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diff --git a/clang-r353983/include/clang/Parse/LoopHint.h b/clang-r353983/include/clang/Parse/LoopHint.h
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+++ b/clang-r353983/include/clang/Parse/LoopHint.h
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+//===--- LoopHint.h - Types for LoopHint ------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_PARSE_LOOPHINT_H
+#define LLVM_CLANG_PARSE_LOOPHINT_H
+
+#include "clang/Basic/IdentifierTable.h"
+#include "clang/Basic/SourceLocation.h"
+#include "clang/Sema/Ownership.h"
+#include "clang/Sema/ParsedAttr.h"
+
+namespace clang {
+
+/// Loop optimization hint for loop and unroll pragmas.
+struct LoopHint {
+  // Source range of the directive.
+  SourceRange Range;
+  // Identifier corresponding to the name of the pragma.  "loop" for
+  // "#pragma clang loop" directives and "unroll" for "#pragma unroll"
+  // hints.
+  IdentifierLoc *PragmaNameLoc;
+  // Name of the loop hint.  Examples: "unroll", "vectorize".  In the
+  // "#pragma unroll" and "#pragma nounroll" cases, this is identical to
+  // PragmaNameLoc.
+  IdentifierLoc *OptionLoc;
+  // Identifier for the hint state argument.  If null, then the state is
+  // default value such as for "#pragma unroll".
+  IdentifierLoc *StateLoc;
+  // Expression for the hint argument if it exists, null otherwise.
+  Expr *ValueExpr;
+
+  LoopHint()
+      : PragmaNameLoc(nullptr), OptionLoc(nullptr), StateLoc(nullptr),
+        ValueExpr(nullptr) {}
+};
+
+} // end namespace clang
+
+#endif // LLVM_CLANG_PARSE_LOOPHINT_H