Small opt

diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc
index 11c5e35700183b594015e585957b9c5c95fc1d57..b599160cf8eeb6174d1552ddf28827048a864eef 100644 (file)
--- a/frontends/aiger/aigerparse.cc
+++ b/frontends/aiger/aigerparse.cc
@@ -749,7 +749,6 @@ void AigerReader::post_process()
                log_assert(box_module);
 
                RTLIL::Module* flop_module = nullptr;
-               const RTLIL::IdString flop_past_q = RTLIL::escape_id("\\$pastQ");
                if (seen_boxes.insert(cell->type).second) {
                        auto it = box_module->attributes.find("\\abc_flop");
                        if (it != box_module->attributes.end()) {
@@ -830,7 +829,7 @@ void AigerReader::post_process()
                                rhs.append(wire);
                        }
 
-                       if (!flop_module || port_name != flop_past_q)
+                       if (!flop_module || port_name != "\\$pastQ")
                                cell->setPort(port_name, rhs);
                }