LLVM  11.0.0git
X86MacroFusion.h
Go to the documentation of this file.
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 
14 #ifndef LLVM_LIB_TARGET_X86_X86MACROFUSION_H
15 #define LLVM_LIB_TARGET_X86_X86MACROFUSION_H
16 
17 #include <memory>
18 
19 namespace llvm {
20 
21 class ScheduleDAGMutation;
22 
23 /// Note that you have to add:
24 /// DAG.addMutation(createX86MacroFusionDAGMutation());
25 /// to X86PassConfig::createMachineScheduler() to have an effect.
26 std::unique_ptr<ScheduleDAGMutation>
28 
29 } // end namespace llvm
30 
31 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23
std::unique_ptr< ScheduleDAGMutation > createX86MacroFusionDAGMutation()
Note that you have to add: DAG.addMutation(createX86MacroFusionDAGMutation()); to X86PassConfig::crea...