diff options
Diffstat (limited to 'passes/opt/opt_clean.cc')
-rw-r--r-- | passes/opt/opt_clean.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc index 96c4c7a18..2ea60c03c 100644 --- a/passes/opt/opt_clean.cc +++ b/passes/opt/opt_clean.cc @@ -47,7 +47,7 @@ static void rmunused_module_cells(RTLIL::Module *module, bool verbose) wire2driver.insert(sig, cell); } } - if (cell->type == "$memwr") + if (cell->type == "$memwr" || cell->attributes.count("\\keep")) queue.insert(cell); unused.insert(cell); } |