAREGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#include "AlphaGenRegisterInfo.h.inc"
namespace llvm {
class TargetInstrInfo;
class Type;
struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
const TargetInstrInfo &TII;
AlphaRegisterInfo(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 I) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) 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;
// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
int getDwarfRegNum(unsigned RegNum, bool isEH) const;
static std::string getPrettyName(unsigned reg);
};
} // end namespace llvm
#endif
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