Add NIOS2 support. Code from SourceyG++.

[pf3gnuchains/gcc-fork.git] / gcc / cgraph.c

diff --git a/gcc/cgraph.c b/gcc/cgraph.c
index 60effb0..424c3f2 100644 (file)
--- a/gcc/cgraph.c
+++ b/gcc/cgraph.c
@@ -96,7 +96,6 @@ The callgraph:
 #include "except.h"
 #include "diagnostic.h"
 #include "rtl.h"
-#include "ipa-utils.h"
 
 static void cgraph_node_remove_callers (struct cgraph_node *node);
 static inline void cgraph_edge_remove_caller (struct cgraph_edge *e);
@@ -464,7 +463,6 @@ cgraph_create_node (void)
   node->previous = NULL;
   node->global.estimated_growth = INT_MIN;
   node->frequency = NODE_FREQUENCY_NORMAL;
-  ipa_empty_ref_list (&node->ref_list);
   cgraph_nodes = node;
   cgraph_n_nodes++;
   return node;
@@ -1414,8 +1412,6 @@ cgraph_remove_node (struct cgraph_node *node)
   cgraph_call_node_removal_hooks (node);
   cgraph_node_remove_callers (node);
   cgraph_node_remove_callees (node);
-  ipa_remove_all_references (&node->ref_list);
-  ipa_remove_all_refering (&node->ref_list);
   VEC_free (ipa_opt_pass, heap,
             node->ipa_transforms_to_apply);
 
@@ -1643,16 +1639,9 @@ cgraph_mark_reachable_node (struct cgraph_node *node)
 {
   if (!node->reachable && node->local.finalized)
     {
-      if (cgraph_global_info_ready)
-        {
-         /* Verify that function does not appear to be needed out of blue
-            during the optimization process.  This can happen for extern
-            inlines when bodies was removed after inlining.  */
-         gcc_assert ((node->analyzed || DECL_EXTERNAL (node->decl)));
-       }
-      else
-        notice_global_symbol (node->decl);
+      notice_global_symbol (node->decl);
       node->reachable = 1;
+      gcc_assert (!cgraph_global_info_ready);
 
       node->next_needed = cgraph_nodes_queue;
       cgraph_nodes_queue = node;
@@ -1864,10 +1853,6 @@ dump_cgraph_node (FILE *f, struct cgraph_node *node)
        fprintf(f, "(can throw external) ");
     }
   fprintf (f, "\n");
-  fprintf (f, "  References: ");
-  ipa_dump_references (f, &node->ref_list);
-  fprintf (f, "  Refering this function: ");
-  ipa_dump_refering (f, &node->ref_list);
 
   for (edge = node->indirect_calls; edge; edge = edge->next_callee)
     indirect_calls_count++;
@@ -2096,7 +2081,6 @@ cgraph_clone_node (struct cgraph_node *n, gcov_type count, int freq,
   for (e = n->indirect_calls; e; e = e->next_callee)
     cgraph_clone_edge (e, new_node, e->call_stmt, e->lto_stmt_uid,
                       count_scale, freq, loop_nest, update_original);
-  ipa_clone_references (new_node, NULL, &n->ref_list);
 
   new_node->next_sibling_clone = n->clones;
   if (n->clones)
@@ -2147,8 +2131,6 @@ cgraph_create_virtual_clone (struct cgraph_node *old_node,
   struct cgraph_node *new_node = NULL;
   tree new_decl;
   struct cgraph_node key, **slot;
-  size_t i;
-  struct ipa_replace_map *map;
 
   gcc_assert  (tree_versionable_function_p (old_decl));
 
@@ -2180,26 +2162,6 @@ cgraph_create_virtual_clone (struct cgraph_node *old_node,
   DECL_WEAK (new_node->decl) = 0;
   new_node->clone.tree_map = tree_map;
   new_node->clone.args_to_skip = args_to_skip;
-  for (i = 0; VEC_iterate (ipa_replace_map_p, tree_map, i, map); i++)
-    {
-      tree var = map->new_tree;
-
-      STRIP_NOPS (var);
-      if (TREE_CODE (var) != ADDR_EXPR)
-       continue;
-      var = get_base_var (var);
-      if (!var)
-       continue;
-
-      /* Record references of the future statement initializing the constant
-        argument.  */
-      if (TREE_CODE (var) == FUNCTION_DECL)
-       ipa_record_reference (new_node, NULL, cgraph_node (var),
-                             NULL, IPA_REF_ADDR, NULL);
-      else if (TREE_CODE (var) == VAR_DECL)
-       ipa_record_reference (new_node, NULL, NULL, varpool_node (var),
-                             IPA_REF_ADDR, NULL);
-    }
   if (!args_to_skip)
     new_node->clone.combined_args_to_skip = old_node->clone.combined_args_to_skip;
   else if (old_node->clone.combined_args_to_skip)
@@ -2387,7 +2349,7 @@ cgraph_add_new_function (tree fndecl, bool lowered)
 bool
 cgraph_node_can_be_local_p (struct cgraph_node *node)
 {
-  return (!node->needed && !node->address_taken
+  return (!node->needed
          && ((DECL_COMDAT (node->decl) && !node->same_comdat_group)
              || !node->local.externally_visible));
 }