llvm/mlir/include/mlir/Conversion/LLVMCommon/MemRefBuilder.h

//===- MemRefBuilder.h - Helper for LLVM MemRef equivalents -----*- 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
//
//===----------------------------------------------------------------------===//
//
// Provides a convenience API for emitting IR that inspects or constructs values
// of LLVM dialect structure type that correspond to ranked or unranked memref.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_CONVERSION_LLVMCOMMON_MEMREFBUILDER_H
#define MLIR_CONVERSION_LLVMCOMMON_MEMREFBUILDER_H

#include "mlir/Conversion/LLVMCommon/StructBuilder.h"
#include "mlir/IR/OperationSupport.h"

namespace mlir {

class LLVMTypeConverter;
class MemRefType;
class UnrankedMemRefType;

namespace LLVM {
class LLVMPointerType;
} // namespace LLVM

/// Helper class to produce LLVM dialect operations extracting or inserting
/// elements of a MemRef descriptor. Wraps a Value pointing to the descriptor.
/// The Value may be null, in which case none of the operations are valid.
class MemRefDescriptor : public StructBuilder { … };

/// Helper class allowing the user to access a range of Values that correspond
/// to an unpacked memref descriptor using named accessors. This does not own
/// the values.
class MemRefDescriptorView { … };

class UnrankedMemRefDescriptor : public StructBuilder { … };

} // namespace mlir

#endif // MLIR_CONVERSION_LLVMCOMMON_MEMREFBUILDER_H