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Merge pull request #5615 from rocallahan/remove-used-signals-updates

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Don't update `used_signals` for retained wires in `rmunused_module_signals`.
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Emil J 2026-01-26 15:47:25 +01:00 • committed by GitHub
commit 673c8d1ae7
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2 changed files with 10 additions and 2 deletions
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2
passes/opt/opt_clean.cc
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@ -467,8 +467,6 @@ bool rmunused_module_signals(RTLIL::Module *module, bool purge_mode, bool verbos
wire->attributes.erase(ID::init);
else
wire->attributes.at(ID::init) = initval;
used_signals.add(new_conn.first);
used_signals.add(new_conn.second);
module->connect(new_conn);
}

10
tests/opt/opt_clean_standalone_wires.ys Normal file
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@ -0,0 +1,10 @@
read_rtlil << EOT
module \test
wire \wire_a
wire \wire_f
connect \wire_f \wire_a
end
EOT
opt_clean
select -assert-count 0 */*