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

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

From: @ziruiwu
Reviewed-by: @mikef,@nsyca
Signed-off-by: @nsyca

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

From: @danishnxt
Reviewed-by: @robingrosman
Signed-off-by:

From: @liucunwei
Reviewed-by: @pandoublefeng,@jonyguo
Signed-off-by: @pandoublefeng

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

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

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

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

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

From: @shenwei41
Reviewed-by: 
Signed-off-by:

From: @lixiachen
Reviewed-by: @nsyca,@mikef,@nsyca,@mikef
Signed-off-by: @nsyca

From: @liangzhibo
Reviewed-by: @chenfei52,@zh_qh
Signed-off-by: @zh_qh

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

From: @yuan_shen_zhou
Reviewed-by: @liangchenghui,@liangchenghui
Signed-off-by: @liangchenghui,@liangchenghui

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

From: @chopin_syp
Reviewed-by: @xsmq,@kisnwang
Signed-off-by: @kisnwang

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

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

From: @zhengjun10
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @hangangqiang

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

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

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

From: @huangxinjing
Reviewed-by: @lichen666,@yangzhenzhang
Signed-off-by:

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

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

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

and other minor changes per the request of HQ testers

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

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

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

add 2 test cases to IRNode Deepcopy()

address review cmts

fix ut

samplerObj copy

ci

fix ci

fix ci round III

address further review cmts

add a missing macro

fix merge conflict

fix complie err

fix lite compile err

fix compile err

fix lite compile round III

address an issue

fix minor comments

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

From: @gzhcv
Reviewed-by: @ouwenchang,@lilongfei15
Signed-off-by: @lilongfei15