[llvm] [VPlan] Simplify Plan's entry in removeBranchOnConst. (PR #154510)

[via llvm-commits]

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@@ -1723,7 +1739,21 @@ void LoopVectorizationPlanner::updateLoopMetadataAndProfileInfo(
   // For scalable vectorization we can't know at compile time how many
   // iterations of the loop are handled in one vector iteration, so instead
   // use the value of vscale used for tuning.
-  setProfileInfoAfterUnrolling(OrigLoop, VectorLoop, OrigLoop, EstimatedVFxUF);
+  if (OrigAverageTripCount) {
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ayalz wrote:

Early exit, as originally in llvm::setProfileInfoAfterUnrolling()?

https://github.com/llvm/llvm-project/pull/154510