| 1 | //===-- FortranVariableInterface.cpp.cpp ----------------------------------===// |
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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 | // Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/ |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "flang/Optimizer/Dialect/FortranVariableInterface.h" |
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| 14 | |
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| 15 | #include "flang/Optimizer/Dialect/FortranVariableInterface.cpp.inc" |
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| 16 | |
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| 17 | llvm::LogicalResult |
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| 18 | fir::FortranVariableOpInterface::verifyDeclareLikeOpImpl(mlir::Value memref) { |
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| 19 | const unsigned numExplicitTypeParams = getExplicitTypeParams().size(); |
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| 20 | mlir::Type memType = memref.getType(); |
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| 21 | const bool sourceIsBoxValue = mlir::isa<fir::BaseBoxType>(memType); |
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| 22 | const bool sourceIsBoxAddress = fir::isBoxAddress(memType); |
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| 23 | const bool sourceIsBox = sourceIsBoxValue || sourceIsBoxAddress; |
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| 24 | if (isCharacter()) { |
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| 25 | if (numExplicitTypeParams > 1) |
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| 26 | return emitOpError( |
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| 27 | "of character entity must have at most one length parameter" ); |
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| 28 | if (numExplicitTypeParams == 0 && !sourceIsBox) |
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| 29 | return emitOpError("must be provided exactly one type parameter when its " |
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| 30 | "base is a character that is not a box" ); |
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| 31 | |
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| 32 | } else if (auto recordType = |
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| 33 | mlir::dyn_cast<fir::RecordType>(getElementType())) { |
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| 34 | if (numExplicitTypeParams < recordType.getNumLenParams() && !sourceIsBox) |
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| 35 | return emitOpError("must be provided all the derived type length " |
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| 36 | "parameters when the base is not a box" ); |
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| 37 | if (numExplicitTypeParams > recordType.getNumLenParams()) |
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| 38 | return emitOpError("has too many length parameters" ); |
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| 39 | } else if (numExplicitTypeParams != 0) { |
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| 40 | return emitOpError("of numeric, logical, or assumed type entity must not " |
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| 41 | "have length parameters" ); |
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| 42 | } |
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| 43 | |
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| 44 | if (isArray()) { |
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| 45 | if (mlir::Value shape = getShape()) { |
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| 46 | if (sourceIsBoxAddress) |
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| 47 | return emitOpError("for box address must not have a shape operand" ); |
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| 48 | unsigned shapeRank = 0; |
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| 49 | if (auto shapeType = mlir::dyn_cast<fir::ShapeType>(shape.getType())) { |
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| 50 | shapeRank = shapeType.getRank(); |
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| 51 | } else if (auto shapeShiftType = |
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| 52 | mlir::dyn_cast<fir::ShapeShiftType>(shape.getType())) { |
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| 53 | shapeRank = shapeShiftType.getRank(); |
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| 54 | } else { |
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| 55 | if (!sourceIsBoxValue) |
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| 56 | emitOpError("of array entity with a raw address base must have a " |
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| 57 | "shape operand that is a shape or shapeshift" ); |
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| 58 | shapeRank = mlir::cast<fir::ShiftType>(shape.getType()).getRank(); |
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| 59 | } |
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| 60 | |
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| 61 | std::optional<unsigned> rank = getRank(); |
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| 62 | if (!rank || *rank != shapeRank) |
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| 63 | return emitOpError("has conflicting shape and base operand ranks" ); |
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| 64 | } else if (!sourceIsBox) { |
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| 65 | emitOpError("of array entity with a raw address base must have a shape " |
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| 66 | "operand that is a shape or shapeshift" ); |
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| 67 | } |
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| 68 | } |
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| 69 | return mlir::success(); |
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| 70 | } |
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| 71 | |
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