Come up with constructors of symtab_node, cgraph_node and varpool_node.

2019-12-09  Martin Liska  <mliska@suse.cz>

	PR ipa/92737
	* cgraph.c (symbol_table_test::symbol_table_test): Fix
	coding style.
	* cgraph.h (symtab_node::symtab_node): New constructor.
	(cgraph_node::cgraph_node): Likewise.
	(varpool_node::varpool_node): Likewise.
	(symbol_table::allocate_cgraph_symbol): Use newly
	created constructor.
	(symbol_table::allocate_cgraph_symbol): Remove.
	* cgraphunit.c (symtab_terminator): Likewise.
	* varpool.c (varpool_node::create_empty): Use newly
	created constructor.

From-SVN: r279109

gcc/ChangeLog

+2019-12-09  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/92737
+	* cgraph.c (symbol_table_test::symbol_table_test): Fix
+	coding style.
+	* cgraph.h (symtab_node::symtab_node): New constructor.
+	(cgraph_node::cgraph_node): Likewise.
+	(varpool_node::varpool_node): Likewise.
+	(symbol_table::allocate_cgraph_symbol): Use newly
+	created constructor.
+	(symbol_table::allocate_cgraph_symbol): Remove.
+	* cgraphunit.c (symtab_terminator): Likewise.
+	* varpool.c (varpool_node::create_empty): Use newly
+	created constructor.
+
 2019-12-09  Hongtao Liu  <hongtao.liu@intel.com>
 
 	PR target/92686

gcc/cgraph.c

@@ -283,14 +283,8 @@ symbol_table::initialize (void)
 cgraph_node *
 symbol_table::create_empty (void)
 {
-  cgraph_node *node = allocate_cgraph_symbol ();
-
-  node->type = SYMTAB_FUNCTION;
-  node->frequency = NODE_FREQUENCY_NORMAL;
-  node->count_materialization_scale = REG_BR_PROB_BASE;
   cgraph_count++;
-
-  return node;
+  return new (ggc_alloc<cgraph_node> ()) cgraph_node (cgraph_max_uid++);
 }
 
 /* Register HOOK to be called with DATA on each removed edge.  */
@@ -510,8 +504,6 @@ cgraph_node::create (tree decl)
 
   node->decl = decl;
 
-  node->count = profile_count::uninitialized ();
-
   if ((flag_openacc || flag_openmp)
       && lookup_attribute ("omp declare target", DECL_ATTRIBUTES (decl)))
     {
@@ -3750,7 +3742,7 @@ symbol_table_test::symbol_table_test ()
 {
   gcc_assert (saved_symtab == NULL);
   saved_symtab = symtab;
-  symtab = new (ggc_alloc <symbol_table> ()) symbol_table ();
+  symtab = new (ggc_alloc<symbol_table> ()) symbol_table ();
 }
 
 /* Destructor.  Restore the old value of symtab.  */

gcc/cgraph.h

@@ -109,6 +109,23 @@ struct GTY((desc ("%h.type"), tag ("SYMTAB_SYMBOL"),
 public:
   friend class symbol_table;
 
+  /* Constructor.  */
+  explicit symtab_node (symtab_type t)
+    : type (t), resolution (LDPR_UNKNOWN), definition (false), alias (false),
+      transparent_alias (false), weakref (false), cpp_implicit_alias (false),
+      symver (false), analyzed (false), writeonly (false),
+      refuse_visibility_changes (false), externally_visible (false),
+      no_reorder (false), force_output (false), forced_by_abi (false),
+      unique_name (false), implicit_section (false), body_removed (false),
+      used_from_other_partition (false), in_other_partition (false),
+      address_taken (false), in_init_priority_hash (false),
+      need_lto_streaming (false), offloadable (false), ifunc_resolver (false),
+      order (false), next_sharing_asm_name (NULL),
+      previous_sharing_asm_name (NULL), same_comdat_group (NULL), ref_list (),
+      alias_target (NULL), lto_file_data (NULL), aux (NULL),
+      x_comdat_group (NULL_TREE), x_section (NULL)
+  {}
+
   /* Return name.  */
   const char *name () const;
 
@@ -901,6 +918,28 @@ struct GTY((tag ("SYMTAB_FUNCTION"))) cgraph_node : public symtab_node
 {
   friend class symbol_table;
 
