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

[Joel E. Denny via llvm-commits]

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+; See ./README.md for how to maintain the LLVM IR in this test.
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jdenny-ornl wrote:

What does stripped mean in this context?  Removed?  Reduced?

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