[llvm] [VPlan] Create epilogue minimum iteration check in VPlan. (PR #157545)

[via llvm-commits]

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@@ -707,25 +702,16 @@ class EpilogueVectorizerEpilogueLoop : public InnerLoopAndEpilogueVectorizer {
       : InnerLoopAndEpilogueVectorizer(OrigLoop, PSE, LI, DT, TTI, AC, EPI, CM,
                                        BFI, PSI, Checks, Plan, EPI.EpilogueVF,
                                        EPI.EpilogueVF, EPI.EpilogueUF) {
-    TripCount = EPI.TripCount;
   }
   /// Implements the interface for creating a vectorized skeleton using the
   /// *epilogue loop* strategy (i.e., the second pass of VPlan execution).
   BasicBlock *createVectorizedLoopSkeleton() final;
 
-  /// Return the additional bypass block which targets the scalar loop by
-  /// skipping the epilogue loop after completing the main loop.
-  BasicBlock *getAdditionalBypassBlock() const {
-    assert(AdditionalBypassBlock &&
-           "Trying to access AdditionalBypassBlock but it has not been set");
-    return AdditionalBypassBlock;
-  }
-
 protected:
   /// Emits an iteration count bypass check after the main vector loop has
   /// finished to see if there are any iterations left to execute by either
   /// the vector epilogue or the scalar epilogue.
-  BasicBlock *emitMinimumVectorEpilogueIterCountCheck(BasicBlock *VectorPH,
+  BasicBlock *emitMinimumVectorEpilogueIterationCheck(BasicBlock *VectorPH,
                                                       BasicBlock *Bypass,
                                                       BasicBlock *Insert);
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ayalz wrote:

Is this called or can it be dce'd, having been replaced by a VPlanTransform?

https://github.com/llvm/llvm-project/pull/157545