[PATCH 14/14] Come up with cgraph_node::get_uid and make cgraph_node::uid private.

Jan Hubicka hubicka@ucw.cz
Thu Jun 7 12:59:00 GMT 2018


> 
> gcc/ChangeLog:
> 
> 2018-04-24  Martin Liska  <mliska@suse.cz>
> 
> 	* cgraph.c (function_version_hasher::hash): Use
> 	cgraph_node::get_uid ().
> 	(function_version_hasher::equal):
> 	* cgraph.h (cgraph_node::get_uid): New method.
> 	* ipa-inline.c (update_caller_keys): Use
> 	cgraph_node::get_uid ().
> 	(update_callee_keys): Likewise.
> 	* ipa-utils.c (searchc): Likewise.
> 	(ipa_reduced_postorder): Likewise.
> 	* lto-cgraph.c (input_node): Likewise.
> 	* passes.c (is_pass_explicitly_enabled_or_disabled): Likewise.
> 	* symbol-summary.h (symtab_insertion): Likewise.
> 	(symtab_removal): Likewise.
> 	(symtab_duplication): Likewise.
> 	* tree-pretty-print.c (dump_function_header): Likewise.
> 	* tree-sra.c (convert_callers_for_node): Likewise.

OK

Honza
> ---
>  gcc/cgraph.c            |  4 ++--
>  gcc/cgraph.h            | 17 ++++++++++++++---
>  gcc/ipa-inline.c        |  4 ++--
>  gcc/ipa-utils.c         |  4 ++--
>  gcc/lto-cgraph.c        |  2 +-
>  gcc/passes.c            |  8 ++++----
>  gcc/symbol-summary.h    | 14 +++++++-------
>  gcc/tree-pretty-print.c |  2 +-
>  gcc/tree-sra.c          |  2 +-
>  9 files changed, 34 insertions(+), 23 deletions(-)
> 

