|  | //===- ARMMacroFusion.h - ARM Macro Fusion ------------------------===// | 
|  | // | 
|  | // 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 | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | /// \file This file contains the ARM definition of the DAG scheduling mutation | 
|  | /// to pair instructions back to back. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef LLVM_LIB_TARGET_ARM_ARMMACROFUSION_H | 
|  | #define LLVM_LIB_TARGET_ARM_ARMMACROFUSION_H | 
|  |  | 
|  | #include "llvm/CodeGen/MachineScheduler.h" | 
|  |  | 
|  | namespace llvm { | 
|  |  | 
|  | /// Note that you have to add: | 
|  | ///   DAG.addMutation(createARMMacroFusionDAGMutation()); | 
|  | /// to ARMPassConfig::createMachineScheduler() to have an effect. | 
|  | std::unique_ptr<ScheduleDAGMutation> createARMMacroFusionDAGMutation(); | 
|  |  | 
|  | } // llvm | 
|  |  | 
|  | #endif |