[PATCH] D72214: [GlobalOpt] Get DT only if it is available.

[Florian Hahn via Phabricator via llvm-commits]

fhahn abandoned this revision.
fhahn added a comment.

After thinking about it a bit more, I think this patch makes things too brittle with the legacy pass manager (e.g. we might end up with invalid DTs, if they are not used by GlobalOpt, but removeUnreachableBlocks makes changes. I'll revert D68298 <https://reviews.llvm.org/D68298>  for now.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D72214