--- /dev/null
+//===-- GRConstants.h- Simple, Path-Sens. Constant Prop. ---------*- C++ -*-==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Constant Propagation via Graph Reachability
+//
+// This files defines the interface to use the 'GRConstants' path-sensitive
+// constant-propagation analysis.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_GRCONSTANTS
+#define LLVM_CLANG_GRCONSTANTS
+
+namespace clang {
+
+ /// RunGRConstants - This is a simple driver to run the GRConstants analysis
+ /// on a provided CFG. This interface will eventually be replaced with
+ /// something more elaborate as the requirements on the interface become
+ /// clearer.
+ void RunGRConstants(CFG& cfg);
+
+} // end clang namespace
+
+
+#endif