diff --git a/mlir/include/mlir/IR/AsmState.h b/mlir/include/mlir/IR/AsmState.h
--- a/mlir/include/mlir/IR/AsmState.h
+++ b/mlir/include/mlir/IR/AsmState.h
@@ -77,69 +77,74 @@
 //===----------------------------------------------------------------------===//
 // Resource Entry
 
-/// This class is used to build resource entries for use by the printer. Each
-/// resource entry is represented using a key/value pair. The provided key must
-/// be unique within the current context, which allows for a client to provide
-/// resource entries without worrying about overlap with other clients.
-class AsmResourceBuilder {
-public:
-  virtual ~AsmResourceBuilder();
-
-  /// Build a resource entry represented by the given bool.
-  virtual void buildBool(StringRef key, bool data) = 0;
-
-  /// Build a resource entry represented by the given human-readable string
-  /// value.
-  virtual void buildString(StringRef key, StringRef data) = 0;
-
-  /// Build an resource entry represented by the given binary blob data.
-  virtual void buildBlob(StringRef key, ArrayRef<char> data,
-                         uint32_t dataAlignment) = 0;
-  /// Build an resource entry represented by the given binary blob data. This is
-  /// a useful overload if the data type is known. Note that this does not
-  /// support `char` element types to avoid accidentally not providing the
-  /// expected alignment of data in situations that treat blobs generically.
-  template <typename T>
-  std::enable_if_t<!std::is_same<T, char>::value> buildBlob(StringRef key,
-                                                            ArrayRef<T> data) {
-    buildBlob(
-        key, ArrayRef<char>((const char *)data.data(), data.size() * sizeof(T)),
-        alignof(T));
-  }
-};
-
 /// This class represents a processed binary blob of data. A resource blob is
 /// essentially a collection of data, potentially mutable, with an associated
 /// deleter function (used if the data needs to be destroyed).
 class AsmResourceBlob {
 public:
-  /// A deleter function that frees a blob given the data and allocation size.
-  using DeleterFn = llvm::unique_function<void(const void *data, size_t size)>;
+  /// A deleter function that frees a blob given the data, allocation size, and
+  /// allocation aligment.
+  using DeleterFn =
+      llvm::unique_function<void(void *data, size_t size, size_t align)>;
+
+  //===--------------------------------------------------------------------===//
+  // Construction
+  //===--------------------------------------------------------------------===//
 
   AsmResourceBlob() = default;
-  AsmResourceBlob(ArrayRef<char> data, DeleterFn deleter, bool dataIsMutable)
-      : data(data), deleter(std::move(deleter)), dataIsMutable(dataIsMutable) {}
+  AsmResourceBlob(ArrayRef<char> data, unsigned dataAlignment,
+                  DeleterFn deleter, bool dataIsMutable)
+      : data(data), dataAlignment(dataAlignment), deleter(std::move(deleter)),
+        dataIsMutable(dataIsMutable) {}
   /// Utility constructor that initializes a blob with a non-char type T.
   template <typename T, typename DelT>
   AsmResourceBlob(ArrayRef<T> data, DelT &&deleteFn, bool dataIsMutable)
       : data((const char *)data.data(), data.size() * sizeof(T)),
-        deleter([deleteFn = std::forward<DelT>(deleteFn)](const void *data,
-                                                          size_t size) {
-          return deleteFn((const T *)data, size);
+        dataAlignment(alignof(T)),
+        deleter([deleteFn = std::forward<DelT>(deleteFn)](
+                    void *data, size_t size, size_t align) {
+          return deleteFn((T *)data, size, align);
         }),
         dataIsMutable(dataIsMutable) {}
   AsmResourceBlob(AsmResourceBlob &&) = default;
-  AsmResourceBlob &operator=(AsmResourceBlob &&) = default;
+  AsmResourceBlob &operator=(AsmResourceBlob &&rhs) {
+    // Delete the current blob if necessary.
+    if (deleter)
+      deleter(const_cast<char *>(data.data()), data.size(), dataAlignment);
+
+    // Take the data entries from rhs.
+    data = rhs.data;
+    dataAlignment = rhs.dataAlignment;
+    deleter = std::move(rhs.deleter);
+    dataIsMutable = rhs.dataIsMutable;
+    return *this;
+  }
   AsmResourceBlob(const AsmResourceBlob &) = delete;
   AsmResourceBlob &operator=(const AsmResourceBlob &) = delete;
   ~AsmResourceBlob() {
     if (deleter)
-      deleter(data.data(), data.size());
+      deleter(const_cast<char *>(data.data()), data.size(), dataAlignment);
   }
 
