X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/2d39b0e377c0896910ee49ae70082ba665faf986..ed1e77d3adeb83d26fd1dfb16dd84cabdcefd250:/dfg/DFGInsertOSRHintsForUpdate.cpp?ds=sidebyside diff --git a/dfg/DFGInsertOSRHintsForUpdate.cpp b/dfg/DFGInsertOSRHintsForUpdate.cpp new file mode 100644 index 0000000..a187678 --- /dev/null +++ b/dfg/DFGInsertOSRHintsForUpdate.cpp @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2014 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 "DFGInsertOSRHintsForUpdate.h" + +#if ENABLE(DFG_JIT) + +#include "JSCInlines.h" + +namespace JSC { namespace DFG { + +void insertOSRHintsForUpdate( + InsertionSet& insertionSet, unsigned nodeIndex, NodeOrigin origin, + AvailabilityMap& availability, Node* originalNode, Node* newNode) +{ + for (unsigned i = availability.m_locals.size(); i--;) { + int operand = availability.m_locals.operandForIndex(i); + + if (availability.m_locals[i].hasNode() && availability.m_locals[i].node() == originalNode) { + insertionSet.insertNode( + nodeIndex, SpecNone, MovHint, origin, OpInfo(operand), + newNode->defaultEdge()); + } + } + + for (auto pair : availability.m_heap) { + if (pair.value.hasNode() && pair.value.node() == originalNode) { + insertionSet.insert( + nodeIndex, pair.key.createHint(insertionSet.graph(), origin, newNode)); + } + } +} + +} } // namespace JSC::DFG + +#endif // ENABLE(DFG_JIT) +