* suport optional input in new_ir

* polish code

* add coverate test

* update

* update

* add unitest

* remove reduplicate code

* udpate

* fix assign error

* revert test arg min max

* update

* fix bug

* polish code

* update

* fix unique and close op bug

* update

* update

* revert test code

* revert unique test

* polish code

* remove useless code

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