-- complain to Norman Ramsey.
module MkZipCfgCmm
- ( mkNop, mkAssign, mkStore, mkCall, mkUnsafeCall, mkFinalCall
- , mkJump, mkCbranch, mkSwitch, mkReturn, mkComment, mkCmmIfThenElse
- , mkCmmWhileDo
- , (<*>), mkLabel, mkBranch
+ ( mkNop, mkAssign, mkStore, mkCall, mkCmmCall, mkUnsafeCall, mkFinalCall
+ , mkJump, mkCbranch, mkSwitch, mkReturn, mkComment
+ , mkCmmIfThenElse, mkCmmIfThen, mkCmmWhileDo
+ , mkAddToContext
+ , (<*>), catAGraphs, mkLabel, mkBranch
, emptyAGraph, withFreshLabel, withUnique, outOfLine
, lgraphOfAGraph, graphOfAGraph, labelAGraph
, CmmZ, CmmTopZ, CmmGraph, CmmBlock, CmmAGraph, Middle, Last, Convention(..)
type CmmZ = GenCmm CmmStatic CmmInfo CmmGraph
type CmmTopZ = GenCmmTop CmmStatic CmmInfo CmmGraph
+---------- No-ops
mkNop :: CmmAGraph
+mkComment :: FastString -> CmmAGraph
+
+---------- Assignment and store
mkAssign :: CmmReg -> CmmExpr -> CmmAGraph
mkStore :: CmmExpr -> CmmExpr -> CmmAGraph
+
+---------- Calls
mkCall :: CmmExpr -> CCallConv -> CmmFormals -> CmmActuals -> C_SRT -> CmmAGraph
+mkCmmCall :: CmmExpr -> CmmFormals -> CmmActuals -> C_SRT -> CmmAGraph
+ -- Native C-- calling convention
mkUnsafeCall :: CmmCallTarget -> CmmFormals -> CmmActuals -> CmmAGraph
mkFinalCall :: CmmExpr -> CCallConv -> CmmActuals -> CmmAGraph
-- Never returns; like exit() or barf()
-mkJump :: CmmExpr -> CmmActuals -> CmmAGraph
-mkCbranch :: CmmExpr -> BlockId -> BlockId -> CmmAGraph
-mkSwitch :: CmmExpr -> [Maybe BlockId] -> CmmAGraph
-mkReturn :: CmmActuals -> CmmAGraph
-mkComment :: FastString -> CmmAGraph
--- Not to be forgotten, but exported by MkZipCfg:
---mkBranch :: BlockId -> CmmAGraph
---mkLabel :: BlockId -> CmmAGraph
+---------- Context manipulation ('return via')
+mkAddToContext :: CmmExpr -> [CmmExpr] -> CmmAGraph
+
+---------- Control transfer
+mkJump :: CmmExpr -> CmmActuals -> CmmAGraph
+mkCbranch :: CmmExpr -> BlockId -> BlockId -> CmmAGraph
+mkSwitch :: CmmExpr -> [Maybe BlockId] -> CmmAGraph
+mkReturn :: CmmActuals -> CmmAGraph
+
mkCmmIfThenElse :: CmmExpr -> CmmAGraph -> CmmAGraph -> CmmAGraph
+mkCmmIfThen :: CmmExpr -> CmmAGraph -> CmmAGraph
mkCmmWhileDo :: CmmExpr -> CmmAGraph -> CmmAGraph
+-- Not to be forgotten, but exported by MkZipCfg:
+-- mkBranch :: BlockId -> CmmAGraph
+-- mkLabel :: BlockId -> CmmAGraph
+-- outOfLine :: CmmAGraph -> CmmAGraph
+-- withUnique :: (Unique -> CmmAGraph) -> CmmAGraph
+-- withFreshLabel :: String -> (BlockId -> CmmAGraph) -> CmmAGraph
+
--------------------------------------------------------------------------
+mkCmmWhileDo e = mkWhileDo (mkCbranch e)
mkCmmIfThenElse e = mkIfThenElse (mkCbranch e)
-mkCmmWhileDo e = mkWhileDo (mkCbranch e)
+
+mkCmmIfThen e tbranch
+ = withFreshLabel "end of if" $ \endif ->
+ withFreshLabel "start of then" $ \tid ->
+ mkCbranch e tid endif <*>
+ mkLabel tid <*> tbranch <*> mkBranch endif <*>
+ mkLabel endif
+
-- ================ IMPLEMENTATION ================--
-mkNop = mkMiddle $ MidNop
+mkNop = emptyAGraph
mkComment fs = mkMiddle $ MidComment fs
mkAssign l r = mkMiddle $ MidAssign l r
mkStore l r = mkMiddle $ MidStore l r
mkSwitch e tbl = mkLast $ LastSwitch e tbl
mkUnsafeCall tgt results actuals = mkMiddle $ MidUnsafeCall tgt results actuals
+mkAddToContext ra actuals = mkMiddle $ MidAddToContext ra actuals
cmmArgConv, cmmResConv :: Convention
cmmArgConv = ConventionStandard CmmCallConv Arguments
mkMiddle (CopyOut (ConventionStandard conv Arguments) actuals) <*>
mkLast (LastCall f Nothing)
+mkCmmCall f results actuals srt = mkCall f CmmCallConv results actuals srt
+
mkCall f conv results actuals srt =
withFreshLabel "call successor" $ \k ->
mkMiddle (CopyOut (ConventionStandard conv Arguments) actuals) <*>