llvm-6502/lib/Target/Mips/MipsSERegisterInfo.h
Akira Hatanaka 71746220d3 Implement MipsSERegisterInfo::eliminateCallFramePseudoInstr. The function emits
instructions that decrement and increment the stack pointer before and after a
call when the function does not have a reserved call frame.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-31 23:52:55 +00:00

40 lines
1.2 KiB
C++

//===-- MipsSERegisterInfo.h - Mips32/64 Register Information ---*- 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 Mips32/64 implementation of the TargetRegisterInfo
// class.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSSEREGISTERINFO_H
#define MIPSSEREGISTERINFO_H
#include "MipsRegisterInfo.h"
namespace llvm {
class MipsSERegisterInfo : public MipsRegisterInfo {
public:
MipsSERegisterInfo(const MipsSubtarget &Subtarget,
const TargetInstrInfo &TII);
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
private:
virtual void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
int FrameIndex, uint64_t StackSize,
int64_t SPOffset) const;
};
} // end namespace llvm
#endif