diff options
Diffstat (limited to 'compiler/coreSyn')
| -rw-r--r-- | compiler/coreSyn/CorePrep.lhs | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/compiler/coreSyn/CorePrep.lhs b/compiler/coreSyn/CorePrep.lhs index 88fa8b7612..e2b6ecffea 100644 --- a/compiler/coreSyn/CorePrep.lhs +++ b/compiler/coreSyn/CorePrep.lhs @@ -390,30 +390,6 @@ corePrepExprFloat env (Case (Var id) bndr ty [(DEFAULT,[],expr)]) deLamFloat expr1 `thenUs` \ (floats, expr2) -> return (floats, Case (Var id) bndr ty [(DEFAULT,[],expr2)]) --- Translate Binary tickBox into standard tickBox -corePrepExprFloat env (App (Var id) expr) - | Just (BinaryTickBox m t e) <- isTickBoxOp_maybe id - = corePrepAnExpr env expr `thenUs` \ expr1 -> - deLamFloat expr1 `thenUs` \ (floats, expr2) -> - getUniqueUs `thenUs` \ u1 -> - getUniqueUs `thenUs` \ u2 -> - getUniqueUs `thenUs` \ u3 -> - getUniqueUs `thenUs` \ u4 -> - getUniqueUs `thenUs` \ u5 -> - let bndr1 = mkSysLocal FSLIT("t1") u1 boolTy in - let bndr2 = mkSysLocal FSLIT("t2") u2 realWorldStatePrimTy in - let bndr3 = mkSysLocal FSLIT("t3") u3 realWorldStatePrimTy in - let tick_e = mkTickBoxOpId u4 m e in - let tick_t = mkTickBoxOpId u5 m t in - return (floats, Case expr2 - bndr1 - boolTy - [ (DataAlt falseDataCon, [], - Case (Var tick_e) bndr2 boolTy [(DEFAULT,[],Var falseDataConId)]) - , (DataAlt trueDataCon, [], - Case (Var tick_t) bndr3 boolTy [(DEFAULT,[],Var trueDataConId)]) - ]) - corePrepExprFloat env (Note other_note expr) = corePrepExprFloat env expr `thenUs` \ (floats, expr') -> returnUs (floats, Note other_note expr') @@ -429,38 +405,6 @@ corePrepExprFloat env expr@(Lam _ _) where (bndrs,body) = collectBinders expr --- This is an (important) optimization. --- case <btick,A,B> e of { T -> e1 ; F -> e2 } --- ==> case e of { T -> <tick,A> e1 ; F -> <tick,B> e2 } --- This could move into the simplifier. - -corePrepExprFloat env (Case (App (Var id) expr) bndr ty alts) - | Just (BinaryTickBox m t e) <- isTickBoxOp_maybe id - = getUniqueUs `thenUs` \ u1 -> - getUniqueUs `thenUs` \ u2 -> - getUniqueUs `thenUs` \ u3 -> - getUniqueUs `thenUs` \ u4 -> - getUniqueUs `thenUs` \ u5 -> - let bndr1 = mkSysLocal FSLIT("t1") u1 boolTy in - let bndr2 = mkSysLocal FSLIT("t2") u2 realWorldStatePrimTy in - let bndr3 = mkSysLocal FSLIT("t3") u3 realWorldStatePrimTy in - let tick_e = mkTickBoxOpId u4 m e in - let tick_t = mkTickBoxOpId u5 m t in - ASSERT (exprType expr `coreEqType` boolTy) - corePrepExprFloat env $ - Case expr - bndr1 - ty - [ (DataAlt falseDataCon, [], - Case (Var tick_e) bndr2 ty [(DEFAULT,[],falseBranch)]) - , (DataAlt trueDataCon, [], - Case (Var tick_t) bndr3 ty [(DEFAULT,[],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) -> |