[llvm] [LV] Add initial legality checks for loops with unbound loads. (PR #152422)

[David Sherwood via llvm-commits]

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@@ -870,3 +870,21 @@ bool llvm::isDereferenceableReadOnlyLoop(
   }
   return true;
 }
+
+bool llvm::isReadOnlyLoopWithSafeOrSpeculativeLoads(
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david-arm wrote:

Perhaps just replace `isDereferenceableReadOnlyLoop` with this instead?

https://github.com/llvm/llvm-project/pull/152422