[llvm-branch-commits] [llvm] DAG: Lower single infinity is.fpclass tests to fcmp (PR #100380)

[Serge Pavlov via llvm-branch-commits]

spavloff wrote:

Just as with #100378 the changes in tests demonstrates that the produced code becomes worse. In what cases this patch makes improvement? Can it be limited to such cases?

https://github.com/llvm/llvm-project/pull/100380