[llvm] [SROA]: Only defer trying partial sized ptr or ptr vector types (PR #82279)

[Matt Arsenault via llvm-commits]

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@@ -2304,6 +2305,34 @@ static VectorType *isVectorPromotionViable(Partition &P, const DataLayout &DL) {
       }
     }
   };
+  auto createAndCheckVectorTypesForPromotion =
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arsenm wrote:

Can this be a regular helper function? I don't see what context this is capturing 

https://github.com/llvm/llvm-project/pull/82279