#include <MSP430ISelLowering.h>

Inheritance diagram for llvm::MSP430TargetLowering:

Collaboration diagram for llvm::MSP430TargetLowering:

Public Member Functions
	MSP430TargetLowering (MSP430TargetMachine &TM)

virtual MVT	getScalarShiftAmountTy (EVT LHSTy) const

virtual SDValue	LowerOperation (SDValue Op, SelectionDAG &DAG) const
	LowerOperation - Provide custom lowering hooks for some operations. More...

virtual const char *	getTargetNodeName (unsigned Opcode) const

SDValue	LowerShifts (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerGlobalAddress (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerBlockAddress (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerExternalSymbol (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerBR_CC (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerSETCC (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerSELECT_CC (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerSIGN_EXTEND (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerRETURNADDR (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerFRAMEADDR (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerVASTART (SDValue Op, SelectionDAG &DAG) const

SDValue	LowerJumpTable (SDValue Op, SelectionDAG &DAG) const

SDValue	getReturnAddressFrameIndex (SelectionDAG &DAG) const

TargetLowering::ConstraintType	getConstraintType (const std::string &Constraint) const

std::pair< unsigned, const TargetRegisterClass * >	getRegForInlineAsmConstraint (const std::string &Constraint, MVT VT) const

virtual bool	isTruncateFree (Type Ty1, Type Ty2) const

virtual bool	isTruncateFree (EVT VT1, EVT VT2) const

virtual bool	isZExtFree (Type Ty1, Type Ty2) const

virtual bool	isZExtFree (EVT VT1, EVT VT2) const

virtual bool	isZExtFree (SDValue Val, EVT VT2) const

MachineBasicBlock *	EmitInstrWithCustomInserter (MachineInstr MI, MachineBasicBlock BB) const

MachineBasicBlock *	EmitShiftInstr (MachineInstr MI, MachineBasicBlock BB) const

Public Member Functions inherited from llvm::TargetLowering
	TargetLowering (const TargetMachine &TM, const TargetLoweringObjectFile *TLOF)
	NOTE: The constructor takes ownership of TLOF. More...

virtual bool	getPreIndexedAddressParts (SDNode *, SDValue &, SDValue &, ISD::MemIndexedMode &, SelectionDAG &) const

virtual unsigned	getJumpTableEncoding () const

virtual const MCExpr *	LowerCustomJumpTableEntry (const MachineJumpTableInfo , const MachineBasicBlock , unsigned, MCContext &) const

virtual SDValue	getPICJumpTableRelocBase (SDValue Table, SelectionDAG &DAG) const
	Returns relocation base for the given PIC jumptable. More...

virtual const MCExpr *	getPICJumpTableRelocBaseExpr (const MachineFunction *MF, unsigned JTI, MCContext &Ctx) const

virtual bool	isOffsetFoldingLegal (const GlobalAddressSDNode *GA) const

bool	isInTailCallPosition (SelectionDAG &DAG, SDNode *Node, SDValue &Chain) const

void	softenSetCCOperands (SelectionDAG &DAG, EVT VT, SDValue &NewLHS, SDValue &NewRHS, ISD::CondCode &CCCode, SDLoc DL) const

std::pair< SDValue, SDValue >	makeLibCall (SelectionDAG &DAG, RTLIB::Libcall LC, EVT RetVT, const SDValue *Ops, unsigned NumOps, bool isSigned, SDLoc dl, bool doesNotReturn=false, bool isReturnValueUsed=true) const
	Returns a pair of (return value, chain). More...

bool	SimplifyDemandedBits (SDValue Op, const APInt &DemandedMask, APInt &KnownZero, APInt &KnownOne, TargetLoweringOpt &TLO, unsigned Depth=0) const

virtual void	computeMaskedBitsForTargetNode (const SDValue Op, APInt &KnownZero, APInt &KnownOne, const SelectionDAG &DAG, unsigned Depth=0) const

virtual unsigned	ComputeNumSignBitsForTargetNode (SDValue Op, unsigned Depth=0) const

SDValue	SimplifySetCC (EVT VT, SDValue N0, SDValue N1, ISD::CondCode Cond, bool foldBooleans, DAGCombinerInfo &DCI, SDLoc dl) const

virtual bool	isGAPlusOffset (SDNode N, const GlobalValue &GA, int64_t &Offset) const

virtual SDValue	PerformDAGCombine (SDNode *N, DAGCombinerInfo &DCI) const

virtual bool	isTypeDesirableForOp (unsigned, EVT VT) const

virtual bool	isDesirableToTransformToIntegerOp (unsigned, EVT) const

virtual bool	IsDesirableToPromoteOp (SDValue, EVT &) const

std::pair< SDValue, SDValue >	LowerCallTo (CallLoweringInfo &CLI) const

virtual void	HandleByVal (CCState *, unsigned &, unsigned) const
	Target-specific cleanup for formal ByVal parameters. More...

