X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcoreSyn%2FCoreUtils.lhs;h=69a5135ecf41c0b974ed79fdc41c647a8dfb7c36;hb=aa1c7df20292d9af0b757d71870ae6890a1f9030;hp=828470262c9b6e042e8df18050147e3e15c014f4;hpb=50b8745f8b9c1be7b14f0ff24f49b07c6ad7d8ec;p=ghc-hetmet.git diff --git a/compiler/coreSyn/CoreUtils.lhs b/compiler/coreSyn/CoreUtils.lhs index 8284702..69a5135 100644 --- a/compiler/coreSyn/CoreUtils.lhs +++ b/compiler/coreSyn/CoreUtils.lhs @@ -55,10 +55,6 @@ import SrcLoc import VarEnv import VarSet import Name -import Module -#if mingw32_TARGET_OS -import Packages -#endif import Literal import DataCon import PrimOp @@ -736,8 +732,8 @@ If exprOkForSpeculation doesn't look through case expressions, you get this: \ (ww :: GHC.Prim.Int#) -> case ww of ds { __DEFAULT -> case (case <# ds 5 of _ { - GHC.Bool.False -> lvl1; - GHC.Bool.True -> lvl}) + GHC.Types.False -> lvl1; + GHC.Types.True -> lvl}) of _ { __DEFAULT -> T.$wfoo (GHC.Prim.-# ds_XkE 1) }; 0 -> 0 @@ -1337,7 +1333,7 @@ and 'execute' it rather than allocating it statically. -- | This function is called only on *top-level* right-hand sides. -- Returns @True@ if the RHS can be allocated statically in the output, -- with no thunks involved at all. -rhsIsStatic :: PackageId -> CoreExpr -> Bool +rhsIsStatic :: (Name -> Bool) -> CoreExpr -> Bool -- It's called (i) in TidyPgm.hasCafRefs to decide if the rhs is, or -- refers to, CAFs; (ii) in CoreToStg to decide whether to put an -- update flag on it and (iii) in DsExpr to decide how to expand @@ -1392,16 +1388,14 @@ rhsIsStatic :: PackageId -> CoreExpr -> Bool -- -- c) don't look through unfolding of f in (f x). -rhsIsStatic _this_pkg rhs = is_static False rhs +rhsIsStatic _is_dynamic_name rhs = is_static False rhs where is_static :: Bool -- True <=> in a constructor argument; must be atomic -> CoreExpr -> Bool - is_static False (Lam b e) = isRuntimeVar b || is_static False e - - is_static _ (Note (SCC _) _) = False - is_static in_arg (Note _ e) = is_static in_arg e - is_static in_arg (Cast e _) = is_static in_arg e + is_static False (Lam b e) = isRuntimeVar b || is_static False e + is_static in_arg (Note n e) = notSccNote n && is_static in_arg e + is_static in_arg (Cast e _) = is_static in_arg e is_static _ (Lit lit) = case lit of @@ -1420,7 +1414,7 @@ rhsIsStatic _this_pkg rhs = is_static False rhs where go (Var f) n_val_args #if mingw32_TARGET_OS - | not (isDllName _this_pkg (idName f)) + | not (_is_dynamic_name (idName f)) #endif = saturated_data_con f n_val_args || (in_arg && n_val_args == 0) @@ -1442,11 +1436,9 @@ rhsIsStatic _this_pkg rhs = is_static False rhs -- x = D# (1.0## /## 2.0##) -- can't float because /## can fail. - go (Note (SCC _) _) _ = False - go (Note _ f) n_val_args = go f n_val_args - go (Cast e _) n_val_args = go e n_val_args - - go _ _ = False + go (Note n f) n_val_args = notSccNote n && go f n_val_args + go (Cast e _) n_val_args = go e n_val_args + go _ _ = False saturated_data_con f n_val_args = case isDataConWorkId_maybe f of