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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/188850">188850</a></dd>
<dt>Author</dt> <dd>benjamin@webkit.org</dd>
<dt>Date</dt> <dd>2015-08-23 23:19:49 -0700 (Sun, 23 Aug 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>[JSC] Get rid of NodePointerTraits
https://bugs.webkit.org/show_bug.cgi?id=148340
Patch by Benjamin Poulain <bpoulain@apple.com> on 2015-08-23
Reviewed by Anders Carlsson.
NodePointerTraits does exactly the same thing has the default trait.
* dfg/DFGBasicBlock.h:
* dfg/DFGCommon.h:
(JSC::DFG::NodePointerTraits::defaultValue): Deleted.
(JSC::DFG::NodePointerTraits::isEmptyForDump): Deleted.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoredfgDFGBasicBlockh">trunk/Source/JavaScriptCore/dfg/DFGBasicBlock.h</a></li>
<li><a href="#trunkSourceJavaScriptCoredfgDFGCommonh">trunk/Source/JavaScriptCore/dfg/DFGCommon.h</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (188849 => 188850)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2015-08-24 06:18:42 UTC (rev 188849)
+++ trunk/Source/JavaScriptCore/ChangeLog 2015-08-24 06:19:49 UTC (rev 188850)
</span><span class="lines">@@ -1,5 +1,19 @@
</span><span class="cx"> 2015-08-23 Benjamin Poulain <bpoulain@apple.com>
</span><span class="cx">
</span><ins>+ [JSC] Get rid of NodePointerTraits
+ https://bugs.webkit.org/show_bug.cgi?id=148340
+
+ Reviewed by Anders Carlsson.
+
+ NodePointerTraits does exactly the same thing has the default trait.
+
+ * dfg/DFGBasicBlock.h:
+ * dfg/DFGCommon.h:
+ (JSC::DFG::NodePointerTraits::defaultValue): Deleted.
+ (JSC::DFG::NodePointerTraits::isEmptyForDump): Deleted.
+
+2015-08-23 Benjamin Poulain <bpoulain@apple.com>
+
</ins><span class="cx"> [JSC] Reduce the memory usage of BytecodeLivenessAnalysis
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=148353
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoredfgDFGBasicBlockh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/dfg/DFGBasicBlock.h (188849 => 188850)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/dfg/DFGBasicBlock.h 2015-08-24 06:18:42 UTC (rev 188849)
+++ trunk/Source/JavaScriptCore/dfg/DFGBasicBlock.h 2015-08-24 06:19:49 UTC (rev 188850)
</span><span class="lines">@@ -204,8 +204,8 @@
</span><span class="cx"> Vector<Node*> phis;
</span><span class="cx"> PredecessorList predecessors;
</span><span class="cx">
</span><del>- Operands<Node*, NodePointerTraits> variablesAtHead;
- Operands<Node*, NodePointerTraits> variablesAtTail;
</del><ins>+ Operands<Node*> variablesAtHead;
+ Operands<Node*> variablesAtTail;
</ins><span class="cx">
</span><span class="cx"> Operands<AbstractValue> valuesAtHead;
</span><span class="cx"> Operands<AbstractValue> valuesAtTail;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoredfgDFGCommonh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/dfg/DFGCommon.h (188849 => 188850)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/dfg/DFGCommon.h 2015-08-24 06:18:42 UTC (rev 188849)
+++ trunk/Source/JavaScriptCore/dfg/DFGCommon.h 2015-08-24 06:19:49 UTC (rev 188850)
</span><span class="lines">@@ -40,11 +40,6 @@
</span><span class="cx"> typedef uint32_t BlockIndex;
</span><span class="cx"> static const BlockIndex NoBlock = UINT_MAX;
</span><span class="cx">
</span><del>-struct NodePointerTraits {
- static Node* defaultValue() { return 0; }
- static bool isEmptyForDump(Node* value) { return !value; }
-};
-
</del><span class="cx"> // Use RefChildren if the child ref counts haven't already been adjusted using
</span><span class="cx"> // other means and either of the following is true:
</span><span class="cx"> // - The node you're creating is MustGenerate.
</span></span></pre>
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