diff --git a/mlir/include/mlir/ExecutionEngine/ExecutionEngine.h b/mlir/include/mlir/ExecutionEngine/ExecutionEngine.h
--- a/mlir/include/mlir/ExecutionEngine/ExecutionEngine.h
+++ b/mlir/include/mlir/ExecutionEngine/ExecutionEngine.h
@@ -94,6 +94,9 @@
   /// pointer to it.  Propagates errors in case of failure.
   llvm::Expected<void (*)(void **)> lookup(StringRef name) const;
 
+  /// Maps a symbol to an in-process address.
+  llvm::Error addInProcessSymbol(StringRef name, void *address);
+
   /// Invokes the function with the given name passing it the list of arguments
   /// as a list of opaque pointers.
   llvm::Error invoke(StringRef name, MutableArrayRef<void *> args = llvm::None);
diff --git a/mlir/lib/ExecutionEngine/ExecutionEngine.cpp b/mlir/lib/ExecutionEngine/ExecutionEngine.cpp
--- a/mlir/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/mlir/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -335,6 +335,12 @@
   return fptr;
 }
 
+llvm::Error ExecutionEngine::addInProcessSymbol(StringRef name, void *address) {
+  return jit->getMainJITDylib().define(llvm::orc::absoluteSymbols(
+      {{jit->getExecutionSession().intern(name),
+        llvm::JITEvaluatedSymbol::fromPointer(address)}}));
+}
+
 Error ExecutionEngine::invoke(StringRef name, MutableArrayRef<void *> args) {
   auto expectedFPtr = lookup(name);
   if (!expectedFPtr)