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diff --git a/include/clang/Analysis/Analyses/PsuedoConstantAnalysis.h b/include/clang/Analysis/Analyses/PsuedoConstantAnalysis.h
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+++ b/include/clang/Analysis/Analyses/PsuedoConstantAnalysis.h
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+//== PsuedoConstantAnalysis.h - Find Psuedo-constants in the AST -*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tracks the usage of variables in a Decl body to see if they are
+// never written to, implying that they constant. This is useful in static
+// analysis to see if a developer might have intended a variable to be const.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_ANALYSIS_PSUEDOCONSTANTANALYSIS
+#define LLVM_CLANG_ANALYSIS_PSUEDOCONSTANTANALYSIS
+
+#include "clang/AST/Stmt.h"
+
+// The number of ValueDecls we want to keep track of by default (per-function)
+#define VALUEDECL_SET_SIZE 256
+
+namespace clang {
+
+class PsuedoConstantAnalysis {
+public:
+  PsuedoConstantAnalysis(const Stmt *DeclBody) :
+      DeclBody(DeclBody), Analyzed(false) {}
+  bool isPsuedoConstant(const ValueDecl *VD);
+
+private:
+  void RunAnalysis();
+
+  // for storing the result of analyzed ValueDecls
+  llvm::SmallPtrSet<const ValueDecl*, VALUEDECL_SET_SIZE> NonConstants;
+
+  const Stmt *DeclBody;
+  bool Analyzed;
+};
+
+}
+
+#endif