1 /* Copyright 2021 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #include "tensorflow/core/transforms/drop_unregistered_attribute/pass.h" 17 18 #include <memory> 19 20 #include "llvm/ADT/STLExtras.h" 21 #include "llvm/ADT/StringExtras.h" 22 #include "mlir/Pass/Pass.h" // from @llvm-project 23 #include "tensorflow/core/ir/ops.h" 24 #include "tensorflow/core/transforms/pass_detail.h" 25 26 namespace mlir { 27 namespace tfg { 28 namespace { 29 30 struct DropOutputShapesAttrPass 31 : DropOutputShapesAttrBase<DropOutputShapesAttrPass> { initializemlir::tfg::__anonb5be1f130111::DropOutputShapesAttrPass32 LogicalResult initialize(MLIRContext* context) override { 33 for (auto& str : skip_) { 34 skip_id.insert(StringAttr::get(context, str)); 35 } 36 return success(); 37 } runOnOperationmlir::tfg::__anonb5be1f130111::DropOutputShapesAttrPass38 void runOnOperation() override { 39 Operation* op = getOperation(); 40 op->walk([this](Operation* op) { 41 if (!skip_id.count(op->getName().getIdentifier())) 42 op->removeAttr("_output_shapes"); 43 }); 44 } 45 46 // Set of operation types to skip over. 47 DenseSet<StringAttr> skip_id; 48 }; 49 50 } // namespace 51 CreateDropOutputShapesAttrPass()52std::unique_ptr<Pass> CreateDropOutputShapesAttrPass() { 53 return std::make_unique<DropOutputShapesAttrPass>(); 54 } 55 56 } // namespace tfg 57 } // namespace mlir 58