llvm-6502/lib/Target/X86/X86RegisterInfo.h
2003-11-11 22:41:34 +00:00

60 lines
2.0 KiB
C++

//===- X86RegisterInfo.h - X86 Register Information Impl --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the X86 implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef X86REGISTERINFO_H
#define X86REGISTERINFO_H
#include "llvm/Target/MRegisterInfo.h"
class llvm::Type;
#include "X86GenRegisterInfo.h.inc"
namespace llvm {
struct X86RegisterInfo : public X86GenRegisterInfo {
X86RegisterInfo();
const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
/// Code Generation virtual methods...
int storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator &MBBI,
unsigned SrcReg, int FrameIndex,
const TargetRegisterClass *RC) const;
int loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator &MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const;
int copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *RC) const;
int eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator &I) const;
int eliminateFrameIndex(MachineFunction &MF,
MachineBasicBlock::iterator &II) const;
int processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
int emitPrologue(MachineFunction &MF) const;
int emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
};
} // End llvm namespace
#endif