1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/plugin/one_time_plugin.c b/gcc/testsuite/gcc.dg/plugin/one_time_plugin.c
new file mode 100644
index 000000000..2c4cd4971
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/plugin/one_time_plugin.c
@@ -0,0 +1,63 @@
+/* Plugin that prints message if it inserted (and invoked) more than once. */
+#include "config.h"
+#include "gcc-plugin.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "toplev.h"
+#include "gimple.h"
+#include "tree-pass.h"
+#include "intl.h"
+
+int plugin_is_GPL_compatible;
+
+static bool one_pass_gate (void)
+{
+  return true;
+}
+
+static unsigned int one_pass_exec (void)
+{
+  static int counter = 0;
+
+  if (counter > 0) {
+    printf ("Executed more than once \n");
+ }
+ counter++;
+ return 0;
+}
+
+struct gimple_opt_pass one_pass = 
+{
+  {
+  GIMPLE_PASS,
+  "cfg",                           /* name */
+  one_pass_gate,                         /* gate */
+  one_pass_exec,       /* execute */
+  NULL,                                 /* sub */
+  NULL,                                 /* next */
+  0,                                    /* static_pass_number */
+  TV_NONE,                              /* tv_id */
+  PROP_gimple_any,                      /* properties_required */
+  0,                                    /* properties_provided */
+  0,                                    /* properties_destroyed */
+  0,                                    /* todo_flags_start */
+  TODO_dump_func                        /* todo_flags_finish */
+  }
+};
+
+
+int plugin_init (struct plugin_name_args *plugin_info,
+                 struct plugin_gcc_version *version)
+{
+  struct register_pass_info p;
+
+  p.pass = &one_pass.pass;
+  p.reference_pass_name = "cfg";
+  p.ref_pass_instance_number = 1;
+  p.pos_op = PASS_POS_INSERT_AFTER;
+
+  register_callback ("one_pass", PLUGIN_PASS_MANAGER_SETUP, NULL, &p);
+
+  return 0;
+}