[llvm] r215151 - MachineCombiner Pass for selecting faster instruction sequence on AArch64

[Chad Rosier]

> On Mon, Aug 11, 2014 at 6:18 PM, Chad Rosier <mcrosier at codeaurora.org>
> wrote:
>
>> Hi Gerolf,
>> If you could get this in tonight, it would be greatly appreciated!
>>
>
> Chad, if this is blocking things, please just revert.

I meant to revert the patch earlier today, but I got distracted by endless
meetings.  :0/  I'm home and settled now, so I'd prefer to revert the
patch in the morning, if it's still an issue.

> We shouldn't block upstream progress waiting for a fix to be landed.
> reverts are cheap, and reapplying them is easy. =]

 Chad