1 //===- X86MacroFusion.h - X86 Macro Fusion --------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 /// \file This file contains the X86 definition of the DAG scheduling mutation 11 /// to pair instructions back to back. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "llvm/CodeGen/MachineScheduler.h" 16 17 namespace llvm { 18 19 /// Note that you have to add: 20 /// DAG.addMutation(createX86MacroFusionDAGMutation()); 21 /// to X86PassConfig::createMachineScheduler() to have an effect. 22 std::unique_ptr<ScheduleDAGMutation> 23 createX86MacroFusionDAGMutation(); 24 25 } // end namespace llvm 26
