projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| ed1e77d3 A |
1 | /* |
| 2 | * Copyright (C) 2014, 2015 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * | |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef DFGPromoteHeapAccess_h | |
| 27 | #define DFGPromoteHeapAccess_h | |
| 28 | ||
| 29 | #if ENABLE(DFG_JIT) | |
| 30 | ||
| 31 | #include "DFGNode.h" | |
| 32 | #include "DFGPromotedHeapLocation.h" | |
| 33 | ||
| 34 | namespace JSC { namespace DFG { | |
| 35 | ||
| 36 | template<typename WriteFunctor, typename ReadFunctor> | |
| 37 | void promoteHeapAccess(Node* node, const WriteFunctor& write, const ReadFunctor& read) | |
| 38 | { | |
| 39 | switch (node->op()) { | |
| 40 | case CheckStructure: { | |
| 41 | if (node->child1()->isPhantomObjectAllocation()) | |
| 42 | read(PromotedHeapLocation(StructurePLoc, node->child1())); | |
| 43 | break; | |
| 44 | } | |
| 45 | ||
| 46 | case GetByOffset: | |
| 47 | case GetGetterSetterByOffset: { | |
| 48 | if (node->child2()->isPhantomObjectAllocation()) { | |
| 49 | unsigned identifierNumber = node->storageAccessData().identifierNumber; | |
| 50 | read(PromotedHeapLocation(NamedPropertyPLoc, node->child2(), identifierNumber)); | |
| 51 | } | |
| 52 | break; | |
| 53 | } | |
| 54 | ||
| 55 | case MultiGetByOffset: { | |
| 56 | if (node->child1()->isPhantomObjectAllocation()) { | |
| 57 | unsigned identifierNumber = node->multiGetByOffsetData().identifierNumber; | |
| 58 | read(PromotedHeapLocation(NamedPropertyPLoc, node->child1(), identifierNumber)); | |
| 59 | } | |
| 60 | break; | |
| 61 | } | |
| 62 | ||
| 63 | case GetClosureVar: | |
| 64 | if (node->child1()->isPhantomActivationAllocation()) | |
| 65 | read(PromotedHeapLocation(ClosureVarPLoc, node->child1(), node->scopeOffset().offset())); | |
| 66 | break; | |
| 67 | ||
| 68 | case SkipScope: | |
| 69 | if (node->child1()->isPhantomActivationAllocation()) | |
| 70 | read(PromotedHeapLocation(ActivationScopePLoc, node->child1())); | |
| 71 | break; | |
| 72 | ||
| 73 | case GetScope: | |
| 74 | if (node->child1()->isPhantomFunctionAllocation()) | |
| 75 | read(PromotedHeapLocation(FunctionActivationPLoc, node->child1())); | |
| 76 | break; | |
| 77 | ||
| 78 | case GetExecutable: | |
| 79 | if (node->child1()->isPhantomFunctionAllocation()) | |
| 80 | read(PromotedHeapLocation(FunctionExecutablePLoc, node->child1())); | |
| 81 | break; | |
| 82 | ||
| 83 | case PutHint: { | |
| 84 | ASSERT(node->child1()->isPhantomAllocation()); | |
| 85 | write( | |
| 86 | PromotedHeapLocation(node->child1().node(), node->promotedLocationDescriptor()), | |
| 87 | node->child2()); | |
| 88 | break; | |
| 89 | } | |
| 90 | ||
| 91 | default: | |
| 92 | break; | |
| 93 | } | |
| 94 | } | |
| 95 | ||
| 96 | } } // namespace JSC::DFG | |
| 97 | ||
| 98 | #endif // ENABLE(DFG_JIT) | |
| 99 | ||
| 100 | #endif // DFGPromoteHeapAccess_h | |
| 101 |