+  //===--------------------------------------------------------------------===//
+  // Data Access
+  //===--------------------------------------------------------------------===//
+
+  /// Return the alignment of the underlying data.
+  unsigned getDataAlignment() const { return dataAlignment; }
+
   /// Return the raw underlying data of this blob.
   ArrayRef<char> getData() const { return data; }
 
+  /// Return the underlying data as an array of the given type. This is an
+  /// inherrently unsafe operation, and should only be used when the data is
+  /// known to be of the correct type.
+  template <typename T>
+  ArrayRef<T> getDataAs() const {
+    return llvm::makeArrayRef<T>((const T *)data.data(),
+                                 data.size() / sizeof(T));
+  }
+
   /// Return a mutable reference to the raw underlying data of this blob.
   /// Asserts that the blob `isMutable`.
   MutableArrayRef<char> getMutableData() {
@@ -159,6 +164,9 @@
   /// The raw, properly aligned, blob data.
   ArrayRef<char> data;
 
+  /// The alignment of the data.
+  unsigned dataAlignment = 0;
+
   /// An optional deleter function used to deallocate the underlying data when
   /// necessary.
   DeleterFn deleter;
@@ -167,6 +175,85 @@
   bool dataIsMutable;
 };
 
+/// This class provides a simple utility wrapper for creating heap allocated
+/// AsmResourceBlobs.
+class HeapAsmResourceBlob : public AsmResourceBlob {
+public:
+  /// Create a new heap allocated blob with the given size and alignment.
+  static AsmResourceBlob allocate(size_t size, size_t align) {
+    return AsmResourceBlob(
+        ArrayRef<char>((char *)llvm::allocate_buffer(size, align), size), align,
+        llvm::deallocate_buffer, true);
+  }
+  /// Create a new heap allocated blob and copy the provided data into it.
+  static AsmResourceBlob allocateAndCopy(ArrayRef<char> data, size_t align) {
+    AsmResourceBlob blob = allocate(data.size(), align);
+    std::memcpy(blob.getMutableData().data(), data.data(), data.size());
+    return blob;
+  }
+  template <typename T>
+  static std::enable_if_t<!std::is_same<T, char>::value, AsmResourceBlob>
+  allocateAndCopy(ArrayRef<T> data) {
+    return allocateAndCopy(
+        ArrayRef<char>((const char *)data.data(), data.size() * sizeof(T)),
+        alignof(T));
+  }
+};
+/// This class provides a simple utility wrapper for creating "immortal"
+/// AsmResourceBlobs. The lifetime of the data provided to these blobs is
+/// guaranteed to persist beyond the lifetime of this reference.
+class ImmortalAsmResourceBlob : public AsmResourceBlob {
+public:
+  /// Create a new heap allocated blob and copy the provided data into it.
+  static AsmResourceBlob allocate(ArrayRef<char> data, size_t align) {
+    return AsmResourceBlob(data, align, /*deleter=*/{},
+                           /*dataIsMutable=*/false);
+  }
+  template <typename T>
+  static std::enable_if_t<!std::is_same<T, char>::value, AsmResourceBlob>
+  allocate(ArrayRef<T> data) {
+    return allocate(
+        ArrayRef<char>((const char *)data.data(), data.size() * sizeof(T)),
+        alignof(T));
+  }
+};
+
+/// This class is used to build resource entries for use by the printer. Each
+/// resource entry is represented using a key/value pair. The provided key must
+/// be unique within the current context, which allows for a client to provide
+/// resource entries without worrying about overlap with other clients.
+class AsmResourceBuilder {
+public:
+  virtual ~AsmResourceBuilder();
+
+  /// Build a resource entry represented by the given bool.
+  virtual void buildBool(StringRef key, bool data) = 0;
+
+  /// Build a resource entry represented by the given human-readable string
+  /// value.
+  virtual void buildString(StringRef key, StringRef data) = 0;
+
+  /// Build an resource entry represented by the given binary blob data.
+  virtual void buildBlob(StringRef key, ArrayRef<char> data,
+                         uint32_t dataAlignment) = 0;
+  /// Build an resource entry represented by the given binary blob data. This is
+  /// a useful overload if the data type is known. Note that this does not
+  /// support `char` element types to avoid accidentally not providing the
+  /// expected alignment of data in situations that treat blobs generically.
+  template <typename T>
+  std::enable_if_t<!std::is_same<T, char>::value> buildBlob(StringRef key,
+                                                            ArrayRef<T> data) {
+    buildBlob(
+        key, ArrayRef<char>((const char *)data.data(), data.size() * sizeof(T)),
+        alignof(T));
+  }
+  /// Build an resource entry represented by the given resource blob. This is
+  /// a useful overload if a blob already exists in-memory.
+  void buildBlob(StringRef key, const AsmResourceBlob &blob) {
+    buildBlob(key, blob.getData(), blob.getDataAlignment());
+  }
+};
+
 /// This class represents a single parsed resource entry.
 class AsmParsedResourceEntry {
 public:
@@ -186,17 +273,22 @@
   /// failure if the entry does not correspond to a string.
   virtual FailureOr<std::string> parseAsString() const = 0;
 
