[llvm] [DAGCombine] Invert vselect to make TrueValue is binop (PR #167499)

[Simon Pilgrim via llvm-commits]

https://github.com/RKSimon commented:

I suspect X86 AVX512 predicates might benefit from this as well - I can't recall if we have existing code to canonicalize this

https://github.com/llvm/llvm-project/pull/167499