* add ir output check in OpTest

* add ir grad check in op test

* fix legacy name converter bug

* add more unittest

* fix

* fix warprnn op bug

* add whit list

* polish code

* polish code

* fix unique and close op bug

* fix bug

* update

* fix new ir unique is close bug

* remove useless code

* use new stringattr api

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Co-authored-by: Nkangguangli <kangguangli@hotmail.com>
Co-authored-by: Nzhangbo9674 <zhangbo54@baidu.com>