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-/*
- * Copyright (C) 2011 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 DFGArithNodeFlagsInferencePhase_h
-#define DFGArithNodeFlagsInferencePhase_h
-
-#include <wtf/Platform.h>
-
-#if ENABLE(DFG_JIT)
-
-namespace JSC { namespace DFG {
-
-class Graph;
-
-// Determine which arithmetic nodes' results are only used in a context that
-// truncates to integer anyway. This is great for optimizing away checks for
-// overflow and negative zero. NB the way this phase integrates into the rest
-// of the DFG makes it non-optional. Instead of proving that a node is only
-// used in integer context, it actually does the opposite: finds nodes that
-// are used in non-integer contexts. Hence failing to run this phase will make
-// the compiler assume that all nodes are just used as integers!
-
-void performArithNodeFlagsInference(Graph&);
-
-} } // namespace JSC::DFG::Phase
-
-#endif // ENABLE(DFG_JIT)
-
-#endif // DFGArithNodeFlagsInferencePhase_h