diff --git a/test_regress/t/t_var_pins_scui.pl b/test_regress/t/t_var_pins_scui.pl
new file mode 100755
index 000000000..0da7d2519
--- /dev/null
+++ b/test_regress/t/t_var_pins_scui.pl
@@ -0,0 +1,34 @@
+#!/usr/bin/perl
+if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# Copyright 2003 by Wilson Snyder. This program is free software; you can
+# redistribute it and/or modify it under the terms of either the GNU
+# Lesser General Public License Version 3 or the Perl Artistic License
+# Version 2.0.
+
+top_filename("t/t_var_pinsizes.v");
+
+compile (
+	 v_flags2 => ["--trace -sp -pins-uint8 --exe $Self->{t_dir}/t_var_pinsizes.cpp"],
+	 make_main => 0,
+	 ) if $Self->{v3};
+
+if ($Self->{v3}) {
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_in<bool> \s+ i1;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_in<uint8_t> \s+ i8;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_in<uint16_t> \s+ i16;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_in<uint32_t> \s+ i32;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_in<uint64_t> \s+ i64;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_in<sc_bv<65>\s> \s+ i65;/x);
+
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_out<bool> \s+ o1;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_out<uint8_t> \s+ o8;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_out<uint16_t> \s+ o16;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_out<uint32_t> \s+ o32;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_out<uint64_t> \s+ o64;/x);
+    file_grep ("$Self->{obj_dir}/$Self->{VM_PREFIX}.sp", qr/sc_out<sc_bv<65>\s> \s+ o65;/x);
+}
+
+ok(1);
+1;