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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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2815 | 2815 |
2816 Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); | 2816 Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
2817 CHECK(ic_before->ic_state() == MONOMORPHIC); | 2817 CHECK(ic_before->ic_state() == MONOMORPHIC); |
2818 | 2818 |
2819 // Fire context dispose notification. | 2819 // Fire context dispose notification. |
2820 v8::V8::ContextDisposedNotification(); | 2820 v8::V8::ContextDisposedNotification(); |
2821 SimulateIncrementalMarking(); | 2821 SimulateIncrementalMarking(); |
2822 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags); | 2822 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags); |
2823 | 2823 |
2824 Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); | 2824 Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
2825 CHECK(ic_after->ic_state() == UNINITIALIZED); | 2825 CHECK(IC::IsCleared(ic_after)); |
2826 } | 2826 } |
2827 | 2827 |
2828 | 2828 |
2829 TEST(IncrementalMarkingClearsPolymorhpicIC) { | 2829 TEST(IncrementalMarkingClearsPolymorhpicIC) { |
2830 if (i::FLAG_always_opt) return; | 2830 if (i::FLAG_always_opt) return; |
2831 CcTest::InitializeVM(); | 2831 CcTest::InitializeVM(); |
2832 v8::HandleScope scope(CcTest::isolate()); | 2832 v8::HandleScope scope(CcTest::isolate()); |
2833 v8::Local<v8::Value> obj1, obj2; | 2833 v8::Local<v8::Value> obj1, obj2; |
2834 | 2834 |
2835 { | 2835 { |
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2856 | 2856 |
2857 Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); | 2857 Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
2858 CHECK(ic_before->ic_state() == POLYMORPHIC); | 2858 CHECK(ic_before->ic_state() == POLYMORPHIC); |
2859 | 2859 |
2860 // Fire context dispose notification. | 2860 // Fire context dispose notification. |
2861 v8::V8::ContextDisposedNotification(); | 2861 v8::V8::ContextDisposedNotification(); |
2862 SimulateIncrementalMarking(); | 2862 SimulateIncrementalMarking(); |
2863 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags); | 2863 CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags); |
2864 | 2864 |
2865 Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); | 2865 Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
2866 CHECK(ic_after->ic_state() == UNINITIALIZED); | 2866 CHECK(IC::IsCleared(ic_after)); |
2867 } | 2867 } |
2868 | 2868 |
2869 | 2869 |
2870 class SourceResource: public v8::String::ExternalAsciiStringResource { | 2870 class SourceResource: public v8::String::ExternalAsciiStringResource { |
2871 public: | 2871 public: |
2872 explicit SourceResource(const char* data) | 2872 explicit SourceResource(const char* data) |
2873 : data_(data), length_(strlen(data)) { } | 2873 : data_(data), length_(strlen(data)) { } |
2874 | 2874 |
2875 virtual void Dispose() { | 2875 virtual void Dispose() { |
2876 i::DeleteArray(data_); | 2876 i::DeleteArray(data_); |
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3440 " var a = new Array(n);" | 3440 " var a = new Array(n);" |
3441 " for (var i = 0; i < n; i += 100) a[i] = i;" | 3441 " for (var i = 0; i < n; i += 100) a[i] = i;" |
3442 "};" | 3442 "};" |
3443 "f(10 * 1024 * 1024);"); | 3443 "f(10 * 1024 * 1024);"); |
3444 IncrementalMarking* marking = CcTest::heap()->incremental_marking(); | 3444 IncrementalMarking* marking = CcTest::heap()->incremental_marking(); |
3445 if (marking->IsStopped()) marking->Start(); | 3445 if (marking->IsStopped()) marking->Start(); |
3446 // This big step should be sufficient to mark the whole array. | 3446 // This big step should be sufficient to mark the whole array. |
3447 marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); | 3447 marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
3448 ASSERT(marking->IsComplete()); | 3448 ASSERT(marking->IsComplete()); |
3449 } | 3449 } |
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