virtual bool	CanLowerReturn (CallingConv::ID, MachineFunction &, bool, const SmallVectorImpl< ISD::OutputArg > &, LLVMContext &) const

virtual bool	isUsedByReturnOnly (SDNode *, SDValue &) const

virtual bool	mayBeEmittedAsTailCall (CallInst *) const

virtual MVT	getTypeForExtArgOrReturn (MVT VT, ISD::NodeType) const

virtual const uint16_t *	getScratchRegisters (CallingConv::ID CC) const

virtual void	LowerOperationWrapper (SDNode *N, SmallVectorImpl< SDValue > &Results, SelectionDAG &DAG) const

virtual void	ReplaceNodeResults (SDNode *, SmallVectorImpl< SDValue > &, SelectionDAG &) const

virtual FastISel *	createFastISel (FunctionLoweringInfo &, const TargetLibraryInfo *) const

virtual bool	ExpandInlineAsm (CallInst *) const

virtual AsmOperandInfoVector	ParseConstraints (ImmutableCallSite CS) const

virtual ConstraintWeight	getMultipleConstraintMatchWeight (AsmOperandInfo &info, int maIndex) const

virtual ConstraintWeight	getSingleConstraintMatchWeight (AsmOperandInfo &info, const char *constraint) const

virtual void	ComputeConstraintToUse (AsmOperandInfo &OpInfo, SDValue Op, SelectionDAG *DAG=0) const

virtual const char *	LowerXConstraint (EVT ConstraintVT) const

virtual void	LowerAsmOperandForConstraint (SDValue Op, std::string &Constraint, std::vector< SDValue > &Ops, SelectionDAG &DAG) const

SDValue	BuildExactSDIV (SDValue Op1, SDValue Op2, SDLoc dl, SelectionDAG &DAG) const
	Given an exact SDIV by a constant, create a multiplication with the multiplicative inverse of the constant. More...

SDValue	BuildSDIV (SDNode N, SelectionDAG &DAG, bool IsAfterLegalization, std::vector< SDNode > *Created) const
	Given an ISD::SDIV node expressing a divide by constant, return a DAG expression to select that will generate the same value by multiplying by a magic number. See: http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html More...

SDValue	BuildUDIV (SDNode N, SelectionDAG &DAG, bool IsAfterLegalization, std::vector< SDNode > *Created) const
	Given an ISD::UDIV node expressing a divide by constant, return a DAG expression to select that will generate the same value by multiplying by a magic number. See: http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html More...

virtual void	AdjustInstrPostInstrSelection (MachineInstr MI, SDNode Node) const

Public Member Functions inherited from llvm::TargetLoweringBase
	TargetLoweringBase (const TargetMachine &TM, const TargetLoweringObjectFile *TLOF)
	NOTE: The constructor takes ownership of TLOF. More...

virtual	~TargetLoweringBase ()

const TargetMachine &	getTargetMachine () const

const DataLayout *	getDataLayout () const

const TargetLoweringObjectFile &	getObjFileLowering () const

bool	isBigEndian () const

bool	isLittleEndian () const

virtual MVT	getPointerTy (uint32_t=0) const

unsigned	getPointerSizeInBits (uint32_t AS=0) const

unsigned	getPointerTypeSizeInBits (Type *Ty) const

EVT	getShiftAmountTy (EVT LHSTy) const

virtual MVT	getVectorIdxTy () const

bool	isSelectExpensive () const
	Return true if the select operation is expensive for this target. More...

virtual bool	isSelectSupported (SelectSupportKind) const

virtual bool	shouldSplitVectorElementType (EVT) const

bool	isIntDivCheap () const

bool	isSlowDivBypassed () const
	Returns true if target has indicated at least one type should be bypassed. More...

const DenseMap< unsigned int, unsigned int > &	getBypassSlowDivWidths () const

bool	isPow2DivCheap () const
	Return true if pow2 div is cheaper than a chain of srl/add/sra. More...

