3 files changed, 14 insertions, 8 deletions

diff --git a/kernel/consteval.h b/kernel/consteval.h
index 4050d2dc..3a5c5347 100644
--- a/kernel/consteval.h
+++ b/kernel/consteval.h
@@ -87,21 +87,21 @@ struct ConstEval
 	{
 		RTLIL::SigSpec sig_a, sig_b, sig_s, sig_y;
 
-		assert(cell->connections().count("\\Y") > 0);
+		assert(cell->has("\\Y"));
 		sig_y = values_map(assign_map(cell->get("\\Y")));
 		if (sig_y.is_fully_const())
 			return true;
 
-		if (cell->connections().count("\\S") > 0) {
+		if (cell->has("\\S")) {
 			sig_s = cell->get("\\S");
 			if (!eval(sig_s, undef, cell))
 				return false;
 		}
 
-		if (cell->connections().count("\\A") > 0)
+		if (cell->has("\\A"))
 			sig_a = cell->get("\\A");
 
-		if (cell->connections().count("\\B") > 0)
+		if (cell->has("\\B"))
 			sig_b = cell->get("\\B");
 
 		if (cell->type == "$mux" || cell->type == "$pmux" || cell->type == "$safe_pmux" || cell->type == "$_MUX_")
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index ceb2b0f5..059357d2 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -348,9 +348,9 @@ namespace {
 
 		void port(const char *name, int width)
 		{
-			if (cell->connections().count(name) == 0)
+			if (!cell->has(name))
 				error(__LINE__);
-			if (cell->connections().at(name).size() != width)
+			if (cell->get(name).size() != width)
 				error(__LINE__);
 			expected_ports.insert(name);
 		}
@@ -379,9 +379,9 @@ namespace {
 
 			for (const char *p = ports; *p; p++) {
 				char portname[3] = { '\\', *p, 0 };
-				if (cell->connections().count(portname) == 0)
+				if (!cell->has(portname))
 					error(__LINE__);
-				if (cell->connections().at(portname).size() != 1)
+				if (cell->get(portname).size() != 1)
 					error(__LINE__);
 			}
 
@@ -1340,6 +1340,11 @@ RTLIL::Memory::Memory()
 	size = 0;
 }
 
+bool RTLIL::Cell::has(RTLIL::IdString portname)
+{
+	return connections_.count(portname) != 0;
+}
+
 void RTLIL::Cell::unset(RTLIL::IdString portname)
 {
 	connections_.erase(portname);
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 25d0a830..73d3727c 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -488,6 +488,7 @@ public:
 	RTLIL_ATTRIBUTE_MEMBERS
 
 	// access cell ports
+	bool has(RTLIL::IdString portname);
 	void unset(RTLIL::IdString portname);
 	void set(RTLIL::IdString portname, RTLIL::SigSpec signal);
 	const RTLIL::SigSpec &get(RTLIL::IdString portname) const;