[PATCH] D102830: [AMDGPU] Avoid null export insertion when unifying exit blocks

[Ruiling, Song via Phabricator via llvm-commits]

ruiling added reviewers: arsenm, cwabbott.
ruiling added a comment.

I don't see why we need to handle such situation that would never happen. Can we simply assert each function has at most one exp_done?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D102830/new/

https://reviews.llvm.org/D102830