static void cgraph_mark_functions_to_output (void);
static void cgraph_expand_function (struct cgraph_node *);
static void cgraph_output_pending_asms (void);
-static void cgraph_optimize (void);
static void cgraph_analyze_function (struct cgraph_node *);
static FILE *cgraph_dump_file;
either outside this translation unit, something magic in the system
configury. */
-static bool
-decide_is_function_needed (struct cgraph_node *node, tree decl)
+bool
+cgraph_decide_is_function_needed (struct cgraph_node *node, tree decl)
{
- if (MAIN_NAME_P (DECL_NAME (decl))
- && TREE_PUBLIC (decl))
- {
- node->local.externally_visible = true;
- return true;
- }
-
/* If the user told us it is used, then it must be so. */
if (node->local.externally_visible)
return true;
|| (!optimize && !node->local.disregard_inline_limits
&& !DECL_DECLARED_INLINE_P (decl)
&& !node->origin))
- && !flag_whole_program)
+ && !flag_whole_program
+ && !flag_lto
+ && !flag_whopr)
&& !DECL_COMDAT (decl) && !DECL_EXTERNAL (decl))
return true;
node->finalized_by_frontend = true;
record_cdtor_fn (node->decl);
- if (decide_is_function_needed (node, decl))
+ if (cgraph_decide_is_function_needed (node, decl))
cgraph_mark_needed_node (node);
/* Since we reclaim unreachable nodes at the end of every language
cgraph_mark_if_needed (tree decl)
{
struct cgraph_node *node = cgraph_node (decl);
- if (node->local.finalized && decide_is_function_needed (node, decl))
+ if (node->local.finalized && cgraph_decide_is_function_needed (node, decl))
cgraph_mark_needed_node (node);
}
error ("Execution count is negative");
error_found = true;
}
+ if (node->global.inlined_to && node->local.externally_visible)
+ {
+ error ("Externally visible inline clone");
+ error_found = true;
+ }
+ if (node->global.inlined_to && node->address_taken)
+ {
+ error ("Inline clone with address taken");
+ error_found = true;
+ }
+ if (node->global.inlined_to && node->needed)
+ {
+ error ("Inline clone is needed");
+ error_found = true;
+ }
for (e = node->callers; e; e = e->next_caller)
{
if (e->count < 0)
error ("caller edge frequency is too large");
error_found = true;
}
+ if (gimple_has_body_p (e->caller->decl)
+ && !e->caller->global.inlined_to
+ && (e->frequency
+ != compute_call_stmt_bb_frequency (e->caller->decl,
+ gimple_bb (e->call_stmt))))
+ {
+ error ("caller edge frequency %i does not match BB freqency %i",
+ e->frequency,
+ compute_call_stmt_bb_frequency (e->caller->decl,
+ gimple_bb (e->call_stmt)));
+ error_found = true;
+ }
if (!e->inline_failed)
{
if (node->global.inlined_to
if (node->analyzed && gimple_has_body_p (node->decl)
&& !TREE_ASM_WRITTEN (node->decl)
- && (!DECL_EXTERNAL (node->decl) || node->global.inlined_to))
+ && (!DECL_EXTERNAL (node->decl) || node->global.inlined_to)
+ && !flag_wpa)
{
if (this_cfun->cfg)
{
warning_at (DECL_SOURCE_LOCATION (node->decl), OPT_Wattributes,
"%<externally_visible%>"
" attribute have effect only on public objects");
- else
- {
- if (node->local.finalized)
- cgraph_mark_needed_node (node);
- node->local.externally_visible = true;
- }
+ else if (node->local.finalized)
+ cgraph_mark_needed_node (node);
}
}
for (vnode = varpool_nodes; vnode != first_var; vnode = vnode->next)
if (lookup_attribute ("used", DECL_ATTRIBUTES (decl)))
{
mark_decl_referenced (decl);
+ vnode->force_output = true;
if (vnode->finalized)
varpool_mark_needed_node (vnode);
}
warning_at (DECL_SOURCE_LOCATION (vnode->decl), OPT_Wattributes,
"%<externally_visible%>"
" attribute have effect only on public objects");
- else
- {
- if (vnode->finalized)
- varpool_mark_needed_node (vnode);
- vnode->externally_visible = true;
- }
+ else if (vnode->finalized)
+ varpool_mark_needed_node (vnode);
}
}
}
continue;
}
- gcc_assert (!node->analyzed && node->reachable);
- cgraph_analyze_function (node);
+ if (!node->analyzed)
+ cgraph_analyze_function (node);
for (edge = node->callees; edge; edge = edge->next_callee)
if (!edge->callee->reachable)
static void
cgraph_emit_thunks (void)
{
- struct cgraph_node *n;
+ struct cgraph_node *n, *alias;
for (n = cgraph_nodes; n; n = n->next)
