llvm-6502/lib/Target/SparcV8/SparcV8InstrInfo.h
2004-07-25 06:19:04 +00:00

55 lines
1.6 KiB
C++

//===- SparcV8InstrInfo.h - SparcV8 Instruction Information -----*- 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 SparcV8 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef SPARCV8INSTRUCTIONINFO_H
#define SPARCV8INSTRUCTIONINFO_H
#include "llvm/Target/TargetInstrInfo.h"
#include "SparcV8RegisterInfo.h"
namespace llvm {
/// V8II - This namespace holds all of the target specific flags that
/// instruction info tracks.
///
namespace V8II {
enum {
Pseudo = (1<<0),
Load = (1<<1),
Store = (1<<2),
DelaySlot = (1<<3)
};
};
class SparcV8InstrInfo : public TargetInstrInfo {
const SparcV8RegisterInfo RI;
public:
SparcV8InstrInfo();
/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
/// such, whenever a client has an instance of instruction info, it should
/// always be able to get register info as well (through this method).
///
virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
/// Return true if the instruction is a register to register move and
/// leave the source and dest operands in the passed parameters.
///
virtual bool isMoveInstr(const MachineInstr &MI,
unsigned &SrcReg, unsigned &DstReg) const;
};
}
#endif