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_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