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//==- SystemZMachineFuctionInfo.h - SystemZ machine function info -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares SystemZ-specific per-machine-function information.
//
//===----------------------------------------------------------------------===//
#ifndef SYSTEMZMACHINEFUNCTIONINFO_H
#define SYSTEMZMACHINEFUNCTIONINFO_H
#include "llvm/CodeGen/MachineFunction.h"
namespace llvm {
/// SystemZMachineFunctionInfo - This class is derived from MachineFunction and
/// contains private SystemZ target-specific information for each MachineFunction.
class SystemZMachineFunctionInfo : public MachineFunctionInfo {
/// CalleeSavedFrameSize - Size of the callee-saved register portion of the
/// stack frame in bytes.
unsigned CalleeSavedFrameSize;
/// LowReg - Low register of range of callee-saved registers to store.
unsigned LowReg;
/// HighReg - High register of range of callee-saved registers to store.
unsigned HighReg;
public:
SystemZMachineFunctionInfo() : CalleeSavedFrameSize(0) {}
SystemZMachineFunctionInfo(MachineFunction &MF) : CalleeSavedFrameSize(0) {}
unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
void setCalleeSavedFrameSize(unsigned bytes) { CalleeSavedFrameSize = bytes; }
unsigned getLowReg() const { return LowReg; }
void setLowReg(unsigned Reg) { LowReg = Reg; }
unsigned getHighReg() const { return HighReg; }
void setHighReg(unsigned Reg) { HighReg = Reg; }
};
} // End llvm namespace
#endif
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