1 files changed, 23 insertions, 23 deletions

diff --git a/passes/techmap/tribuf.cc b/passes/techmap/tribuf.cc
index 587cb9038..509a9198b 100644
--- a/passes/techmap/tribuf.cc
+++ b/passes/techmap/tribuf.cc
@@ -63,38 +63,38 @@ struct TribufWorker {
 
 		for (auto cell : module->selected_cells())
 		{
-			if (cell->type == "$tribuf")
-				tribuf_cells[sigmap(cell->getPort("\\Y"))].push_back(cell);
+			if (cell->type == ID($tribuf))
+				tribuf_cells[sigmap(cell->getPort(ID(Y)))].push_back(cell);
 
-			if (cell->type == "$_TBUF_")
-				tribuf_cells[sigmap(cell->getPort("\\Y"))].push_back(cell);
+			if (cell->type == ID($_TBUF_))
+				tribuf_cells[sigmap(cell->getPort(ID(Y)))].push_back(cell);
 
-			if (cell->type.in("$mux", "$_MUX_"))
+			if (cell->type.in(ID($mux), ID($_MUX_)))
 			{
-				IdString en_port = cell->type == "$mux" ? "\\EN" : "\\E";
-				IdString tri_type = cell->type == "$mux" ? "$tribuf" : "$_TBUF_";
+				IdString en_port = cell->type == ID($mux) ? ID(EN) : ID(E);
+				IdString tri_type = cell->type == ID($mux) ? ID($tribuf) : ID($_TBUF_);
 
-				if (is_all_z(cell->getPort("\\A")) && is_all_z(cell->getPort("\\B"))) {
+				if (is_all_z(cell->getPort(ID(A))) && is_all_z(cell->getPort(ID(B)))) {
 					module->remove(cell);
 					continue;
 				}
 
-				if (is_all_z(cell->getPort("\\A"))) {
-					cell->setPort("\\A", cell->getPort("\\B"));
-					cell->setPort(en_port, cell->getPort("\\S"));
-					cell->unsetPort("\\B");
-					cell->unsetPort("\\S");
+				if (is_all_z(cell->getPort(ID(A)))) {
+					cell->setPort(ID(A), cell->getPort(ID(B)));
+					cell->setPort(en_port, cell->getPort(ID(S)));
+					cell->unsetPort(ID(B));
+					cell->unsetPort(ID(S));
 					cell->type = tri_type;
-					tribuf_cells[sigmap(cell->getPort("\\Y"))].push_back(cell);
+					tribuf_cells[sigmap(cell->getPort(ID(Y)))].push_back(cell);
 					continue;
 				}
 
-				if (is_all_z(cell->getPort("\\B"))) {
-					cell->setPort(en_port, module->Not(NEW_ID, cell->getPort("\\S")));
-					cell->unsetPort("\\B");
-					cell->unsetPort("\\S");
+				if (is_all_z(cell->getPort(ID(B)))) {
+					cell->setPort(en_port, module->Not(NEW_ID, cell->getPort(ID(S))));
+					cell->unsetPort(ID(B));
+					cell->unsetPort(ID(S));
 					cell->type = tri_type;
-					tribuf_cells[sigmap(cell->getPort("\\Y"))].push_back(cell);
+					tribuf_cells[sigmap(cell->getPort(ID(Y)))].push_back(cell);
 					continue;
 				}
 			}
@@ -118,11 +118,11 @@ struct TribufWorker {
 
 				SigSpec pmux_b, pmux_s;
 				for (auto cell : it.second) {
-					if (cell->type == "$tribuf")
-						pmux_s.append(cell->getPort("\\EN"));
+					if (cell->type == ID($tribuf))
+						pmux_s.append(cell->getPort(ID(EN)));
 					else
-						pmux_s.append(cell->getPort("\\E"));
-					pmux_b.append(cell->getPort("\\A"));
+						pmux_s.append(cell->getPort(ID(E)));
+					pmux_b.append(cell->getPort(ID(A)));
 					module->remove(cell);
 				}