2007-01-05 Paul Thomas <pault@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / tree-scalar-evolution.c

diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c
index bd47bef..1946901 100644 (file)
--- a/gcc/tree-scalar-evolution.c
+++ b/gcc/tree-scalar-evolution.c
@@ -1844,12 +1844,11 @@ pointer_used_p (tree ptr)
   imm_use_iterator imm_iter;
   tree stmt, rhs;
   struct ptr_info_def *pi = get_ptr_info (ptr);
-  var_ann_t v_ann = var_ann (SSA_NAME_VAR (ptr));
 
   /* Check whether the pointer has a memory tag; if it does, it is
      (or at least used to be) dereferenced.  */
   if ((pi != NULL && pi->name_mem_tag != NULL)
-      || v_ann->symbol_mem_tag)
+      || symbol_mem_tag (SSA_NAME_VAR (ptr)))
     return true;
 
   FOR_EACH_IMM_USE_FAST (use_p, imm_iter, ptr)
@@ -2814,6 +2813,7 @@ simple_iv (struct loop *loop, tree stmt, tree op, affine_iv *iv,
       && !chrec_contains_symbols_defined_in_loop (ev, loop->num))
     {
       iv->base = ev;
+      iv->step = build_int_cst (TREE_TYPE (ev), 0);
       iv->no_overflow = true;
       return true;
     }