-  /// The type of an allocator function used to allocate memory for a blob when
-  /// required. The function is provided a size and alignment, and should return
-  /// an aligned allocation buffer.
+  /// An allocator function used to allocate memory for a blob when required.
+  /// The function is provided a size and alignment, and should return an
+  /// aligned allocation buffer.
   using BlobAllocatorFn =
-      function_ref<AsmResourceBlob(unsigned size, unsigned align)>;
+      function_ref<AsmResourceBlob(size_t size, size_t align)>;
 
   /// Parse the resource entry represented by a binary blob. Returns failure if
   /// the entry does not correspond to a blob. If the blob needed to be
   /// allocated, the given allocator function is invoked.
   virtual FailureOr<AsmResourceBlob>
   parseAsBlob(BlobAllocatorFn allocator) const = 0;
+  /// Parse the resource entry represented by a binary blob using heap
+  /// allocation.
+  FailureOr<AsmResourceBlob> parseAsBlob() const {
+    return parseAsBlob(HeapAsmResourceBlob::allocate);
+  }
 };
 
 //===----------------------------------------------------------------------===//
diff --git a/mlir/include/mlir/IR/Dialect.h b/mlir/include/mlir/IR/Dialect.h
--- a/mlir/include/mlir/IR/Dialect.h
+++ b/mlir/include/mlir/IR/Dialect.h
@@ -157,13 +157,13 @@
 
   /// Lookup an interface for the given ID if one is registered, otherwise
   /// nullptr.
-  const DialectInterface *getRegisteredInterface(TypeID interfaceID) {
+  DialectInterface *getRegisteredInterface(TypeID interfaceID) {
     auto it = registeredInterfaces.find(interfaceID);
     return it != registeredInterfaces.end() ? it->getSecond().get() : nullptr;
   }
   template <typename InterfaceT>
-  const InterfaceT *getRegisteredInterface() {
-    return static_cast<const InterfaceT *>(
+  InterfaceT *getRegisteredInterface() {
+    return static_cast<InterfaceT *>(
         getRegisteredInterface(InterfaceT::getInterfaceID()));
   }
 
@@ -189,6 +189,12 @@
     (void)std::initializer_list<int>{
         0, (addInterface(std::make_unique<Args>(this)), 0)...};
   }
+  template <typename InterfaceT, typename... Args>
+  InterfaceT &addInterface(Args &&...args) {
+    InterfaceT *interface = new InterfaceT(this, std::forward<Args>(args)...);
+    addInterface(std::unique_ptr<DialectInterface>(interface));
+    return *interface;
+  }
 
 protected:
   /// The constructor takes a unique namespace for this dialect as well as the
@@ -305,15 +311,11 @@
 };
 template <typename T>
 struct cast_retty_impl<T, ::mlir::Dialect *> {
-  using ret_type =
-      std::conditional_t<std::is_base_of<::mlir::Dialect, T>::value, T *,
-                         const T *>;
+  using ret_type = T *;
 };
 template <typename T>
 struct cast_retty_impl<T, ::mlir::Dialect> {
-  using ret_type =
-      std::conditional_t<std::is_base_of<::mlir::Dialect, T>::value, T &,
-                         const T &>;
+  using ret_type = T &;
 };
 
