/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/include/llvm/CodeGen/ScheduleDAGMutation.h
Line | Count | Source |
1 | | //===- ScheduleDAGMutation.h - MachineInstr Scheduling ----------*- C++ -*-===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This file implements the ScheduleDAGMutation class, which represents |
11 | | // a target-specific mutation of the dependency graph for scheduling. |
12 | | // |
13 | | //===----------------------------------------------------------------------===// |
14 | | |
15 | | #ifndef LLVM_CODEGEN_SCHEDULEDAGMUTATION_H |
16 | | #define LLVM_CODEGEN_SCHEDULEDAGMUTATION_H |
17 | | |
18 | | namespace llvm { |
19 | | |
20 | | class ScheduleDAGInstrs; |
21 | | |
22 | | /// Mutate the DAG as a postpass after normal DAG building. |
23 | | class ScheduleDAGMutation { |
24 | | virtual void anchor(); |
25 | | |
26 | | public: |
27 | 2.04M | virtual ~ScheduleDAGMutation() = default; |
28 | | |
29 | | virtual void apply(ScheduleDAGInstrs *DAG) = 0; |
30 | | }; |
31 | | |
32 | | } // end namespace llvm |
33 | | |
34 | | #endif // LLVM_CODEGEN_SCHEDULEDAGMUTATION_H |