* move arg min max to phi.

* move infermeta.

* fix as reviews.

* rename pten dir to phi

* rename namespace to phi

* rename infrt pten dir to phi

* resolve conflict

* rename pten to phi in cmake

* revert all infrt change

* change needed files

* fix infrt failed

* fix inference failed

* Unify paddle/pten::framework::ddim into pten::ddim

* fix paddle namespace

* compile sucessfully

* fix npu src file

* fix conflict

* fix conflict

* fix tensorrt compiler error

* fix conflict

* fix conflict

* fix tesst file conflict

* fix conflict

* fix mlu file conflict

* fix mlu file conflict

* fix cinn header file conflict

* fix conflict

* fix conflict

* fix conflict

* fix conflict

* Using VisitDataTypeTiny and put CastOP after ReduceOP, test=develop

* remove changes of reduce_op.h, test=develop

add the error message check for the some operator

update the check for the dtype check for the argmin, argmax

* fix the argmin,argmax op for the paddlepaddle 2.0， add checkPoint for the argmax/argmin

* add the new api and op for the argmax, argmin

* API(argsort, argmax, argmin, cast, diag) error message enhancement, test=develop

* Add the argmax op to API 2.0, test=develop

* Fix the compiler problem in arg_max op, test=develop

* Fix the import meesage in common_ops_import, test=develop

* Fix the default dtype of arg_min_max, test=develop

test=develop

* Remove unused arg_max/min_op.h
* Remove reference parameter. Use pointer insteaded.
* undef macro
* Always set OutT as int64_t.