/* Top level of GCC compilers (cc1, cc1plus, etc.)
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GCC.
|| DECL_INITIAL (decl))
&& !DECL_EXTERNAL (decl))
{
- if (TREE_CODE (decl) != FUNCTION_DECL)
+ /* When reading LTO unit, we also read varpool, so do not
+ rebuild it. */
+ if (in_lto_p && !at_end)
+ ;
+ else if (TREE_CODE (decl) != FUNCTION_DECL)
varpool_finalize_decl (decl);
else
assemble_variable (decl, top_level, at_end, 0);
}
/* Let cgraph know about the existence of variables. */
- if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl))
+ if (in_lto_p && !at_end)
+ ;
+ else if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl))
varpool_node (decl);
}
void
register_pass (struct register_pass_info *pass_info)
{
+ bool all_instances, success;
+
/* The checks below could fail in buggy plugins. Existing GCC
passes should never fail these checks, so we mention plugin in
the messages. */
pass_info->pass->name);
/* Try to insert the new pass to the pass lists. We need to check
- all three lists as the reference pass could be in one (or all) of
+ all five lists as the reference pass could be in one (or all) of
them. */
- if (!position_pass (pass_info, &all_lowering_passes)
- && !position_pass (pass_info, &all_small_ipa_passes)
- && !position_pass (pass_info, &all_regular_ipa_passes)
- && !position_pass (pass_info, &all_lto_gen_passes)
- && !position_pass (pass_info, &all_passes))
+ all_instances = pass_info->ref_pass_instance_number == 0;
+ success = position_pass (pass_info, &all_lowering_passes);
+ if (!success || all_instances)
+ success |= position_pass (pass_info, &all_small_ipa_passes);
+ if (!success || all_instances)
+ success |= position_pass (pass_info, &all_regular_ipa_passes);
+ if (!success || all_instances)
+ success |= position_pass (pass_info, &all_lto_gen_passes);
+ if (!success || all_instances)
+ success |= position_pass (pass_info, &all_passes);
+ if (!success)
fatal_error
("pass %qs not found but is referenced by new pass %qs",
pass_info->reference_pass_name, pass_info->pass->name);
- else
+
+ /* OK, we have successfully inserted the new pass. We need to register
+ the dump files for the newly added pass and its duplicates (if any).
+ Because the registration of plugin/backend passes happens after the
+ command-line options are parsed, the options that specify single
+ pass dumping (e.g. -fdump-tree-PASSNAME) cannot be used for new
+ passes. Therefore we currently can only enable dumping of
+ new passes when the 'dump-all' flags (e.g. -fdump-tree-all)
+ are specified. While doing so, we also delete the pass_list_node
+ objects created during pass positioning. */
+ while (added_pass_nodes)
{
- /* OK, we have successfully inserted the new pass. We need to register
- the dump files for the newly added pass and its duplicates (if any).
- Because the registration of plugin/backend passes happens after the
- command-line options are parsed, the options that specify single
- pass dumping (e.g. -fdump-tree-PASSNAME) cannot be used for new
- passes. Therefore we currently can only enable dumping of
- new passes when the 'dump-all' flags (e.g. -fdump-tree-all)
- are specified. While doing so, we also delete the pass_list_node
- objects created during pass positioning. */
- while (added_pass_nodes)
- {
- struct pass_list_node *next_node = added_pass_nodes->next;
- enum tree_dump_index tdi;
- register_one_dump_file (added_pass_nodes->pass);
