[llvm] [LoopVectorize] Vectorize select-cmp reduction pattern for increasing integer induction variable (PR #67812)

[Alexey Bataev via llvm-commits]

================
@@ -8973,8 +8980,10 @@ void LoopVectorizationPlanner::adjustRecipesForReductions(
   for (VPReductionPHIRecipe *PhiR : InLoopReductionPhis) {
     const RecurrenceDescriptor &RdxDesc = PhiR->getRecurrenceDescriptor();
     RecurKind Kind = RdxDesc.getRecurrenceKind();
-    assert(!RecurrenceDescriptor::isAnyOfRecurrenceKind(Kind) &&
-           "AnyOf reductions are not allowed for in-loop reductions");
+    assert(
+        (!RecurrenceDescriptor::isAnyOfRecurrenceKind(Kind) &&
+         !RecurrenceDescriptor::isFindLastIVRecurrenceKind(Kind)) &&
+        "AnyOf and FindLast reductions are not allowed for in-loop reductions");
----------------
alexey-bataev wrote:

```suggestion
    assert(
        !RecurrenceDescriptor::isAnyOfRecurrenceKind(Kind) &&
         !RecurrenceDescriptor::isFindLastIVRecurrenceKind(Kind) &&
        "AnyOf and FindLast reductions are not allowed for in-loop reductions");
```

https://github.com/llvm/llvm-project/pull/67812