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Remove topo sort no-loop assertion, with test

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This commit is contained in:
Eddie Hung 2019-04-24 21:06:53 -07:00
parent f96d82a5f1
commit eec314e262
4 changed files with 76 additions and 14 deletions
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13
backends/aiger/xaiger.cc
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@ -294,20 +294,7 @@ struct XAigerWriter
for (auto user_cell : it.second)
toposort.edge(driver_cell, user_cell);
#ifndef NDEBUG
toposort.analyze_loops = true;
#endif
toposort.sort();
#ifndef NDEBUG
for (auto &it : toposort.loops) {
log(" loop");
for (auto cell : it)
log(" %s", log_id(cell));
log("\n");
}
#endif
log_assert(!toposort.found_loops);
for (auto cell_name : toposort.sorted) {
RTLIL::Cell *cell = module->cell(cell_name);
RTLIL::Module* box_module = module->design->module(cell->type);