[llvm] [SandboxVectorizer] New class to actually collect and manage seeds (PR #112979)

[via llvm-commits]

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@@ -60,6 +60,16 @@ class Utils {
         getUnderlyingObject(LSI->getPointerOperand()->Val));
   }
 
+  /// \Returns the number of elements in \p Ty, that is the number of lanes
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Sterling-Augustine wrote:

Right now there is no VecUtils.h in the sandbox vectorizer. Let's wait to do this until there are enough functions where it makes sense.

https://github.com/llvm/llvm-project/pull/112979