llvm::SelectionDAGISel Class Reference

SelectionDAGISel - This is the common base class used for SelectionDAG-based pattern-matching instruction selectors. More...

#include "llvm/CodeGen/SelectionDAGISel.h"

Inheritance diagram for llvm::SelectionDAGISel:

Collaboration diagram for llvm::SelectionDAGISel:

Public Types
enum	BuiltinOpcodes {   OPC_Scope , OPC_RecordNode , OPC_RecordChild0 , OPC_RecordChild1 ,   OPC_RecordChild2 , OPC_RecordChild3 , OPC_RecordChild4 , OPC_RecordChild5 ,   OPC_RecordChild6 , OPC_RecordChild7 , OPC_RecordMemRef , OPC_CaptureGlueInput ,   OPC_MoveChild , OPC_MoveChild0 , OPC_MoveChild1 , OPC_MoveChild2 ,   OPC_MoveChild3 , OPC_MoveChild4 , OPC_MoveChild5 , OPC_MoveChild6 ,   OPC_MoveChild7 , OPC_MoveParent , OPC_CheckSame , OPC_CheckChild0Same ,   OPC_CheckChild1Same , OPC_CheckChild2Same , OPC_CheckChild3Same , OPC_CheckPatternPredicate ,   OPC_CheckPredicate , OPC_CheckPredicateWithOperands , OPC_CheckOpcode , OPC_SwitchOpcode ,   OPC_CheckType , OPC_CheckTypeRes , OPC_SwitchType , OPC_CheckChild0Type ,   OPC_CheckChild1Type , OPC_CheckChild2Type , OPC_CheckChild3Type , OPC_CheckChild4Type ,   OPC_CheckChild5Type , OPC_CheckChild6Type , OPC_CheckChild7Type , OPC_CheckInteger ,   OPC_CheckChild0Integer , OPC_CheckChild1Integer , OPC_CheckChild2Integer , OPC_CheckChild3Integer ,   OPC_CheckChild4Integer , OPC_CheckCondCode , OPC_CheckChild2CondCode , OPC_CheckValueType ,   OPC_CheckComplexPat , OPC_CheckAndImm , OPC_CheckOrImm , OPC_CheckImmAllOnesV ,   OPC_CheckImmAllZerosV , OPC_CheckFoldableChainNode , OPC_EmitInteger , OPC_EmitStringInteger ,   OPC_EmitRegister , OPC_EmitRegister2 , OPC_EmitConvertToTarget , OPC_EmitMergeInputChains ,   OPC_EmitMergeInputChains1_0 , OPC_EmitMergeInputChains1_1 , OPC_EmitMergeInputChains1_2 , OPC_EmitCopyToReg ,   OPC_EmitCopyToReg2 , OPC_EmitNodeXForm , OPC_EmitNode , OPC_EmitNode0 ,   OPC_EmitNode1 , OPC_EmitNode2 , OPC_MorphNodeTo , OPC_MorphNodeTo0 ,   OPC_MorphNodeTo1 , OPC_MorphNodeTo2 , OPC_CompleteMatch , OPC_Coverage }
enum	{   OPFL_None = 0 , OPFL_Chain = 1 , OPFL_GlueInput = 2 , OPFL_GlueOutput = 4 ,   OPFL_MemRefs = 8 , OPFL_Variadic0 = 1<<4 , OPFL_Variadic1 = 2<<4 , OPFL_Variadic2 = 3<<4 ,   OPFL_Variadic3 = 4<<4 , OPFL_Variadic4 = 5<<4 , OPFL_Variadic5 = 6<<4 , OPFL_Variadic6 = 7<<4 ,   OPFL_VariadicInfo = OPFL_Variadic6 }

Public Member Functions
	SelectionDAGISel (char &ID, TargetMachine &tm, CodeGenOpt::Level OL=CodeGenOpt::Default)
	~SelectionDAGISel () override
const TargetLowering *	getTargetLowering () const
void	getAnalysisUsage (AnalysisUsage &AU) const override
	getAnalysisUsage - Subclasses that override getAnalysisUsage must call this.
bool	runOnMachineFunction (MachineFunction &MF) override
	runOnMachineFunction - This method must be overloaded to perform the desired machine code transformation or analysis.
virtual void	emitFunctionEntryCode ()
virtual void	PreprocessISelDAG ()
	PreprocessISelDAG - This hook allows targets to hack on the graph before instruction selection starts.
virtual void	PostprocessISelDAG ()
	PostprocessISelDAG() - This hook allows the target to hack on the graph right after selection.
virtual void	Select (SDNode *N)=0
	Main hook for targets to transform nodes into machine nodes.
virtual bool	SelectInlineAsmMemoryOperand (const SDValue &Op, unsigned ConstraintID, std::vector< SDValue > &OutOps)
	SelectInlineAsmMemoryOperand - Select the specified address as a target addressing mode, according to the specified constraint.
virtual bool	IsProfitableToFold (SDValue N, SDNode *U, SDNode *Root) const
	IsProfitableToFold - Returns true if it's profitable to fold the specific operand node N of U during instruction selection that starts at Root.
bool	CheckAndMask (SDValue LHS, ConstantSDNode *RHS, int64_t DesiredMaskS) const
	CheckAndMask - The isel is trying to match something like (and X, 255).
bool	CheckOrMask (SDValue LHS, ConstantSDNode *RHS, int64_t DesiredMaskS) const
	CheckOrMask - The isel is trying to match something like (or X, 255).
virtual bool	CheckPatternPredicate (unsigned PredNo) const
	CheckPatternPredicate - This function is generated by tblgen in the target.
virtual bool	CheckNodePredicate (SDNode *N, unsigned PredNo) const
	CheckNodePredicate - This function is generated by tblgen in the target.
virtual bool	CheckNodePredicateWithOperands (SDNode *N, unsigned PredNo, const SmallVectorImpl< SDValue > &Operands) const
	CheckNodePredicateWithOperands - This function is generated by tblgen in the target.
virtual bool	CheckComplexPattern (SDNode *Root, SDNode *Parent, SDValue N, unsigned PatternNo, SmallVectorImpl< std::pair< SDValue, SDNode * > > &Result)
virtual SDValue	RunSDNodeXForm (SDValue V, unsigned XFormNo)
void	SelectCodeCommon (SDNode *NodeToMatch, const unsigned char *MatcherTable, unsigned TableSize)
virtual bool	ComplexPatternFuncMutatesDAG () const
	Return true if complex patterns for this target can mutate the DAG.
bool	mayRaiseFPException (SDNode *Node) const
	Return whether the node may raise an FP exception.
bool	isOrEquivalentToAdd (const SDNode *N) const
Public Member Functions inherited from llvm::MachineFunctionPass
bool	doInitialization (Module &) override
	doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run.
Public Member Functions inherited from llvm::FunctionPass
	FunctionPass (char &pid)
Pass *	createPrinterPass (raw_ostream &OS, const std::string &Banner) const override
	createPrinterPass - Get a function printer pass.
virtual bool	runOnFunction (Function &F)=0
	runOnFunction - Virtual method overriden by subclasses to do the per-function processing of the pass.
void	assignPassManager (PMStack &PMS, PassManagerType T) override
	Find appropriate Function Pass Manager or Call Graph Pass Manager in the PM Stack and add self into that manager.
PassManagerType	getPotentialPassManagerType () const override
	Return what kind of Pass Manager can manage this pass.
Public Member Functions inherited from llvm::Pass
	Pass (PassKind K, char &pid)
	Pass (const Pass &)=delete
Pass &	operator= (const Pass &)=delete
virtual	~Pass ()
PassKind	getPassKind () const
virtual StringRef	getPassName () const
	getPassName - Return a nice clean name for a pass.
AnalysisID	getPassID () const
	getPassID - Return the PassID number that corresponds to this pass.
virtual bool	doInitialization (Module &)
	doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run.
virtual bool	doFinalization (Module &)
	doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes have run.
virtual void	print (raw_ostream &OS, const Module *M) const
	print - Print out the internal state of the pass.
void	dump () const
virtual Pass *	createPrinterPass (raw_ostream &OS, const std::string &Banner) const =0
	createPrinterPass - Get a Pass appropriate to print the IR this pass operates on (Module, Function or MachineFunction).
virtual void	assignPassManager (PMStack &, PassManagerType)
	Each pass is responsible for assigning a pass manager to itself.
virtual void	preparePassManager (PMStack &)
	Check if available pass managers are suitable for this pass or not.
virtual PassManagerType	getPotentialPassManagerType () const
	Return what kind of Pass Manager can manage this pass.
void	setResolver (AnalysisResolver *AR)
AnalysisResolver *	getResolver () const
virtual void	getAnalysisUsage (AnalysisUsage &) const
	getAnalysisUsage - This function should be overriden by passes that need analysis information to do their job.
virtual void	releaseMemory ()
	releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed.
virtual void *	getAdjustedAnalysisPointer (AnalysisID ID)
	getAdjustedAnalysisPointer - This method is used when a pass implements an analysis interface through multiple inheritance.
virtual ImmutablePass *	getAsImmutablePass ()
virtual PMDataManager *	getAsPMDataManager ()
virtual void	verifyAnalysis () const
	verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information.
virtual void	dumpPassStructure (unsigned Offset=0)
template<typename AnalysisType >
AnalysisType *	getAnalysisIfAvailable () const
	getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it.
bool	mustPreserveAnalysisID (char &AID) const
	mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID.
template<typename AnalysisType >
AnalysisType &	getAnalysis () const
	getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.
template<typename AnalysisType >
AnalysisType &	getAnalysis (Function &F, bool *Changed=nullptr)
	getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.
template<typename AnalysisType >
AnalysisType &	getAnalysisID (AnalysisID PI) const
template<typename AnalysisType >
AnalysisType &	getAnalysisID (AnalysisID PI, Function &F, bool *Changed=nullptr)

