llvm-6502/lib/Target/X86/X86RegisterInfo.h
2002-12-15 20:06:35 +00:00

62 lines
1.9 KiB
C++

//===- X86RegisterInfo.h - X86 Register Information Impl ----------*-C++-*-===//
//
// This file contains the X86 implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef X86REGISTERINFO_H
#define X86REGISTERINFO_H
#include "llvm/Target/MRegisterInfo.h"
class Type;
struct X86RegisterInfo : public MRegisterInfo {
X86RegisterInfo();
MRegisterInfo::const_iterator regclass_begin() const;
MRegisterInfo::const_iterator regclass_end() const;
MachineBasicBlock::iterator
storeReg2RegOffset(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned SrcReg,
unsigned ImmOffset, unsigned dataSize) const;
MachineBasicBlock::iterator
loadRegOffset2Reg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned SrcReg,
unsigned ImmOffset, unsigned dataSize) const;
MachineBasicBlock::iterator
moveReg2Reg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned SrcReg, unsigned dataSize) const;
MachineBasicBlock::iterator
moveImm2Reg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, unsigned Imm, unsigned dataSize) const;
unsigned getFramePointer() const;
unsigned getStackPointer() const;
const unsigned* getCalleeSaveRegs() const;
const unsigned* getCallerSaveRegs() const;
void emitPrologue(MachineFunction &MF, unsigned numBytes) const;
void emitEpilogue(MachineBasicBlock &MBB, unsigned numBytes) const;
/// Returns register class appropriate for input SSA register
///
const TargetRegisterClass *getClassForReg(unsigned Reg) const;
const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
unsigned getNumRegClasses() const;
};
#endif