| /* |
| * Copyright (C) 2012 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 "LazyOperandValueProfile.h" |
| |
| #if ENABLE(VALUE_PROFILER) |
| |
| namespace JSC { |
| |
| CompressedLazyOperandValueProfileHolder::CompressedLazyOperandValueProfileHolder() { } |
| CompressedLazyOperandValueProfileHolder::~CompressedLazyOperandValueProfileHolder() { } |
| |
| void CompressedLazyOperandValueProfileHolder::computeUpdatedPredictions(OperationInProgress operation) |
| { |
| if (!m_data) |
| return; |
| |
| for (unsigned i = 0; i < m_data->size(); ++i) |
| m_data->at(i).computeUpdatedPrediction(operation); |
| } |
| |
| LazyOperandValueProfile* CompressedLazyOperandValueProfileHolder::add( |
| const LazyOperandValueProfileKey& key) |
| { |
| if (!m_data) |
| m_data = adoptPtr(new LazyOperandValueProfile::List()); |
| else { |
| for (unsigned i = 0; i < m_data->size(); ++i) { |
| if (m_data->at(i).key() == key) |
| return &m_data->at(i); |
| } |
| } |
| |
| m_data->append(LazyOperandValueProfile(key)); |
| return &m_data->last(); |
| } |
| |
| LazyOperandValueProfileParser::LazyOperandValueProfileParser( |
| CompressedLazyOperandValueProfileHolder& holder) |
| : m_holder(holder) |
| { |
| if (!m_holder.m_data) |
| return; |
| |
| LazyOperandValueProfile::List& data = *m_holder.m_data; |
| for (unsigned i = 0; i < data.size(); ++i) |
| m_map.add(data[i].key(), &data[i]); |
| } |
| |
| LazyOperandValueProfileParser::~LazyOperandValueProfileParser() { } |
| |
| LazyOperandValueProfile* LazyOperandValueProfileParser::getIfPresent( |
| const LazyOperandValueProfileKey& key) const |
| { |
| HashMap<LazyOperandValueProfileKey, LazyOperandValueProfile*>::const_iterator iter = |
| m_map.find(key); |
| |
| if (iter == m_map.end()) |
| return 0; |
| |
| return iter->value; |
| } |
| |
| SpeculatedType LazyOperandValueProfileParser::prediction( |
| const LazyOperandValueProfileKey& key) const |
| { |
| LazyOperandValueProfile* profile = getIfPresent(key); |
| if (!profile) |
| return SpecNone; |
| |
| return profile->computeUpdatedPrediction(); |
| } |
| |
| } // namespace JSC |
| |
| #endif // ENABLE(VALUE_PROFILER) |
| |