1 //===- Successor.h - TableGen successor definitions -------------*- 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 #ifndef MLIR_TABLEGEN_SUCCESSOR_H_ 10 #define MLIR_TABLEGEN_SUCCESSOR_H_ 11 12 #include "mlir/Support/LLVM.h" 13 #include "mlir/TableGen/Constraint.h" 14 15 namespace mlir { 16 namespace tblgen { 17 18 // Wrapper class providing helper methods for accessing Successor defined in 19 // TableGen. 20 class Successor : public Constraint { 21 public: 22 using Constraint::Constraint; 23 classof(const Constraint * c)24 static bool classof(const Constraint *c) { 25 return c->getKind() == CK_Successor; 26 } 27 28 // Returns true if this successor is variadic. 29 bool isVariadic() const; 30 }; 31 32 // A struct bundling a successor's constraint and its name. 33 struct NamedSuccessor { 34 // Returns true if this successor is variadic. isVariadicNamedSuccessor35 bool isVariadic() const { return constraint.isVariadic(); } 36 37 StringRef name; 38 Successor constraint; 39 }; 40 41 } // namespace tblgen 42 } // namespace mlir 43 44 #endif // MLIR_TABLEGEN_SUCCESSOR_H_ 45