[cfe-dev] Proposal for an ABI testsuite for clang

[Reid Kleckner]

It seems like the primary benefit of this test suite is that it allows
verification that two different C++ compilers are functionally equivalent,
because it's completely LLVM IR agnostic.

I *don't* think these are the kinds of tests that developers will want to
write when implementing new features of the C++ language (say, variable
templates).  For that, we already have Clang IRGen tests, which are easier
to work on incrementally, rather than these tests, which appear to be more
data-driven.

Still, this would be great.  :)


On Wed, Jul 2, 2014 at 3:51 PM, Srivastava, Sunil <
sunil_srivastava at playstation.sony.com> wrote:

>  Hi,
>
> At the SN Systems division of Sony, we have developed an IA64 ABI
> test-suite for clang/llvm based on the lit framework.  We would like to
> submit this to the LLVM community. The test-suite currently supports clang
> in both LP64/x86-64 and ILP32/x86 targets, with the ability of adding
> others. The tests perform target-side execution and work with both cross
> and native targets.
>
> Please find attached a pdf document that describes the design of this
> test-suite.  In summary, the test-suite covers:
> ·         struct layout rules, including bit-fields,
> ·         Object layout, base classes, vtables, VTTs, construction
> vtables,
> ·         Name mangling,
> ·         Contents of typeinfo variables,
> ·         Array cookies,
> ·         and a few other items.
>
> Please consider accepting this test-suite as an llvm project. We look
> forward to addressing any comments and questions you have on this topic.
>
> Best regards,
>
>
>
> Sunil Srivastava
>
> SN Systems / Sony Computer Entertainment
>
>
>
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>
>
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