Static Public Member Functions
static bool	IsLegalToFold (SDValue N, SDNode *U, SDNode *Root, CodeGenOpt::Level OptLevel, bool IgnoreChains=false)
	IsLegalToFold - Returns true if the specific operand node N of U can be folded during instruction selection that starts at Root.
static void	InvalidateNodeId (SDNode *N)
static int	getUninvalidatedNodeId (SDNode *N)
static void	EnforceNodeIdInvariant (SDNode *N)
static int	getNumFixedFromVariadicInfo (unsigned Flags)
	getNumFixedFromVariadicInfo - Transform an EmitNode flags word into the number of fixed arity values that should be skipped when copying from the root.
Static Public Member Functions inherited from llvm::Pass
static const PassInfo *	lookupPassInfo (const void *TI)
static const PassInfo *	lookupPassInfo (StringRef Arg)
static Pass *	createPass (AnalysisID ID)

Public Attributes
TargetMachine &	TM
const TargetLibraryInfo *	LibInfo
std::unique_ptr< FunctionLoweringInfo >	FuncInfo
SwiftErrorValueTracking *	SwiftError
MachineFunction *	MF
MachineRegisterInfo *	RegInfo
SelectionDAG *	CurDAG
std::unique_ptr< SelectionDAGBuilder >	SDB
AAResults *	AA = nullptr
AssumptionCache *	AC = nullptr
GCFunctionInfo *	GFI = nullptr
CodeGenOpt::Level	OptLevel
const TargetInstrInfo *	TII
const TargetLowering *	TLI
bool	FastISelFailed
SmallPtrSet< const Instruction *, 4 >	ElidedArgCopyInstrs
std::unique_ptr< OptimizationRemarkEmitter >	ORE
	Current optimization remark emitter.

Protected Member Functions
void	ReplaceUses (SDValue F, SDValue T)
	ReplaceUses - replace all uses of the old node F with the use of the new node T.
void	ReplaceUses (const SDValue *F, const SDValue *T, unsigned Num)
	ReplaceUses - replace all uses of the old nodes F with the use of the new nodes T.
void	ReplaceUses (SDNode *F, SDNode *T)
	ReplaceUses - replace all uses of the old node F with the use of the new node T.
void	ReplaceNode (SDNode *F, SDNode *T)
	Replace all uses of F with T, then remove F from the DAG.
void	SelectInlineAsmMemoryOperands (std::vector< SDValue > &Ops, const SDLoc &DL)
	SelectInlineAsmMemoryOperands - Calls to this are automatically generated by tblgen.
virtual StringRef	getPatternForIndex (unsigned index)
	getPatternForIndex - Patterns selected by tablegen during ISEL
virtual StringRef	getIncludePathForIndex (unsigned index)
	getIncludePathForIndex - get the td source location of pattern instantiation
bool	shouldOptForSize (const MachineFunction *MF) const
Protected Member Functions inherited from llvm::MachineFunctionPass
	MachineFunctionPass (char &ID)
virtual bool	runOnMachineFunction (MachineFunction &MF)=0
	runOnMachineFunction - This method must be overloaded to perform the desired machine code transformation or analysis.
void	getAnalysisUsage (AnalysisUsage &AU) const override
	getAnalysisUsage - Subclasses that override getAnalysisUsage must call this.
virtual MachineFunctionProperties	getRequiredProperties () const
virtual MachineFunctionProperties	getSetProperties () const
virtual MachineFunctionProperties	getClearedProperties () const
Protected Member Functions inherited from llvm::FunctionPass
bool	skipFunction (const Function &F) const
	Optional passes call this function to check whether the pass should be skipped.

Protected Attributes
unsigned	DAGSize = 0
	DAGSize - Size of DAG being instruction selected.

Detailed Description

SelectionDAGISel - This is the common base class used for SelectionDAG-based pattern-matching instruction selectors.

Definition at line 41 of file SelectionDAGISel.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
OPFL_None
OPFL_Chain
OPFL_GlueInput
OPFL_GlueOutput
OPFL_MemRefs
OPFL_Variadic0
OPFL_Variadic1
OPFL_Variadic2
OPFL_Variadic3
OPFL_Variadic4
OPFL_Variadic5
OPFL_Variadic6
OPFL_VariadicInfo

Definition at line 175 of file SelectionDAGISel.h.

