llvm-project/mlir/lib/IR/IntegerSetDetail.h

37 lines
1.1 KiB
C++

//===- IntegerSetDetail.h - MLIR IntegerSet storage details -----*- 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
//
//===----------------------------------------------------------------------===//
//
// This holds implementation details of IntegerSet.
//
//===----------------------------------------------------------------------===//
#ifndef INTEGERSETDETAIL_H_
#define INTEGERSETDETAIL_H_
#include "mlir/IR/AffineExpr.h"
#include "llvm/ADT/ArrayRef.h"
namespace mlir {
namespace detail {
struct IntegerSetStorage {
unsigned dimCount;
unsigned symbolCount;
/// Array of affine constraints: a constraint is either an equality
/// (affine_expr == 0) or an inequality (affine_expr >= 0).
ArrayRef<AffineExpr> constraints;
// Bits to check whether a constraint is an equality or an inequality.
ArrayRef<bool> eqFlags;
};
} // end namespace detail
} // end namespace mlir
#endif // INTEGERSETDETAIL_H_