[clang] [llvm] Clang: Add nsz to llvm.minnum and llvm.maxnum emitted from fmin and fmax (PR #113133)

[Florian Hahn via cfe-commits]

https://github.com/fhahn commented:

Do you have any data on the impact of the change?

https://github.com/llvm/llvm-project/pull/113133