BuiltinOpcodes

enum llvm::SelectionDAGISel::BuiltinOpcodes

Enumerator
OPC_Scope
OPC_RecordNode
OPC_RecordChild0
OPC_RecordChild1
OPC_RecordChild2
OPC_RecordChild3
OPC_RecordChild4
OPC_RecordChild5
OPC_RecordChild6
OPC_RecordChild7
OPC_RecordMemRef
OPC_CaptureGlueInput
OPC_MoveChild
OPC_MoveChild0
OPC_MoveChild1
OPC_MoveChild2
OPC_MoveChild3
OPC_MoveChild4
OPC_MoveChild5
OPC_MoveChild6
OPC_MoveChild7
OPC_MoveParent
OPC_CheckSame
OPC_CheckChild0Same
OPC_CheckChild1Same
OPC_CheckChild2Same
OPC_CheckChild3Same
OPC_CheckPatternPredicate
OPC_CheckPredicate
OPC_CheckPredicateWithOperands
OPC_CheckOpcode
OPC_SwitchOpcode
OPC_CheckType
OPC_CheckTypeRes
OPC_SwitchType
OPC_CheckChild0Type
OPC_CheckChild1Type
OPC_CheckChild2Type
OPC_CheckChild3Type
OPC_CheckChild4Type
OPC_CheckChild5Type
OPC_CheckChild6Type
OPC_CheckChild7Type
OPC_CheckInteger
OPC_CheckChild0Integer
OPC_CheckChild1Integer
OPC_CheckChild2Integer
OPC_CheckChild3Integer
OPC_CheckChild4Integer
OPC_CheckCondCode
OPC_CheckChild2CondCode
OPC_CheckValueType
OPC_CheckComplexPat
OPC_CheckAndImm
OPC_CheckOrImm
OPC_CheckImmAllOnesV
OPC_CheckImmAllZerosV
OPC_CheckFoldableChainNode
OPC_EmitInteger
OPC_EmitStringInteger
OPC_EmitRegister
OPC_EmitRegister2
OPC_EmitConvertToTarget
OPC_EmitMergeInputChains
OPC_EmitMergeInputChains1_0
OPC_EmitMergeInputChains1_1
OPC_EmitMergeInputChains1_2
OPC_EmitCopyToReg
OPC_EmitCopyToReg2
OPC_EmitNodeXForm
OPC_EmitNode
OPC_EmitNode0
OPC_EmitNode1
OPC_EmitNode2
OPC_MorphNodeTo
OPC_MorphNodeTo0
OPC_MorphNodeTo1
OPC_MorphNodeTo2
OPC_CompleteMatch
OPC_Coverage

Definition at line 116 of file SelectionDAGISel.h.

Constructor & Destructor Documentation

SelectionDAGISel()

SelectionDAGISel::SelectionDAGISel ( char &  ID, TargetMachine &  tm, CodeGenOpt::Level  OL = CodeGenOpt::Default  )

explicit

Definition at line 316 of file SelectionDAGISel.cpp.

References llvm::PassRegistry::getPassRegistry(), llvm::initializeAAResultsWrapperPassPass(), llvm::initializeBranchProbabilityInfoWrapperPassPass(), llvm::initializeGCModuleInfoPass(), and llvm::initializeTargetLibraryInfoWrapperPassPass().

~SelectionDAGISel()

SelectionDAGISel::~SelectionDAGISel ( )

override

Definition at line 331 of file SelectionDAGISel.cpp.

References CurDAG, and SwiftError.

Member Function Documentation

CheckAndMask()

bool SelectionDAGISel::CheckAndMask	(	SDValue	LHS,
		ConstantSDNode *	RHS,
		int64_t	DesiredMaskS
	)		const

CheckAndMask - The isel is trying to match something like (and X, 255).

If the dag combiner simplified the 255, we still want to match. RHS is the actual value in the DAG on the RHS of an AND, and DesiredMaskS is the value specified in the .td file (e.g. 255).

Definition at line 1935 of file SelectionDAGISel.cpp.

References CurDAG, llvm::APInt::isSubsetOf(), LHS, llvm::SelectionDAG::MaskedValueIsZero(), and RHS.

Referenced by CheckAndImm().

CheckComplexPattern()

virtual bool llvm::SelectionDAGISel::CheckComplexPattern ( SDNode *  Root, SDNode *  Parent, SDValue  N, unsigned  PatternNo, SmallVectorImpl< std::pair< SDValue, SDNode * > > &  Result  )

inlinevirtual

Definition at line 288 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by SelectCodeCommon().

CheckNodePredicate()

virtual bool llvm::SelectionDAGISel::CheckNodePredicate ( SDNode *  N, unsigned  PredNo  ) const

inlinevirtual

CheckNodePredicate - This function is generated by tblgen in the target.

It runs node predicate number PredNo and returns true if it succeeds or false if it fails. The number is a private implementation detail to the code tblgen produces.

Definition at line 273 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by CheckNodePredicate(), and SelectCodeCommon().

CheckNodePredicateWithOperands()

virtual bool llvm::SelectionDAGISel::CheckNodePredicateWithOperands ( SDNode *  N, unsigned  PredNo, const SmallVectorImpl< SDValue > &  Operands  ) const

inlinevirtual

CheckNodePredicateWithOperands - This function is generated by tblgen in the target.

It runs node predicate number PredNo and returns true if it succeeds or false if it fails. The number is a private implementation detail to the code tblgen produces.

Definition at line 282 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by SelectCodeCommon().

CheckOrMask()

bool SelectionDAGISel::CheckOrMask	(	SDValue	LHS,
		ConstantSDNode *	RHS,
		int64_t	DesiredMaskS
	)		const

CheckOrMask - The isel is trying to match something like (or X, 255).

If the dag combiner simplified the 255, we still want to match. RHS is the actual value in the DAG on the RHS of an OR, and DesiredMaskS is the value specified in the .td file (e.g. 255).

Definition at line 1964 of file SelectionDAGISel.cpp.

References llvm::SelectionDAG::computeKnownBits(), CurDAG, llvm::APInt::isSubsetOf(), LHS, llvm::KnownBits::One, and RHS.

Referenced by CheckOrImm().

CheckPatternPredicate()

virtual bool llvm::SelectionDAGISel::CheckPatternPredicate ( unsigned  PredNo ) const

inlinevirtual

CheckPatternPredicate - This function is generated by tblgen in the target.

It runs the specified pattern predicate and returns true if it succeeds or false if it fails. The number is a private implementation detail to the code tblgen produces.

Definition at line 265 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by CheckPatternPredicate(), and SelectCodeCommon().

ComplexPatternFuncMutatesDAG()

virtual bool llvm::SelectionDAGISel::ComplexPatternFuncMutatesDAG ( ) const

inlinevirtual

Return true if complex patterns for this target can mutate the DAG.

Reimplemented in llvm::HexagonDAGToDAGISel.

Definition at line 303 of file SelectionDAGISel.h.

Referenced by SelectCodeCommon().

emitFunctionEntryCode()

virtual void llvm::SelectionDAGISel::emitFunctionEntryCode ( )

inlinevirtual

Reimplemented in llvm::HexagonDAGToDAGISel.

Definition at line 74 of file SelectionDAGISel.h.

EnforceNodeIdInvariant()

void SelectionDAGISel::EnforceNodeIdInvariant ( SDNode *  N )

static

Definition at line 1049 of file SelectionDAGISel.cpp.