bool	isJumpExpensive () const

bool	isPredictableSelectExpensive () const

virtual bool	isLoadBitCastBeneficial (EVT, EVT) const

virtual EVT	getSetCCResultType (LLVMContext &Context, EVT VT) const

virtual MVT::SimpleValueType	getCmpLibcallReturnType () const

BooleanContent	getBooleanContents (bool isVec) const

Sched::Preference	getSchedulingPreference () const
	Return target scheduling preference. More...

virtual Sched::Preference	getSchedulingPreference (SDNode *) const

virtual const TargetRegisterClass *	getRegClassFor (MVT VT) const

virtual const TargetRegisterClass *	getRepRegClassFor (MVT VT) const

virtual uint8_t	getRepRegClassCostFor (MVT VT) const

bool	isTypeLegal (EVT VT) const

const ValueTypeActionImpl &	getValueTypeActions () const

LegalizeTypeAction	getTypeAction (LLVMContext &Context, EVT VT) const

LegalizeTypeAction	getTypeAction (MVT VT) const

EVT	getTypeToTransformTo (LLVMContext &Context, EVT VT) const

EVT	getTypeToExpandTo (LLVMContext &Context, EVT VT) const

unsigned	getVectorTypeBreakdown (LLVMContext &Context, EVT VT, EVT &IntermediateVT, unsigned &NumIntermediates, MVT &RegisterVT) const

virtual bool	getTgtMemIntrinsic (IntrinsicInfo &, const CallInst &, unsigned) const

virtual bool	isFPImmLegal (const APFloat &, EVT) const

virtual bool	isShuffleMaskLegal (const SmallVectorImpl< int > &, EVT) const

virtual bool	canOpTrap (unsigned Op, EVT VT) const

virtual bool	isVectorClearMaskLegal (const SmallVectorImpl< int > &, EVT) const

LegalizeAction	getOperationAction (unsigned Op, EVT VT) const

bool	isOperationLegalOrCustom (unsigned Op, EVT VT) const

bool	isOperationLegalOrPromote (unsigned Op, EVT VT) const

bool	isOperationExpand (unsigned Op, EVT VT) const

bool	isOperationLegal (unsigned Op, EVT VT) const
	Return true if the specified operation is legal on this target. More...

LegalizeAction	getLoadExtAction (unsigned ExtType, MVT VT) const

bool	isLoadExtLegal (unsigned ExtType, EVT VT) const
	Return true if the specified load with extension is legal on this target. More...

LegalizeAction	getTruncStoreAction (MVT ValVT, MVT MemVT) const

bool	isTruncStoreLegal (EVT ValVT, EVT MemVT) const

LegalizeAction	getIndexedLoadAction (unsigned IdxMode, MVT VT) const

bool	isIndexedLoadLegal (unsigned IdxMode, EVT VT) const
	Return true if the specified indexed load is legal on this target. More...

LegalizeAction	getIndexedStoreAction (unsigned IdxMode, MVT VT) const

bool	isIndexedStoreLegal (unsigned IdxMode, EVT VT) const
	Return true if the specified indexed load is legal on this target. More...

LegalizeAction	getCondCodeAction (ISD::CondCode CC, MVT VT) const

bool	isCondCodeLegal (ISD::CondCode CC, MVT VT) const
	Return true if the specified condition code is legal on this target. More...

MVT	getTypeToPromoteTo (unsigned Op, MVT VT) const

EVT	getValueType (Type *Ty, bool AllowUnknown=false) const

MVT	getSimpleValueType (Type *Ty, bool AllowUnknown=false) const
	Return the MVT corresponding to this LLVM type. See getValueType. More...

virtual unsigned	getByValTypeAlignment (Type *Ty) const

MVT	getRegisterType (MVT VT) const
	Return the type of registers that this ValueType will eventually require. More...

MVT	getRegisterType (LLVMContext &Context, EVT VT) const
	Return the type of registers that this ValueType will eventually require. More...

unsigned	getNumRegisters (LLVMContext &Context, EVT VT) const

virtual bool	ShouldShrinkFPConstant (EVT) const

bool	hasTargetDAGCombine (ISD::NodeType NT) const

unsigned	getMaxStoresPerMemset (bool OptSize) const
	Get maximum # of store operations permitted for llvm.memset. More...

unsigned	getMaxStoresPerMemcpy (bool OptSize) const
	Get maximum # of store operations permitted for llvm.memcpy. More...

unsigned	getMaxStoresPerMemmove (bool OptSize) const
	Get maximum # of store operations permitted for llvm.memmove. More...

virtual bool	allowsUnalignedMemoryAccesses (EVT, bool *=0) const
	Determine if the target supports unaligned memory accesses. More...

