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 #ifndef TENSORFLOW_COMPILER_TF2XLA_MLIR_XLA_OP_KERNEL_H_ 17 #define TENSORFLOW_COMPILER_TF2XLA_MLIR_XLA_OP_KERNEL_H_ 18 19 #include "mlir/IR/MLIRContext.h" // from @llvm-project 20 #include "tensorflow/compiler/tf2xla/xla_op_kernel.h" 21 22 namespace tensorflow { 23 24 // An XlaOpKernel that's implemented by lowering using MLIR TensorFlow to HLO 25 // legalization. 26 class MlirXlaOpKernel : public XlaOpKernel { 27 public: 28 explicit MlirXlaOpKernel(OpKernelConstruction* ctx); 29 30 private: 31 Status ContextToXlaArgs(XlaOpKernelContext* ctx, 32 std::vector<XlaCompiler::Argument>& xla_args); 33 void Compile(XlaOpKernelContext* ctx) override; 34 Status ConstructXlaOp(XlaOpKernelContext* ctx); 35 mlir::MLIRContext mlir_ctx_; 36 }; 37 38 } // namespace tensorflow 39 40 #endif // TENSORFLOW_COMPILER_TF2XLA_MLIR_XLA_OP_KERNEL_H_ 41