[llvm-dev] RFC: Killing undef and spreading poison

[Sanjoy Das via llvm-dev]

Hi Mehdi,

On Wed, Oct 19, 2016 at 9:32 PM, Mehdi Amini <mehdi.amini at apple.com> wrote:
>> Does that answer your question, or were you asking something else?
>
> That answers my question.
> But that’s not how we consider undef right now, is it?

No, I don't think we consider a zext as freezing the undef today.

-- Sanjoy