[LLVMdev] 3.5.1 Testing Phase II Begins

David Majnemer david.majnemer at gmail.com
Mon Dec 29 11:52:37 PST 2014

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

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

> 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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