| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
CoreOpt
Synopsis
- simpleOptPgm :: DynFlags -> Module -> CoreProgram -> [CoreRule] -> IO (CoreProgram, [CoreRule])
- simpleOptExpr :: DynFlags -> CoreExpr -> CoreExpr
- simpleOptExprWith :: DynFlags -> Subst -> InExpr -> OutExpr
- joinPointBinding_maybe :: InBndr -> InExpr -> Maybe (InBndr, InExpr)
- joinPointBindings_maybe :: [(InBndr, InExpr)] -> Maybe [(InBndr, InExpr)]
- exprIsConApp_maybe :: InScopeEnv -> CoreExpr -> Maybe (DataCon, [Type], [CoreExpr])
- exprIsLiteral_maybe :: InScopeEnv -> CoreExpr -> Maybe Literal
- exprIsLambda_maybe :: InScopeEnv -> CoreExpr -> Maybe (Var, CoreExpr, [Tickish Id])
- pushCoArg :: CoercionR -> CoreArg -> Maybe (CoreArg, MCoercion)
- pushCoValArg :: CoercionR -> Maybe (Coercion, MCoercion)
- pushCoTyArg :: CoercionR -> Type -> Maybe (Type, MCoercionR)
- collectBindersPushingCo :: CoreExpr -> ([Var], CoreExpr)
Simple expression optimiser
simpleOptPgm :: DynFlags -> Module -> CoreProgram -> [CoreRule] -> IO (CoreProgram, [CoreRule]) Source #
Join points
joinPointBinding_maybe :: InBndr -> InExpr -> Maybe (InBndr, InExpr) Source #
Returns Just (bndr,rhs) if the binding is a join point: If it's a JoinId, just return it If it's not yet a JoinId but is always tail-called, make it into a JoinId and return it. In the latter case, eta-expand the RHS if necessary, to make the lambdas explicit, as is required for join points
Precondition: the InBndr has been occurrence-analysed, so its OccInfo is valid
Predicates on expressions
exprIsConApp_maybe :: InScopeEnv -> CoreExpr -> Maybe (DataCon, [Type], [CoreExpr]) Source #
Returns Just (dc, [t1..tk], [x1..xn]) if the argument expression is
a *saturated* constructor application of the form dc t1..tk x1 .. xn,
where t1..tk are the *universally-quantified* type args of dc
exprIsLiteral_maybe :: InScopeEnv -> CoreExpr -> Maybe Literal Source #
exprIsLambda_maybe :: InScopeEnv -> CoreExpr -> Maybe (Var, CoreExpr, [Tickish Id]) Source #
Coercions and casts
pushCoTyArg :: CoercionR -> Type -> Maybe (Type, MCoercionR) Source #