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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_NODE_H_ | 5 #ifndef V8_COMPILER_NODE_H_ |
6 #define V8_COMPILER_NODE_H_ | 6 #define V8_COMPILER_NODE_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <set> | 9 #include <set> |
10 #include <vector> | 10 #include <vector> |
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41 void set_bounds(Bounds b) { bounds_ = b; } | 41 void set_bounds(Bounds b) { bounds_ = b; } |
42 }; | 42 }; |
43 | 43 |
44 // A Node is the basic primitive of an IR graph. In addition to the members | 44 // A Node is the basic primitive of an IR graph. In addition to the members |
45 // inherited from Vector, Nodes only contain a mutable Operator that may change | 45 // inherited from Vector, Nodes only contain a mutable Operator that may change |
46 // during compilation, e.g. during lowering passes. Other information that | 46 // during compilation, e.g. during lowering passes. Other information that |
47 // needs to be associated with Nodes during compilation must be stored | 47 // needs to be associated with Nodes during compilation must be stored |
48 // out-of-line indexed by the Node's id. | 48 // out-of-line indexed by the Node's id. |
49 class Node FINAL : public GenericNode<NodeData, Node> { | 49 class Node FINAL : public GenericNode<NodeData, Node> { |
50 public: | 50 public: |
51 Node(GenericGraphBase* graph, int input_count) | 51 Node(GenericGraphBase* graph, int input_count, int reserve_input_count) |
52 : GenericNode<NodeData, Node>(graph, input_count) {} | 52 : GenericNode<NodeData, Node>(graph, input_count, reserve_input_count) {} |
53 | 53 |
54 void Initialize(const Operator* op) { set_op(op); } | 54 void Initialize(const Operator* op) { set_op(op); } |
55 | 55 |
56 bool IsDead() const { return InputCount() > 0 && InputAt(0) == NULL; } | 56 bool IsDead() const { return InputCount() > 0 && InputAt(0) == NULL; } |
57 void Kill(); | 57 void Kill(); |
58 | 58 |
59 void CollectProjections(ZoneVector<Node*>* projections); | 59 void CollectProjections(ZoneVector<Node*>* projections); |
60 Node* FindProjection(size_t projection_index); | 60 Node* FindProjection(size_t projection_index); |
61 }; | 61 }; |
62 | 62 |
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84 template <typename T> | 84 template <typename T> |
85 static inline const T& OpParameter(const Node* node) { | 85 static inline const T& OpParameter(const Node* node) { |
86 return OpParameter<T>(node->op()); | 86 return OpParameter<T>(node->op()); |
87 } | 87 } |
88 | 88 |
89 } // namespace compiler | 89 } // namespace compiler |
90 } // namespace internal | 90 } // namespace internal |
91 } // namespace v8 | 91 } // namespace v8 |
92 | 92 |
93 #endif // V8_COMPILER_NODE_H_ | 93 #endif // V8_COMPILER_NODE_H_ |
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