References llvm::SmallVectorBase< Size_T >::empty(), InvalidateNodeId(), N, llvm::SmallVectorImpl< T >::pop_back_val(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

Referenced by ReplaceNode(), and ReplaceUses().

getAnalysisUsage()

void SelectionDAGISel::getAnalysisUsage ( AnalysisUsage &  AU ) const

overridevirtual

getAnalysisUsage - Subclasses that override getAnalysisUsage must call this.

For MachineFunctionPasses, calling AU.preservesCFG() indicates that the pass does not modify the MachineBasicBlock CFG.

Reimplemented from llvm::MachineFunctionPass.

Reimplemented in AMDGPUDAGToDAGISel, and llvm::MipsDAGToDAGISel.

Definition at line 336 of file SelectionDAGISel.cpp.

References llvm::AnalysisUsage::addPreserved(), llvm::AnalysisUsage::addRequired(), llvm::MachineFunctionPass::getAnalysisUsage(), llvm::LazyBlockFrequencyInfoPass::getLazyBFIAnalysisUsage(), llvm::CodeGenOpt::None, OptLevel, and UseMBPI.

Referenced by AMDGPUDAGToDAGISel::getAnalysisUsage(), and llvm::MipsDAGToDAGISel::getAnalysisUsage().

getIncludePathForIndex()

virtual StringRef llvm::SelectionDAGISel::getIncludePathForIndex ( unsigned  index )

inlineprotectedvirtual

getIncludePathForIndex - get the td source location of pattern instantiation

Definition at line 245 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by SelectCodeCommon().

getNumFixedFromVariadicInfo()

static int llvm::SelectionDAGISel::getNumFixedFromVariadicInfo ( unsigned  Flags )

inlinestatic

getNumFixedFromVariadicInfo - Transform an EmitNode flags word into the number of fixed arity values that should be skipped when copying from the root.

Definition at line 195 of file SelectionDAGISel.h.

References Flags, and OPFL_VariadicInfo.

Referenced by SelectCodeCommon().

getPatternForIndex()

virtual StringRef llvm::SelectionDAGISel::getPatternForIndex ( unsigned  index )

inlineprotectedvirtual

getPatternForIndex - Patterns selected by tablegen during ISEL

Definition at line 240 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by SelectCodeCommon().

getTargetLowering()

const TargetLowering * llvm::SelectionDAGISel::getTargetLowering ( ) const

inline

Definition at line 68 of file SelectionDAGISel.h.

References TLI.

Referenced by llvm::MipsDAGToDAGISel::getGlobalBaseReg(), AMDGPUDAGToDAGISel::PostprocessISelDAG(), and AMDGPUDAGToDAGISel::Select().

getUninvalidatedNodeId()

int SelectionDAGISel::getUninvalidatedNodeId ( SDNode *  N )

static

Definition at line 1074 of file SelectionDAGISel.cpp.

References N.

Referenced by insertDAGNode().

InvalidateNodeId()

void SelectionDAGISel::InvalidateNodeId ( SDNode *  N )

static

Definition at line 1068 of file SelectionDAGISel.cpp.

References N.

Referenced by EnforceNodeIdInvariant(), and insertDAGNode().

IsLegalToFold()

bool SelectionDAGISel::IsLegalToFold ( SDValue  N, SDNode *  U, SDNode *  Root, CodeGenOpt::Level  OptLevel, bool  IgnoreChains = false  )

static

IsLegalToFold - Returns true if the specific operand node N of U can be folded during instruction selection that starts at Root.

FIXME: This is a static member function because the MSP430/X86 targets, which uses it during isel. This could become a proper member.

Definition at line 2117 of file SelectionDAGISel.cpp.

References findGlueUse(), findNonImmUse(), llvm::SDNode::getNumValues(), llvm::SDNode::getValueType(), llvm::MVT::Glue, N, llvm::CodeGenOpt::None, and OptLevel.

Referenced by llvm::RISCVDAGToDAGISel::Select(), and SelectCodeCommon().

isOrEquivalentToAdd()

bool SelectionDAGISel::isOrEquivalentToAdd

(

const SDNode *

N

)

const

Definition at line 3786 of file SelectionDAGISel.cpp.

References A, assert(), llvm::CallingConv::C, llvm::MachineFunction::getFrameInfo(), llvm::MachineFrameInfo::getObjectAlign(), MF, N, and llvm::ISD::OR.

IsProfitableToFold()

bool SelectionDAGISel::IsProfitableToFold ( SDValue  N, SDNode *  U, SDNode *  Root  ) const

virtual

IsProfitableToFold - Returns true if it's profitable to fold the specific operand node N of U during instruction selection that starts at Root.

Definition at line 2109 of file SelectionDAGISel.cpp.

References N, llvm::CodeGenOpt::None, and OptLevel.

Referenced by llvm::RISCVDAGToDAGISel::Select(), and SelectCodeCommon().

mayRaiseFPException()

bool SelectionDAGISel::mayRaiseFPException

(

SDNode *

Node

)

const

Return whether the node may raise an FP exception.

Definition at line 3772 of file SelectionDAGISel.cpp.

References llvm::MCInstrInfo::get(), llvm::MCInstrDesc::mayRaiseFPException(), N, and TII.

Referenced by SelectCodeCommon().

PostprocessISelDAG()

virtual void llvm::SelectionDAGISel::PostprocessISelDAG ( )

inlinevirtual

PostprocessISelDAG() - This hook allows the target to hack on the graph right after selection.

Reimplemented in AMDGPUDAGToDAGISel, and llvm::RISCVDAGToDAGISel.

Definition at line 82 of file SelectionDAGISel.h.

PreprocessISelDAG()

virtual void llvm::SelectionDAGISel::PreprocessISelDAG ( )

inlinevirtual

PreprocessISelDAG - This hook allows targets to hack on the graph before instruction selection starts.

Reimplemented in AMDGPUDAGToDAGISel, llvm::HexagonDAGToDAGISel, and llvm::RISCVDAGToDAGISel.

Definition at line 78 of file SelectionDAGISel.h.

ReplaceNode()

void llvm::SelectionDAGISel::ReplaceNode ( SDNode *  F, SDNode *  T  )

inlineprotected

Replace all uses of F with T, then remove F from the DAG.

Definition at line 228 of file SelectionDAGISel.h.

References CurDAG, EnforceNodeIdInvariant(), F, llvm::SelectionDAG::RemoveDeadNode(), and llvm::SelectionDAG::ReplaceAllUsesWith().

