Merge pull request !1618 from baihuawei/cpulstm

Merge pull request !1612 from kisnwang/add-cpu-stridedslice

Merge pull request !1257 from candanzg/implicit_type_conversion2

Merge pull request !1310 from baihuawei/cpu-lstm

Merge pull request !1265 from baihuawei/transpose

Merge pull request !1513 from zyli2020/refine_data_copy_in_multi_graph

Merge pull request !1531 from sunsuodong/multi_input

Signed-off-by: candanzg <zhangshucheng@huawei.com>

Merge pull request !1383 from amongo/KeepPrimAttrInCNode

modify infer to get abstract value and attr value map together

support get attr in specialize

clone primitive when specialize if attribute is not the same with
infered attribute

Merge pull request !1320 from JichenZhao/applyrms_squaresumall_cumprod_reduceprod

Merge pull request !1279 from gongchen/fix_custom_op_case

Merge pull request !1058 from sunsuodong/lstm_ops

Merge pull request !1091 from chenweifeng/cast

Merge pull request !1057 from chenweifeng/matmul

Merge pull request !370 from chenweifeng/unsorted_segment_sum

Merge pull request !994 from chenweifeng/broadcast_unequal_dims

Merge pull request !1021 from chenweifeng/broadcast_grad

Merge pull request !948 from chenweifeng/logsoftmax