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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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| 1909 environment()->Push(name); | 1909 environment()->Push(name); |
| 1910 VisitForValue(property->value()); | 1910 VisitForValue(property->value()); |
| 1911 Node* value = environment()->Pop(); | 1911 Node* value = environment()->Pop(); |
| 1912 Node* key = environment()->Pop(); | 1912 Node* key = environment()->Pop(); |
| 1913 Node* receiver = environment()->Pop(); | 1913 Node* receiver = environment()->Pop(); |
| 1914 BuildSetHomeObject(value, receiver, property); | 1914 BuildSetHomeObject(value, receiver, property); |
| 1915 switch (property->kind()) { | 1915 switch (property->kind()) { |
| 1916 case ObjectLiteral::Property::CONSTANT: | 1916 case ObjectLiteral::Property::CONSTANT: |
| 1917 case ObjectLiteral::Property::COMPUTED: | 1917 case ObjectLiteral::Property::COMPUTED: |
| 1918 case ObjectLiteral::Property::MATERIALIZED_LITERAL: { | 1918 case ObjectLiteral::Property::MATERIALIZED_LITERAL: { |
| 1919 if (!property->emit_store()) continue; |
| 1919 Node* attr = jsgraph()->Constant(NONE); | 1920 Node* attr = jsgraph()->Constant(NONE); |
| 1920 Node* set_function_name = | 1921 Node* set_function_name = |
| 1921 jsgraph()->Constant(property->NeedsSetFunctionName()); | 1922 jsgraph()->Constant(property->NeedsSetFunctionName()); |
| 1922 const Operator* op = | 1923 const Operator* op = |
| 1923 javascript()->CallRuntime(Runtime::kDefineDataPropertyInLiteral); | 1924 javascript()->CallRuntime(Runtime::kDefineDataPropertyInLiteral); |
| 1924 Node* call = NewNode(op, receiver, key, value, attr, set_function_name); | 1925 Node* call = NewNode(op, receiver, key, value, attr, set_function_name); |
| 1925 PrepareFrameState(call, expr->GetIdForPropertySet(property_index)); | 1926 PrepareFrameState(call, expr->GetIdForPropertySet(property_index)); |
| 1926 break; | 1927 break; |
| 1927 } | 1928 } |
| 1928 case ObjectLiteral::Property::PROTOTYPE: | 1929 case ObjectLiteral::Property::PROTOTYPE: |
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| 4030 environment()->stack_height(), info()->osr_expr_stack_height())); | 4031 environment()->stack_height(), info()->osr_expr_stack_height())); |
| 4031 return true; | 4032 return true; |
| 4032 } | 4033 } |
| 4033 return false; | 4034 return false; |
| 4034 } | 4035 } |
| 4035 | 4036 |
| 4036 | 4037 |
| 4037 void AstGraphBuilder::PrepareFrameState(Node* node, BailoutId ast_id, | 4038 void AstGraphBuilder::PrepareFrameState(Node* node, BailoutId ast_id, |
| 4038 OutputFrameStateCombine combine) { | 4039 OutputFrameStateCombine combine) { |
| 4039 if (OperatorProperties::GetFrameStateInputCount(node->op()) > 0) { | 4040 if (OperatorProperties::GetFrameStateInputCount(node->op()) > 0) { |
| 4041 DCHECK(ast_id.IsNone() || info()->shared_info()->VerifyBailoutId(ast_id)); |
| 4040 DCHECK_EQ(1, OperatorProperties::GetFrameStateInputCount(node->op())); | 4042 DCHECK_EQ(1, OperatorProperties::GetFrameStateInputCount(node->op())); |
| 4041 | |
| 4042 DCHECK_EQ(IrOpcode::kDead, | 4043 DCHECK_EQ(IrOpcode::kDead, |
| 4043 NodeProperties::GetFrameStateInput(node, 0)->opcode()); | 4044 NodeProperties::GetFrameStateInput(node, 0)->opcode()); |
