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Commit e67f40c5 authored by Michael Gottesman's avatar Michael Gottesman
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[objc-arc] KnownSafe does not imply that it is safe to perform code motion... 

[objc-arc] KnownSafe does not imply that it is safe to perform code motion across CFG edges since even if it is safe to remove RR pairs, we may still be able to move a retain/release into a loop.

rdar://13949644

llvm-svn: 182670
parent 5a91bbf3
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