From: @Somnus2020
Reviewed-by: @kingxian,@zhunaipan
Signed-off-by: @kingxian

From: @xuguoyang5566
Reviewed-by: @wuxuejian
Signed-off-by: @wuxuejian

From: @ttudu
Reviewed-by: @c_34,@oacjiewen
Signed-off-by: @c_34

From: @zh_qh
Reviewed-by: @ginfung,@zhunaipan
Signed-off-by: @zhunaipan

From: @shaoxiangdong
Reviewed-by: 
Signed-off-by:

From: @zhengjun10
Reviewed-by: @hangangqiang
Signed-off-by:

From: @dinglongwei
Reviewed-by: @wuxuejian,@c_34
Signed-off-by: @wuxuejian,@c_34

From: @zhangbuxue
Reviewed-by: @chujinjin,@zh_qh
Signed-off-by: @zh_qh

From: @yepei6
Reviewed-by: @kisnwang,@kingxian
Signed-off-by: @kingxian

From: @gaoxiong1
Reviewed-by: @ryanww
Signed-off-by:

From: @dayschan
Reviewed-by: @gaoxiong1,@ckey_dou
Signed-off-by: @ckey_dou

From: @yangruoqi713
Reviewed-by: @hangangqiang,@zhang_xue_tong
Signed-off-by: @zhang_xue_tong

From: @lijiaqi0612
Reviewed-by: @zh_qh,@zhunaipan
Signed-off-by: @zhunaipan

what's more:
  remove one restriction of getitem in ops fusion.
  add a while loop for the ShapeOpsSplitter pass.
  add ExpandDims into shape_ops list.

From: @davidmc
Reviewed-by: 
Signed-off-by:

From: @zhaojichen
Reviewed-by: @oacjiewen,@wuxuejian
Signed-off-by: @wuxuejian

From: @ginfung
Reviewed-by: 
Signed-off-by:

From: @yeyunpeng2020
Reviewed-by: @zhanghaibo5,@zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhanghaibo5

From: @yangruoqi713
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @ling_qiao_min
Reviewed-by: 
Signed-off-by:

From: @wukesong
Reviewed-by: @wuxuejian,@c_34
Signed-off-by: @wuxuejian

From: @wangshuide2020
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @yuzhenhua666
Reviewed-by: @c_34,@linqingke
Signed-off-by: @c_34

From: @looop5
Reviewed-by: @lingyunli63,@ckey_dou,@gaoxiong1
Signed-off-by: @ckey_dou

From: @shibeiji
Reviewed-by: 
Signed-off-by:

From: @xutianming1985
Reviewed-by: @liangchenghui,@c_34
Signed-off-by: @liangchenghui

From: @fuzhiye
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @zhan_ke
Reviewed-by: 
Signed-off-by: