static void LJ_FASTCALL recff_type(jit_State *J, RecordFFData *rd)
{
/* Arguments already specialized. Result is a constant string. Neat, huh? */
- IRType t = tref_isinteger(J->base[0]) ? IRT_NUM : tref_type(J->base[0]);
+ uint32_t t;
+ if (tvisnum(&rd->argv[0]))
+ t = ~LJ_TNUMX;
+ else if (LJ_64 && tvislightud(&rd->argv[0]))
+ t = ~LJ_TLIGHTUD;
+ else
+ t = ~itype(&rd->argv[0]);
J->base[0] = lj_ir_kstr(J, strV(&J->fn->c.upvalue[t]));
UNUSED(rd);
}