!fixup update

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlan.cpp

@@ -400,8 +400,8 @@ void VPTransformState::packScalarIntoVectorValue(VPValue *Def,
   set(Def, VectorValue, Instance.Part);
 }
 
-BasicBlock *VPBasicBlock::createEmptyBasicBlock(VPTransformState::CFGState &CFG,
-                                                DomTreeUpdater &DTU) {
+BasicBlock *
+VPBasicBlock::createEmptyBasicBlock(VPTransformState::CFGState &CFG) {
   // BB stands for IR BasicBlocks. VPBB stands for VPlan VPBasicBlocks.
   // Pred stands for Predessor. Prev stands for Previous - last visited/created.
   BasicBlock *PrevBB = CFG.PrevBB;
@@ -516,7 +516,7 @@ void VPBasicBlock::execute(VPTransformState *State) {
     //    is the exiting VPBB of this region from a previous instance, or the
     //    predecessor of this region.
 
-    NewBB = createEmptyBasicBlock(State->CFG, State->DTU);
+    NewBB = createEmptyBasicBlock(State->CFG);
     State->Builder.SetInsertPoint(NewBB);
     // Temporarily terminate with unreachable until CFG is rewired.
     UnreachableInst *Terminator = State->Builder.CreateUnreachable();

llvm/lib/Transforms/Vectorize/VPlan.h

@@ -412,9 +412,6 @@ struct VPTransformState {
 
   /// VPlan-based type analysis.
   VPTypeAnalysis TypeAnalysis;
-
-  /// Updater for the DominatorTree.
-  DomTreeUpdater DTU;
 };
 
 /// VPBlockBase is the building block of the Hierarchical Control-Flow Graph.
@@ -2999,8 +2996,7 @@ class VPBasicBlock : public VPBlockBase {
 private:
   /// Create an IR BasicBlock to hold the output instructions generated by this
   /// VPBasicBlock, and return it. Update the CFGState accordingly.
-  BasicBlock *createEmptyBasicBlock(VPTransformState::CFGState &CFG,
-                                    DomTreeUpdater &DTU);
+  BasicBlock *createEmptyBasicBlock(VPTransformState::CFGState &CFG);
 };
 
 /// VPRegionBlock represents a collection of VPBasicBlocks and VPRegionBlocks