| /* Copyright 2021 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. |
| ==============================================================================*/ |
| |
| // Legalize TensorFlow and TensorFlow Lite to TOSA |
| |
| #include "mlir/Dialect/Func/IR/FuncOps.h" // from @llvm-project |
| #include "mlir/Dialect/Tosa/IR/TosaOps.h" // from @llvm-project |
| #include "mlir/IR/BuiltinOps.h" // from @llvm-project |
| #include "mlir/IR/MLIRContext.h" // from @llvm-project |
| #include "mlir/IR/PatternMatch.h" // from @llvm-project |
| #include "mlir/Support/LLVM.h" // from @llvm-project |
| #include "mlir/Transforms/DialectConversion.h" // from @llvm-project |
| #include "tensorflow/compiler/mlir/lite/ir/tfl_ops.h" |
| #include "tensorflow/compiler/mlir/tosa/transforms/legalize_common.h" |
| #include "tensorflow/compiler/mlir/tosa/transforms/legalize_utils.h" |
| #include "tensorflow/compiler/mlir/tosa/transforms/passes.h" |
| |
| namespace mlir { |
| namespace tosa { |
| |
| namespace { |
| #define GEN_PASS_CLASSES |
| #include "tensorflow/compiler/mlir/tosa/transforms/passes.h.inc" |
| |
| // Performs lowering to TOSA dialect |
| class LegalizeTFTFL : public TosaLegalizeTFTFLPassBase<LegalizeTFTFL> { |
| public: |
| explicit LegalizeTFTFL() {} |
| void runOnOperation() override; |
| }; |
| |
| void LegalizeTFTFL::runOnOperation() { |
| MLIRContext* ctx = &getContext(); |
| RewritePatternSet patterns(ctx); |
| populateLegalizeTFPatterns(ctx, patterns); |
| populateLegalizeTFLPatterns(ctx, patterns); |
| |
| func::FuncOp func = getOperation(); |
| if (ApplyPatternsWithShapeResolution(func, std::move(patterns)).failed()) { |
| signalPassFailure(); |
| } |
| } |
| |
| } // anonymous namespace |
| |
| // Creates an instance of the TensorFlow Lite dialect LegalizeTFL pass. |
| std::unique_ptr<OperationPass<func::FuncOp>> createLegalizeTFTFLPass() { |
| return std::make_unique<LegalizeTFTFL>(); |
| } |
| |
| } // namespace tosa |
| } // namespace mlir |