Referenced by AMDGPUDAGToDAGISel::Select(), llvm::RISCVDAGToDAGISel::Select(), llvm::HexagonDAGToDAGISel::SelectAddSubCarry(), llvm::HexagonDAGToDAGISel::SelectConstant(), llvm::HexagonDAGToDAGISel::SelectConstantFP(), llvm::HexagonDAGToDAGISel::SelectD2P(), llvm::HexagonDAGToDAGISel::SelectExtractSubvector(), llvm::HvxSelector::selectExtractSubvector(), llvm::HexagonDAGToDAGISel::SelectFrameIndex(), llvm::HexagonDAGToDAGISel::SelectIntrinsicWOChain(), llvm::HexagonDAGToDAGISel::SelectP2D(), llvm::HexagonDAGToDAGISel::SelectQ2V(), llvm::HvxSelector::selectRor(), llvm::HexagonDAGToDAGISel::SelectSHL(), llvm::HvxSelector::selectShuffle(), llvm::HexagonDAGToDAGISel::SelectTypecast(), llvm::HexagonDAGToDAGISel::SelectV2Q(), llvm::HexagonDAGToDAGISel::SelectV65Gather(), llvm::HexagonDAGToDAGISel::SelectV65GatherPred(), llvm::HexagonDAGToDAGISel::SelectVAlign(), llvm::HvxSelector::selectVAlign(), llvm::HexagonDAGToDAGISel::SelectVAlignAddr(), llvm::RISCVDAGToDAGISel::selectVSETVLI(), llvm::RISCVDAGToDAGISel::selectVSSEG(), llvm::RISCVDAGToDAGISel::selectVSXSEG(), llvm::RISCVDAGToDAGISel::tryIndexedLoad(), llvm::RISCVDAGToDAGISel::tryShrinkShlLogicImm(), and llvm::RISCVDAGToDAGISel::trySignedBitfieldExtract().

ReplaceUses() [1/3]

void llvm::SelectionDAGISel::ReplaceUses ( const SDValue *  F, const SDValue *  T, unsigned  Num  )

inlineprotected

ReplaceUses - replace all uses of the old nodes F with the use of the new nodes T.

Definition at line 214 of file SelectionDAGISel.h.

References CurDAG, EnforceNodeIdInvariant(), F, and llvm::SelectionDAG::ReplaceAllUsesOfValuesWith().

ReplaceUses() [2/3]

void llvm::SelectionDAGISel::ReplaceUses ( SDNode *  F, SDNode *  T  )

inlineprotected

ReplaceUses - replace all uses of the old node F with the use of the new node T.

Definition at line 222 of file SelectionDAGISel.h.

References CurDAG, EnforceNodeIdInvariant(), F, and llvm::SelectionDAG::ReplaceAllUsesWith().

ReplaceUses() [3/3]

void llvm::SelectionDAGISel::ReplaceUses ( SDValue  F, SDValue  T  )

inlineprotected

ReplaceUses - replace all uses of the old node F with the use of the new node T.

Definition at line 207 of file SelectionDAGISel.h.

References CurDAG, EnforceNodeIdInvariant(), F, and llvm::SelectionDAG::ReplaceAllUsesOfValueWith().

Referenced by AMDGPUDAGToDAGISel::PostprocessISelDAG(), llvm::RISCVDAGToDAGISel::Select(), llvm::HexagonDAGToDAGISel::SelectBrevLdIntrinsic(), SelectCodeCommon(), llvm::HexagonDAGToDAGISel::SelectHVXDualOutput(), llvm::HexagonDAGToDAGISel::SelectIndexedStore(), llvm::HexagonDAGToDAGISel::SelectNewCircIntrinsic(), llvm::RISCVDAGToDAGISel::selectVLSEG(), llvm::RISCVDAGToDAGISel::selectVLSEGFF(), llvm::RISCVDAGToDAGISel::selectVLXSEG(), llvm::HexagonDAGToDAGISel::StoreInstrForLoadIntrinsic(), and llvm::HexagonDAGToDAGISel::tryLoadOfLoadIntrinsic().

runOnMachineFunction()

bool SelectionDAGISel::runOnMachineFunction ( MachineFunction &  MF )

overridevirtual

runOnMachineFunction - This method must be overloaded to perform the desired machine code transformation or analysis.

Implements llvm::MachineFunctionPass.

Reimplemented in AMDGPUDAGToDAGISel, llvm::HexagonDAGToDAGISel, llvm::LoongArchDAGToDAGISel, llvm::MipsDAGToDAGISel, llvm::NVPTXDAGToDAGISel, and llvm::RISCVDAGToDAGISel.

Definition at line 381 of file SelectionDAGISel.cpp.

References AA, AC, assert(), llvm::MachineBasicBlock::begin(), llvm::BuildMI(), llvm::Function::callsFunctionThatReturnsTwice(), computeUsesMSVCFloatingPoint(), CurDAG, llvm::dbgs(), llvm::LLVMContext::diagnose(), DL, E, llvm::MachineRegisterInfo::EmitLiveInCopies(), llvm::TargetOptions::EnableFastISel, EnableFastISelAbort, EnableFastISelFallbackReport, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::MachineBasicBlock::end(), FastISelFailed, llvm::MachineFunction::finalizeDebugInstrRefs(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), From, llvm::MachineFunction::front(), llvm::MCInstrInfo::get(), llvm::Function::getContext(), llvm::MachineBasicBlock::getFirstTerminator(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFunction::getMMI(), llvm::Value::getName(), llvm::MachineInstr::getOperand(), llvm::GlobalValue::getParent(), llvm::MachineInstr::getParent(), llvm::MachineFunction::getProperties(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::TargetMachine::getTargetTriple(), llvm::MachineRegisterInfo::getVRegDef(), GFI, llvm::MachineFrameInfo::hasCalls(), llvm::Function::hasGC(), llvm::MachineFunction::hasInlineAsm(), llvm::MachineFunctionProperties::hasProperty(), I, llvm::SelectionDAG::init(), llvm::TargetLowering::initializeSplitCSR(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::MachineBasicBlock::insert(), llvm::MachineBasicBlock::insertAfter(), llvm::TargetLowering::insertCopiesSplitCSR(), llvm::isAssignmentTrackingEnabled(), llvm::MCInstrDesc::isCall(), llvm::MachineInstr::isCopy(), llvm::MachineInstr::isDebugValue(), llvm::MCInstrDesc::isReturn(), llvm::Register::isVirtual(), LibInfo, llvm::MachineRegisterInfo::liveins(), LLVM_DEBUG, MBB, MF, MI, MRI, llvm::CodeGenOpt::None, llvm::TargetMachine::Options, OptLevel, ORE, llvm::MachineFunction::print(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), RegInfo, llvm::TargetMachine::resetTargetOptions(), SDB, llvm::MachineFunctionProperties::Selected, llvm::MachineFunction::setExposesReturnsTwice(), llvm::SwiftErrorValueTracking::setFunction(), llvm::MachineFrameInfo::setHasCalls(), llvm::MachineFunction::setHasInlineAsm(), llvm::MachineFunction::setUseDebugInstrRef(), llvm::MachineFunction::shouldUseDebugInstrRef(), llvm::FunctionPass::skipFunction(), llvm::MachineBasicBlock::succ_empty(), llvm::succ_empty(), llvm::TargetLowering::supportSplitCSR(), SwiftError, TII, TLI, TM, TRI, llvm::MachineRegisterInfo::use_instr_begin(), llvm::MachineRegisterInfo::use_instr_end(), llvm::MachineFunction::useDebugInstrRef(), UseMBPI, UseMI, and llvm::Register::virtReg2Index().

Referenced by AMDGPUDAGToDAGISel::runOnMachineFunction(), llvm::HexagonDAGToDAGISel::runOnMachineFunction(), llvm::LoongArchDAGToDAGISel::runOnMachineFunction(), llvm::MipsDAGToDAGISel::runOnMachineFunction(), llvm::NVPTXDAGToDAGISel::runOnMachineFunction(), and llvm::RISCVDAGToDAGISel::runOnMachineFunction().

