[PATCH] D111457: [test] Add lit helper for windows paths

[Saleem Abdulrasool via Phabricator via llvm-commits]

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

Seems reasonable, though I'm not a fan of the variable names - they seem a bit difficult to read due to no separation (e.g., `%fs-src-root` or `%fs_src_root` vs `%fssrcroot`)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111457/new/

https://reviews.llvm.org/D111457