[llvm] [DAG] Add generic expansion for ISD::FCANONICALIZE nodes (PR #142105)

[Dominik Steenken via llvm-commits]

dominik-steenken wrote:

I believe the CI check fails were issues introduced into `main` by https://github.com/llvm/llvm-project/pull/146048 and https://github.com/llvm/llvm-project/pull/146247, but which should be fixed by now. I have rebased and the branch, CI is running.

https://github.com/llvm/llvm-project/pull/142105