| 1 | //===- Type.h - Type class --------------------------------------*- 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 | // Type wrapper to simplify using TableGen Record defining a MLIR Type. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #ifndef MLIR_TABLEGEN_TYPE_H_ |
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| 14 | #define MLIR_TABLEGEN_TYPE_H_ |
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| 15 | |
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| 16 | #include "mlir/Support/LLVM.h" |
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| 17 | #include "mlir/TableGen/Constraint.h" |
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| 18 | #include "mlir/TableGen/Dialect.h" |
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| 19 | |
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| 20 | namespace llvm { |
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| 21 | class DefInit; |
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| 22 | class Record; |
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| 23 | } // namespace llvm |
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| 24 | |
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| 25 | namespace mlir { |
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| 26 | namespace tblgen { |
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| 27 | |
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| 28 | // Wrapper class with helper methods for accessing Type constraints defined in |
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| 29 | // TableGen. |
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| 30 | class TypeConstraint : public Constraint { |
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| 31 | public: |
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| 32 | using Constraint::Constraint; |
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| 33 | |
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| 34 | TypeConstraint(const llvm::DefInit *record); |
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| 35 | |
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| 36 | static bool classof(const Constraint *c) { return c->getKind() == CK_Type; } |
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| 37 | |
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| 38 | // Returns true if this is an optional type constraint. |
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| 39 | bool isOptional() const; |
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| 40 | |
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| 41 | // Returns true if this is a variadic type constraint. |
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| 42 | bool isVariadic() const; |
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| 43 | |
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| 44 | // Returns true if this is a nested variadic type constraint. |
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| 45 | bool isVariadicOfVariadic() const; |
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| 46 | |
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| 47 | // Return the segment size attribute used if this is a variadic of variadic |
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| 48 | // constraint. Asserts isVariadicOfVariadic() is true. |
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| 49 | StringRef getVariadicOfVariadicSegmentSizeAttr() const; |
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| 50 | |
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| 51 | // Returns true if this is a variable length type constraint. This is either |
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| 52 | // variadic or optional. |
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| 53 | bool isVariableLength() const { return isOptional() || isVariadic(); } |
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| 54 | |
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| 55 | // Returns the builder call for this constraint if this is a buildable type, |
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| 56 | // returns std::nullopt otherwise. |
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| 57 | std::optional<StringRef> getBuilderCall() const; |
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| 58 | |
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| 59 | // Return the C++ class name for this type (which may just be ::mlir::Type). |
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| 60 | std::string getCPPClassName() const; |
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| 61 | }; |
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| 62 | |
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| 63 | // Wrapper class with helper methods for accessing Types defined in TableGen. |
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| 64 | class Type : public TypeConstraint { |
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| 65 | public: |
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| 66 | explicit Type(const llvm::Record *record); |
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| 67 | |
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| 68 | // Returns the dialect for the type if defined. |
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| 69 | Dialect getDialect() const; |
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| 70 | }; |
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| 71 | |
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| 72 | } // namespace tblgen |
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| 73 | } // namespace mlir |
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| 74 | |
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| 75 | #endif // MLIR_TABLEGEN_TYPE_H_ |
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| 76 | |
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