+pprHinted :: Outputable a => (CmmHinted a) -> SDoc
+pprHinted (CmmHinted a NoHint) = ppr a
+pprHinted (CmmHinted a PtrHint) = quotes(text "address") <+> ppr a
+pprHinted (CmmHinted a SignedHint) = quotes(text "signed") <+> ppr a
+pprHinted (CmmHinted a FloatHint) = quotes(text "float") <+> ppr a
+