| /* |
| * Copyright (C) 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "DFGInferredTypeCheck.h" |
| |
| #if ENABLE(DFG_JIT) |
| |
| #include "JSCInlines.h" |
| |
| namespace JSC { namespace DFG { |
| |
| void insertInferredTypeCheck( |
| InsertionSet& insertionSet, unsigned nodeIndex, NodeOrigin origin, Node* baseNode, |
| const InferredType::Descriptor& type) |
| { |
| insertionSet.graph().registerInferredType(type); |
| |
| switch (type.kind()) { |
| case InferredType::Bottom: |
| insertionSet.insertNode(nodeIndex, SpecNone, ForceOSRExit, origin); |
| return; |
| |
| case InferredType::Boolean: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, BooleanUse)); |
| return; |
| |
| case InferredType::Other: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, OtherUse)); |
| return; |
| |
| case InferredType::Int32: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, Int32Use)); |
| return; |
| |
| case InferredType::Number: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, NumberUse)); |
| return; |
| |
| case InferredType::String: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, StringUse)); |
| return; |
| |
| case InferredType::Symbol: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, SymbolUse)); |
| return; |
| |
| case InferredType::ObjectWithStructure: |
| insertionSet.insertNode( |
| nodeIndex, SpecNone, CheckStructure, origin, |
| OpInfo(insertionSet.graph().addStructureSet(type.structure())), |
| Edge(baseNode, CellUse)); |
| return; |
| |
| case InferredType::ObjectWithStructureOrOther: |
| insertionSet.insertNode( |
| nodeIndex, SpecNone, CheckStructure, origin, |
| OpInfo(insertionSet.graph().addStructureSet(type.structure())), |
| Edge(baseNode, CellOrOtherUse)); |
| return; |
| |
| case InferredType::Object: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, ObjectUse)); |
| return; |
| |
| case InferredType::ObjectOrOther: |
| insertionSet.insertNode(nodeIndex, SpecNone, Check, origin, Edge(baseNode, ObjectOrOtherUse)); |
| return; |
| |
| case InferredType::Top: |
| return; |
| } |
| |
| DFG_CRASH(insertionSet.graph(), baseNode, "Bad inferred type"); |
| } |
| |
| } } // namespace JSC::DFG |
| |
| #endif // ENABLE(DFG_JIT) |
| |