[flang] [llvm] [mlir] [flang][OpenMP] Enable tiling (PR #143715)

[Sergio Afonso via llvm-commits]

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@@ -577,12 +598,52 @@ static void convertLoopBounds(lower::AbstractConverter &converter,
   }
 }
 
-bool collectLoopRelatedInfo(
+/// Populates the sizes vector with values if the given OpenMPConstruct
+/// Contains a loop construct with an inner tiling construct.
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skatrak wrote:

```suggestion
/// contains a loop construct with an inner tiling construct.
```

https://github.com/llvm/llvm-project/pull/143715