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

//===- TypeConverter.h - Convert builtin to LLVM dialect types --*- 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 type converter configuration for converting most builtin types to
// LLVM dialect types.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_CONVERSION_LLVMCOMMON_TYPECONVERTER_H
#define MLIR_CONVERSION_LLVMCOMMON_TYPECONVERTER_H

#include "mlir/Conversion/LLVMCommon/LoweringOptions.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/Transforms/DialectConversion.h"

namespace mlir {

class DataLayoutAnalysis;
class FunctionOpInterface;
class LowerToLLVMOptions;

namespace LLVM {
class LLVMDialect;
class LLVMPointerType;
class LLVMFunctionType;
class LLVMStructType;
} // namespace LLVM

/// Conversion from types to the LLVM IR dialect.
class LLVMTypeConverter : public TypeConverter { … };

/// Callback to convert function argument types. It converts a MemRef function
/// argument to a list of non-aggregate types containing descriptor
/// information, and an UnrankedmemRef function argument to a list containing
/// the rank and a pointer to a descriptor struct.
LogicalResult structFuncArgTypeConverter(const LLVMTypeConverter &converter,
                                         Type type,
                                         SmallVectorImpl<Type> &result);

/// Callback to convert function argument types. It converts MemRef function
/// arguments to bare pointers to the MemRef element type.
LogicalResult barePtrFuncArgTypeConverter(const LLVMTypeConverter &converter,
                                          Type type,
                                          SmallVectorImpl<Type> &result);

} // namespace mlir

#endif // MLIR_CONVERSION_LLVMCOMMON_TYPECONVERTER_H