[PATCH] D51431: [WIP][IPSCCP] Add lattice value for != constant and propagate nonnull.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added a comment.

In https://reviews.llvm.org/D51431#1267070, @efriedma wrote:

> > I am not sure what you mean by freezing the pointer I am afraid.
>
> I mean replace all the relevant uses of the pointer with a "freeze" instruction (as in https://reviews.llvm.org/D29011) on that pointer.


Ah yes, thank you very much for pointing me to https://reviews.llvm.org/D29011, this sounds exactly like what we would need!

>> In case you are at the dev meeting, is that something you would be interested to talk about briefly?
> 
> I won't be at the dev meeting this year.




https://reviews.llvm.org/D51431