1/*
2 * Copyright (C) 2015-2017 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(B3_JIT)
29
30#include "B3Origin.h"
31#include "B3Type.h"
32#include "B3TypeMap.h"
33#include <wtf/Insertion.h>
34#include <wtf/Vector.h>
35
36namespace JSC { namespace B3 {
37
38class BasicBlock;
39class Procedure;
40class Value;
41
42typedef WTF::Insertion<Value*> Insertion;
43
44class InsertionSet {
45public:
46 InsertionSet(Procedure& procedure)
47 : m_procedure(procedure)
48 {
49 }
50
51 bool isEmpty() const { return m_insertions.isEmpty(); }
52
53 Procedure& code() { return m_procedure; }
54
55 void appendInsertion(const Insertion& insertion)
56 {
57 m_insertions.append(insertion);
58 }
59
60 Value* insertValue(size_t index, Value* value)
61 {
62 appendInsertion(Insertion(index, value));
63 return value;
64 }
65
66 template<typename ValueType, typename... Arguments>
67 ValueType* insert(size_t index, Arguments... arguments);
68
69 Value* insertIntConstant(size_t index, Origin, Type, int64_t value);
70 Value* insertIntConstant(size_t index, Value* likeValue, int64_t value);
71
72 Value* insertBottom(size_t index, Origin, Type);
73 Value* insertBottom(size_t index, Value*);
74
75 Value* insertClone(size_t index, Value*);
76
77 void execute(BasicBlock*);
78
79private:
80 Procedure& m_procedure;
81 Vector<Insertion, 8> m_insertions;
82
83 TypeMap<Value*> m_bottomForType;
84};
85
86} } // namespace JSC::B3
87
88#endif // ENABLE(B3_JIT)
89