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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-type-feedback.h" | 5 #include "src/compiler/js-type-feedback.h" |
6 | 6 |
7 #include "src/property-details.h" | 7 #include "src/property-details.h" |
8 | 8 |
9 #include "src/accessors.h" | 9 #include "src/accessors.h" |
10 #include "src/ast.h" | 10 #include "src/ast.h" |
11 #include "src/type-info.h" | 11 #include "src/type-info.h" |
12 | 12 |
13 #include "src/compiler/access-builder.h" | 13 #include "src/compiler/access-builder.h" |
14 #include "src/compiler/common-operator.h" | 14 #include "src/compiler/common-operator.h" |
15 #include "src/compiler/node-aux-data.h" | 15 #include "src/compiler/node-aux-data.h" |
16 #include "src/compiler/node-matchers.h" | 16 #include "src/compiler/node-matchers.h" |
| 17 #include "src/compiler/operator-properties.h" |
17 #include "src/compiler/simplified-operator.h" | 18 #include "src/compiler/simplified-operator.h" |
18 | 19 |
19 namespace v8 { | 20 namespace v8 { |
20 namespace internal { | 21 namespace internal { |
21 namespace compiler { | 22 namespace compiler { |
22 | 23 |
23 enum LoadOrStore { LOAD, STORE }; | 24 enum LoadOrStore { LOAD, STORE }; |
24 | 25 |
25 JSTypeFeedbackTable::JSTypeFeedbackTable(Zone* zone) | 26 JSTypeFeedbackTable::JSTypeFeedbackTable(Zone* zone) |
26 : map_(TypeFeedbackIdMap::key_compare(), | 27 : map_(TypeFeedbackIdMap::key_compare(), |
27 TypeFeedbackIdMap::allocator_type(zone)) {} | 28 TypeFeedbackIdMap::allocator_type(zone)) {} |
28 | 29 |
29 | 30 |
30 void JSTypeFeedbackTable::Record(Node* node, TypeFeedbackId id) { | 31 void JSTypeFeedbackTable::Record(Node* node, TypeFeedbackId id) { |
31 map_.insert(std::make_pair(node->id(), id)); | 32 map_.insert(std::make_pair(node->id(), id)); |
32 } | 33 } |
33 | 34 |
34 | 35 |
35 Reduction JSTypeFeedbackSpecializer::Reduce(Node* node) { | 36 Reduction JSTypeFeedbackSpecializer::Reduce(Node* node) { |
36 switch (node->opcode()) { | 37 switch (node->opcode()) { |
37 case IrOpcode::kJSLoadProperty: { | 38 case IrOpcode::kJSLoadProperty: { |
38 HeapObjectMatcher<Name> match(node->InputAt(1)); | 39 HeapObjectMatcher<Name> match(node->InputAt(1)); |
39 if (match.HasValue() && match.Value().handle()->IsName()) { | 40 if (match.HasValue() && match.Value().handle()->IsName()) { |
40 // LoadProperty(o, "constant") => LoadNamed["constant"](o). | 41 // LoadProperty(o, "constant") => LoadNamed["constant"](o). |
41 Unique<Name> name = match.Value(); | 42 Unique<Name> name = match.Value(); |
42 const VectorSlotPair& feedback = | 43 const VectorSlotPair& feedback = |
43 LoadPropertyParametersOf(node->op()).feedback(); | 44 LoadPropertyParametersOf(node->op()).feedback(); |
44 node->set_op(jsgraph()->javascript()->LoadNamed(name, feedback)); | 45 node->set_op(jsgraph()->javascript()->LoadNamed(name, feedback, |
| 46 NOT_CONTEXTUAL, KEYED)); |
45 node->RemoveInput(1); | 47 node->RemoveInput(1); |
46 return ReduceJSLoadNamed(node); | 48 return ReduceJSLoadNamed(node); |
47 } | 49 } |
48 return ReduceJSLoadProperty(node); | 50 return ReduceJSLoadProperty(node); |
49 } | 51 } |
50 case IrOpcode::kJSLoadNamed: | 52 case IrOpcode::kJSLoadNamed: |
51 return ReduceJSLoadNamed(node); | 53 return ReduceJSLoadNamed(node); |
52 case IrOpcode::kJSStoreNamed: | 54 case IrOpcode::kJSStoreNamed: |
53 return ReduceJSStoreNamed(node); | 55 return ReduceJSStoreNamed(node); |
54 case IrOpcode::kJSStoreProperty: { | 56 case IrOpcode::kJSStoreProperty: { |
55 HeapObjectMatcher<Name> match(node->InputAt(1)); | 57 HeapObjectMatcher<Name> match(node->InputAt(1)); |
56 if (match.HasValue() && match.Value().handle()->IsName()) { | 58 if (match.HasValue() && match.Value().handle()->IsName()) { |
57 // StoreProperty(o, "constant", v) => StoreNamed["constant"](o, v). | 59 // StoreProperty(o, "constant", v) => StoreNamed["constant"](o, v). |
58 Unique<Name> name = match.Value(); | 60 Unique<Name> name = match.Value(); |
59 LanguageMode language_mode = OpParameter<LanguageMode>(node); | 61 LanguageMode language_mode = OpParameter<LanguageMode>(node); |
60 node->set_op(jsgraph()->javascript()->StoreNamed(language_mode, name)); | 62 if (FLAG_turbo_deoptimization) { |
| 63 // StoreProperty has 2 frame state inputs, but StoreNamed only 1. |
| 64 DCHECK_EQ(2, OperatorProperties::GetFrameStateInputCount(node->op())); |
| 65 node->RemoveInput(NodeProperties::FirstFrameStateIndex(node) + 1); |
| 66 } |
| 67 node->set_op( |
| 68 jsgraph()->javascript()->StoreNamed(language_mode, name, KEYED)); |
61 node->RemoveInput(1); | 69 node->RemoveInput(1); |
62 return ReduceJSStoreNamed(node); | 70 return ReduceJSStoreNamed(node); |
63 } | 71 } |
64 return ReduceJSStoreProperty(node); | 72 return ReduceJSStoreProperty(node); |
65 } | 73 } |
66 default: | 74 default: |
67 break; | 75 break; |
68 } | 76 } |
69 return NoChange(); | 77 return NoChange(); |
70 } | 78 } |
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276 // TODO(turbofan): filter maps by initial receiver map if known | 284 // TODO(turbofan): filter maps by initial receiver map if known |
277 // TODO(turbofan): filter maps by native context (if specializing) | 285 // TODO(turbofan): filter maps by native context (if specializing) |
278 // TODO(turbofan): filter maps by effect chain | 286 // TODO(turbofan): filter maps by effect chain |
279 oracle()->PropertyReceiverTypes(id, name, maps); | 287 oracle()->PropertyReceiverTypes(id, name, maps); |
280 } | 288 } |
281 | 289 |
282 | 290 |
283 } // namespace compiler | 291 } // namespace compiler |
284 } // namespace internal | 292 } // namespace internal |
285 } // namespace v8 | 293 } // namespace v8 |
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