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

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

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

From: @liangzelang
Reviewed-by: @hwhewei,@zhoufeng54
Signed-off-by: @zhoufeng54

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

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

From: @liu_xiao_93
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

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

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

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

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

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

2. Dump the end graph in gpu session and cu session

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

From: @louie5
Reviewed-by: @ouwenchang,@lixiaohui33
Signed-off-by: @lixiaohui33

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

From: @HulkTang
Reviewed-by: @zhoufeng54,@jjfeing
Signed-off-by: @jjfeing

From: @alouhahahahaha
Reviewed-by: @jjfeing
Signed-off-by: @jjfeing

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

From: @zhangxinfeng3
Reviewed-by: @wang_zi_dong,@ljl0711
Signed-off-by: @ljl0711

From: @liu_xiao_93
Reviewed-by: @liangchenghui
Signed-off-by: @liangchenghui

From: @linqingke
Reviewed-by: @xu-yfei,@jjfeing
Signed-off-by: @xu-yfei,@jjfeing

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

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

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

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

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

From: @zpac
Reviewed-by: @cristoval,@wilfchen
Signed-off-by: @cristoval

From: @zhangxinfeng3
Reviewed-by: @ljl0711,@wang_zi_dong
Signed-off-by: @wang_zi_dong

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

Fixed cpplint