[llvm] [VPlan] Generalize noalias-licm-check to replicate regions (NFC) (PR #187017)

[Florian Hahn via llvm-commits]

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@@ -188,11 +188,12 @@ class SinkStoreInfo {
 };
 
 /// Check if a memory operation doesn't alias with memory operations in blocks
-/// between \p FirstBB and \p LastBB using scoped noalias metadata. If
-/// \p SinkInfo is std::nullopt, only recipes that may write to memory are
-/// checked (for load hoisting). Otherwise recipes that both read and write
-/// memory are checked, and SCEV is used to prove no-alias between the group
-/// leader and other replicate recipes (for store sinking).
+/// between \p FirstBB and \p LastBB, which is expected to be a chain in \p
+/// Plan. We check aliasing with using scoped noalias metadata. If \p SinkInfo
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fhahn wrote:

```suggestion
/// between \p FirstBB and \p LastBB, which is expected to be a chain in \p
/// Plan. We check aliasing using scoped noalias metadata. If \p SinkInfo
```

https://github.com/llvm/llvm-project/pull/187017