1 //===- TypeFromLLVM.h - Translate types from LLVM to MLIR --*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file declares the type translation function going from MLIR LLVM dialect 10 // to LLVM IR and back. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef MLIR_TARGET_LLVMIR_TYPEFROMLLVM_H 15 #define MLIR_TARGET_LLVMIR_TYPEFROMLLVM_H 16 17 #include <memory> 18 19 namespace llvm { 20 class DataLayout; 21 class LLVMContext; 22 class Type; 23 } // namespace llvm 24 25 namespace mlir { 26 27 class Type; 28 class MLIRContext; 29 30 namespace LLVM { 31 32 namespace detail { 33 class TypeFromLLVMIRTranslatorImpl; 34 } // namespace detail 35 36 /// Utility class to translate LLVM IR types to the MLIR LLVM dialect. Stores 37 /// the translation state, in particular any identified structure types that are 38 /// reused across translations. 39 class TypeFromLLVMIRTranslator { 40 public: 41 TypeFromLLVMIRTranslator(MLIRContext &context); 42 ~TypeFromLLVMIRTranslator(); 43 44 /// Translates the given LLVM IR type to the MLIR LLVM dialect. 45 Type translateType(llvm::Type *type); 46 47 private: 48 /// Private implementation. 49 std::unique_ptr<detail::TypeFromLLVMIRTranslatorImpl> impl; 50 }; 51 52 } // namespace LLVM 53 } // namespace mlir 54 55 #endif // MLIR_TARGET_LLVMIR_TYPEFROMLLVM_H 56