[llvm] [VPlan] Model branch cond to enter scalar epilogue in VPlan. (PR #92651)

[Florian Hahn via llvm-commits]

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@@ -7538,6 +7498,18 @@ LoopVectorizationPlanner::executePlan(
 
   ILV.printDebugTracesAtEnd();
 
+  // Adjust branch weight of the branch in the middle block.
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fhahn wrote:

Yes, unfortunately it only fits here at the moment, assigned a number he

https://github.com/llvm/llvm-project/pull/92651