X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fcmm%2FCmmExpr.hs;fp=compiler%2Fcmm%2FCmmExpr.hs;h=b8cd3280e86ee27273966a9945fe0bd7fa4e89b5;hp=869bc1b4acc76b8bd3f856e756d2506a1c04e3bc;hb=ffd3bd85a6febeec05c99d0da7dfdf34cad59caf;hpb=7ed114cd6980f62e8473932dee2fc22dca1d2118

diff --git a/compiler/cmm/CmmExpr.hs b/compiler/cmm/CmmExpr.hs
index 869bc1b..b8cd328 100644
--- a/compiler/cmm/CmmExpr.hs
+++ b/compiler/cmm/CmmExpr.hs
@@ -10,7 +10,7 @@ module CmmExpr
     , DefinerOfSlots, UserOfSlots, foldSlotsDefd, foldSlotsUsed
     , RegSet, emptyRegSet, elemRegSet, extendRegSet, deleteFromRegSet, mkRegSet
             , plusRegSet, minusRegSet, timesRegSet
-    , regUsedIn
+    , regUsedIn, regSlot
     , Area(..), AreaId(..), SubArea, SubAreaSet, AreaMap, isStackSlotOf
     , module CmmMachOp
     , module CmmType
@@ -267,6 +267,9 @@ isStackSlotOf :: CmmExpr -> LocalReg -> Bool
 isStackSlotOf (CmmStackSlot (RegSlot r) _) r' = r == r'
 isStackSlotOf _ _ = False
 
+regSlot :: LocalReg -> CmmExpr
+regSlot r = CmmStackSlot (RegSlot r) (widthInBytes $ typeWidth $ localRegType r)
+
 -----------------------------------------------------------------------------
 --    Stack slot use information for expressions and other types [_$_]
 -----------------------------------------------------------------------------