diff options
Diffstat (limited to 'passes/opt')
| -rw-r--r-- | passes/opt/opt_clean.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc index 15bbf54e0..004a2078a 100644 --- a/passes/opt/opt_clean.cc +++ b/passes/opt/opt_clean.cc @@ -295,8 +295,8 @@ void rmunused_module(RTLIL::Module *module, bool purge_mode, bool verbose) std::vector<RTLIL::Cell*> delcells; for (auto cell : module->cells()) - if (cell->type == "$pos") { - bool is_signed = cell->getParam("\\A_SIGNED").as_bool(); + if (cell->type.in("$pos", "$_BUF_")) { + bool is_signed = cell->type == "$pos" && cell->getParam("\\A_SIGNED").as_bool(); RTLIL::SigSpec a = cell->getPort("\\A"); RTLIL::SigSpec y = cell->getPort("\\Y"); a.extend_u0(SIZE(y), is_signed); |