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#ifndef FLOW_H
#define FLOW_H
#include "lib.h"
extern unsigned long bb_generation;
#define REPEAT_CSE 1
#define REPEAT_SYMBOL_CLEANUP 2
struct entrypoint;
struct instruction;
extern int simplify_flow(struct entrypoint *ep);
extern void simplify_symbol_usage(struct entrypoint *ep);
extern void simplify_memops(struct entrypoint *ep);
extern void pack_basic_blocks(struct entrypoint *ep);
extern void convert_instruction_target(struct instruction *insn, pseudo_t src);
extern void cleanup_and_cse(struct entrypoint *ep);
extern int simplify_instruction(struct instruction *);
extern void kill_bb(struct basic_block *);
extern void kill_use(pseudo_t *);
extern void kill_instruction(struct instruction *);
extern void kill_unreachable_bbs(struct entrypoint *ep);
void check_access(struct instruction *insn);
void convert_load_instruction(struct instruction *, pseudo_t);
void rewrite_load_instruction(struct instruction *, struct pseudo_list *);
int dominates(pseudo_t pseudo, struct instruction *insn, struct instruction *dom, int local);
extern void clear_liveness(struct entrypoint *ep);
extern void track_pseudo_liveness(struct entrypoint *ep);
extern void track_pseudo_death(struct entrypoint *ep);
extern void track_phi_uses(struct instruction *insn);
extern void vrfy_flow(struct entrypoint *ep);
extern int pseudo_in_list(struct pseudo_list *list, pseudo_t pseudo);
#endif
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