| /* Copyright 2022 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 <algorithm> |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "llvm/ADT/StringRef.h" |
| #include "mlir/Dialect/Func/IR/FuncOps.h" // from @llvm-project |
| #include "mlir/Dialect/Quant/QuantOps.h" // from @llvm-project |
| #include "mlir/IR/Attributes.h" // from @llvm-project |
| #include "mlir/IR/Builders.h" // from @llvm-project |
| #include "mlir/IR/BuiltinAttributes.h" // from @llvm-project |
| #include "mlir/IR/BuiltinOps.h" // from @llvm-project |
| #include "mlir/IR/BuiltinTypes.h" // from @llvm-project |
| #include "mlir/IR/MLIRContext.h" // from @llvm-project |
| #include "mlir/IR/PatternMatch.h" // from @llvm-project |
| #include "mlir/IR/TypeRange.h" // from @llvm-project |
| #include "mlir/Pass/Pass.h" // from @llvm-project |
| #include "mlir/Support/LLVM.h" // from @llvm-project |
| #include "mlir/Support/LogicalResult.h" // from @llvm-project |
| #include "mlir/Transforms/GreedyPatternRewriteDriver.h" // from @llvm-project |
| #include "tensorflow/compiler/mlir/quantization/tensorflow/passes/passes.h" |
| #include "tensorflow/compiler/mlir/quantization/tensorflow/utils/lift_as_function_call_utils.h" |
| #include "tensorflow/compiler/mlir/tensorflow/ir/tf_dialect.h" |
| #include "tensorflow/compiler/mlir/tensorflow/ir/tf_ops.h" |
| |
| namespace mlir { |
| namespace quant { |
| namespace { |
| |
| class LiftQuantizableSpotsAsFunctionsPass |
| : public PassWrapper<LiftQuantizableSpotsAsFunctionsPass, |
| OperationPass<ModuleOp>> { |
| public: |
| MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID( |
| LiftQuantizableSpotsAsFunctionsPass) |
| |
| StringRef getArgument() const final { |
| // This is the argument used to refer to the pass in |
| // the textual format (on the commandline for example). |
| return "quant-lift-quantizable-spots-as-functions"; |
| } |
| |
| StringRef getDescription() const final { |
| // This is a brief description of the pass. |
| return "Replace quantization candidates with composite functions into the " |
| "module"; |
| } |
| |
| void getDependentDialects(DialectRegistry ®istry) const override { |
| registry.insert<TF::TensorFlowDialect>(); |
| } |
| |
| void runOnOperation() override; |
| }; |
| |
| static PassRegistration<LiftQuantizableSpotsAsFunctionsPass> pass; |
| |
| #include "tensorflow/compiler/mlir/quantization/tensorflow/passes/lift_quantizable_spots_as_functions.inc" |
| |
| void LiftQuantizableSpotsAsFunctionsPass::runOnOperation() { |
| MLIRContext *ctx = &getContext(); |
| RewritePatternSet patterns(ctx); |
| ModuleOp module = getOperation(); |
| |
| populateWithGenerated(patterns); |
| FrozenRewritePatternSet frozen_patterns(std::move(patterns)); |
| for (auto func : module.getOps<func::FuncOp>()) { |
| if (failed(applyPatternsAndFoldGreedily(func, frozen_patterns))) { |
| func.emitError() << "quant-lift-quantizable-spots-as-functions failed."; |
| signalPassFailure(); |
| } |
| } |
| } |
| |
| } // namespace |
| |
| std::unique_ptr<OperationPass<ModuleOp>> |
| CreateLiftQuantizableSpotsAsFunctionsPass() { |
| return std::make_unique<LiftQuantizableSpotsAsFunctionsPass>(); |
| } |
| |
| } // namespace quant |
| } // namespace mlir |