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

[Yingwei Zheng via llvm-commits]

dtcxzyw 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!

I will have a look.

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