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| author | Alberto Gonzalez <boqwxp@airmail.cc> | 2020-04-10 07:19:05 +0000 |
|---|---|---|
| committer | Alberto Gonzalez <boqwxp@airmail.cc> | 2020-05-14 20:06:53 +0000 |
| commit | e49fdee40441cb4b1892007560d56467fd75a798 (patch) | |
| tree | 40f7a1bb895883f539e55c168caa3d68a579c961 /passes/techmap/techmap.cc | |
| parent | 985a29ff3b1f9ce19b091aa2541dc07dbc669341 (diff) | |
| download | yosys-e49fdee40441cb4b1892007560d56467fd75a798.tar.gz yosys-e49fdee40441cb4b1892007560d56467fd75a798.tar.bz2 yosys-e49fdee40441cb4b1892007560d56467fd75a798.zip | |
Do not modify design modules while iterating over `modules()`.
Co-Authored-By: Eddie Hung <eddie@fpgeh.com>
Diffstat (limited to 'passes/techmap/techmap.cc')
| -rw-r--r-- | passes/techmap/techmap.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/passes/techmap/techmap.cc b/passes/techmap/techmap.cc index f300c2f72..930b4c416 100644 --- a/passes/techmap/techmap.cc +++ b/passes/techmap/techmap.cc @@ -1423,11 +1423,14 @@ struct FlattenPass : public Pass { new_used_modules.insert(cell->type); } + std::set<RTLIL::Module *> to_remove; for (auto mod : design->modules()) if (!used_modules[mod->name] && !mod->get_blackbox_attribute(worker.ignore_wb)) { log("Deleting now unused module %s.\n", log_id(mod)); - design->remove(mod); + to_remove.insert(mod); } + for (auto mod : to_remove) + design->remove(mod); } log_pop(); |