Fixed detection of major wires in opt_clean

diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc
index 2ea60c03cad3902043a819638ae25800a3936823..f8811baca83ae57fd5378a4eecbc6dc43639aae0 100644 (file)
--- a/passes/opt/opt_clean.cc
+++ b/passes/opt/opt_clean.cc
@@ -112,6 +112,9 @@ static bool compare_signals(RTLIL::SigSpec &s1, RTLIL::SigSpec &s2)
        if (w1->port_input != w2->port_input)
                return w2->port_input;
 
+       if (w1->port_output != w2->port_output)
+               return w2->port_output;
+
        if (w1->name[0] != w2->name[0])
                return w2->name[0] == '\\';