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abc9_ops: Allow no arcs on box w/o inputs or w/o outputs

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Martin Povišer 2024-12-05 16:19:55 +01:00
parent 481d596c43
commit f3f8037328
1 changed files with 2 additions and 1 deletions
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3
passes/techmap/abc9_ops.cc
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@ -1093,8 +1093,9 @@ void prep_box(RTLIL::Design *design)
ss << std::endl; ss << std::endl;
auto &t = timing.setup_module(module); auto &t = timing.setup_module(module);
if (t.comb.empty()) if (t.comb.empty() && !outputs.empty() && !inputs.empty()) {
log_error("Module '%s' with (* abc9_box *) has no timing (and thus no connectivity) information.\n", log_id(module)); log_error("Module '%s' with (* abc9_box *) has no timing (and thus no connectivity) information.\n", log_id(module));
}
for (const auto &o : outputs) { for (const auto &o : outputs) {
first = true; first = true;