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//===- 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 {
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; }
/// createNOPinstr - returns the target's implementation of NOP, which is
/// usually a pseudo-instruction, implemented by a degenerate version of
/// another instruction.
///
MachineInstr* createNOPinstr() const;
/// isNOPinstr - not having a special NOP opcode, we need to know if a given
/// instruction is interpreted as an `official' NOP instr, i.e., there may be
/// more than one way to `do nothing' but only one canonical way to slack off.
///
bool isNOPinstr(const MachineInstr &MI) const;
};
}
#endif
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