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diff --git a/clang-r353983e/include/llvm/TableGen/Error.h b/clang-r353983e/include/llvm/TableGen/Error.h
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+//===- llvm/TableGen/Error.h - tblgen error handling helpers ----*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains error handling helper routines to pretty-print diagnostic
+// messages from tblgen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TABLEGEN_ERROR_H
+#define LLVM_TABLEGEN_ERROR_H
+
+#include "llvm/Support/SourceMgr.h"
+
+namespace llvm {
+
+void PrintNote(ArrayRef<SMLoc> NoteLoc, const Twine &Msg);
+
+void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg);
+void PrintWarning(const char *Loc, const Twine &Msg);
+void PrintWarning(const Twine &Msg);
+
+void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg);
+void PrintError(const char *Loc, const Twine &Msg);
+void PrintError(const Twine &Msg);
+
+LLVM_ATTRIBUTE_NORETURN void PrintFatalError(const Twine &Msg);
+LLVM_ATTRIBUTE_NORETURN void PrintFatalError(ArrayRef<SMLoc> ErrorLoc,
+ const Twine &Msg);
+
+extern SourceMgr SrcMgr;
+extern unsigned ErrorsPrinted;
+
+} // end namespace "llvm"
+
+#endif