X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fcmm%2FCmm.hs;h=38dc5b3ba5bea44fe466bdd495f8a94d973614e0;hb=393f26621b762225b204b3dc78b05a3ecf08871e;hp=db5accd3c05ba6f255e4219efaa3e1381f2d3c89;hpb=fd8d04119e849f9c713d3e697228846d93c5ca69;p=ghc-hetmet.git

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index db5accd..38dc5b3 100644
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -1,7 +1,3 @@
-{-# OPTIONS -fno-warn-name-shadowing -w #-}
--- We'd like to use -fno-warn-orphans rather than -w, but old compilers
--- don't understand it so building stage1 fails.
-
 -----------------------------------------------------------------------------
 --
 -- Cmm data types
@@ -22,17 +18,16 @@ module Cmm (
         CmmReturnInfo(..),
 	CmmStmt(..), CmmActual, CmmActuals, CmmFormal, CmmFormals, CmmKind,
         CmmFormalsWithoutKinds, CmmFormalWithoutKind,
+        CmmKinded(..),
         CmmSafety(..),
 	CmmCallTarget(..),
 	CmmStatic(..), Section(..),
         module CmmExpr,
-        BlockId(..), freshBlockId,
-        BlockEnv, emptyBlockEnv, lookupBlockEnv, extendBlockEnv, mkBlockEnv,
-        BlockSet, emptyBlockSet, elemBlockSet, extendBlockSet,
   ) where
 
 #include "HsVersions.h"
 
+import BlockId
 import CmmExpr
 import MachOp
 import CLabel
@@ -44,10 +39,6 @@ import FastString
 
 import Data.Word
 
-import ZipCfg (	BlockId(..), freshBlockId
-              , BlockEnv, emptyBlockEnv, lookupBlockEnv, extendBlockEnv, mkBlockEnv
-              , BlockSet, emptyBlockSet, elemBlockSet, extendBlockSet
-              )
 
 -- A [[BlockId]] is a local label.
 -- Local labels must be unique within an entire compilation unit, not
@@ -243,8 +234,10 @@ data CmmStmt
       CmmActuals         -- with these return values.
 
 type CmmKind   = MachHint
-type CmmActual = (CmmExpr, CmmKind)
-type CmmFormal = (LocalReg,CmmKind)
+data CmmKinded a = CmmKinded { kindlessCmm :: a, cmmKind :: CmmKind }
+                         deriving (Eq)
+type CmmActual = CmmKinded CmmExpr
+type CmmFormal = CmmKinded LocalReg
 type CmmActuals = [CmmActual]
 type CmmFormals = [CmmFormal]
 type CmmFormalWithoutKind   = LocalReg
@@ -253,8 +246,8 @@ type CmmFormalsWithoutKinds = [CmmFormalWithoutKind]
 data CmmSafety      = CmmUnsafe | CmmSafe C_SRT
 
 -- | enable us to fold used registers over 'CmmActuals' and 'CmmFormals'
-instance UserOfLocalRegs a => UserOfLocalRegs (a, CmmKind) where
-  foldRegsUsed f set (a, _) = foldRegsUsed f set a
+instance UserOfLocalRegs a => UserOfLocalRegs (CmmKinded a) where
+  foldRegsUsed f set (CmmKinded a _) = foldRegsUsed f set a
 
 instance UserOfLocalRegs CmmStmt where
   foldRegsUsed f set s = stmt s set
@@ -274,6 +267,14 @@ instance UserOfLocalRegs CmmCallTarget where
     foldRegsUsed f set (CmmCallee e _) = foldRegsUsed f set e
     foldRegsUsed _ set (CmmPrim {})    = set
 
+instance DefinerOfLocalRegs a => DefinerOfLocalRegs (CmmKinded a) where
+  foldRegsDefd f z (CmmKinded x _) = foldRegsDefd f z x
+
+--just look like a tuple, since it was a tuple before
+-- ... is that a good idea? --Isaac Dupree
+instance (Outputable a) => Outputable (CmmKinded a) where
+  ppr (CmmKinded a k) = ppr (a, k)
+
 {-
 Discussion
 ~~~~~~~~~~
@@ -329,6 +330,7 @@ data CmmCallTarget
   | CmmPrim		-- Call a "primitive" (eg. sin, cos)
 	CallishMachOp		-- These might be implemented as inline
 				-- code by the backend.
+  deriving Eq
 
 -----------------------------------------------------------------------------
 --		Static Data