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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. 
  void getNoop(MCInst &NopInst) 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