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- //===- 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
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