modified:   ge/graph/passes/base_pass.cc
	modified:   ge/graph/passes/base_pass.h
	modified:   ge/graph/passes/infer_base_pass.cc
	modified:   ge/graph/passes/infershape_pass.cc
	modified:   ge/graph/passes/infershape_pass.h
	modified:   ge/graph/preprocess/graph_preprocess.cc
	modified:   tests/ut/ge/graph/passes/addn_pass_unittest.cc
	modified:   tests/ut/ge/graph/passes/base_pass_unittest.cc
	modified:   tests/ut/ge/graph/passes/infershape_pass_unittest.cc

	modified:   ge/graph/passes/base_pass.cc
	modified:   ge/graph/passes/base_pass.h
	modified:   ge/graph/passes/infer_base_pass.cc
	modified:   ge/graph/passes/infershape_pass.cc
	modified:   ge/graph/passes/infershape_pass.h
	modified:   ge/graph/preprocess/graph_preprocess.cc
	modified:   tests/ut/ge/graph/passes/addn_pass_unittest.cc
	modified:   tests/ut/ge/graph/passes/base_pass_unittest.cc
	modified:   tests/ut/ge/graph/passes/infershape_pass_unittest.cc

Merge pull request !1986 from wangzhengjun/static_check_fix

Merge pull request !1975 from wangzhengjun/single_op_null_tensor

Merge pull request !1952 from 王强/master

Signed-off-by: zhupuxu <zhupuxu@huawei.com>

Merge pull request !1912 from 梁昊/lh2

Merge pull request !1876 from 张晓昆/master

Merge pull request !1860 from 王强/master

From: @zhangxiaokun9
Reviewed-by: @xchu42
Signed-off-by:

From: @dimitri_rose
Reviewed-by: @wqtshg,@ji_chen
Signed-off-by:

From: @wangzhengjun3
Reviewed-by: @wqtshg,@wangxiaotian22
Signed-off-by: @wqtshg

From: @wangxiaotian22
Reviewed-by: 
Signed-off-by:

From: @jiming6
Reviewed-by: @xchu42,@zhangxiaokun9
Signed-off-by: @wqtshg

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

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

From: @dimitri_rose
Reviewed-by: @zhangxiaokun9
Signed-off-by:

From: @hugo1
Reviewed-by: @wqtshg,@wangxiaotian22
Signed-off-by: @wqtshg