TypeTree Class Reference

Class representing the underlying types of values as sequences of offsets to a ConcreteType. More...

#include "TypeAnalysis/TypeTree.h"

Inheritance diagram for TypeTree:

Collaboration diagram for TypeTree:

Public Member Functions
	TypeTree ()
	TypeTree (ConcreteType dat)
const ConcreteTypeMapType &	getMapping () const
	Utility helper to lookup the mapping.
ConcreteType	operator[] (const std::vector< int > Seq) const
	Lookup the underlying ConcreteType at a given offset sequence or Unknown if none exists.
bool	IsFullyDetermined () const
bool	insert (const std::vector< int > Seq, ConcreteType CT, bool PointerIntSame=false)
	Return if changed.
bool	operator< (const TypeTree &vd) const
	How this TypeTree compares with another.
bool	isKnown () const
	Whether this TypeTree contains any information.
bool	isKnownPastPointer () const
	Whether this TypeTree knows any non-pointer information.
TypeTree	JustInt () const
	Select only the Integer ConcreteTypes.
TypeTree	Only (int Off, llvm::Instruction *orig) const
	Prepend an offset to all mappings.
TypeTree	Data0 () const
	Peel off the outermost index at offset 0.
ConcreteType	Inner0 () const
	Optimized version of Data0()[{}].
TypeTree	Clear (size_t start, size_t end, size_t len) const
	Remove any mappings in the range [start, end) or [len, inf) This function has special handling for -1's.
TypeTree	Lookup (size_t len, const llvm::DataLayout &dl) const
	Select all submappings whose first index is in range [0, len) and remove the first index.
void	CanonicalizeInPlace (size_t len, const llvm::DataLayout &dl)
	Given that this tree represents something of at most size len, canonicalize this, creating -1's where possible.
TypeTree	KeepMinusOne (bool &legal) const
	Keep only pointers (or anything's) to a repeated value (represented by -1)
llvm::Type *	IsAllFloat (const size_t size, const llvm::DataLayout &dl) const
TypeTree	ShiftIndices (const llvm::DataLayout &dl, const int offset, const int maxSize, size_t addOffset=0) const
	Replace mappings in the range in [offset, offset+maxSize] with those in.
TypeTree	PurgeAnything () const
	Keep only mappings where the type is not an Anything
TypeTree	ReplaceMinus () const
	Replace -1 with 0.
void	ReplaceIntWithAnything ()
	Replace all integer subtypes with anything.
TypeTree	JustAnything () const
	Keep only mappings where the type is an Anything
bool	operator== (const TypeTree &RHS) const
	Chceck equality of two TypeTrees.
bool	operator= (const TypeTree &RHS)
	Set this to another TypeTree, returning if this was changed.
bool	checkedOrIn (const std::vector< int > &Seq, ConcreteType RHS, bool PointerIntSame, bool &LegalOr)
bool	orIn (const std::vector< int > &Seq, ConcreteType RHS, bool PointerIntSame=false)
bool	checkedOrIn (const TypeTree &RHS, bool PointerIntSame, bool &LegalOr)
	Set this to the logical or of itself and RHS, returning whether this value changed Setting PointerIntSame considers pointers and integers as equivalent If this is an illegal operation, LegalOr will be set to false.
bool	orIn (const TypeTree &RHS, bool PointerIntSame)
	Set this to the logical or of itself and RHS, returning whether this value changed Setting PointerIntSame considers pointers and integers as equivalent This function will error if doing an illegal Operation.
bool	orIn (const std::vector< int > Seq, ConcreteType CT, bool PointerIntSame)
	Set this to the logical or of itself and RHS, returning whether this value changed Setting PointerIntSame considers pointers and integers as equivalent This function will error if doing an illegal Operation.
bool	operator|= (const TypeTree &RHS)
	Set this to the logical or of itself and RHS, returning whether this value changed This assumes that pointers and integers are distinct This function will error if doing an illegal Operation.
bool	andIn (const TypeTree &RHS)
	Set this to the logical and of itself and RHS, returning whether this value changed If this and RHS are incompatible at an index, the result will be BaseType::Unknown.
bool	operator&= (const TypeTree &RHS)
	Set this to the logical and of itself and RHS, returning whether this value changed If this and RHS are incompatible at an index, the result will be BaseType::Unknown.
bool	binopIn (bool &Legal, const TypeTree &RHS, llvm::BinaryOperator::BinaryOps Op)
	Set this to the logical binop of itself and RHS, using the Binop Op, returning true if this was changed.
std::string	str () const
	Returns a string representation of this TypeTree.
llvm::MDNode *	toMD (llvm::LLVMContext &ctx)
void	insertFromMD (llvm::MDNode *md, const std::vector< int > &prev={})

Static Public Member Functions
static TypeTree	parse (llvm::StringRef str, llvm::LLVMContext &ctx)
static TypeTree	fromMD (llvm::MDNode *md)

Detailed Description

Class representing the underlying types of values as sequences of offsets to a ConcreteType.

