| Safe Haskell | Ignore |
|---|---|
| Language | GHC2021 |
GHC.Cmm.Expr
Synopsis
- data CmmExpr
- cmmExprType :: Platform -> CmmExpr -> CmmType
- cmmExprWidth :: Platform -> CmmExpr -> Width
- cmmExprAlignment :: CmmExpr -> Alignment
- maybeInvertCmmExpr :: CmmExpr -> Maybe CmmExpr
- data CmmReg
- cmmRegType :: CmmReg -> CmmType
- cmmRegWidth :: CmmReg -> Width
- data CmmLit
- cmmLitType :: Platform -> CmmLit -> CmmType
- data AlignmentSpec
- data LocalReg = LocalReg !Unique !CmmType
- localRegType :: LocalReg -> CmmType
- data GlobalReg
- = VanillaReg !Int
- | FloatReg !Int
- | DoubleReg !Int
- | LongReg !Int
- | XmmReg !Int
- | YmmReg !Int
- | ZmmReg !Int
- | Sp
- | SpLim
- | Hp
- | HpLim
- | CCCS
- | CurrentTSO
- | CurrentNursery
- | HpAlloc
- | EagerBlackholeInfo
- | GCEnter1
- | GCFun
- | BaseReg
- | MachSp
- | UnwindReturnReg
- | PicBaseReg
- isArgReg :: GlobalReg -> Bool
- globalRegSpillType :: Platform -> GlobalReg -> CmmType
- data GlobalRegUse = GlobalRegUse {}
- spReg :: Platform -> CmmReg
- hpReg :: Platform -> CmmReg
- spLimReg :: Platform -> CmmReg
- hpLimReg :: Platform -> CmmReg
- nodeReg :: Platform -> CmmReg
- currentTSOReg :: Platform -> CmmReg
- currentNurseryReg :: Platform -> CmmReg
- hpAllocReg :: Platform -> CmmReg
- cccsReg :: Platform -> CmmReg
- node :: GlobalReg
- baseReg :: Platform -> CmmReg
- class Ord r => DefinerOfRegs r a
- class Ord r => UserOfRegs r a
- foldRegsDefd :: DefinerOfRegs r a => Platform -> (b -> r -> b) -> b -> a -> b
- foldRegsUsed :: UserOfRegs r a => Platform -> (b -> r -> b) -> b -> a -> b
- foldLocalRegsDefd :: DefinerOfRegs LocalReg a => Platform -> (b -> LocalReg -> b) -> b -> a -> b
- foldLocalRegsUsed :: UserOfRegs LocalReg a => Platform -> (b -> LocalReg -> b) -> b -> a -> b
- type RegSet r = Set r
- type LocalRegSet = RegSet LocalReg
- type GlobalRegSet = RegSet GlobalReg
- emptyRegSet :: RegSet r
- elemRegSet :: Ord r => r -> RegSet r -> Bool
- extendRegSet :: Ord r => RegSet r -> r -> RegSet r
- deleteFromRegSet :: Ord r => RegSet r -> r -> RegSet r
- mkRegSet :: Ord r => [r] -> RegSet r
- plusRegSet :: Ord r => RegSet r -> RegSet r -> RegSet r
- minusRegSet :: Ord r => RegSet r -> RegSet r -> RegSet r
- timesRegSet :: Ord r => RegSet r -> RegSet r -> RegSet r
- sizeRegSet :: RegSet r -> Int
- nullRegSet :: RegSet r -> Bool
- regSetToList :: RegSet r -> [r]
- isTrivialCmmExpr :: CmmExpr -> Bool
- hasNoGlobalRegs :: CmmExpr -> Bool
- isLit :: CmmExpr -> Bool
- isComparisonExpr :: CmmExpr -> Bool
- data Area
- module GHC.Cmm.MachOp
- module GHC.Cmm.Type
Documentation
Constructors
| CmmLit !CmmLit | |
| CmmLoad !CmmExpr !CmmType !AlignmentSpec | |
| CmmReg !CmmReg | |
| CmmMachOp MachOp [CmmExpr] | |
| CmmStackSlot Area !Int | |
| CmmRegOff !CmmReg !Int |
cmmExprAlignment :: CmmExpr -> Alignment Source #
Returns an alignment in bytes of a CmmExpr when it's a statically known integer constant, otherwise returns an alignment of 1 byte. The caller is responsible for using with a sensible CmmExpr argument.
