re PR ipa/64481 (r219076 breaks bootstrap (x86_64-unknown-linux-gnu))

	PR ipa/64481
	* ipa-inline-analysis.c (node_growth_cache): Remove.
	(initialize_growth_caches): Do not initialize it.
	(free_growth_caches): Do not free it.
	(do_estimate_growth): Rename to ...
	(estimate_growth): ... this one; drop growth cache code.
	(growth_likely_positive): Always go the heuristics way.
	* ipa-inline.c (can_inline_edge_p): Walk through aliases.
	(reset_edge_caches): Do not reset node growth.
	(heap_edge_removal_hook): Do not maintain cache.
	(inline_small_functions): Likewise; strenghten sanity check.
	(ipa_inline): Do not maintain caches.
	* ipa-inline.h (node_growth_cache): Remove.
	(do_estimate_growth): Remove to ...
	(estimate_growth): this one; remove inline version.
	(reset_node_growth_cache): Remove.

From-SVN: r219572

gcc/ChangeLog

 2015-01-13  Jan Hubicka  <hubicka@ucw.cz>
 
+	PR ipa/64481
+	* ipa-inline-analysis.c (node_growth_cache): Remove.
+	(initialize_growth_caches): Do not initialize it.
+	(free_growth_caches): Do not free it.
+	(do_estimate_growth): Rename to ...
+	(estimate_growth): ... this one; drop growth cache code.
+	(growth_likely_positive): Always go the heuristics way.
+	* ipa-inline.c (can_inline_edge_p): Walk through aliases.
+	(reset_edge_caches): Do not reset node growth.
+	(heap_edge_removal_hook): Do not maintain cache.
+	(inline_small_functions): Likewise; strenghten sanity check.
+	(ipa_inline): Do not maintain caches.
+	* ipa-inline.h (node_growth_cache): Remove.
+	(do_estimate_growth): Remove to ...
+	(estimate_growth): this one; remove inline version.
+	(reset_node_growth_cache): Remove.
+
+2015-01-13  Jan Hubicka  <hubicka@ucw.cz>
+
 	PR ipa/64565
 	* ipa-inline.c (inline_small_functions): Update callee keys after
 	resolving speculation

gcc/ipa-inline-analysis.c

@@ -167,7 +167,6 @@ function_summary <inline_summary *> *inline_summaries;
 vec<inline_edge_summary_t> inline_edge_summary_vec;
 
 /* Cached node/edge growths.  */
-vec<int> node_growth_cache;
 vec<edge_growth_cache_entry> edge_growth_cache;
 
 /* Edge predicates goes here.  */
@@ -1341,8 +1340,6 @@ initialize_growth_caches (void)
 {
   if (symtab->edges_max_uid)
     edge_growth_cache.safe_grow_cleared (symtab->edges_max_uid);
-  if (symtab->cgraph_max_uid)
-    node_growth_cache.safe_grow_cleared (symtab->cgraph_max_uid);
 }
 
 
@@ -1352,7 +1349,6 @@ void
 free_growth_caches (void)
 {
   edge_growth_cache.release ();
-  node_growth_cache.release ();
 }
 
 
@@ -3931,7 +3927,7 @@ do_estimate_growth_1 (struct cgraph_node *node, void *data)
 /* Estimate the growth caused by inlining NODE into all callees.  */
 
 int
-do_estimate_growth (struct cgraph_node *node)
+estimate_growth (struct cgraph_node *node)
 {
   struct growth_data d = { node, 0, false };
   struct inline_summary *info = inline_summaries->get (node);
@@ -3960,12 +3956,6 @@ do_estimate_growth (struct cgraph_node *node)
 		     + 50) / 100;
     }
 
-  if (node_growth_cache.exists ())
-    {
-      if ((int) node_growth_cache.length () <= node->uid)
-	node_growth_cache.safe_grow_cleared (symtab->cgraph_max_uid);
-      node_growth_cache[node->uid] = d.growth + (d.growth >= 0);
-    }
   return d.growth;
 }
 
@@ -3979,7 +3969,6 @@ bool
 growth_likely_positive (struct cgraph_node *node, int edge_growth ATTRIBUTE_UNUSED)
 {
   int max_callers;
-  int ret;
   struct cgraph_edge *e;
   gcc_checking_assert (edge_growth > 0);
 
@@ -3999,10 +3988,6 @@ growth_likely_positive (struct cgraph_node *node, int edge_growth ATTRIBUTE_UNUS
       || !node->can_remove_if_no_direct_calls_p ())
     return true;
 
-  /* If there is cached value, just go ahead.  */
-  if ((int)node_growth_cache.length () > node->uid
-      && (ret = node_growth_cache[node->uid]))
-    return ret > 0;
   if (!node->will_be_removed_from_program_if_no_direct_calls_p ()
       && (!DECL_COMDAT (node->decl)
 	  || !node->can_remove_if_no_direct_calls_p ()))

gcc/ipa-inline.c

@@ -388,11 +388,11 @@ can_inline_edge_p (struct cgraph_edge *e, bool report,
   else if (caller_tree != callee_tree)
     {
       if (((opt_for_fn (e->caller->decl, optimize)
-	    > opt_for_fn (e->callee->decl, optimize))
+	    > opt_for_fn (callee->decl, optimize))
 	    || (opt_for_fn (e->caller->decl, optimize_size)
-		!= opt_for_fn (e->callee->decl, optimize_size)))
+		!= opt_for_fn (callee->decl, optimize_size)))
 	  /* gcc.dg/pr43564.c.  Look at forced inline even in -O0.  */
-	  && !DECL_DISREGARD_INLINE_LIMITS (e->callee->decl))
+	  && !DECL_DISREGARD_INLINE_LIMITS (callee->decl))
 	{
 	  e->inline_failed = CIF_OPTIMIZATION_MISMATCH;
 	  inlinable = false;
@@ -1095,9 +1095,6 @@ reset_edge_caches (struct cgraph_node *node)
   if (where->global.inlined_to)
     where = where->global.inlined_to;
 
