github.com/johnnyeven/libtools@v0.0.0-20191126065708-61829c1adf46/third_party/mlir/lib/IR/AffineMapDetail.h (about)

     1  //===- AffineMapDetail.h - MLIR Affine Map details Class --------*- C++ -*-===//
     2  //
     3  // Copyright 2019 The MLIR Authors.
     4  //
     5  // Licensed under the Apache License, Version 2.0 (the "License");
     6  // you may not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //   http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing, software
    12  // distributed under the License is distributed on an "AS IS" BASIS,
    13  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  // See the License for the specific language governing permissions and
    15  // limitations under the License.
    16  // =============================================================================
    17  //
    18  // This holds implementation details of AffineMap.
    19  //
    20  //===----------------------------------------------------------------------===//
    21  
    22  #ifndef AFFINEMAPDETAIL_H_
    23  #define AFFINEMAPDETAIL_H_
    24  
    25  #include "mlir/IR/AffineExpr.h"
    26  #include "mlir/IR/AffineMap.h"
    27  #include "llvm/ADT/ArrayRef.h"
    28  
    29  namespace mlir {
    30  namespace detail {
    31  
    32  struct AffineMapStorage {
    33    unsigned numDims;
    34    unsigned numSymbols;
    35  
    36    /// The affine expressions for this (multi-dimensional) map.
    37    /// TODO: use trailing objects for this.
    38    ArrayRef<AffineExpr> results;
    39  
    40    MLIRContext *context;
    41  };
    42  
    43  } // end namespace detail
    44  } // end namespace mlir
    45  
    46  #endif // AFFINEMAPDETAIL_H_