LLVM 20.0.0git
ScheduleDAGMutation.h
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1//===- ScheduleDAGMutation.h - MachineInstr Scheduling ----------*- C++ -*-===//
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// This file implements the ScheduleDAGMutation class, which represents
10// a target-specific mutation of the dependency graph for scheduling.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_CODEGEN_SCHEDULEDAGMUTATION_H
15#define LLVM_CODEGEN_SCHEDULEDAGMUTATION_H
16
17namespace llvm {
18
19class ScheduleDAGInstrs;
20
21/// Mutate the DAG as a postpass after normal DAG building.
23 virtual void anchor();
24
25public:
26 virtual ~ScheduleDAGMutation() = default;
27
28 virtual void apply(ScheduleDAGInstrs *DAG) = 0;
29};
30
31} // end namespace llvm
32
33#endif // LLVM_CODEGEN_SCHEDULEDAGMUTATION_H
A ScheduleDAG for scheduling lists of MachineInstr.
Mutate the DAG as a postpass after normal DAG building.
virtual ~ScheduleDAGMutation()=default
virtual void apply(ScheduleDAGInstrs *DAG)=0
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18