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

[Alexey Bataev via llvm-commits]

================
@@ -9736,6 +9784,9 @@ BoUpSLP::isGatherShuffledEntry(
   // No need to check for the topmost gather node.
   if (TE == VectorizableTree.front().get())
     return {};
+  // Gathering for nodes with padding is not implemented yet.
----------------
alexey-bataev wrote:

```suggestion
  // FIXME: Reshuffling for nodes with padding is not implemented yet.
```


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