[llvm] [KernelInfo] Implement new LLVM IR pass for GPU code analysis (PR #102944)

[Joel E. Denny via llvm-commits]

jdenny-ornl wrote:

> The following files introduce new uses of undef:
> 
>     * llvm/test/Analysis/KernelInfo/openmp/nvptx.ll

We clang stops generating those uses, we can update the tests.

https://github.com/llvm/llvm-project/pull/102944