{
cgraph_mark_functions_to_output in cgraph_optimize). */
if (n->reachable
&& !DECL_EXTERNAL (n->decl))
- lang_hooks.callgraph.emit_associated_thunks (n->decl);
+ {
+ lang_hooks.callgraph.emit_associated_thunks (n->decl);
+ for (alias = n->same_body; alias; alias = alias->next)
+ if (!DECL_EXTERNAL (alias->decl))
+ lang_hooks.callgraph.emit_associated_thunks (alias->decl);
+ }
}
}
/* Make sure that BE didn't give up on compiling. */
gcc_assert (TREE_ASM_WRITTEN (decl));
current_function_decl = NULL;
+ if (node->same_body)
+ {
+ struct cgraph_node *alias;
+ bool saved_alias = node->alias;
+ for (alias = node->same_body; alias; alias = alias->next)
+ assemble_alias (alias->decl, DECL_ASSEMBLER_NAME (decl));
+ node->alias = saved_alias;
+ }
gcc_assert (!cgraph_preserve_function_body_p (decl));
cgraph_release_function_body (node);
/* Eliminate all call edges. This is important so the GIMPLE_CALL no longer
current_function_decl = NULL;
gimple_register_cfg_hooks ();
bitmap_obstack_initialize (NULL);
- execute_ipa_pass_list (all_ipa_passes);
- /* Generate coverage variables and constructors. */
- coverage_finish ();
+ if (!in_lto_p)
+ execute_ipa_pass_list (all_small_ipa_passes);
- /* Process new functions added. */
- set_cfun (NULL);
- current_function_decl = NULL;
- cgraph_process_new_functions ();
+ /* If pass_all_early_optimizations was not scheduled, the state of
+ the cgraph will not be properly updated. Update it now. */
+ if (cgraph_state < CGRAPH_STATE_IPA_SSA)
+ cgraph_state = CGRAPH_STATE_IPA_SSA;
+
+ if (!in_lto_p)
+ {
+ /* Generate coverage variables and constructors. */
+ coverage_finish ();
+
+ /* Process new functions added. */
+ set_cfun (NULL);
+ current_function_decl = NULL;
+ cgraph_process_new_functions ();
+
+ execute_ipa_summary_passes ((struct ipa_opt_pass_d *) all_regular_ipa_passes);
+ }
+ execute_ipa_summary_passes ((struct ipa_opt_pass_d *) all_lto_gen_passes);
+
+ if (!in_lto_p)
+ ipa_write_summaries ();
+
+ if (!flag_ltrans)
+ execute_ipa_pass_list (all_regular_ipa_passes);
bitmap_obstack_release (NULL);
}
/* Perform simple optimizations based on callgraph. */
-static void
+void
cgraph_optimize (void)
{
if (errorcount || sorrycount)
/* Do nothing else if any IPA pass found errors. */
if (errorcount || sorrycount)
- return;
+ {
+ timevar_pop (TV_CGRAPHOPT);
+ return;
+ }
/* This pass remove bodies of extern inline functions we never inlined.
Do this later so other IPA passes see what is really going on. */
timevar_pop (TV_CGRAPHOPT);
/* Output everything. */
+ (*debug_hooks->assembly_start) ();
if (!quiet_flag)
fprintf (stderr, "Assembling functions:\n");
#ifdef ENABLE_CHECKING
also cloned. */
for (e = old_version->callees;e; e=e->next_callee)
{
- new_e = cgraph_clone_edge (e, new_version, e->call_stmt, 0, e->frequency,
+ new_e = cgraph_clone_edge (e, new_version, e->call_stmt,
+ e->lto_stmt_uid, 0, e->frequency,
e->loop_nest, true);
new_e->count = e->count;
}
TREE_PUBLIC (first_clone->decl) = 0;
DECL_COMDAT (first_clone->decl) = 0;
VEC_free (ipa_opt_pass, heap,
- DECL_STRUCT_FUNCTION (first_clone->decl)->ipa_transforms_to_apply);
- DECL_STRUCT_FUNCTION (first_clone->decl)->ipa_transforms_to_apply = NULL;
+ first_clone->ipa_transforms_to_apply);
+ first_clone->ipa_transforms_to_apply = NULL;
#ifdef ENABLE_CHECKING
verify_cgraph_node (first_clone);
node->clone_of->clones = node->next_sibling_clone;
node->next_sibling_clone = NULL;
node->prev_sibling_clone = NULL;
+ if (!node->clone_of->analyzed && !node->clone_of->clones)
+ cgraph_remove_node (node->clone_of);
node->clone_of = NULL;
bitmap_obstack_release (NULL);
}
{
gimple new_stmt;
gimple_stmt_iterator gsi;
-
+
+ if (e->callee->same_body)
+ {
+ struct cgraph_node *alias;
+
+ for (alias = e->callee->same_body;
+ alias;
+ alias = alias->next)
+ if (decl == alias->decl)
+ break;
+ /* Don't update call from same body alias to the real
+ function. */
+ if (alias)
+ continue;
+ }
+
if (cgraph_dump_file)
{
fprintf (cgraph_dump_file, "updating call of %s in %s:",
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