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 LLVM_LIB_TARGET_ARM_THUMB1INSTRINFO_H 15 #define LLVM_LIB_TARGET_ARM_THUMB1INSTRINFO_H 16 17 #include "ARMBaseInstrInfo.h" 18 #include "ThumbRegisterInfo.h" 19 20 namespace llvm { 21 class ARMSubtarget; 22 23 class Thumb1InstrInfo : public ARMBaseInstrInfo { 24 ThumbRegisterInfo RI; 25 public: 26 explicit Thumb1InstrInfo(const ARMSubtarget &STI); 27 28 /// getNoopForMachoTarget - Return the noop instruction to use for a noop. 29 void getNoopForMachoTarget(MCInst &NopInst) const override; 30 31 // Return the non-pre/post incrementing version of 'Opc'. Return 0 32 // if there is not such an opcode. 33 unsigned getUnindexedOpcode(unsigned Opc) const override; 34 35 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As 36 /// such, whenever a client has an instance of instruction info, it should 37 /// always be able to get register info as well (through this method). 38 /// 39 const ThumbRegisterInfo &getRegisterInfo() const override { return RI; } 40 41 void copyPhysReg(MachineBasicBlock &MBB, 42 MachineBasicBlock::iterator I, DebugLoc DL, 43 unsigned DestReg, unsigned SrcReg, 44 bool KillSrc) const override; 45 void storeRegToStackSlot(MachineBasicBlock &MBB, 46 MachineBasicBlock::iterator MBBI, 47 unsigned SrcReg, bool isKill, int FrameIndex, 48 const TargetRegisterClass *RC, 49 const TargetRegisterInfo *TRI) const override; 50 51 void loadRegFromStackSlot(MachineBasicBlock &MBB, 52 MachineBasicBlock::iterator MBBI, 53 unsigned DestReg, int FrameIndex, 54 const TargetRegisterClass *RC, 55 const TargetRegisterInfo *TRI) const override; 56 57 private: 58 void expandLoadStackGuard(MachineBasicBlock::iterator MI, 59 Reloc::Model RM) const override; 60 }; 61 } 62 63 #endif 64
