[mlir] Make classof substitution in interface use an instance
#65492
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joker-eph
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Sep 7, 2023
jpienaar
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Sep 7, 2023
The substitution supported by `extraClassOf` is currently limited to only the base instance, i.e. `Operation*`, `Type` or `Attribute`, which limits the kind of checks you can perform in the `classof` implementation. Since prior to the user code, the interface concept is fetched, we can use it to construct an instance of the interface, allowing use of its methods in the `classof` check. Since an instance of the interface allows access to the base class methods through the `->` operator, I've gone ahead and replaced the substitution of `$_op/$_type/$_attr` with an interface instance. This is also consistent with `extraSharedClassDeclaration` and other methods created in the interface class which do the same.
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…#65492) The substitution supported by `extraClassOf` is currently limited to only the base instance, i.e. `Operation*`, `Type` or `Attribute`, which limits the kind of checks you can perform in the `classof` implementation. Since prior to the user code, the interface concept is fetched, we can use it to construct an instance of the interface, allowing use of its methods in the `classof` check. Since an instance of the interface allows access to the base class methods through the `->` operator, I've gone ahead and replaced the substitution of `$_op/$_type/$_attr` with an interface instance. This is also consistent with `extraSharedClassDeclaration` and other methods created in the interface class which do the same.
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The substitution supported by
extraClassOfis currently limited to only the base instance, i.e.Operation*,TypeorAttribute, which limits the kind of checks you can perform in theclassofimplementation.Since prior to the user code, the interface concept is fetched, we can use it to construct an instance of the interface, allowing use of its methods in the
classofcheck.Since an instance of the interface allows access to the base class methods through the
->operator, I've gone ahead and replaced the substitution of$_op/$_type/$_attrwith an interface instance. This is also consistent withextraSharedClassDeclarationand other methods created in the interface class which do the same.