+  /* Constructor.  */
+  explicit cgraph_node (int uid)
+    : symtab_node (SYMTAB_FUNCTION), callees (NULL), callers (NULL),
+      indirect_calls (NULL), origin (NULL), nested (NULL), next_nested (NULL),
+      next_sibling_clone (NULL), prev_sibling_clone (NULL), clones (NULL),
+      clone_of (NULL), call_site_hash (NULL), former_clone_of (NULL),
+      simdclone (NULL), simd_clones (NULL), ipa_transforms_to_apply (vNULL),
+      inlined_to (NULL), rtl (NULL), clone (), thunk (),
+      count (profile_count::uninitialized ()), tp_first_run (false),
+      count_materialization_scale (REG_BR_PROB_BASE), profile_id (0),
+      unit_id (0), used_as_abstract_origin (false),
+      lowered (false), process (false), frequency (NODE_FREQUENCY_NORMAL),
+      only_called_at_startup (false), only_called_at_exit (false),
+      tm_clone (false), dispatcher_function (false), calls_comdat_local (false),
+      icf_merged (false), nonfreeing_fn (false), merged_comdat (false),
+      merged_extern_inline (false), parallelized_function (false),
+      split_part (false), indirect_call_target (false), local (false),
+      versionable (false), can_change_signature (false),
+      redefined_extern_inline (false), tm_may_enter_irr (false),
+      ipcp_clone (false), m_uid (uid), m_summary_id (-1)
+  {}
+
   /* Remove the node from cgraph and all inline clones inlined into it.
      Skip however removal of FORBIDDEN_NODE and return true if it needs to be
      removed.  This allows to call the function from outer loop walking clone
@@ -1877,6 +1916,12 @@ private:
 
 struct GTY((tag ("SYMTAB_VARIABLE"))) varpool_node : public symtab_node
 {
+  /* Constructor.  */
+  explicit varpool_node ()
+    : symtab_node (SYMTAB_VARIABLE), output (0), dynamically_initialized (0),
+      tls_model (TLS_MODEL_NONE), used_by_single_function (0)
+  {}
+
   /* Dump given varpool node to F.  */
   void dump (FILE *f);
 
@@ -2389,9 +2434,6 @@ public:
   hash_set <const cgraph_node *> GTY ((skip)) cloned_nodes;
 
 private:
-  /* Allocate new callgraph node.  */
-  inline cgraph_node * allocate_cgraph_symbol (void);
-
   /* Allocate a cgraph_edge structure and fill it with data according to the
      parameters of which only CALLEE can be NULL (when creating an indirect
      call edge).  CLONING_P should be set if properties that are copied from an
@@ -2717,21 +2759,6 @@ symbol_table::release_symbol (cgraph_node *node)
   ggc_free (node);
 }
 
-/* Allocate new callgraph node.  */
-
-inline cgraph_node *
-symbol_table::allocate_cgraph_symbol (void)
-{
-  cgraph_node *node;
-
-  node = ggc_cleared_alloc<cgraph_node> ();
-  node->type = SYMTAB_FUNCTION;
-  node->m_summary_id = -1;
-  node->m_uid = cgraph_max_uid++;
-  return node;
-}
-
-
 /* Return first static symbol with definition.  */
 inline symtab_node *
 symbol_table::first_symbol (void)

gcc/cgraphunit.c

@@ -274,7 +274,7 @@ symtab_node::needed_p (void)
 /* Head and terminator of the queue of nodes to be processed while building
    callgraph.  */
 
-static symtab_node symtab_terminator;
+static symtab_node symtab_terminator (SYMTAB_SYMBOL);
 static symtab_node *queued_nodes = &symtab_terminator;
 
 /* Add NODE to queue starting at QUEUED_NODES. 

gcc/varpool.c

@@ -133,10 +133,8 @@ symbol_table::call_varpool_insertion_hooks (varpool_node *node)
 
 varpool_node *
 varpool_node::create_empty (void)
-{   
-  varpool_node *node = ggc_cleared_alloc<varpool_node> ();
-  node->type = SYMTAB_VARIABLE;
-  return node;
+{
+  return new (ggc_alloc<varpool_node> ()) varpool_node ();
 }   
 
 /* Return varpool node assigned to DECL.  Create new one when needed.  */