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Merge pull request #2082 from YosysHQ/eddie/abc9_scc_fixes

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abc9: fixes around handling combinatorial loops
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Eddie Hung 2020-06-03 17:35:46 -07:00 • committed by GitHub
commit 45cd323055
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3 changed files with 18 additions and 3 deletions
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backends/aiger/xaiger.cc
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@ -156,7 +156,7 @@ struct XAigerWriter
// promote keep wires
for (auto wire : module->wires())
if (wire->get_bool_attribute(ID::keep))
if (wire->get_bool_attribute(ID::keep) || wire->get_bool_attribute(ID::abc9_keep))
sigmap.add(wire);
for (auto wire : module->wires()) {