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

[Graham Hunter via llvm-commits]

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@@ -30,6 +31,7 @@
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/LoopUtils.h"
 #include "llvm/Transforms/Utils/ScalarEvolutionExpander.h"
+#include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
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huntergr-arm wrote:

This was done with the last round of updates. Old diff?

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