Enable eager execution (#3306)
* sync output of ir node to enable pseudo eager mode
* formating changes
* bug fix
* renamed to eager_debug and used device data check
* formatting change
* replaced the api with the env variable
* renamed the methods
* added tests for eager mode
* sync output of ir node to enable pseudo eager mode
formating changes
bug fix
renamed to eager_debug and used device data check
replaced the api with the env variable
* skipped the test
