[llvm] [VPlan] Remove loop region in optimizeForVFAndUF. (PR #108378)

[via llvm-commits]

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@@ -2392,7 +2392,10 @@ void InnerLoopVectorizer::scalarizeInstruction(const Instruction *Instr,
     AC->registerAssumption(II);
 
   // End if-block.
-  bool IfPredicateInstr = RepRecipe->getParent()->getParent()->isReplicator();
+  bool IfPredicateInstr =
+      RepRecipe->getParent()->getParent()
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ayalz wrote:

Time to introduce getEnclosingRegion() to retrieve a VPRegionBlock grandparent?

https://github.com/llvm/llvm-project/pull/108378