llvm-6502/lib/Target/Mips/MipsRegisterInfo.h
Bruno Cardoso Lopes 972f5896e4 Initial Mips support, here we go! =)
- Modifications from the last patch included
  (issues pointed by Evan Cheng are now fixed).
- Added more MipsI instructions.
- Added more patterns to match branch instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37461 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-06 07:42:06 +00:00

84 lines
2.8 KiB
C++

//===- MipsRegisterInfo.h - Mips Register Information Impl ------*- 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 contains the Mips implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSREGISTERINFO_H
#define MIPSREGISTERINFO_H
#include "llvm/Target/MRegisterInfo.h"
#include "MipsGenRegisterInfo.h.inc"
namespace llvm {
class TargetInstrInfo;
class Type;
struct MipsRegisterInfo : public MipsGenRegisterInfo {
const TargetInstrInfo &TII;
MipsRegisterInfo(const TargetInstrInfo &tii);
/// Code Generation virtual methods...
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, int FrameIndex,
const TargetRegisterClass *RC) const;
void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const;
void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
unsigned DestReg, const MachineInstr *Orig) const;
MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum,
int FrameIndex) const;
void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const;
const unsigned *getCalleeSavedRegs() const;
const TargetRegisterClass* const* getCalleeSavedRegClasses() 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;
};
} // end namespace llvm
#endif