static unsigned int
tracer (void)
{
bool changed;
if (n_basic_blocks <= NUM_FIXED_BLOCKS + 1)
return 0;
mark_dfs_back_edges ();
if (dump_file)
brief_dump_cfg (dump_file, dump_flags);
/* Trace formation is done on the fly inside tail_duplicate */
changed = tail_duplicate ();
if (changed)
{
free_dominance_info (CDI_DOMINATORS);
/* If we changed the CFG schedule loops for fixup by cleanup_cfg. */
if (current_loops)
loops_state_set (LOOPS_NEED_FIXUP);
}
if (dump_file)
brief_dump_cfg (dump_file, dump_flags);
return changed ? TODO_cleanup_cfg : 0;
}
static unsigned int
tracer (void)
{
bool changed;
if (n_basic_blocks <= NUM_FIXED_BLOCKS + 1)
return 0;
mark_dfs_back_edges ();
if (dump_file)
brief_dump_cfg (dump_file, dump_flags);
/* Trace formation is done on the fly inside tail_duplicate */
changed = tail_duplicate ();
if (changed)
{
free_dominance_info (CDI_DOMINATORS);
calculate_dominance_info (CDI_DOMINATORS);
if (current_loops)
fix_loop_structure (NULL);
}
if (dump_file)
brief_dump_cfg (dump_file, dump_flags);
return changed ? TODO_cleanup_cfg : 0;
}
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);
}
static unsigned int
tracer (void)
{
gcc_assert (current_ir_type () == IR_GIMPLE);
if (n_basic_blocks <= NUM_FIXED_BLOCKS + 1)
return 0;
mark_dfs_back_edges ();
if (dump_file)
dump_flow_info (dump_file, dump_flags);
/* Trace formation is done on the fly inside tail_duplicate */
tail_duplicate ();
/* FIXME: We really only need to do this when we know tail duplication
has altered the CFG. */
free_dominance_info (CDI_DOMINATORS);
if (dump_file)
dump_flow_info (dump_file, dump_flags);
return 0;
}
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);
}