| 1 | //===- Syntax.h - Custom syntax for Linalg transform ops --------*- 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_DIALECT_LINALG_TRANSFORMOPS_SYNTAX_H |
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| 10 | #define MLIR_DIALECT_LINALG_TRANSFORMOPS_SYNTAX_H |
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| 11 | |
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| 12 | #include "mlir/Support/LLVM.h" |
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| 13 | |
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| 14 | namespace mlir { |
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| 15 | class OpAsmParser; |
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| 16 | class OpAsmPrinter; |
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| 17 | class Type; |
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| 18 | class TypeRange; |
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| 19 | class Operation; |
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| 20 | |
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| 21 | /// Parses a single non-function type or a function type with at least one |
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| 22 | /// argument. This allows for the following syntax: |
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| 23 | /// |
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| 24 | /// - type: just the argument type; |
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| 25 | /// - `(` type `)` `->` type: one argument and one result type; |
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| 26 | /// - `(` type `)` `->` `(` comma-separated-type-list `)`: one argument and |
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| 27 | /// multiple result types. |
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| 28 | /// |
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| 29 | /// Unlike FunctionType, this allows and requires one to omit the parens around |
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| 30 | /// the argument type in absence of result types, and does not accept the |
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| 31 | /// trailing `-> ()` construct, which makes the syntax nicer for operations. |
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| 32 | ParseResult parseSemiFunctionType(OpAsmParser &parser, Type &argumentType, |
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| 33 | Type &resultType, bool resultOptional = true); |
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| 34 | ParseResult parseSemiFunctionType(OpAsmParser &parser, Type &argumentType, |
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| 35 | SmallVectorImpl<Type> &resultTypes); |
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| 36 | |
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| 37 | /// Prints argument and result types in a syntax similar to that of FunctionType |
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| 38 | /// but allowing and requiring one to omit the parens around the argument type |
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| 39 | /// in absence of result types, and without the trailing `-> ()`. |
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| 40 | void printSemiFunctionType(OpAsmPrinter &printer, Operation *op, |
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| 41 | Type argumentType, TypeRange resultType); |
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| 42 | void printSemiFunctionType(OpAsmPrinter &printer, Operation *op, |
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| 43 | Type argumentType, Type resultType, |
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| 44 | bool resultOptional = true); |
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| 45 | } // namespace mlir |
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| 46 | |
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| 47 | #endif // MLIR_DIALECT_LINALG_TRANSFORMOPS_SYNTAX_H |
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| 48 | |
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