[PATCH] D122569: [lit] Support %if ... %else syntax for RUN lines

[Andrew Savonichev via Phabricator via llvm-commits]

asavonic added a comment.

In D122569#3441717 <https://reviews.llvm.org/D122569#3441717>, @lebedev.ri wrote:

> Please don't forget to also update the `llvm/utils/update_*_checks.py`.

It seems that update_*_checks.py scripts are completely independent of lit.py, so there is no way to easily reuse code between them. Parsing of RUN lines and standard substitutions is duplicated there. We have to either integrate these scripts, or copy paste the code.


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  https://reviews.llvm.org/D122569/new/

https://reviews.llvm.org/D122569