[llvm] [LV] codegen for tail-folded epilogue loop (PR #208764)

[Florian Hahn via llvm-commits]

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@@ -5987,8 +6015,8 @@ DenseMap<const SCEV *, Value *> LoopVectorizationPlanner::executePlan(
   assert((OrigLoop->getUniqueLatchExitBlock() || RequiresScalarEpilogue) &&
          "loops not exiting via the latch without required epilogue?");
   VPlanTransforms::materializeVectorTripCount(
-      BestVPlan, VectorPH, HasTailFolded, RequiresScalarEpilogue,
-      &BestVPlan.getVFxUF(), MaxRuntimeStep);
+      BestVPlan, VectorPH, (CM.foldTailByMasking() || IsEpilogueTFEnabled),
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fhahn wrote:

Should be enough to check if the plan has its tail folded via `Plan.hasTailFolded`?

https://github.com/llvm/llvm-project/pull/208764