/* Callgraph handling code.
- Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ Copyright (C) 2003-2018 Free Software Foundation, Inc.
Contributed by Jan Hubicka
This file is part of GCC.
/* This file contains basic routines manipulating call graph
- The call-graph is a data structure designed for intra-procedural optimization.
- It represents a multi-graph where nodes are functions and edges are call sites. */
+ The call-graph is a data structure designed for inter-procedural
+ optimization. It represents a multi-graph where nodes are functions
+ (symbols within symbol table) and edges are call sites. */
#include "config.h"
#include "system.h"
#include "value-prof.h"
#include "ipa-utils.h"
#include "symbol-summary.h"
+#include "tree-vrp.h"
#include "ipa-prop.h"
-#include "ipa-inline.h"
+#include "ipa-fnsummary.h"
#include "cfgloop.h"
#include "gimple-pretty-print.h"
#include "tree-dfa.h"
#include "tree-chkp.h"
#include "context.h"
#include "gimplify.h"
+#include "stringpool.h"
+#include "attribs.h"
/* FIXME: Only for PROP_loops, but cgraph shouldn't have to know about this. */
#include "tree-pass.h"
return version_info_node;
}
-/* Remove the cgraph_function_version_info and cgraph_node for DECL. This
- DECL is a duplicate declaration. */
-void
-cgraph_node::delete_function_version (tree decl)
+/* Remove the cgraph_function_version_info node given by DECL_V. */
+static void
+delete_function_version (cgraph_function_version_info *decl_v)
{
- cgraph_node *decl_node = cgraph_node::get (decl);
- cgraph_function_version_info *decl_v = NULL;
-
- if (decl_node == NULL)
- return;
-
- decl_v = decl_node->function_version ();
-
if (decl_v == NULL)
return;
if (decl_v->prev != NULL)
- decl_v->prev->next = decl_v->next;
+ decl_v->prev->next = decl_v->next;
if (decl_v->next != NULL)
decl_v->next->prev = decl_v->prev;
if (cgraph_fnver_htab != NULL)
cgraph_fnver_htab->remove_elt (decl_v);
+}
+
+/* Remove the cgraph_function_version_info and cgraph_node for DECL. This
+ DECL is a duplicate declaration. */
+void
+cgraph_node::delete_function_version_by_decl (tree decl)
+{
+ cgraph_node *decl_node = cgraph_node::get (decl);
+
+ if (decl_node == NULL)
+ return;
+
+ delete_function_version (decl_node->function_version ());
decl_node->remove ();
}
{
if (!dump_file)
dump_file = dump_begin (TDI_cgraph, NULL);
+
+ if (!ipa_clones_dump_file)
+ ipa_clones_dump_file = dump_begin (TDI_clones, NULL);
}
/* Allocate new callgraph node and insert it into basic data structures. */
node->decl = decl;
+ node->count = profile_count::uninitialized ();
+
if ((flag_openacc || flag_openmp)
&& lookup_attribute ("omp declare target", DECL_ATTRIBUTES (decl)))
{
node->decl->decl_with_vis.symtab_node = node;
if (dump_file)
fprintf (dump_file, "Introduced new external node "
- "(%s/%i) and turned into root of the clone tree.\n",
- node->name (), node->order);
+ "(%s) and turned into root of the clone tree.\n",
+ node->dump_name ());
}
else if (dump_file)
fprintf (dump_file, "Introduced new external node "
- "(%s/%i).\n", node->name (), node->order);
+ "(%s).\n", node->dump_name ());
return node;
}
cgraph_node::create_same_body_alias (tree alias, tree decl)
{
cgraph_node *n;
-#ifndef ASM_OUTPUT_DEF
+
/* If aliases aren't supported by the assembler, fail. */
- return NULL;
-#endif
+ if (!TARGET_SUPPORTS_ALIASES)
+ return NULL;
+
/* Langhooks can create same body aliases of symbols not defined.
Those are useless. Drop them on the floor. */
if (symtab->global_info_ready)
/* Add thunk alias into callgraph. The alias declaration is ALIAS and it
aliases DECL with an adjustments made into the first parameter.
- See comments in thunk_adjust for detail on the parameters. */
+ See comments in struct cgraph_thunk_info for detail on the parameters. */
cgraph_node *
cgraph_node::create_thunk (tree alias, tree, bool this_adjusting,
node->reset ();
else
node = cgraph_node::create (alias);
- gcc_checking_assert (!virtual_offset
- || wi::eq_p (virtual_offset, virtual_value));
+
+ /* Make sure that if VIRTUAL_OFFSET is in sync with VIRTUAL_VALUE. */
+ gcc_checking_assert (virtual_offset
+ ? virtual_value == wi::to_wide (virtual_offset)
+ : virtual_value == 0);
+
node->thunk.fixed_offset = fixed_offset;
- node->thunk.this_adjusting = this_adjusting;
node->thunk.virtual_value = virtual_value;
- node->thunk.virtual_offset_p = virtual_offset != NULL;
node->thunk.alias = real_alias;
+ node->thunk.this_adjusting = this_adjusting;
+ node->thunk.virtual_offset_p = virtual_offset != NULL;
node->thunk.thunk_p = true;
node->definition = true;
cgraph_edge *
symbol_table::create_edge (cgraph_node *caller, cgraph_node *callee,
- gcall *call_stmt, gcov_type count, int freq,
+ gcall *call_stmt, profile_count count,
bool indir_unknown_callee)
{
cgraph_edge *edge;
edge->lto_stmt_uid = 0;
edge->count = count;
- gcc_assert (count >= 0);
- edge->frequency = freq;
- gcc_assert (freq >= 0);
- gcc_assert (freq <= CGRAPH_FREQ_MAX);
edge->call_stmt = call_stmt;
push_cfun (DECL_STRUCT_FUNCTION (caller->decl));
&& callee && callee->decl
&& !gimple_check_call_matching_types (call_stmt, callee->decl,
false))
- edge->call_stmt_cannot_inline_p = true;
+ {
+ edge->inline_failed = CIF_MISMATCHED_ARGUMENTS;
+ edge->call_stmt_cannot_inline_p = true;
+ }
else
- edge->call_stmt_cannot_inline_p = false;
+ {
+ edge->inline_failed = CIF_FUNCTION_NOT_CONSIDERED;
+ edge->call_stmt_cannot_inline_p = false;
+ }
edge->indirect_info = NULL;
edge->indirect_inlining_edge = 0;
cgraph_edge *
cgraph_node::create_edge (cgraph_node *callee,
- gcall *call_stmt, gcov_type count, int freq)
+ gcall *call_stmt, profile_count count)
{
cgraph_edge *edge = symtab->create_edge (this, callee, call_stmt, count,
- freq, false);
+ false);
initialize_inline_failed (edge);
cgraph_edge *
cgraph_node::create_indirect_edge (gcall *call_stmt, int ecf_flags,
- gcov_type count, int freq,
+ profile_count count,
bool compute_indirect_info)
{
