1 //===- PPCMacroFusion.h - PowerPC Macro Fusion ----------------------------===// 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 // 9 /// \file This file contains the PowerPC definition of the DAG scheduling 10 /// mutation to pair instructions back to back. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/CodeGen/MachineScheduler.h" 15 16 namespace llvm { 17 18 /// Note that you have to add: 19 /// DAG.addMutation(createPowerPCMacroFusionDAGMutation()); 20 /// to PPCPassConfig::createMachineScheduler() to have an effect. 21 std::unique_ptr<ScheduleDAGMutation> createPowerPCMacroFusionDAGMutation(); 22 } // llvm 23