53 lines
2.2 KiB
C++
53 lines
2.2 KiB
C++
//===- DstBufferizableOpInterfaceImpl.h - Dst Op Bufferization --*- C++ -*-===//
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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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#ifndef MLIR_DIALECT_BUFFERIZATION_IR_DSTBUFFERIZABLEOPINTERFACEIMPL_H_
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#define MLIR_DIALECT_BUFFERIZATION_IR_DSTBUFFERIZABLEOPINTERFACEIMPL_H_
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#include "mlir/Dialect/Bufferization/IR/BufferizableOpInterface.h"
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#include "mlir/Interfaces/DestinationStyleOpInterface.h"
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namespace mlir {
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namespace bufferization {
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/// Bufferizable ops that implement the DestinationStyleOpInterface can use this
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/// external model base class. It provides default implementations for various
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/// required interface methods.
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template <typename ConcreteModel, typename ConcreteOp>
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struct DstBufferizableOpInterfaceExternalModel
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: public BufferizableOpInterface::ExternalModel<ConcreteModel, ConcreteOp> {
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bool bufferizesToMemoryRead(Operation *op, OpOperand &opOperand,
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const AnalysisState &state) const {
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// All inputs and outputs bufferize to a memory read.
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assert(isa<DestinationStyleOpInterface>(op) &&
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"expected that op implements DestinationStyleOpInterface");
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return true;
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}
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bool bufferizesToMemoryWrite(Operation *op, OpOperand &opOperand,
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const AnalysisState &state) const {
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// Only outputs bufferize to a memory write.
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auto dstOp = cast<DestinationStyleOpInterface>(op);
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return dstOp.isDpsInit(&opOperand);
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}
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AliasingValueList getAliasingValues(Operation *op, OpOperand &opOperand,
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const AnalysisState &state) const {
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// Output operands alias with their respective tied OpResults.
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auto dstOp = cast<DestinationStyleOpInterface>(op);
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if (dstOp.isDpsInit(&opOperand))
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return {{dstOp.getTiedOpResult(&opOperand), BufferRelation::Equivalent}};
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return {};
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}
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};
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} // namespace bufferization
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} // namespace mlir
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#endif // MLIR_DIALECT_BUFFERIZATION_IR_DSTBUFFERIZABLEOPINTERFACEIMPL_H_
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