[llvm] [VPlan] Replace VPRegionBlock with explicit CFG before execute (NFCI). (PR #117506)

[via llvm-commits]

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@@ -424,13 +450,19 @@ void VPBasicBlock::connectToPredecessors(VPTransformState &State) {
   if (ParentLoop && !State.LI->getLoopFor(NewBB))
     ParentLoop->addBasicBlockToLoop(NewBB, *State.LI);
 
+  auto Preds = to_vector(getHierarchicalPredecessors());
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ayalz wrote:

Suffice to getPredecessors() now?

https://github.com/llvm/llvm-project/pull/117506