message: Do not invoke the depthwise convolution converter where convolution group converter works
diff: @@ -152,9 +152,11 @@ Status GpuCompiler::OptimizeHloModule(
  pipeline.AddPass<Convolution4DExpander>();
  - auto cost_model = [](HloInstruction*) {
  - // We need a cost model for GPUs. Currently, do nothing.
  - return false;
  + auto cost_model = [](HloInstruction* conv) {
  + auto operand = conv->operand(0);
  + return operand->shape().dimensions(conv->convolution_dimension_numbers()
  + .input_batch_dimension()) ==
  + conv->batch_group_count();
  };
  pipeline.AddPass<DepthwiseConvolutionConverter>(cost_model);
  