Simplify references to command line flags.

src/IceClFlags.h

 //===- subzero/src/IceClFlags.h - Cl Flags for translation ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 56 matching lines @@
 
 /// Define variables which configure translation and related support functions.
 class ClFlags {
   ClFlags(const ClFlags &) = delete;
   ClFlags &operator=(const ClFlags &) = delete;
 
 public:
   /// User defined constructor.
   ClFlags() { resetClFlags(); }
 
+  /// The command line flags.
+  static ClFlags Flags;
+
   /// \brief Parse commmand line options for Subzero.
   ///
   /// This is done use cl::ParseCommandLineOptions() and the static variables of
   /// type cl::opt defined in IceClFlags.cpp
   static void parseFlags(int argc, char *argv[]);
 
   /// Reset all configuration options to their nominal values.
   void resetClFlags();
 
   /// \brief Retrieve the configuration option state
@@ skipping 61 matching lines @@
     GenerateUnitTestMessages = NewValue;
   }
 
 private:
   std::string AppName;
 
   /// Initialized to false; not set by the command line.
   bool GenerateUnitTestMessages;
 };
 
+inline const ClFlags &getFlags() { return ClFlags::Flags; }
+
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECLFLAGS_H