RunSDNodeXForm()

virtual SDValue llvm::SelectionDAGISel::RunSDNodeXForm ( SDValue  V, unsigned  XFormNo  )

inlinevirtual

Definition at line 294 of file SelectionDAGISel.h.

References llvm_unreachable.

Referenced by SelectCodeCommon().

Select()

virtual void llvm::SelectionDAGISel::Select ( SDNode *  N )

pure virtual

Main hook for targets to transform nodes into machine nodes.

Implemented in AMDGPUDAGToDAGISel, llvm::HexagonDAGToDAGISel, llvm::LoongArchDAGToDAGISel, and llvm::RISCVDAGToDAGISel.

SelectCodeCommon()

void SelectionDAGISel::SelectCodeCommon	(	SDNode *	NodeToMatch,
		const unsigned char *	MatcherTable,
		unsigned	TableSize
	)

Definition at line 2849 of file SelectionDAGISel.cpp.

References llvm::ISD::ANNOTATION_LABEL, llvm::any_of(), llvm::SmallVectorImpl< T >::append(), llvm::ISD::ARITH_FENCE, assert(), llvm::ISD::AssertAlign, llvm::ISD::AssertSext, llvm::ISD::AssertZext, llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::ISD::BasicBlock, llvm::SmallVectorTemplateCommon< T, typename >::begin(), CheckAndImm(), CheckChild2CondCode(), CheckChildInteger(), CheckChildSame(), CheckChildType(), CheckComplexPattern(), CheckCondCode(), CheckInteger(), CheckNodePredicate(), CheckNodePredicateWithOperands(), CheckOpcode(), CheckOrImm(), CheckPatternPredicate(), CheckSame(), CheckType(), CheckValueType(), llvm::SmallVectorImpl< T >::clear(), ComplexPatternFuncMutatesDAG(), llvm::ISD::Constant, llvm::ISD::ConstantFP, llvm::ISD::CopyFromReg, llvm::ISD::CopyToReg, CurDAG, llvm::dbgs(), decodeSignRotatedValue(), llvm::ISD::DELETED_NODE, E, llvm::ISD::EH_LABEL, llvm::SmallVectorBase< Size_T >::empty(), llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::ISD::EntryToken, llvm::erase_value(), Flags, llvm::ISD::FREEZE, llvm::MCInstrInfo::get(), llvm::SelectionDAG::getCopyToReg(), llvm::SelectionDAG::getDataLayout(), llvm::SelectionDAG::getEntryNode(), getIncludePathForIndex(), llvm::SelectionDAG::getMachineNode(), llvm::SDValue::getNode(), getNumFixedFromVariadicInfo(), llvm::SDNode::getNumOperands(), llvm::SDNode::getNumValues(), llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), getPatternForIndex(), llvm::TargetLoweringBase::getPointerTy(), llvm::SelectionDAG::getRegister(), llvm::EVT::getSizeInBits(), llvm::SelectionDAG::getTargetConstant(), llvm::SelectionDAG::getTargetConstantFP(), llvm::SDValue::getValue(), llvm::SDValue::getValueSizeInBits(), llvm::SDValue::getValueType(), llvm::SDNode::getValueType(), GetVBR(), llvm::SelectionDAG::getVTList(), llvm::MVT::Glue, HandleMergeInputChains(), llvm::ISD::HANDLENODE, Idx, llvm::ISD::INLINEASM, llvm::ISD::INLINEASM_BR, llvm::MVT::iPTR, llvm::is_contained(), llvm::ISD::isConstantSplatVectorAllOnes(), llvm::ISD::isConstantSplatVectorAllZeros(), IsLegalToFold(), llvm::SDNode::isMachineOpcode(), IsPredicateKnownToFail(), IsProfitableToFold(), llvm::ISD::LIFETIME_END, llvm::ISD::LIFETIME_START, LLVM_DEBUG, llvm::MCInstrDesc::mayLoad(), mayRaiseFPException(), llvm::MCInstrDesc::mayStore(), llvm::ISD::MCSymbol, llvm::ISD::MDNODE_SDNODE, llvm::ISD::MEMBARRIER, N, OPC_CaptureGlueInput, OPC_CheckAndImm, OPC_CheckChild0Integer, OPC_CheckChild0Same, OPC_CheckChild0Type, OPC_CheckChild1Integer, OPC_CheckChild1Same, OPC_CheckChild1Type, OPC_CheckChild2CondCode, OPC_CheckChild2Integer, OPC_CheckChild2Same, OPC_CheckChild2Type, OPC_CheckChild3Integer, OPC_CheckChild3Same, OPC_CheckChild3Type, OPC_CheckChild4Integer, OPC_CheckChild4Type, OPC_CheckChild5Type, OPC_CheckChild6Type, OPC_CheckChild7Type, OPC_CheckComplexPat, OPC_CheckCondCode, OPC_CheckFoldableChainNode, OPC_CheckImmAllOnesV, OPC_CheckImmAllZerosV, OPC_CheckInteger, OPC_CheckOpcode, OPC_CheckOrImm, OPC_CheckPatternPredicate, OPC_CheckPredicate, OPC_CheckPredicateWithOperands, OPC_CheckSame, OPC_CheckType, OPC_CheckTypeRes, OPC_CheckValueType, OPC_CompleteMatch, OPC_Coverage, OPC_EmitConvertToTarget, OPC_EmitCopyToReg, OPC_EmitCopyToReg2, OPC_EmitInteger, OPC_EmitMergeInputChains, OPC_EmitMergeInputChains1_0, OPC_EmitMergeInputChains1_1, OPC_EmitMergeInputChains1_2, OPC_EmitNode, OPC_EmitNode0, OPC_EmitNode1, OPC_EmitNode2, OPC_EmitNodeXForm, OPC_EmitRegister, OPC_EmitRegister2, OPC_EmitStringInteger, OPC_MorphNodeTo, OPC_MorphNodeTo0, OPC_MorphNodeTo1, OPC_MorphNodeTo2, OPC_MoveChild, OPC_MoveChild0, OPC_MoveChild1, OPC_MoveChild2, OPC_MoveChild3, OPC_MoveChild4, OPC_MoveChild5, OPC_MoveChild6, OPC_MoveChild7, OPC_MoveParent, OPC_RecordChild0, OPC_RecordChild1, OPC_RecordChild2, OPC_RecordChild3, OPC_RecordChild4, OPC_RecordChild5, OPC_RecordChild6, OPC_RecordChild7, OPC_RecordMemRef, OPC_RecordNode, OPC_Scope, OPC_SwitchOpcode, OPC_SwitchType, Operands, OPFL_Chain, OPFL_GlueInput, OPFL_GlueOutput, OPFL_MemRefs, OPFL_VariadicInfo, OptLevel, llvm::MVT::Other, llvm::ISD::PATCHPOINT, llvm::SmallVectorTemplateBase< T, bool >::pop_back(), llvm::ISD::PSEUDO_PROBE, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::ISD::READ_REGISTER, llvm::ISD::Register, llvm::ISD::RegisterMask, llvm::SelectionDAG::RemoveDeadNode(), ReplaceUses(), llvm::SmallVectorImpl< T >::resize(), RunSDNodeXForm(), llvm::SelectionDAG::salvageDebugInfo(), llvm::SDNode::setNodeId(), llvm::SelectionDAG::setNodeMemRefs(), llvm::SmallVectorBase< Size_T >::size(), llvm::ISD::STACKMAP, llvm::ISD::TargetBlockAddress, llvm::ISD::TargetConstant, llvm::ISD::TargetConstantFP, llvm::ISD::TargetConstantPool, llvm::ISD::TargetExternalSymbol, llvm::ISD::TargetFrameIndex, llvm::ISD::TargetGlobalAddress, llvm::ISD::TargetGlobalTLSAddress, llvm::ISD::TargetJumpTable, TII, TLI, llvm::ISD::TokenFactor, llvm::ISD::UNDEF, llvm::SDNode::use_begin(), llvm::SDNode::use_empty(), llvm::SDNode::use_end(), and llvm::ISD::WRITE_REGISTER.

