[PATCH] D134048: [ConstraintElimination] Simplify usub(a,b) if a s>=b.

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

Looks fine, but I think you need to rebase and adjust this line to check for WithOverflowInst instead: https://github.com/llvm/llvm-project/blob/286ae63e168b5e5249bf52e2f1610057d604bab4/llvm/lib/Transforms/Scalar/ConstraintElimination.cpp#L665


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