| //===-- Thumb1InstrInfo.h - Thumb-1 Instruction Information -----*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the Thumb-1 implementation of the TargetInstrInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_ARM_THUMB1INSTRINFO_H |
| #define LLVM_LIB_TARGET_ARM_THUMB1INSTRINFO_H |
| |
| #include "ARMBaseInstrInfo.h" |
| #include "ThumbRegisterInfo.h" |
| |
| namespace llvm { |
| class ARMSubtarget; |
| |
| class Thumb1InstrInfo : public ARMBaseInstrInfo { |
| ThumbRegisterInfo RI; |
| public: |
| explicit Thumb1InstrInfo(const ARMSubtarget &STI); |
| |
| /// Return the noop instruction to use for a noop. |
| MCInst getNop() const override; |
| |
| // Return the non-pre/post incrementing version of 'Opc'. Return 0 |
| // if there is not such an opcode. |
| unsigned getUnindexedOpcode(unsigned Opc) const override; |
| |
| /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As |
| /// such, whenever a client has an instance of instruction info, it should |
| /// always be able to get register info as well (through this method). |
| /// |
| const ThumbRegisterInfo &getRegisterInfo() const override { return RI; } |
| |
| void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, |
| const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, |
| bool KillSrc) const override; |
| void storeRegToStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MBBI, |
| Register SrcReg, bool isKill, int FrameIndex, |
| const TargetRegisterClass *RC, |
| const TargetRegisterInfo *TRI) const override; |
| |
| void loadRegFromStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MBBI, |
| Register DestReg, int FrameIndex, |
| const TargetRegisterClass *RC, |
| const TargetRegisterInfo *TRI) const override; |
| |
| bool canCopyGluedNodeDuringSchedule(SDNode *N) const override; |
| private: |
| void expandLoadStackGuard(MachineBasicBlock::iterator MI) const override; |
| }; |
| } |
| |
| #endif |