1 /* Copyright 2019 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_XLA_SERVICE_MLIR_GPU_KERNEL_LOWERING_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_MLIR_GPU_KERNEL_LOWERING_H_ 18 19 #include "mlir/IR/BuiltinOps.h" // from @llvm-project 20 #include "tensorflow/compiler/xla/status.h" 21 #include "tensorflow/compiler/xla/statusor.h" 22 23 namespace xla { 24 namespace mlir_gpu { 25 26 struct LowerLHLOToGPUOptions { 27 llvm::ArrayRef<unsigned> tile_sizes = {16, 64}; 28 llvm::ArrayRef<unsigned> unroll_factors = {}; 29 bool collapse_parallel_loops = true; 30 bool rewrite_signature = true; 31 bool use_approximations = false; 32 }; 33 34 Status LowerLHLOToGPU(mlir::ModuleOp module, 35 LowerLHLOToGPUOptions options = {}); 36 37 Status LowerKernelBodiesToNVVM(mlir::ModuleOp module); 38 39 Status LowerKernelBodiesToROCDL(mlir::ModuleOp module); 40 41 StatusOr<mlir::ModuleOp> ExtractKernelModule(mlir::ModuleOp module); 42 43 } // namespace mlir_gpu 44 } // namespace xla 45 46 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_MLIR_GPU_KERNEL_LOWERING_H_ 47