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//===-- ARMInstrInfo.h - ARM 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 ARM implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_ARM_ARMINSTRINFO_H
#define LLVM_LIB_TARGET_ARM_ARMINSTRINFO_H
#include "ARMBaseInstrInfo.h"
#include "ARMRegisterInfo.h"
namespace llvm {
class ARMSubtarget;
class ARMInstrInfo : public ARMBaseInstrInfo {
ARMRegisterInfo RI;
public:
explicit ARMInstrInfo(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 ARMRegisterInfo &getRegisterInfo() const override { return RI; }
private:
void expandLoadStackGuard(MachineBasicBlock::iterator MI) const override;
};
}
#endif
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