Let mlir-miopen-driver to recognize mlir-opt options.

mlir/tools/mlir-miopen-driver/mlir-miopen-driver.cpp

@@ -23,6 +23,9 @@
 #include "mlir/IR/StandardTypes.h"
 #include "mlir/IR/Types.h"
 #include "mlir/InitAllDialects.h"
+#include "mlir/InitAllPasses.h"
+#include "mlir/Pass/Pass.h"
+#include "mlir/Pass/PassManager.h"
 #include "mlir/Support/FileUtilities.h"
 #include "mlir/Support/LogicalResult.h"
 
@@ -275,10 +278,24 @@ static LogicalResult populateModule(ModuleOp &module, OpBuilder &builder,
   return success();
 }
 
+static LogicalResult runMLIRPasses(ModuleOp &module, mlir::PassPipelineCLParser &passPipeline) {
+  PassManager pm(module.getContext());
+  applyPassManagerCLOptions(pm);
+  if (failed(passPipeline.addToPipeline(pm)))
+      return failure();
+
+  return pm.run(module);
+}
+
 int main(int argc, char **argv) {
   mlir::registerAllDialects();
+  mlir::registerAllPasses();
   InitLLVM y(argc, argv);
 
+  // Register any pass manager command line options.
+  mlir::registerPassManagerCLOptions();
+  mlir::PassPipelineCLParser passPipeline("", "compiler passes to run");
+
   // Parse pass names in main to ensure static initialization completed.
   cl::ParseCommandLineOptions(argc, argv, "MLIR MIOpen Dialect driver\n");
 
@@ -293,6 +310,12 @@ int main(int argc, char **argv) {
     exit(1);
   }
 
+  // Apply passes.
+  if (failed(runMLIRPasses(module, passPipeline))) {
+    llvm::errs() << "Lowering failed\n";
+    exit(1);
+  }
+
   // Set up the output file.
   std::string errorMessage;
   auto output = openOutputFile(outputFilename, &errorMessage);