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Merge pull request #2424 from whitequark/cxxrtl-multiple-drivers

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cxxrtl: don't assert on wires with multiple drivers
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whitequark 2020-11-01 13:52:59 +00:00 committed by GitHub
parent 56054f2ce3 cdf4ce9871
commit cc7ad65a79
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1 changed files with 2 additions and 0 deletions
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2
backends/cxxrtl/cxxrtl_backend.cc
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@ -2182,6 +2182,8 @@ struct CxxrtlWorker {
if (wire->name.begins_with("$") && !elide_internal) continue;
if (wire->name.begins_with("\\") && !elide_public) continue;
if (edge_wires[wire]) continue;
if (flow.wire_comb_defs[wire].size() > 1)
log_cmd_error("Wire %s.%s has multiple drivers.\n", log_id(module), log_id(wire));
log_assert(flow.wire_comb_defs[wire].size() == 1);
elided_wires[wire] = **flow.wire_comb_defs[wire].begin();
}