[llvm] [SLP] Initial vectorization of non-power-of-2 ops. (PR #77790)

[Alexey Bataev via llvm-commits]

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@@ -14798,14 +14843,23 @@ bool SLPVectorizerPass::vectorizeStores(ArrayRef<StoreInst *> Stores,
         continue;
       }
 
+      std::optional<unsigned> NonPowerOf2VF;
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alexey-bataev wrote:

```suggestion
      unsigned NonPowerOf2VF = 0;
```


https://github.com/llvm/llvm-project/pull/77790