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

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

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

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

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

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

this commit reverts the modification for basic_ops_fusion.cc in 8af78cd5c,
the getitem should be fused with its all users.
(no bug. but when the network is large, it works very slowly, this's a temporary solution)

1. add parameter info
2. update atomic clean inputs
3. remove somas_mem_pool.ir

new mul node

new mul node

convert const to attr

sparse loss

format

add string head

context

what's more:
  remove one restriction of getitem in ops fusion.
  add a while loop for the ShapeOpsSplitter pass.
  add ExpandDims into shape_ops list.

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

From: @looop5
Reviewed-by: @lingyunli63,@ckey_dou,@gaoxiong1
Signed-off-by: @ckey_dou

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

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

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

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

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

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

From: @lianliguang
Reviewed-by: @zhoufeng54,@chujinjin
Signed-off-by: @chujinjin

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

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

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

fixbug in ReplaceNewFuseCNode
add a pass to eliminate repeated output after cse
fixbug in graph_kernel_splitter
do not fuse reshape op as output in costmodel.

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

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