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authorReid Barton <rwbarton@gmail.com>2017-02-27 13:25:19 -0500
committerReid Barton <rwbarton@gmail.com>2017-02-28 10:18:52 -0500
commit04ffaf5efc08fbbd73fb3c957e11522a0d3c1eec (patch)
tree082e3029f107be8adc5ce0a9b983a0bc6b607bbf
parent28664d742eb0f790e5dbbcdd30d4dbc3bbec5412 (diff)
downloadhaskell-wip/rwbarton-float-unboxed.tar.gz
WIP: Less floating out of unboxed stringswip/rwbarton-float-unboxed
-rw-r--r--compiler/simplCore/SetLevels.hs3
-rw-r--r--compiler/simplCore/Simplify.hs4
2 files changed, 3 insertions, 4 deletions
diff --git a/compiler/simplCore/SetLevels.hs b/compiler/simplCore/SetLevels.hs
index 94d5bcd2c4..2ab0cdcc6e 100644
--- a/compiler/simplCore/SetLevels.hs
+++ b/compiler/simplCore/SetLevels.hs
@@ -66,7 +66,6 @@ import CoreSyn
import CoreMonad ( FloatOutSwitches(..) )
import CoreUtils ( exprType, exprIsHNF
, exprOkForSpeculation
- , exprIsTopLevelBindable
, isExprLevPoly
, collectMakeStaticArgs
)
@@ -561,7 +560,7 @@ lvlMFE env strict_ctxt ann_expr
= -- Don't float it out
lvlExpr env ann_expr
- | float_is_new_lam || need_join || exprIsTopLevelBindable expr expr_ty
+ | float_is_new_lam || need_join || not (isUnliftedType expr_ty)
|| expr_ok_for_spec && not (isTopLvl dest_lvl)
-- No wrapping needed if the type is lifted, or is a literal string
-- or if we are wrapping it in one or more value lambdas
diff --git a/compiler/simplCore/Simplify.hs b/compiler/simplCore/Simplify.hs
index 4ef299440e..0bdfb8519b 100644
--- a/compiler/simplCore/Simplify.hs
+++ b/compiler/simplCore/Simplify.hs
@@ -681,8 +681,8 @@ makeTrivialWithInfo top_lvl env context info expr
bindingOk :: TopLevelFlag -> CoreExpr -> Type -> Bool
-- True iff we can have a binding of this expression at this level
-- Precondition: the type is the type of the expression
-bindingOk top_lvl expr expr_ty
- | isTopLevel top_lvl = exprIsTopLevelBindable expr expr_ty
+bindingOk top_lvl _expr expr_ty
+ | isTopLevel top_lvl = not (isUnliftedType expr_ty)
| otherwise = True
{-