[llvm] [LV] Vectorize conditional scalar assignments (PR #158088)

[Graham Hunter via llvm-commits]

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@@ -70,6 +70,9 @@ enum class RecurKind {
   FindLastIVUMax, ///< FindLast reduction with select(cmp(),x,y) where one of
                   ///< (x,y) is increasing loop induction, and both x and y
                   ///< are integer type, producing a UMax reduction.
+  FindLast,       ///< FindLast reduction with select(cmp(),x,y) where x and y
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huntergr-arm wrote:

done. I think I left it alone originally since I made FindLast a generic RecurKind that could handle int, float, and pointer types (and it therefore didn't appear in the isIntegerRecurrenceKind list.) I figured that could be a follow-up PR (and could potentially convert AnyOf at the same time).

https://github.com/llvm/llvm-project/pull/158088