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

[Florian Hahn via llvm-commits]

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@@ -9700,6 +9595,46 @@ preparePlanForEpilogueVectorLoop(VPlan &Plan, Loop *L,
       Plan.resetTripCount(ExpandedVal);
     ExpandR->eraseFromParent();
   }
+
+  // Add the minimum iteration check for the epilogue vector loop.
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fhahn wrote:

Moved to `addMinimumVectorEpilogueIterationCheck` in VPlanConstruction.cpp, similar to `addMinimumIterationCheck`

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