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swift-mirror/lib/SILAnalysis/ClassHierarchyAnalysis.cpp
Nadav Rotem 1b980052b1 Cache the class hierarchy construction. 
Before this commit we scanned the vtables every time we wanted to know who are the subclasses of a class. Now we scan the vtables just once.



Swift SVN r20847
2014-07-31 21:07:11 +00:00

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