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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 #include "src/compiler/graph.h" | 5 #include "src/compiler/graph.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/compiler/node.h" | 10 #include "src/compiler/node.h" |
| 11 | 11 |
| 12 namespace v8 { | 12 namespace v8 { |
| 13 namespace internal { | 13 namespace internal { |
| 14 namespace compiler { | 14 namespace compiler { |
| 15 | 15 |
| 16 Graph::Graph(Zone* zone) | 16 Graph::Graph(Zone* zone) |
| 17 : zone_(zone), | 17 : zone_(zone), |
| 18 start_(nullptr), | 18 start_(nullptr), |
| 19 end_(nullptr), | 19 end_(nullptr), |
| 20 mark_max_(0), | 20 mark_max_(0), |
| 21 next_node_id_(0), | 21 next_node_id_(0), |
| 22 decorators_(zone) {} | 22 decorators_(zone) {} |
| 23 | 23 |
| 24 | 24 |
| 25 void Graph::Decorate(Node* node, bool incomplete) { | 25 void Graph::Decorate(Node* node) { |
| 26 for (auto const decorator : decorators_) { | 26 for (auto const decorator : decorators_) { |
| 27 decorator->Decorate(node, incomplete); | 27 decorator->Decorate(node); |
| 28 } | 28 } |
| 29 } | 29 } |
| 30 | 30 |
| 31 | 31 |
| 32 void Graph::AddDecorator(GraphDecorator* decorator) { | 32 void Graph::AddDecorator(GraphDecorator* decorator) { |
| 33 decorators_.push_back(decorator); | 33 decorators_.push_back(decorator); |
| 34 } | 34 } |
| 35 | 35 |
| 36 | 36 |
| 37 void Graph::RemoveDecorator(GraphDecorator* decorator) { | 37 void Graph::RemoveDecorator(GraphDecorator* decorator) { |
| 38 auto const it = std::find(decorators_.begin(), decorators_.end(), decorator); | 38 auto const it = std::find(decorators_.begin(), decorators_.end(), decorator); |
| 39 DCHECK(it != decorators_.end()); | 39 DCHECK(it != decorators_.end()); |
| 40 decorators_.erase(it); | 40 decorators_.erase(it); |
| 41 } | 41 } |
| 42 | 42 |
| 43 | 43 |
| 44 Node* Graph::NewNode(const Operator* op, int input_count, Node** inputs, | 44 Node* Graph::NewNode(const Operator* op, int input_count, Node** inputs, |
| 45 bool incomplete) { | 45 bool incomplete) { |
| 46 DCHECK_LE(op->ValueInputCount(), input_count); | 46 DCHECK_LE(op->ValueInputCount(), input_count); |
| 47 Node* const node = | 47 Node* const node = |
| 48 Node::New(zone(), NextNodeId(), op, input_count, inputs, incomplete); | 48 Node::New(zone(), NextNodeId(), op, input_count, inputs, incomplete); |
| 49 Decorate(node, incomplete); | 49 Decorate(node); |
| 50 return node; | 50 return node; |
| 51 } | 51 } |
| 52 | 52 |
| 53 | 53 |
| 54 NodeId Graph::NextNodeId() { | 54 NodeId Graph::NextNodeId() { |
| 55 NodeId const id = next_node_id_; | 55 NodeId const id = next_node_id_; |
| 56 CHECK(!base::bits::UnsignedAddOverflow32(id, 1, &next_node_id_)); | 56 CHECK(!base::bits::UnsignedAddOverflow32(id, 1, &next_node_id_)); |
| 57 return id; | 57 return id; |
| 58 } | 58 } |
| 59 | 59 |
| 60 } // namespace compiler | 60 } // namespace compiler |
| 61 } // namespace internal | 61 } // namespace internal |
| 62 } // namespace v8 | 62 } // namespace v8 |
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