llvm-6502/lib/Target/Mips/MipsRegisterInfo.h
Evan Cheng 73f50d9bc3 Merge XXXGenRegisterDesc.inc XXXGenRegisterNames.inc XXXGenRegisterInfo.h.inc
into XXXGenRegisterInfo.inc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133922 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-27 18:32:37 +00:00

74 lines
2.3 KiB
C++

//===- MipsRegisterInfo.h - Mips Register Information Impl ------*- 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 Mips implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSREGISTERINFO_H
#define MIPSREGISTERINFO_H
#include "Mips.h"
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "MipsGenRegisterInfo.inc"
namespace llvm {
class MipsSubtarget;
class TargetInstrInfo;
class Type;
struct MipsRegisterInfo : public MipsGenRegisterInfo {
const MipsSubtarget &Subtarget;
const TargetInstrInfo &TII;
MipsRegisterInfo(const MipsSubtarget &Subtarget, const TargetInstrInfo &tii);
/// getRegisterNumbering - Given the enum value for some register, e.g.
/// Mips::RA, return the number that it corresponds to (e.g. 31).
static unsigned getRegisterNumbering(unsigned RegEnum);
/// Get PIC indirect call register
static unsigned getPICCallReg();
/// Adjust the Mips stack frame.
void adjustMipsStackFrame(MachineFunction &MF) const;
/// Code Generation virtual methods...
const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
/// Stack Frame Processing Methods
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
/// Debug information queries.
unsigned getRARegister() const;
unsigned getFrameRegister(const MachineFunction &MF) const;
/// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
int getDwarfRegNum(unsigned RegNum, bool isEH) const;
int getLLVMRegNum(unsigned RegNum, bool isEH) const;
};
} // end namespace llvm
#endif