[llvm] [LV] Change loops' interleave count computation (PR #73766)

[Florian Hahn via llvm-commits]

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@@ -5727,8 +5729,12 @@ LoopVectorizationCostModel::selectInterleaveCount(ElementCount VF,
   }
 
   // If trip count is known or estimated compile time constant, limit the
-  // interleave count to be less than the trip count divided by VF, provided it
-  // is at least 1.
+  // interleave count to be less than the trip count divided by VF * 2,
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fhahn wrote:

Would be good to move the commit to the code 

https://github.com/llvm/llvm-project/pull/73766