[Mlir-commits] [mlir] [mlir][irdl] Add `irdl.base` op (PR #76400)

[Jeff Niu]

================
@@ -69,6 +69,39 @@ LogicalResult IsConstraint::verify(function_ref<InFlightDiagnostic()> emitError,
   return failure();
 }
 
+LogicalResult
+BaseAttrConstraint::verify(function_ref<InFlightDiagnostic()> emitError,
+                           Attribute attr, ConstraintVerifier &context) const {
+  if (attr.getTypeID() == baseTypeID)
+    return success();
+
+  if (emitError)
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Mogball wrote:

isn't this always non-null?

https://github.com/llvm/llvm-project/pull/76400