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+//===--- LoopHint.h - Types for LoopHint ------------------------*- 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_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