gimple.c (walk_stmt_load_store_addr_ops): Call visit_addr also on…

gimple.c (walk_stmt_load_store_addr_ops): Call visit_addr also on COND_EXPR/VEC_COND_EXPR comparison operands if...

	* gimple.c (walk_stmt_load_store_addr_ops): Call visit_addr
	also on COND_EXPR/VEC_COND_EXPR comparison operands if they are
	ADDR_EXPRs.

From-SVN: r179969

gcc/ChangeLog

+2011-10-14  Jakub Jelinek  <jakub@redhat.com>
+
+	* gimple.c (walk_stmt_load_store_addr_ops): Call visit_addr
+	also on COND_EXPR/VEC_COND_EXPR comparison operands if they are
+	ADDR_EXPRs.
+
 2011-10-14  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/50723

gcc/gimple.c

@@ -5313,9 +5313,24 @@ walk_stmt_load_store_addr_ops (gimple stmt, void *data,
 	       || gimple_code (stmt) == GIMPLE_COND))
     {
       for (i = 0; i < gimple_num_ops (stmt); ++i)
-	if (gimple_op (stmt, i)
-	    && TREE_CODE (gimple_op (stmt, i)) == ADDR_EXPR)
-	  ret |= visit_addr (stmt, TREE_OPERAND (gimple_op (stmt, i), 0), data);
+	{
+	  tree op = gimple_op (stmt, i);
+	  if (op == NULL_TREE)
+	    ;
+	  else if (TREE_CODE (op) == ADDR_EXPR)
+	    ret |= visit_addr (stmt, TREE_OPERAND (op, 0), data);
+	  /* COND_EXPR and VCOND_EXPR rhs1 argument is a comparison
+	     tree with two operands.  */
+	  else if (i == 1 && COMPARISON_CLASS_P (op))
+	    {
+	      if (TREE_CODE (TREE_OPERAND (op, 0)) == ADDR_EXPR)
+		ret |= visit_addr (stmt, TREE_OPERAND (TREE_OPERAND (op, 0),
+						       0), data);
+	      if (TREE_CODE (TREE_OPERAND (op, 1)) == ADDR_EXPR)
+		ret |= visit_addr (stmt, TREE_OPERAND (TREE_OPERAND (op, 1),
+						       0), data);
+	    }
+	}
     }
   else if (is_gimple_call (stmt))
     {