[llvm] [VPlan] Introduce VPScalarPHIRecipe, use for can & EVL IV codegen (NFC). (PR #114305)

[via llvm-commits]

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@@ -1821,3 +1821,24 @@ void VPlanTransforms::createInterleaveGroups(
       }
   }
 }
+
+void VPlanTransforms::prepareToExecute(VPlan &Plan) {
+  ReversePostOrderTraversal<VPBlockDeepTraversalWrapper<VPBlockBase *>> RPOT(
+      Plan.getVectorLoopRegion());
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ayalz wrote:

RPOT not needed nor used?

https://github.com/llvm/llvm-project/pull/114305