-ir_op_ops *firm_set_default_operations(ir_opcode code, ir_op_ops *ops);
-
-/**
- * Returns true if a == -b
- */
-bool is_negated_value(ir_node *a, ir_node *b);
-
-
-
-/** NOTE: Survive DCE is considered a bad hack - don't use */
-typedef struct survive_dce_t survive_dce_t;
-
-/**
- * Make a new Survive DCE environment.
- * NOTE: Survive DCE is considered a bad hack - don't use
- */
-survive_dce_t *new_survive_dce(void);