-  /* WHERE body size has changed, the cached growth is invalid.  */
-  reset_node_growth_cache (where);
-
   for (edge = where->callers; edge; edge = edge->next_caller)
     if (edge->inline_failed)
       reset_edge_growth_cache (edge);
@@ -1428,8 +1425,6 @@ add_new_edges_to_heap (edge_heap_t *heap, vec<cgraph_edge *> new_edges)
 static void
 heap_edge_removal_hook (struct cgraph_edge *e, void *data)
 {
-  if (e->callee)
-    reset_node_growth_cache (e->callee);
   if (e->aux)
     {
       ((edge_heap_t *)data)->delete_node ((edge_heap_node_t *)e->aux);
@@ -1622,7 +1617,6 @@ inline_small_functions (void)
 	  struct cgraph_node *where = node->global.inlined_to
 				      ? node->global.inlined_to : node;
 	  inline_update_overall_summary (where);
-          reset_node_growth_cache (where);
 	  reset_edge_caches (where);
           update_caller_keys (&edge_heap, where,
 			      updated_nodes, NULL);
@@ -1653,8 +1647,15 @@ inline_small_functions (void)
 #ifdef ENABLE_CHECKING
       /* Be sure that caches are maintained consistent.  */
       sreal cached_badness = edge_badness (edge, false);
+ 
+      int old_size_est = estimate_edge_size (edge);
+      int old_time_est = estimate_edge_time (edge);
+      int old_hints_est = estimate_edge_hints (edge);
+
       reset_edge_growth_cache (edge);
-      reset_node_growth_cache (edge->callee);
+      gcc_assert (old_size_est == estimate_edge_size (edge));
+      gcc_assert (old_time_est == estimate_edge_time (edge));
+      gcc_assert (old_hints_est == estimate_edge_hints (edge));
 
       /* When updating the edge costs, we only decrease badness in the keys.
 	 Increases of badness are handled lazilly; when we see key with out
@@ -1785,8 +1786,7 @@ inline_small_functions (void)
 	  inline_call (edge, true, &new_indirect_edges, &overall_size, true);
 	  add_new_edges_to_heap (&edge_heap, new_indirect_edges);
 
-	  reset_edge_caches (edge->callee);
-          reset_node_growth_cache (callee);
+	  reset_edge_caches (edge->callee->function_symbol ());
 
 	  update_callee_keys (&edge_heap, where, updated_nodes);
 	}
@@ -2218,7 +2218,6 @@ ipa_inline (void)
 	    {
 	      struct cgraph_node *where = node->global.inlined_to
 					  ? node->global.inlined_to : node;
-              reset_node_growth_cache (where);
 	      reset_edge_caches (where);
 	      inline_update_overall_summary (where);
 	    }

gcc/ipa-inline.h

@@ -224,7 +224,6 @@ struct edge_growth_cache_entry
   inline_hints hints;
 };
 
-extern vec<int> node_growth_cache;
 extern vec<edge_growth_cache_entry> edge_growth_cache;
 
 /* In ipa-inline-analysis.c  */
@@ -245,7 +244,7 @@ void estimate_ipcp_clone_size_and_time (struct cgraph_node *,
 					vec<ipa_polymorphic_call_context>,
 					vec<ipa_agg_jump_function_p>,
 					int *, int *, inline_hints *);
-int do_estimate_growth (struct cgraph_node *);
+int estimate_growth (struct cgraph_node *);
 bool growth_likely_positive (struct cgraph_node *, int);
 void inline_merge_summary (struct cgraph_edge *edge);
 void inline_update_overall_summary (struct cgraph_node *node);
@@ -274,21 +273,6 @@ inline_edge_summary (struct cgraph_edge *edge)
   return &inline_edge_summary_vec[edge->uid];
 }
 
-/* Return estimated unit growth after inlning all calls to NODE.
-   Quick accesors to the inline growth caches.  
-   For convenience we keep zero 0 as unknown.  Because growth
-   can be both positive and negative, we simply increase positive
-   growths by 1. */
-static inline int
-estimate_growth (struct cgraph_node *node)
-{
-  int ret;
-  if ((int)node_growth_cache.length () <= node->uid
-      || !(ret = node_growth_cache[node->uid]))
-    return do_estimate_growth (node);
-  return ret - (ret > 0);
-}
-
 
 /* Return estimated size of the inline sequence of EDGE.  */
 
@@ -342,16 +326,6 @@ estimate_edge_hints (struct cgraph_edge *edge)
   return ret - 1;
 }
 
-
-/* Reset cached value for NODE.  */
-
-static inline void
-reset_node_growth_cache (struct cgraph_node *node)
-{
-  if ((int)node_growth_cache.length () > node->uid)
-    node_growth_cache[node->uid] = 0;
-}
-
 /* Reset cached value for EDGE.  */
 
 static inline void