[PATCH] D24799: [XRay] Check in Clang whether XRay supports the target when -fxray-instrument is passed

[Serge Rogatch via cfe-commits]

rSerge added a comment.

In https://reviews.llvm.org/D24799#561879, @dberris wrote:

> In https://reviews.llvm.org/D24799#561106, @rSerge wrote:
>
> > My mistake was that initially I only enumerated the unsupported targets from llvm\include\llvm\ADT\Triple.h . Now I've added also the cases from llvm\lib\Support\Triple.cpp .
> >  `XFAIL` requires a list of all unsupported cases, which is currently much larger than the list of supported cases. However, AFAIK there is nothing like `XPASS` in LIT.
>
>
> I just thought about reversing this. How about if you do something like:
>
>   // RUN: not %clang -v -fxray-instrument -c %s
>   // XFAIL: x86_64-, arm7-
>
>
> I suspect that would be sufficient to work as an `XPASS` of sorts?


Good idea, thanks. I've used it.


https://reviews.llvm.org/D24799