From: @wangnan39
Reviewed-by: @kingxian,@hwhewei
Signed-off-by: @kingxian

From: @david-he91
Reviewed-by: 
Signed-off-by:

From: @zhujingxuan
Reviewed-by: @hangangqiang
Signed-off-by: @wangchengyuan

From: @lyvette
Reviewed-by: @hangangqiang,@HilbertDavid
Signed-off-by: @hangangqiang

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

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

From: @yanghaitao1
Reviewed-by: @yelihua
Signed-off-by:

From: @zhaodezan
Reviewed-by: @jpc_chenjianping
Signed-off-by: @jpc_chenjianping

If device target is GPU, the device number may be set to 1.

From: @wangrao124
Reviewed-by: @liangchenghui,@guoqi1024
Signed-off-by: @liangchenghui

From: @wangrao124
Reviewed-by: @liangchenghui,@guoqi1024
Signed-off-by: @liangchenghui

Signed-off-by: zhoufeng <zhoufeng54@huawei.com>

From: @ddwsky
Reviewed-by: @zhanghaibo5
Signed-off-by: @zhanghaibo5

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

From: @chenfei52
Reviewed-by: 
Signed-off-by:

From: @YeFeng_24
Reviewed-by: @hangangqiang,@zhanghaibo5,@hangangqiang
Signed-off-by: @hangangqiang

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

From: @liubuyu
Reviewed-by: @zhoufeng54,@kisnwang
Signed-off-by: @kisnwang

From: @islam_amin
Reviewed-by: @yelihua,@wangyue01
Signed-off-by: @wangyue01

From: @liangzhibo
Reviewed-by: @kingxian,@jpc_chenjianping
Signed-off-by: @kingxian

From: @huangbingjian
Reviewed-by: @zh_qh,@hwhewei
Signed-off-by: @zh_qh

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

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

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

1. Search call info before insert nodes for control flow calls;
2. Use label_switch for multi return points if required.