Florian Hahn e854c381c6 [VPlan] Manage noalias/alias_scope metadata in VPlan. (#136450) ...

Use VPIRMetadata added in
https://github.com/llvm/llvm-project/pull/135272
to also manage no-alias metadata added by versioning.

Note that this means we have to build the no-alias metadata up-front
once. If it is not used, it will be discarded automatically.

This also fixes a case where incorrect metadata was added to wide
loads/stores that got converted from an interleave group.

Compile-time impact is neutral:

https://llvm-compile-time-tracker.com/compare.php?from=38bf1af41c5425a552a53feb13c71d82873f1c18&to=2fd7844cfdf5ec0f1c2ce0b9b3ae0763245b6922&stat=instructions:u

2025-05-09 11:19:12 +01:00

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