[PATCH] D150856: [lit] Add %{for-each-file} substitution

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

Can you add some tests? Check out `git log -- llvm/utils/lit/tests/` for recent changes.
`D132513` is a recent major feature (`DEFINE` and `REDEFINE`). Reading its discussions may give some clue about how to add tests.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D150856/new/

https://reviews.llvm.org/D150856