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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/compiler.h" | 7 #include "src/compiler.h" |
8 #include "src/compiler/control-builders.h" | 8 #include "src/compiler/control-builders.h" |
9 #include "src/compiler/machine-operator.h" | 9 #include "src/compiler/machine-operator.h" |
10 #include "src/compiler/node-properties.h" | 10 #include "src/compiler/node-properties.h" |
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217 } | 217 } |
218 | 218 |
219 | 219 |
220 Node* AstGraphBuilder::Environment::Checkpoint( | 220 Node* AstGraphBuilder::Environment::Checkpoint( |
221 BailoutId ast_id, OutputFrameStateCombine combine) { | 221 BailoutId ast_id, OutputFrameStateCombine combine) { |
222 UpdateStateValues(¶meters_node_, 0, parameters_count()); | 222 UpdateStateValues(¶meters_node_, 0, parameters_count()); |
223 UpdateStateValues(&locals_node_, parameters_count(), locals_count()); | 223 UpdateStateValues(&locals_node_, parameters_count(), locals_count()); |
224 UpdateStateValues(&stack_node_, parameters_count() + locals_count(), | 224 UpdateStateValues(&stack_node_, parameters_count() + locals_count(), |
225 stack_height()); | 225 stack_height()); |
226 | 226 |
227 const Operator* op = common()->FrameState(JS_FRAME, ast_id, combine); | 227 const Operator* op = common()->FrameState(ast_id, combine); |
228 | 228 |
229 return graph()->NewNode(op, parameters_node_, locals_node_, stack_node_, | 229 return graph()->NewNode(op, parameters_node_, locals_node_, stack_node_, |
230 GetContext(), | 230 GetContext(), |
231 builder()->jsgraph()->UndefinedConstant()); | 231 builder()->jsgraph()->UndefinedConstant()); |
232 } | 232 } |
233 | 233 |
234 | 234 |
235 AstGraphBuilder::AstContext::AstContext(AstGraphBuilder* own, | 235 AstGraphBuilder::AstContext::AstContext(AstGraphBuilder* own, |
236 Expression::Context kind) | 236 Expression::Context kind) |
237 : kind_(kind), owner_(own), outer_(own->ast_context()) { | 237 : kind_(kind), owner_(own), outer_(own->ast_context()) { |
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2013 UNREACHABLE(); | 2013 UNREACHABLE(); |
2014 js_op = NULL; | 2014 js_op = NULL; |
2015 } | 2015 } |
2016 return NewNode(js_op, left, right); | 2016 return NewNode(js_op, left, right); |
2017 } | 2017 } |
2018 | 2018 |
2019 | 2019 |
2020 void AstGraphBuilder::PrepareFrameState(Node* node, BailoutId ast_id, | 2020 void AstGraphBuilder::PrepareFrameState(Node* node, BailoutId ast_id, |
2021 OutputFrameStateCombine combine) { | 2021 OutputFrameStateCombine combine) { |
2022 if (OperatorProperties::HasFrameStateInput(node->op())) { | 2022 if (OperatorProperties::HasFrameStateInput(node->op())) { |
2023 DCHECK(NodeProperties::GetFrameStateInput(node)->opcode() == | 2023 int frame_state_index = NodeProperties::GetFrameStateIndex(node); |
2024 IrOpcode::kDead); | 2024 |
2025 NodeProperties::ReplaceFrameStateInput( | 2025 DCHECK(node->InputAt(frame_state_index)->op()->opcode() == IrOpcode::kDead); |
2026 node, environment()->Checkpoint(ast_id, combine)); | 2026 |
| 2027 Node* frame_state_node = environment()->Checkpoint(ast_id, combine); |
| 2028 node->ReplaceInput(frame_state_index, frame_state_node); |
2027 } | 2029 } |
2028 } | 2030 } |
2029 | 2031 |
2030 } | 2032 } |
2031 } | 2033 } |
2032 } // namespace v8::internal::compiler | 2034 } // namespace v8::internal::compiler |
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