[llvm-dev] [lit] XFAIL individual RUN lines?

[Stephen Neuendorffer via llvm-dev]

I've wanted something similar, but for REQUIRES: lines, so that each RUN
line could have a different set of required features in order to execute.

Steve

On Thu, Sep 23, 2021 at 8:42 AM David Greene via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> We have a number of tests where we want to run the same code through
> different subtargets:
>
> # RUN: llc -mcpu=<subtarget1> ...
> # RUN: llc -mcpu=<subtarget2> ...
>
> Not all subtargets are expected to pass, but some will pass.  We'd like
> to know which tests are passing for which subtargets.  We don't want to
> XFAIL the whole test (because it would stop testing of working
> subtargets) but we do what to know which subtargets need work.
>
> Is it possible to somehow XFAIL an individual RUN line?  The
> documentation seems to imply it's all-or-nothing.
>
> Alternatively, is it possible to get a test summary that shows PASS/FAIL
> for individual RUN lines rather than for the test as a whole?
>
> If neither of these is possible, would patches to implement them be
> welcome?
>
> Thanks for your help!
>
>                  -David
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