> diff --git a/gcc/cgraph.c b/gcc/cgraph.c
> index 572c775c14c..e7c9632a8c8 100644
> --- a/gcc/cgraph.c
> +++ b/gcc/cgraph.c
> @@ -121,7 +121,7 @@ static GTY(()) hash_table<function_version_hasher> *cgraph_fnver_htab = NULL;
>  hashval_t
>  function_version_hasher::hash (cgraph_function_version_info *ptr)
>  {
> -  int uid = ptr->this_node->uid;
> +  int uid = ptr->this_node->get_uid ();
>    return (hashval_t)(uid);
>  }
>  
> @@ -130,7 +130,7 @@ bool
>  function_version_hasher::equal (cgraph_function_version_info *n1,
>  			       	cgraph_function_version_info *n2)
>  {
> -  return n1->this_node->uid == n2->this_node->uid;
> +  return n1->this_node->get_uid () == n2->this_node->get_uid ();
>  }
>  
>  /* Mark as GC root all allocated nodes.  */
> diff --git a/gcc/cgraph.h b/gcc/cgraph.h
> index 1966893343d..a10ea04ef0d 100644
> --- a/gcc/cgraph.h
> +++ b/gcc/cgraph.h
> @@ -97,6 +97,8 @@ class GTY((desc ("%h.type"), tag ("SYMTAB_SYMBOL"),
>    symtab_node
>  {
>  public:
> +  friend class symbol_table;
> +
>    /* Return name.  */
>    const char *name () const;
>  
> @@ -890,6 +892,8 @@ struct cgraph_edge_hasher : ggc_ptr_hash<cgraph_edge>
>  
>  struct GTY((tag ("SYMTAB_FUNCTION"))) cgraph_node : public symtab_node {
>  public:
> +  friend class symbol_table;
> +
>    /* 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
> @@ -1268,6 +1272,12 @@ public:
>      dump_cgraph (stderr);
>    }
>  
> +  /* Get unique identifier of the node.  */
> +  inline int get_uid ()
> +  {
> +    return m_uid;
> +  }
> +
>    /* Record that DECL1 and DECL2 are semantically identical function
>       versions.  */
>    static void record_function_versions (tree decl1, tree decl2);
> @@ -1394,8 +1404,6 @@ public:
>    /* How to scale counts at materialization time; used to merge
>       LTO units with different number of profile runs.  */
>    int count_materialization_scale;
> -  /* Unique id of the node.  */
> -  int uid;
>    /* ID assigned by the profiling.  */
>    unsigned int profile_id;
>    /* Time profiler: first run of function.  */
> @@ -1445,6 +1453,9 @@ public:
>    unsigned indirect_call_target : 1;
>  
>  private:
> +  /* Unique id of the node.  */
> +  int m_uid;
> +
>    /* Worker for call_for_symbol_and_aliases.  */
>    bool call_for_symbol_and_aliases_1 (bool (*callback) (cgraph_node *,
>  						        void *),
> @@ -2629,7 +2640,7 @@ symbol_table::allocate_cgraph_symbol (void)
>    else
>      node = ggc_cleared_alloc<cgraph_node> ();
>  
> -  node->uid = cgraph_max_uid++;
> +  node->m_uid = cgraph_max_uid++;
>    return node;
>  }
>  
> diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c
> index 97164716af8..9d22d208f3d 100644
> --- a/gcc/ipa-inline.c
> +++ b/gcc/ipa-inline.c
> @@ -1337,7 +1337,7 @@ update_caller_keys (edge_heap_t *heap, struct cgraph_node *node,
>    if ((!node->alias && !ipa_fn_summaries->get_create (node)->inlinable)
>        || node->global.inlined_to)
>      return;
> -  if (!bitmap_set_bit (updated_nodes, node->uid))
> +  if (!bitmap_set_bit (updated_nodes, node->get_uid ()))
>      return;
>  
>    FOR_EACH_ALIAS (node, ref)
> @@ -1395,7 +1395,7 @@ update_callee_keys (edge_heap_t *heap, struct cgraph_node *node,
>  	    && (callee = e->callee->ultimate_alias_target (&avail, e->caller))
>  	    && ipa_fn_summaries->get_create (callee)->inlinable
>  	    && avail >= AVAIL_AVAILABLE
> -	    && !bitmap_bit_p (updated_nodes, callee->uid))
> +	    && !bitmap_bit_p (updated_nodes, callee->get_uid ()))
>  	  {
>  	    if (can_inline_edge_p (e, false)
>  		&& want_inline_small_function_p (e, false)
> diff --git a/gcc/ipa-utils.c b/gcc/ipa-utils.c
> index aa586f5feb2..9985721f7da 100644
> --- a/gcc/ipa-utils.c
> +++ b/gcc/ipa-utils.c
> @@ -86,7 +86,7 @@ searchc (struct searchc_env* env, struct cgraph_node *v,
>  
>    /* mark node as old */
>    v_info->new_node = false;
> -  splay_tree_remove (env->nodes_marked_new, v->uid);
> +  splay_tree_remove (env->nodes_marked_new, v->get_uid ());
>  
>    v_info->dfn_number = env->count;
>    v_info->low_link = env->count;
> @@ -195,7 +195,7 @@ ipa_reduced_postorder (struct cgraph_node **order,
>  	  node->aux = info;
>  
>  	  splay_tree_insert (env.nodes_marked_new,
> -			     (splay_tree_key)node->uid,
> +			     (splay_tree_key)node->get_uid (),
>  			     (splay_tree_value)node);
>  	}
>        else
> diff --git a/gcc/lto-cgraph.c b/gcc/lto-cgraph.c
> index dcd5391012c..90a77028bcc 100644
> --- a/gcc/lto-cgraph.c
> +++ b/gcc/lto-cgraph.c
> @@ -1292,7 +1292,7 @@ input_node (struct lto_file_decl_data *file_data,
>       functions, they are expected to be read more than once.  */
>    if (node->aux && !DECL_BUILT_IN (node->decl))
>      internal_error ("bytecode stream: found multiple instances of cgraph "
> -		    "node with uid %d", node->uid);
> +		    "node with uid %d", node->get_uid ());
>  
>    node->tp_first_run = streamer_read_uhwi (ib);
>  
> diff --git a/gcc/passes.c b/gcc/passes.c
