llvm/mlir/lib/Target/LLVMIR/DataLayoutImporter.h

//===- DataLayoutImporter.h - LLVM to MLIR data layout conversion -*- 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 file implements the translation between the LLVMIR data layout and the
// corresponding MLIR representation.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_LIB_TARGET_LLVMIR_DATALAYOUTIMPORTER_H_
#define MLIR_LIB_TARGET_LLVMIR_DATALAYOUTIMPORTER_H_

#include "mlir/Dialect/LLVMIR/LLVMTypes.h"
#include "mlir/IR/BuiltinAttributes.h"
#include "mlir/Interfaces/DataLayoutInterfaces.h"

namespace llvm {
class StringRef;
class DataLayout;
} // namespace llvm

namespace mlir {
class FloatType;
class MLIRContext;
class Operation;

namespace LLVM {
class LLVMFuncOp;

namespace detail {

/// Returns a supported MLIR floating point type of the given bit width or
/// null if the bit width is not supported.
FloatType getFloatType(MLIRContext *context, unsigned width);

/// Helper class that translates an LLVM data layout to an MLIR data layout
/// specification. Only integer, float, pointer, alloca memory space, stack
/// alignment, and endianness entries are translated. The class also returns all
/// entries from the default data layout specification found in the language
/// reference (https://llvm.org/docs/LangRef.html#data-layout) if they are not
/// overwritten by the provided data layout.
class DataLayoutImporter { … };

} // namespace detail
} // namespace LLVM
} // namespace mlir

#endif // MLIR_LIB_TARGET_LLVMIR_DATALAYOUTIMPORTER_H_