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Diffstat (limited to 'passes/techmap/abc9.cc')
| -rw-r--r-- | passes/techmap/abc9.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 53b0b8bbe..b9eb71cf1 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -999,6 +999,9 @@ struct Abc9Pass : public Pass { } extra_args(args, argidx, design); + if (lut_costs.empty() && lut_file.empty()) + log_cmd_error("abc9 must be called with '-lut' or '-luts'\n"); + for (auto mod : design->selected_modules()) { if (mod->attributes.count("\\abc_box_id")) |