> index ee9c09e9a79..39638a33cd6 100644
> --- a/gcc/passes.c
> +++ b/gcc/passes.c
> @@ -1208,7 +1208,7 @@ is_pass_explicitly_enabled_or_disabled (opt_pass *pass,
>    if (!slot)
>      return false;
>  
> -  cgraph_uid = func ? cgraph_node::get (func)->uid : 0;
> +  cgraph_uid = func ? cgraph_node::get (func)->get_uid () : 0;
>    if (func && DECL_ASSEMBLER_NAME_SET_P (func))
>      aname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (func));
>  
> @@ -1673,7 +1673,7 @@ do_per_function (void (*callback) (function *, void *data), void *data)
>  static int nnodes;
>  static GTY ((length ("nnodes"))) cgraph_node **order;
>  
> -#define uid_hash_t hash_set<int_hash <int, 0, -1>>
> +#define uid_hash_t hash_set<int_hash <int, 0, -1> >
>  
>  /* Hook called when NODE is removed and therefore should be
>     excluded from order vector.  DATA is a hash set with removed nodes.  */
> @@ -1682,7 +1682,7 @@ static void
>  remove_cgraph_node_from_order (cgraph_node *node, void *data)
>  {
>    uid_hash_t *removed_nodes = (uid_hash_t *)data;
> -  removed_nodes->add (node->uid);
> +  removed_nodes->add (node->get_uid ());
>  }
>  
>  /* If we are in IPA mode (i.e., current_function_decl is NULL), call
> @@ -1713,7 +1713,7 @@ do_per_function_toporder (void (*callback) (function *, void *data), void *data)
>  	  cgraph_node *node = order[i];
>  
>  	  /* Function could be inlined and removed as unreachable.  */
> -	  if (node == NULL || removed_nodes.contains (node->uid))
> +	  if (node == NULL || removed_nodes.contains (node->get_uid ()))
>  	    continue;
>  
>  	  /* Allow possibly removed nodes to be garbage collected.  */
> diff --git a/gcc/symbol-summary.h b/gcc/symbol-summary.h
> index 8c80f309372..ebf4b175e71 100644
> --- a/gcc/symbol-summary.h
> +++ b/gcc/symbol-summary.h
> @@ -90,13 +90,13 @@ public:
>       does not exist it will be created.  */
>    T* get_create (cgraph_node *node)
>    {
> -    return get (node->uid, true);
> +    return get (node->get_uid (), true);
>    }
>  
>    /* Getter for summary callgraph node pointer.  */
>    T* get (cgraph_node *node)
>    {
> -    return get (node->uid, false);
> +    return get (node->get_uid (), false);
>    }
>  
>    /* Return number of elements handled by data structure.  */
> @@ -108,7 +108,7 @@ public:
>    /* Return true if a summary for the given NODE already exists.  */
>    bool exists (cgraph_node *node)
>    {
> -    return m_map.get (node->uid) != NULL;
> +    return m_map.get (node->get_uid ()) != NULL;
>    }
>  
>    /* Enable insertion hook invocation.  */
> @@ -216,7 +216,7 @@ template <typename T>
>  void
>  function_summary<T *>::symtab_insertion (cgraph_node *node, void *data)
>  {
> -  gcc_checking_assert (node->uid);
> +  gcc_checking_assert (node->get_uid ());
>    function_summary *summary = (function_summary <T *> *) (data);
>  
>    if (summary->m_insertion_enabled)
> @@ -227,10 +227,10 @@ template <typename T>
>  void
>  function_summary<T *>::symtab_removal (cgraph_node *node, void *data)
>  {
> -  gcc_checking_assert (node->uid);
> +  gcc_checking_assert (node->get_uid ());
>    function_summary *summary = (function_summary <T *> *) (data);
>  
> -  int uid = node->uid;
> +  int uid = node->get_uid ();
>    T **v = summary->m_map.get (uid);
>  
>    if (v)
> @@ -256,7 +256,7 @@ function_summary<T *>::symtab_duplication (cgraph_node *node,
>      {
>        /* This load is necessary, because we insert a new value!  */
>        T *duplicate = summary->allocate_new ();
> -      summary->m_map.put (node2->uid, duplicate);
> +      summary->m_map.put (node2->get_uid (), duplicate);
>        summary->duplicate (node, node2, v, duplicate);
>      }
>  }
> diff --git a/gcc/tree-pretty-print.c b/gcc/tree-pretty-print.c
> index 276ad00a7b2..387d56fe42f 100644
> --- a/gcc/tree-pretty-print.c
> +++ b/gcc/tree-pretty-print.c
> @@ -4043,7 +4043,7 @@ dump_function_header (FILE *dump_file, tree fdecl, dump_flags_t flags)
>      fprintf (dump_file, ", decl_uid=%d", DECL_UID (fdecl));
>    if (node)
>      {
> -      fprintf (dump_file, ", cgraph_uid=%d", node->uid);
> +      fprintf (dump_file, ", cgraph_uid=%d", node->get_uid ());
>        fprintf (dump_file, ", symbol_order=%d)%s\n\n", node->order,
>                 node->frequency == NODE_FREQUENCY_HOT
>                 ? " (hot)"
> diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
> index 09d56d10e7f..494afd83046 100644
> --- a/gcc/tree-sra.c
> +++ b/gcc/tree-sra.c
> @@ -5279,7 +5279,7 @@ convert_callers_for_node (struct cgraph_node *node,
>      }
>  
>    for (cs = node->callers; cs; cs = cs->next_caller)
> -    if (bitmap_set_bit (recomputed_callers, cs->caller->uid)
> +    if (bitmap_set_bit (recomputed_callers, cs->caller->get_uid ())
>  	&& gimple_in_ssa_p (DECL_STRUCT_FUNCTION (cs->caller->decl)))
>        compute_fn_summary (cs->caller, true);
>    BITMAP_FREE (recomputed_callers);



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