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

[via llvm-commits]

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@@ -582,6 +581,14 @@ VPRegionBlock *VPBasicBlock::getEnclosingLoopRegion() {
   return P;
 }
 
+const VPRegionBlock *VPBasicBlock::getEnclosingLoopRegion() const {
+  return getEnclosingLoopRegionImpl(getParent());
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ayalz wrote:

nit: should getEnclosingLoopRegionImpl() be called `getEnclosingLoopRegionForRegion()`?

nit: could `this` be passed instead of getParent(), delegating the latter to getEnclosingLoopRegionImpl(), which could then be more accurately called `getEnclosingLoopRegionForBasicBlock()`?

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