[PATCH] D105488: Fix coro lowering of single predecessor phis

[Arnold Schwaighofer via Phabricator via llvm-commits]

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Code assumes that uses of single predecessor phis are not live accross
suspend points. Cleanup any single predecessor phis preceeding the code
making this assumption.

rdar://76020301


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D105488

Files:
  llvm/lib/Transforms/Coroutines/CoroFrame.cpp
  llvm/test/Transforms/Coroutines/coro-async-phi.ll

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