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

[Florian Hahn via llvm-commits]

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@@ -1198,10 +1200,14 @@ class VPIRMetadata {
 protected:
   VPIRMetadata() {}
   VPIRMetadata(Instruction &I) { getMetadataToPropagate(&I, Metadata); }
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fhahn wrote:

See comment above, may be better to avoid leaking more implementation details to recipe definitions?

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