| 1 | //===- DestinationStyleOpInterface.cpp -- Destination style ops -----------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "mlir/Interfaces/DestinationStyleOpInterface.h" |
| 10 | |
| 11 | using namespace mlir; |
| 12 | |
| 13 | namespace mlir { |
| 14 | #include "mlir/Interfaces/DestinationStyleOpInterface.cpp.inc" |
| 15 | } // namespace mlir |
| 16 | |
| 17 | namespace { |
| 18 | size_t getNumTensorResults(Operation *op) { |
| 19 | size_t numTensorResults = 0; |
| 20 | for (auto t : op->getResultTypes()) { |
| 21 | if (isa<TensorType>(Val: t)) { |
| 22 | ++numTensorResults; |
| 23 | } |
| 24 | } |
| 25 | return numTensorResults; |
| 26 | } |
| 27 | } // namespace |
| 28 | |
| 29 | LogicalResult detail::verifyDestinationStyleOpInterface(Operation *op) { |
| 30 | DestinationStyleOpInterface dstStyleOp = |
| 31 | cast<DestinationStyleOpInterface>(op); |
| 32 | |
| 33 | SmallVector<OpOperand *> outputTensorOperands; |
| 34 | for (OpOperand &operand : dstStyleOp.getDpsInitsMutable()) { |
| 35 | Type type = operand.get().getType(); |
| 36 | if (isa<TensorType>(type)) { |
| 37 | outputTensorOperands.push_back(&operand); |
| 38 | } else if (!isa<BaseMemRefType>(type)) { |
| 39 | return op->emitOpError("expected that operand #") |
| 40 | << operand.getOperandNumber() << " is a tensor or a memref"; |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | // Verify the number of tensor results matches the number of output tensors. |
| 45 | if (getNumTensorResults(op) != outputTensorOperands.size()) |
| 46 | return op->emitOpError(message: "expected the number of tensor results (") |
| 47 | << getNumTensorResults(op) |
| 48 | << ") to be equal to the number of output tensors (" |
| 49 | << outputTensorOperands.size() << ")"; |
| 50 | |
| 51 | for (OpOperand *opOperand : outputTensorOperands) { |
| 52 | OpResult result = dstStyleOp.getTiedOpResult(opOperand); |
| 53 | if (result.getType() != opOperand->get().getType()) |
| 54 | return op->emitOpError(message: "expected type of operand #") |
| 55 | << opOperand->getOperandNumber() << " (" |
| 56 | << opOperand->get().getType() << ")" |
| 57 | << " to match type of corresponding result ("<< result.getType() |
| 58 | << ")"; |
| 59 | } |
| 60 | |
| 61 | return success(); |
| 62 | } |
| 63 |