1//===-- ARMInstrInfo.h - ARM Instruction Information ------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains the ARM implementation of the TargetInstrInfo class. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef ARMINSTRUCTIONINFO_H 15#define ARMINSTRUCTIONINFO_H 16 17#include "ARM.h" 18#include "ARMBaseInstrInfo.h" 19#include "ARMRegisterInfo.h" 20#include "ARMSubtarget.h" 21 22namespace llvm { 23 class ARMSubtarget; 24 25class ARMInstrInfo : public ARMBaseInstrInfo { 26 ARMRegisterInfo RI; 27public: 28 explicit ARMInstrInfo(const ARMSubtarget &STI); 29 30 /// getNoopForMachoTarget - Return the noop instruction to use for a noop. 31 void getNoopForMachoTarget(MCInst &NopInst) const; 32 33 // Return the non-pre/post incrementing version of 'Opc'. Return 0 34 // if there is not such an opcode. 35 unsigned getUnindexedOpcode(unsigned Opc) const; 36 37 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As 38 /// such, whenever a client has an instance of instruction info, it should 39 /// always be able to get register info as well (through this method). 40 /// 41 const ARMRegisterInfo &getRegisterInfo() const { return RI; } 42}; 43 44} 45 46#endif 47