SelectInlineAsmMemoryOperand()

virtual bool llvm::SelectionDAGISel::SelectInlineAsmMemoryOperand ( const SDValue &  Op, unsigned  ConstraintID, std::vector< SDValue > &  OutOps  )

inlinevirtual

SelectInlineAsmMemoryOperand - Select the specified address as a target addressing mode, according to the specified constraint.

If this does not match or is not implemented, return true. The resultant operands (which will appear in the machine instruction) should be added to the OutOps vector.

Reimplemented in llvm::HexagonDAGToDAGISel, llvm::LoongArchDAGToDAGISel, llvm::NVPTXDAGToDAGISel, and llvm::RISCVDAGToDAGISel.

Definition at line 92 of file SelectionDAGISel.h.

Referenced by SelectInlineAsmMemoryOperands().

SelectInlineAsmMemoryOperands()

void SelectionDAGISel::SelectInlineAsmMemoryOperands ( std::vector< SDValue > &  Ops, const SDLoc &  DL  )

protected

SelectInlineAsmMemoryOperands - Calls to this are automatically generated by tblgen.

Others should not call it.

Definition at line 1994 of file SelectionDAGISel.cpp.

References llvm::append_range(), assert(), CurDAG, DL, Flags, llvm::InlineAsm::getFlagWord(), llvm::InlineAsm::getFlagWordForMem(), llvm::InlineAsm::getMemoryConstraintID(), llvm::InlineAsm::getNumOperandRegisters(), llvm::SelectionDAG::getTargetConstant(), llvm::MVT::Glue, llvm::MVT::i32, llvm::InlineAsm::isFuncKind(), llvm::InlineAsm::isMemKind(), llvm::InlineAsm::isUseOperandTiedToDef(), llvm::InlineAsm::Kind_Func, llvm::InlineAsm::Kind_Mem, llvm::InlineAsm::Op_AsmString, llvm::InlineAsm::Op_ExtraInfo, llvm::InlineAsm::Op_FirstOperand, llvm::InlineAsm::Op_InputChain, llvm::InlineAsm::Op_MDNode, llvm::report_fatal_error(), SelectInlineAsmMemoryOperand(), and std::swap().

shouldOptForSize()

bool llvm::SelectionDAGISel::shouldOptForSize ( const MachineFunction *  MF ) const

inlineprotected

Definition at line 249 of file SelectionDAGISel.h.

References CurDAG, and llvm::SelectionDAG::shouldOptForSize().

Member Data Documentation

AA

AAResults* llvm::SelectionDAGISel::AA = nullptr

Definition at line 51 of file SelectionDAGISel.h.

Referenced by llvm::createVLIWDAGScheduler(), runOnMachineFunction(), and llvm::HexagonDAGToDAGISel::SelectVAlignAddr().

AC

AssumptionCache* llvm::SelectionDAGISel::AC = nullptr

Definition at line 52 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

CurDAG

SelectionDAG* llvm::SelectionDAGISel::CurDAG

Definition at line 49 of file SelectionDAGISel.h.

Referenced by llvm::RISCVDAGToDAGISel::addVectorLoadStoreOperands(), CheckAndMask(), CheckOrMask(), llvm::HexagonDAGToDAGISel::DetectUseSxtw(), llvm::MipsDAGToDAGISel::getGlobalBaseReg(), IsPredicateKnownToFail(), llvm::HexagonDAGToDAGISel::LoadInstrForLoadIntrinsic(), AMDGPUDAGToDAGISel::matchLoadD16FromBuildVector(), AMDGPUDAGToDAGISel::PostprocessISelDAG(), llvm::RISCVDAGToDAGISel::PostprocessISelDAG(), AMDGPUDAGToDAGISel::PreprocessISelDAG(), llvm::HexagonDAGToDAGISel::PreprocessISelDAG(), llvm::RISCVDAGToDAGISel::PreprocessISelDAG(), ReplaceNode(), ReplaceUses(), runOnMachineFunction(), AMDGPUDAGToDAGISel::Select(), llvm::RISCVDAGToDAGISel::Select(), llvm::LoongArchDAGToDAGISel::SelectAddrConstant(), llvm::HexagonDAGToDAGISel::SelectAddrFI(), llvm::RISCVDAGToDAGISel::SelectAddrFrameIndex(), llvm::RISCVDAGToDAGISel::SelectAddrRegImm(), llvm::RISCVDAGToDAGISel::SelectAddrRegRegScale(), llvm::HexagonDAGToDAGISel::SelectAddSubCarry(), llvm::HexagonDAGToDAGISel::SelectAnyImmediate(), llvm::HexagonDAGToDAGISel::SelectAnyInt(), llvm::LoongArchDAGToDAGISel::SelectBaseAddr(), llvm::HexagonDAGToDAGISel::SelectBrevLdIntrinsic(), AMDGPUDAGToDAGISel::SelectBuildVector(), SelectCodeCommon(), llvm::HexagonDAGToDAGISel::SelectConstant(), llvm::HexagonDAGToDAGISel::SelectConstantFP(), llvm::HexagonDAGToDAGISel::SelectD2P(), llvm::HexagonDAGToDAGISel::SelectExtractSubvector(), llvm::RISCVDAGToDAGISel::selectFPImm(), llvm::RISCVDAGToDAGISel::SelectFrameAddrRegImm(), llvm::HexagonDAGToDAGISel::SelectFrameIndex(), llvm::HexagonDAGToDAGISel::SelectGlobalAddress(), llvm::HexagonDAGToDAGISel::SelectHVXDualOutput(), llvm::HexagonDAGToDAGISel::SelectIndexedStore(), llvm::HexagonDAGToDAGISel::SelectInlineAsmMemoryOperand(), llvm::LoongArchDAGToDAGISel::SelectInlineAsmMemoryOperand(), llvm::NVPTXDAGToDAGISel::SelectInlineAsmMemoryOperand(), SelectInlineAsmMemoryOperands(), llvm::HexagonDAGToDAGISel::SelectIntrinsicWChain(), llvm::HexagonDAGToDAGISel::SelectIntrinsicWOChain(), llvm::HexagonDAGToDAGISel::SelectNewCircIntrinsic(), llvm::HexagonDAGToDAGISel::SelectP2D(), llvm::HexagonDAGToDAGISel::SelectQ2V(), llvm::RISCVDAGToDAGISel::selectRVVSimm5(), llvm::RISCVDAGToDAGISel::selectSETCC(), llvm::RISCVDAGToDAGISel::selectSExtBits(), llvm::LoongArchDAGToDAGISel::selectSExti32(), llvm::LoongArchDAGToDAGISel::selectShiftMask(), llvm::RISCVDAGToDAGISel::selectShiftMask(), llvm::HexagonDAGToDAGISel::SelectSHL(), llvm::RISCVDAGToDAGISel::selectSHXADD_UWOp(), llvm::RISCVDAGToDAGISel::selectSHXADDOp(), llvm::RISCVDAGToDAGISel::selectSimm5Shl2(), llvm::HexagonDAGToDAGISel::SelectTypecast(), llvm::HexagonDAGToDAGISel::SelectV2Q(), llvm::HexagonDAGToDAGISel::SelectV65Gather(), llvm::HexagonDAGToDAGISel::SelectV65GatherPred(), llvm::HexagonDAGToDAGISel::SelectVAlign(), llvm::HexagonDAGToDAGISel::SelectVAlignAddr(), llvm::RISCVDAGToDAGISel::selectVLOp(), llvm::RISCVDAGToDAGISel::selectVLSEG(), llvm::RISCVDAGToDAGISel::selectVLSEGFF(), llvm::RISCVDAGToDAGISel::selectVLXSEG(), llvm::RISCVDAGToDAGISel::selectVSETVLI(), llvm::RISCVDAGToDAGISel::selectVSplatSimm5(), llvm::RISCVDAGToDAGISel::selectVSplatSimm5Plus1(), llvm::RISCVDAGToDAGISel::selectVSplatSimm5Plus1NonZero(), llvm::RISCVDAGToDAGISel::selectVSplatUimm5(), llvm::RISCVDAGToDAGISel::selectVSSEG(), llvm::RISCVDAGToDAGISel::selectVSXSEG(), llvm::RISCVDAGToDAGISel::selectZExtBits(), llvm::LoongArchDAGToDAGISel::selectZExti32(), shouldOptForSize(), llvm::HexagonDAGToDAGISel::StoreInstrForLoadIntrinsic(), llvm::RISCVDAGToDAGISel::tryIndexedLoad(), llvm::HexagonDAGToDAGISel::tryLoadOfLoadIntrinsic(), llvm::RISCVDAGToDAGISel::tryShrinkShlLogicImm(), llvm::RISCVDAGToDAGISel::trySignedBitfieldExtract(), and ~SelectionDAGISel().

