icode.h

   1 #ifndef MCC_ICODE_H
   2 #define MCC_ICODE_H
   3
   4 #include "stree.h"
   5
   6 typedef enum {
   7     IC_NOP = 0,
   8     IC_ADD,
   9     IC_SUB,
  10     IC_MUL,
  11     // WARNING: add entries to icop_strs when adding entries here
  12 } icopn_t;
  13
  14 struct icop {
  15     struct icop *prev, *next;
  16     int id; // debugging id
  17     icopn_t op;
  18     struct icop *operands[2];
  19 };
  20
  21 struct icblock {
  22     int id; // debugging id
  23     struct icop *o_first, *o_last;
  24     struct icop *condition;  // condition for flow to next[0] or next[1]
  25     struct icblock *exit[2]; // next blocks in flow (0=condition is false, 1=condition is true)
  26 };
  27
  28 void icblock_create(struct icblock *bl);
  29 void icblock_destroy(struct icblock *bl);
  30 void icblock_dump(struct icblock *bl);
  31 struct icop *icblock_append(struct icblock *bl);
  32
  33 #endif