ipa-prop.c (ipa_intraprocedural_devirtualization): Remove.

	* ipa-prop.c (ipa_intraprocedural_devirtualization): Remove.
	* ipa-prop.h (ipa_intraprocedural_devirtualization): Remove.
	* tree-ssa-prop.c (eliminate_dom_walker::before_dom_children):
	Remove.

From-SVN: r215628

gcc/ChangeLog

 2014-09-25  Jan Hubicka  <hubicka@ucw.cz>
 
+	* ipa-prop.c (ipa_intraprocedural_devirtualization): Remove.
+	* ipa-prop.h (ipa_intraprocedural_devirtualization): Remove.
+	* tree-ssa-prop.c (eliminate_dom_walker::before_dom_children):
+	Remove.
+
+2014-09-25  Jan Hubicka  <hubicka@ucw.cz>
+
 	* ipa-utils.h (subbinfo_with_vtable_at_offset, type_all_derivations_known_p,
 	type_known_to_have_no_deriavations_p, types_must_be_same_for_odr,
 	types_odr_comparable): Declare.

gcc/ipa-prop.c

@@ -2566,36 +2566,6 @@ ipa_analyze_node (struct cgraph_node *node)
   pop_cfun ();
 }
 
-/* Given a statement CALL which must be a GIMPLE_CALL calling an OBJ_TYPE_REF
-   attempt a type-based devirtualization.  If successful, return the
-   target function declaration, otherwise return NULL.  */
-
-tree
-ipa_intraprocedural_devirtualization (gimple call)
-{
-  tree binfo, token, fndecl;
-  struct ipa_jump_func jfunc;
-  tree otr = gimple_call_fn (call);
-
-  jfunc.type = IPA_JF_UNKNOWN;
-  compute_known_type_jump_func (OBJ_TYPE_REF_OBJECT (otr), &jfunc,
-				call, obj_type_ref_class (otr));
-  if (jfunc.type != IPA_JF_KNOWN_TYPE)
-    return NULL_TREE;
-  binfo = ipa_binfo_from_known_type_jfunc (&jfunc);
-  if (!binfo)
-    return NULL_TREE;
-  token = OBJ_TYPE_REF_TOKEN (otr);
-  fndecl = gimple_get_virt_method_for_binfo (tree_to_uhwi (token),
-					     binfo);
-#ifdef ENABLE_CHECKING
-  if (fndecl)
-    gcc_assert (possible_polymorphic_call_target_p
-		  (otr, call, cgraph_node::get (fndecl)));
-#endif
-  return fndecl;
-}
-
 /* Update the jump function DST when the call graph edge corresponding to SRC is
    is being inlined, knowing that DST is of type ancestor and src of known
    type.  */

gcc/ipa-prop.h

@@ -587,7 +587,6 @@ tree ipa_get_indirect_edge_target (struct cgraph_edge *ie,
 				   vec<ipa_agg_jump_function_p> );
 struct cgraph_edge *ipa_make_edge_direct_to_target (struct cgraph_edge *, tree);
 tree ipa_binfo_from_known_type_jfunc (struct ipa_jump_func *);
-tree ipa_intraprocedural_devirtualization (gimple);
 tree ipa_impossible_devirt_target (struct cgraph_edge *, tree);
 
 /* Functions related to both.  */

gcc/tree-ssa-pre.c

@@ -4314,8 +4314,6 @@ eliminate_dom_walker::before_dom_children (basic_block b)
 		  gimple_call_set_fndecl (stmt, fn);
 		  gimple_set_modified (stmt, true);
 		}
-	      else
-	        gcc_assert (!ipa_intraprocedural_devirtualization (stmt));
 	    }
 	}