[PATCH] D140323: [llvm][X86ISelDAGToDAG] support -{start|stop}-{before|after}=x86-isel

[Nick Desaulniers via Phabricator via llvm-commits]

nickdesaulniers added a comment.

If I rebase this onto https://reviews.llvm.org/D140349, I can drop some of the diffs I just immediately undo there.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140323/new/

https://reviews.llvm.org/D140323