- if (added_pass_nodes->pass->type == SIMPLE_IPA_PASS
- || added_pass_nodes->pass->type == IPA_PASS)
- tdi = TDI_ipa_all;
- else if (added_pass_nodes->pass->type == GIMPLE_PASS)
- tdi = TDI_tree_all;
- else
- tdi = TDI_rtl_all;
- /* Check if dump-all flag is specified. */
- if (get_dump_file_info (tdi)->state)
- get_dump_file_info (added_pass_nodes->pass->static_pass_number)
- ->state = get_dump_file_info (tdi)->state;
- XDELETE (added_pass_nodes);
- added_pass_nodes = next_node;
- }
+ struct pass_list_node *next_node = added_pass_nodes->next;
+ enum tree_dump_index tdi;
+ register_one_dump_file (added_pass_nodes->pass);
+ if (added_pass_nodes->pass->type == SIMPLE_IPA_PASS
+ || added_pass_nodes->pass->type == IPA_PASS)
+ tdi = TDI_ipa_all;
+ else if (added_pass_nodes->pass->type == GIMPLE_PASS)
+ tdi = TDI_tree_all;
+ else
+ tdi = TDI_rtl_all;
+ /* Check if dump-all flag is specified. */
+ if (get_dump_file_info (tdi)->state)
+ get_dump_file_info (added_pass_nodes->pass->static_pass_number)
+ ->state = get_dump_file_info (tdi)->state;
+ XDELETE (added_pass_nodes);
+ added_pass_nodes = next_node;
}
}
/* Interprocedural optimization passes. */
p = &all_small_ipa_passes;
+ NEXT_PASS (pass_ipa_free_lang_data);
NEXT_PASS (pass_ipa_function_and_variable_visibility);
NEXT_PASS (pass_ipa_early_inline);
{
NEXT_PASS (pass_inline_parameters);
NEXT_PASS (pass_rebuild_cgraph_edges);
}
- NEXT_PASS (pass_ipa_free_lang_data);
NEXT_PASS (pass_early_local_passes);
{
struct opt_pass **p = &pass_early_local_passes.pass.sub;
p = &all_regular_ipa_passes;
NEXT_PASS (pass_ipa_whole_program_visibility);
+ NEXT_PASS (pass_ipa_profile);
NEXT_PASS (pass_ipa_cp);
NEXT_PASS (pass_ipa_inline);
NEXT_PASS (pass_ipa_reference);
p = &all_lto_gen_passes;
NEXT_PASS (pass_ipa_lto_gimple_out);
- NEXT_PASS (pass_ipa_lto_wpa_fixup);
NEXT_PASS (pass_ipa_lto_finish_out); /* This must be the last LTO pass. */
*p = NULL;
{
struct opt_pass **p = &pass_tree_loop.pass.sub;
NEXT_PASS (pass_tree_loop_init);
+ NEXT_PASS (pass_lim);
NEXT_PASS (pass_copy_prop);
NEXT_PASS (pass_dce_loop);
- NEXT_PASS (pass_lim);
NEXT_PASS (pass_tree_unswitch);
NEXT_PASS (pass_scev_cprop);
NEXT_PASS (pass_record_bounds);
NEXT_PASS (pass_graphite_transforms);
{
struct opt_pass **p = &pass_graphite_transforms.pass.sub;
+ NEXT_PASS (pass_copy_prop);
NEXT_PASS (pass_dce_loop);
NEXT_PASS (pass_lim);
}
NEXT_PASS (pass_forwprop);
NEXT_PASS (pass_phiopt);
NEXT_PASS (pass_fold_builtins);
+ NEXT_PASS (pass_optimize_widening_mul);
NEXT_PASS (pass_tail_calls);
NEXT_PASS (pass_rename_ssa_copies);
NEXT_PASS (pass_uncprop);
NEXT_PASS (pass_postreload_cse);
NEXT_PASS (pass_gcse2);
NEXT_PASS (pass_split_after_reload);
+ NEXT_PASS (pass_implicit_zee);
NEXT_PASS (pass_branch_target_load_optimize1);
NEXT_PASS (pass_thread_prologue_and_epilogue);
NEXT_PASS (pass_rtl_dse2);
}
#if defined ENABLE_CHECKING
- if (flags & TODO_verify_ssa)
+ if (flags & TODO_verify_ssa
+ || (current_loops && loops_state_satisfies_p (LOOP_CLOSED_SSA)))
verify_ssa (true);
if (flags & TODO_verify_flow)
verify_flow_info ();
if (flags & TODO_verify_stmts)
verify_stmts ();
- if (flags & TODO_verify_loops)
- verify_loop_closed_ssa ();
+ if (current_loops && loops_state_satisfies_p (LOOP_CLOSED_SSA))
+ verify_loop_closed_ssa (false);
if (flags & TODO_verify_rtl_sharing)
verify_rtl_sharing ();
#endif
if (dump_file && current_function_decl)
{
const char *dname, *aname;
