/** Returns non-zero for constant-like nodes. */
FIRM_API int is_irn_constlike(const ir_node *node);
-/**
- * Returns non-zero for nodes that must be always optimized
- * (Phi, Id. Proj, Cond, Block, Confirm ...).
- */
-FIRM_API int is_irn_always_opt(const ir_node *node);
-
/**
* Returns non-zero for nodes that are allowed to have keep-alives and
* are neither Block nor PhiM.