interactive: mlir-gui version 1

[dshaaban01]

This is a first attempt at creating an mlir-gui. I would like to upstream it (still figuring out whether to do that in this repo or in the mlir repo). Open to feedback/advice from anyone interested :)

It is very similar to xdsl-gui, with some changes:

• only executes mlir-opt --passes , no xdsl-passes
• displays the list of available mlir-opt passes via parsing the output of `mlir-opt --help' (rather ugly way to get the mlir passes, if I upstream it, will make it more fancy)
• condense button not there anymore
• requires mlir-opt to be on your PATH
• call mlir-gui in terminal to get it :)

Some open questions:

• should it be connected to xdsl-gui with a button (users can flip between xdsl-gui app and mlir-gui app)?
• does it belong in the xdsl repo?

Note: It is not perfect and has some errors if you search hard enough (especially with pass selection)! Still needs work, this is just version 1 :)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.88%. Comparing base (d7f6068) to head (57e8f84).

Additional details and impacted files

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##             main    #3667      +/-   ##
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- Coverage   91.30%   90.88%   -0.42%     
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  Files         466      468       +2     
  Lines       58357    58626     +269     
  Branches     5624     5651      +27     
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  Hits        53280    53280              
- Misses       3628     3897     +269     
  Partials     1449     1449              

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