[PATCH] D136622: [LegacyPM] Remove pipeline extension mechanism

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks reopened this revision.
aeubanks added a comment.
This revision is now accepted and ready to land.

I only tested with the X86 backend, forgot that other backends modify the passmanagerbuilder via `adjustPassManager`


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136622/new/

https://reviews.llvm.org/D136622