+ struct cgraph_node *node = cgraph_node (current_function_decl);
dname = lang_hooks.decl_printable_name (current_function_decl, 2);
aname = (IDENTIFIER_POINTER
(DECL_ASSEMBLER_NAME (current_function_decl)));
fprintf (dump_file, "\n;; Function %s (%s)%s\n\n", dname, aname,
- cfun->function_frequency == FUNCTION_FREQUENCY_HOT
+ node->frequency == NODE_FREQUENCY_HOT
? " (hot)"
- : cfun->function_frequency == FUNCTION_FREQUENCY_UNLIKELY_EXECUTED
+ : node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED
? " (unlikely executed)"
+ : node->frequency == NODE_FREQUENCY_EXECUTED_ONCE
+ ? " (executed once)"
: "");
}
return initializing_dump;
void
execute_all_ipa_transforms (void)
{
+ enum cgraph_state old_state = cgraph_state;
struct cgraph_node *node;
if (!cfun)
return;
node = cgraph_node (current_function_decl);
+
+ /* Statement verification skip verification of nothorw when
+ state is IPA_SSA because we do not modify function bodies
+ after setting the flag on function. Instead we leave it
+ to fixup_cfg to do such a transformation. We need to temporarily
+ change the cgraph state so statement verifier before
+ transform do not fire. */
+ cgraph_state = CGRAPH_STATE_IPA_SSA;
+
if (node->ipa_transforms_to_apply)
{
unsigned int i;
VEC_free (ipa_opt_pass, heap, node->ipa_transforms_to_apply);
node->ipa_transforms_to_apply = NULL;
}
+ cgraph_state = old_state;
}
/* Execute PASS. */
static void
ipa_write_summaries_2 (struct opt_pass *pass, cgraph_node_set set,
+ varpool_node_set vset,
struct lto_out_decl_state *state)
{
while (pass)
if (pass->tv_id)
timevar_push (pass->tv_id);
- ipa_pass->write_summary (set);
+ ipa_pass->write_summary (set,vset);
/* If a timevar is present, start it. */
if (pass->tv_id)
}
if (pass->sub && pass->sub->type != GIMPLE_PASS)
- ipa_write_summaries_2 (pass->sub, set, state);
+ ipa_write_summaries_2 (pass->sub, set, vset, state);
pass = pass->next;
}
summaries. SET is the set of nodes to be written. */
static void
-ipa_write_summaries_1 (cgraph_node_set set)
+ipa_write_summaries_1 (cgraph_node_set set, varpool_node_set vset)
{
struct lto_out_decl_state *state = lto_new_out_decl_state ();
+ compute_ltrans_boundary (state, set, vset);
+
lto_push_out_decl_state (state);
- if (!flag_wpa)
- ipa_write_summaries_2 (all_regular_ipa_passes, set, state);
- ipa_write_summaries_2 (all_lto_gen_passes, set, state);
+ gcc_assert (!flag_wpa);
+ ipa_write_summaries_2 (all_regular_ipa_passes, set, vset, state);
+ ipa_write_summaries_2 (all_lto_gen_passes, set, vset, state);
gcc_assert (lto_get_out_decl_state () == state);
lto_pop_out_decl_state ();
ipa_write_summaries (void)
{
cgraph_node_set set;
+ varpool_node_set vset;
struct cgraph_node **order;
+ struct varpool_node *vnode;
int i, order_pos;
if (!flag_generate_lto || errorcount || sorrycount)
return;
- lto_new_extern_inline_states ();
set = cgraph_node_set_new ();
/* Create the callgraph set in the same order used in
renumber_gimple_stmt_uids ();
pop_cfun ();
}
- cgraph_node_set_add (set, node);
+ if (node->analyzed)
+ cgraph_node_set_add (set, node);
}
+ vset = varpool_node_set_new ();
- ipa_write_summaries_1 (set);
- lto_delete_extern_inline_states ();
+ for (vnode = varpool_nodes; vnode; vnode = vnode->next)
+ if (vnode->needed && !vnode->alias)
+ varpool_node_set_add (vset, vnode);
+
+ ipa_write_summaries_1 (set, vset);
free (order);
ggc_free (set);
+ ggc_free (vset);
}
+/* Same as execute_pass_list but assume that subpasses of IPA passes
