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 34
Indexes created Mon Jun 08 00:24:58 UTC 2026