DEBUG_ONLY(static firm_dbg_module_t *dbg;)
/**
- * Return the effective use block of a node and it's predecessor on
+ * Return the effective use block of a node and its predecessor on
* position pos.
*
* @param node the node
/*
* The user of the user is dominated by our true/false
* block. So, create a copy of user WITH the constant
- * replacing it's pos'th input.
+ * replacing its pos'th input.
*
* This is always good for unop's and might be good
* for binops.