1/*
2 * Copyright (C) 2015-2018 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 "B3StackmapValue.h"
28#include "B3ValueInlines.h"
29
30#if ENABLE(B3_JIT)
31
32namespace JSC { namespace B3 {
33
34StackmapValue::~StackmapValue()
35{
36}
37
38void StackmapValue::append(Value* value, const ValueRep& rep)
39{
40 if (rep == ValueRep::ColdAny) {
41 childrenVector().append(value);
42 return;
43 }
44
45 while (m_reps.size() < numChildren())
46 m_reps.append(ValueRep::ColdAny);
47
48 childrenVector().append(value);
49 m_reps.append(rep);
50}
51
52void StackmapValue::appendSomeRegister(Value* value)
53{
54 append(ConstrainedValue(value, ValueRep::SomeRegister));
55}
56
57void StackmapValue::appendSomeRegisterWithClobber(Value* value)
58{
59 append(ConstrainedValue(value, ValueRep::SomeRegisterWithClobber));
60}
61
62void StackmapValue::setConstrainedChild(unsigned index, const ConstrainedValue& constrainedValue)
63{
64 child(index) = constrainedValue.value();
65 setConstraint(index, constrainedValue.rep());
66}
67
68void StackmapValue::setConstraint(unsigned index, const ValueRep& rep)
69{
70 if (rep == ValueRep(ValueRep::ColdAny))
71 return;
72
73 while (m_reps.size() <= index)
74 m_reps.append(ValueRep::ColdAny);
75
76 m_reps[index] = rep;
77}
78
79void StackmapValue::dumpChildren(CommaPrinter& comma, PrintStream& out) const
80{
81 for (ConstrainedValue value : constrainedChildren())
82 out.print(comma, value);
83}
84
85void StackmapValue::dumpMeta(CommaPrinter& comma, PrintStream& out) const
86{
87 out.print(
88 comma, "generator = ", RawPointer(m_generator.get()), ", earlyClobbered = ", m_earlyClobbered,
89 ", lateClobbered = ", m_lateClobbered, ", usedRegisters = ", m_usedRegisters);
90}
91
92StackmapValue::StackmapValue(CheckedOpcodeTag, Kind kind, Type type, Origin origin)
93 : Value(CheckedOpcode, kind, type, VarArgs, origin)
94{
95 ASSERT(accepts(kind));
96}
97
98} } // namespace JSC::B3
99
100#endif // ENABLE(B3_JIT)
101
102