rentzsch
part of me still wants to write [NSMutableArray array] instead of [NSMutableArray new] since maayybbeee this code will be MRC one day again
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@Catfish_Man I love it but messaging sending is a serious conceptual barrier toward optimization
David Smith
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@Catfish_Man very interesting! I’m not sure how that’s possible unless you’re playing some sort of cacheing magic - View other replies
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@rentzsch ah didn’t realize you weren’t familiar with the general mechanism here. ARC can elide most autoreleased returns. Lemme find a link -
@Catfish_Man I think I saw that link but I figured it couldn’t be done if you don’t know if the caller is MRC or ARC as well - View other replies
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@rentzsch nope, it detects that! -
@Catfish_Man maybe with a signature decoration, but I don’t see one on 10.9 SDK’s +[NSDate date] - View other replies
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@rentzsch it wasn’t a change to the API, it was a change to the compiler to not lose tail-calls when gettimeofday() is in the method body. -
@Catfish_Man That's...horrifying.@rentzsch -
@apontious@rentzsch eh, not really. I just filed the bug with a testcase, this stuff is regular work for the compiler team - Show more
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Andrew Pontious
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