[llvm] [SelectionDAG] Widen even 33-bit-magic udiv on free-zext targets (PR #207634)

[Craig Topper via llvm-commits]

topperc wrote:

> > Do you need someone to merge this?
> 
> Yes, please -- I don't have commit access yet. Could you merge it on my behalf? I have just reflowed the PR description to 72 columns so that it reads well as the squashed commit message. No code changes.

It's late here and I don't want to commit if I won't be around to watch the bots. If @RKSimon doesn't merge it, I'll do it tomorrow morning.

https://github.com/llvm/llvm-project/pull/207634