#include "flags.h"
#include "cgraph.h"
#include "tree-inline.h"
-#include "tree-mudflap.h"
#include "tree-pass.h"
#include "ggc.h"
#include "cgraph.h"
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_NONE, /* tv_id */
+ TV_OPTIMIZE, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_NONE, /* tv_id */
+ TV_EARLY_LOCAL, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
}
};
-/* Pass: cleanup the CFG just before expanding trees to RTL.
- This is just a round of label cleanups and case node grouping
- because after the tree optimizers have run such cleanups may
- be necessary. */
-
-static unsigned int
-execute_cleanup_cfg_pre_ipa (void)
-{
- cleanup_tree_cfg ();
- return 0;
-}
-
-struct gimple_opt_pass pass_cleanup_cfg =
-{
- {
- GIMPLE_PASS,
- "cleanup_cfg", /* name */
- NULL, /* gate */
- execute_cleanup_cfg_pre_ipa, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_NONE, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_dump_func /* todo_flags_finish */
- }
-};
-
/* Pass: cleanup the CFG just before expanding trees to RTL.
This is just a round of label cleanups and case node grouping
static unsigned int
execute_cleanup_cfg_post_optimizing (void)
{
- fold_cond_expr_cond ();
- cleanup_tree_cfg ();
+ unsigned int todo = 0;
+ if (cleanup_tree_cfg ())
+ todo |= TODO_update_ssa;
+ maybe_remove_unreachable_handlers ();
cleanup_dead_labels ();
group_case_labels ();
if ((flag_compare_debug_opt || flag_compare_debug)
}
}
}
- return 0;
+ return todo;
}
struct gimple_opt_pass pass_cleanup_cfg_post_optimizing =
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
- TV_NONE, /* tv_id */
+ TV_TREE_CLEANUP_CFG, /* tv_id */
PROP_cfg, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func /* todo_flags_finish */
- | TODO_remove_unused_locals
+ TODO_remove_unused_locals /* todo_flags_finish */
}
};
return 0;
}
-/* Pass: fixup_cfg. IPA passes, compilation of earlier functions or inlining
+/* IPA passes, compilation of earlier functions or inlining
might have changed some properties, such as marked functions nothrow,
pure, const or noreturn.
Remove redundant edges and basic blocks, and create new ones if necessary.
edge_iterator ei;
if (ENTRY_BLOCK_PTR->count)
- count_scale = (cgraph_node (current_function_decl)->count * REG_BR_PROB_BASE
- + ENTRY_BLOCK_PTR->count / 2) / ENTRY_BLOCK_PTR->count;
+ count_scale = ((cgraph_get_node (current_function_decl)->count
+ * REG_BR_PROB_BASE + ENTRY_BLOCK_PTR->count / 2)
+ / ENTRY_BLOCK_PTR->count);
else
count_scale = REG_BR_PROB_BASE;
- ENTRY_BLOCK_PTR->count = cgraph_node (current_function_decl)->count;
+ ENTRY_BLOCK_PTR->count = cgraph_get_node (current_function_decl)->count;
EXIT_BLOCK_PTR->count = (EXIT_BLOCK_PTR->count * count_scale
+ REG_BR_PROB_BASE / 2) / REG_BR_PROB_BASE;
+ FOR_EACH_EDGE (e, ei, ENTRY_BLOCK_PTR->succs)
+ e->count = (e->count * count_scale
+ + REG_BR_PROB_BASE / 2) / REG_BR_PROB_BASE;
+
FOR_EACH_BB (bb)
{
bb->count = (bb->count * count_scale
int flags = gimple_call_flags (stmt);
if (flags & (ECF_CONST | ECF_PURE | ECF_LOOPING_CONST_OR_PURE))
{
+ if (gimple_purge_dead_abnormal_call_edges (bb))
+ todo |= TODO_cleanup_cfg;
+
if (gimple_in_ssa_p (cfun))
{
todo |= TODO_update_ssa | TODO_cleanup_cfg;
- mark_symbols_for_renaming (stmt);
update_stmt (stmt);
}
}
-
+
if (flags & ECF_NORETURN
&& fixup_noreturn_call (stmt))
todo |= TODO_cleanup_cfg;
}
- maybe_clean_eh_stmt (stmt);
+ if (maybe_clean_eh_stmt (stmt)
+ && gimple_purge_dead_eh_edges (bb))
+ todo |= TODO_cleanup_cfg;
}
- if (gimple_purge_dead_eh_edges (bb))
- todo |= TODO_cleanup_cfg;
FOR_EACH_EDGE (e, ei, bb->succs)
e->count = (e->count * count_scale
+ REG_BR_PROB_BASE / 2) / REG_BR_PROB_BASE;
{
location_t saved_loc;
- timevar_push (TV_EXPAND);
+ timevar_push (TV_REST_OF_COMPILATION);
gcc_assert (cgraph_global_info_ready);
input_location = DECL_SOURCE_LOCATION (fndecl);
init_function_start (fndecl);
- /* Even though we're inside a function body, we still don't want to
- call expand_expr to calculate the size of a variable-sized array.
- We haven't necessarily assigned RTL to all variables yet, so it's
- not safe to try to expand expressions involving them. */
- cfun->dont_save_pending_sizes_p = 1;
-
gimple_register_cfg_hooks ();
bitmap_obstack_initialize (®_obstack); /* FIXME, only at RTL generation*/
gimple_set_body (fndecl, NULL);
if (DECL_STRUCT_FUNCTION (fndecl) == 0
- && !cgraph_node (fndecl)->origin)
+ && !cgraph_get_node (fndecl)->origin)
{
/* Stop pointing to the local nodes about to be freed.
But DECL_INITIAL must remain nonzero so we know this
input_location = saved_loc;
ggc_collect ();
- timevar_pop (TV_EXPAND);
+ timevar_pop (TV_REST_OF_COMPILATION);
}