 template <typename T>
@@ -325,7 +327,7 @@
   }
   template <typename To>
   static std::enable_if_t<std::is_base_of<::mlir::DialectInterface, To>::value,
-                          const To &>
+                          To &>
   doitImpl(::mlir::Dialect &dialect) {
     return *dialect.getRegisteredInterface<To>();
   }
diff --git a/mlir/include/mlir/IR/DialectResourceBlobManager.h b/mlir/include/mlir/IR/DialectResourceBlobManager.h
new file mode 100644
--- /dev/null
+++ b/mlir/include/mlir/IR/DialectResourceBlobManager.h
@@ -0,0 +1,197 @@
+//===- DialectResourceBlobManager.h - Dialect Blob Management ---*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines utility classes for referencing and managing asm resource
+// blobs. These classes are intended to more easily facilitate the sharing of
+// large blobs, and their definition.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MLIR_IR_DIALECTRESOURCEBLOBMANAGER_H
+#define MLIR_IR_DIALECTRESOURCEBLOBMANAGER_H
+
+#include "mlir/IR/AsmState.h"
+#include "mlir/IR/OpImplementation.h"
+#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/RWMutex.h"
+#include "llvm/Support/SMLoc.h"
+
+namespace mlir {
+//===----------------------------------------------------------------------===//
+// DialectResourceBlobManager
+//===---------------------------------------------------------------------===//
+
+/// This class defines a manager for dialect resource blobs. Blobs are uniqued
+/// by a given key, and represented using AsmResourceBlobs.
+class DialectResourceBlobManager {
+public:
+  /// The class represents an individual entry of a blob.
+  class BlobEntry {
+  public:
+    /// Return the key used to reference this blob.
+    StringRef getKey() const { return key; }
+
+    /// Return the blob owned by this entry.
+    const AsmResourceBlob &getBlob() const { return blob; }
+    AsmResourceBlob &getBlob() { return blob; }
+
+    /// Set the blob owned by this entry.
+    void setBlob(AsmResourceBlob &&newBlob) { blob = std::move(newBlob); }
+
+  private:
+    BlobEntry() = default;
+    BlobEntry(BlobEntry &&) = default;
+    BlobEntry &operator=(const BlobEntry &) = delete;
+    BlobEntry &operator=(BlobEntry &&) = delete;
+
+    /// Initialize this entry with the given key and blob.
+    void initialize(StringRef newKey, AsmResourceBlob &&newBlob) {
+      key = newKey;
+      blob = std::move(newBlob);
+    }
+
+    /// The key used for this blob.
+    StringRef key;
+
+    /// The blob that is referenced by this entry.
+    AsmResourceBlob blob;
+
+    /// Allow access to the constructors.
+    friend DialectResourceBlobManager;
+    friend class llvm::StringMapEntryStorage<BlobEntry>;
+  };
+
+  /// Return the blob registered for the given name, or nullptr if no blob
+  /// is registered.
+  BlobEntry *lookup(StringRef name);
+  const BlobEntry *lookup(StringRef name) const {
+    return const_cast<DialectResourceBlobManager *>(this)->lookup(name);
+  }
+
+  /// Update the blob for the entry defined by the provided name. This method
+  /// asserts that an entry for the given name exists in the manager.
+  void update(StringRef name, AsmResourceBlob &&newBlob);
+
+  /// Insert a new entry with the provided name and optional blob data. The name
+  /// may be modified during insertion if another entry already exists with that
+  /// name. Returns the inserted entry.
+  BlobEntry &insert(StringRef name, AsmResourceBlob &&blob = {});
+  /// Insertion method that returns a dialect specific handle to the inserted
+  /// entry.
+  template <typename HandleT>
+  HandleT insert(typename HandleT::Dialect *dialect, StringRef name,
+                 AsmResourceBlob &&blob = {}) {
+    BlobEntry &entry = insert(name, std::move(blob));
+    return HandleT(&entry, dialect);
+  }
+
+private:
+  /// A mutex to protect access to the blob map.
+  llvm::sys::SmartRWMutex<true> blobMapLock;
+
+  /// The internal map of tracked blobs. StringMap stores entries in distinct
+  /// allocations, so we can freely take references to the data without fear of
+  /// invalidation during additional insertion/deletion.
+  llvm::StringMap<BlobEntry> blobMap;
+};
+
+//===----------------------------------------------------------------------===//
+// ResourceBlobManagerDialectInterface
+//===---------------------------------------------------------------------===//
+
+/// This class implements a dialect interface that provides common functionality
+/// for interacting with a resource blob manager.
+class ResourceBlobManagerDialectInterface
+    : public DialectInterface::Base<ResourceBlobManagerDialectInterface> {
+public:
+  ResourceBlobManagerDialectInterface(Dialect *dialect)
+      : Base(dialect),
+        blobManager(std::make_shared<DialectResourceBlobManager>()) {}
+
+  /// Return the blob manager held by this interface.
+  DialectResourceBlobManager &getBlobManager() { return *blobManager; }
+  const DialectResourceBlobManager &getBlobManager() const {
+    return *blobManager;
+  }
+
+  /// Set the blob manager held by this interface.
+  void
+  setBlobManager(std::shared_ptr<DialectResourceBlobManager> newBlobManager) {
+    blobManager = std::move(newBlobManager);
+  }
+
+private:
+  /// The blob manager owned by the dialect implementing this interface.
+  std::shared_ptr<DialectResourceBlobManager> blobManager;
+};
+
+/// This class provides a base class for dialects implementing the resource blob
+/// interface. It provides several additional dialect specific utilities on top
+/// of the generic interface. `HandleT` is the type of the handle used to
+/// reference a resource blob.
+template <typename HandleT>
+class ResourceBlobManagerDialectInterfaceBase
+    : public ResourceBlobManagerDialectInterface {
+public:
+  using ResourceBlobManagerDialectInterface::
+      ResourceBlobManagerDialectInterface;
+
