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//===- OpenMP/OMPAssume.h --- OpenMP assumption helper functions - 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
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file provides helper functions and classes to deal with OpenMP
/// assumptions, e.g., as used by `[begin/end] assumes` and `assume`.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_FRONTEND_OPENMP_OMPASSUME_H
#define LLVM_FRONTEND_OPENMP_OMPASSUME_H
#include "llvm/ADT/StringRef.h"
namespace llvm {
namespace omp {
/// Helper to describe assume clauses.
struct AssumptionClauseMappingInfo {
/// The identifier describing the (beginning of the) clause.
llvm::StringLiteral Identifier;
/// Flag to determine if the identifier is a full name or the start of a name.
bool StartsWith;
/// Flag to determine if a directive lists follows.
bool HasDirectiveList;
/// Flag to determine if an expression follows.
bool HasExpression;
};
/// All known assume clauses.
static constexpr AssumptionClauseMappingInfo AssumptionClauseMappings[] = {
#define OMP_ASSUME_CLAUSE(Identifier, StartsWith, HasDirectiveList, \
HasExpression) \
{Identifier, StartsWith, HasDirectiveList, HasExpression},
#include "llvm/Frontend/OpenMP/OMPKinds.def"
};
inline std::string getAllAssumeClauseOptions() {
std::string S;
for (const AssumptionClauseMappingInfo &ACMI : AssumptionClauseMappings)
S += (S.empty() ? "'" : "', '") + ACMI.Identifier.str();
return S + "'";
}
} // namespace omp
} // namespace llvm
#endif // LLVM_FRONTEND_OPENMP_OMPASSUME_H
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