DIF_INSTR_FLUSHTS
dt_cg_node_alloc(DT_LBL_NONE, DIF_INSTR_FLUSHTS));
dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, DIF_INSTR_FLUSHTS));
dt_irlist_append(dlp, dt_cg_node_alloc(DT_LBL_NONE, DIF_INSTR_FLUSHTS));