!160 add dt_variant type

Merge pull request !160 from yangyongqiang/dev_add_variant

metadef

@@ -1 +1 @@
-Subproject commit 8c89c521f5d682327b2f975cf06f7093960eb2f0
+Subproject commit c14d2be38171eed63416e71178774103faf1f5cd

parser/caffe/proto/ge_ir.proto

@@ -30,6 +30,7 @@ enum DataType
     DT_RESOURCE  = 23;         // resource type
     DT_STRING_REF = 24;        // string_ref type
     DT_DUAL      = 25;              /**< dual output type */
+    DT_VARIANT = 26;           // variant type
 }
 
 message AttrDef

parser/common/proto/ge_ir.proto

@@ -30,6 +30,7 @@ enum DataType
     DT_RESOURCE  = 23;         // resource type
     DT_STRING_REF = 24;        // string_ref type
     DT_DUAL      = 25;              /**< dual output type */
+    DT_VARIANT = 26;           // variant type
 }
 
 message AttrDef

parser/proto/ge_ir.proto

@@ -30,6 +30,7 @@ enum DataType
     DT_RESOURCE  = 23;         // resource type
     DT_STRING_REF = 24;        // string_ref type
     DT_DUAL      = 25;              /**< dual output type */
+    DT_VARIANT = 26;           // variant type
 }
 
 message AttrDef

parser/tensorflow/proto/ge_ir.proto

@@ -30,6 +30,7 @@ enum DataType
     DT_RESOURCE  = 23;         // resource type
     DT_STRING_REF = 24;        // string_ref type
     DT_DUAL      = 25;              /**< dual output type */
+    DT_VARIANT = 26;           // variant type
 }
 
 message AttrDef