[llvm] SelectionDAG: Use qNaN constant if FCANONICALIZE not LegalOrCustom (PR #104564)

[Pawan Nirpal via llvm-commits]

pawan-nirpal-031 wrote:

@arsenm How does AMDGPU backend prevent mul * 1.0 from being optimized away? 

https://github.com/llvm/llvm-project/pull/104564