[llvm] [mlir] [MLIR] convert OpAsmDialectInterface using ODS (PR #171488)

[Jacques Pienaar via llvm-commits]

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@@ -85,6 +85,16 @@ class StaticInterfaceMethod<string desc, string retTy, string methodName,
     : InterfaceMethod<desc, retTy, methodName, args, methodBody,
                       defaultImplementation>;
 
+// This class represents a pure virtual interface method.
+class PureVirtualInterfaceMethod<string desc, string retTy, string methodName,
+                            dag args = (ins)>
+    : InterfaceMethod<desc, retTy, methodName, args>;
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jpienaar wrote:

Isn't that a InterfaceMethod without body or defaultBody?

https://github.com/llvm/llvm-project/pull/171488