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Since ONNX opset version 14, layout attribute has been introduced to LSTM operator which allows two predefined layouts for input and output shapes.  Add corresponding reference, onnx, and verify tests.

Updated each source file in the repo with the existing license.

* Load op when serializing

* Formatting

* Add missing clip field

* Use make_op almost everywhere

* Formatting

* More make ops for rnns

* Get rid of spaces

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* Remove operators headers

* Formatting

* Remove unused op headers

* Increase line threshold

* code backup

* clang format

* change corresponding tool files

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Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* add an api get_main_module

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* modify onnx unit test for module

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* refactor ops unit test with the get_main_module

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* code backup

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* refine module c api

* add python api for module

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* fix a python api issue

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* fix cppcheck error

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* refine unit tests changes

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* defer some changes to later PRs

* change return of get_main_module from ref to pointer

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* add unit tests for the get_main_module_api

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* fix cppcheck error

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* add more unit tests for more code change coverage

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* fix unit test

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* code change for more code coverage

* Add option to no generate a destroy method

* Formatting

* fix some review comments

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* fix review comments

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Co-authored-by: Paul <pfultz2@yahoo.com>

* code backup

* clang format

* fix compiling errors

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* rename a few files

* rename a few files

* fix variable bugs

* clang format

* add an operator to shift input sequences

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* fixed a bug

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* fixed a bug

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* code backup

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* code backup

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* code backup

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* refine code related lstm operator optimization

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* fix various bugs

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* fixed a bug in rewrite_lstm

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* fixed another bug

* refine two operator names

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* refine file names

* fix cppcheck error

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* fix cppcheck error

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* fix cppcheck error

* fixed review comments

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* add unit tests

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* add unit tests

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* refine unit tests for better coverage

* clang format

* fixed a bug

* fix cppcheck error

* fix review comments

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* rename two operators according to review comments

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* fix review comments

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* fix review comments

* clang format

* fix review comments

* fix a cppcheck error

* clang format

* fix review comments

* clang format
Co-authored-by: Shucai Xiao <scxiao@prj47-rack-99.local.lan>
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* Add initial api

* Formatting

* Add more api

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* Add auto api generation

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* Fix some compilation errors

* Change handle struct

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* Fix reamining compilation errors

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* fixed a bug related to number of outputs

* Simplify using ctype

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* Initial c++ generation

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* Add C++header

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* Add test

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* Add initial tests

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* Try to fix formatting

* Cleanup formatting

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* Fix constructors on the same line

* Fix tests

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* Fix tidy issues

* Fix tidy issues

* Fix naming issue

* Add onnx API to parse buffer

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* Add arguments api

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* Fix verify parameters

* Fix cppcheck issues

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* Add method to get output shapes and bytes

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* Try formatting

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* Improve the test coverage

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* Add print method

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* Fix cppcheck issue

* Fix package dependency

* code backup for support multiple outputs

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* change migraphx api to support multiple program outputs

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* change api implementation

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* fix a build error

* additional changes

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* change api for correct automatic generation

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* fix unit test error

* fix unit test error

* fix unit tests error

* support multiple program outputs

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* remove @ from the add_return name

* Add nolint

* Try fix formatting

* Formatting

* formatting

* formatting

* Fix formatting

* code cleanup

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* fix cppcheck error

* fix a cppcheck error

* clang format

* fix review comments

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* fix cppcheck error

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* record graph output name

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* refine print the add_return instruction

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* fix cppcheck error

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* refine the name of the add_return instruction

* fixed a bug related to workspace

* fixed two small bugs

* clang format

* add more unit tests for multiple program outputs

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* change an error info

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* fix cppcheck error

* add unit test for better code coverage

* change to reduce code change

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* remove storing program output

* fix cppcheck error

* fix review comments

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* remove unnecessary change

* resolve an assert error

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* change the output name with prefix '#'

* changes in quantization function to support the returns instructin

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* refine unit tests

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* refine profiling print out report
Co-authored-by: Paul <pfultz2@yahoo.com>
Co-authored-by: Khalique <15948690+kahmed10@users.noreply.github.com>
Co-authored-by: mvermeulen <5479696+mvermeulen@users.noreply.github.com>

* change to support optional outputs

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* add onnx test for better code coverage

* add corresponding onnx file

* fix review comments of handling optional program outputs

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* change onnx unit test to pass

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* refine onnx unit tests

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* remove unnecessary code

fix comments about enum rnn_direction, rnn_last_output, and added more tests to achieve better code coverage