cgraph.c (dump_cgraph_node): Add replace output flag by process.

* cgraph.c (dump_cgraph_node): Add replace output flag by process.
	* cgraph.h (cgraph_node): Likewise.
	* cgraphunit.c (cgraph_process_new_functions): Set process flag.
	(cgraph_reset_node): Use process flag.
	(cgraph_mark_functions_to_output): Likewise.
	(cgraph_expand_function): Likewise.
	(cgraph_expand_all_functions): Likewise.
	(cgraph_output_in_order): Likewise.
	* dwarf2out.c (reference_to_unused): Likewise.
	* passes.c do_per_function_toporder): Likewise.

From-SVN: r145178

gcc/ChangeLog

@@ -1,3 +1,16 @@
+2009-03-28  Jan Hubicka  <jh@suse.cz>
+
+	* cgraph.c (dump_cgraph_node): Add replace output flag by process.
+	* cgraph.h (cgraph_node): Likewise.
+	* cgraphunit.c (cgraph_process_new_functions): Set process flag.
+	(cgraph_reset_node): Use process flag.
+	(cgraph_mark_functions_to_output): Likewise.
+	(cgraph_expand_function): Likewise.
+	(cgraph_expand_all_functions): Likewise.
+	(cgraph_output_in_order): Likewise.
+	* dwarf2out.c (reference_to_unused): Likewise.
+	* passes.c do_per_function_toporder): Likewise.
+
 2009-03-28  Jan Hubicka  <jh@suse.cz>
 
 	Bring from lto-branch:

gcc/cgraph.c

@@ -1168,8 +1168,8 @@ dump_cgraph_node (FILE *f, struct cgraph_node *node)
     fprintf (f, " reachable");
   if (gimple_has_body_p (node->decl))
     fprintf (f, " body");
-  if (node->output)
-    fprintf (f, " output");
+  if (node->process)
+    fprintf (f, " process");
   if (node->local.local)
     fprintf (f, " local");
   if (node->local.externally_visible)

gcc/cgraph.h

@@ -178,8 +178,8 @@ struct cgraph_node GTY((chain_next ("%h.next"), chain_prev ("%h.previous")))
   /* Set once the function has been instantiated and its callee
      lists created.  */
   unsigned analyzed : 1;
-  /* Set when function is scheduled to be assembled.  */
-  unsigned output : 1;
+  /* Set when function is scheduled to be processed by local passes.  */
+  unsigned process : 1;
   /* Set for aliases once they got through assemble_alias.  */
   unsigned alias : 1;
 

gcc/cgraphunit.c

@@ -426,7 +426,7 @@ cgraph_process_new_functions (void)
 	case CGRAPH_STATE_EXPANSION:
 	  /* Functions created during expansion shall be compiled
 	     directly.  */
-	  node->output = 0;
+	  node->process = 0;
 	  cgraph_expand_function (node);
 	  break;
 
@@ -452,12 +452,12 @@ cgraph_process_new_functions (void)
 static void
 cgraph_reset_node (struct cgraph_node *node)
 {
-  /* If node->output is set, then we have already begun whole-unit analysis.
+  /* If node->process is set, then we have already begun whole-unit analysis.
      This is *not* testing for whether we've already emitted the function.
      That case can be sort-of legitimately seen with real function redefinition
      errors.  I would argue that the front end should never present us with
      such a case, but don't enforce that for now.  */
-  gcc_assert (!node->output);
+  gcc_assert (!node->process);
 
   /* Reset our data structures so we can analyze the function again.  */
   memset (&node->local, 0, sizeof (node->local));
@@ -990,7 +990,7 @@ cgraph_mark_functions_to_output (void)
       tree decl = node->decl;
       struct cgraph_edge *e;
 
-      gcc_assert (!node->output);
+      gcc_assert (!node->process);
 
       for (e = node->callers; e; e = e->next_caller)
 	if (e->inline_failed)
@@ -1005,7 +1005,7 @@ cgraph_mark_functions_to_output (void)
 	      || (e && node->reachable))
 	  && !TREE_ASM_WRITTEN (decl)
 	  && !DECL_EXTERNAL (decl))
-	node->output = 1;
+	node->process = 1;
       else
 	{
 	  /* We should've reclaimed all functions that are not needed.  */
@@ -1038,6 +1038,7 @@ cgraph_expand_function (struct cgraph_node *node)
   gcc_assert (!node->global.inlined_to);
 
   announce_function (decl);
+  node->process = 0;
 
   gcc_assert (node->lowered);
 
@@ -1093,16 +1094,16 @@ cgraph_expand_all_functions (void)
   /* Garbage collector may remove inline clones we eliminate during
      optimization.  So we must be sure to not reference them.  */
   for (i = 0; i < order_pos; i++)
-    if (order[i]->output)
+    if (order[i]->process)
       order[new_order_pos++] = order[i];
 
   for (i = new_order_pos - 1; i >= 0; i--)
     {
       node = order[i];
-      if (node->output)
+      if (node->process)
 	{
 	  gcc_assert (node->reachable);
-	  node->output = 0;
+	  node->process = 0;
 	  cgraph_expand_function (node);
 	}
     }
@@ -1151,7 +1152,7 @@ cgraph_output_in_order (void)
 
   for (pf = cgraph_nodes; pf; pf = pf->next)
     {
-      if (pf->output)
+      if (pf->process)
 	{
 	  i = pf->order;
 	  gcc_assert (nodes[i].kind == ORDER_UNDEFINED);
@@ -1191,7 +1192,7 @@ cgraph_output_in_order (void)
       switch (nodes[i].kind)
 	{
 	case ORDER_FUNCTION:
-	  nodes[i].u.f->output = 0;
+	  nodes[i].u.f->process = 0;
 	  cgraph_expand_function (nodes[i].u.f);
 	  break;
 

gcc/dwarf2out.c

@@ -11319,7 +11319,7 @@ reference_to_unused (tree * tp, int * walk_subtrees,
 	   && (!DECL_EXTERNAL (*tp) || DECL_DECLARED_INLINE_P (*tp)))
     {
       struct cgraph_node *node = cgraph_node (*tp);
-      if (!node->output)
+      if (node->process || TREE_ASM_WRITTEN (*tp))
 	return *tp;
     }
   else if (TREE_CODE (*tp) == STRING_CST && !TREE_ASM_WRITTEN (*tp))

gcc/passes.c

@@ -877,12 +877,15 @@ do_per_function_toporder (void (*callback) (void *data), void *data)
       gcc_assert (!order);
       order = GGC_NEWVEC (struct cgraph_node *, cgraph_n_nodes);
       nnodes = cgraph_postorder (order);
+      for (i = nnodes - 1; i >= 0; i--)
+        order[i]->process = 1;
       for (i = nnodes - 1; i >= 0; i--)
 	{
 	  struct cgraph_node *node = order[i];
 
 	  /* Allow possibly removed nodes to be garbage collected.  */
 	  order[i] = NULL;
+	  node->process = 0;
 	  if (node->analyzed && (node->needed || node->reachable))
 	    {
 	      push_cfun (DECL_STRUCT_FUNCTION (node->decl));