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Merge pull request #3946 from rmlarsen/toposort

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Speed up TopoSort by 2.7-3.3x.
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Lofty 2023-10-17 13:00:18 +01:00 • committed by GitHub
commit d21c464ae4
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5 changed files with 102 additions and 52 deletions
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passes/techmap/flatten.cc
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@ -312,7 +312,7 @@ struct FlattenPass : public Pass {
for (auto cell : module->selected_cells()) {
RTLIL::Module *tpl = design->module(cell->type);
if (tpl != nullptr) {
if (topo_modules.database.count(tpl) == 0)
if (!topo_modules.has_node(tpl))
worklist.insert(tpl);
topo_modules.edge(tpl, module);
}