X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FsimplCore%2FSimplify.lhs;h=dffdd75212206ead238a652ac81f1e75551ddc9c;hb=f37e239fb5e81fc493e0ea1af98178bf1f7ceaba;hp=e2435c251d6f69d17db12cfa457e738eff30a67d;hpb=8c9cfd756219ed60ebcdf5cd370a3d083fd7e4b8;p=ghc-hetmet.git diff --git a/compiler/simplCore/Simplify.lhs b/compiler/simplCore/Simplify.lhs index e2435c2..dffdd75 100644 --- a/compiler/simplCore/Simplify.lhs +++ b/compiler/simplCore/Simplify.lhs @@ -26,8 +26,6 @@ import Id ( Id, idType, idInfo, idArity, isDataConWorkId, idNewDemandInfo, setIdInfo, setIdOccInfo, zapLamIdInfo, setOneShotLambda ) -import MkId ( eRROR_ID ) -import Literal ( mkStringLit ) import IdInfo ( OccInfo(..), isLoopBreaker, setArityInfo, zapDemandInfo, setUnfoldingInfo, @@ -35,7 +33,7 @@ import IdInfo ( OccInfo(..), isLoopBreaker, ) import NewDemand ( isStrictDmd ) import TcGadt ( dataConCanMatch ) -import DataCon ( DataCon, dataConTyCon, dataConRepStrictness ) +import DataCon ( dataConTyCon, dataConRepStrictness ) import TyCon ( tyConArity, isAlgTyCon, isNewTyCon, tyConDataCons_maybe ) import CoreSyn import PprCore ( pprParendExpr, pprCoreExpr ) @@ -45,19 +43,17 @@ import CoreUtils ( exprIsDupable, exprIsTrivial, needsCaseBinding, exprType, exprIsHNF, findDefault, mergeAlts, exprOkForSpeculation, exprArity, mkCoerce, mkSCC, mkInlineMe, applyTypeToArg, - dataConInstPat + dataConRepInstPat ) import Rules ( lookupRule ) import BasicTypes ( isMarkedStrict ) import CostCentre ( currentCCS ) import Type ( TvSubstEnv, isUnLiftedType, seqType, tyConAppArgs, funArgTy, - splitFunTy_maybe, splitFunTy, coreEqType, splitTyConApp_maybe, - isTyVarTy, mkTyVarTys, isFunTy, tcEqType + coreEqType, splitTyConApp_maybe, + isTyVarTy, isFunTy, tcEqType ) import Coercion ( Coercion, coercionKind, - mkTransCoercion, mkLeftCoercion, mkRightCoercion, - mkSymCoercion, splitCoercionKind_maybe, decomposeCo ) -import Var ( tyVarKind, mkTyVar ) + mkTransCoercion, mkSymCoercion, splitCoercionKind_maybe, decomposeCo ) import VarEnv ( elemVarEnv, emptyVarEnv ) import TysPrim ( realWorldStatePrimTy ) import PrelInfo ( realWorldPrimId ) @@ -1553,7 +1549,10 @@ simplDefault env case_bndr' imposs_cons cont (Just rhs) [con] -> -- It matches exactly one constructor, so fill it in do { tick (FillInCaseDefault case_bndr') - ; con_alt <- mkDataConAlt con inst_tys rhs + ; us <- getUniquesSmpl + ; let (ex_tvs, co_tvs, arg_ids) = + dataConRepInstPat us con inst_tys + ; let con_alt = (DataAlt con, ex_tvs ++ co_tvs ++ arg_ids, rhs) ; Just (_, alt') <- simplAlt env [] case_bndr' cont con_alt -- The simplAlt must succeed with Just because we have -- already filtered out construtors that can't match