[llvm] [VPlan] Implement interleaving as VPlan-to-VPlan transform. (PR #95842)

[via llvm-commits]

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@@ -3825,6 +3862,41 @@ inline bool isUniformAfterVectorization(const VPValue *VPV) {
 
 /// Return true if \p V is a header mask in \p Plan.
 bool isHeaderMask(const VPValue *V, VPlan &Plan);
+
+/// Checks if \p C is uniform across all VF lanes and UF parts. It is considered
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ayalz wrote:

```suggestion
/// Checks if \p V is uniform across all VF lanes and UF parts. It is considered
```

https://github.com/llvm/llvm-project/pull/95842