3 files changed, 99 insertions, 0 deletions
diff --git a/testsuite/gna/issue1228/test_load.vhdl b/testsuite/gna/issue1228/test_load.vhdl
new file mode 100644
index 000000000..dcfc0d7ce
--- /dev/null
+++ b/testsuite/gna/issue1228/test_load.vhdl
@@ -0,0 +1,29 @@
+library ieee ;
+use ieee.std_logic_1164.all;
+
+entity test_load is
+end test_load;
+
+architecture RTL of test_load is
+  signal w        :   std_ulogic_vector(0 to 47);
+  signal \extend.id\ : std_ulogic := 'H';
+  signal clk : std_logic;
+begin
+  process
+  begin
+    for i in 1 to 10 loop
+      clk <= '0';
+      wait for 1 ns;
+      clk <= '1';
+      wait for 1 ns;
+    end loop;
+    wait;
+  end process;
+  
+  process(clk)
+  begin
+    if (clk'event and clk = '1') then
+      w <= not w;
+    end if;
+  end process;
+end RTL;
diff --git a/testsuite/gna/issue1228/testsuite.sh b/testsuite/gna/issue1228/testsuite.sh
new file mode 100755
index 000000000..8f6ae63f1
--- /dev/null
+++ b/testsuite/gna/issue1228/testsuite.sh
@@ -0,0 +1,24 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+analyze test_load.vhdl
+elab test_load
+
+if ghdl_has_feature test_load vpi; then
+  if [ "$OS" = "Windows_NT" ]; then
+      vpi_lib=`$GHDL --vpi-library-dir | sed -e 's!\\\\!/!g' -e 's!^C:!/C!g'`
+      echo vpi_lib: $vpi_lib
+      PATH="$PATH:$vpi_lib"
+  fi
+
+  $GHDL --vpi-compile -v gcc -c vpi1.c
+  $GHDL --vpi-link -v gcc -o vpi1.vpi vpi1.o
+
+  simulate test_load --vpi=./vpi1.vpi
+
+  rm -f vpi1.vpi vpi1.o
+fi
+clean
+
+echo "Test successful"
diff --git a/testsuite/gna/issue1228/vpi1.c b/testsuite/gna/issue1228/vpi1.c
new file mode 100644
index 000000000..5b33087c0
--- /dev/null
+++ b/testsuite/gna/issue1228/vpi1.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <vpi_user.h>
+
+static void
+show_value (const char *name)
+{
+  vpiHandle net;
+  s_vpi_value val;
+
+  net = vpi_handle_by_name ((char *)name, NULL);
+  if (net == NULL)
+    {
+      printf ("cannot get net: %s\n", name);
+      exit(1);
+      return;
+    }
+  val.format = vpiBinStrVal;
+  vpi_get_value (net, &val);
+  printf ("%s= %s\n", name, val.value.str);
+}
+
+static PLI_INT32
+vpi_proc (struct t_cb_data *cb)
+{
+  show_value ("test_load.w");
+  show_value ("test_load.\\extend.id\\");
+  return 0;
+}
+
+static void my_handle_register(void)
+{
+  s_cb_data cb;
+
+  cb.reason = cbEndOfCompile;
+  cb.cb_rtn = &vpi_proc;
+  cb.user_data = NULL;
+  if (vpi_register_cb (&cb) == NULL)
+    vpi_printf ("cannot register EndOfCompile call back\n");
+}
+
+void (*vlog_startup_routines[]) () =
+{
+  my_handle_register,
+  0
+};