Constructors
| CmmLocal !LocalReg | |
| CmmGlobal GlobalRegUse |
Instances
| Show CmmReg Source # | |
| Outputable CmmReg Source # | |
| Eq CmmReg Source # | |
| Ord CmmReg Source # | |
| DefinerOfRegs GlobalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| DefinerOfRegs GlobalRegUse CmmReg Source # | |
Defined in GHC.Cmm.Expr Methods foldRegsDefd :: Platform -> (b -> GlobalRegUse -> b) -> b -> CmmReg -> b Source # | |
| DefinerOfRegs LocalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| UserOfRegs GlobalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| UserOfRegs GlobalRegUse CmmReg Source # | |
Defined in GHC.Cmm.Expr Methods foldRegsUsed :: Platform -> (b -> GlobalRegUse -> b) -> b -> CmmReg -> b Source # | |
| UserOfRegs LocalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
cmmRegType :: CmmReg -> CmmType Source #
cmmRegWidth :: CmmReg -> Width Source #
Constructors
| CmmInt !Integer !Width | |
| CmmFloat Rational !Width | |
| CmmVec [CmmLit] | |
| CmmLabel CLabel | |
| CmmLabelOff CLabel !Int | |
| CmmLabelDiffOff CLabel CLabel !Int !Width | |
| CmmBlock !BlockId | |
| CmmHighStackMark |
data AlignmentSpec Source #
Constructors
| NaturallyAligned | |
| Unaligned |
Instances
| Show AlignmentSpec Source # | |
Defined in GHC.Cmm.Expr Methods showsPrec :: Int -> AlignmentSpec -> ShowS # show :: AlignmentSpec -> String # showList :: [AlignmentSpec] -> ShowS # | |
| Eq AlignmentSpec Source # | |
Defined in GHC.Cmm.Expr Methods (==) :: AlignmentSpec -> AlignmentSpec -> Bool # (/=) :: AlignmentSpec -> AlignmentSpec -> Bool # | |
| Ord AlignmentSpec Source # | |
Defined in GHC.Cmm.Expr Methods compare :: AlignmentSpec -> AlignmentSpec -> Ordering # (<) :: AlignmentSpec -> AlignmentSpec -> Bool # (<=) :: AlignmentSpec -> AlignmentSpec -> Bool # (>) :: AlignmentSpec -> AlignmentSpec -> Bool # (>=) :: AlignmentSpec -> AlignmentSpec -> Bool # max :: AlignmentSpec -> AlignmentSpec -> AlignmentSpec # min :: AlignmentSpec -> AlignmentSpec -> AlignmentSpec # | |
Instances
| Show LocalReg Source # | |
| Uniquable LocalReg Source # | |
| Outputable LocalReg Source # | |
| Eq LocalReg Source # | |
| Ord LocalReg Source # | |
Defined in GHC.Cmm.Reg | |
| DefinerOfRegs LocalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| UserOfRegs LocalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| DefinerOfRegs LocalReg (CmmNode e x) Source # | |
Defined in GHC.Cmm.Node | |
| UserOfRegs LocalReg (CmmNode e x) Source # | |
Defined in GHC.Cmm.Node | |
localRegType :: LocalReg -> CmmType Source #
An abstract global register for the STG machine.
See also GlobalRegUse, which denotes a usage of a register at a particular
type (e.g. using a 32-bit wide register to store an 8-bit wide value), as per
Note [GlobalReg vs GlobalRegUse].
Constructors
Instances
| Show GlobalReg Source # | |
| Outputable GlobalReg Source # | |
| Eq GlobalReg Source # | |
| Ord GlobalReg Source # | |
| DefinerOfRegs GlobalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| UserOfRegs GlobalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| OutputableP env GlobalReg Source # | |
| DefinerOfRegs GlobalReg (CmmNode e x) Source # | |
Defined in GHC.Cmm.Node | |
| UserOfRegs GlobalReg (CmmNode e x) Source # | |
Defined in GHC.Cmm.Node | |
data GlobalRegUse Source #
A use of a global register at a particular type.
While a GlobalReg identifies a global register in the STG machine,
a GlobalRegUse also contains information about the type we are storing
in the register.
See Note [GlobalReg vs GlobalRegUse] for more information.
Constructors
| GlobalRegUse | |
Fields
| |
Instances
currentTSOReg :: Platform -> CmmReg Source #
currentNurseryReg :: Platform -> CmmReg Source #
hpAllocReg :: Platform -> CmmReg Source #
class Ord r => DefinerOfRegs r a Source #
Minimal complete definition
Instances
| DefinerOfRegs GlobalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| DefinerOfRegs GlobalRegUse CmmReg Source # | |
Defined in GHC.Cmm.Expr Methods foldRegsDefd :: Platform -> (b -> GlobalRegUse -> b) -> b -> CmmReg -> b Source # | |
| DefinerOfRegs LocalReg CmmReg Source # | |
Defined in GHC.Cmm.Expr | |
| Ord r => DefinerOfRegs r r Source # | |
Defined in GHC.Cmm.Expr Methods foldRegsDefd :: Platform -> (b -> r -> b) -> b -> r -> b Source # | |
| DefinerOfRegs r a => DefinerOfRegs r [a] Source # | |
Defined in GHC.Cmm.Expr Methods foldRegsDefd :: Platform -> (b -> r -> b) -> b -> [a] -> b Source # | |
| DefinerOfRegs GlobalReg (CmmNode e x) Source # | |
Defined in GHC.Cmm.Node | |
| DefinerOfRegs LocalReg (CmmNode e x) Source # | |
Defined in GHC.Cmm.Node | |
class Ord r => UserOfRegs r a Source #
Minimal complete definition
Instances
foldRegsDefd :: DefinerOfRegs r a => Platform -> (b -> r -> b) -> b -> a -> b Source #
foldRegsUsed :: UserOfRegs r a => Platform -> (b -> r -> b) -> b -> a -> b Source #
foldLocalRegsDefd :: DefinerOfRegs LocalReg a => Platform -> (b -> LocalReg -> b) -> b -> a -> b Source #
foldLocalRegsUsed :: UserOfRegs LocalReg a => Platform -> (b -> LocalReg -> b) -> b -> a -> b Source #
type LocalRegSet = RegSet LocalReg Source #
type GlobalRegSet = RegSet GlobalReg Source #
emptyRegSet :: RegSet r Source #
sizeRegSet :: RegSet r -> Int Source #
nullRegSet :: RegSet r -> Bool Source #
regSetToList :: RegSet r -> [r] Source #
isTrivialCmmExpr :: CmmExpr -> Bool Source #
hasNoGlobalRegs :: CmmExpr -> Bool Source #
isComparisonExpr :: CmmExpr -> Bool Source #
A stack area is either the stack slot where a variable is spilled or the stack space where function arguments and results are passed.
module GHC.Cmm.MachOp
module GHC.Cmm.Type