[llvm-branch-commits] [llvm] release/20.x: [InstCombine] Avoid folding select(umin(X, Y), X) with min/max values in false arm (#143020) (PR #144322)

[Nikita Popov via llvm-branch-commits]

nikic wrote:

I'm not entirely sure about this one, as this is a performance rather than correctness fix and we're late in the release cycle. But the fix itself does seem quite safe and it blocks clickhouse from updating to LLVM 20.

https://github.com/llvm/llvm-project/pull/144322