virtual EVT	getOptimalMemOpType (uint64_t, unsigned, unsigned, bool, bool, bool, MachineFunction &) const

virtual bool	isSafeMemOpType (MVT) const

bool	usesUnderscoreSetJmp () const
	Determine if we should use _setjmp or setjmp to implement llvm.setjmp. More...

bool	usesUnderscoreLongJmp () const
	Determine if we should use _longjmp or longjmp to implement llvm.longjmp. More...

bool	supportJumpTables () const
	Return whether the target can generate code for jump tables. More...

int	getMinimumJumpTableEntries () const

unsigned	getStackPointerRegisterToSaveRestore () const

unsigned	getExceptionPointerRegister () const

unsigned	getExceptionSelectorRegister () const

unsigned	getJumpBufSize () const

unsigned	getJumpBufAlignment () const

unsigned	getMinStackArgumentAlignment () const
	Return the minimum stack alignment of an argument. More...

unsigned	getMinFunctionAlignment () const
	Return the minimum function alignment. More...

unsigned	getPrefFunctionAlignment () const
	Return the preferred function alignment. More...

unsigned	getPrefLoopAlignment () const
	Return the preferred loop alignment. More...

bool	getInsertFencesForAtomic () const

virtual bool	getStackCookieLocation (unsigned &, unsigned &) const

virtual unsigned	getMaximalGlobalOffset () const

virtual bool	isNoopAddrSpaceCast (unsigned SrcAS, unsigned DestAS) const
	Returns true if a cast between SrcAS and DestAS is a noop. More...

virtual void	resetOperationActions ()
	Reset the operation actions based on target options. More...

virtual bool	GetAddrModeArguments (IntrinsicInst , SmallVectorImpl< Value > &, Type *&) const

virtual bool	isLegalAddressingMode (const AddrMode &AM, Type *Ty) const

virtual int	getScalingFactorCost (const AddrMode &AM, Type *Ty) const
	Return the cost of the scaling factor used in the addressing mode represented by AM for this target, for a load/store of the specified type. More...

virtual bool	isLegalICmpImmediate (int64_t) const

virtual bool	isLegalAddImmediate (int64_t) const

virtual bool	allowTruncateForTailCall (Type , Type ) const

virtual bool	hasPairedLoad (Type *, unsigned &) const

virtual bool	hasPairedLoad (EVT, unsigned &) const

virtual bool	isFNegFree (EVT VT) const

virtual bool	isFAbsFree (EVT VT) const

virtual bool	isFMAFasterThanFMulAndFAdd (EVT) const

virtual bool	isNarrowingProfitable (EVT, EVT) const

void	setLibcallName (RTLIB::Libcall Call, const char *Name)
	Rename the default libcall routine name for the specified libcall. More...

const char *	getLibcallName (RTLIB::Libcall Call) const
	Get the libcall routine name for the specified libcall. More...

void	setCmpLibcallCC (RTLIB::Libcall Call, ISD::CondCode CC)

ISD::CondCode	getCmpLibcallCC (RTLIB::Libcall Call) const

void	setLibcallCallingConv (RTLIB::Libcall Call, CallingConv::ID CC)
	Set the CallingConv that should be used for the specified libcall. More...

CallingConv::ID	getLibcallCallingConv (RTLIB::Libcall Call) const
	Get the CallingConv that should be used for the specified libcall. More...

LegalizeKind	getTypeConversion (LLVMContext &Context, EVT VT) const

int	InstructionOpcodeToISD (unsigned Opcode) const
	Get the ISD node that corresponds to the Instruction class opcode. More...

std::pair< unsigned, MVT >	getTypeLegalizationCost (Type *Ty) const
	Estimate the cost of type-legalization and the legalized type. More...

Additional Inherited Members
Public Types inherited from llvm::TargetLowering
enum	ConstraintType { C_Register, C_RegisterClass, C_Memory, C_Other, C_Unknown }

enum	ConstraintWeight { CW_Invalid = -1, CW_Okay = 0, CW_Good = 1, CW_Better = 2, CW_Best = 3, CW_SpecificReg = CW_Okay, CW_Register = CW_Good, CW_Memory = CW_Better, CW_Constant = CW_Best, CW_Default = CW_Okay }

typedef std::vector< ArgListEntry >	ArgListTy

typedef std::vector < AsmOperandInfo >	AsmOperandInfoVector

Public Types inherited from llvm::TargetLoweringBase
enum	LegalizeAction { Legal, Promote, Expand, Custom }

enum	LegalizeTypeAction { TypeLegal, TypePromoteInteger, TypeExpandInteger, TypeSoftenFloat, TypeExpandFloat, TypeScalarizeVector, TypeSplitVector, TypeWidenVector }

enum	BooleanContent { UndefinedBooleanContent, ZeroOrOneBooleanContent, ZeroOrNegativeOneBooleanContent }
	Enum that describes how the target represents true/false values. More...

