[swift-dev] IRGen's swift_rt_* functions

Jordan Rose jordan_rose at apple.com
Tue Apr 25 13:18:23 CDT 2017

I believe these are interposition points for things like dtrace, and also useful for Roman's experiments with nonatomic retain counting. Roman, do you know?

(JoeG would know too but he's on vacation.)


> On Apr 24, 2017, at 17:15, Slava Pestov via swift-dev <swift-dev at swift.org> wrote:
> Hi all,
> Now that we’re using swiftcc, does IRGen still need to emit the swift_rt_* wrappers around runtime calls? They look like no-ops at this point since the runtime entry points themselves should be swiftcc with the callee save variant?
> Slava
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