cgraph_edge *edge = symtab->create_edge (this, NULL, call_stmt,
- count, freq, true);
+ count, true);
tree target;
initialize_inline_failed (edge);
Return direct edge created. */
cgraph_edge *
-cgraph_edge::make_speculative (cgraph_node *n2, gcov_type direct_count,
- int direct_frequency)
+cgraph_edge::make_speculative (cgraph_node *n2, profile_count direct_count)
{
cgraph_node *n = caller;
ipa_ref *ref = NULL;
cgraph_edge *e2;
if (dump_file)
- {
- fprintf (dump_file, "Indirect call -> speculative call"
- " %s/%i => %s/%i\n",
- xstrdup_for_dump (n->name ()), n->order,
- xstrdup_for_dump (n2->name ()), n2->order);
- }
+ fprintf (dump_file, "Indirect call -> speculative call %s => %s\n",
+ n->dump_name (), n2->dump_name ());
speculative = true;
- e2 = n->create_edge (n2, call_stmt, direct_count, direct_frequency);
+ e2 = n->create_edge (n2, call_stmt, direct_count);
initialize_inline_failed (e2);
e2->speculative = true;
if (TREE_NOTHROW (n2->decl))
e2->lto_stmt_uid = lto_stmt_uid;
e2->in_polymorphic_cdtor = in_polymorphic_cdtor;
count -= e2->count;
- frequency -= e2->frequency;
symtab->call_edge_duplication_hooks (this, e2);
ref = n->create_reference (n2, IPA_REF_ADDR, call_stmt);
ref->lto_stmt_uid = lto_stmt_uid;
{
if (callee_decl)
{
- fprintf (dump_file, "Speculative indirect call %s/%i => %s/%i has "
+ fprintf (dump_file, "Speculative indirect call %s => %s has "
"turned out to have contradicting known target ",
- xstrdup_for_dump (edge->caller->name ()),
- edge->caller->order,
- xstrdup_for_dump (e2->callee->name ()),
- e2->callee->order);
- print_generic_expr (dump_file, callee_decl, 0);
+ edge->caller->dump_name (),
+ e2->callee->dump_name ());
+ print_generic_expr (dump_file, callee_decl);
fprintf (dump_file, "\n");
}
else
{
- fprintf (dump_file, "Removing speculative call %s/%i => %s/%i\n",
- xstrdup_for_dump (edge->caller->name ()),
- edge->caller->order,
- xstrdup_for_dump (e2->callee->name ()),
- e2->callee->order);
+ fprintf (dump_file, "Removing speculative call %s => %s\n",
+ edge->caller->dump_name (),
+ e2->callee->dump_name ());
}
}
}
in the functions inlined through it. */
}
edge->count += e2->count;
- edge->frequency += e2->frequency;
- if (edge->frequency > CGRAPH_FREQ_MAX)
- edge->frequency = CGRAPH_FREQ_MAX;
edge->speculative = false;
e2->speculative = false;
ref->remove_reference ();
/* Insert to callers list of the new callee. */
edge->set_callee (callee);
- if (call_stmt)
- call_stmt_cannot_inline_p
- = !gimple_check_call_matching_types (call_stmt, callee->decl,
- false);
+ if (call_stmt
+ && !gimple_check_call_matching_types (call_stmt, callee->decl, false))
+ {
+ call_stmt_cannot_inline_p = true;
+ inline_failed = CIF_MISMATCHED_ARGUMENTS;
+ }
/* We need to re-determine the inlining status of the edge. */
initialize_inline_failed (edge);
cgraph_edge *e = this;
tree decl = gimple_call_fndecl (e->call_stmt);
- tree lhs = gimple_call_lhs (e->call_stmt);
gcall *new_stmt;
gimple_stmt_iterator gsi;
bool skip_bounds = false;
true))
{
if (dump_file)
- fprintf (dump_file, "Not expanding speculative call of %s/%i -> %s/%i\n"
+ fprintf (dump_file, "Not expanding speculative call of %s -> %s\n"
"Type mismatch.\n",
- xstrdup_for_dump (e->caller->name ()),
- e->caller->order,
- xstrdup_for_dump (e->callee->name ()),
- e->callee->order);
+ e->caller->dump_name (),
+ e->callee->dump_name ());
e = e->resolve_speculation ();
/* We are producing the final function body and will throw away the
callgraph edges really soon. Reset the counts/frequencies to
keep verifier happy in the case of roundoff errors. */
e->count = gimple_bb (e->call_stmt)->count;
- e->frequency = compute_call_stmt_bb_frequency
- (e->caller->decl, gimple_bb (e->call_stmt));
}
/* Expand speculation into GIMPLE code. */
else
{
if (dump_file)
- fprintf (dump_file,
- "Expanding speculative call of %s/%i -> %s/%i count:"
- "%" PRId64"\n",
- xstrdup_for_dump (e->caller->name ()),
- e->caller->order,
- xstrdup_for_dump (e->callee->name ()),
- e->callee->order,
- (int64_t)e->count);
+ {
+ fprintf (dump_file,
+ "Expanding speculative call of %s -> %s count: ",
+ e->caller->dump_name (),
+ e->callee->dump_name ());
+ e->count.dump (dump_file);
+ fprintf (dump_file, "\n");
+ }
gcc_assert (e2->speculative);
push_cfun (DECL_STRUCT_FUNCTION (e->caller->decl));
+
+ profile_probability prob = e->count.probability_in (e->count
+ + e2->count);
+ if (!prob.initialized_p ())
+ prob = profile_probability::even ();
new_stmt = gimple_ic (e->call_stmt,
dyn_cast<cgraph_node *> (ref->referred),
- e->count || e2->count
- ? RDIV (e->count * REG_BR_PROB_BASE,
- e->count + e2->count)
- : e->frequency || e2->frequency
- ? RDIV (e->frequency * REG_BR_PROB_BASE,
- e->frequency + e2->frequency)
- : REG_BR_PROB_BASE / 2,
- e->count, e->count + e2->count);
+ prob);
e->speculative = false;
e->caller->set_call_stmt_including_clones (e->call_stmt, new_stmt,
false);
+ e->count = gimple_bb (e->call_stmt)->count;
/* Fix edges for BUILT_IN_CHKP_BNDRET calls attached to the
processed call stmt. */
gcall *ibndret = chkp_retbnd_call_by_val (iresult);
struct cgraph_edge *iedge
= e2->caller->cgraph_node::get_edge (ibndret);
- struct cgraph_edge *dedge;
if (dbndret)
- {
- dedge = iedge->caller->create_edge (iedge->callee,
- dbndret, e->count,
- e->frequency);
- dedge->frequency = compute_call_stmt_bb_frequency
- (dedge->caller->decl, gimple_bb (dedge->call_stmt));
- }
- iedge->frequency = compute_call_stmt_bb_frequency
- (iedge->caller->decl, gimple_bb (iedge->call_stmt));
+ iedge->caller->create_edge (iedge->callee, dbndret, e->count);
}
- e->frequency = compute_call_stmt_bb_frequency
- (e->caller->decl, gimple_bb (e->call_stmt));
- e2->frequency = compute_call_stmt_bb_frequency
- (e2->caller->decl, gimple_bb (e2->call_stmt));
e2->speculative = false;
+ e2->count = gimple_bb (e2->call_stmt)->count;
ref->speculative = false;
ref->stmt = NULL;
/* Indirect edges are not both in the call site hash.
