[llvm] [SLP]Initial non-power-of-2 (but still whole register) for remaining nodes (PR #113356)

[Alexey Bataev via llvm-commits]

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@@ -5142,17 +5145,21 @@ BoUpSLP::canVectorizeLoads(ArrayRef<Value *> VL, const Value *VL0,
       return MaskedGatherCost - GatherCost >= -SLPCostThreshold;
 
     // FIXME: The following code has not been updated for non-power-of-2
-    // vectors.  The splitting logic here does not cover the original
-    // vector if the vector factor is not a power of two.  FIXME
-    if (!has_single_bit(VL.size()))
+    // vectors (and not whole registers).  The splitting logic here does not
+    // cover the original vector if the vector factor is not a power of two.
+    // FIXME
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alexey-bataev wrote:

Must be deleted

https://github.com/llvm/llvm-project/pull/113356