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/* 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;
}
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