Feng Liu 3d7ab2d265 Add support to opaque elements attributes ... For some of the constant vector / tesor, if the compiler doesn't need to interpret their elements content, they can be stored in this class to save the serialize / deserialize cost. syntax: `opaque<` tensor-type `,` opaque-string `>` opaque-string ::= `0x` [0-9a-fA-F]* PiperOrigin-RevId: 218399426		2019-03-29 13:36:45 -07:00
mlir	Add support to opaque elements attributes	2019-03-29 13:36:45 -07:00