[llvm] [VPlan] Add transformation to narrow interleave groups. (PR #106441)

[via llvm-commits]

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@@ -714,6 +714,7 @@ void VPlanTransforms::optimizeForVFAndUF(VPlan &Plan, ElementCount BestVF,
   // TODO: Further simplifications are possible
   //      1. Replace inductions with constants.
   //      2. Replace vector loop region with VPBasicBlock.
+  //
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ayalz wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/106441