if (symtab->dump_file)
{
- fprintf (symtab->dump_file, "updating call of %s/%i -> %s/%i: ",
- xstrdup_for_dump (e->caller->name ()), e->caller->order,
- xstrdup_for_dump (e->callee->name ()), e->callee->order);
+ fprintf (symtab->dump_file, "updating call of %s -> %s: ",
+ e->caller->dump_name (), e->callee->dump_name ());
print_gimple_stmt (symtab->dump_file, e->call_stmt, 0, dump_flags);
if (e->callee->clone.combined_args_to_skip)
{
if (skip_bounds)
new_stmt = chkp_copy_call_skip_bounds (new_stmt);
+ tree old_fntype = gimple_call_fntype (e->call_stmt);
gimple_call_set_fndecl (new_stmt, e->callee->decl);
- gimple_call_set_fntype (new_stmt, gimple_call_fntype (e->call_stmt));
+ cgraph_node *origin = e->callee;
+ while (origin->clone_of)
+ origin = origin->clone_of;
+
+ if ((origin->former_clone_of
+ && old_fntype == TREE_TYPE (origin->former_clone_of))
+ || old_fntype == TREE_TYPE (origin->decl))
+ gimple_call_set_fntype (new_stmt, TREE_TYPE (e->callee->decl));
+ else
+ {
+ bitmap skip = e->callee->clone.combined_args_to_skip;
+ tree t = cgraph_build_function_type_skip_args (old_fntype, skip,
+ false);
+ gimple_call_set_fntype (new_stmt, t);
+ }
if (gimple_vdef (new_stmt)
&& TREE_CODE (gimple_vdef (new_stmt)) == SSA_NAME)
stmts and associate D#X with parm in decl_debug_args_lookup
vector to say for debug info that if parameter parm had been passed,
it would have value parm_Y(D). */
- if (e->callee->clone.combined_args_to_skip && MAY_HAVE_DEBUG_STMTS)
+ if (e->callee->clone.combined_args_to_skip && MAY_HAVE_DEBUG_BIND_STMTS)
{
vec<tree, va_gc> **debug_args
= decl_debug_args_lookup (e->callee->decl);
update_stmt_fn (DECL_STRUCT_FUNCTION (e->caller->decl), new_stmt);
}
+ /* If changing the call to __cxa_pure_virtual or similar noreturn function,
+ adjust gimple_call_fntype too. */
+ if (gimple_call_noreturn_p (new_stmt)
+ && VOID_TYPE_P (TREE_TYPE (TREE_TYPE (e->callee->decl)))
+ && TYPE_ARG_TYPES (TREE_TYPE (e->callee->decl))
+ && (TREE_VALUE (TYPE_ARG_TYPES (TREE_TYPE (e->callee->decl)))
+ == void_type_node))
+ gimple_call_set_fntype (new_stmt, TREE_TYPE (e->callee->decl));
+
/* If the call becomes noreturn, remove the LHS if possible. */
+ tree lhs = gimple_call_lhs (new_stmt);
if (lhs
- && (gimple_call_flags (new_stmt) & ECF_NORETURN)
- && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST)
+ && gimple_call_noreturn_p (new_stmt)
+ && (VOID_TYPE_P (TREE_TYPE (gimple_call_fntype (new_stmt)))
+ || should_remove_lhs_p (lhs)))
{
if (TREE_CODE (lhs) == SSA_NAME)
{
{
cgraph_edge *e = node->get_edge (old_stmt);
cgraph_edge *ne = NULL;
- gcov_type count;
- int frequency;
+ profile_count count;
if (e)
{
since function has changed, so inline plan and other information
attached to edge is invalid. */
count = e->count;
- frequency = e->frequency;
if (e->indirect_unknown_callee || e->inline_failed)
e->remove ();
else
/* We are seeing new direct call; compute profile info based on BB. */
basic_block bb = gimple_bb (new_stmt);
count = bb->count;
- frequency = compute_call_stmt_bb_frequency (current_function_decl,
- bb);
}
if (new_call)
{
ne = node->create_edge (cgraph_node::get_create (new_call),
- as_a <gcall *> (new_stmt), count,
- frequency);
+ as_a <gcall *> (new_stmt), count);
gcc_assert (ne->inline_failed);
}
}
if (fn)
{
if (fn->cfg
- || fn->gimple_df)
+ && loops_for_fn (fn))
{
- if (fn->cfg
- && loops_for_fn (fn))
- {
- fn->curr_properties &= ~PROP_loops;
- loop_optimizer_finalize (fn);
- }
- if (fn->gimple_df)
- {
- delete_tree_ssa (fn);
- delete_tree_cfg_annotations (fn);
- fn->eh = NULL;
- }
- if (fn->cfg)
- {
- gcc_assert (!dom_info_available_p (fn, CDI_DOMINATORS));
- gcc_assert (!dom_info_available_p (fn, CDI_POST_DOMINATORS));
- clear_edges (fn);
- fn->cfg = NULL;
- }
- if (fn->value_histograms)
- free_histograms (fn);
+ fn->curr_properties &= ~PROP_loops;
+ loop_optimizer_finalize (fn);
+ }
+ if (fn->gimple_df)
+ {
+ delete_tree_ssa (fn);
+ fn->eh = NULL;
}
+ if (fn->cfg)
+ {
+ gcc_assert (!dom_info_available_p (fn, CDI_DOMINATORS));
+ gcc_assert (!dom_info_available_p (fn, CDI_POST_DOMINATORS));
+ delete_tree_cfg_annotations (fn);
+ clear_edges (fn);
+ fn->cfg = NULL;
+ }
+ if (fn->value_histograms)
+ free_histograms (fn);
gimple_set_body (decl, NULL);
/* Struct function hangs a lot of data that would leak if we didn't
removed all pointers to it. */
cgraph_node *n;
int uid = this->uid;
+ if (symtab->ipa_clones_dump_file && symtab->cloned_nodes.contains (this))
+ fprintf (symtab->ipa_clones_dump_file,
+ "Callgraph removal;%s;%d;%s;%d;%d\n", asm_name (), order,
+ DECL_SOURCE_FILE (decl), DECL_SOURCE_LINE (decl),
+ DECL_SOURCE_COLUMN (decl));
+
symtab->call_cgraph_removal_hooks (this);
remove_callers ();
remove_callees ();
ipa_transforms_to_apply.release ();
+ delete_function_version (function_version ());
/* Incremental inlining access removed nodes stored in the postorder list.
