[llvm] [ValueTracking] Compute known FPClass from dominating condition (PR #80941)

[via llvm-commits]

eaeltsin wrote:

Hi,

This seems to break a couple of our tests, can you please take a look?

[Archive.zip](https://github.com/llvm/llvm-project/files/14302127/Archive.zip) is a source ll file and files obtained
 by `opt -O1` before and after this change.

Thank you!


https://github.com/llvm/llvm-project/pull/80941