1 //===- AArch64MacroFusion.h - AArch64 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 AArch64 definition of the DAG scheduling 10 /// mutation to pair instructions back to back. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACROFUSION_H 15 #define LLVM_LIB_TARGET_AARCH64_AARCH64MACROFUSION_H 16 17 #include "llvm/CodeGen/MachineScheduler.h" 18 19 namespace llvm { 20 21 /// Note that you have to add: 22 /// DAG.addMutation(createAArch64MacroFusionDAGMutation()); 23 /// to AArch64PassConfig::createMachineScheduler() to have an effect. 24 std::unique_ptr<ScheduleDAGMutation> createAArch64MacroFusionDAGMutation(); 25 26 } // llvm 27 28 #endif // LLVM_LIB_TARGET_AARCH64_AARCH64MACROFUSION_H 29