[llvm] [VPlan] Manage noalias/alias_scope metadata in VPlan. (NFC) (PR #136450)

[via llvm-commits]

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@@ -9013,6 +8997,20 @@ bool VPRecipeBuilder::getScaledReductions(
   return false;
 }
 
+SmallVector<std::pair<unsigned, MDNode *>>
+VPRecipeBuilder::getMetadataToPropagate(Instruction *I) const {
+  SmallVector<std::pair<unsigned, MDNode *>> Metadata;
+  ::getMetadataToPropagate(I, Metadata);
+  if (LVer && isa<LoadInst, StoreInst>(I)) {
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ayalz wrote:

nit:
```suggestion
  if (!LVer || !isa<LoadInst, StoreInst>(I))
    return Metadata;
```
?

https://github.com/llvm/llvm-project/pull/136450