[llvm] [SDAGBuilder] Fix incorrect fcmp+select to minnum/maxnum transform (PR #184590)

[Yingwei Zheng via llvm-commits]

https://github.com/dtcxzyw approved this pull request.

Thanks! I was blocked by an NVPTX regression with relu functions in https://github.com/llvm/llvm-project/pull/93575 :(


https://github.com/llvm/llvm-project/pull/184590