diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -569,11 +569,6 @@
                     Value *CountRoundDown, Value *EndValue,
                     BasicBlock *MiddleBlock, BasicBlock *VectorHeader);
 
-  /// Introduce a conditional branch (on true, condition to be set later) at the
-  /// end of the header=latch connecting it to itself (across the backedge) and
-  /// to the exit block of \p L.
-  void createHeaderBranch(Loop *L);
-
   /// Handle all cross-iteration phis in the header.
   void fixCrossIterationPHIs(VPTransformState &State);
 
@@ -630,9 +625,8 @@
   BasicBlock *emitMemRuntimeChecks(BasicBlock *Bypass);
 
   /// Emit basic blocks (prefixed with \p Prefix) for the iteration check,
-  /// vector loop preheader, middle block and scalar preheader. Also
-  /// allocate a loop object for the new vector loop and return it.
-  Loop *createVectorLoopSkeleton(StringRef Prefix);
+  /// vector loop preheader, middle block and scalar preheader.
+  void createVectorLoopSkeleton(StringRef Prefix);
 
   /// Create new phi nodes for the induction variables to resume iteration count
   /// in the scalar epilogue, from where the vectorized loop left off.
@@ -2833,23 +2827,6 @@
     PredicatedInstructions.push_back(Cloned);
 }
 
-void InnerLoopVectorizer::createHeaderBranch(Loop *L) {
-  BasicBlock *Header = L->getHeader();
-  assert(!L->getLoopLatch() && "loop should not have a latch at this point");
-
-  IRBuilder<> B(Header->getTerminator());
-  Instruction *OldInst =
-      getDebugLocFromInstOrOperands(Legal->getPrimaryInduction());
-  setDebugLocFromInst(OldInst, &B);
-
-  // Connect the header to the exit and header blocks and replace the old
-  // terminator.
-  B.CreateCondBr(B.getTrue(), L->getUniqueExitBlock(), Header);
-
-  // Now we have two terminators. Remove the old one from the block.
-  Header->getTerminator()->eraseFromParent();
-}
-
 Value *InnerLoopVectorizer::getOrCreateTripCount(BasicBlock *InsertBlock) {
   if (TripCount)
     return TripCount;
@@ -3092,7 +3069,7 @@
   return MemCheckBlock;
 }
 
-Loop *InnerLoopVectorizer::createVectorLoopSkeleton(StringRef Prefix) {
+void InnerLoopVectorizer::createVectorLoopSkeleton(StringRef Prefix) {
   LoopScalarBody = OrigLoop->getHeader();
   LoopVectorPreHeader = OrigLoop->getLoopPreheader();
   assert(LoopVectorPreHeader && "Invalid loop structure");
@@ -3150,7 +3127,6 @@
     LI->addTopLevelLoop(Lp);
   }
   Lp->addBasicBlockToLoop(LoopVectorBody, *LI);
-  return Lp;
 }
 
 void InnerLoopVectorizer::createInductionResumeValues(
@@ -3316,7 +3292,7 @@
 
   // Create an empty vector loop, and prepare basic blocks for the runtime
   // checks.
-  Loop *Lp = createVectorLoopSkeleton("");
+  createVectorLoopSkeleton("");
 
   // Now, compare the new count to zero. If it is zero skip the vector loop and
   // jump to the scalar loop. This check also covers the case where the
@@ -3334,8 +3310,6 @@
   // faster.
   emitMemRuntimeChecks(LoopScalarPreHeader);
 
-  createHeaderBranch(Lp);
-
   // Emit phis for the new starting index of the scalar loop.
   createInductionResumeValues();
 
@@ -7613,6 +7587,7 @@
   Value *CanonicalIVStartValue;
   std::tie(State.CFG.PrevBB, CanonicalIVStartValue) =
       ILV.createVectorizedLoopSkeleton();
+  State.CFG.LastBB = ILV.LoopMiddleBlock;
   ILV.collectPoisonGeneratingRecipes(State);
 
   ILV.printDebugTracesAtStart();
@@ -7728,7 +7703,7 @@
 std::pair<BasicBlock *, Value *>
 EpilogueVectorizerMainLoop::createEpilogueVectorizedLoopSkeleton() {
   MDNode *OrigLoopID = OrigLoop->getLoopID();
-  Loop *Lp = createVectorLoopSkeleton("");
+  createVectorLoopSkeleton("");
 
   // Generate the code to check the minimum iteration count of the vector
   // epilogue (see below).
@@ -7757,7 +7732,6 @@
   // Generate the induction variable.
   Value *CountRoundDown = getOrCreateVectorTripCount(LoopVectorPreHeader);
   EPI.VectorTripCount = CountRoundDown;
-  createHeaderBranch(Lp);
 
   // Skip induction resume value creation here because they will be created in
   // the second pass. If we created them here, they wouldn't be used anyway,
@@ -7849,7 +7823,7 @@
 std::pair<BasicBlock *, Value *>
 EpilogueVectorizerEpilogueLoop::createEpilogueVectorizedLoopSkeleton() {
   MDNode *OrigLoopID = OrigLoop->getLoopID();
-  Loop *Lp = createVectorLoopSkeleton("vec.epilog.");
+  createVectorLoopSkeleton("vec.epilog.");
 
   // Now, compare the remaining count and if there aren't enough iterations to
   // execute the vectorized epilogue skip to the scalar part.
@@ -7930,9 +7904,6 @@
   EPResumeVal->addIncoming(ConstantInt::get(IdxTy, 0),
                            EPI.MainLoopIterationCountCheck);
 
-  // Generate the induction variable.
-  createHeaderBranch(Lp);
-
   // Generate induction resume values. These variables save the new starting
   // indexes for the scalar loop. They are used to test if there are any tail
   // iterations left once the vector loop has completed.
diff --git a/llvm/lib/Transforms/Vectorize/VPlan.cpp b/llvm/lib/Transforms/Vectorize/VPlan.cpp
--- a/llvm/lib/Transforms/Vectorize/VPlan.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlan.cpp
@@ -911,7 +911,6 @@
 
   Loop *L = State->LI->getLoopFor(VectorHeaderBB);
   State->CurrentVectorLoop = L;
-  State->CFG.LastBB = L->getExitBlock();
 
   // Remove the edge between Header and Latch to allow other connections.
   // Temporarily terminate with unreachable until CFG is rewired.