| //===- X86MacroFusion.h - X86 Macro Fusion --------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| /// \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 "llvm/CodeGen/MachineScheduler.h" |
| |
| namespace llvm { |
| |
| /// 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 |
