flow.h

   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_CFG_CLEANUP      (1 << 2)
  10
  11 struct entrypoint;
  12 struct instruction;
  13
  14 extern int remove_phisources(struct basic_block *par, struct basic_block *old);
  15
  16 extern int simplify_flow(struct entrypoint *ep);
  17
  18 extern void kill_dead_stores(struct entrypoint *ep, pseudo_t addr, int local);
  19 extern void simplify_symbol_usage(struct entrypoint *ep);
  20 extern void simplify_memops(struct entrypoint *ep);
  21 extern void pack_basic_blocks(struct entrypoint *ep);
  22 extern int simplify_cfg_early(struct entrypoint *ep);
  23 extern int convert_to_jump(struct instruction *insn, struct basic_block *target);
  24
  25 extern void convert_instruction_target(struct instruction *insn, pseudo_t src);
  26 extern void remove_dead_insns(struct entrypoint *);
  27
  28 extern void kill_bb(struct basic_block *);
  29 extern void kill_use(pseudo_t *);
  30 extern void remove_use(pseudo_t *);
  31 extern void kill_unreachable_bbs(struct entrypoint *ep);
  32
  33 extern int kill_insn(struct instruction *, int force);
  34 static inline int kill_instruction(struct instruction *insn)
  35 {
  36         return kill_insn(insn, 0);
  37 }
  38 static inline int kill_instruction_force(struct instruction *insn)
  39 {
  40         return kill_insn(insn, 1);
  41 }
  42
  43 void check_access(struct instruction *insn);
  44 int dominates(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