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

[Mel Chen via llvm-commits]

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@@ -426,6 +428,8 @@ bool RecurrenceDescriptor::AddReductionVar(
       ++NumCmpSelectPatternInst;
     if (isAnyOfRecurrenceKind(Kind) && IsASelect)
       ++NumCmpSelectPatternInst;
+    if (isFindLastRecurrenceKind(Kind) && IsASelect)
+      ++NumCmpSelectPatternInst;
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Mel-Chen wrote:

Why we need this?

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