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
19namespace llvm {
20
21/// Note that you have to add:
22/// DAG.addMutation(createAArch64MacroFusionDAGMutation());
23/// to AArch64TargetMachine::createMachineScheduler() to have an effect.
24std::unique_ptr<ScheduleDAGMutation> createAArch64MacroFusionDAGMutation();
25
26} // llvm
27
28#endif // LLVM_LIB_TARGET_AARCH64_AARCH64MACROFUSION_H
29