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 21namespace llvm { 22 class ARMSubtarget; 23 24class Thumb1InstrInfo : public ARMBaseInstrInfo { 25 Thumb1RegisterInfo RI; 26public: 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 /// 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