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1/*
2 * Copyright (C) 2014 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 "DFGInsertOSRHintsForUpdate.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "JSCInlines.h"
32
33namespace JSC { namespace DFG {
34
35void insertOSRHintsForUpdate(
36 InsertionSet& insertionSet, unsigned nodeIndex, NodeOrigin origin,
37 AvailabilityMap& availability, Node* originalNode, Node* newNode)
38{
39 for (unsigned i = availability.m_locals.size(); i--;) {
40 int operand = availability.m_locals.operandForIndex(i);
41
42 if (availability.m_locals[i].hasNode() && availability.m_locals[i].node() == originalNode) {
43 insertionSet.insertNode(
44 nodeIndex, SpecNone, MovHint, origin, OpInfo(operand),
45 newNode->defaultEdge());
46 }
47 }
48
49 for (auto pair : availability.m_heap) {
50 if (pair.value.hasNode() && pair.value.node() == originalNode) {
51 insertionSet.insert(
52 nodeIndex, pair.key.createHint(insertionSet.graph(), origin, newNode));
53 }
54 }
55}
56
57} } // namespace JSC::DFG
58
59#endif // ENABLE(DFG_JIT)
60