1/*
2 * Copyright (C) 2011, 2015 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 "VirtualRegister.h"
28
29#include "RegisterID.h"
30
31namespace JSC {
32
33void VirtualRegister::dump(PrintStream& out) const
34{
35 if (!isValid()) {
36 out.print("<invalid>");
37 return;
38 }
39
40 if (isHeader()) {
41 out.print("head", m_virtualRegister);
42 return;
43 }
44
45 if (isConstant()) {
46 out.print("const", toConstantIndex());
47 return;
48 }
49
50 if (isArgument()) {
51 if (!toArgument())
52 out.print("this");
53 else
54 out.print("arg", toArgument());
55 return;
56 }
57
58 if (isLocal()) {
59 out.print("loc", toLocal());
60 return;
61 }
62
63 RELEASE_ASSERT_NOT_REACHED();
64}
65
66
67VirtualRegister::VirtualRegister(RegisterID* reg)
68 : VirtualRegister(reg->m_virtualRegister.m_virtualRegister)
69{
70}
71
72} // namespace JSC
73