1/*
2 * Copyright (C) 2013-2018 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 "DFGOSRExitBase.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "CodeBlock.h"
32#include "DFGBasicBlock.h"
33#include "DFGNode.h"
34#include "InlineCallFrame.h"
35#include "JSCInlines.h"
36
37namespace JSC { namespace DFG {
38
39void OSRExitBase::considerAddingAsFrequentExitSiteSlow(CodeBlock* profiledCodeBlock, ExitingJITType jitType)
40{
41 CodeBlock* sourceProfiledCodeBlock =
42 baselineCodeBlockForOriginAndBaselineCodeBlock(
43 m_codeOriginForExitProfile, profiledCodeBlock);
44 if (sourceProfiledCodeBlock) {
45 ExitingInlineKind inlineKind;
46 if (m_codeOriginForExitProfile.inlineCallFrame())
47 inlineKind = ExitFromInlined;
48 else
49 inlineKind = ExitFromNotInlined;
50
51 FrequentExitSite site;
52 if (m_wasHoisted)
53 site = FrequentExitSite(HoistingFailed, jitType, inlineKind);
54 else
55 site = FrequentExitSite(m_codeOriginForExitProfile.bytecodeIndex(), m_kind, jitType, inlineKind);
56 ExitProfile::add(sourceProfiledCodeBlock, site);
57 }
58}
59
60} } // namespace JSC::DFG
61
62#endif // ENABLE(DFG_JIT)
63
64