Changeset 156017 in webkit for trunk/Source/JavaScriptCore/runtime/JSGlobalObject.h

Timestamp:

Sep 17, 2013, 6:06:49 PM (12 years ago)

Author:

[email protected]

Message:

Use CheckStructure for checking the types of typed arrays whenever possible
​https://bugs.webkit.org/show_bug.cgi?id=121514

Reviewed by Oliver Hunt.

• bytecode/ArrayProfile.cpp:

(JSC::ArrayProfile::computeUpdatedPrediction):

• dfg/DFGArrayMode.cpp:

(JSC::DFG::ArrayMode::fromObserved):
(JSC::DFG::ArrayMode::refine):
(JSC::DFG::ArrayMode::originalArrayStructure):
(JSC::DFG::arrayClassToString):

• dfg/DFGArrayMode.h:

(JSC::DFG::ArrayMode::ArrayMode):
(JSC::DFG::ArrayMode::arrayModesWithIndexingShape):

• runtime/JSGlobalObject.h:

(JSC::JSGlobalObject::isOriginalTypedArrayStructure):

File:

• trunk/Source/JavaScriptCore/runtime/JSGlobalObject.h (modified) (1 diff)

trunk/Source/JavaScriptCore/runtime/JSGlobalObject.h

@@ -424 +424 @@
         return m_typedArrays[toIndex(type)].structure.get();
     }
+    bool isOriginalTypedArrayStructure(Structure* structure)
+    {
+        TypedArrayType type = structure->classInfo()->typedArrayStorageType;
+        if (type == NotTypedArray)
+            return false;
+        return typedArrayStructure(type) == structure;
+    }
 
     void* actualPointerFor(Special::Pointer pointer)