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swift-mirror/include/swift/Runtime/RuntimeFunctions.def
Erik Eckstein 48d49a4cc2 Fix the IR attributes of swift_getObjectType. 
It's not readnone, because it reads the metatype from an object.
Readnone would let the llvm ARC optimizer reschedule the call with a release-call for the object.

fixes SR-6560.
2017-12-11 18:16:46 -08:00

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