import "cffc.hff";

struct IRCtx {
   alloc *Allocator,
}

struct IRInst;
struct IRFn {
   body *IRInst
}

struct IRValue {
   ty *const Type,
   u enum union {
      IImm i64,
      FImm f64,
      SImm [#]const u8,
      BImm bool,
      Null,
      Tmp  int,
      Local *Decl,
      Global *Decl,
   }
}

enum union IRArg {
   Val IRValue,
   Ty *const Type,
   Fn *Decl,
}

enum IRInstT {
   nop,
   neg,
   not,
   compl,
   fneg,
   add,
   sub,
   mul,
   div,
   mod,
   band,
   bor,
   xor,
   lsl,
   lsr,
   asr,
   fadd,
   fsub,
   fmul,
   fdiv,
   eq,
   neq,
   lt,
   lteq,
   ftrunc,
   itof,
   getelem,
   pgetelem,
   copy,
   setvar,
   load,
   store,
   call,
   b,
   beqz,
   ret0,
   ret,
}

struct IRInst {
   t IRInstT,
   next *IRInst,
   branch *IRInst,
   call_nargs int,
   args [0]IRArg,
}

extern fn irdump(*IRInst) void;