llvm-for-llvmta/lib/Target/X86/X86MacroFusion.h

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2022-04-25 10:02:23 +02:00
//===- X86MacroFusion.h - X86 Macro Fusion --------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
/// \file This file contains the X86 definition of the DAG scheduling mutation
/// to pair instructions back to back.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_X86MACROFUSION_H
#define LLVM_LIB_TARGET_X86_X86MACROFUSION_H
#include <memory>
namespace llvm {
class ScheduleDAGMutation;
/// Note that you have to add:
/// DAG.addMutation(createX86MacroFusionDAGMutation());
/// to X86PassConfig::createMachineScheduler() to have an effect.
std::unique_ptr<ScheduleDAGMutation>
createX86MacroFusionDAGMutation();
} // end namespace llvm
#endif