import RegAlloc.Linear.Stats
import RegAlloc.Linear.StackMap
import RegAlloc.Linear.Base
-import RegAlloc.Linear.FreeRegs
import RegAlloc.Liveness
import Instruction
import Reg
-- | Run a computation in the RegM register allocator monad.
-runR :: BlockAssignment
- -> FreeRegs
+runR :: BlockAssignment freeRegs
+ -> freeRegs
-> RegMap Loc
-> StackMap
-> UniqSupply
- -> RegM FreeRegs a
- -> (BlockAssignment, StackMap, RegAllocStats, a)
+ -> RegM freeRegs a
+ -> (BlockAssignment freeRegs, StackMap, RegAllocStats, a)
runR block_assig freeregs assig stack us thing =
case unReg thing
-- | Make register allocator stats from its final state.
-makeRAStats :: RA_State FreeRegs -> RegAllocStats
+makeRAStats :: RA_State freeRegs -> RegAllocStats
makeRAStats state
= RegAllocStats
{ ra_spillInstrs = binSpillReasons (ra_spills state) }
spillR :: Instruction instr
- => Reg -> Unique -> RegM FreeRegs (instr, Int)
+ => Reg -> Unique -> RegM freeRegs (instr, Int)
spillR reg temp = RegM $ \ s@RA_State{ra_delta=delta, ra_stack=stack} ->
let (stack',slot) = getStackSlotFor stack temp
loadR :: Instruction instr
- => Reg -> Int -> RegM FreeRegs instr
+ => Reg -> Int -> RegM freeRegs instr
loadR reg slot = RegM $ \ s@RA_State{ra_delta=delta} ->
(# s, mkLoadInstr reg delta slot #)
-getFreeRegsR :: RegM FreeRegs FreeRegs
+getFreeRegsR :: RegM freeRegs freeRegs
getFreeRegsR = RegM $ \ s@RA_State{ra_freeregs = freeregs} ->
(# s, freeregs #)
-setFreeRegsR :: FreeRegs -> RegM FreeRegs ()
+setFreeRegsR :: freeRegs -> RegM freeRegs ()
setFreeRegsR regs = RegM $ \ s ->
(# s{ra_freeregs = regs}, () #)
-getAssigR :: RegM FreeRegs (RegMap Loc)
+getAssigR :: RegM freeRegs (RegMap Loc)
getAssigR = RegM $ \ s@RA_State{ra_assig = assig} ->
(# s, assig #)
-setAssigR :: RegMap Loc -> RegM FreeRegs ()
+setAssigR :: RegMap Loc -> RegM freeRegs ()
setAssigR assig = RegM $ \ s ->
(# s{ra_assig=assig}, () #)
-getBlockAssigR :: RegM FreeRegs BlockAssignment
+getBlockAssigR :: RegM freeRegs (BlockAssignment freeRegs)
getBlockAssigR = RegM $ \ s@RA_State{ra_blockassig = assig} ->
(# s, assig #)
-setBlockAssigR :: BlockAssignment -> RegM FreeRegs ()
+setBlockAssigR :: BlockAssignment freeRegs -> RegM freeRegs ()
setBlockAssigR assig = RegM $ \ s ->
(# s{ra_blockassig = assig}, () #)
-setDeltaR :: Int -> RegM FreeRegs ()
+setDeltaR :: Int -> RegM freeRegs ()
setDeltaR n = RegM $ \ s ->
(# s{ra_delta = n}, () #)
-getDeltaR :: RegM FreeRegs Int
+getDeltaR :: RegM freeRegs Int
getDeltaR = RegM $ \s -> (# s, ra_delta s #)
-getUniqueR :: RegM FreeRegs Unique
+getUniqueR :: RegM freeRegs Unique
getUniqueR = RegM $ \s ->
case takeUniqFromSupply (ra_us s) of
(uniq, us) -> (# s{ra_us = us}, uniq #)
-- | Record that a spill instruction was inserted, for profiling.
-recordSpill :: SpillReason -> RegM FreeRegs ()
+recordSpill :: SpillReason -> RegM freeRegs ()
recordSpill spill
= RegM $ \s -> (# s { ra_spills = spill : ra_spills s}, () #)