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nextpnr-nexus: resource counts are not captured correctly #367

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@tcal-x

See https://symbiflow.github.io/fpga-tool-perf/?elem_id=oneblink-NEXUS-LIFCL-40-9BG400CES-stats&device=NEXUS-LIFCL-40-9BG400CES&project=oneblink

Or run manually:

python3 fpgaperf.py --project oneblink --toolchain nextpnr-nexus --board lifcl-40

and see:

==============================================
FPGA Post place and route resource utilization
==============================================

+----------+------+
| Resource | Used |
+----------+------+
| LUT      | 0    |
| DFF      | 0    |
| CARRY    | 0    |
| IOB      | 0    |
| PLL      | 0    |
| BRAM     | 0    |
+----------+------+

========================================
FPGA Post synthesys resource utilization
========================================

+----------+------+
| Resource | Used |
+----------+------+
| LUT      | 0    |
| DFF      | 0    |
| CARRY    | 0    |
| IOB      | 0    |
| PLL      | 0    |
| BRAM     | 0    |
+----------+------+

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