mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*
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* Copyright (C) 2013, 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DFGAtTailAbstractState.h"
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#include "DFGBlockMapInlines.h"
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#if ENABLE(DFG_JIT)
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#include "JSCJSValueInlines.h"
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namespace JSC { namespace DFG {
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AtTailAbstractState::AtTailAbstractState(Graph& graph)
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: m_graph(graph)
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, m_valuesAtTailMap(m_graph)
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{
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for (BasicBlock* block : graph.blocksInNaturalOrder()) {
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auto& valuesAtTail = m_valuesAtTailMap.at(block);
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valuesAtTail.clear();
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for (auto& valueAtTailPair : block->ssa->valuesAtTail)
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valuesAtTail.add(valueAtTailPair.node, valueAtTailPair.value);
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}
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}
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AtTailAbstractState::~AtTailAbstractState() { }
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void AtTailAbstractState::createValueForNode(NodeFlowProjection node)
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{
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m_valuesAtTailMap.at(m_block).add(node, AbstractValue());
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}
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AbstractValue& AtTailAbstractState::forNode(NodeFlowProjection node)
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{
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auto& valuesAtTail = m_valuesAtTailMap.at(m_block);
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HashMap<NodeFlowProjection, AbstractValue>::iterator iter = valuesAtTail.find(node);
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DFG_ASSERT(m_graph, node.node(), iter != valuesAtTail.end());
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return iter->value;
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}
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} } // namespace JSC::DFG
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#endif // ENABLE(DFG_JIT)
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