TypeFromLLVM.h

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//===- TypeFromLLVM.h - Translate types from LLVM to MLIR --*- 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 declares the type translation function going from MLIR LLVM dialect
// to LLVM IR and back.
//
//===----------------------------------------------------------------------===//
 
#ifndef MLIR_TARGET_LLVMIR_TYPEFROMLLVM_H
#define MLIR_TARGET_LLVMIR_TYPEFROMLLVM_H
 
#include <memory>
 
namespace llvm {
class DataLayout;
class LLVMContext;
class Type;
} // namespace llvm
 
namespace mlir {
 
class Type;
class MLIRContext;
 
namespace LLVM {
 
namespace detail {
class TypeFromLLVMIRTranslatorImpl;
} // namespace detail
 
/// Utility class to translate LLVM IR types to the MLIR LLVM dialect. Stores
/// the translation state, in particular any identified structure types that are
/// reused across translations.
class TypeFromLLVMIRTranslator {
public:
  TypeFromLLVMIRTranslator(MLIRContext &context);
  ~TypeFromLLVMIRTranslator();
 
  /// Translates the given LLVM IR type to the MLIR LLVM dialect.
  Type translateType(llvm::Type *type);
 
private:
  /// Private implementation.
  std::unique_ptr<detail::TypeFromLLVMIRTranslatorImpl> impl;
};
 
} // namespace LLVM
} // namespace mlir
 
#endif // MLIR_TARGET_LLVMIR_TYPEFROMLLVM_H