CmmFloat f rep -> hsep [ rational f, dcolon, ppr rep ]
CmmLabel clbl -> pprCLabel clbl
CmmLabelOff clbl i -> pprCLabel clbl <> ppr_offset i
CmmFloat f rep -> hsep [ rational f, dcolon, ppr rep ]
CmmLabel clbl -> pprCLabel clbl
CmmLabelOff clbl i -> pprCLabel clbl <> ppr_offset i