70 lines
3.1 KiB
C++
70 lines
3.1 KiB
C++
//===-- FortranVariableInterface.cpp.cpp ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Optimizer/Dialect/FortranVariableInterface.h"
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#include "flang/Optimizer/Dialect/FortranVariableInterface.cpp.inc"
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mlir::LogicalResult
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fir::FortranVariableOpInterface::verifyDeclareLikeOpImpl(mlir::Value memref) {
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const unsigned numExplicitTypeParams = getExplicitTypeParams().size();
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mlir::Type memType = memref.getType();
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const bool sourceIsBoxValue = memType.isa<fir::BaseBoxType>();
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const bool sourceIsBoxAddress = fir::isBoxAddress(memType);
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const bool sourceIsBox = sourceIsBoxValue || sourceIsBoxAddress;
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if (isCharacter()) {
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if (numExplicitTypeParams > 1)
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return emitOpError(
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"of character entity must have at most one length parameter");
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if (numExplicitTypeParams == 0 && !sourceIsBox)
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return emitOpError("must be provided exactly one type parameter when its "
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"base is a character that is not a box");
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} else if (auto recordType = getElementType().dyn_cast<fir::RecordType>()) {
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if (numExplicitTypeParams < recordType.getNumLenParams() && !sourceIsBox)
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return emitOpError("must be provided all the derived type length "
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"parameters when the base is not a box");
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if (numExplicitTypeParams > recordType.getNumLenParams())
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return emitOpError("has too many length parameters");
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} else if (numExplicitTypeParams != 0) {
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return emitOpError("of numeric, logical, or assumed type entity must not "
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"have length parameters");
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}
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if (isArray()) {
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if (mlir::Value shape = getShape()) {
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if (sourceIsBoxAddress)
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return emitOpError("for box address must not have a shape operand");
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unsigned shapeRank = 0;
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if (auto shapeType = shape.getType().dyn_cast<fir::ShapeType>()) {
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shapeRank = shapeType.getRank();
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} else if (auto shapeShiftType =
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shape.getType().dyn_cast<fir::ShapeShiftType>()) {
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shapeRank = shapeShiftType.getRank();
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} else {
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if (!sourceIsBoxValue)
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emitOpError("of array entity with a raw address base must have a "
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"shape operand that is a shape or shapeshift");
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shapeRank = shape.getType().cast<fir::ShiftType>().getRank();
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}
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llvm::Optional<unsigned> rank = getRank();
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if (!rank || *rank != shapeRank)
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return emitOpError("has conflicting shape and base operand ranks");
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} else if (!sourceIsBox) {
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emitOpError("of array entity with a raw address base must have a shape "
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"operand that is a shape or shapeshift");
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}
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}
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return mlir::success();
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}
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