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1 // Copyright 2014 the V8 project authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "src/compiler/graph-inl.h" | |
6 #include "src/compiler/lowering-builder.h" | |
7 #include "src/compiler/node-aux-data-inl.h" | |
8 #include "src/compiler/node-properties-inl.h" | |
9 | |
10 namespace v8 { | |
11 namespace internal { | |
12 namespace compiler { | |
13 | |
14 class LoweringBuilder::NodeVisitor : public NullNodeVisitor { | |
15 public: | |
16 explicit NodeVisitor(LoweringBuilder* lowering) : lowering_(lowering) {} | |
17 | |
18 GenericGraphVisit::Control Post(Node* node) { | |
19 if (lowering_->source_positions_ != NULL) { | |
20 SourcePositionTable::Scope pos(lowering_->source_positions_, node); | |
21 lowering_->Lower(node); | |
22 } else { | |
23 lowering_->Lower(node); | |
24 } | |
25 return GenericGraphVisit::CONTINUE; | |
26 } | |
27 | |
28 private: | |
29 LoweringBuilder* lowering_; | |
30 }; | |
31 | |
32 | |
33 LoweringBuilder::LoweringBuilder(Graph* graph, | |
34 SourcePositionTable* source_positions) | |
35 : graph_(graph), source_positions_(source_positions) {} | |
36 | |
37 | |
38 void LoweringBuilder::LowerAllNodes() { | |
39 NodeVisitor visitor(this); | |
40 graph()->VisitNodeInputsFromEnd(&visitor); | |
41 } | |
42 | |
43 } // namespace compiler | |
44 } // namespace internal | |
45 } // namespace v8 | |
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