/* * Copyright (C) 2013 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 "DFGResurrectionForValidationPhase.h" #if ENABLE(DFG_JIT) #include "DFGBasicBlockInlines.h" #include "DFGGraph.h" #include "DFGInsertionSet.h" #include "DFGPhase.h" #include "JSCInlines.h" namespace JSC { namespace DFG { class ResurrectionForValidationPhase : public Phase { public: ResurrectionForValidationPhase(Graph& graph) : Phase(graph, "resurrection for validation") { } bool run() { InsertionSet insertionSet(m_graph); for (BlockIndex blockIndex = m_graph.numBlocks(); blockIndex--;) { BasicBlock* block = m_graph.block(blockIndex); if (!block) continue; for (unsigned nodeIndex = 0; nodeIndex < block->size(); ++nodeIndex) { Node* node = block->at(nodeIndex); if (!node->hasResult()) continue; insertionSet.insertNode( nodeIndex + 1, SpecNone, Phantom, node->origin, node->defaultEdge()); } insertionSet.execute(block); } return true; } }; bool performResurrectionForValidation(Graph& graph) { SamplingRegion samplingRegion("DFG Resurrection For Validation Phase"); return runPhase<ResurrectionForValidationPhase>(graph); } } } // namespace JSC::DFG #endif // ENABLE(DFG_JIT)