llvm/mlir/include/mlir/TableGen/Constraint.h

//===- Constraint.h - Constraint class --------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Constraint wrapper to simplify using TableGen Record for constraints.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_TABLEGEN_CONSTRAINT_H_
#define MLIR_TABLEGEN_CONSTRAINT_H_

#include "mlir/Support/LLVM.h"
#include "mlir/TableGen/Predicate.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"

namespace llvm {
class Record;
} // namespace llvm

namespace mlir {
namespace tblgen {

// Wrapper class with helper methods for accessing Constraint defined in
// TableGen.
class Constraint { … };

// An constraint and the concrete entities to place the constraint on.
struct AppliedConstraint { … };

} // namespace tblgen
} // namespace mlir

namespace llvm {
/// Unique constraints by their predicate and summary. Constraints that share
/// the same predicate may have different descriptions; ensure that the
/// correct error message is reported when verification fails.
template <>
struct DenseMapInfo<mlir::tblgen::Constraint> { … };
} // namespace llvm

#endif // MLIR_TABLEGEN_CONSTRAINT_H_