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* add a pass to normalize ops

* clang format

* add unit tests

* clang format

* code backup

* clang format

* code backup

* clang format

* add support for slice in the normalize_op function

* clang format

* add operation method api for whether we need to call normalize_op

* clang format

* fix review comments

* clang format

* rename a function namejJ

* clang format

* change compute_shape to normalize_compute_shape for corresponding operators

* clang format

* remove unnecessary code

* fix various issues

* clang format

* add attributes to operators having axis attributes

* clang format

* fixed jenkins build error

* clang format

* fix a bug related to slice

* clang format

* code backup

* clang format

* code backup

* clang format

* rename a file

* fix cppcheck error

* some code refinement

* clang format

* change attributes to enum

* clang format

* refine the enum

* clang format

* remove unnecessary code

* add unit tests for more code coverage and fixed a bug

* clang format

* remove unnecessary changes

* change normalize_axes to normalize

* clang format

* revert back the changes in broadcast.hpp

* rename normalize_axes to normalize

* fix review comments

* clang format

* Add flag to enable cpu backend

* Make buffers shared

* Enable optimizations

* Formatting

* Try to avoid ambiguous assign in value class

* fixed a build error

* clang format

* add the normalize_ops pass to the ref target

* refactor program to module to normalize_ops pass
Co-authored-by: Paul <pfultz2@yahoo.com>
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>