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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 <stdlib.h> | 5 #include <stdlib.h> |
6 #include <utility> | 6 #include <utility> |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/compilation-cache.h" | 10 #include "src/compilation-cache.h" |
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1106 Representation::Tagged(), | 1106 Representation::Tagged(), |
1107 INSERT_TRANSITION).ToHandleChecked(); | 1107 INSERT_TRANSITION).ToHandleChecked(); |
1108 | 1108 |
1109 // Create |obj_value| in old space. | 1109 // Create |obj_value| in old space. |
1110 Handle<HeapObject> obj_value; | 1110 Handle<HeapObject> obj_value; |
1111 Page* ec_page; | 1111 Page* ec_page; |
1112 { | 1112 { |
1113 AlwaysAllocateScope always_allocate(isolate); | 1113 AlwaysAllocateScope always_allocate(isolate); |
1114 // Make sure |obj_value| is placed on an old-space evacuation candidate. | 1114 // Make sure |obj_value| is placed on an old-space evacuation candidate. |
1115 SimulateFullSpace(old_space); | 1115 SimulateFullSpace(old_space); |
1116 obj_value = factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, | 1116 obj_value = factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, TENURED); |
1117 Strength::WEAK, TENURED); | |
1118 ec_page = Page::FromAddress(obj_value->address()); | 1117 ec_page = Page::FromAddress(obj_value->address()); |
1119 } | 1118 } |
1120 | 1119 |
1121 // Create object in new space. | 1120 // Create object in new space. |
1122 Handle<JSObject> obj = factory->NewJSObjectFromMap(map, NOT_TENURED); | 1121 Handle<JSObject> obj = factory->NewJSObjectFromMap(map, NOT_TENURED); |
1123 | 1122 |
1124 Handle<HeapNumber> heap_number = factory->NewHeapNumber(42.5); | 1123 Handle<HeapNumber> heap_number = factory->NewHeapNumber(42.5); |
1125 obj->WriteToField(0, *heap_number); | 1124 obj->WriteToField(0, *heap_number); |
1126 obj->WriteToField(1, *obj_value); | 1125 obj->WriteToField(1, *obj_value); |
1127 | 1126 |
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1446 Handle<JSObject> obj; | 1445 Handle<JSObject> obj; |
1447 Handle<HeapObject> obj_value; | 1446 Handle<HeapObject> obj_value; |
1448 Page* ec_page; | 1447 Page* ec_page; |
1449 { | 1448 { |
1450 AlwaysAllocateScope always_allocate(isolate); | 1449 AlwaysAllocateScope always_allocate(isolate); |
1451 obj = factory->NewJSObjectFromMap(map, TENURED); | 1450 obj = factory->NewJSObjectFromMap(map, TENURED); |
1452 CHECK(old_space->Contains(*obj)); | 1451 CHECK(old_space->Contains(*obj)); |
1453 | 1452 |
1454 // Make sure |obj_value| is placed on an old-space evacuation candidate. | 1453 // Make sure |obj_value| is placed on an old-space evacuation candidate. |
1455 SimulateFullSpace(old_space); | 1454 SimulateFullSpace(old_space); |
1456 obj_value = factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, | 1455 obj_value = factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, TENURED); |
1457 Strength::WEAK, TENURED); | |
1458 ec_page = Page::FromAddress(obj_value->address()); | 1456 ec_page = Page::FromAddress(obj_value->address()); |
1459 CHECK_NE(ec_page, Page::FromAddress(obj->address())); | 1457 CHECK_NE(ec_page, Page::FromAddress(obj->address())); |
1460 } | 1458 } |
1461 | 1459 |
1462 // Heap is ready, force |ec_page| to become an evacuation candidate and | 1460 // Heap is ready, force |ec_page| to become an evacuation candidate and |
1463 // simulate incremental marking. | 1461 // simulate incremental marking. |
1464 ec_page->SetFlag(MemoryChunk::FORCE_EVACUATION_CANDIDATE_FOR_TESTING); | 1462 ec_page->SetFlag(MemoryChunk::FORCE_EVACUATION_CANDIDATE_FOR_TESTING); |
1465 SimulateIncrementalMarking(heap); | 1463 SimulateIncrementalMarking(heap); |
1466 | 1464 |
1467 // Check that everything is ready for triggering incremental write barrier | 1465 // Check that everything is ready for triggering incremental write barrier |
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1554 | 1552 |
1555 // TODO(ishell): add respective tests for property kind reconfiguring from | 1553 // TODO(ishell): add respective tests for property kind reconfiguring from |
1556 // accessor field to double, once accessor fields are supported by | 1554 // accessor field to double, once accessor fields are supported by |
1557 // Map::ReconfigureProperty(). | 1555 // Map::ReconfigureProperty(). |
1558 | 1556 |
1559 | 1557 |
1560 // TODO(ishell): add respective tests for fast property removal case once | 1558 // TODO(ishell): add respective tests for fast property removal case once |
1561 // Map::ReconfigureProperty() supports that. | 1559 // Map::ReconfigureProperty() supports that. |
1562 | 1560 |
1563 #endif | 1561 #endif |
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