[llvm] [LV] Vectorize histogram operations (PR #99851)

[Florian Hahn via llvm-commits]

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@@ -1047,6 +1048,96 @@ void VPWidenCallRecipe::print(raw_ostream &O, const Twine &Indent,
     O << ")";
   }
 }
+#endif
+
+void VPHistogramRecipe::execute(VPTransformState &State) {
+  State.setDebugLocFrom(getDebugLoc());
+  IRBuilderBase &Builder = State.Builder;
+
+  for (unsigned Part = 0; Part < State.UF; ++Part) {
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fhahn wrote:

It looks like the PR needs a rebase I think

https://github.com/llvm/llvm-project/pull/99851