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 22 namespace llvm { 23 class ARMSubtarget; 24 25 class ARMInstrInfo : public ARMBaseInstrInfo { 26 ARMRegisterInfo RI; 27 public: 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