enum	SelectSupportKind { ScalarValSelect, ScalarCondVectorVal, VectorMaskSelect }
	Enum that describes what type of support for selects the target has. More...

typedef std::pair < LegalizeTypeAction, EVT >	LegalizeKind

Static Public Member Functions inherited from llvm::TargetLoweringBase
static ISD::NodeType	getExtendForContent (BooleanContent Content)

Protected Member Functions inherited from llvm::TargetLoweringBase
void	initActions ()
	Initialize all of the actions to default values. More...

void	setBooleanContents (BooleanContent Ty)

void	setBooleanVectorContents (BooleanContent Ty)

void	setSchedulingPreference (Sched::Preference Pref)
	Specify the target scheduling preference. More...

void	setUseUnderscoreSetJmp (bool Val)

void	setUseUnderscoreLongJmp (bool Val)

void	setSupportJumpTables (bool Val)
	Indicate whether the target can generate code for jump tables. More...

void	setMinimumJumpTableEntries (int Val)

void	setStackPointerRegisterToSaveRestore (unsigned R)

void	setExceptionPointerRegister (unsigned R)

void	setExceptionSelectorRegister (unsigned R)

void	setSelectIsExpensive (bool isExpensive=true)

void	setJumpIsExpensive (bool isExpensive=true)

void	setIntDivIsCheap (bool isCheap=true)

void	addBypassSlowDiv (unsigned int SlowBitWidth, unsigned int FastBitWidth)
	Tells the code generator which bitwidths to bypass. More...

void	setPow2DivIsCheap (bool isCheap=true)

void	addRegisterClass (MVT VT, const TargetRegisterClass *RC)

void	clearRegisterClasses ()
	Remove all register classes. More...

void	clearOperationActions ()
	Remove all operation actions. More...

virtual std::pair< const TargetRegisterClass *, uint8_t >	findRepresentativeClass (MVT VT) const

void	computeRegisterProperties ()

void	setOperationAction (unsigned Op, MVT VT, LegalizeAction Action)

void	setLoadExtAction (unsigned ExtType, MVT VT, LegalizeAction Action)

void	setTruncStoreAction (MVT ValVT, MVT MemVT, LegalizeAction Action)

void	setIndexedLoadAction (unsigned IdxMode, MVT VT, LegalizeAction Action)

void	setIndexedStoreAction (unsigned IdxMode, MVT VT, LegalizeAction Action)

void	setCondCodeAction (ISD::CondCode CC, MVT VT, LegalizeAction Action)

void	AddPromotedToType (unsigned Opc, MVT OrigVT, MVT DestVT)

void	setTargetDAGCombine (ISD::NodeType NT)

void	setJumpBufSize (unsigned Size)
	Set the target's required jmp_buf buffer size (in bytes); default is 200. More...

void	setJumpBufAlignment (unsigned Align)

void	setMinFunctionAlignment (unsigned Align)
	Set the target's minimum function alignment (in log2(bytes)) More...

void	setPrefFunctionAlignment (unsigned Align)

void	setPrefLoopAlignment (unsigned Align)

void	setMinStackArgumentAlignment (unsigned Align)
	Set the minimum stack alignment of an argument (in log2(bytes)). More...

void	setInsertFencesForAtomic (bool fence)

bool	isLegalRC (const TargetRegisterClass *RC) const

Protected Attributes inherited from llvm::TargetLoweringBase
unsigned	MaxStoresPerMemset
	Specify maximum number of store instructions per memset call. More...

unsigned	MaxStoresPerMemsetOptSize

unsigned	MaxStoresPerMemcpy
	Specify maximum bytes of store instructions per memcpy call. More...

unsigned	MaxStoresPerMemcpyOptSize

unsigned	MaxStoresPerMemmove
	Specify maximum bytes of store instructions per memmove call. More...

unsigned	MaxStoresPerMemmoveOptSize

bool	PredictableSelectIsExpensive

Detailed Description

Definition at line 72 of file MSP430ISelLowering.h.

