forked from OSchip/llvm-project
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
//===- AttributeListStorage.h - Attr representation for ops -----*- C++ -*-===//
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//
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// Copyright 2019 The MLIR Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// =============================================================================
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#ifndef ATTRIBUTELISTSTORAGE_H
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#define ATTRIBUTELISTSTORAGE_H
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#include "mlir/IR/OperationSupport.h"
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#include "llvm/Support/TrailingObjects.h"
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namespace mlir {
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class AttributeListStorage final
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: private llvm::TrailingObjects<AttributeListStorage, NamedAttribute> {
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friend class llvm::TrailingObjects<AttributeListStorage, NamedAttribute>;
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public:
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/// Given a list of NamedAttribute's, canonicalize the list (sorting
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/// by name) and return the unique'd result. Note that the empty list is
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/// represented with a null pointer.
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static AttributeListStorage *get(ArrayRef<NamedAttribute> attrs,
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MLIRContext *context);
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/// Return the element constants for this aggregate constant. These are
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/// known to all be constants.
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ArrayRef<NamedAttribute> getElements() const {
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return {getTrailingObjects<NamedAttribute>(), numElements};
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}
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private:
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// This is used by the llvm::TrailingObjects base class.
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size_t numTrailingObjects(OverloadToken<NamedAttribute>) const {
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return numElements;
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}
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AttributeListStorage() = delete;
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AttributeListStorage(const AttributeListStorage &) = delete;
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AttributeListStorage(unsigned numElements) : numElements(numElements) {}
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/// This is the number of attributes.
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const unsigned numElements;
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};
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} // end namespace mlir
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#endif
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