+  /// Update the blob for the entry defined by the provided name. This method
+  /// asserts that an entry for the given name exists in the manager.
+  void update(StringRef name, AsmResourceBlob &&newBlob) {
+    getBlobManager().update(name, std::move(newBlob));
+  }
+
+  /// Insert a new resource blob entry with the provided name and optional blob
+  /// data. The name may be modified during insertion if another entry already
+  /// exists with that name. Returns a dialect specific handle to the inserted
+  /// entry.
+  HandleT insert(StringRef name, AsmResourceBlob &&blob = {}) {
+    return getBlobManager().template insert<HandleT>(
+        cast<typename HandleT::Dialect>(getDialect()), name, std::move(blob));
+  }
+
+  /// Build resources for each of the referenced blobs within this manager.
+  void buildResources(AsmResourceBuilder &provider,
+                      ArrayRef<AsmDialectResourceHandle> referencedResources) {
+    for (const AsmDialectResourceHandle &handle : referencedResources)
+      if (const auto *dialectHandle = dyn_cast<HandleT>(&handle))
+        provider.buildBlob(dialectHandle->getKey(), dialectHandle->getBlob());
+  }
+};
+
+//===----------------------------------------------------------------------===//
+// DialectResourceBlobHandle
+//===---------------------------------------------------------------------===//
+
+/// This class defines a dialect specific handle to a resource blob. These
+/// handles utilize a StringRef for the internal key, and an AsmResourceBlob as
+/// the underlying data.
+template <typename DialectT>
+struct DialectResourceBlobHandle
+    : public AsmDialectResourceHandleBase<DialectResourceBlobHandle<DialectT>,
+                                          DialectResourceBlobManager::BlobEntry,
+                                          DialectT> {
+  using AsmDialectResourceHandleBase<DialectResourceBlobHandle<DialectT>,
+                                     DialectResourceBlobManager::BlobEntry,
+                                     DialectT>::AsmDialectResourceHandleBase;
+
+  /// Return the human readable string key for this handle.
+  StringRef getKey() const { return this->getResource()->getKey(); }
+
+  /// Return the blob referenced by this handle.
+  AsmResourceBlob &getBlob() { return this->getResource()->getBlob(); }
+  const AsmResourceBlob &getBlob() const {
+    return this->getResource()->getBlob();
+  }
+};
+
+} // namespace mlir
+
+#endif // MLIR_IR_DIALECTRESOURCEBLOBMANAGER_H
diff --git a/mlir/lib/IR/CMakeLists.txt b/mlir/lib/IR/CMakeLists.txt
--- a/mlir/lib/IR/CMakeLists.txt
+++ b/mlir/lib/IR/CMakeLists.txt
@@ -12,6 +12,7 @@
   BuiltinTypeInterfaces.cpp
   Diagnostics.cpp
   Dialect.cpp
+  DialectResourceBlobManager.cpp
   Dominance.cpp
   ExtensibleDialect.cpp
   FunctionImplementation.cpp
diff --git a/mlir/lib/IR/DialectResourceBlobManager.cpp b/mlir/lib/IR/DialectResourceBlobManager.cpp
new file mode 100644
--- /dev/null
+++ b/mlir/lib/IR/DialectResourceBlobManager.cpp
@@ -0,0 +1,63 @@
+//===- DialectResourceBlobManager.cpp - Dialect Blob Management -----------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/IR/DialectResourceBlobManager.h"
+#include "llvm/ADT/SmallString.h"
+
+using namespace mlir;
+
+//===----------------------------------------------------------------------===//
+// DialectResourceBlobManager
+//===---------------------------------------------------------------------===//
+
+auto DialectResourceBlobManager::lookup(StringRef name) -> BlobEntry * {
+  llvm::sys::SmartScopedReader<true> reader(blobMapLock);
+
+  auto it = blobMap.find(name);
+  return it != blobMap.end() ? &it->second : nullptr;
+}
+
+void DialectResourceBlobManager::update(StringRef name,
+                                        AsmResourceBlob &&newBlob) {
+  BlobEntry *entry = lookup(name);
+  assert(entry && "`update` expects an existing entry for the provided name");
+  entry->setBlob(std::move(newBlob));
+}
+
+auto DialectResourceBlobManager::insert(StringRef name, AsmResourceBlob &&blob)
+    -> BlobEntry & {
+  llvm::sys::SmartScopedWriter<true> writer(blobMapLock);
+
+  // Functor used to attempt insertion with a given name.
+  auto tryInsertion = [&](StringRef name) -> BlobEntry * {
+    auto it = blobMap.try_emplace(name, BlobEntry());
+    if (it.second) {
+      it.first->second.initialize(it.first->getKey(), std::move(blob));
+      return &it.first->second;
+    }
+    return nullptr;
+  };
+
+  // Try inserting with the name provided by the user.
+  if (BlobEntry *entry = tryInsertion(name))
+    return *entry;
+
+  // If an entry already exists for the user provided name, tweak the name and
+  // re-attempt insertion until we find one that is unique.
+  llvm::SmallString<32> nameStorage(name);
+  nameStorage.push_back('_');
+  size_t nameCounter = 1;
+  do {
+    Twine(nameCounter++).toVector(nameStorage);
+
+    // Try inserting with the new name.
+    if (BlobEntry *entry = tryInsertion(name))
+      return *entry;
+    nameStorage.resize(name.size() + 1);
+  } while (true);
+}
diff --git a/mlir/test/lib/Dialect/Test/TestAttrDefs.td b/mlir/test/lib/Dialect/Test/TestAttrDefs.td
--- a/mlir/test/lib/Dialect/Test/TestAttrDefs.td
+++ b/mlir/test/lib/Dialect/Test/TestAttrDefs.td
@@ -243,7 +243,7 @@
   let mnemonic = "e1di64_elements";
   let parameters = (ins
     AttributeSelfTypeParameter<"", "::mlir::ShapedType">:$type,
-    ResourceHandleParameter<"TestExternalElementsDataHandle">:$handle
+    ResourceHandleParameter<"TestDialectResourceBlobHandle">:$handle
   );
   let extraClassDeclaration = [{
     /// Return the elements referenced by this attribute.
diff --git a/mlir/test/lib/Dialect/Test/TestAttributes.h b/mlir/test/lib/Dialect/Test/TestAttributes.h
--- a/mlir/test/lib/Dialect/Test/TestAttributes.h
+++ b/mlir/test/lib/Dialect/Test/TestAttributes.h
@@ -24,9 +24,14 @@
 