Constructor & Destructor Documentation

MSP430TargetLowering::MSP430TargetLowering ( MSP430TargetMachine & TM )

explicit

Definition at line 60 of file MSP430ISelLowering.cpp.

Member Function Documentation

MachineBasicBlock * MSP430TargetLowering::EmitInstrWithCustomInserter	(	MachineInstr *	MI,
		MachineBasicBlock *	MBB
	)		const

virtual

This method should be implemented by targets that mark instructions with the 'usesCustomInserter' flag. These instructions are special in various ways, which require special support to insert. The specified MachineInstr is created but not inserted into any basic blocks, and this method is called to expand it into a sequence of instructions, potentially also creating new basic blocks and control flow.

Reimplemented from llvm::TargetLowering.

Definition at line 1306 of file MSP430ISelLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::addSuccessor(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::MachineFunction::CreateMachineBasicBlock(), EmitShiftInstr(), llvm::MachineBasicBlock::end(), llvm::MachineInstr::eraseFromParent(), F(), llvm::MCInstrInfo::get(), llvm::MachineBasicBlock::getBasicBlock(), llvm::MachineInstr::getDebugLoc(), llvm::MachineOperand::getImm(), llvm::TargetMachine::getInstrInfo(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm::TargetLoweringBase::getTargetMachine(), I, llvm::MachineFunction::insert(), llvm::next(), llvm::TargetOpcode::PHI, llvm::MachineBasicBlock::splice(), TII, and llvm::MachineBasicBlock::transferSuccessorsAndUpdatePHIs().

MachineBasicBlock * MSP430TargetLowering::EmitShiftInstr	(	MachineInstr *	MI,
		MachineBasicBlock *	BB
	)		const

Definition at line 1198 of file MSP430ISelLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::addSuccessor(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), MSP430CC::COND_E, MSP430CC::COND_NE, llvm::MachineFunction::CreateMachineBasicBlock(), llvm::MachineRegisterInfo::createVirtualRegister(), llvm::MachineBasicBlock::end(), llvm::MachineInstr::eraseFromParent(), F(), llvm::MCInstrInfo::get(), llvm::MachineBasicBlock::getBasicBlock(), llvm::MachineInstr::getDebugLoc(), llvm::TargetMachine::getInstrInfo(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineBasicBlock::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::TargetLoweringBase::getTargetMachine(), I, llvm::MachineFunction::insert(), llvm_unreachable, llvm::next(), llvm::TargetOpcode::PHI, llvm::MachineBasicBlock::splice(), TII, and llvm::MachineBasicBlock::transferSuccessorsAndUpdatePHIs().

Referenced by EmitInstrWithCustomInserter().

TargetLowering::ConstraintType MSP430TargetLowering::getConstraintType ( const std::string & Constraint ) const

virtual

getConstraintType - Given a constraint letter, return the type of constraint it is for this target.

Reimplemented from llvm::TargetLowering.

Definition at line 216 of file MSP430ISelLowering.cpp.

References llvm::TargetLowering::C_RegisterClass, and llvm::TargetLowering::getConstraintType().

std::pair< unsigned, const TargetRegisterClass * > MSP430TargetLowering::getRegForInlineAsmConstraint	(	const std::string &	Constraint,
		MVT	VT
	)		const

virtual

Given a physical register constraint (e.g. {edx}), return the register number and the register class for the register.

Given a register class constraint, like 'r', if this corresponds directly to an LLVM register class, return a register of 0 and the register class pointer.

This should only be used for C_Register constraints. On error, this returns a register number of 0 and a null register class pointer..

Reimplemented from llvm::TargetLowering.

Definition at line 230 of file MSP430ISelLowering.cpp.

References llvm::TargetLowering::getRegForInlineAsmConstraint(), and llvm::MVT::i8.

SDValue MSP430TargetLowering::getReturnAddressFrameIndex ( SelectionDAG & DAG ) const

Definition at line 1029 of file MSP430ISelLowering.cpp.

References llvm::MachineFrameInfo::CreateFixedObject(), llvm::SelectionDAG::getFrameIndex(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getInfo(), llvm::SelectionDAG::getMachineFunction(), llvm::DataLayout::getPointerSize(), llvm::TargetLoweringBase::getPointerTy(), llvm::MSP430MachineFunctionInfo::getRAIndex(), and llvm::MSP430MachineFunctionInfo::setRAIndex().

Referenced by LowerRETURNADDR().

virtual MVT llvm::MSP430TargetLowering::getScalarShiftAmountTy ( EVT LHSTy ) const

inlinevirtual

Reimplemented from llvm::TargetLoweringBase.