*/
cgraph_node *node = get (decl);
if (!node)
return NULL;
- node = node->ultimate_alias_target ();
- if (node->decl != current_function_decl
- && !TREE_ASM_WRITTEN (node->decl))
+ enum availability avail;
+ node = node->ultimate_alias_target (&avail);
+ if (decl != current_function_decl
+ && (avail < AVAIL_AVAILABLE
+ || (node->decl != current_function_decl
+ && !TREE_ASM_WRITTEN (node->decl))))
return NULL;
- /* Allocate if it doesnt exist. */
- if (node->ultimate_alias_target ()->rtl == NULL)
- node->ultimate_alias_target ()->rtl = ggc_cleared_alloc<cgraph_rtl_info> ();
- return node->ultimate_alias_target ()->rtl;
+ /* Allocate if it doesn't exist. */
+ if (node->rtl == NULL)
+ node->rtl = ggc_cleared_alloc<cgraph_rtl_info> ();
+ return node->rtl;
}
/* Return a string describing the failure REASON. */
fprintf (f, "(speculative) ");
if (!inline_failed)
fprintf (f, "(inlined) ");
+ if (call_stmt_cannot_inline_p)
+ fprintf (f, "(call_stmt_cannot_inline_p) ");
if (indirect_inlining_edge)
fprintf (f, "(indirect_inlining) ");
- if (count)
- fprintf (f, "(%" PRId64"x) ", (int64_t)count);
- if (frequency)
- fprintf (f, "(%.2f per call) ", frequency / (double)CGRAPH_FREQ_BASE);
+ if (count.initialized_p ())
+ {
+ fprintf (f, "(");
+ count.dump (f);
+ fprintf (f, ",");
+ fprintf (f, "%.2f per call) ", sreal_frequency ().to_double ());
+ }
if (can_throw_external)
fprintf (f, "(can throw external) ");
}
dump_base (f);
if (global.inlined_to)
- fprintf (f, " Function %s/%i is inline copy in %s/%i\n",
- xstrdup_for_dump (name ()),
- order,
- xstrdup_for_dump (global.inlined_to->name ()),
- global.inlined_to->order);
+ fprintf (f, " Function %s is inline copy in %s\n",
+ dump_name (),
+ global.inlined_to->dump_name ());
if (clone_of)
- fprintf (f, " Clone of %s/%i\n",
- clone_of->asm_name (),
- clone_of->order);
+ fprintf (f, " Clone of %s\n", clone_of->dump_asm_name ());
if (symtab->function_flags_ready)
fprintf (f, " Availability: %s\n",
cgraph_availability_names [get_availability ()]);
fprintf (f, " Profile id: %i\n",
profile_id);
fprintf (f, " First run: %i\n", tp_first_run);
+ cgraph_function_version_info *vi = function_version ();
+ if (vi != NULL)
+ {
+ fprintf (f, " Version info: ");
+ if (vi->prev != NULL)
+ {
+ fprintf (f, "prev: ");
+ fprintf (f, "%s ", vi->prev->this_node->dump_asm_name ());
+ }
+ if (vi->next != NULL)
+ {
+ fprintf (f, "next: ");
+ fprintf (f, "%s ", vi->next->this_node->dump_asm_name ());
+ }
+ if (vi->dispatcher_resolver != NULL_TREE)
+ fprintf (f, "dispatcher: %s",
+ lang_hooks.decl_printable_name (vi->dispatcher_resolver, 2));
+
+ fprintf (f, "\n");
+ }
fprintf (f, " Function flags:");
- if (count)
- fprintf (f, " executed %" PRId64"x",
- (int64_t)count);
+ if (count.initialized_p ())
+ {
+ fprintf (f, " count: ");
+ count.dump (f);
+ }
if (origin)
fprintf (f, " nested in: %s", origin->asm_name ());
if (gimple_has_body_p (decl))
fprintf (f, " only_called_at_exit");
if (tm_clone)
fprintf (f, " tm_clone");
+ if (calls_comdat_local)
+ fprintf (f, " calls_comdat_local");
if (icf_merged)
fprintf (f, " icf_merged");
if (merged_comdat)
fprintf (f, " Called by: ");
+ profile_count sum = profile_count::zero ();
for (edge = callers; edge; edge = edge->next_caller)
{
- fprintf (f, "%s/%i ", edge->caller->asm_name (),
- edge->caller->order);
+ fprintf (f, "%s ", edge->caller->dump_name ());
edge->dump_edge_flags (f);
+ if (edge->count.initialized_p ())
+ sum += edge->count.ipa ();
}
fprintf (f, "\n Calls: ");
for (edge = callees; edge; edge = edge->next_callee)
{
- fprintf (f, "%s/%i ", edge->callee->asm_name (),
- edge->callee->order);
+ fprintf (f, "%s ", edge->callee->dump_name ());
edge->dump_edge_flags (f);
}
fprintf (f, "\n");
+ if (count.ipa ().initialized_p ())
+ {
+ bool ok = true;
+ bool min = false;
+ ipa_ref *ref;
+
+ FOR_EACH_ALIAS (this, ref)
+ if (dyn_cast <cgraph_node *> (ref->referring)->count.initialized_p ())
+ sum += dyn_cast <cgraph_node *> (ref->referring)->count.ipa ();
+
+ if (global.inlined_to
+ || (symtab->state < EXPANSION
+ && ultimate_alias_target () == this && only_called_directly_p ()))
+ ok = !count.ipa ().differs_from_p (sum);
+ else if (count.ipa () > profile_count::from_gcov_type (100)
+ && count.ipa () < sum.apply_scale (99, 100))
+ ok = false, min = true;
+ if (!ok)
+ {
+ fprintf (f, " Invalid sum of caller counts ");
+ sum.dump (f);
+ if (min)
+ fprintf (f, ", should be at most ");
+ else
+ fprintf (f, ", should be ");
+ count.ipa ().dump (f);
+ fprintf (f, "\n");
+ }
+ }
+
for (edge = indirect_calls; edge; edge = edge->next_callee)
{
if (edge->indirect_info->polymorphic)
