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Merge pull request #2873 from whitequark/cxxrtl-fix-2500

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cxxrtl: emit debug items for unused public wires
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whitequark 2021-07-16 11:01:10 +00:00 • committed by GitHub
commit efc43270fa
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1 changed files with 3 additions and 3 deletions
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6
backends/cxxrtl/cxxrtl_backend.cc
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@ -2794,12 +2794,12 @@ struct CxxrtlWorker {
for (auto wire : module->wires()) {
const auto &wire_type = wire_types[wire];
auto &debug_wire_type = debug_wire_types[wire];
if (wire_type.type == WireType::UNUSED) continue;
if (!wire->name.isPublic() && !wire_type.is_buffered()) continue;
if (!debug_info) continue;
if (wire->port_input || wire_type.is_buffered())
debug_wire_type = wire_type; // wire contains state
else if (!wire->name.isPublic())
continue; // internal and stateless
if (!debug_member) continue;
if (wire_type.is_member())
@ -2863,7 +2863,7 @@ struct CxxrtlWorker {
auto &debug_wire_type = debug_wire_types[wire];
if (wire->name.isPublic()) continue;
if (live_wires[wire].empty() || debug_live_wires[wire].empty()) {
if (debug_live_wires[wire].empty()) {
continue; // wire never used
} else if (flow.is_inlinable(wire, debug_live_wires[wire])) {
log_assert(flow.wire_comb_defs[wire].size() == 1);