[PATCH] D27597: [DebugInfo] Restore test case for long double constants.

David Blaikie via cfe-commits cfe-commits at lists.llvm.org
Mon Dec 12 11:31:23 PST 2016

While it's possible to do arbitrary script things - we prefer nto to to
ensure the tests are portable. (we have some custom implementations of
common unix utilities for portability of those).

In this case, can you xfail this on platforms that don't have the feature
you want? rather than trying to detect it at test-execution time. (or say
"requires" to opt the test in only on platforms you know have the thing you

On Fri, Dec 9, 2016 at 4:00 AM David Gross via Phabricator via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> dgross added a comment.
> I don't know exactly what the RUN syntax supported by lit is.  What I've
> done here looks complex, but it does work for Linux.  What about other
> platforms?
> Is there some better way of writing a test case where the checks to be
> done by FileCheck depend on some property of the file being analyzed (here,
> the size of long double, as embedded in the debug metadata)?  I don't see
> any support for conditions in FileCheck.
> Maybe I'm going about this completely the wrong way?
> https://reviews.llvm.org/D27597
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