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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/SourceLocation.h"
namespace clang {
class Expr;
struct IdentifierLoc;
/// 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 = nullptr;
// Name of the loop hint. Examples: "unroll", "vectorize". In the
// "#pragma unroll" and "#pragma nounroll" cases, this is identical to
// PragmaNameLoc.
IdentifierLoc *OptionLoc = nullptr;
// Identifier for the hint state argument. If null, then the state is
// default value such as for "#pragma unroll".
IdentifierLoc *StateLoc = nullptr;
// Expression for the hint argument if it exists, null otherwise.
Expr *ValueExpr = nullptr;
LoopHint() = default;
};
} // end namespace clang
#endif // LLVM_CLANG_PARSE_LOOPHINT_H
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