LLVM 20.0.0git
X86MacroFusion.h
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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
14#ifndef LLVM_LIB_TARGET_X86_X86MACROFUSION_H
15#define LLVM_LIB_TARGET_X86_X86MACROFUSION_H
16
17#include <memory>
18
19namespace llvm {
20
21class ScheduleDAGMutation;
22
23/// Note that you have to add:
24/// DAG.addMutation(createX86MacroFusionDAGMutation());
25/// to X86PassConfig::createMachineScheduler() to have an effect.
26std::unique_ptr<ScheduleDAGMutation>
28
29} // end namespace llvm
30
31#endif
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
std::unique_ptr< ScheduleDAGMutation > createX86MacroFusionDAGMutation()
Note that you have to add: DAG.addMutation(createX86MacroFusionDAGMutation()); to X86PassConfig::crea...