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diff --git a/clang-r344140b/include/llvm/Analysis/GuardUtils.h b/clang-r344140b/include/llvm/Analysis/GuardUtils.h
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+++ b/clang-r344140b/include/llvm/Analysis/GuardUtils.h
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+//===-- GuardUtils.h - Utils for work with guards ---------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// Utils that are used to perform analyzes related to guards and their
+// conditions.
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ANALYSIS_GUARDUTILS_H
+#define LLVM_ANALYSIS_GUARDUTILS_H
+
+namespace llvm {
+
+class User;
+
+/// Returns true iff \p U has semantics of a guard.
+bool isGuard(const User *U);
+
+} // llvm
+
+#endif // LLVM_ANALYSIS_GUARDUTILS_H
+