1/*
2 * Copyright (C) 2011-2017 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 "DFGCFG.h"
31#include "DFGGraph.h"
32#include <wtf/Dominators.h>
33#include <wtf/FastMalloc.h>
34#include <wtf/Noncopyable.h>
35
36namespace JSC { namespace DFG {
37
38template <typename CFGKind>
39class Dominators : public WTF::Dominators<CFGKind> {
40 WTF_MAKE_NONCOPYABLE(Dominators);
41 WTF_MAKE_FAST_ALLOCATED;
42public:
43 Dominators(Graph& graph)
44 : WTF::Dominators<CFGKind>(selectCFG<CFGKind>(graph))
45 {
46 }
47};
48
49using SSADominators = Dominators<SSACFG>;
50using CPSDominators = Dominators<CPSCFG>;
51
52template <typename T, typename = typename std::enable_if<std::is_same<T, CPSCFG>::value>::type>
53CPSDominators& ensureDominatorsForCFG(Graph& graph)
54{
55 return graph.ensureCPSDominators();
56}
57
58template <typename T, typename = typename std::enable_if<std::is_same<T, SSACFG>::value>::type>
59SSADominators& ensureDominatorsForCFG(Graph& graph)
60{
61 return graph.ensureSSADominators();
62}
63
64} } // namespace JSC::DFG
65
66#endif // ENABLE(DFG_JIT)
67