mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/*
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* Copyright (C) 2011-2018 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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#pragma once
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#if ENABLE(DFG_JIT)
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#include "CompilerTimingScope.h"
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#include "DFGCommon.h"
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#include "DFGGraph.h"
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namespace JSC { namespace DFG {
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class Phase {
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public:
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Phase(Graph& graph, const char* name)
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: m_graph(graph)
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, m_name(name)
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{
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beginPhase();
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}
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~Phase()
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{
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endPhase();
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}
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const char* name() const { return m_name; }
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Graph& graph() { return m_graph; }
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// Each phase must have a run() method.
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Prefix prefix;
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protected:
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// Things you need to have a DFG compiler phase.
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Graph& m_graph;
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VM& vm() { return m_graph.m_vm; }
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CodeBlock* codeBlock() { return m_graph.m_codeBlock; }
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CodeBlock* profiledBlock() { return m_graph.m_profiledBlock; }
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// This runs validation, and uses the graph dump before the phase if possible.
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void validate();
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const char* m_name;
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private:
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// Call these hooks when starting and finishing.
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void beginPhase();
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void endPhase();
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CString m_graphDumpBeforePhase;
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};
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template<typename PhaseType>
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bool runAndLog(PhaseType& phase)
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{
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CompilerTimingScope timingScope("DFG", phase.name());
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bool result = phase.run();
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if (result && logCompilationChanges(phase.graph().m_plan.mode()))
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dataLogLn(phase.graph().prefix(), "Phase ", phase.name(), " changed the IR.\n");
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return result;
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}
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template<typename PhaseType, typename... Args>
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bool runPhase(Graph& graph, Args... args)
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{
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PhaseType phase(graph, args...);
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return runAndLog(phase);
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}
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} } // namespace JSC::DFG
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#endif // ENABLE(DFG_JIT)
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