Index: flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
===================================================================
--- flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
+++ flang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -19,6 +19,7 @@
 #include "flang/Frontend/FrontendActions.h"
 #include "flang/Frontend/FrontendPluginRegistry.h"
 
+#include "mlir/IR/AsmState.h"
 #include "mlir/IR/MLIRContext.h"
 #include "mlir/Pass/PassManager.h"
 #include "clang/Driver/Options.h"
@@ -142,6 +143,7 @@
   if (!flang->getFrontendOpts().mlirArgs.empty()) {
     mlir::registerMLIRContextCLOptions();
     mlir::registerPassManagerCLOptions();
+    mlir::registerAsmPrinterCLOptions();
     unsigned numArgs = flang->getFrontendOpts().mlirArgs.size();
     auto args = std::make_unique<const char *[]>(numArgs + 2);
     args[0] = "flang (MLIR option parsing)";
Index: flang/test/Driver/mmlir-opts.f90
===================================================================
--- /dev/null
+++ flang/test/Driver/mmlir-opts.f90
@@ -0,0 +1,12 @@
+! Verify that registerMLIRContextCLOptions, registerPassManagerCLOptions and
+! registerAsmPrinterCLOptions `-mmlir` options  are available to the driver.
+
+! RUN: %flang_fc1  -mmlir --help | FileCheck %s --check-prefix=MLIR
+
+! MLIR: flang (MLIR option parsing) [options]
+! Registered via registerPassManagerCLOptions
+! MLIR: --mlir-pass-pipeline-local-reproducer
+! Registered via registerAsmPrinterCLOptions
+! MLIR: --mlir-print-local-scope
+! Registered via registerMLIRContextCLOptions
+! MLIR: --mlir-print-op-on-diagnostic