[PATCH] D77227: [RFC][FileCheck] Require colon immediately after CHECK directives
Paul Robinson via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 1 15:12:29 PDT 2020
probinson added a comment.
In D77227#1955727 <https://reviews.llvm.org/D77227#1955727>, @jdenny wrote:
> In D77227#1955596 <https://reviews.llvm.org/D77227#1955596>, @probinson wrote:
>
> > Okay, 1500+ tests to fix seems excessive. Requiring CHECK directives to be on lines by themselves (with optional comment) is more restrictive than the LLVM test suite can tolerate.
>
>
> Maybe the right rule should be that it *either* appears on a line by itself *or* at the beginning of some single-line comment style (which might not be at the beginning of a line).
Worth a shot.
>> If I leave out the filtering on "RUN:" then I get 10,660 hits, instead of 387. So, if we want a diagnostic aid like this in FileCheck itself, it really needs to skip RUN: lines.
>
> The above rule would rule out FileCheck prefixes within RUN lines.
There aren't going to be FileCheck directives on a RUN line, so excluding RUN lines from the "does this line have a potentially incorrect directive on it?" check, won't filter out any true positives. It will filter out about 98% of the false positives.
Or am I not understanding your comment?
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https://reviews.llvm.org/D77227/new/
https://reviews.llvm.org/D77227
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