From: @fangzehua
Reviewed-by: @kisnwang,@stsuteng
Signed-off-by: @stsuteng

From: @zuochuanyong
Reviewed-by: @chujinjin,@kisnwang
Signed-off-by: @chujinjin

From: @yanzhenxiang2020
Reviewed-by: 
Signed-off-by:

From: @anrui-wang
Reviewed-by: 
Signed-off-by:

From: @wanyiming
Reviewed-by: @zh_qh,@kingxian
Signed-off-by: @kingxian

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

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

Refactor the BasicOpsFusion and CompositeOpsFusion to one pass.
Add a pass to eliminate the redundant output.

TODO: rename the file basic_ops_fusion and delete the file composite_ops_fusion

From: @zhoufeng54
Reviewed-by: 
Signed-off-by:

From: @caojian05
Reviewed-by: @linqingke,@guoqi1024
Signed-off-by: @linqingke

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

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

Add select ops for cpu

Add select ops for cpu

Add select ops for cpu -- remove useless methods

Add select ops for cpu -- remove useless methods

Add select ops for cpu -- remove useless methods

From: @lijiaqi0612
Reviewed-by: @c_34,@zh_qh
Signed-off-by: @c_34

From: @zhouyaqiang0
Reviewed-by: @c_34,@guoqi1024
Signed-off-by: @c_34

From: @peixu_ren
Reviewed-by: @zichun_ye,@liangchenghui
Signed-off-by: @liangchenghui

From: @shallydeng
Reviewed-by: @zichun_ye,@sunnybeike
Signed-off-by: @sunnybeike

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

From: @xiaoyisd
Reviewed-by: @liangchenghui,@jjfeing
Signed-off-by: @liangchenghui

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

From: @peilin-wang
Reviewed-by: @robingrosman,@tom__chen
Signed-off-by: @robingrosman

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

From: @TFbunny
Reviewed-by: @robingrosman,@robingrosman
Signed-off-by:

From: @alex-yuyue
Reviewed-by: @mikef
Signed-off-by: