[Mlir-commits] [mlir] [MLIR][DLTI] Introduce DLTIQueryInterface and impl for DLTI attrs (PR #104595)

[Renato Golin]

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@@ -33,6 +33,17 @@ DataLayoutSpecInterface getDataLayoutSpec(Operation *op);
 /// DataLayoutOpInterface, a method on ModuleOp, or an attribute implementing
 /// the interface, on `op` and else on `op`'s ancestors in turn.
 TargetSystemSpecInterface getTargetSystemSpec(Operation *op);
+
+/// Retrieve the first `DLTIQueryInterface`-implementing attribute that is
+/// attached to `op` or such an attr on as close as possible an ancestor. The
+/// op the attribute is attached to is returned as well.
+std::pair<DLTIQueryInterface, Operation *> getClosestQueryable(Operation *op);
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rengolin wrote:

At least it could be a private method or something, doesn't matter. However, I would not remove this without further consultation. @ftynse @Dinistro @banach-space 

https://github.com/llvm/llvm-project/pull/104595