[llvm] [SimplifyCFG] Replace unreachable switch lookup table holes with poison (PR #94990)

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Thu Dec 19 05:27:15 PST 2024

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DaMatrix wrote:

Oh... that's annoying, how am I supposed to differentiate `poison` from `undef` if I'm no longer allowed to add new usages of `undef`?

https://github.com/llvm/llvm-project/pull/94990

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