/* Return function availability. See cgraph.h for description of individual
return values. */
enum availability
-cgraph_node::get_availability (void)
+cgraph_node::get_availability (symtab_node *ref)
{
+ if (ref)
+ {
+ cgraph_node *cref = dyn_cast <cgraph_node *> (ref);
+ if (cref)
+ ref = cref->global.inlined_to;
+ }
enum availability avail;
if (!analyzed)
avail = AVAIL_NOT_AVAILABLE;
else if (local.local)
avail = AVAIL_LOCAL;
+ else if (global.inlined_to)
+ avail = AVAIL_AVAILABLE;
else if (transparent_alias)
- ultimate_alias_target (&avail);
- else if (lookup_attribute ("ifunc", DECL_ATTRIBUTES (decl)))
+ ultimate_alias_target (&avail, ref);
+ else if (lookup_attribute ("ifunc", DECL_ATTRIBUTES (decl))
+ || lookup_attribute ("noipa", DECL_ATTRIBUTES (decl)))
avail = AVAIL_INTERPOSABLE;
else if (!externally_visible)
avail = AVAIL_AVAILABLE;
+ /* If this is a reference from symbol itself and there are no aliases, we
+ may be sure that the symbol was not interposed by something else because
+ the symbol itself would be unreachable otherwise.
+
+ Also comdat groups are always resolved in groups. */
+ else if ((this == ref && !has_aliases_p ())
+ || (ref && get_comdat_group ()
+ && get_comdat_group () == ref->get_comdat_group ()))
+ avail = AVAIL_AVAILABLE;
/* Inline functions are safe to be analyzed even if their symbol can
be overwritten at runtime. It is not meaningful to enforce any sane
behavior on replacing inline function by different body. */
care at least of two notable extensions - the COMDAT functions
used to share template instantiations in C++ (this is symmetric
to code cp_cannot_inline_tree_fn and probably shall be shared and
- the inlinability hooks completely eliminated).
-
- ??? Does the C++ one definition rule allow us to always return
- AVAIL_AVAILABLE here? That would be good reason to preserve this
- bit. */
+ the inlinability hooks completely eliminated). */
else if (decl_replaceable_p (decl) && !DECL_EXTERNAL (decl))
avail = AVAIL_INTERPOSABLE;
}
/* Call callback on cgraph_node, thunks and aliases associated to cgraph_node.
- When INCLUDE_OVERWRITABLE is false, overwritable aliases and thunks are
+ When INCLUDE_OVERWRITABLE is false, overwritable symbols are
skipped. When EXCLUDE_VIRTUAL_THUNKS is true, virtual thunks are
skipped. */
bool
{
cgraph_edge *e;
ipa_ref *ref;
+ enum availability avail = AVAIL_AVAILABLE;
- if (callback (this, data))
- return true;
+ if (include_overwritable
+ || (avail = get_availability ()) > AVAIL_INTERPOSABLE)
+ {
+ if (callback (this, data))
+ return true;
+ }
FOR_EACH_ALIAS (this, ref)
{
cgraph_node *alias = dyn_cast <cgraph_node *> (ref->referring);
exclude_virtual_thunks))
return true;
}
+ if (avail <= AVAIL_INTERPOSABLE)
+ return false;
for (e = callers; e; e = e->next_caller)
if (e->caller->thunk.thunk_p
&& (include_overwritable
/* Worker to set nothrow flag. */
-static bool
-cgraph_set_nothrow_flag_1 (cgraph_node *node, void *data)
+static void
+set_nothrow_flag_1 (cgraph_node *node, bool nothrow, bool non_call,
+ bool *changed)
{
cgraph_edge *e;
- TREE_NOTHROW (node->decl) = data != NULL;
-
- if (data != NULL)
- for (e = node->callers; e; e = e->next_caller)
- e->can_throw_external = false;
- return false;
+ if (nothrow && !TREE_NOTHROW (node->decl))
+ {
+ /* With non-call exceptions we can't say for sure if other function body
+ was not possibly optimized to stil throw. */
+ if (!non_call || node->binds_to_current_def_p ())
+ {
+ TREE_NOTHROW (node->decl) = true;
+ *changed = true;
+ for (e = node->callers; e; e = e->next_caller)
+ e->can_throw_external = false;
+ }
+ }
+ else if (!nothrow && TREE_NOTHROW (node->decl))
+ {
+ TREE_NOTHROW (node->decl) = false;
+ *changed = true;
+ }
+ ipa_ref *ref;
+ FOR_EACH_ALIAS (node, ref)
+ {
+ cgraph_node *alias = dyn_cast <cgraph_node *> (ref->referring);
+ if (!nothrow || alias->get_availability () > AVAIL_INTERPOSABLE)
+ set_nothrow_flag_1 (alias, nothrow, non_call, changed);
+ }
+ for (cgraph_edge *e = node->callers; e; e = e->next_caller)
+ if (e->caller->thunk.thunk_p
+ && (!nothrow || e->caller->get_availability () > AVAIL_INTERPOSABLE))
+ set_nothrow_flag_1 (e->caller, nothrow, non_call, changed);
}
/* Set TREE_NOTHROW on NODE's decl and on aliases of NODE
if any to NOTHROW. */
-void
+bool
cgraph_node::set_nothrow_flag (bool nothrow)
{
- call_for_symbol_thunks_and_aliases (cgraph_set_nothrow_flag_1,
- (void *)(size_t)nothrow, false);
+ bool changed = false;
+ bool non_call = opt_for_fn (decl, flag_non_call_exceptions);
+
+ if (!nothrow || get_availability () > AVAIL_INTERPOSABLE)
+ set_nothrow_flag_1 (this, nothrow, non_call, &changed);
+ else
+ {
+ ipa_ref *ref;
+
