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Side by Side Diff: src/compiler/generic-node.h

Issue 767733002: De-generify the GenericGraph. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebased again. Created 6 years ago
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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_GENERIC_NODE_H_ 5 #ifndef V8_COMPILER_GENERIC_NODE_H_
6 #define V8_COMPILER_GENERIC_NODE_H_ 6 #define V8_COMPILER_GENERIC_NODE_H_
7 7
8 #include "src/v8.h" 8 #include "src/v8.h"
9 9
10 #include "src/zone-containers.h" 10 #include "src/zone-containers.h"
11 11
12 namespace v8 { 12 namespace v8 {
13 namespace internal { 13 namespace internal {
14 namespace compiler { 14 namespace compiler {
15 15
16 class GenericGraphBase; 16 class Graph;
17 17
18 typedef int NodeId; 18 typedef int NodeId;
19 19
20 // A GenericNode<> is the basic primitive of graphs. GenericNode's are 20 // A GenericNode<> is the basic primitive of graphs. GenericNode's are
21 // chained together by input/use chains but by default otherwise contain only an 21 // chained together by input/use chains but by default otherwise contain only an
22 // identifying number which specific applications of graphs and nodes can use 22 // identifying number which specific applications of graphs and nodes can use
23 // to index auxiliary out-of-line data, especially transient data. 23 // to index auxiliary out-of-line data, especially transient data.
24 // Specializations of the templatized GenericNode<> class must provide a base 24 // Specializations of the templatized GenericNode<> class must provide a base
25 // class B that contains all of the members to be made available in each 25 // class B that contains all of the members to be made available in each
26 // specialized Node instance. GenericNode uses a mixin template pattern to 26 // specialized Node instance. GenericNode uses a mixin template pattern to
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85 private: 85 private:
86 GenericNode* node_; 86 GenericNode* node_;
87 }; 87 };
88 88
89 Uses uses() { return Uses(this); } 89 Uses uses() { return Uses(this); }
90 90
91 class Edge; 91 class Edge;
92 92
93 bool OwnedBy(GenericNode* owner) const; 93 bool OwnedBy(GenericNode* owner) const;
94 94
95 static S* New(GenericGraphBase* graph, int input_count, S** inputs, 95 static S* New(Graph* graph, int input_count, S** inputs,
96 bool has_extensible_inputs); 96 bool has_extensible_inputs);
97 97
98 protected: 98 protected:
99 friend class GenericGraphBase; 99 friend class Graph;
100 100
101 class Use : public ZoneObject { 101 class Use : public ZoneObject {
102 public: 102 public:
103 GenericNode* from; 103 GenericNode* from;
104 Use* next; 104 Use* next;
105 Use* prev; 105 Use* prev;
106 int input_index; 106 int input_index;
107 }; 107 };
108 108
109 class Input { 109 class Input {
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122 } else { 122 } else {
123 return inputs_.static_ + index; 123 return inputs_.static_ + index;
124 } 124 }
125 } 125 }
126 126
127 inline void AppendUse(Use* use); 127 inline void AppendUse(Use* use);
128 inline void RemoveUse(Use* use); 128 inline void RemoveUse(Use* use);
129 129
130 void* operator new(size_t, void* location) { return location; } 130 void* operator new(size_t, void* location) { return location; }
131 131
132 GenericNode(GenericGraphBase* graph, int input_count, 132 GenericNode(Graph* graph, int input_count, int reserved_input_count);
133 int reserved_input_count);
134 133
135 private: 134 private:
136 void AssignUniqueID(GenericGraphBase* graph); 135 void AssignUniqueID(Graph* graph);
137 136
138 typedef ZoneDeque<Input> InputDeque; 137 typedef ZoneDeque<Input> InputDeque;
139 138
140 static const int kReservedInputCountBits = 2; 139 static const int kReservedInputCountBits = 2;
141 static const int kMaxReservedInputs = (1 << kReservedInputCountBits) - 1; 140 static const int kMaxReservedInputs = (1 << kReservedInputCountBits) - 1;
142 static const int kDefaultReservedInputs = kMaxReservedInputs; 141 static const int kDefaultReservedInputs = kMaxReservedInputs;
143 142
144 NodeId id_; 143 NodeId id_;
145 int input_count_ : 29; 144 int input_count_ : 29;
146 unsigned int reserve_input_count_ : kReservedInputCountBits; 145 unsigned int reserve_input_count_ : kReservedInputCountBits;
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270 } 269 }
271 270
272 typename GenericNode<B, S>::Use* current_; 271 typename GenericNode<B, S>::Use* current_;
273 int index_; 272 int index_;
274 }; 273 };
275 } 274 }
276 } 275 }
277 } // namespace v8::internal::compiler 276 } // namespace v8::internal::compiler
278 277
279 #endif // V8_COMPILER_GENERIC_NODE_H_ 278 #endif // V8_COMPILER_GENERIC_NODE_H_
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