[llvm] [InstCombine] Preserve range information for `Op0 -nsw umin(X, Op0) --> usub.sat(Op0, X)` (PR #170989)

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Sun Dec 7 03:34:59 PST 2025

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ParkHanbum wrote:

If this patch is merged, I believe I can modify the patch I PR'd to handle it within `foldICmpUSubSatOrUAddSatWithConstant` in visitICmp. Thank you for this. 


https://github.com/llvm/llvm-project/pull/170989

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