1 //===- DialectGenUtilities.h - Utilities for dialect generation -----------===// 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 #ifndef MLIR_TOOLS_MLIRTBLGEN_DIALECTGENUTILITIES_H_ 10 #define MLIR_TOOLS_MLIRTBLGEN_DIALECTGENUTILITIES_H_ 11 12 #include "mlir/Support/LLVM.h" 13 14 namespace mlir { 15 namespace tblgen { 16 class Dialect; 17 18 /// Find the dialect selected by the user to generate for. Returns std::nullopt 19 /// if no dialect was found, or if more than one potential dialect was found. 20 std::optional<Dialect> findDialectToGenerate(ArrayRef<Dialect> dialects); 21 } // namespace tblgen 22 } // namespace mlir 23 24 #endif // MLIR_TOOLS_MLIRTBLGEN_DIALECTGENUTILITIES_H_ 25