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write_xaiger: fix for (* keep *) on flop output

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This commit is contained in:
Eddie Hung 2020-01-21 09:43:04 -08:00
parent d4e188299b
commit cd8f55a911
2 changed files with 18 additions and 3 deletions
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6
backends/aiger/xaiger.cc
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@ -222,6 +222,8 @@ struct XAigerWriter
alias_map[Q] = D;
auto r YS_ATTRIBUTE(unused) = ff_bits.insert(std::make_pair(D, cell));
log_assert(r.second);
if (input_bits.erase(Q))
log_assert(Q.wire->attributes.count(ID::keep));
continue;
}
@ -568,9 +570,6 @@ struct XAigerWriter
// write_o_buffer(0);
if (!box_list.empty() || !ff_bits.empty()) {
RTLIL::Module *holes_module = module->design->module(stringf("%s$holes", module->name.c_str()));
log_assert(holes_module);
dict<IdString, std::tuple<int,int,int>> cell_cache;
int box_count = 0;
@ -653,6 +652,7 @@ struct XAigerWriter
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
f.write(buffer_str.data(), buffer_str.size());
RTLIL::Module *holes_module = module->design->module(stringf("%s$holes", module->name.c_str()));
if (holes_module) {
std::stringstream a_buffer;
XAigerWriter writer(holes_module, true /* holes_mode */);