[PATCH] D39502: [Driver] Make clang/cc conforms to UNIX standard
Steven Wu via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Nov 6 14:50:38 PST 2017
steven_wu added a comment.
In https://reviews.llvm.org/D39502#917132, @tra wrote:
> In https://reviews.llvm.org/D39502#917097, @steven_wu wrote:
> > Also, the reason I don't know how to craft a testcase is not because I have
> > trouble with CUDA driver, but how to write a test to check when did the driver
> > bailed out. Let me know if you have any suggestions.
> Here's one way to do it: Run 'cc -v', positively match cc1 invocations that worked and CHECK-NOT for cc1 invocations that would happen after bail-out point.
> Use preprocessor to induce the failure during particular compilation phase:
> # if __CUDA_ARCH__ == 350
> #error Error during compilation for sm_35
> #ifndef __CUDA_ARCH__
> #error Error during host compilation
Thanks for the advice. Testcase added.
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