Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line | 
|---|---|---|---|
| 14 | pmbaty | 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 | |||
| 17 | namespace llvm { | ||
| 18 | |||
| 19 | class ScheduleDAGInstrs; | ||
| 20 | |||
| 21 | /// Mutate the DAG as a postpass after normal DAG building. | ||
| 22 | class ScheduleDAGMutation { | ||
| 23 | virtual void anchor(); | ||
| 24 | |||
| 25 | public: | ||
| 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 |