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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_COMPILER_SCHEDULER_H_ | 5 #ifndef V8_COMPILER_SCHEDULER_H_ |
6 #define V8_COMPILER_SCHEDULER_H_ | 6 #define V8_COMPILER_SCHEDULER_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/compiler/opcodes.h" | 10 #include "src/compiler/opcodes.h" |
11 #include "src/compiler/schedule.h" | 11 #include "src/compiler/schedule.h" |
12 #include "src/compiler/zone-pool.h" | 12 #include "src/compiler/zone-pool.h" |
13 #include "src/zone-containers.h" | 13 #include "src/zone-containers.h" |
14 | 14 |
15 namespace v8 { | 15 namespace v8 { |
16 namespace internal { | 16 namespace internal { |
17 namespace compiler { | 17 namespace compiler { |
18 | 18 |
| 19 class CFGBuilder; |
19 class SpecialRPONumberer; | 20 class SpecialRPONumberer; |
20 | 21 |
21 // Computes a schedule from a graph, placing nodes into basic blocks and | 22 // Computes a schedule from a graph, placing nodes into basic blocks and |
22 // ordering the basic blocks in the special RPO order. | 23 // ordering the basic blocks in the special RPO order. |
23 class Scheduler { | 24 class Scheduler { |
24 public: | 25 public: |
25 // The complete scheduling algorithm. Creates a new schedule and places all | 26 // The complete scheduling algorithm. Creates a new schedule and places all |
26 // nodes from the graph into it. | 27 // nodes from the graph into it. |
27 static Schedule* ComputeSchedule(Zone* zone, Graph* graph); | 28 static Schedule* ComputeSchedule(Zone* zone, Graph* graph); |
28 | 29 |
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54 // coupled to another node, or not yet known. | 55 // coupled to another node, or not yet known. |
55 }; | 56 }; |
56 | 57 |
57 Zone* zone_; | 58 Zone* zone_; |
58 Graph* graph_; | 59 Graph* graph_; |
59 Schedule* schedule_; | 60 Schedule* schedule_; |
60 NodeVectorVector scheduled_nodes_; // Per-block list of nodes in reverse. | 61 NodeVectorVector scheduled_nodes_; // Per-block list of nodes in reverse. |
61 NodeVector schedule_root_nodes_; // Fixed root nodes seed the worklist. | 62 NodeVector schedule_root_nodes_; // Fixed root nodes seed the worklist. |
62 ZoneQueue<Node*> schedule_queue_; // Worklist of schedulable nodes. | 63 ZoneQueue<Node*> schedule_queue_; // Worklist of schedulable nodes. |
63 ZoneVector<SchedulerData> node_data_; // Per-node data for all nodes. | 64 ZoneVector<SchedulerData> node_data_; // Per-node data for all nodes. |
| 65 CFGBuilder* control_flow_builder_; // Builds basic blocks for controls. |
64 SpecialRPONumberer* special_rpo_; // Special RPO numbering of blocks. | 66 SpecialRPONumberer* special_rpo_; // Special RPO numbering of blocks. |
65 | 67 |
66 Scheduler(Zone* zone, Graph* graph, Schedule* schedule); | 68 Scheduler(Zone* zone, Graph* graph, Schedule* schedule); |
67 | 69 |
68 inline SchedulerData DefaultSchedulerData(); | 70 inline SchedulerData DefaultSchedulerData(); |
69 inline SchedulerData* GetData(Node* node); | 71 inline SchedulerData* GetData(Node* node); |
70 | 72 |
71 Placement GetPlacement(Node* node); | 73 Placement GetPlacement(Node* node); |
72 void UpdatePlacement(Node* node, Placement placement); | 74 void UpdatePlacement(Node* node, Placement placement); |
73 | 75 |
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103 | 105 |
104 void FuseFloatingControl(BasicBlock* block, Node* node); | 106 void FuseFloatingControl(BasicBlock* block, Node* node); |
105 void MovePlannedNodes(BasicBlock* from, BasicBlock* to); | 107 void MovePlannedNodes(BasicBlock* from, BasicBlock* to); |
106 }; | 108 }; |
107 | 109 |
108 } // namespace compiler | 110 } // namespace compiler |
109 } // namespace internal | 111 } // namespace internal |
110 } // namespace v8 | 112 } // namespace v8 |
111 | 113 |
112 #endif // V8_COMPILER_SCHEDULER_H_ | 114 #endif // V8_COMPILER_SCHEDULER_H_ |
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