[llvm] [LV] Autovectorization for the all-in-one histogram intrinsic (PR #91458)

[Paschalis Mpeis via llvm-commits]

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@@ -102,6 +102,12 @@ class VPRecipeBuilder {
   VPWidenRecipe *tryToWiden(Instruction *I, ArrayRef<VPValue *> Operands,
                             VPBasicBlock *VPBB);
 
+  /// Makes Histogram count operations safe for vectorization, by emitting a
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paschalis-mpeis wrote:

I think this comment is valid only for the [standalone patch](https://github.com/llvm/llvm-project/pull/89366), correct?

https://github.com/llvm/llvm-project/pull/91458