[llvm] [VPlan] Use VPIRMetadata for VPInterleaveRecipe. (PR #153084)

[via llvm-commits]

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@@ -931,13 +931,22 @@ class VPIRMetadata {
   /// Copy constructor for cloning.
   VPIRMetadata(const VPIRMetadata &Other) : Metadata(Other.Metadata) {}
 
+  VPIRMetadata &operator=(const VPIRMetadata &Other) {
+    Metadata = Other.Metadata;
+    return *this;
+  }
+
   /// Add all metadata to \p I.
   void applyMetadata(Instruction &I) const;
 
   /// Add metadata with kind \p Kind and \p Node.
   void addMetadata(unsigned Kind, MDNode *Node) {
     Metadata.emplace_back(Kind, Node);
   }
+
+  /// Intersect this VPIRMetada object with \p MD, keeping only metadata
+  /// nodes in both.
----------------
ayalz wrote:

```suggestion
  /// nodes that are common to both.
```


https://github.com/llvm/llvm-project/pull/153084