+ FOR_EACH_ALIAS (this, ref)
+ {
+ cgraph_node *alias = dyn_cast <cgraph_node *> (ref->referring);
+ if (!nothrow || alias->get_availability () > AVAIL_INTERPOSABLE)
+ set_nothrow_flag_1 (alias, nothrow, non_call, &changed);
+ }
+ }
+ return changed;
+}
+
+/* Worker to set malloc flag. */
+static void
+set_malloc_flag_1 (cgraph_node *node, bool malloc_p, bool *changed)
+{
+ if (malloc_p && !DECL_IS_MALLOC (node->decl))
+ {
+ DECL_IS_MALLOC (node->decl) = true;
+ *changed = true;
+ }
+
+ ipa_ref *ref;
+ FOR_EACH_ALIAS (node, ref)
+ {
+ cgraph_node *alias = dyn_cast<cgraph_node *> (ref->referring);
+ if (!malloc_p || alias->get_availability () > AVAIL_INTERPOSABLE)
+ set_malloc_flag_1 (alias, malloc_p, changed);
+ }
+
+ for (cgraph_edge *e = node->callers; e; e = e->next_caller)
+ if (e->caller->thunk.thunk_p
+ && (!malloc_p || e->caller->get_availability () > AVAIL_INTERPOSABLE))
+ set_malloc_flag_1 (e->caller, malloc_p, changed);
}
-/* Worker to set const flag. */
+/* Set DECL_IS_MALLOC on NODE's decl and on NODE's aliases if any. */
-static bool
-cgraph_set_const_flag_1 (cgraph_node *node, void *data)
+bool
+cgraph_node::set_malloc_flag (bool malloc_p)
+{
+ bool changed = false;
+
+ if (!malloc_p || get_availability () > AVAIL_INTERPOSABLE)
+ set_malloc_flag_1 (this, malloc_p, &changed);
+ else
+ {
+ ipa_ref *ref;
+
+ FOR_EACH_ALIAS (this, ref)
+ {
+ cgraph_node *alias = dyn_cast<cgraph_node *> (ref->referring);
+ if (!malloc_p || alias->get_availability () > AVAIL_INTERPOSABLE)
+ set_malloc_flag_1 (alias, malloc_p, &changed);
+ }
+ }
+ return changed;
+}
+
+/* Worker to set_const_flag. */
+
+static void
+set_const_flag_1 (cgraph_node *node, bool set_const, bool looping,
+ bool *changed)
{
/* Static constructors and destructors without a side effect can be
optimized out. */
- if (data && !((size_t)data & 2))
+ if (set_const && !looping)
{
if (DECL_STATIC_CONSTRUCTOR (node->decl))
- DECL_STATIC_CONSTRUCTOR (node->decl) = 0;
+ {
+ DECL_STATIC_CONSTRUCTOR (node->decl) = 0;
+ *changed = true;
+ }
if (DECL_STATIC_DESTRUCTOR (node->decl))
- DECL_STATIC_DESTRUCTOR (node->decl) = 0;
+ {
+ DECL_STATIC_DESTRUCTOR (node->decl) = 0;
+ *changed = true;
+ }
}
- TREE_READONLY (node->decl) = data != NULL;
- DECL_LOOPING_CONST_OR_PURE_P (node->decl) = ((size_t)data & 2) != 0;
- return false;
+ if (!set_const)
+ {
+ if (TREE_READONLY (node->decl))
+ {
+ TREE_READONLY (node->decl) = 0;
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = false;
+ *changed = true;
+ }
+ }
+ else
+ {
+ /* Consider function:
+
+ bool a(int *p)
+ {
+ return *p==*p;
+ }
+
+ During early optimization we will turn this into:
+
+ bool a(int *p)
+ {
+ return true;
+ }
+
+ Now if this function will be detected as CONST however when interposed
+ it may end up being just pure. We always must assume the worst
+ scenario here. */
+ if (TREE_READONLY (node->decl))
+ {
+ if (!looping && DECL_LOOPING_CONST_OR_PURE_P (node->decl))
+ {
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = false;
+ *changed = true;
+ }
+ }
+ else if (node->binds_to_current_def_p ())
+ {
+ TREE_READONLY (node->decl) = true;
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = looping;
+ DECL_PURE_P (node->decl) = false;
+ *changed = true;
+ }
+ else
+ {
+ if (dump_file && (dump_flags & TDF_DETAILS))
+ fprintf (dump_file, "Dropping state to PURE because function does "
+ "not bind to current def.\n");
+ if (!DECL_PURE_P (node->decl))
+ {
+ DECL_PURE_P (node->decl) = true;
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = looping;
+ *changed = true;
+ }
+ else if (!looping && DECL_LOOPING_CONST_OR_PURE_P (node->decl))
+ {
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = false;
+ *changed = true;
+ }
+ }
+ }
+
+ ipa_ref *ref;
+ FOR_EACH_ALIAS (node, ref)
+ {
+ cgraph_node *alias = dyn_cast <cgraph_node *> (ref->referring);
+ if (!set_const || alias->get_availability () > AVAIL_INTERPOSABLE)
+ set_const_flag_1 (alias, set_const, looping, changed);
+ }
+ for (cgraph_edge *e = node->callers; e; e = e->next_caller)
+ if (e->caller->thunk.thunk_p
+ && (!set_const || e->caller->get_availability () > AVAIL_INTERPOSABLE))
+ {
+ /* Virtual thunks access virtual offset in the vtable, so they can
+ only be pure, never const. */
+ if (set_const
+ && (e->caller->thunk.virtual_offset_p
+ || !node->binds_to_current_def_p (e->caller)))
+ *changed |= e->caller->set_pure_flag (true, looping);
+ else
+ set_const_flag_1 (e->caller, set_const, looping, changed);
+ }
}
-/* Set TREE_READONLY on cgraph_node's decl and on aliases of the node
- if any to READONLY. */
+/* If SET_CONST is true, mark function, aliases and thunks to be ECF_CONST.
