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//===-- MipsMachineFunctionInfo.h - Private data used for Mips ----*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Bruno Cardoso Lopes and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the Mips specific subclass of MachineFunctionInfo.
//
//===----------------------------------------------------------------------===//
#ifndef MIPS_MACHINE_FUNCTION_INFO_H
#define MIPS_MACHINE_FUNCTION_INFO_H
#include "llvm/CodeGen/MachineFunction.h"
namespace llvm {
/// MipsFunctionInfo - This class is derived from MachineFunction private
/// Mips target-specific information for each MachineFunction.
class MipsFunctionInfo : public MachineFunctionInfo {
private:
/// Holds for each function where on the stack
/// the Frame Pointer must be saved
int FPStackOffset;
/// Holds for each function where on the stack
/// the Return Address must be saved
int RAStackOffset;
public:
MipsFunctionInfo(MachineFunction& MF)
: FPStackOffset(0), RAStackOffset(0)
{}
int getFPStackOffset() const { return FPStackOffset; }
void setFPStackOffset(int Off) { FPStackOffset = Off; }
int getRAStackOffset() const { return RAStackOffset; }
void setRAStackOffset(int Off) { RAStackOffset = Off; }
int getTopSavedRegOffset() const {
return (RAStackOffset > FPStackOffset) ?
(RAStackOffset) : (FPStackOffset);
}
};
} // end of namespace llvm
#endif
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