add op lowering for _prelu_kernel_backward #5724
Merged
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Fix #5695
Manual lowering for op
_prelu_kernel_backward
, based on https://github.com/pytorch/pytorch/blob/4b324a8717e54faf1664248c3347633f4ff1e428/aten/src/ATen/native/cpu/Activation.cpp#L1419C1-L1430C1.The op function signature in auto generated file
XLANativeunctions.h
is: