[LLVMdev] 3.5.1 Testing Phase II Begins

[David Majnemer]

The most relevant of these is r222856 which reverted a set of broken
optimizations in r210006.  I'd be happy with just including r222856.
Optionally, we could take r222868 and r222871 which correctly restore the
optimization.

On Mon, Dec 29, 2014 at 2:39 PM, Chandler Carruth <chandlerc at google.com>
wrote:

> Hey Tom,
>
> David has pointed out to me that we have some *really* bad bugs in
> instcombine in 3.5 that are starting to seriously impact users.
> http://llvm.org/PR22050 is a great example. I'm actually surprised LLVM
> itself doesn't trip over this bug, and I suspect an innocent change to LLVM
> could result in that.
>
> Do you think it's possible to spin a rc3 with a couple more patches to fix
> this? I think David has already curated the patches and would be willing to
> ensure they merge cleanly. I'm going to help review them as OK. My hope is
> that this won't require a huge delay in 3.5.1, but what do you think?
>
> -Chandler
>
> On Fri, Dec 19, 2014 at 2:35 PM, Tom Stellard <tom at stellard.net> wrote:
>
>> Hi,
>>
>> I've just tagged 3.5.1-rc2, so testing can begin.  Remember to use the 3.5
>> branch of the test-suite.  If you have any questions, let me know.
>>
>> -Tom
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>>
>
>
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