IC               1723 compile.c      			    IC ic = (IC)&iseq->body->is_entries[ic_index];
IC                787 vm_insnhelper.c vm_getivar(VALUE obj, ID id, IC ic, struct rb_call_cache *cc, int is_attr)
IC                833 vm_insnhelper.c vm_setivar(VALUE obj, ID id, VALUE val, IC ic, struct rb_call_cache *cc, int is_attr)
IC                876 vm_insnhelper.c vm_getinstancevariable(VALUE obj, ID id, IC ic)
IC                882 vm_insnhelper.c vm_setinstancevariable(VALUE obj, ID id, VALUE val, IC ic)
IC                112 vm_insnhelper.h #define GET_CONST_INLINE_CACHE(dst) ((IC) * (GET_PC() + (dst) + 2))