From a89b2ebb8e192c5e8cea21079bda2ee2c0c7dddd Mon Sep 17 00:00:00 2001 From: Simon Hausmann Date: Fri, 25 May 2012 15:09:11 +0200 Subject: Imported WebKit commit eb5c1b8fe4d4b1b90b5137433fc58a91da0e6878 (http://svn.webkit.org/repository/webkit/trunk@118516) --- .../dfg/DFGArgumentsSimplificationPhase.h | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.h (limited to 'Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.h') diff --git a/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.h b/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.h new file mode 100644 index 000000000..e8a24019e --- /dev/null +++ b/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 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 DFGArgumentsSimplificationPhase_h +#define DFGArgumentsSimplificationPhase_h + +#include + +#if ENABLE(DFG_JIT) + +namespace JSC { namespace DFG { + +class Graph; + +// Simplifies reflective uses of the Arguments object: +// +// Inlined arguments.length -> constant +// Inlined arguments[constant] -> GetLocalUnlinked + +bool performArgumentsSimplification(Graph&); + +} } // namespace JSC::DFG + +#endif // ENABLE(DFG_JIT) + +#endif // DFGArgumentsSimplificationPhase_h + -- cgit v1.2.1