+ If SET_CONST if false, clear the flag.
-void
-cgraph_node::set_const_flag (bool readonly, bool looping)
+ When setting the flag be careful about possible interposition and
+ do not set the flag for functions that can be interposet and set pure
+ flag for functions that can bind to other definition.
+
+ Return true if any change was done. */
+
+bool
+cgraph_node::set_const_flag (bool set_const, bool looping)
{
- call_for_symbol_thunks_and_aliases (cgraph_set_const_flag_1,
- (void *)(size_t)(readonly + (int)looping * 2),
- false, true);
+ bool changed = false;
+ if (!set_const || get_availability () > AVAIL_INTERPOSABLE)
+ set_const_flag_1 (this, set_const, looping, &changed);
+ else
+ {
+ ipa_ref *ref;
+
+ FOR_EACH_ALIAS (this, ref)
+ {
+ cgraph_node *alias = dyn_cast <cgraph_node *> (ref->referring);
+ if (!set_const || alias->get_availability () > AVAIL_INTERPOSABLE)
+ set_const_flag_1 (alias, set_const, looping, &changed);
+ }
+ }
+ return changed;
}
-/* Worker to set pure flag. */
+/* Info used by set_pure_flag_1. */
+
+struct set_pure_flag_info
+{
+ bool pure;
+ bool looping;
+ bool changed;
+};
+
+/* Worker to set_pure_flag. */
static bool
-cgraph_set_pure_flag_1 (cgraph_node *node, void *data)
+set_pure_flag_1 (cgraph_node *node, void *data)
{
+ struct set_pure_flag_info *info = (struct set_pure_flag_info *)data;
/* Static constructors and destructors without a side effect can be
optimized out. */
- if (data && !((size_t)data & 2))
+ if (info->pure && !info->looping)
{
if (DECL_STATIC_CONSTRUCTOR (node->decl))
- DECL_STATIC_CONSTRUCTOR (node->decl) = 0;
+ {
+ DECL_STATIC_CONSTRUCTOR (node->decl) = 0;
+ info->changed = true;
+ }
if (DECL_STATIC_DESTRUCTOR (node->decl))
- DECL_STATIC_DESTRUCTOR (node->decl) = 0;
+ {
+ DECL_STATIC_DESTRUCTOR (node->decl) = 0;
+ info->changed = true;
+ }
+ }
+ if (info->pure)
+ {
+ if (!DECL_PURE_P (node->decl) && !TREE_READONLY (node->decl))
+ {
+ DECL_PURE_P (node->decl) = true;
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = info->looping;
+ info->changed = true;
+ }
+ else if (DECL_LOOPING_CONST_OR_PURE_P (node->decl)
+ && !info->looping)
+ {
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = false;
+ info->changed = true;
+ }
+ }
+ else
+ {
+ if (DECL_PURE_P (node->decl))
+ {
+ DECL_PURE_P (node->decl) = false;
+ DECL_LOOPING_CONST_OR_PURE_P (node->decl) = false;
+ info->changed = true;
+ }
}
- DECL_PURE_P (node->decl) = data != NULL;
- DECL_LOOPING_CONST_OR_PURE_P (node->decl) = ((size_t)data & 2) != 0;
return false;
}
/* Set DECL_PURE_P on cgraph_node's decl and on aliases of the node
- if any to PURE. */
+ if any to PURE.
-void
+ When setting the flag, be careful about possible interposition.
+ Return true if any change was done. */
+
+bool
cgraph_node::set_pure_flag (bool pure, bool looping)
{
- call_for_symbol_thunks_and_aliases (cgraph_set_pure_flag_1,
- (void *)(size_t)(pure + (int)looping * 2),
- false, true);
+ struct set_pure_flag_info info = {pure, looping, false};
+ if (!pure)
+ looping = false;
+ call_for_symbol_thunks_and_aliases (set_pure_flag_1, &info, !pure, true);
+ return info.changed;
}
/* Return true when cgraph_node can not return or throw and thus
bool
cgraph_edge::maybe_hot_p (void)
{
- /* TODO: Export profile_status from cfun->cfg to cgraph_node. */
- if (profile_info
- && opt_for_fn (caller->decl, flag_branch_probabilities)
- && !maybe_hot_count_p (NULL, count))
+ if (!maybe_hot_count_p (NULL, count.ipa ()))
return false;
if (caller->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED
|| (callee
return false;
if (caller->frequency == NODE_FREQUENCY_HOT)
return true;
+ /* If profile is now known yet, be conservative.
