ipa-cp.c (ipcp_analyze_node): New function.

	* ipa-cp.c (ipcp_analyze_node): New function.
	(ipcp_update_cloned_node): Use it.
	(ipcp_init_stage): Likewise.
	* ipa-inline.c (function_insertion_hook_holder): New static var.
	(analyze_function): Break out from ....
	(inline_generate_summary): Here; register insertion hook.
	(cgraph_decide_inlining): Remove hook.
	(add_new_function): New function.

From-SVN: r139536

gcc/ChangeLog

 2008-08-23  Jan Hubicka  <jh@suse.cz>
 
+	* ipa-cp.c (ipcp_analyze_node): New function.
+	(ipcp_update_cloned_node): Use it.
+	(ipcp_init_stage): Likewise.
+	* ipa-inline.c (function_insertion_hook_holder): New static var.
+	(analyze_function): Break out from ....
+	(inline_generate_summary): Here; register insertion hook.
+	(cgraph_decide_inlining): Remove hook.
+	(add_new_function): New function.
+
+2008-08-23  Jan Hubicka  <jh@suse.cz>
+
 	* opts.c (decode_options): Revert accidental change enabling ipa-cp.
 
 2008-08-23  Jan Hubicka  <jh@suse.cz>

gcc/ipa-cp.c

@@ -159,6 +159,18 @@ ipcp_init_cloned_node (struct cgraph_node *orig_node,
   ipa_create_param_decls_array (new_node);
 }
 
+/* Perform intraprocedrual analysis needed for ipcp.  */
+static void
+ipcp_analyze_node (struct cgraph_node *node)
+{
+  /* Unreachable nodes should have been eliminated before ipcp.  */
+  gcc_assert (node->needed || node->reachable);
+
+  ipa_count_formal_params (node);
+  ipa_create_param_decls_array (node);
+  ipa_detect_param_modifications (node);
+}
+
 /* Recompute all local information since node might've got new
    direct calls after clonning.  */
 static void
@@ -169,15 +181,13 @@ ipcp_update_cloned_node (struct cgraph_node *new_node)
   current_function_decl = new_node->decl;
   rebuild_cgraph_edges ();
 
+  /* Indirect inlinng rely on fact that we've already analyzed
+     the body..  */
   if (flag_indirect_inlining)
     {
       struct cgraph_edge *cs;
 
-      ipa_check_create_node_params ();
-      ipa_count_formal_params (new_node);
-      ipa_create_param_decls_array (new_node);
-      ipa_detect_param_modifications (new_node);
-      ipa_analyze_params_uses (new_node);
+      ipcp_analyze_node (new_node);
 
       for (cs = new_node->callees; cs; cs = cs->next_callee)
 	{
@@ -418,18 +428,12 @@ ipcp_init_stage (void)
   struct cgraph_edge *cs;
 
   for (node = cgraph_nodes; node; node = node->next)
-    {
-      if (!node->analyzed)
-	continue;
-      /* Unreachable nodes should have been eliminated before ipcp.  */
-      gcc_assert (node->needed || node->reachable);
-
-      ipa_count_formal_params (node);
-      ipa_create_param_decls_array (node);
-      ipcp_initialize_node_lattices (node);
-      ipa_detect_param_modifications (node);
-      ipcp_compute_node_scale (node);
-    }
+    if (node->analyzed)
+      {
+        ipcp_analyze_node (node);
+        ipcp_initialize_node_lattices (node);
+        ipcp_compute_node_scale (node);
+      }
   for (node = cgraph_nodes; node; node = node->next)
     {
       if (!node->analyzed)

gcc/ipa-inline.c

@@ -166,6 +166,9 @@ static int nfunctions_inlined;
 static int overall_insns;
 static gcov_type max_count;
 
+/* Holders of ipa cgraph hooks: */
+static struct cgraph_node_hook_list *function_insertion_hook_holder;
+
 static inline struct inline_summary *
 inline_summary (struct cgraph_node *node)
 {
@@ -1073,6 +1076,8 @@ cgraph_decide_inlining (void)
   int i;
   int initial_insns = 0;
 
+  cgraph_remove_function_insertion_hook (function_insertion_hook_holder);
+
   max_count = 0;
   for (node = cgraph_nodes; node; node = node->next)
     if (node->analyzed && (node->needed || node->reachable))
@@ -1657,12 +1662,34 @@ inline_indirect_intraprocedural_analysis (struct cgraph_node *node)
 
 /* Note function body size.  */
 static void
+analyze_function (struct cgraph_node *node)
+{
+  push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+  current_function_decl = node->decl;
+
+  compute_inline_parameters (node);
+  if (flag_indirect_inlining)
+    inline_indirect_intraprocedural_analysis (node);
+
+  current_function_decl = NULL;
+  pop_cfun ();
+}
+
+/* Called when new function is inserted to callgraph late.  */
+static void
+add_new_function (struct cgraph_node *node, void *data ATTRIBUTE_UNUSED)
+{
+  analyze_function (node);
+}
+
+/* Note function body size.  */
+static void
 inline_generate_summary (void)
 {
-  struct cgraph_node **order =
-    XCNEWVEC (struct cgraph_node *, cgraph_n_nodes);
-  int nnodes = cgraph_postorder (order);
-  int i;
+  struct cgraph_node *node;
+
+  function_insertion_hook_holder =
+      cgraph_add_function_insertion_hook (&add_new_function, NULL);
 
   if (flag_indirect_inlining)
     {
@@ -1671,27 +1698,10 @@ inline_generate_summary (void)
       ipa_check_create_edge_args ();
     }
 
-  for (i = nnodes - 1; i >= 0; i--)
-    {
-      struct cgraph_node *node = order[i];
-      
-      /* Allow possibly removed nodes to be garbage collected.  */
-      order[i] = NULL;
-      if (node->analyzed && (node->needed || node->reachable))
-	{
-	  push_cfun (DECL_STRUCT_FUNCTION (node->decl));
-	  current_function_decl = node->decl;
-	  compute_inline_parameters (node);
-
-	  if (flag_indirect_inlining)
-	    inline_indirect_intraprocedural_analysis (node);
-
-	  pop_cfun ();
-	}
-    }
+  for (node = cgraph_nodes; node; node = node->next)
+    if (node->analyzed)
+      analyze_function (node);
   
-  current_function_decl = NULL;
-  free (order);
   return;
 }