1 files changed, 8 insertions, 8 deletions

diff --git a/passes/techmap/iopadmap.cc b/passes/techmap/iopadmap.cc
index 5fe965600..6834cc95c 100644
--- a/passes/techmap/iopadmap.cc
+++ b/passes/techmap/iopadmap.cc
@@ -197,8 +197,8 @@ struct IopadmapPass : public Pass {
 				SigMap rewrites;
 
 				for (auto cell : module->cells())
-					if (cell->type == "$_TBUF_") {
-						SigBit bit = sigmap(cell->getPort("\\Y").as_bit());
+					if (cell->type == ID($_TBUF_)) {
+						SigBit bit = sigmap(cell->getPort(ID(Y)).as_bit());
 						tbuf_bits[bit].first = cell->name;
 					}
 
@@ -230,8 +230,8 @@ struct IopadmapPass : public Pass {
 						if (tbuf_cell == nullptr)
 							continue;
 
-						SigBit en_sig = tbuf_cell->getPort("\\E").as_bit();
-						SigBit data_sig = tbuf_cell->getPort("\\A").as_bit();
+						SigBit en_sig = tbuf_cell->getPort(ID(E)).as_bit();
+						SigBit data_sig = tbuf_cell->getPort(ID(A)).as_bit();
 
 						if (wire->port_input && !tinoutpad_celltype.empty())
 						{
@@ -244,7 +244,7 @@ struct IopadmapPass : public Pass {
 							cell->setPort(RTLIL::escape_id(tinoutpad_portname2), owire);
 							cell->setPort(RTLIL::escape_id(tinoutpad_portname3), data_sig);
 							cell->setPort(RTLIL::escape_id(tinoutpad_portname4), wire_bit);
-							cell->attributes["\\keep"] = RTLIL::Const(1);
+							cell->attributes[ID(keep)] = RTLIL::Const(1);
 
 							for (auto cn : tbuf_cache.second) {
 								auto c = module->cell(cn);
@@ -281,7 +281,7 @@ struct IopadmapPass : public Pass {
 							cell->setPort(RTLIL::escape_id(toutpad_portname), en_sig);
 							cell->setPort(RTLIL::escape_id(toutpad_portname2), data_sig);
 							cell->setPort(RTLIL::escape_id(toutpad_portname3), wire_bit);
-							cell->attributes["\\keep"] = RTLIL::Const(1);
+							cell->attributes[ID(keep)] = RTLIL::Const(1);
 
 							for (auto cn : tbuf_cache.second) {
 								auto c = module->cell(cn);
@@ -408,7 +408,7 @@ struct IopadmapPass : public Pass {
 							cell->parameters[RTLIL::escape_id(widthparam)] = RTLIL::Const(1);
 						if (!nameparam.empty())
 							cell->parameters[RTLIL::escape_id(nameparam)] = RTLIL::Const(stringf("%s[%d]", RTLIL::id2cstr(wire->name), i));
-						cell->attributes["\\keep"] = RTLIL::Const(1);
+						cell->attributes[ID(keep)] = RTLIL::Const(1);
 					}
 				}
 				else
@@ -421,7 +421,7 @@ struct IopadmapPass : public Pass {
 						cell->parameters[RTLIL::escape_id(widthparam)] = RTLIL::Const(wire->width);
 					if (!nameparam.empty())
 						cell->parameters[RTLIL::escape_id(nameparam)] = RTLIL::Const(RTLIL::id2cstr(wire->name));
-					cell->attributes["\\keep"] = RTLIL::Const(1);
+					cell->attributes[ID(keep)] = RTLIL::Const(1);
 				}
 
 				wire->port_id = 0;