+ FIXME: this predicate is used by early inliner and can do better there. */
+ if (symtab->state < IPA_SSA)
+ return true;
if (caller->frequency == NODE_FREQUENCY_EXECUTED_ONCE
- && frequency < CGRAPH_FREQ_BASE * 3 / 2)
+ && sreal_frequency () * 2 < 3)
+ return false;
+ if (PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION) == 0
+ || sreal_frequency () * PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION) <= 1)
return false;
- if (opt_for_fn (caller->decl, flag_guess_branch_prob))
- {
- if (PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION) == 0
- || frequency <= (CGRAPH_FREQ_BASE
- / PARAM_VALUE (HOT_BB_FREQUENCY_FRACTION)))
- return false;
- }
return true;
}
/* Verify edge count and frequency. */
bool
-cgraph_edge::verify_count_and_frequency ()
+cgraph_edge::verify_count ()
{
bool error_found = false;
- if (count < 0)
- {
- error ("caller edge count is negative");
- error_found = true;
- }
- if (frequency < 0)
+ if (!count.verify ())
{
- error ("caller edge frequency is negative");
- error_found = true;
- }
- if (frequency > CGRAPH_FREQ_MAX)
- {
- error ("caller edge frequency is too large");
+ error ("caller edge count invalid");
error_found = true;
}
return error_found;
identifier_to_locale (e->callee->name ()));
error_found = true;
}
- if (count < 0)
+ if (!count.verify ())
{
- error ("execution count is negative");
+ error ("cgraph count invalid");
error_found = true;
}
if (global.inlined_to && same_comdat_group)
bool check_comdat = comdat_local_p ();
for (e = callers; e; e = e->next_caller)
{
- if (e->verify_count_and_frequency ())
+ if (e->verify_count ())
error_found = true;
if (check_comdat
&& !in_same_comdat_group_p (e->caller))
}
for (e = callees; e; e = e->next_callee)
{
- if (e->verify_count_and_frequency ())
+ if (e->verify_count ())
error_found = true;
if (gimple_has_body_p (e->caller->decl)
&& !e->caller->global.inlined_to
&& !e->speculative
/* Optimized out calls are redirected to __builtin_unreachable. */
- && (e->frequency
- || e->callee->decl
- != builtin_decl_implicit (BUILT_IN_UNREACHABLE))
- && (e->frequency
- != compute_call_stmt_bb_frequency (e->caller->decl,
- gimple_bb (e->call_stmt))))
+ && (e->count.nonzero_p ()
+ || ! e->callee->decl
+ || DECL_BUILT_IN_CLASS (e->callee->decl) != BUILT_IN_NORMAL
+ || DECL_FUNCTION_CODE (e->callee->decl) != BUILT_IN_UNREACHABLE)
+ && count
+ == ENTRY_BLOCK_PTR_FOR_FN (DECL_STRUCT_FUNCTION (decl))->count
+ && (!e->count.ipa_p ()
+ && e->count.differs_from_p (gimple_bb (e->call_stmt)->count)))
{
- error ("caller edge frequency %i does not match BB frequency %i",
- e->frequency,
- compute_call_stmt_bb_frequency (e->caller->decl,
- gimple_bb (e->call_stmt)));
+ error ("caller edge count does not match BB count");
+ fprintf (stderr, "edge count: ");
+ e->count.dump (stderr);
+ fprintf (stderr, "\n bb count: ");
+ gimple_bb (e->call_stmt)->count.dump (stderr);
+ fprintf (stderr, "\n");
error_found = true;
}
}
for (e = indirect_calls; e; e = e->next_callee)
{
- if (e->verify_count_and_frequency ())
+ if (e->verify_count ())
error_found = true;
if (gimple_has_body_p (e->caller->decl)
&& !e->caller->global.inlined_to
&& !e->speculative
- && (e->frequency
- != compute_call_stmt_bb_frequency (e->caller->decl,
- gimple_bb (e->call_stmt))))
+ && e->count.ipa_p ()
+ && count
+ == ENTRY_BLOCK_PTR_FOR_FN (DECL_STRUCT_FUNCTION (decl))->count
+ && (!e->count.ipa_p ()
+ && e->count.differs_from_p (gimple_bb (e->call_stmt)->count)))
{
- error ("indirect call frequency %i does not match BB frequency %i",
- e->frequency,
- compute_call_stmt_bb_frequency (e->caller->decl,
- gimple_bb (e->call_stmt)));
+ error ("indirect call count does not match BB count");
+ fprintf (stderr, "edge count: ");
+ e->count.dump (stderr);
+ fprintf (stderr, "\n bb count: ");
+ gimple_bb (e->call_stmt)->count.dump (stderr);
+ fprintf (stderr, "\n");
error_found = true;
}
}
error ("More than one edge out of thunk node");
error_found = true;
}
- if (gimple_has_body_p (decl))
+ if (gimple_has_body_p (decl) && !global.inlined_to)
{
error ("Thunk is not supposed to have body");
error_found = true;
/* Walk the alias chain to return the function cgraph_node is alias of.
Walk through thunks, too.
- When AVAILABILITY is non-NULL, get minimal availability in the chain. */
+ When AVAILABILITY is non-NULL, get minimal availability in the chain.
+ When REF is non-NULL, assume that reference happens in symbol REF
+ when determining the availability. */
cgraph_node *
-cgraph_node::function_symbol (enum availability *availability)
+cgraph_node::function_symbol (enum availability *availability,
+ struct symtab_node *ref)
{
- cgraph_node *node = ultimate_alias_target (availability);
+ cgraph_node *node = ultimate_alias_target (availability, ref);
while (node->thunk.thunk_p)
{
+ ref = node;
node = node->callees->callee;
if (availability)
{
enum availability a;
- a = node->get_availability ();
+ a = node->get_availability (ref);
if (a < *availability)
*availability = a;
}
- node = node->ultimate_alias_target (availability);
+ node = node->ultimate_alias_target (availability, ref);
}
return node;
}
/* Walk the alias chain to return the function cgraph_node is alias of.
Walk through non virtual thunks, too. Thus we return either a function
or a virtual thunk node.
- When AVAILABILITY is non-NULL, get minimal availability in the chain. */
+ When AVAILABILITY is non-NULL, get minimal availability in the chain.
+ When REF is non-NULL, assume that reference happens in symbol REF
+ when determining the availability. */
cgraph_node *
cgraph_node::function_or_virtual_thunk_symbol
- (enum availability *availability)
+ (enum availability *availability,
+ struct symtab_node *ref)
{
- cgraph_node *node = ultimate_alias_target (availability);
+ cgraph_node *node = ultimate_alias_target (availability, ref);
while (node->thunk.thunk_p && !node->thunk.virtual_offset_p)
{
+ ref = node;
node = node->callees->callee;
if (availability)
{
enum availability a;
- a = node->get_availability ();
+ a = node->get_availability (ref);
if (a < *availability)
*availability = a;
}
- node = node->ultimate_alias_target (availability);
+ node = node->ultimate_alias_target (availability, ref);
}
return node;
}
opt_pass *saved_current_pass = current_pass;
FILE *saved_dump_file = dump_file;
const char *saved_dump_file_name = dump_file_name;
- int saved_dump_flags = dump_flags;
+ dump_flags_t saved_dump_flags = dump_flags;
dump_file_name = NULL;
+ dump_file = NULL;
push_cfun (DECL_STRUCT_FUNCTION (decl));
execute_all_ipa_transforms ();
return false;
}
+/* Expected frequency of executions within the function. */
+
+sreal
+cgraph_edge::sreal_frequency ()
+{
+ return count.to_sreal_scale (caller->global.inlined_to
+ ? caller->global.inlined_to->count
+ : caller->count);
+}
+
#include "gt-cgraph.h"
projects / gcc.git / blobdiff