[PATCH] D67191: [Attributor][Fix] Make sure we do not delete live code

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: sstefan1, uenoku.
Herald added subscribers: bollu, hiraditya.
Herald added a project: LLVM.

Liveness needs to mark edges, not blocks as dead.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D67191

Files:
  llvm/lib/Transforms/IPO/Attributor.cpp
  llvm/test/Transforms/FunctionAttrs/liveness.ll
  llvm/test/Transforms/FunctionAttrs/noreturn_async.ll
  llvm/test/Transforms/FunctionAttrs/noreturn_sync.ll

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