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

[John McCall via Phabricator via llvm-commits]

rjmccall added a comment.

In https://reviews.llvm.org/D37093#910909, @GorNishanov wrote:

> @rjmccall suggested to do the cleanup dest slot elimination wholesale for all functions in clang. (Not specific for coroutines).
>  That is a sweeping change :-), so, I don't mind still having this here to unblock Facebook and when the clang change lands, remove this part from llvm.


Well, I said that I wouldn't be opposed to cleaning up the cleanup dest slot unconditionally.  I expressed no opinion about whether that was a reasonable way to fix this problem in your representation.  (This doesn't affect my lowering as coro.end is always a terminator.)


https://reviews.llvm.org/D37093