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1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 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_AST_LOOP_ASSIGNMENT_ANALYZER_H_ | 5 #ifndef V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ |
6 #define V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ | 6 #define V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ |
7 | 7 |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/bit-vector.h" | 9 #include "src/bit-vector.h" |
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 | 14 |
| 15 class CompilationInfo; |
| 16 class Scope; |
15 class Variable; | 17 class Variable; |
16 class Scope; | |
17 | 18 |
18 namespace compiler { | 19 namespace compiler { |
19 | 20 |
20 // The result of analyzing loop assignments. | 21 // The result of analyzing loop assignments. |
21 class LoopAssignmentAnalysis : public ZoneObject { | 22 class LoopAssignmentAnalysis : public ZoneObject { |
22 public: | 23 public: |
23 BitVector* GetVariablesAssignedInLoop(IterationStatement* loop) { | 24 BitVector* GetVariablesAssignedInLoop(IterationStatement* loop) { |
24 for (size_t i = 0; i < list_.size(); i++) { | 25 for (size_t i = 0; i < list_.size(); i++) { |
25 // TODO(turbofan): hashmap or binary search for loop assignments. | 26 // TODO(turbofan): hashmap or binary search for loop assignments. |
26 if (list_[i].first == loop) return list_[i].second; | 27 if (list_[i].first == loop) return list_[i].second; |
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69 void AnalyzeAssignment(Variable* var); | 70 void AnalyzeAssignment(Variable* var); |
70 | 71 |
71 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 72 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
72 DISALLOW_COPY_AND_ASSIGN(AstLoopAssignmentAnalyzer); | 73 DISALLOW_COPY_AND_ASSIGN(AstLoopAssignmentAnalyzer); |
73 }; | 74 }; |
74 } // namespace compiler | 75 } // namespace compiler |
75 } // namespace internal | 76 } // namespace internal |
76 } // namespace v8 | 77 } // namespace v8 |
77 | 78 |
78 #endif // V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ | 79 #endif // V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ |
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