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
  11 struct entrypoint;
  12 struct instruction;
  13
  14 extern int simplify_flow(struct entrypoint *ep);
  15
  16 extern void simplify_symbol_usage(struct entrypoint *ep);
  17 extern void simplify_memops(struct entrypoint *ep);
  18 extern void pack_basic_blocks(struct entrypoint *ep);
  19
  20 extern void convert_instruction_target(struct instruction *insn, pseudo_t src);
  21 extern void cleanup_and_cse(struct entrypoint *ep);
  22 extern int simplify_instruction(struct instruction *);
  23
  24 extern void kill_bb(struct basic_block *);
  25 extern void kill_use(pseudo_t *);
  26 extern void kill_unreachable_bbs(struct entrypoint *ep);
  27
  28 extern void kill_insn(struct instruction *, int force);
  29 static inline void kill_instruction(struct instruction *insn)
  30 {
  31         kill_insn(insn, 0);
  32 }
  33 static inline void kill_instruction_force(struct instruction *insn)
  34 {
  35         kill_insn(insn, 1);
  36 }
  37
  38 void check_access(struct instruction *insn);
  39 void convert_load_instruction(struct instruction *, pseudo_t);
  40 void rewrite_load_instruction(struct instruction *, struct pseudo_list *);
  41 int dominates(pseudo_t pseudo, struct instruction *insn, struct instruction *dom, int local);
  42
  43 extern void clear_liveness(struct entrypoint *ep);
  44 extern void track_pseudo_liveness(struct entrypoint *ep);
  45 extern void track_pseudo_death(struct entrypoint *ep);
  46 extern void track_phi_uses(struct instruction *insn);
  47
  48 extern void vrfy_flow(struct entrypoint *ep);
  49 extern int pseudo_in_list(struct pseudo_list *list, pseudo_t pseudo);
  50
  51 #endif