Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--- 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