Florian Hahn 82821254f5 [LV] Use IVUpdateMayOverflow to set HasNUW. (#111758) ...

If IVUpdateMayOverflow is false, we proved that the induction increment
cannot overflow in the vector loop. This allows setting NUW in some
cases when folding the tail.

PR: https://github.com/llvm/llvm-project/pull/111758

2024-11-28 10:12:41 +00:00

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