 #include "TestAttrInterfaces.h.inc"
 #include "TestOpEnums.h.inc"
+#include "mlir/IR/DialectResourceBlobManager.h"
 
 namespace test {
-struct TestExternalElementsDataHandle;
+class TestDialect;
+
+/// A handle used to reference external elements instances.
+using TestDialectResourceBlobHandle =
+    mlir::DialectResourceBlobHandle<TestDialect>;
 } // namespace test
 
 #define GET_ATTRDEF_CLASSES
diff --git a/mlir/test/lib/Dialect/Test/TestAttributes.cpp b/mlir/test/lib/Dialect/Test/TestAttributes.cpp
--- a/mlir/test/lib/Dialect/Test/TestAttributes.cpp
+++ b/mlir/test/lib/Dialect/Test/TestAttributes.cpp
@@ -199,7 +199,7 @@
 //===----------------------------------------------------------------------===//
 
 ArrayRef<uint64_t> TestExtern1DI64ElementsAttr::getElements() const {
-  return getHandle().getData()->getData();
+  return getHandle().getBlob().getDataAs<uint64_t>();
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/mlir/test/lib/Dialect/Test/TestDialect.h b/mlir/test/lib/Dialect/Test/TestDialect.h
--- a/mlir/test/lib/Dialect/Test/TestDialect.h
+++ b/mlir/test/lib/Dialect/Test/TestDialect.h
@@ -25,6 +25,7 @@
 #include "mlir/IR/BuiltinOps.h"
 #include "mlir/IR/BuiltinTypes.h"
 #include "mlir/IR/Dialect.h"
+#include "mlir/IR/DialectResourceBlobManager.h"
 #include "mlir/IR/ExtensibleDialect.h"
 #include "mlir/IR/OpDefinition.h"
 #include "mlir/IR/OpImplementation.h"
@@ -45,68 +46,6 @@
 class RewritePatternSet;
 } // namespace mlir
 
