ftl/FTLExitTimeObjectMaterialization.cpp

   1 /*
   2  * Copyright (C) 2014, 2015 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 "FTLExitTimeObjectMaterialization.h"
  28
  29 #if ENABLE(FTL_JIT)
  30
  31 #include "DFGGraph.h"
  32
  33 namespace JSC { namespace FTL {
  34
  35 using namespace JSC::DFG;
  36
  37 ExitTimeObjectMaterialization::ExitTimeObjectMaterialization(NodeType type, CodeOrigin codeOrigin)
  38     : m_type(type)
  39     , m_origin(codeOrigin)
  40 {
  41 }
  42
  43 ExitTimeObjectMaterialization::~ExitTimeObjectMaterialization()
  44 {
  45 }
  46
  47 void ExitTimeObjectMaterialization::add(
  48     PromotedLocationDescriptor location, const ExitValue& value)
  49 {
  50     m_properties.append(ExitPropertyValue(location, value));
  51 }
  52
  53 ExitValue ExitTimeObjectMaterialization::get(PromotedLocationDescriptor location) const
  54 {
  55     for (ExitPropertyValue value : m_properties) {
  56         if (value.location() == location)
  57             return value.value();
  58     }
  59     return ExitValue();
  60 }
  61
  62 void ExitTimeObjectMaterialization::accountForLocalsOffset(int offset)
  63 {
  64     for (ExitPropertyValue& property : m_properties)
  65         property = property.withLocalsOffset(offset);
  66 }
  67
  68 void ExitTimeObjectMaterialization::dump(PrintStream& out) const
  69 {
  70     out.print(RawPointer(this), ":", Graph::opName(m_type), "(", listDump(m_properties), ")");
  71 }
  72
  73 void ExitTimeObjectMaterialization::validateReferences(const TrackedReferences& trackedReferences) const
  74 {
  75     for (ExitPropertyValue value : m_properties)
  76         value.validateReferences(trackedReferences);
  77 }
  78
  79 } } // namespace JSC::FTL
  80
  81 #endif // ENABLE(FTL_JIT)
  82