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

[Florian Hahn via llvm-commits]

================
@@ -4771,6 +4789,9 @@ void BoUpSLP::reorderBottomToTop(bool IgnoreReorder) {
         auto Res = OrdersUses.insert(std::make_pair(OrdersType(), 0));
         const auto &&AllowsReordering = [IgnoreReorder, &GathersToOrders](
                                             const TreeEntry *TE) {
+          // Reordering for nodes with padding not implemented yet.
----------------
fhahn wrote:

Added, thanks! (Also updated to refer to non-power-of-2 nodes instead of nodes with padding)


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