1 #ifndef FLOW_H 2 #define FLOW_H 3 4 #include "lib.h" 5 6 extern unsigned long bb_generation; 7 8 #define REPEAT_CSE 1 9 #define REPEAT_SYMBOL_CLEANUP 2 10 #define REPEAT_CFG_CLEANUP 3 11 12 struct entrypoint; 13 struct instruction; 14 15 extern int simplify_flow(struct entrypoint *ep); 16 17 extern void simplify_symbol_usage(struct entrypoint *ep); 18 extern void simplify_memops(struct entrypoint *ep); 19 extern void pack_basic_blocks(struct entrypoint *ep); 20 21 extern void convert_instruction_target(struct instruction *insn, pseudo_t src); 22 extern void cleanup_and_cse(struct entrypoint *ep); 23 extern int simplify_instruction(struct instruction *); 24 25 extern void kill_bb(struct basic_block *); 26 extern void kill_use(pseudo_t *); 27 extern void kill_unreachable_bbs(struct entrypoint *ep); 28 29 extern void kill_insn(struct instruction *, int force); 30 static inline void kill_instruction(struct instruction *insn) 31 { 32 kill_insn(insn, 0); 33 } 34 static inline void kill_instruction_force(struct instruction *insn) 35 { 36 kill_insn(insn, 1); 37 } 38 39 void check_access(struct instruction *insn); 40 void convert_load_instruction(struct instruction *, pseudo_t); 41 void rewrite_load_instruction(struct instruction *, struct pseudo_list *); 42 int dominates(pseudo_t pseudo, struct instruction *insn, struct instruction *dom, int local); 43 44 extern void clear_liveness(struct entrypoint *ep); 45 extern void track_pseudo_liveness(struct entrypoint *ep); 46 extern void track_pseudo_death(struct entrypoint *ep); 47 extern void track_phi_uses(struct instruction *insn); 48 49 extern void vrfy_flow(struct entrypoint *ep); 50 extern int pseudo_in_list(struct pseudo_list *list, pseudo_t pseudo); 51 52 #endif 53