(dialects): adding csl_wrapper dialect

[n-io]

The csl_wrapper dialect is helps initialise CSL modules and manage params.

• Properties of the csl_wrapper.module are passed as BlockArgs to both layout_module and program_module
• The layout module takes %x and %y BlockArgs, as well as all properties. The layout module offers various simplifications:
  • The terminating csl_wrapper.yield op is lowered to @set_tile_code. Any values yielded are passed as BlockArgs to the program module
  • Any operation using %x or %y will automatically be placed at the correct level of nesting for the generated @set_tile_code loop
  • Structs do not need to be handled manually at this stage and should be constructed automatically when lowering. At this level, we can simply provide a list of field names and args to yield.
  • The csl_wrapper.import_module op and yield can both take field names directly, without the need to handle structs at this level (the former exists solely for this purpose)
• The program module's BlockArgs are all csl_wrapper.module properties as well as every field yielded by layout's yield op.
• The semantics of properties-as-BlockArgs should hopefully keep program parameters nicely organised - i.e.., that we don't end up with separate, diverging copies of anything. This should make it really straightforward to manage program-wide properties before further lowering.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.85%. Comparing base (9e2bf03) to head (034993d).
Report is 35 commits behind head on main.

Additional details and impacted files

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  Coverage   89.85%   89.85%            
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  Files         397      399     +2     
  Lines       49447    50171   +724     
  Branches     7607     7755   +148     
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+ Hits        44430    45083   +653     
- Misses       3824     3860    +36     
- Partials     1193     1228    +35     

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[AntonLydike]

This is a great direction to go in, I'm just not 100% on board with the current execution of it.

[AntonLydike]

Nicely done! Just one minor nitpick!