[Beignet] Does LLVM 3.6 still hit a bug?

[Zou, Nanhai]

It's a bug related to conditional compare. 
The bug will affect the float saturate implementation in Beignet, we have worked around it.
The bug was exposed by a subcase in Khronos OpenCL conformance test, we will try to isolate the bug to report to llvm.

Thanks
Zou Nanhai


> -----Original Message-----
> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of
> Rebecca N. Palmer
> Sent: Thursday, October 01, 2015 1:32 AM
> To: beignet at lists.freedesktop.org
> Subject: [Beignet] Does LLVM 3.6 still hit a bug?
> 
> Debian are planning to switch their default LLVM/Clang to 3.6 soon.  Is it still
> the case that
> > The recommended LLVM/CLANG version is 3.5 and/or 3.6. Based on our test
> result, LLVM 3.5 has best pass rate on all the test suites. Compare to LLVM 3.5,
> LLVM 3.6 has slightly lower pass rate(caused by one front end bug at clang 3.6)
> but has better performance (3% to 5% up).
> (http://www.freedesktop.org/wiki/Software/Beignet/)?  Where can I find
> code to test for this bug (the test suite doesn't)?
> 
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