[llvm] r237828 - [X86] Remove unused node after morphing it from shr to and.

[Hans Wennborg]

On Wed, May 20, 2015 at 1:10 PM, Benjamin Kramer
<benny.kra at googlemail.com> wrote:
> Author: d0k
> Date: Wed May 20 15:10:26 2015
> New Revision: 237828
>
> URL: http://llvm.org/viewvc/llvm-project?rev=237828&view=rev
> Log:
> [X86] Remove unused node after morphing it from shr to and.
>
> In some cases it won't get cleaned up properly leading to crashes
> downstream. PR23353.

I've reverted this in r237843, as it caused PR23601.