DAGSize

unsigned llvm::SelectionDAGISel::DAGSize = 0

protected

DAGSize - Size of DAG being instruction selected.

Definition at line 203 of file SelectionDAGISel.h.

ElidedArgCopyInstrs

SmallPtrSet<const Instruction *, 4> llvm::SelectionDAGISel::ElidedArgCopyInstrs

Definition at line 58 of file SelectionDAGISel.h.

FastISelFailed

bool llvm::SelectionDAGISel::FastISelFailed

Definition at line 57 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

FuncInfo

std::unique_ptr<FunctionLoweringInfo> llvm::SelectionDAGISel::FuncInfo

Definition at line 45 of file SelectionDAGISel.h.

GFI

GCFunctionInfo* llvm::SelectionDAGISel::GFI = nullptr

Definition at line 53 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

LibInfo

const TargetLibraryInfo* llvm::SelectionDAGISel::LibInfo

Definition at line 44 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

MF

MachineFunction* llvm::SelectionDAGISel::MF

Definition at line 47 of file SelectionDAGISel.h.

Referenced by llvm::createBURRListDAGScheduler(), llvm::createDAGLinearizer(), llvm::createDefaultScheduler(), llvm::createFastDAGScheduler(), llvm::createHybridListDAGScheduler(), llvm::createILPListDAGScheduler(), llvm::createSourceListDAGScheduler(), llvm::createVLIWDAGScheduler(), llvm::HexagonDAGToDAGISel::emitFunctionEntryCode(), llvm::MipsDAGToDAGISel::getGlobalBaseReg(), isOrEquivalentToAdd(), llvm::OptLevelChanger::OptLevelChanger(), llvm::RISCVDAGToDAGISel::PreprocessISelDAG(), llvm::ResourcePriorityQueue::ResourcePriorityQueue(), runOnMachineFunction(), AMDGPUDAGToDAGISel::runOnMachineFunction(), llvm::HexagonDAGToDAGISel::runOnMachineFunction(), llvm::LoongArchDAGToDAGISel::runOnMachineFunction(), llvm::MipsDAGToDAGISel::runOnMachineFunction(), llvm::NVPTXDAGToDAGISel::runOnMachineFunction(), llvm::RISCVDAGToDAGISel::runOnMachineFunction(), llvm::HexagonDAGToDAGISel::SelectAddrFI(), llvm::HexagonDAGToDAGISel::SelectFrameIndex(), and llvm::OptLevelChanger::~OptLevelChanger().

OptLevel

CodeGenOpt::Level llvm::SelectionDAGISel::OptLevel

Definition at line 54 of file SelectionDAGISel.h.

Referenced by llvm::createMipsSEISelDag(), getAnalysisUsage(), IsLegalToFold(), IsProfitableToFold(), llvm::OptLevelChanger::OptLevelChanger(), runOnMachineFunction(), SelectCodeCommon(), and llvm::OptLevelChanger::~OptLevelChanger().

ORE

std::unique_ptr<OptimizationRemarkEmitter> llvm::SelectionDAGISel::ORE

Current optimization remark emitter.

Used to report things like combines and FastISel failures.

Definition at line 62 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

RegInfo

MachineRegisterInfo* llvm::SelectionDAGISel::RegInfo

Definition at line 48 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

SDB

std::unique_ptr<SelectionDAGBuilder> llvm::SelectionDAGISel::SDB

Definition at line 50 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction().

SwiftError

SwiftErrorValueTracking* llvm::SelectionDAGISel::SwiftError

Definition at line 46 of file SelectionDAGISel.h.

Referenced by runOnMachineFunction(), and ~SelectionDAGISel().

TII

const TargetInstrInfo* llvm::SelectionDAGISel::TII

Definition at line 55 of file SelectionDAGISel.h.

Referenced by mayRaiseFPException(), runOnMachineFunction(), and SelectCodeCommon().

TLI

const TargetLowering* llvm::SelectionDAGISel::TLI

Definition at line 56 of file SelectionDAGISel.h.

Referenced by llvm::createDefaultScheduler(), llvm::createHybridListDAGScheduler(), llvm::createILPListDAGScheduler(), getTargetLowering(), IsPredicateKnownToFail(), llvm::RISCVDAGToDAGISel::PreprocessISelDAG(), llvm::ResourcePriorityQueue::ResourcePriorityQueue(), runOnMachineFunction(), llvm::RISCVDAGToDAGISel::Select(), SelectCodeCommon(), and llvm::RISCVDAGToDAGISel::selectFPImm().

TM

TargetMachine& llvm::SelectionDAGISel::TM

Definition at line 43 of file SelectionDAGISel.h.

Referenced by llvm::createMipsSEISelDag(), llvm::OptLevelChanger::OptLevelChanger(), runOnMachineFunction(), llvm::RISCVDAGToDAGISel::Select(), and llvm::OptLevelChanger::~OptLevelChanger().

---

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

• include/llvm/CodeGen/SelectionDAGISel.h
• lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
• lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp