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

[via llvm-commits]

================
@@ -933,7 +933,8 @@ bool VPlanTransforms::handleMaxMinNumReductions(VPlan &Plan) {
 
     // If we exit early due to NaNs, compute the final reduction result based on
     // the reduction phi at the beginning of the last vector iteration.
-    auto *RdxResult = findComputeReductionResult(RedPhiR);
+    auto *RdxResult =
+        findReductionUser(RedPhiR, VPInstruction::ComputeReductionResult);
----------------
ayalz wrote:

MinMaxNum - with index, is another related pattern left for future support, worth (currently negative) testing?

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