-namespace test {
-class TestDialect;
-
-//===----------------------------------------------------------------------===//
-// External Elements Data
-//===----------------------------------------------------------------------===//
-
-/// This class represents a single external elements instance. It keeps track of
-/// the data, and deallocates when destructed.
-class TestExternalElementsData : public mlir::AsmResourceBlob {
-public:
-  using mlir::AsmResourceBlob::AsmResourceBlob;
-  TestExternalElementsData(mlir::AsmResourceBlob &&blob)
-      : mlir::AsmResourceBlob(std::move(blob)) {}
-
-  /// Return the data of this external elements instance.
-  llvm::ArrayRef<uint64_t> getData() const;
-
-  /// Allocate a new external elements instance with the given number of
-  /// elements.
-  static TestExternalElementsData allocate(size_t numElements);
-};
-
-/// A handle used to reference external elements instances.
-struct TestExternalElementsDataHandle
-    : public mlir::AsmDialectResourceHandleBase<
-          TestExternalElementsDataHandle,
-          llvm::StringMapEntry<std::unique_ptr<TestExternalElementsData>>,
-          TestDialect> {
-  using AsmDialectResourceHandleBase::AsmDialectResourceHandleBase;
-
-  /// Return a key to use for this handle.
-  llvm::StringRef getKey() const { return getResource()->getKey(); }
-
-  /// Return the data referenced by this handle.
-  TestExternalElementsData *getData() const {
-    return getResource()->getValue().get();
-  }
-};
-
-/// This class acts as a manager for external elements data. It provides API
-/// for creating and accessing registered elements data.
-class TestExternalElementsDataManager {
-  using DataMap = llvm::StringMap<std::unique_ptr<TestExternalElementsData>>;
-
-public:
-  /// Return the data registered for the given name, or nullptr if no data is
-  /// registered.
-  const TestExternalElementsData *getData(llvm::StringRef name) const;
-
-  /// Register an entry with the provided name, which may be modified if another
-  /// entry was already inserted with that name. Returns the inserted entry.
-  std::pair<DataMap::iterator, bool> insert(llvm::StringRef name);
-
-  /// Set the data for the given entry, which is expected to exist.
-  void setData(llvm::StringRef name, TestExternalElementsData &&data);
-
-private:
-  llvm::StringMap<std::unique_ptr<TestExternalElementsData>> dataMap;
-};
-} // namespace test
-
 //===----------------------------------------------------------------------===//
 // TestDialect
 //===----------------------------------------------------------------------===//
diff --git a/mlir/test/lib/Dialect/Test/TestDialect.cpp b/mlir/test/lib/Dialect/Test/TestDialect.cpp
--- a/mlir/test/lib/Dialect/Test/TestDialect.cpp
+++ b/mlir/test/lib/Dialect/Test/TestDialect.cpp
@@ -44,55 +44,6 @@
   registry.insert<TestDialect>();
 }
 
-//===----------------------------------------------------------------------===//
-// External Elements Data
-//===----------------------------------------------------------------------===//
-
-ArrayRef<uint64_t> TestExternalElementsData::getData() const {
-  ArrayRef<char> data = AsmResourceBlob::getData();
-  return ArrayRef<uint64_t>((const uint64_t *)data.data(),
-                            data.size() / sizeof(uint64_t));
-}
-
-TestExternalElementsData
-TestExternalElementsData::allocate(size_t numElements) {
-  return TestExternalElementsData(
-      llvm::ArrayRef<uint64_t>(new uint64_t[numElements], numElements),
-      [](const uint64_t *data, size_t) { delete[] data; },
-      /*dataIsMutable=*/true);
-}
-
-const TestExternalElementsData *
-TestExternalElementsDataManager::getData(StringRef name) const {
-  auto it = dataMap.find(name);
-  return it != dataMap.end() ? &*it->second : nullptr;
-}
-
-std::pair<TestExternalElementsDataManager::DataMap::iterator, bool>
-TestExternalElementsDataManager::insert(StringRef name) {
-  auto it = dataMap.try_emplace(name, nullptr);
-  if (it.second)
-    return it;
-
-  llvm::SmallString<32> nameStorage(name);
-  nameStorage.push_back('_');
-  size_t nameCounter = 1;
-  do {
-    nameStorage += std::to_string(nameCounter++);
-    auto it = dataMap.try_emplace(nameStorage, nullptr);
-    if (it.second)
-      return it;
-    nameStorage.resize(name.size() + 1);
-  } while (true);
-}
-
-void TestExternalElementsDataManager::setData(StringRef name,
-                                              TestExternalElementsData &&data) {
-  auto it = dataMap.find(name);
-  assert(it != dataMap.end() && "data not registered");
-  it->second = std::make_unique<TestExternalElementsData>(std::move(data));
-}
-
 //===----------------------------------------------------------------------===//
 // TestDialect Interfaces
 //===----------------------------------------------------------------------===//
@@ -109,9 +60,18 @@
               "hasSingleBlockImplicitTerminator does not match "
               "SingleBlockImplicitTerminatorOp");
 
