lib/Target/IA64/IA64InstrInfo.h

   1 //===- IA64InstrInfo.h - IA64 Instruction Information ----------*- C++ -*- ===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file was developed by Duraid Madina and is distributed under the
   6 // University of Illinois Open Source License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the IA64 implementation of the TargetInstrInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef IA64INSTRUCTIONINFO_H
  15 #define IA64INSTRUCTIONINFO_H
  16
  17 #include "llvm/Target/TargetInstrInfo.h"
  18 #include "IA64RegisterInfo.h"
  19
  20 namespace llvm {
  21
  22 /// IA64II - This namespace holds all of the target specific flags that
  23 /// instruction info tracks.
  24 /// FIXME: now gone!
  25
  26   class IA64InstrInfo : public TargetInstrInfo {
  27   const IA64RegisterInfo RI;
  28 public:
  29   IA64InstrInfo();
  30
  31   /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
  32   /// such, whenever a client has an instance of instruction info, it should
  33   /// always be able to get register info as well (through this method).
  34   ///
  35   virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
  36
  37   //
  38   // Return true if the instruction is a register to register move and
  39   // leave the source and dest operands in the passed parameters.
  40   //
  41   virtual bool isMoveInstr(const MachineInstr& MI,
  42                            unsigned& sourceReg,
  43                            unsigned& destReg) const;
  44
  45 };
  46
  47 } // End llvm namespace
  48
  49 #endif
  50