Definition at line 76 of file MSP430ISelLowering.h.

References llvm::MVT::i8.

const char * MSP430TargetLowering::getTargetNodeName ( unsigned Opcode ) const

virtual

getTargetNodeName - This method returns the name of a target specific DAG node.

Reimplemented from llvm::TargetLowering.

Definition at line 1146 of file MSP430ISelLowering.cpp.

References llvm::MSP430ISD::BR_CC, llvm::MSP430ISD::CALL, llvm::MSP430ISD::CMP, llvm::MSP430ISD::RET_FLAG, llvm::MSP430ISD::RETI_FLAG, llvm::MSP430ISD::RLA, llvm::MSP430ISD::RRA, llvm::MSP430ISD::RRC, llvm::MSP430ISD::SELECT_CC, llvm::MSP430ISD::SHL, llvm::MSP430ISD::SRA, and llvm::MSP430ISD::Wrapper.

bool MSP430TargetLowering::isTruncateFree	(	Type *	Ty1,
		Type *	Ty2
	)		const

virtual

isTruncateFree - Return true if it's free to truncate a value of type Ty1 to type Ty2. e.g. On msp430 it's free to truncate a i16 value in register R15W to i8 by referencing its sub-register R15B.

Reimplemented from llvm::TargetLoweringBase.

Definition at line 1164 of file MSP430ISelLowering.cpp.

References llvm::Type::getPrimitiveSizeInBits(), and llvm::Type::isIntegerTy().

bool MSP430TargetLowering::isTruncateFree	(	EVT	VT1,
		EVT	VT2
	)		const

virtual

Reimplemented from llvm::TargetLoweringBase.

Definition at line 1172 of file MSP430ISelLowering.cpp.

References llvm::EVT::getSizeInBits(), and llvm::EVT::isInteger().

bool MSP430TargetLowering::isZExtFree	(	Type *	Ty1,
		Type *	Ty2
	)		const

virtual

isZExtFree - Return true if any actual instruction that defines a value of type Ty1 implicit zero-extends the value to Ty2 in the result register. This does not necessarily include registers defined in unknown ways, such as incoming arguments, or copies from unknown virtual registers. Also, if isTruncateFree(Ty2, Ty1) is true, this does not necessarily apply to truncate instructions. e.g. on msp430, all instructions that define 8-bit values implicit zero-extend the result out to 16 bits.

Reimplemented from llvm::TargetLoweringBase.

Definition at line 1179 of file MSP430ISelLowering.cpp.

References llvm::Type::isIntegerTy().

Referenced by isZExtFree().

bool MSP430TargetLowering::isZExtFree	(	EVT	VT1,
		EVT	VT2
	)		const

virtual

Reimplemented from llvm::TargetLoweringBase.

Definition at line 1184 of file MSP430ISelLowering.cpp.

References llvm::MVT::i16, and llvm::MVT::i8.

bool MSP430TargetLowering::isZExtFree	(	SDValue	Val,
		EVT	VT2
	)		const

virtual

Return true if zero-extending the specific node Val to type VT2 is free (either because it's implicitly zero-extended such as ARM ldrb / ldrh or because it's folded such as X86 zero-extending loads).

Reimplemented from llvm::TargetLoweringBase.

Definition at line 1189 of file MSP430ISelLowering.cpp.

References llvm::SDValue::getValueType(), and isZExtFree().

SDValue MSP430TargetLowering::LowerBlockAddress	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 806 of file MSP430ISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::TargetLoweringBase::getPointerTy(), llvm::SelectionDAG::getTargetBlockAddress(), and llvm::MSP430ISD::Wrapper.

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerBR_CC	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 898 of file MSP430ISelLowering.cpp.

References llvm::MSP430ISD::BR_CC, EmitCMP(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOperand(), and llvm::SDValue::getValueType().

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerExternalSymbol	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 797 of file MSP430ISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::TargetLoweringBase::getPointerTy(), llvm::SelectionDAG::getTargetExternalSymbol(), and llvm::MSP430ISD::Wrapper.

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerFRAMEADDR	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 1069 of file MSP430ISelLowering.cpp.

References llvm::SelectionDAG::getCopyFromReg(), llvm::SelectionDAG::getEntryNode(), llvm::MachineFunction::getFrameInfo(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineFunction(), llvm::SDValue::getOperand(), llvm::SDValue::getValueType(), and llvm::MachineFrameInfo::setFrameAddressIsTaken().

