1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright (C) 2015-2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "B3BasicBlock.h"
#if ENABLE(B3_JIT)
#include "B3BasicBlockInlines.h"
#include "B3BasicBlockUtils.h"
#include "B3ControlValue.h"
#include "B3Procedure.h"
#include "B3ValueInlines.h"
#include <wtf/ListDump.h>
namespace JSC { namespace B3 {
const char* const BasicBlock::dumpPrefix = "#";
BasicBlock::BasicBlock(unsigned index, double frequency)
: m_index(index)
, m_frequency(frequency)
{
}
BasicBlock::~BasicBlock()
{
}
void BasicBlock::append(Value* value)
{
m_values.append(value);
}
void BasicBlock::appendNonTerminal(Value* value)
{
m_values.append(m_values.last());
m_values[m_values.size() - 1] = value;
}
void BasicBlock::removeLast(Procedure& proc)
{
ASSERT(!m_values.isEmpty());
proc.deleteValue(m_values.takeLast());
}
void BasicBlock::replaceLast(Procedure& proc, Value* value)
{
removeLast(proc);
append(value);
}
Value* BasicBlock::appendIntConstant(Procedure& proc, Origin origin, Type type, int64_t value)
{
Value* result = proc.addIntConstant(origin, type, value);
append(result);
return result;
}
Value* BasicBlock::appendIntConstant(Procedure& proc, Value* likeValue, int64_t value)
{
return appendIntConstant(proc, likeValue->origin(), likeValue->type(), value);
}
bool BasicBlock::replaceSuccessor(BasicBlock* from, BasicBlock* to)
{
return last()->as<ControlValue>()->replaceSuccessor(from, to);
}
bool BasicBlock::addPredecessor(BasicBlock* block)
{
return B3::addPredecessor(this, block);
}
bool BasicBlock::removePredecessor(BasicBlock* block)
{
return B3::removePredecessor(this, block);
}
bool BasicBlock::replacePredecessor(BasicBlock* from, BasicBlock* to)
{
return B3::replacePredecessor(this, from, to);
}
void BasicBlock::updatePredecessorsAfter()
{
B3::updatePredecessorsAfter(this);
}
void BasicBlock::dump(PrintStream& out) const
{
out.print(dumpPrefix, m_index);
}
void BasicBlock::deepDump(const Procedure& proc, PrintStream& out) const
{
out.print("BB", *this, ": ; frequency = ", m_frequency, "\n");
if (predecessors().size())
out.print(" Predecessors: ", pointerListDump(predecessors()), "\n");
for (Value* value : *this)
out.print(" ", B3::deepDump(proc, value), "\n");
}
} } // namespace JSC::B3
#endif // ENABLE(B3_JIT)
|
