1 //===-------------------- X86CustomBehaviour.h ------------------*-C++ -* -===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// \file 9 /// 10 /// This file defines the X86CustomBehaviour class which inherits from 11 /// CustomBehaviour. This class is used by the tool llvm-mca to enforce 12 /// target specific behaviour that is not expressed well enough in the 13 /// scheduling model for mca to enforce it automatically. 14 /// 15 //===----------------------------------------------------------------------===// 16 17 #ifndef LLVM_LIB_TARGET_X86_MCA_X86CUSTOMBEHAVIOUR_H 18 #define LLVM_LIB_TARGET_X86_MCA_X86CUSTOMBEHAVIOUR_H 19 20 #include "llvm/ADT/SmallVector.h" 21 #include "llvm/MCA/CustomBehaviour.h" 22 #include "llvm/TargetParser/TargetParser.h" 23 24 namespace llvm { 25 namespace mca { 26 27 class X86InstrPostProcess : public InstrPostProcess { 28 /// Called within X86InstrPostProcess to specify certain instructions 29 /// as load and store barriers. 30 void setMemBarriers(std::unique_ptr<Instruction> &Inst, const MCInst &MCI); 31 32 public: 33 X86InstrPostProcess(const MCSubtargetInfo &STI, const MCInstrInfo &MCII) 34 : InstrPostProcess(STI, MCII) {} 35 36 ~X86InstrPostProcess() = default; 37 38 void postProcessInstruction(std::unique_ptr<Instruction> &Inst, 39 const MCInst &MCI) override; 40 }; 41 42 } // namespace mca 43 } // namespace llvm 44 45 #endif 46