* support attribute hook and fix_reduce_all

* resolve merge conflicts

* fix coverage ci

* trigger CI

* trigger CI

* fix coverage ci

* bind ir core

* perfect code

* deal with conflict

* fix empty_var_name problem

* fix coverage ci

* fix coverage ci

* fix

* fix

* fix

* fix

* fix

* fix coverage ci

* add test case

* refine program translator

* fix warning: not override

* fix bug

* merge new modifications

* modify by reviews

* resolve conflicts

* resolve conflicts

* fix

* fix

* fix conflicts

* add unittest for special op transcriber

* set cpu as default backend

* modify by reviews