1 files changed, 46 insertions, 0 deletions
diff --git a/tools/opt/NewPMDriver.cpp b/tools/opt/NewPMDriver.cpp
new file mode 100644
index 0000000000..e577995e26
--- /dev/null
+++ b/tools/opt/NewPMDriver.cpp
@@ -0,0 +1,46 @@
+//===- NewPMDriver.cpp - Driver for opt with new PM -----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+/// \file
+///
+/// This file is just a split of the code that logically belongs in opt.cpp but
+/// that includes the new pass manager headers.
+///
+//===----------------------------------------------------------------------===//
+
+#include "NewPMDriver.h"
+#include "Passes.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/PassManager.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ToolOutputFile.h"
+
+using namespace llvm;
+
+bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
+                           tool_output_file *Out, StringRef PassPipeline,
+                           bool NoOutput) {
+  // Before executing passes, print the final values of the LLVM options.
+  cl::PrintOptionValues();
+
+  ModulePassManager MPM;
+  if (!parsePassPipeline(MPM, PassPipeline)) {
+    errs() << Arg0 << ": unable to parse pass pipeline description.\n";
+    return false;
+  }
+
+  // Now that we have all of the passes ready, run them.
+  MPM.run(&M);
+
+  // Declare success.
+  if (!NoOutput)
+    Out->keep();
+  return true;
+}