| /* |
| * Copyright (C) 2011 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 "DFGExitProfile.h" |
| |
| #include <wtf/PassOwnPtr.h> |
| |
| namespace JSC { namespace DFG { |
| |
| ExitProfile::ExitProfile() { } |
| ExitProfile::~ExitProfile() { } |
| |
| bool ExitProfile::add(const FrequentExitSite& site) |
| { |
| // If we've never seen any frequent exits then create the list and put this site |
| // into it. |
| if (!m_frequentExitSites) { |
| m_frequentExitSites = adoptPtr(new Vector<FrequentExitSite>()); |
| m_frequentExitSites->append(site); |
| return true; |
| } |
| |
| // Don't add it if it's already there. This is O(n), but that's OK, because we |
| // know that the total number of places where code exits tends to not be large, |
| // and this code is only used when recompilation is triggered. |
| for (unsigned i = 0; i < m_frequentExitSites->size(); ++i) { |
| if (m_frequentExitSites->at(i) == site) |
| return false; |
| } |
| |
| m_frequentExitSites->append(site); |
| return true; |
| } |
| |
| QueryableExitProfile::QueryableExitProfile(const ExitProfile& profile) |
| { |
| if (!profile.m_frequentExitSites) |
| return; |
| |
| for (unsigned i = 0; i < profile.m_frequentExitSites->size(); ++i) |
| m_frequentExitSites.add(profile.m_frequentExitSites->at(i)); |
| } |
| |
| QueryableExitProfile::~QueryableExitProfile() { } |
| |
| } } // namespace JSC::DFG |
