2015-01-29 Richard Biener <rguenther@suse.de>

[thirdparty/gcc.git] / gcc / tree-vrp.c

diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index 2bc22c6b57b271321ca8abb53290ca4459052958..ef1c21db973438a02f27956c401d710b315cd280 100644 (file)
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -7092,15 +7092,15 @@ vrp_valueize_1 (tree name)
 {
   if (TREE_CODE (name) == SSA_NAME)
     {
-      value_range_t *vr = get_value_range (name);
-      if (range_int_cst_singleton_p (vr))
-       return vr->min;
       /* If the definition may be simulated again we cannot follow
          this SSA edge as the SSA propagator does not necessarily
         re-visit the use.  */
       gimple def_stmt = SSA_NAME_DEF_STMT (name);
       if (prop_simulate_again_p (def_stmt))
        return NULL_TREE;
+      value_range_t *vr = get_value_range (name);
+      if (range_int_cst_singleton_p (vr))
+       return vr->min;
     }
   return name;
 }