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authorMax Bolingbroke <batterseapower@hotmail.com>2012-03-18 00:00:38 +0000
committerMax Bolingbroke <batterseapower@hotmail.com>2012-05-15 21:32:55 +0100
commit09987de4ece1fc634af6b2b37173b12ed46fdf3e (patch)
tree42f2d5495c064994edd92d0d11574749d4353562 /compiler/ghci/ByteCodeItbls.lhs
parent7950f46c8698aa813e6f1c9de9c8b5c7fe57ed93 (diff)
downloadhaskell-unboxed-tuple-arguments2.tar.gz
Support code generation for unboxed-tuple function argumentsunboxed-tuple-arguments2
This is done by a 'unarisation' pre-pass at the STG level which translates away all (live) binders binding something of unboxed tuple type. This has the following knock-on effects: * The subkind hierarchy is vastly simplified (no UbxTupleKind or ArgKind) * Various relaxed type checks in typechecker, 'foreign import prim' etc * All case binders may be live at the Core level
Diffstat (limited to 'compiler/ghci/ByteCodeItbls.lhs')
-rw-r--r--compiler/ghci/ByteCodeItbls.lhs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/ghci/ByteCodeItbls.lhs b/compiler/ghci/ByteCodeItbls.lhs
index e6da6407bb..7378141e3d 100644
--- a/compiler/ghci/ByteCodeItbls.lhs
+++ b/compiler/ghci/ByteCodeItbls.lhs
@@ -25,6 +25,7 @@ import NameEnv
import ClosureInfo
import DataCon ( DataCon, dataConRepArgTys, dataConIdentity )
import TyCon ( TyCon, tyConFamilySize, isDataTyCon, tyConDataCons )
+import Type ( flattenRepType, repType )
import Constants ( mIN_PAYLOAD_SIZE, wORD_SIZE )
import CgHeapery ( mkVirtHeapOffsets )
import Util
@@ -98,7 +99,7 @@ make_constr_itbls cons
mk_itbl :: DataCon -> Int -> Ptr () -> IO (Name,ItblPtr)
mk_itbl dcon conNo entry_addr = do
- let rep_args = [ (typeCgRep arg,arg) | arg <- dataConRepArgTys dcon ]
+ let rep_args = [ (typeCgRep rep_arg,rep_arg) | arg <- dataConRepArgTys dcon, rep_arg <- flattenRepType (repType arg) ]
(tot_wds, ptr_wds, _) = mkVirtHeapOffsets False{-not a THUNK-} rep_args
ptrs' = ptr_wds