import VarSet
import VarEnv
import Id
+import IdInfo
import DataCon
import PrimOp
import BasicTypes
import DynFlags
import Util
import Outputable
-import TysWiredIn
\end{code}
-- ---------------------------------------------------------------------------
exprIsTrivial (Lit lit) = True
exprIsTrivial (App e arg) = isTypeArg arg && exprIsTrivial e
exprIsTrivial (Note (SCC _) e) = False
-exprIsTrivial (Note (TickBox {}) e) = False
-exprIsTrivial (Note (BinaryTickBox {}) e) = False
exprIsTrivial (Note _ e) = exprIsTrivial e
exprIsTrivial (Cast e co) = exprIsTrivial e
exprIsTrivial (Lam b body) | isTyVar b = exprIsTrivial body
deLamFloat expr1 `thenUs` \ (floats, expr2) ->
returnUs (floats, Note n expr2)
-corePrepExprFloat env (Note note@(TickBox {}) expr)
+corePrepExprFloat env (Case (Var id) bndr ty [(DEFAULT,[],expr)])
+ | Just (TickBox {}) <- isTickBoxOp_maybe id
= corePrepAnExpr env expr `thenUs` \ expr1 ->
deLamFloat expr1 `thenUs` \ (floats, expr2) ->
- return (floats, Note note expr2)
-
-corePrepExprFloat env (Note note@(BinaryTickBox m t e) expr)
- = corePrepAnExpr env expr `thenUs` \ expr1 ->
- deLamFloat expr1 `thenUs` \ (floats, expr2) ->
- getUniqueUs `thenUs` \ u ->
- let bndr = mkSysLocal FSLIT("t") u boolTy in
- return (floats, Case expr2
- bndr
- boolTy
- [ (DataAlt falseDataCon, [], Note (TickBox m e) (Var falseDataConId))
- , (DataAlt trueDataCon, [], Note (TickBox m t) (Var trueDataConId))
- ])
+ return (floats, Case (Var id) bndr ty [(DEFAULT,[],expr2)])
corePrepExprFloat env (Note other_note expr)
= corePrepExprFloat env expr `thenUs` \ (floats, expr') ->
where
(bndrs,body) = collectBinders expr
-corePrepExprFloat env (Case (Note note@(TickBox m n) expr) bndr ty alts)
- = corePrepExprFloat env (Note note (Case expr bndr ty alts))
-
-corePrepExprFloat env (Case (Note note@(BinaryTickBox m t e) expr) bndr ty alts)
- = do { ASSERT(exprType expr `coreEqType` boolTy)
- corePrepExprFloat env $
- Case expr bndr ty
- [ (DataAlt falseDataCon, [], Note (TickBox m e) falseBranch)
- , (DataAlt trueDataCon, [], Note (TickBox m t) trueBranch)
- ]
- }
- where
- (_,_,trueBranch) = findAlt (DataAlt trueDataCon) alts
- (_,_,falseBranch) = findAlt (DataAlt falseDataCon) alts
-
corePrepExprFloat env (Case scrut bndr ty alts)
= corePrepExprFloat env scrut `thenUs` \ (floats1, scrut1) ->
deLamFloat scrut1 `thenUs` \ (floats2, scrut2) ->