JavaScriptCore-7600.1.4.9.tar.gz

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

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
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#ifndef DFGMergeMode_h
#define DFGMergeMode_h

namespace JSC { namespace DFG {

enum MergeMode {
    // Don't merge the state in AbstractState with basic blocks.
    DontMerge,
    
    // Merge the state in AbstractState with the tail of the basic
    // block being analyzed.
    MergeToTail,
    
    // Merge the state in AbstractState with the tail of the basic
    // block, and with the heads of successor blocks.
    MergeToSuccessors
};

} } // namespace JSC::DFG

#endif // DFGMergeMode_h