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