1/*
2 * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(DFG_JIT)
29
30#include "DFGDominators.h"
31#include <wtf/FastMalloc.h>
32#include <wtf/NaturalLoops.h>
33#include <wtf/Noncopyable.h>
34
35namespace JSC { namespace DFG {
36
37template <typename CFGKind>
38class NaturalLoops : public WTF::NaturalLoops<CFGKind> {
39 WTF_MAKE_NONCOPYABLE(NaturalLoops);
40 WTF_MAKE_FAST_ALLOCATED;
41public:
42 NaturalLoops(Graph& graph)
43 : WTF::NaturalLoops<CFGKind>(selectCFG<CFGKind>(graph), ensureDominatorsForCFG<CFGKind>(graph), validationEnabled())
44 {
45 }
46};
47
48using SSANaturalLoop = WTF::NaturalLoop<SSACFG>;
49using CPSNaturalLoop = WTF::NaturalLoop<CPSCFG>;
50
51} } // namespace JSC::DFG
52
53#endif // ENABLE(DFG_JIT)
54