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

[via llvm-commits]

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@@ -183,7 +187,9 @@ static bool sinkScalarOperands(VPlan &Plan) {
         // TODO: Handle converting to uniform recipes as separate transform,
         // then cloning should be sufficient here.
         Instruction *I = SinkCandidate->getUnderlyingInstr();
-        Clone = new VPReplicateRecipe(I, SinkCandidate->operands(), true);
+        Clone = new VPReplicateRecipe(I, SinkCandidate->operands(), true,
+                                      /*Mask*/ nullptr,
+                                      *cast<VPReplicateRecipe>(SinkCandidate));
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ayalz wrote:

nit: check `if (auto RepSinkCandidate = dyn_cast<...>)` above instead of `if (isa<...>)` and this `cast`?

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