| 1 | //===- Successor.h - TableGen successor definitions -------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef MLIR_TABLEGEN_SUCCESSOR_H_ |
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| 10 | #define MLIR_TABLEGEN_SUCCESSOR_H_ |
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| 11 | |
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| 12 | #include "mlir/Support/LLVM.h" |
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| 13 | #include "mlir/TableGen/Constraint.h" |
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| 14 | |
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| 15 | namespace mlir { |
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| 16 | namespace tblgen { |
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| 17 | |
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| 18 | // Wrapper class providing helper methods for accessing Successor defined in |
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| 19 | // TableGen. |
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| 20 | class Successor : public Constraint { |
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| 21 | public: |
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| 22 | using Constraint::Constraint; |
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| 23 | |
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| 24 | static bool classof(const Constraint *c) { |
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| 25 | return c->getKind() == CK_Successor; |
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| 26 | } |
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| 27 | |
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| 28 | // Returns true if this successor is variadic. |
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| 29 | bool isVariadic() const; |
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| 30 | }; |
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| 31 | |
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| 32 | // A struct bundling a successor's constraint and its name. |
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| 33 | struct NamedSuccessor { |
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| 34 | // Returns true if this successor is variadic. |
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| 35 | bool isVariadic() const { return constraint.isVariadic(); } |
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| 36 | |
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| 37 | StringRef name; |
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| 38 | Successor constraint; |
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| 39 | }; |
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| 40 | |
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| 41 | } // namespace tblgen |
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| 42 | } // namespace mlir |
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| 43 | |
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| 44 | #endif // MLIR_TABLEGEN_SUCCESSOR_H_ |
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| 45 | |
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