1 files changed, 0 insertions, 124 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGEpoch.h b/Source/JavaScriptCore/dfg/DFGEpoch.h
deleted file mode 100644
index 9865dd7e0..000000000
--- a/Source/JavaScriptCore/dfg/DFGEpoch.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2015 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 DFGEpoch_h
-#define DFGEpoch_h
-
-#if ENABLE(DFG_JIT)
-
-#include <wtf/PrintStream.h>
-
-namespace JSC { namespace DFG {
-
-// Utility class for epoch-based analyses.
-
-class Epoch {
-public:
-    Epoch()
-        : m_epoch(s_none)
-    {
-    }
-    
-    static Epoch fromUnsigned(unsigned value)
-    {
-        Epoch result;
-        result.m_epoch = value;
-        return result;
-    }
-    
-    unsigned toUnsigned() const
-    {
-        return m_epoch;
-    }
-    
-    static Epoch first()
-    {
-        Epoch result;
-        result.m_epoch = s_first;
-        return result;
-    }
-    
-    bool operator!() const
-    {
-        return m_epoch == s_none;
-    }
-    
-    Epoch next() const
-    {
-        Epoch result;
-        result.m_epoch = m_epoch + 1;
-        return result;
-    }
-    
-    void bump()
-    {
-        *this = next();
-    }
-    
-    bool operator==(const Epoch& other) const
-    {
-        return m_epoch == other.m_epoch;
-    }
-    
-    bool operator!=(const Epoch& other) const
-    {
-        return !(*this == other);
-    }
-    
-    bool operator<(const Epoch& other) const
-    {
-        return m_epoch < other.m_epoch;
-    }
-    
-    bool operator>(const Epoch& other) const
-    {
-        return other < *this;
-    }
-    
-    bool operator<=(const Epoch& other) const
-    {
-        return !(*this > other);
-    }
-    
-    bool operator>=(const Epoch& other) const
-    {
-        return !(*this < other);
-    }
-    
-    void dump(PrintStream&) const;
-    
-private:
-    static const unsigned s_none = 0;
-    static const unsigned s_first = 1;
-    
-    unsigned m_epoch;
-};
-
-} } // namespace JSC::DFG
-
-#endif // ENABLE(DFG_JIT)
-
-#endif // DFGEpoch_h
-