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

[Florian Hahn via llvm-commits]

================
@@ -2459,7 +2465,7 @@ class VPReductionEVLRecipe : public VPReductionRecipe {
 /// copies of the original scalar type, one per lane, instead of producing a
 /// single copy of widened type for all lanes. If the instruction is known to be
 /// uniform only one copy, per lane zero, will be generated.
-class VPReplicateRecipe : public VPRecipeWithIRFlags {
+class VPReplicateRecipe : public VPRecipeWithIRFlags, public VPIRMetadata {
----------------
fhahn wrote:

It doesn't fix it yet, it doesn't change the behavior as the exsting cloning of instructions will preserve all metadata, the noalias MD is now added by VPIRMetadata.

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