1 //===-- Thumb1InstrInfo.h - Thumb-1 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 Thumb-1 implementation of the TargetInstrInfo class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef THUMB1INSTRUCTIONINFO_H 15 #define THUMB1INSTRUCTIONINFO_H 16 17 #include "ARM.h" 18 #include "ARMBaseInstrInfo.h" 19 #include "Thumb1RegisterInfo.h" 20 21 namespace llvm { 22 class ARMSubtarget; 23 24 class Thumb1InstrInfo : public ARMBaseInstrInfo { 25 Thumb1RegisterInfo RI; 26 public: 27 explicit Thumb1InstrInfo(const ARMSubtarget &STI); 28 29 /// getNoopForMachoTarget - Return the noop instruction to use for a noop. 30 void getNoopForMachoTarget(MCInst &NopInst) const; 31 32 // Return the non-pre/post incrementing version of 'Opc'. Return 0 33 // if there is not such an opcode. 34 unsigned getUnindexedOpcode(unsigned Opc) const; 35 36 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As 37 /// such, whenever a client has an instance of instruction info, it should 38 /// always be able to get register info as well (through this method). 39 /// getRegisterInfo()40 const Thumb1RegisterInfo &getRegisterInfo() const { return RI; } 41 42 void copyPhysReg(MachineBasicBlock &MBB, 43 MachineBasicBlock::iterator I, DebugLoc DL, 44 unsigned DestReg, unsigned SrcReg, 45 bool KillSrc) const; 46 void storeRegToStackSlot(MachineBasicBlock &MBB, 47 MachineBasicBlock::iterator MBBI, 48 unsigned SrcReg, bool isKill, int FrameIndex, 49 const TargetRegisterClass *RC, 50 const TargetRegisterInfo *TRI) const; 51 52 void loadRegFromStackSlot(MachineBasicBlock &MBB, 53 MachineBasicBlock::iterator MBBI, 54 unsigned DestReg, int FrameIndex, 55 const TargetRegisterClass *RC, 56 const TargetRegisterInfo *TRI) const; 57 58 }; 59 } 60 61 #endif // THUMB1INSTRUCTIONINFO_H 62