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/*
* Copyright (C) 2011, 2012 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.
*/
#ifndef DFGPhase_h
#define DFGPhase_h
#if ENABLE(DFG_JIT)
#include "DFGCommon.h"
#include "DFGGraph.h"
namespace JSC { namespace DFG {
class Phase {
public:
Phase(Graph& graph, const char* name)
: m_graph(graph)
, m_name(name)
{
beginPhase();
}
~Phase()
{
endPhase();
}
const char* name() const { return m_name; }
Graph& graph() { return m_graph; }
// Each phase must have a run() method.
protected:
// Things you need to have a DFG compiler phase.
Graph& m_graph;
VM& vm() { return m_graph.m_vm; }
CodeBlock* codeBlock() { return m_graph.m_codeBlock; }
CodeBlock* profiledBlock() { return m_graph.m_profiledBlock; }
// This runs validation, and uses the graph dump before the phase if possible.
void validate();
const char* m_name;
private:
// Call these hooks when starting and finishing.
void beginPhase();
void endPhase();
CString m_graphDumpBeforePhase;
};
template<typename PhaseType>
bool runAndLog(PhaseType& phase)
{
bool result = phase.run();
if (result && logCompilationChanges(phase.graph().m_plan.mode))
dataLogF("Phase %s changed the IR.\n", phase.name());
return result;
}
template<typename PhaseType>
bool runPhase(Graph& graph)
{
PhaseType phase(graph);
return runAndLog(phase);
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
#endif // DFGPhase_h
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