[llvm] [VPlan] Preserve branch weights from VPlan0 through to codegen. (PR #213143)

[Luke Lau via llvm-commits]

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@@ -592,6 +592,10 @@ struct VPlanTransforms {
   /// enabled by prior widening of consecutive memory operations for now.
   static void makeScalarizationDecisions(VPlan &Plan, VFRange &Range);
 
+  /// Drop the branch weights from all recipes that cannot preserve them.
+  /// Currently that are all recipes, except VPReplicateRecipes.
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lukel97 wrote:

```suggestion
  /// Currently this is all recipes except VPReplicateRecipes.
```

https://github.com/llvm/llvm-project/pull/213143