[cfe-dev] Regression testing with lit on a constrained toolchain

[Tom Stellard via cfe-dev]

On 02/18/2019 05:13 PM, Nagurne, James via cfe-dev wrote:
> Forgive me if this is common knowledge amongst the more experienced here, but I’m currently confused by the lit regression tests.
> 
> I’m currently working to validate a Clang/LLVM toolchain, hosted on a Mac OS, which only supports a select number of baremetal ARM targets.
> 
>  
> 
> Specifically, the test Driver/darwin-ld-dedup.c fails due to not having available targets compatible with ‘x86_64-apple-macosx10.6.0’. As far as I’m concerned, this target is a do-not-care for me.
> 
> Another that seems suspect is Index/pch-from-libclang.c, which also sets the triple directly to x86_64-apple-darwin.
> 
>  
> 
> My target triple does indeed look correct (arch is arm), and the host triple is x86_64-apple-darwin*.
> 
>  
> 
> Lit supports REQUIRED checking the target triple, but such checks just don’t appear in these failing tests.
> 
> Is this not a common enough problem, or might I be missing something fundamental in my understanding?
> 

It's a bug, those tests should also have 'x86-registered-target' added
to their REQUIRES.

-Tom

>  
> Thanks,
> 
> J.B. Nagurne
> 
> Code Generation
> 
> Texas Instruments
> 
> 
> 
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