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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 #include "src/compiler/ast-graph-builder.h" | 5 #include "src/compiler/ast-graph-builder.h" |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/compiler.h" | 8 #include "src/compiler.h" |
9 #include "src/compiler/ast-loop-assignment-analyzer.h" | 9 #include "src/compiler/ast-loop-assignment-analyzer.h" |
10 #include "src/compiler/control-builders.h" | 10 #include "src/compiler/control-builders.h" |
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1038 void AstGraphBuilder::VisitForValues(ZoneList<Expression*>* exprs) { | 1038 void AstGraphBuilder::VisitForValues(ZoneList<Expression*>* exprs) { |
1039 for (int i = 0; i < exprs->length(); ++i) { | 1039 for (int i = 0; i < exprs->length(); ++i) { |
1040 VisitForValue(exprs->at(i)); | 1040 VisitForValue(exprs->at(i)); |
1041 } | 1041 } |
1042 } | 1042 } |
1043 | 1043 |
1044 | 1044 |
1045 void AstGraphBuilder::VisitForValue(Expression* expr) { | 1045 void AstGraphBuilder::VisitForValue(Expression* expr) { |
1046 AstValueContext for_value(this); | 1046 AstValueContext for_value(this); |
1047 if (!CheckStackOverflow()) { | 1047 if (!CheckStackOverflow()) { |
1048 AstVisitor<AstGraphBuilder>::Visit(expr); | 1048 VisitNoStackOverflowCheck(expr); |
1049 } else { | 1049 } else { |
1050 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); | 1050 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); |
1051 } | 1051 } |
1052 } | 1052 } |
1053 | 1053 |
1054 | 1054 |
1055 void AstGraphBuilder::VisitForEffect(Expression* expr) { | 1055 void AstGraphBuilder::VisitForEffect(Expression* expr) { |
1056 AstEffectContext for_effect(this); | 1056 AstEffectContext for_effect(this); |
1057 if (!CheckStackOverflow()) { | 1057 if (!CheckStackOverflow()) { |
1058 AstVisitor<AstGraphBuilder>::Visit(expr); | 1058 VisitNoStackOverflowCheck(expr); |
1059 } else { | 1059 } else { |
1060 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); | 1060 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); |
1061 } | 1061 } |
1062 } | 1062 } |
1063 | 1063 |
1064 | 1064 |
1065 void AstGraphBuilder::VisitForTest(Expression* expr) { | 1065 void AstGraphBuilder::VisitForTest(Expression* expr) { |
1066 AstTestContext for_condition(this, expr->test_id()); | 1066 AstTestContext for_condition(this, expr->test_id()); |
1067 if (!CheckStackOverflow()) { | 1067 if (!CheckStackOverflow()) { |
1068 AstVisitor<AstGraphBuilder>::Visit(expr); | 1068 VisitNoStackOverflowCheck(expr); |
1069 } else { | 1069 } else { |
1070 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); | 1070 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); |
1071 } | 1071 } |
1072 } | 1072 } |
1073 | 1073 |
1074 | 1074 |
1075 void AstGraphBuilder::Visit(Expression* expr) { | 1075 void AstGraphBuilder::Visit(Expression* expr) { |
1076 // Reuses enclosing AstContext. | 1076 // Reuses enclosing AstContext. |
1077 if (!CheckStackOverflow()) { | 1077 if (!CheckStackOverflow()) { |
1078 AstVisitor<AstGraphBuilder>::Visit(expr); | 1078 VisitNoStackOverflowCheck(expr); |
1079 } else { | 1079 } else { |
1080 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); | 1080 ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant()); |
1081 } | 1081 } |
1082 } | 1082 } |
1083 | 1083 |
1084 | 1084 |
1085 void AstGraphBuilder::VisitVariableDeclaration(VariableDeclaration* decl) { | 1085 void AstGraphBuilder::VisitVariableDeclaration(VariableDeclaration* decl) { |
1086 Variable* variable = decl->proxy()->var(); | 1086 Variable* variable = decl->proxy()->var(); |
1087 switch (variable->location()) { | 1087 switch (variable->location()) { |
1088 case VariableLocation::GLOBAL: | 1088 case VariableLocation::GLOBAL: |
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4330 // Phi does not exist yet, introduce one. | 4330 // Phi does not exist yet, introduce one. |
4331 value = NewPhi(inputs, value, control); | 4331 value = NewPhi(inputs, value, control); |
4332 value->ReplaceInput(inputs - 1, other); | 4332 value->ReplaceInput(inputs - 1, other); |
4333 } | 4333 } |
4334 return value; | 4334 return value; |
4335 } | 4335 } |
4336 | 4336 |
4337 } // namespace compiler | 4337 } // namespace compiler |
4338 } // namespace internal | 4338 } // namespace internal |
4339 } // namespace v8 | 4339 } // namespace v8 |
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