[LLVMdev] RFB: Would like to flip the vector shuffle legality flag

[Chandler Carruth]

On Tue, Feb 3, 2015 at 12:55 PM, Chandler Carruth <chandlerc at gmail.com>
wrote:

> Thanks to everyone doing the benchmarking!!! =D
>
> On Fri, Jan 30, 2015 at 11:15 AM, Ahmed Bougacha <ahmed.bougacha at gmail.com
> > wrote:
>
>> I'm fine with flipping the switch; Quentin, are you?
>>
>
> I checked quickly and Quentin seems happy. Everyone else seems to have
> reported back happy. I'm planning to flip the switch and delete the old
> shuffle code "soon". No guarantees (lots of other stuff in flight) but
> hoping to rip all of this stuff out.
>

FYI, I've fixed all the regressions filed except for PR22391 along with a
*giant* pile of other improvements to the vector shuffle lowering. I even
have a fix up my sleeve for PR22391, but it needs refactoring in the code
that I don't really want to do while supporting both. It is time.

I'm going to start submitting the patches now to rip out the flag and all
the code supporting it.

-Chandler
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