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//===-- Nios2MachineFunctionInfo.h - Private data used for Nios2 --*- 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 the Nios2 specific subclass of MachineFunctionInfo.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_NIOS2_NIOS2MACHINEFUNCTION_H
#define LLVM_LIB_TARGET_NIOS2_NIOS2MACHINEFUNCTION_H
#include "llvm/CodeGen/MachineFunction.h"
namespace llvm {
/// Nios2FunctionInfo - This class is derived from MachineFunction private
/// Nios2 target-specific information for each MachineFunction.
class Nios2FunctionInfo : public MachineFunctionInfo {
virtual void anchor();
private:
unsigned GlobalBaseReg;
/// VarArgsFrameOffset - Frame offset to start of varargs area.
int VarArgsFrameOffset;
/// SRetReturnReg - Holds the virtual register into which the sret
/// argument is passed.
unsigned SRetReturnReg;
/// IsLeafProc - True if the function is a leaf procedure.
bool IsLeafProc;
public:
Nios2FunctionInfo()
: GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0),
IsLeafProc(false) {}
explicit Nios2FunctionInfo(MachineFunction &MF)
: GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0),
IsLeafProc(false) {}
unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
int getVarArgsFrameOffset() const { return VarArgsFrameOffset; }
void setVarArgsFrameOffset(int Offset) { VarArgsFrameOffset = Offset; }
unsigned getSRetReturnReg() const { return SRetReturnReg; }
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
void setLeafProc(bool rhs) { IsLeafProc = rhs; }
bool isLeafProc() const { return IsLeafProc; }
};
} // end of namespace llvm
#endif // NIOS2_MACHINE_FUNCTION_INFO_H
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