“d60751fb71490b77bbf5b90faa87fcf4bb01670b”上不存在“paddle/phi/kernels/gpu/kldiv_loss_grad_kernel.cu”
* add sparse support for sum op * typo fix * fix gpu build error * fix unittest error * typo fix * infer var type and shape in op_test * follow comments * fix build error * bypass some unittests depend on NetOp