[PATCH] D122133: [LTO] Add configuartion option to use default optimization pipeline

[Shilei Tian via Phabricator via cfe-commits]

tianshilei1992 accepted this revision.
tianshilei1992 added a comment.
This revision is now accepted and ready to land.

I tested it locally, and it fixes the performance regression. Since it is internal flag, it will not break any existing code. I'm okay with the change. Not sure if we want to ask the gate keeper of `LTOBackend`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122133/new/

https://reviews.llvm.org/D122133