| 1 | //===- X86MacroFusion.h - X86 Macro Fusion --------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | /// \file This file contains the X86 definition of the DAG scheduling mutation |
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| 10 | /// to pair instructions back to back. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #ifndef LLVM_LIB_TARGET_X86_X86MACROFUSION_H |
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| 15 | #define LLVM_LIB_TARGET_X86_X86MACROFUSION_H |
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| 16 | |
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| 17 | #include <memory> |
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| 18 | |
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| 19 | namespace llvm { |
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| 20 | |
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| 21 | class ScheduleDAGMutation; |
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| 22 | |
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| 23 | /// Note that you have to add: |
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| 24 | /// DAG.addMutation(createX86MacroFusionDAGMutation()); |
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| 25 | /// to X86PassConfig::createMachineScheduler() to have an effect. |
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| 26 | std::unique_ptr<ScheduleDAGMutation> |
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| 27 | createX86MacroFusionDAGMutation(); |
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| 28 | |
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| 29 | } // end namespace llvm |
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| 30 | |
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| 31 | #endif |
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| 32 | |
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