| 4044 bool node_has_exception = NodeProperties::IsExceptionalCall(node); | 4045 bool has_exception = NodeProperties::IsExceptionalCall(node); |
| 4045 NodeProperties::ReplaceFrameStateInput( | 4046 Node* state = environment()->Checkpoint(ast_id, combine, has_exception); |
| 4046 node, 0, | 4047 NodeProperties::ReplaceFrameStateInput(node, 0, state); |
| 4047 environment()->Checkpoint(ast_id, combine, node_has_exception)); | |
| 4048 } | 4048 } |
| 4049 } | 4049 } |
| 4050 | 4050 |
| 4051 void AstGraphBuilder::PrepareEagerCheckpoint(BailoutId ast_id) { | 4051 void AstGraphBuilder::PrepareEagerCheckpoint(BailoutId ast_id) { |
| 4052 if (environment()->GetEffectDependency()->opcode() == IrOpcode::kCheckpoint) { | 4052 if (environment()->GetEffectDependency()->opcode() == IrOpcode::kCheckpoint) { |
| 4053 // We skip preparing a checkpoint if there already is one the current effect | 4053 // We skip preparing a checkpoint if there already is one the current effect |
| 4054 // dependency. This is just an optimization and not need for correctness. | 4054 // dependency. This is just an optimization and not need for correctness. |
| 4055 return; | 4055 return; |
| 4056 } | 4056 } |
| 4057 if (ast_id != BailoutId::None()) { | 4057 if (ast_id != BailoutId::None()) { |
| 4058 DCHECK(info()->shared_info()->VerifyBailoutId(ast_id)); | 4058 DCHECK(info()->shared_info()->VerifyBailoutId(ast_id)); |
| 4059 Node* node = NewNode(common()->Checkpoint()); | 4059 Node* node = NewNode(common()->Checkpoint()); |
| 4060 DCHECK_EQ(IrOpcode::kDead, | 4060 DCHECK_EQ(IrOpcode::kDead, |
| 4061 NodeProperties::GetFrameStateInput(node, 0)->opcode()); | 4061 NodeProperties::GetFrameStateInput(node, 0)->opcode()); |
| 4062 NodeProperties::ReplaceFrameStateInput(node, 0, | 4062 Node* state = environment()->Checkpoint(ast_id); |
| 4063 environment()->Checkpoint(ast_id)); | 4063 NodeProperties::ReplaceFrameStateInput(node, 0, state); |
| 4064 } | 4064 } |
| 4065 } | 4065 } |
| 4066 | 4066 |
| 4067 BitVector* AstGraphBuilder::GetVariablesAssignedInLoop( | 4067 BitVector* AstGraphBuilder::GetVariablesAssignedInLoop( |
| 4068 IterationStatement* stmt) { | 4068 IterationStatement* stmt) { |
| 4069 if (loop_assignment_analysis_ == nullptr) return nullptr; | 4069 if (loop_assignment_analysis_ == nullptr) return nullptr; |
| 4070 return loop_assignment_analysis_->GetVariablesAssignedInLoop(stmt); | 4070 return loop_assignment_analysis_->GetVariablesAssignedInLoop(stmt); |
| 4071 } | 4071 } |
| 4072 | 4072 |
| 4073 | 4073 |
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| 4367 // Phi does not exist yet, introduce one. | 4367 // Phi does not exist yet, introduce one. |
| 4368 value = NewPhi(inputs, value, control); | 4368 value = NewPhi(inputs, value, control); |
| 4369 value->ReplaceInput(inputs - 1, other); | 4369 value->ReplaceInput(inputs - 1, other); |
| 4370 } | 4370 } |
| 4371 return value; | 4371 return value; |
| 4372 } | 4372 } |
| 4373 | 4373 |
| 4374 } // namespace compiler | 4374 } // namespace compiler |
| 4375 } // namespace internal | 4375 } // namespace internal |
| 4376 } // namespace v8 | 4376 } // namespace v8 |
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