[PATCH][DAGCombiner] Teach the DAGCombiner how to fold sext/aext/zext of constant build_vectors.

[Andrea Di Biagio]

Thanks for the review!

Committed revision 200234.

On Mon, Jan 27, 2014 at 6:00 PM, Nadav Rotem <nrotem at apple.com> wrote:
> Hi Andrea,
>
> The patch LGTM.
>
> Thanks,
> Nadav
>
> On Jan 27, 2014, at 5:27 AM, Andrea Di Biagio <andrea.dibiagio at gmail.com> wrote:
>
>> <patch.diff>
>