| /* 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 */ |
| OPTGROUP_NONE, /* optinfo_flags */ |
| 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 */ |
| 0 /* 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; |
| } |