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