re PR ipa/60243 (IPA is slow on large cgraph tree)

2014-02-19  Richard Biener  <rguenther@suse.de>

	PR ipa/60243
	* tree-inline.c (estimate_num_insns): Avoid calling cgraph_get_node
	for all calls.

From-SVN: r207899

gcc/ChangeLog

 2014-02-19  Richard Biener  <rguenther@suse.de>
 
 	PR ipa/60243
+	* tree-inline.c (estimate_num_insns): Avoid calling cgraph_get_node
+	for all calls.
+
+2014-02-19  Richard Biener  <rguenther@suse.de>
+
+	PR ipa/60243
 	* ipa-prop.c: Include stringpool.h and tree-ssanames.h.
 	(ipa_modify_call_arguments): Emit an argument load explicitely and
 	preserve virtual SSA form there and for the replacement call.

gcc/tree-inline.c

@@ -3824,14 +3824,16 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
     case GIMPLE_CALL:
       {
 	tree decl;
-	struct cgraph_node *node = NULL;
 
-	/* Do not special case builtins where we see the body.
-	   This just confuse inliner.  */
 	if (gimple_call_internal_p (stmt))
 	  return 0;
-	else if (!(decl = gimple_call_fndecl (stmt))
-		 || !(node = cgraph_get_node (decl))
+	else if ((decl = gimple_call_fndecl (stmt))
+		 && DECL_BUILT_IN (decl))
+	  {
+	    /* Do not special case builtins where we see the body.
+	       This just confuse inliner.  */
+	    struct cgraph_node *node;
+	    if (!(node = cgraph_get_node (decl))
 		|| node->definition)
 	      ;
 	    /* For buitins that are likely expanded to nothing or
@@ -3853,8 +3855,8 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
 		      if (TREE_CODE (gimple_call_arg (stmt, 1)) == REAL_CST
 			  && REAL_VALUES_EQUAL
 			  (TREE_REAL_CST (gimple_call_arg (stmt, 1)), dconst2))
-		    return estimate_operator_cost (MULT_EXPR, weights,
-						   gimple_call_arg (stmt, 0),
+			return estimate_operator_cost
+			    (MULT_EXPR, weights, gimple_call_arg (stmt, 0),
 			     gimple_call_arg (stmt, 0));
 		      break;
 
@@ -3862,8 +3864,9 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
 		      break;
 		  }
 	      }
+	  }
 
-	cost = node ? weights->call_cost : weights->indirect_call_cost;
+	cost = decl ? weights->call_cost : weights->indirect_call_cost;
 	if (gimple_call_lhs (stmt))
 	  cost += estimate_move_cost (TREE_TYPE (gimple_call_lhs (stmt)));
 	for (i = 0; i < gimple_call_num_args (stmt); i++)