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
   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