+struct TestResourceBlobManagerInterface
+    : public ResourceBlobManagerDialectInterfaceBase<
+          TestDialectResourceBlobHandle> {
+  using ResourceBlobManagerDialectInterfaceBase<
+      TestDialectResourceBlobHandle>::ResourceBlobManagerDialectInterfaceBase;
+};
+
 // Test support for interacting with the AsmPrinter.
 struct TestOpAsmInterface : public OpAsmDialectInterface {
   using OpAsmDialectInterface::OpAsmDialectInterface;
+  TestOpAsmInterface(Dialect *dialect, TestResourceBlobManagerInterface &mgr)
+      : OpAsmDialectInterface(dialect), blobManager(mgr) {}
 
   //===------------------------------------------------------------------===//
   // Aliases
@@ -176,33 +136,21 @@
 
   std::string
   getResourceKey(const AsmDialectResourceHandle &handle) const override {
-    return cast<TestExternalElementsDataHandle>(handle).getKey().str();
+    return cast<TestDialectResourceBlobHandle>(handle).getKey().str();
   }
 
   FailureOr<AsmDialectResourceHandle>
   declareResource(StringRef key) const final {
-    TestDialect *dialect = cast<TestDialect>(getDialect());
-    TestExternalElementsDataManager &mgr = dialect->getExternalDataManager();
-
-    // Resolve the reference by inserting a new entry into the manager.
-    auto it = mgr.insert(key).first;
-    return TestExternalElementsDataHandle(&*it, dialect);
+    return blobManager.insert(key);
   }
 
   LogicalResult parseResource(AsmParsedResourceEntry &entry) const final {
-    TestDialect *dialect = cast<TestDialect>(getDialect());
-    TestExternalElementsDataManager &mgr = dialect->getExternalDataManager();
-
-    // The resource entries are external constant data.
-    auto blobAllocFn = [](unsigned size, unsigned align) {
-      assert(align == alignof(uint64_t) && "unexpected data alignment");
-      return TestExternalElementsData::allocate(size / sizeof(uint64_t));
-    };
-    FailureOr<AsmResourceBlob> blob = entry.parseAsBlob(blobAllocFn);
+    FailureOr<AsmResourceBlob> blob = entry.parseAsBlob();
     if (failed(blob))
       return failure();
 
-    mgr.setData(entry.getKey(), std::move(*blob));
+    // Update the blob for this entry.
+    blobManager.update(entry.getKey(), std::move(*blob));
     return success();
   }
 
@@ -210,11 +158,12 @@
   buildResources(Operation *op,
                  const SetVector<AsmDialectResourceHandle> &referencedResources,
                  AsmResourceBuilder &provider) const final {
-    for (const AsmDialectResourceHandle &handle : referencedResources) {
-      const auto &testHandle = cast<TestExternalElementsDataHandle>(handle);
-      provider.buildBlob(testHandle.getKey(), testHandle.getData()->getData());
-    }
+    blobManager.buildResources(provider, referencedResources.getArrayRef());
   }
+
+private:
+  /// The blob manager for the dialect.
+  TestResourceBlobManagerInterface &blobManager;
 };
 
 struct TestDialectFoldInterface : public DialectFoldInterface {
@@ -412,8 +361,11 @@
   registerDynamicOp(getDynamicOneOperandTwoResultsOp(this));
   registerDynamicOp(getDynamicCustomParserPrinterOp(this));
 
-  addInterfaces<TestOpAsmInterface, TestDialectFoldInterface,
-                TestInlinerInterface, TestReductionPatternInterface>();
+  auto &blobInterface = addInterface<TestResourceBlobManagerInterface>();
+  addInterface<TestOpAsmInterface>(blobInterface);
+
+  addInterfaces<TestDialectFoldInterface, TestInlinerInterface,
+                TestReductionPatternInterface>();
   allowUnknownOperations();
 
   // Instantiate our fallback op interface that we'll use on specific
diff --git a/mlir/test/lib/Dialect/Test/TestDialect.td b/mlir/test/lib/Dialect/Test/TestDialect.td
--- a/mlir/test/lib/Dialect/Test/TestDialect.td
+++ b/mlir/test/lib/Dialect/Test/TestDialect.td
@@ -42,11 +42,6 @@
      void printType(::mlir::Type type,
                     ::mlir::DialectAsmPrinter &printer) const override;
 
-    /// Returns the external elements data manager for this dialect.
-    TestExternalElementsDataManager &getExternalDataManager() {
-      return externalDataManager;
-    }
-
   private:
     // Storage for a custom fallback interface.
     void *fallbackEffectOpInterfaces;
@@ -55,9 +50,6 @@
                                ::llvm::SetVector<::mlir::Type> &stack) const;
     void printTestType(::mlir::Type type, ::mlir::AsmPrinter &printer,
                        ::llvm::SetVector<::mlir::Type> &stack) const;
-
-    /// An external data manager used to test external elements data.
-    TestExternalElementsDataManager externalDataManager;
   }];
 }