Referenced by LowerOperation(), and LowerRETURNADDR().

SDValue MSP430TargetLowering::LowerGlobalAddress	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 785 of file MSP430ISelLowering.cpp.

References llvm::SelectionDAG::getNode(), llvm::TargetLoweringBase::getPointerTy(), llvm::SelectionDAG::getTargetGlobalAddress(), and llvm::MSP430ISD::Wrapper.

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerJumpTable	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 1102 of file MSP430ISelLowering.cpp.

References llvm::JumpTableSDNode::getIndex(), llvm::SelectionDAG::getNode(), llvm::TargetLoweringBase::getPointerTy(), llvm::SelectionDAG::getTargetJumpTable(), and llvm::MSP430ISD::Wrapper.

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerOperation	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

virtual

LowerOperation - Provide custom lowering hooks for some operations.

Reimplemented from llvm::TargetLowering.

Definition at line 187 of file MSP430ISelLowering.cpp.

References llvm::ISD::BlockAddress, llvm::ISD::BR_CC, llvm::ISD::ExternalSymbol, llvm::ISD::FRAMEADDR, llvm::SDValue::getOpcode(), llvm::ISD::GlobalAddress, llvm::ISD::JumpTable, llvm_unreachable, LowerBlockAddress(), LowerBR_CC(), LowerExternalSymbol(), LowerFRAMEADDR(), LowerGlobalAddress(), LowerJumpTable(), LowerRETURNADDR(), LowerSELECT_CC(), LowerSETCC(), LowerShifts(), LowerSIGN_EXTEND(), LowerVASTART(), llvm::ISD::RETURNADDR, llvm::ISD::SELECT_CC, llvm::ISD::SETCC, llvm::ISD::SHL, llvm::ISD::SIGN_EXTEND, llvm::ISD::SRA, llvm::ISD::SRL, and llvm::ISD::VASTART.

SDValue MSP430TargetLowering::LowerRETURNADDR	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 1045 of file MSP430ISelLowering.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getEntryNode(), llvm::MachineFunction::getFrameInfo(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineFunction(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOperand(), llvm::DataLayout::getPointerSize(), llvm::TargetLoweringBase::getPointerTy(), getReturnAddressFrameIndex(), llvm::MVT::i16, LowerFRAMEADDR(), and llvm::MachineFrameInfo::setReturnAddressIsTaken().

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerSELECT_CC	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 993 of file MSP430ISelLowering.cpp.

References EmitCMP(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOperand(), llvm::SDValue::getValueType(), llvm::SelectionDAG::getVTList(), llvm::MVT::Glue, llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), llvm::MSP430ISD::SELECT_CC, and llvm::SmallVectorTemplateCommon< T >::size().

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerSETCC	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

SDValue MSP430TargetLowering::LowerShifts	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 742 of file MSP430ISelLowering.cpp.

References llvm::SDValue::getNode(), llvm::SelectionDAG::getNode(), llvm::SDValue::getOpcode(), llvm::SDNode::getOperand(), llvm::SDValue::getValueType(), llvm_unreachable, N, llvm::MSP430ISD::RLA, llvm::MSP430ISD::RRA, llvm::MSP430ISD::RRC, llvm::MSP430ISD::SHL, llvm::ISD::SHL, llvm::MSP430ISD::SRA, llvm::ISD::SRA, llvm::MSP430ISD::SRL, and llvm::ISD::SRL.

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerSIGN_EXTEND	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 1015 of file MSP430ISelLowering.cpp.

References llvm::ISD::ANY_EXTEND, llvm::SelectionDAG::getNode(), llvm::SDValue::getOperand(), llvm::SDValue::getValueType(), llvm::SelectionDAG::getValueType(), llvm::MVT::i16, and llvm::ISD::SIGN_EXTEND_INREG.

Referenced by LowerOperation().

SDValue MSP430TargetLowering::LowerVASTART	(	SDValue	Op,
		SelectionDAG &	DAG
	)		const

Definition at line 1086 of file MSP430ISelLowering.cpp.

References llvm::ISD::FrameIndex, llvm::SelectionDAG::getFrameIndex(), llvm::MachineFunction::getInfo(), llvm::SelectionDAG::getMachineFunction(), llvm::SDValue::getOperand(), llvm::TargetLoweringBase::getPointerTy(), llvm::SelectionDAG::getStore(), and llvm::MSP430MachineFunctionInfo::getVarArgsFrameIndex().

Referenced by LowerOperation().

The documentation for this class was generated from the following files:

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation