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feat: experimental LEC to resizer steps #576

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feat: experimental LEC to resizer steps #576

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Commits on Oct 9, 2024

  1. Add experimental LEC to resizer steps 

    ## Steps

* `OpenROAD.*`
  * All steps now output both a powered AND an unpowered netlist with only logical cells.
  * Cells for logical netlists are now filtered using LEF classes and not input variables.

* `OpenROAD.Resizer*`, `OpenROAD.Repair*`
  * New experimental variable `RSZ_LEC`, which attempts to verify that resizing did not alter the functionality of the circuit using EQY.

## Misc. Enhancements/Bugfixes

* New `DesignFormat`: `NETLIST_NO_PHYSICAL_CELLS` (unpowered)
  * **Heads up**: We're going to rename those to simply "logical" in OpenLane 3.

## Tool Updates

* Update `nix-eda` to `ff3ca89`
  * Updates Yosys to 0.46
    @donn
    donn committed Oct 9, 2024
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  2. Merge branch 'dev' into lec_experiments

    @donn
    donn committed Oct 9, 2024
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