hanchenye-llvm-project/llvm/lib/Target/AArch64/AArch64MacroFusion.h

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//===- AArch64MacroFusion.h - AArch64 Macro Fusion ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// \fileThis file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the AArch64 definition of the DAG scheduling mutation
// to pair instructions back to back.
//
//===----------------------------------------------------------------------===//
#include "AArch64InstrInfo.h"
#include "llvm/CodeGen/MachineScheduler.h"
//===----------------------------------------------------------------------===//
// AArch64MacroFusion - DAG post-processing to encourage fusion of macro ops.
//===----------------------------------------------------------------------===//
namespace llvm {
/// Note that you have to add:
/// DAG.addMutation(createAArch64MacroFusionDAGMutation());
/// to AArch64PassConfig::createMachineScheduler() to have an effect.
std::unique_ptr<ScheduleDAGMutation> createAArch64MacroFusionDAGMutation();
} // llvm