[llvm] [LLVM][ConstantFold] Ensure scalar type is queried when determining denormal mode. (PR #189600)

[Paul Walker via llvm-commits]

paulwalker-arm wrote:

> I still do not believe any of this constant folding code should be inspecting the denormal mode, and just unconditionally not flush

I lack context but am happy to help.  Is it the transformations are already implemented elsewhere? or that they don't offer any real world value and thus we have unnecessary complexity when constant folding?

https://github.com/llvm/llvm-project/pull/189600