Akira Hatanaka 9bfe38a556 Don't add a tail keyword to calls to ObjC runtime functions if the calls
are annotated with notail.

r356705 annotated calls to objc_retainAutoreleasedReturnValue with
notail on x86-64. This commit teaches ARC optimizer to check the notail
marker on the call before turning it into a tail call.

rdar://problem/38675807

llvm-svn: 356707
2019-03-21 20:16:09 +00:00
2019-03-20 17:26:11 +00:00
2019-03-21 18:54:58 +00:00
2019-03-20 17:26:11 +00:00
2016-01-26 21:29:08 +00:00
2019-02-26 05:46:45 +00:00
2019-02-19 20:38:51 +00:00

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