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 << 0) 9 #define REPEAT_SYMBOL_CLEANUP (1 << 1) 10 #define REPEAT_CFG_CLEANUP (1 << 2) 11 12 struct entrypoint; 13 struct instruction; 14 15 extern int simplify_flow(struct entrypoint *ep); 16 17 extern void kill_dead_stores(struct entrypoint *ep, pseudo_t addr, int local); 18 extern void simplify_symbol_usage(struct entrypoint *ep); 19 extern void simplify_memops(struct entrypoint *ep); 20 extern void pack_basic_blocks(struct entrypoint *ep); 21 22 extern void convert_instruction_target(struct instruction *insn, pseudo_t src); 23 extern void remove_dead_insns(struct entrypoint *); 24 extern int simplify_instruction(struct instruction *); 25 26 extern void kill_bb(struct basic_block *); 27 extern void kill_use(pseudo_t *); 28 extern void remove_use(pseudo_t *); 29 extern void kill_unreachable_bbs(struct entrypoint *ep); 30 31 extern int kill_insn(struct instruction *, int force); 32 static inline int kill_instruction(struct instruction *insn) 33 { 34 return kill_insn(insn, 0); 35 } 36 static inline int kill_instruction_force(struct instruction *insn) 37 { 38 return kill_insn(insn, 1); 39 } 40 41 void check_access(struct instruction *insn); 42 void convert_load_instruction(struct instruction *, pseudo_t); 43 void rewrite_load_instruction(struct instruction *, struct pseudo_list *); 44 int dominates(pseudo_t pseudo, struct instruction *insn, struct instruction *dom, int local); 45 46 extern void vrfy_flow(struct entrypoint *ep); 47 extern int pseudo_in_list(struct pseudo_list *list, pseudo_t pseudo); 48 49 #endif