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

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

The basic idea is: exploits data dependency to control the execution order
of side-effect operations, and keep the semantics of ANF unchanged.

The ControlDepend primitive is removed and there are two primitives added:

1. UpdateState:
```
  a = Assign(para, value)
```
became:
```
  a = Assign(para, value, u)
  u = UpdateState(u, a)
```

2. Load:
```
  x = Add(para, value)
```
became:
```
  p = Load(para, u)
  x = Add(p, value)
  u = UpdateState(u, p)
```

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

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

From: @wangnan39
Reviewed-by: 
Signed-off-by:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

new mul node

new mul node

convert const to attr