[llvm] [LV] Vectorize selecting last IV of min/max element. (PR #141431)

[Florian Hahn via llvm-commits]

================
@@ -225,6 +259,10 @@ bool RecurrenceDescriptor::AddReductionVar(
   if (Phi->getParent() != TheLoop->getHeader())
     return false;
 
+  if (auto RD = getMultiUseMinMax(Phi, Kind, TheLoop)) {
+    RedDes = *RD;
----------------
fhahn wrote:

I don't think so, this is just used locally to verify min/max patterns later on.

https://github.com/llvm/llvm-project/pull/141431