[llvm] [VPlan] Use DomTreeUpdater to automatically update DT for vector loop. (PR #92525)

[via llvm-commits]

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@@ -410,6 +408,9 @@ struct VPTransformState {
 
   /// VPlan-based type analysis.
   VPTypeAnalysis TypeAnalysis;
+
+  /// Updater for the DominatorTree.
+  DomTreeUpdater DTU;
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ayalz wrote:

nit: place DTU in DT's position (after LI), or inside CFG?

https://github.com/llvm/llvm-project/pull/92525