-static struct obstack obst;
-
-typedef struct block_info_t {
- ir_node *phi; /**< head of the Phi list */
- int has_pinned; /**< set if the block contains instructions that cannot be
- moved */
-} block_info_t;
-
-static block_info_t* get_block_blockinfo(ir_node* block)
-{
- return get_irn_link(block);
-}
-
-static void create_blockinfos(ir_node *node, void *env)
+/**
+ * Walker, clear Block mark and Phi list
+ */
+static void clear_block_infos(ir_node *node, void *env)