diff --git a/mlir/include/mlir/Dialect/Complex/IR/ComplexAttributes.td b/mlir/include/mlir/Dialect/Complex/IR/ComplexAttributes.td
--- a/mlir/include/mlir/Dialect/Complex/IR/ComplexAttributes.td
+++ b/mlir/include/mlir/Dialect/Complex/IR/ComplexAttributes.td
@@ -53,6 +53,12 @@
     }]>
   ];
 
+  let extraClassDeclaration = [{
+    std::complex<APFloat> getValue() {
+      return std::complex<APFloat>(getReal(), getImag());
+    }
+  }];
+
   let genVerifyDecl = 1;
   let hasCustomAssemblyFormat = 1;
   let skipDefaultBuilders = 1;