void
tracer (unsigned int flags)
{
if (n_basic_blocks <= NUM_FIXED_BLOCKS + 1)
return;
cfg_layout_initialize (flags);
mark_dfs_back_edges ();
if (dump_file)
dump_flow_info (dump_file, dump_flags);
tail_duplicate ();
layout_superblocks ();
if (dump_file)
dump_flow_info (dump_file, dump_flags);
cfg_layout_finalize ();
/* Merge basic blocks in duplicated traces. */
cleanup_cfg (CLEANUP_EXPENSIVE);
}
void
tracer (void)
{
if (n_basic_blocks <= 1)
return;
timevar_push (TV_TRACER);
cfg_layout_initialize ();
mark_dfs_back_edges ();
if (rtl_dump_file)
dump_flow_info (rtl_dump_file);
tail_duplicate ();
layout_superblocks ();
if (rtl_dump_file)
dump_flow_info (rtl_dump_file);
cfg_layout_finalize ();
/* Merge basic blocks in duplicated traces. */
cleanup_cfg (CLEANUP_EXPENSIVE);
timevar_pop (TV_TRACER);
}