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diff --git a/include/llvm/Support/PassNameParser.h b/include/llvm/Support/PassNameParser.h
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+//===- llvm/Support/PassNameParser.h ----------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file the PassNameParser and FilteredPassNameParser<> classes, which are
+// used to add command line arguments to a utility for all of the passes that
+// have been registered into the system.
+//
+// The PassNameParser class adds ALL passes linked into the system (that are
+// creatable) as command line arguments to the tool (when instantiated with the
+// appropriate command line option template).  The FilteredPassNameParser<>
+// template is used for the same purposes as PassNameParser, except that it only
+// includes passes that have a PassType that are compatible with the filter
+// (which is the template argument).
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_PASS_NAME_PARSER_H
+#define LLVM_SUPPORT_PASS_NAME_PARSER_H
+
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Pass.h"
+#include <algorithm>
+#include <cstring>
+
+namespace llvm {
+
+//===----------------------------------------------------------------------===//
+// PassNameParser class - Make use of the pass registration mechanism to
+// automatically add a command line argument to opt for each pass.
+//
+class PassNameParser : public PassRegistrationListener,
+                       public cl::parser<const PassInfo*> {
+  cl::Option *Opt;
+public:
+  PassNameParser() : Opt(0) {}
+
+  void initialize(cl::Option &O) {
+    Opt = &O;
+    cl::parser<const PassInfo*>::initialize(O);
+
+    // Add all of the passes to the map that got initialized before 'this' did.
+    enumeratePasses();
+  }
+
+  // ignorablePassImpl - Can be overriden in subclasses to refine the list of
+  // which passes we want to include.
+  //
+  virtual bool ignorablePassImpl(const PassInfo *P) const { return false; }
+
+  inline bool ignorablePass(const PassInfo *P) const {
+    // Ignore non-selectable and non-constructible passes!  Ignore
+    // non-optimizations.
+    return P->getPassArgument() == 0 || *P->getPassArgument() == 0 ||
+           P->getNormalCtor() == 0 || ignorablePassImpl(P);
+  }
+
+  // Implement the PassRegistrationListener callbacks used to populate our map
+  //
+  virtual void passRegistered(const PassInfo *P) {
+    if (ignorablePass(P) || !Opt) return;
+    if (findOption(P->getPassArgument()) != getNumOptions()) {
+      cerr << "Two passes with the same argument (-"
+           << P->getPassArgument() << ") attempted to be registered!\n";
+      abort();
+    }
+    addLiteralOption(P->getPassArgument(), P, P->getPassName());
+  }
+  virtual void passEnumerate(const PassInfo *P) { passRegistered(P); }
+
+  // ValLessThan - Provide a sorting comparator for Values elements...
+  typedef std::pair<const char*,
+                    std::pair<const PassInfo*, const char*> > ValType;
+  static bool ValLessThan(const ValType &VT1, const ValType &VT2) {
+    return std::string(VT1.first) < std::string(VT2.first);
+  }
+
+  // printOptionInfo - Print out information about this option.  Override the
+  // default implementation to sort the table before we print...
+  virtual void printOptionInfo(const cl::Option &O, size_t GlobalWidth) const {
+    PassNameParser *PNP = const_cast<PassNameParser*>(this);
+    std::sort(PNP->Values.begin(), PNP->Values.end(), ValLessThan);
+    cl::parser<const PassInfo*>::printOptionInfo(O, GlobalWidth);
+  }
+};
+
+///===----------------------------------------------------------------------===//
+/// FilteredPassNameParser class - Make use of the pass registration
+/// mechanism to automatically add a command line argument to opt for
+/// each pass that satisfies a filter criteria.  Filter should return
+/// true for passes to be registered as command-line options.
+///
+template<typename Filter>
+class FilteredPassNameParser : public PassNameParser {
+private:
+  Filter filter;
+
+public:
+  bool ignorablePassImpl(const PassInfo *P) const { return !filter(*P); }
+};
+
+///===----------------------------------------------------------------------===//
+/// PassArgFilter - A filter for use with PassNameFilterParser that only
+/// accepts a Pass whose Arg matches certain strings.
+///
+/// Use like this:
+///
+/// extern const char AllowedPassArgs[] = "-anders_aa -dse";
+///
+/// static cl::list<
+///   const PassInfo*,
+///   bool,
+///   FilteredPassNameParser<PassArgFilter<AllowedPassArgs> > >
+/// PassList(cl::desc("Passes available:"));
+///
+/// Only the -anders_aa and -dse options will be available to the user.
+///
+template<const char *Args>
+class PassArgFilter {
+public:
+  bool operator()(const PassInfo &P) const {
+    return(std::strstr(Args, P.getPassArgument()));
+  }
+};
+
+} // End llvm namespace
+
+#endif