|  | //===- AlphaInstrInfo.h - Alpha 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 Alpha implementation of the TargetInstrInfo class. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef ALPHAINSTRUCTIONINFO_H | 
|  | #define ALPHAINSTRUCTIONINFO_H | 
|  |  | 
|  | #include "llvm/Target/TargetInstrInfo.h" | 
|  | #include "AlphaRegisterInfo.h" | 
|  |  | 
|  | namespace llvm { | 
|  |  | 
|  | class AlphaInstrInfo : public TargetInstrInfo { | 
|  | const AlphaRegisterInfo RI; | 
|  | public: | 
|  | AlphaInstrInfo(); | 
|  |  | 
|  | /// 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 |