#include "HsVersions.h"
import CoreSyn
-import Id ( mkWildId, isPrimOpId_maybe, idUnfolding )
+import Id ( mkWildId, idUnfolding )
import Literal ( Literal(..), mkMachInt, mkMachWord
, literalType
, word2IntLit, int2WordLit
, float2IntLit, int2FloatLit, double2IntLit, int2DoubleLit
, float2DoubleLit, double2FloatLit
)
-import PrimOp ( PrimOp(..), primOpOcc )
+import PrimOp ( PrimOp(..), primOpOcc, tagToEnumKey )
import TysWiredIn ( boolTy, trueDataConId, falseDataConId )
import TyCon ( tyConDataCons_maybe, isEnumerationTyCon, isNewTyCon )
import DataCon ( dataConTag, dataConTyCon, dataConWorkId, fIRST_TAG )
import FastString
import StaticFlags ( opt_SimplExcessPrecision )
-import DATA_BITS ( Bits(..) )
+import Data.Bits ( Bits(..) )
#if __GLASGOW_HASKELL__ >= 500
-import DATA_WORD ( Word )
+import Data.Word ( Word )
#else
-import DATA_WORD ( Word64 )
+import Data.Word ( Word64 )
#endif
\end{code}
\begin{code}
dataToTagRule [Type ty1, Var tag_to_enum `App` Type ty2 `App` tag]
- | Just TagToEnumOp <- isPrimOpId_maybe tag_to_enum
+ | tag_to_enum `hasKey` tagToEnumKey
, ty1 `coreEqType` ty2
= Just tag -- dataToTag (tagToEnum x) ==> x