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

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

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

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

From: @wilfchen
Reviewed-by: @cristoval,@limingqi107
Signed-off-by: @limingqi107

---
Remove the routine of handling isolated nodes in Renormalize.
Add isolated nodes from Parser&Resolver.
Modify isolated nodes handling in FG&Manager.
Optimize the renormalize routines.
Other optimizations.

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

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

From: @caojian05
Reviewed-by: @oacjiewen
Signed-off-by:

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

From: @lihongkang1
Reviewed-by: 
Signed-off-by:

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

From: @louie5
Reviewed-by: 
Signed-off-by:

From: @jiangzg001
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

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

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

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

From: @xiefangqi
Reviewed-by: @liucunwei,@liucunwei,@heleiwang
Signed-off-by: @liucunwei

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

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

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

From: @lizhenglong1992
Reviewed-by: @heleiwang,@liucunwei
Signed-off-by: @liucunwei

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

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

From: @gaoyong10
Reviewed-by: 
Signed-off-by:

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

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

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

Fixed compile error

Fixed more testcases

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

From: @yuchaojie
Reviewed-by: @kingxian,@jjfeing
Signed-off-by: @kingxian,@jjfeing

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

From: @lizhenglong1992
Reviewed-by: @liucunwei,@heleiwang
Signed-off-by: @liucunwei

From: @luoyang42
Reviewed-by: @pandoublefeng,@heleiwang,@liucunwei
Signed-off-by: @pandoublefeng,@liucunwei

Fix: reshape with aix bug.

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