--- /dev/null
+//===--- Attributes.h - Attributes header -----------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_BASIC_ATTRIBUTES_H
+#define LLVM_CLANG_BASIC_ATTRIBUTES_H
+
+#include "llvm/ADT/Triple.h"
+#include "clang/Basic/LangOptions.h"
+
+namespace clang {
+
+class IdentifierInfo;
+
+enum class AttrSyntax {
+ /// Is the attribute identifier generally known for any syntax?
+ Generic,
+ /// Is the identifier known as a GNU-style attribute?
+ GNU,
+ /// Is the identifier known as a __declspec-style attribute?
+ Declspec,
+ // Is the identifier known as a C++-style attribute?
+ CXX
+};
+
+/// \brief Return true if we recognize and implement the attribute specified by
+/// the given information.
+bool HasAttribute(AttrSyntax Syntax, const IdentifierInfo *Scope,
+ const IdentifierInfo *Attr, const llvm::Triple &T,
+ const LangOptions &LangOpts);
+
+} // end namespace clang
+
+#endif // LLVM_CLANG_BASIC_ATTRIBUTES_H