diff --git a/mlir/include/mlir/IR/BuiltinAttributes.h b/mlir/include/mlir/IR/BuiltinAttributes.h
--- a/mlir/include/mlir/IR/BuiltinAttributes.h
+++ b/mlir/include/mlir/IR/BuiltinAttributes.h
@@ -10,6 +10,7 @@
 #define MLIR_IR_BUILTINATTRIBUTES_H
 
 #include "mlir/IR/Attributes.h"
+#include "mlir/IR/Identifier.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/Sequence.h"
 #include <complex>
diff --git a/mlir/include/mlir/IR/BuiltinAttributes.td b/mlir/include/mlir/IR/BuiltinAttributes.td
--- a/mlir/include/mlir/IR/BuiltinAttributes.td
+++ b/mlir/include/mlir/IR/BuiltinAttributes.td
@@ -114,13 +114,13 @@
 
   public:
     template <typename AttrTy>
-    iterator_range<attr_value_iterator<AttrTy>> getAsRange() {
+    iterator_range<attr_value_iterator<AttrTy>> getAsRange() const {
       return llvm::make_range(attr_value_iterator<AttrTy>(begin()),
                               attr_value_iterator<AttrTy>(end()));
     }
     template <typename AttrTy,
               typename UnderlyingTy = typename AttrTy::ValueType>
-    auto getAsValueRange() {
+    auto getAsValueRange() const {
       return llvm::map_range(getAsRange<AttrTy>(), [](AttrTy attr) {
         return static_cast<UnderlyingTy>(attr.getValue());
       });
@@ -346,7 +346,11 @@
     /// Return the specified attribute if present and is an instance of
     /// `AttrClass`, null otherwise.
     template<typename AttrClass>
-    AttrClass getAs(StringRef name) {
+    AttrClass getAs(StringRef name) const {
+      return get(name).dyn_cast_or_null<AttrClass>();
+    }
+    template<typename AttrClass>
+    AttrClass getAs(Identifier name) const {
       return get(name).dyn_cast_or_null<AttrClass>();
     }