| /* Copyright 2019 The TensorFlow Authors. All Rights Reserved. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==============================================================================*/ |
| |
| #include "mlir/IR/BuiltinAttributes.h" // from @llvm-project |
| #include "mlir/IR/BuiltinTypes.h" // from @llvm-project |
| |
| namespace mlir { |
| namespace TFL { |
| |
| FloatAttr ExtractSingleElementAsFloat(ElementsAttr attr) { |
| if (attr.getType().getNumElements() != 1 || |
| !attr.getType().getElementType().isa<FloatType>()) { |
| return {}; |
| } |
| SmallVector<uint64_t, 8> index(attr.getType().getRank(), 0); |
| return attr.getValue<FloatAttr>(index); |
| } |
| |
| FloatAttr GetSingleElementAsFloatOrSelf(Attribute attr) { |
| if (auto m = attr.dyn_cast_or_null<ElementsAttr>()) { |
| return ExtractSingleElementAsFloat(m); |
| } else { |
| return attr.dyn_cast_or_null<FloatAttr>(); |
| } |
| } |
| |
| IntegerAttr ExtractSingleElementAsInteger(ElementsAttr attr) { |
| if (attr.getType().getNumElements() != 1 || |
| !attr.getType().getElementType().isSignlessInteger()) { |
| return {}; |
| } |
| SmallVector<uint64_t, 8> index(attr.getType().getRank(), 0); |
| return attr.getValue<IntegerAttr>(index); |
| } |
| |
| } // namespace TFL |
| } // namespace mlir |