+ are local passes. If SET is not NULL, write out optimization summaries of
+ only those node in SET. */
+
+static void
+ipa_write_optimization_summaries_1 (struct opt_pass *pass, cgraph_node_set set,
+ varpool_node_set vset,
+ struct lto_out_decl_state *state)
+{
+ while (pass)
+ {
+ struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *)pass;
+ gcc_assert (!current_function_decl);
+ gcc_assert (!cfun);
+ gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS);
+ if (pass->type == IPA_PASS
+ && ipa_pass->write_optimization_summary
+ && (!pass->gate || pass->gate ()))
+ {
+ /* If a timevar is present, start it. */
+ if (pass->tv_id)
+ timevar_push (pass->tv_id);
+
+ ipa_pass->write_optimization_summary (set, vset);
-/* Write all the summaries for the cgraph nodes in SET. If SET is
+ /* If a timevar is present, start it. */
+ if (pass->tv_id)
+ timevar_pop (pass->tv_id);
+ }
+
+ if (pass->sub && pass->sub->type != GIMPLE_PASS)
+ ipa_write_optimization_summaries_1 (pass->sub, set, vset, state);
+
+ pass = pass->next;
+ }
+}
+
+/* Write all the optimization summaries for the cgraph nodes in SET. If SET is
NULL, write out all summaries of all nodes. */
void
-ipa_write_summaries_of_cgraph_node_set (cgraph_node_set set)
+ipa_write_optimization_summaries (cgraph_node_set set, varpool_node_set vset)
{
- if (flag_generate_lto && !(errorcount || sorrycount))
- ipa_write_summaries_1 (set);
+ struct lto_out_decl_state *state = lto_new_out_decl_state ();
+ compute_ltrans_boundary (state, set, vset);
+
+ lto_push_out_decl_state (state);
+
+ gcc_assert (flag_wpa);
+ ipa_write_optimization_summaries_1 (all_regular_ipa_passes, set, vset, state);
+ ipa_write_optimization_summaries_1 (all_lto_gen_passes, set, vset, state);
+
+ gcc_assert (lto_get_out_decl_state () == state);
+ lto_pop_out_decl_state ();
+ lto_delete_out_decl_state (state);
}
/* Same as execute_pass_list but assume that subpasses of IPA passes
void
ipa_read_summaries (void)
{
- if (!flag_ltrans)
- ipa_read_summaries_1 (all_regular_ipa_passes);
+ ipa_read_summaries_1 (all_regular_ipa_passes);
ipa_read_summaries_1 (all_lto_gen_passes);
}
/* Same as execute_pass_list but assume that subpasses of IPA passes
are local passes. */
+
+static void
+ipa_read_optimization_summaries_1 (struct opt_pass *pass)
+{
+ while (pass)
+ {
+ struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *) pass;
+
+ gcc_assert (!current_function_decl);
+ gcc_assert (!cfun);
+ gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS);
+
+ if (pass->gate == NULL || pass->gate ())
+ {
+ if (pass->type == IPA_PASS && ipa_pass->read_optimization_summary)
+ {
+ /* If a timevar is present, start it. */
+ if (pass->tv_id)
+ timevar_push (pass->tv_id);
+
+ ipa_pass->read_optimization_summary ();
+
+ /* Stop timevar. */
+ if (pass->tv_id)
+ timevar_pop (pass->tv_id);
+ }
+
+ if (pass->sub && pass->sub->type != GIMPLE_PASS)
+ ipa_read_optimization_summaries_1 (pass->sub);
+ }
+ pass = pass->next;
+ }
+}
+
+/* Read all the summaries for all_regular_ipa_passes and all_lto_gen_passes. */
+
+void
+ipa_read_optimization_summaries (void)
+{
+ ipa_read_optimization_summaries_1 (all_regular_ipa_passes);
+ ipa_read_optimization_summaries_1 (all_lto_gen_passes);
+}
+
+/* Same as execute_pass_list but assume that subpasses of IPA passes
+ are local passes. */
void
execute_ipa_pass_list (struct opt_pass *pass)
{
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