10b57cec5SDimitry Andric //===- X86MacroFusion.h - X86 Macro Fusion --------------------------------===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric /// \file This file contains the X86 definition of the DAG scheduling mutation 100b57cec5SDimitry Andric /// to pair instructions back to back. 110b57cec5SDimitry Andric // 120b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_X86_X86MACROFUSION_H 150b57cec5SDimitry Andric #define LLVM_LIB_TARGET_X86_X86MACROFUSION_H 160b57cec5SDimitry Andric 17*5ffd83dbSDimitry Andric #include <memory> 180b57cec5SDimitry Andric 190b57cec5SDimitry Andric namespace llvm { 200b57cec5SDimitry Andric 21*5ffd83dbSDimitry Andric class ScheduleDAGMutation; 22*5ffd83dbSDimitry Andric 230b57cec5SDimitry Andric /// Note that you have to add: 240b57cec5SDimitry Andric /// DAG.addMutation(createX86MacroFusionDAGMutation()); 250b57cec5SDimitry Andric /// to X86PassConfig::createMachineScheduler() to have an effect. 260b57cec5SDimitry Andric std::unique_ptr<ScheduleDAGMutation> 270b57cec5SDimitry Andric createX86MacroFusionDAGMutation(); 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric } // end namespace llvm 300b57cec5SDimitry Andric 310b57cec5SDimitry Andric #endif 32