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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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/js-native-context-specialization.h" | 5 #include "src/compiler/js-native-context-specialization.h" |
| 6 | 6 |
| 7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
| 8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
| 9 #include "src/compilation-dependencies.h" | 9 #include "src/compilation-dependencies.h" |
| 10 #include "src/compiler/access-builder.h" | 10 #include "src/compiler/access-builder.h" |
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| 1675 return ValueEffectControl(value, effect, control); | 1675 return ValueEffectControl(value, effect, control); |
| 1676 } | 1676 } |
| 1677 | 1677 |
| 1678 Reduction JSNativeContextSpecialization::ReduceJSStoreDataPropertyInLiteral( | 1678 Reduction JSNativeContextSpecialization::ReduceJSStoreDataPropertyInLiteral( |
| 1679 Node* node) { | 1679 Node* node) { |
| 1680 DCHECK_EQ(IrOpcode::kJSStoreDataPropertyInLiteral, node->opcode()); | 1680 DCHECK_EQ(IrOpcode::kJSStoreDataPropertyInLiteral, node->opcode()); |
| 1681 | 1681 |
| 1682 // If deoptimization is disabled, we cannot optimize. | 1682 // If deoptimization is disabled, we cannot optimize. |
| 1683 if (!(flags() & kDeoptimizationEnabled)) return NoChange(); | 1683 if (!(flags() & kDeoptimizationEnabled)) return NoChange(); |
| 1684 | 1684 |
| 1685 DataPropertyParameters const& p = DataPropertyParametersOf(node->op()); | 1685 FeedbackParameter const& p = FeedbackParameterOf(node->op()); |
| 1686 | 1686 |
| 1687 if (!p.feedback().IsValid()) return NoChange(); | 1687 if (!p.feedback().IsValid()) return NoChange(); |
| 1688 | 1688 |
| 1689 StoreDataPropertyInLiteralICNexus nexus(p.feedback().vector(), | 1689 StoreDataPropertyInLiteralICNexus nexus(p.feedback().vector(), |
| 1690 p.feedback().slot()); | 1690 p.feedback().slot()); |
| 1691 if (nexus.IsUninitialized()) { | 1691 if (nexus.IsUninitialized()) { |
| 1692 return NoChange(); | 1692 return NoChange(); |
| 1693 } | 1693 } |
| 1694 | 1694 |
| 1695 if (nexus.ic_state() == MEGAMORPHIC) { | 1695 if (nexus.ic_state() == MEGAMORPHIC) { |
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| 2328 return jsgraph()->javascript(); | 2328 return jsgraph()->javascript(); |
| 2329 } | 2329 } |
| 2330 | 2330 |
| 2331 SimplifiedOperatorBuilder* JSNativeContextSpecialization::simplified() const { | 2331 SimplifiedOperatorBuilder* JSNativeContextSpecialization::simplified() const { |
| 2332 return jsgraph()->simplified(); | 2332 return jsgraph()->simplified(); |
| 2333 } | 2333 } |
| 2334 | 2334 |
| 2335 } // namespace compiler | 2335 } // namespace compiler |
| 2336 } // namespace internal | 2336 } // namespace internal |
| 2337 } // namespace v8 | 2337 } // namespace v8 |
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