diff --git a/flang/include/flang/Optimizer/CodeGen/CodeGen.h b/flang/include/flang/Optimizer/CodeGen/CodeGen.h
new file mode 100644
--- /dev/null
+++ b/flang/include/flang/Optimizer/CodeGen/CodeGen.h
@@ -0,0 +1,34 @@
+//===-- Optimizer/CodeGen/CodeGen.h -- code generation ----------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef OPTIMIZER_CODEGEN_CODEGEN_H
+#define OPTIMIZER_CODEGEN_CODEGEN_H
+
+#include <memory>
+
+namespace llvm {
+class raw_ostream;
+}
+namespace mlir {
+class Pass;
+}
+
+namespace fir {
+
+struct NameUniquer;
+
+/// Convert FIR to the LLVM IR dialect
+std::unique_ptr<mlir::Pass> createFIRToLLVMPass(NameUniquer &uniquer);
+
+/// Convert the LLVM IR dialect to LLVM-IR proper
+std::unique_ptr<mlir::Pass>
+createLLVMDialectToLLVMPass(llvm::raw_ostream &output);
+
+} // namespace fir
+
+#endif // OPTIMIZER_CODEGEN_CODEGEN_H