[PATCH] D28572: [utils] Improve extraction of check prefixes from RUN lines

[Daniel Berlin via Phabricator via llvm-commits]

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

this looks correct.
i wonder at what point we should start adding at least docstring tests to this code.


https://reviews.llvm.org/D28572