1/*
2 * Copyright (C) 2015-2016 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#include "config.h"
27#include "AirSpecial.h"
28
29#if ENABLE(B3_JIT)
30
31#include <limits.h>
32#include <wtf/StringPrintStream.h>
33
34namespace JSC { namespace B3 { namespace Air {
35
36const char* const Special::dumpPrefix = "&";
37
38Special::Special()
39{
40}
41
42Special::~Special()
43{
44}
45
46CString Special::name() const
47{
48 StringPrintStream out;
49 dumpImpl(out);
50 return out.toCString();
51}
52
53Optional<unsigned> Special::shouldTryAliasingDef(Inst&)
54{
55 return WTF::nullopt;
56}
57
58bool Special::isTerminal(Inst&)
59{
60 return false;
61}
62
63bool Special::hasNonArgEffects(Inst&)
64{
65 return true;
66}
67
68bool Special::hasNonArgNonControlEffects(Inst&)
69{
70 return true;
71}
72
73void Special::dump(PrintStream& out) const
74{
75 out.print(dumpPrefix);
76 dumpImpl(out);
77 if (m_index != UINT_MAX)
78 out.print(m_index);
79}
80
81void Special::deepDump(PrintStream& out) const
82{
83 out.print(*this, ": ");
84 deepDumpImpl(out);
85}
86
87} } } // namespace JSC::B3::Air
88
89#endif // ENABLE(B3_JIT)
90