Title: [165286] branches/safari-537.75-branch/Source/WebCore

Diff

Modified: branches/safari-537.75-branch/Source/WebCore/ChangeLog (165285 => 165286)


--- branches/safari-537.75-branch/Source/WebCore/ChangeLog	2014-03-07 21:33:44 UTC (rev 165285)
+++ branches/safari-537.75-branch/Source/WebCore/ChangeLog	2014-03-07 21:49:21 UTC (rev 165286)
@@ -1,3 +1,33 @@
+2014-03-07  Matthew Hanson  <[email protected]>
+
+        Merge r165206.
+
+    2014-03-05  Jon Honeycutt  <[email protected]>
+
+            Invalid cast in WebCore::RenderLayer::FilterInfo::updateReferenceFilterClients()
+
+            <https://bugs.webkit.org/show_bug.cgi?id=121887>
+            <rdar://problem/15073043>
+
+            Clang appears to be optimizing out a branch in RenderObject::node()
+            when compiling RenderLayer::FilterInfo::updateReferenceFilterClients().
+            We'll work around this by factoring out the code in question into a
+            separate member function marked NEVER_INLINE.
+
+            No test possible due to <https://bugs.webkit.org/show_bug.cgi?id=129757>.
+
+            Reviewed by David Kilzer.
+
+            * rendering/RenderLayerFilterInfo.cpp:
+            (WebCore::RenderLayer::FilterInfo::layerElement):
+            Code moved from updateReferenceFilterClients(). Returns the Element*
+            for m_layer.
+            (WebCore::RenderLayer::FilterInfo::updateReferenceFilterClients):
+            Use layerElement().
+
+            * rendering/RenderLayerFilterInfo.h:
+            Declared layerElement().
+
 2014-03-06  Matthew Hanson  <[email protected]>
 
         Merge r164249.

Modified: branches/safari-537.75-branch/Source/WebCore/rendering/RenderLayerFilterInfo.cpp (165285 => 165286)


--- branches/safari-537.75-branch/Source/WebCore/rendering/RenderLayerFilterInfo.cpp	2014-03-07 21:33:44 UTC (rev 165285)
+++ branches/safari-537.75-branch/Source/WebCore/rendering/RenderLayerFilterInfo.cpp	2014-03-07 21:49:21 UTC (rev 165286)
@@ -122,6 +122,12 @@
     renderer->repaint();
 }
 
+// FIXME: Remove this helper function when <rdar://problem/16230015> is fixed.
+NEVER_INLINE Node* RenderLayerFilterInfo::layerElement() const
+{
+    return m_layer->renderer()->node();
+}
+
 void RenderLayerFilterInfo::updateReferenceFilterClients(const FilterOperations& operations)
 {
     removeReferenceFilterClients();
@@ -140,7 +146,7 @@
         } else {
             // Reference is internal; add layer as a client so we can trigger
             // filter repaint on SVG attribute change.
-            Element* filter = m_layer->renderer()->node()->document()->getElementById(referenceFilterOperation->fragment());
+            Element* filter = layerElement()->document()->getElementById(referenceFilterOperation->fragment());
             if (!filter || !filter->renderer() || !filter->renderer()->isSVGResourceFilter())
                 continue;
             filter->renderer()->toRenderSVGResourceContainer()->addClientRenderLayer(m_layer);

Modified: branches/safari-537.75-branch/Source/WebCore/rendering/RenderLayerFilterInfo.h (165285 => 165286)


--- branches/safari-537.75-branch/Source/WebCore/rendering/RenderLayerFilterInfo.h	2014-03-07 21:33:44 UTC (rev 165285)
+++ branches/safari-537.75-branch/Source/WebCore/rendering/RenderLayerFilterInfo.h	2014-03-07 21:49:21 UTC (rev 165286)
@@ -97,6 +97,8 @@
     RenderLayerFilterInfo(RenderLayer*);
     ~RenderLayerFilterInfo();
     
+    Node* layerElement() const; 
+
     RenderLayer* m_layer;
     
     RefPtr<FilterEffectRenderer> m_renderer;
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