no signed zero exists or < 0 else */
} value_classify;
-
/**
* Check, if the value of a node is != 0.
*
*/
int value_not_zero(ir_node *n);
+/*
+ * Check, if the value of a node is != NULL.
+ *
+ * This is a often needed case, so we handle here Confirm
+ * nodes too.
+ *
+ * @param n a node representing the value
+ */
+int value_not_null(ir_node *n);
+
/**
* Check, if the value of a node can be confirmed >= 0 or <= 0,
* If the mode of the value did not honor signed zeros, else