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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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1624 | 1624 |
1625 { | 1625 { |
1626 v8::HandleScope scope(CcTest::isolate()); | 1626 v8::HandleScope scope(CcTest::isolate()); |
1627 CompileRun(raw_source); | 1627 CompileRun(raw_source); |
1628 } | 1628 } |
1629 | 1629 |
1630 // The script should be in the cache now. | 1630 // The script should be in the cache now. |
1631 MaybeHandle<SharedFunctionInfo> info = compilation_cache->LookupScript( | 1631 MaybeHandle<SharedFunctionInfo> info = compilation_cache->LookupScript( |
1632 source, Handle<Object>(), 0, 0, | 1632 source, Handle<Object>(), 0, 0, |
1633 v8::ScriptOriginOptions(false, true, false), native_context, | 1633 v8::ScriptOriginOptions(false, true, false), native_context, |
1634 language_mode); | 1634 language_mode, false); |
1635 CHECK(!info.is_null()); | 1635 CHECK(!info.is_null()); |
1636 | 1636 |
1637 // Check that the code cache entry survives at least on GC. | 1637 // Check that the code cache entry survives at least on GC. |
1638 // (Unless --optimize-for-size, in which case it might get collected | 1638 // (Unless --optimize-for-size, in which case it might get collected |
1639 // immediately.) | 1639 // immediately.) |
1640 if (!FLAG_optimize_for_size) { | 1640 if (!FLAG_optimize_for_size) { |
1641 heap->CollectAllGarbage(); | 1641 heap->CollectAllGarbage(); |
1642 info = compilation_cache->LookupScript( | 1642 info = compilation_cache->LookupScript( |
1643 source, Handle<Object>(), 0, 0, | 1643 source, Handle<Object>(), 0, 0, |
1644 v8::ScriptOriginOptions(false, true, false), native_context, | 1644 v8::ScriptOriginOptions(false, true, false), native_context, |
1645 language_mode); | 1645 language_mode, false); |
1646 CHECK(!info.is_null()); | 1646 CHECK(!info.is_null()); |
1647 } | 1647 } |
1648 | 1648 |
1649 // Progress code age until it's old and ready for GC. | 1649 // Progress code age until it's old and ready for GC. |
1650 while (!info.ToHandleChecked()->code()->IsOld()) { | 1650 while (!info.ToHandleChecked()->code()->IsOld()) { |
1651 // To guarantee progress, we have to MakeOlder with different parities. | 1651 // To guarantee progress, we have to MakeOlder with different parities. |
1652 // We can't just use NO_MARKING_PARITY, since e.g. kExecutedOnceCodeAge is | 1652 // We can't just use NO_MARKING_PARITY, since e.g. kExecutedOnceCodeAge is |
1653 // always NO_MARKING_PARITY and the code age only progresses if the parity | 1653 // always NO_MARKING_PARITY and the code age only progresses if the parity |
1654 // is different. | 1654 // is different. |
1655 info.ToHandleChecked()->code()->MakeOlder(ODD_MARKING_PARITY); | 1655 info.ToHandleChecked()->code()->MakeOlder(ODD_MARKING_PARITY); |
1656 info.ToHandleChecked()->code()->MakeOlder(EVEN_MARKING_PARITY); | 1656 info.ToHandleChecked()->code()->MakeOlder(EVEN_MARKING_PARITY); |
1657 } | 1657 } |
1658 | 1658 |
1659 heap->CollectAllGarbage(); | 1659 heap->CollectAllGarbage(); |
1660 // Ensure code aging cleared the entry from the cache. | 1660 // Ensure code aging cleared the entry from the cache. |
1661 info = compilation_cache->LookupScript( | 1661 info = compilation_cache->LookupScript( |
1662 source, Handle<Object>(), 0, 0, | 1662 source, Handle<Object>(), 0, 0, |
1663 v8::ScriptOriginOptions(false, true, false), native_context, | 1663 v8::ScriptOriginOptions(false, true, false), native_context, |
1664 language_mode); | 1664 language_mode, false); |
1665 CHECK(info.is_null()); | 1665 CHECK(info.is_null()); |
1666 } | 1666 } |
1667 | 1667 |
1668 | 1668 |
1669 static void OptimizeEmptyFunction(const char* name) { | 1669 static void OptimizeEmptyFunction(const char* name) { |
1670 HandleScope scope(CcTest::i_isolate()); | 1670 HandleScope scope(CcTest::i_isolate()); |
1671 EmbeddedVector<char, 256> source; | 1671 EmbeddedVector<char, 256> source; |
1672 SNPrintF(source, | 1672 SNPrintF(source, |
1673 "function %s() { return 0; }" | 1673 "function %s() { return 0; }" |
1674 "%s(); %s();" | 1674 "%s(); %s();" |
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6871 chunk, chunk->area_end() - kPointerSize, chunk->area_end()); | 6871 chunk, chunk->area_end() - kPointerSize, chunk->area_end()); |
6872 slots[chunk->area_end() - kPointerSize] = false; | 6872 slots[chunk->area_end() - kPointerSize] = false; |
6873 RememberedSet<OLD_TO_NEW>::Iterate(chunk, [&slots](Address addr) { | 6873 RememberedSet<OLD_TO_NEW>::Iterate(chunk, [&slots](Address addr) { |
6874 CHECK(slots[addr]); | 6874 CHECK(slots[addr]); |
6875 return KEEP_SLOT; | 6875 return KEEP_SLOT; |
6876 }); | 6876 }); |
6877 } | 6877 } |
6878 | 6878 |
6879 } // namespace internal | 6879 } // namespace internal |
6880 } // namespace v8 | 6880 } // namespace v8 |
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