Nikita Popov 0d91075f77 [ValueTracking] Don't require strictly positive for mul nsw recurrence ...

Just like in the mul nuw case, it's sufficient that the step is
non-zero. If the step is negative, then the values will jump
between positive and negative, "crossing" zero, but the value of
the recurrence is never actually zero.

2021-04-14 19:39:59 +02:00

19 KiB

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