[llvm] [PowerPC] improve performance on the isNan and !isNan function in case of -ffp-model=strict" (PR #215587)

[Matt Arsenault via llvm-commits]

arsenm wrote:

Oh, I missed the part about strictfp. In that case, I still don't think codegen is the correct place to solve this. InstCombine can also make the transform, just using llvm.experimental.constraint.fcmp(s?) 

https://github.com/llvm/llvm-project/pull/215587