[PATCH] D37093: [coroutines] Promote cleanup.dest.slot-like allocas to registers to avoid storing them in the coroutine frame

[Gor Nishanov via Phabricator via llvm-commits]

GorNishanov added a comment.

In https://reviews.llvm.org/D37093#861535, @hfinkel wrote:

> How about, for all uses of alloca after the original call to @llvm.coro.free, you should create a new alloca in the foo.destroy function, copy the value from the frame into that new alloca, and then use that alloca in the later code? Like this:


I see where you were going. I'll prototype and see how it looks. Thank you for your feedback.


https://reviews.llvm.org/D37093