1 /* Copyright 2017 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_GPU_PAD_INSERTION_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_GPU_PAD_INSERTION_H_ 18 19 #include "tensorflow/compiler/xla/service/hlo_pass_interface.h" 20 21 namespace xla { 22 namespace gpu { 23 24 // An HLO pass that canonicalizes convolution instructions for GPU codegen. It 25 // inserts Pad instructions before Convolution instructions with uncanonicalized 26 // padding, so that they can be lowered to cuDNN convolution. 27 class PadInsertion : public HloPassInterface { 28 public: 29 tensorflow::StringPiece name() const override { return "pad insertion"; } 30 31 StatusOr<bool> Run(HloModule* module) override; 32 33 private: 34 // Returns if any changes are made to the parent computation. 35 bool CanonicalizeForwardConvolution(HloInstruction* conv); 36 bool CanonicalizeBackwardFilterConvolution(HloInstruction* backward_conv); 37 bool CanonicalizeBackwardInputConvolution(HloInstruction* backward_conv); 38 }; 39 40 } // namespace gpu 41 } // namespace xla 42 43 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_GPU_PAD_INSERTION_H_ 44
