[PATCH] D127471: [Coroutines] Convert coroutine.presplit to enum attr

[Chuanqi Xu via Phabricator via llvm-commits]

ChuanqiXu added a comment.

@rjmccall Does this look good to you? I am afraid to break swift's codes.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127471/new/

https://reviews.llvm.org/D127471