X86MacroFusion.h 992 B

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  1. //===- X86MacroFusion.h - X86 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 X86 definition of the DAG scheduling mutation
  10. /// to pair instructions back to back.
  11. //
  12. //===----------------------------------------------------------------------===//
  13. #ifndef LLVM_LIB_TARGET_X86_X86MACROFUSION_H
  14. #define LLVM_LIB_TARGET_X86_X86MACROFUSION_H
  15. #include <memory>
  16. namespace llvm {
  17. class ScheduleDAGMutation;
  18. /// Note that you have to add:
  19. /// DAG.addMutation(createX86MacroFusionDAGMutation());
  20. /// to X86PassConfig::createMachineScheduler() to have an effect.
  21. std::unique_ptr<ScheduleDAGMutation>
  22. createX86MacroFusionDAGMutation();
  23. } // end namespace llvm
  24. #endif