Multiple optimizer passes

[andygrove]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
Issues such as #3864 can possibly be solved with multiple optimizer passes

Describe the solution you'd like
Multiple optimizer passes

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.