[llvm] [UniformityAnalysis] Replace DivergentValues with UniformValues for conservative divergence queries (PR #180509)

[Pankaj Dwivedi via llvm-commits]

PankajDwivedi-25 wrote:

@ssahasra Thanks for your feedback. I have addressed the suggestion in the recent change.

Please let me know if there is anything else I am missing.

https://github.com/llvm/llvm-project/pull/180509