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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(ast_id, combine); | 227 const Operator* op = common()->FrameState(JS_FRAME, 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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| 2008 UNREACHABLE(); | 2008 UNREACHABLE(); |
| 2009 js_op = NULL; | 2009 js_op = NULL; |
| 2010 } | 2010 } |
| 2011 return NewNode(js_op, left, right); | 2011 return NewNode(js_op, left, right); |
| 2012 } | 2012 } |
| 2013 | 2013 |
| 2014 | 2014 |
| 2015 void AstGraphBuilder::PrepareFrameState(Node* node, BailoutId ast_id, | 2015 void AstGraphBuilder::PrepareFrameState(Node* node, BailoutId ast_id, |
| 2016 OutputFrameStateCombine combine) { | 2016 OutputFrameStateCombine combine) { |
| 2017 if (OperatorProperties::HasFrameStateInput(node->op())) { | 2017 if (OperatorProperties::HasFrameStateInput(node->op())) { |
| 2018 int frame_state_index = NodeProperties::GetFrameStateIndex(node); | 2018 DCHECK(NodeProperties::GetFrameStateInput(node)->opcode() == |
| 2019 | 2019 IrOpcode::kDead); |
| 2020 DCHECK(node->InputAt(frame_state_index)->op()->opcode() == IrOpcode::kDead); | 2020 NodeProperties::ReplaceFrameStateInput( |
| 2021 | 2021 node, environment()->Checkpoint(ast_id, combine)); |
| 2022 Node* frame_state_node = environment()->Checkpoint(ast_id, combine); | |
| 2023 node->ReplaceInput(frame_state_index, frame_state_node); | |
| 2024 } | 2022 } |
| 2025 } | 2023 } |
| 2026 | 2024 |
| 2027 } | 2025 } |
| 2028 } | 2026 } |
| 2029 } // namespace v8::internal::compiler | 2027 } // namespace v8::internal::compiler |
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