diff options
Diffstat (limited to 'passes/opt/opt_clean.cc')
| -rw-r--r-- | passes/opt/opt_clean.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc index da3961218..6271376f1 100644 --- a/passes/opt/opt_clean.cc +++ b/passes/opt/opt_clean.cc @@ -406,6 +406,9 @@ bool rmunused_module_signals(RTLIL::Module *module, bool purge_mode, bool verbos if (verbose && del_temp_wires_count) log_debug(" removed %d unused temporary wires.\n", del_temp_wires_count); + if (!del_wires_queue.empty()) + module->design->scratchpad_set_bool("opt.did_something", true); + return !del_wires_queue.empty(); } @@ -476,6 +479,9 @@ bool rmunused_module_init(RTLIL::Module *module, bool purge_mode, bool verbose) next_wire:; } + if (did_something) + module->design->scratchpad_set_bool("opt.did_something", true); + return did_something; } |