blob: c8b2ee845e5903c16a99f613811beeceb40198ed [file] [log] [blame]
//===--- 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_SEMA_LOOPHINT_H
#define LLVM_CLANG_SEMA_LOOPHINT_H
#include "clang/Basic/IdentifierTable.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Sema/AttributeList.h"
#include "clang/Sema/Ownership.h"
namespace clang {
/// \brief 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_SEMA_LOOPHINT_H