JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / dfg / DFGCPSRethreadingPhase.h

/*
 * 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
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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#ifndef DFGCPSRethreadingPhase_h
#define DFGCPSRethreadingPhase_h

#if ENABLE(DFG_JIT)

namespace JSC { namespace DFG {

class Graph;

// CPS Rethreading:
//
// Takes a graph in which there are arbitrary GetLocals/SetLocals with no connections
// between them. Removes redundant ones in the case of uncaptured variables. Connects
// all of them with Phi functions to represent live ranges.

bool performCPSRethreading(Graph&);

} } // namespace JSC::DFG

#endif // ENABLE(DFG_JIT)

#endif // DFGCPSRethreadingPhase_h