Definition at line 72 of file TypeTree.h.

Constructor & Destructor Documentation

TypeTree() [1/2]

TypeTree::TypeTree ( )

inline

Definition at line 79 of file TypeTree.h.

Referenced by ShiftIndices().

TypeTree() [2/2]

TypeTree::TypeTree ( ConcreteType dat )

inline

Definition at line 80 of file TypeTree.h.

References Unknown.

Member Function Documentation

andIn()

bool TypeTree::andIn ( const TypeTree & RHS )

inline

Set this to the logical and of itself and RHS, returning whether this value changed If this and RHS are incompatible at an index, the result will be BaseType::Unknown.

Definition at line 1294 of file TypeTree.h.

References Unknown.

Referenced by operator&=().

binopIn()

bool TypeTree::binopIn ( bool & Legal, const TypeTree & RHS, llvm::BinaryOperator::BinaryOps Op )

inline

Set this to the logical binop of itself and RHS, using the Binop Op, returning true if this was changed.

This function will error on an invalid type combination

Definition at line 1320 of file TypeTree.h.

References ConcreteType::binopIn(), and Unknown.

Referenced by TypeAnalyzer::visitBinaryOperation(), TypeAnalyzer::visitIntrinsicInst(), and TypeAnalyzer::visitPHINode().

CanonicalizeInPlace()

void TypeTree::CanonicalizeInPlace ( size_t len, const llvm::DataLayout & dl )

inline

Given that this tree represents something of at most size len, canonicalize this, creating -1's where possible.

Definition at line 676 of file TypeTree.h.

References insert(), Pointer, and str().

Referenced by getConstantAnalysis(), and TypeAnalyzer::visitCallBase().

checkedOrIn() [1/2]

bool TypeTree::checkedOrIn ( const std::vector< int > & Seq, ConcreteType RHS, bool PointerIntSame, bool & LegalOr )

inline

Definition at line 1108 of file TypeTree.h.

References Anything, ConcreteType::checkedOrIn(), insert(), Integer, operator[](), Pointer, and Unknown.

Referenced by checkedOrIn(), orIn(), orIn(), orIn(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitBinaryOperation(), and TypeAnalyzer::visitMemTransferCommon().

checkedOrIn() [2/2]

bool TypeTree::checkedOrIn ( const TypeTree & RHS, bool PointerIntSame, bool & LegalOr )

inline

Set this to the logical or of itself and RHS, returning whether this value changed Setting PointerIntSame considers pointers and integers as equivalent If this is an illegal operation, LegalOr will be set to false.

Definition at line 1243 of file TypeTree.h.

References checkedOrIn().

Clear()

TypeTree TypeTree::Clear ( size_t start, size_t end, size_t len ) const

inline

Remove any mappings in the range [start, end) or [len, inf) This function has special handling for -1's.

Definition at line 556 of file TypeTree.h.

References insert(), and orIn().

Referenced by TypeAnalyzer::visitInsertElementInst(), and TypeAnalyzer::visitInsertValueInst().

Data0()

TypeTree TypeTree::Data0 ( ) const

inline

Peel off the outermost index at offset 0.

Definition at line 513 of file TypeTree.h.

References orIn(), and str().

Referenced by analyzeIntelSubscriptIntrinsic(), AdjointGenerator::DifferentiableMemCopyFloats(), TypeResults::firstPointer(), TypeAnalyzer::visitBinaryOperation(), TypeAnalyzer::visitCallBase(), TypeAnalyzer::visitGEPOperator(), TypeAnalyzer::visitIntrinsicInst(), AdjointGenerator::visitMemSetCommon(), AdjointGenerator::visitMemTransferCommon(), TypeAnalyzer::visitMemTransferCommon(), and TypeAnalyzer::visitPHINode().

fromMD()

static TypeTree TypeTree::fromMD ( llvm::MDNode * md )

inlinestatic

Definition at line 1442 of file TypeTree.h.

References insertFromMD().

Referenced by TypeAnalyzer::considerTBAA().

getMapping()

const ConcreteTypeMapType & TypeTree::getMapping ( ) const

inline

Utility helper to lookup the mapping.

Definition at line 173 of file TypeTree.h.

Inner0()

ConcreteType TypeTree::Inner0 ( ) const

inline

Optimized version of Data0()[{}].

Definition at line 548 of file TypeTree.h.

References operator[]().

Referenced by analyzeIntelSubscriptIntrinsic(), TypeAnalyzer::visitCmpInst(), TypeAnalyzer::visitGEPOperator(), TypeAnalyzer::visitIPOCall(), TypeAnalyzer::visitPHINode(), TypeAnalyzer::visitSelectInst(), and TypeAnalyzer::visitZExtInst().

insert()

bool TypeTree::insert ( const std::vector< int > Seq, ConcreteType CT, bool PointerIntSame = false )

inline

Return if changed.

Definition at line 234 of file TypeTree.h.

References Anything, CustomErrorHandler, EnzymeMaxTypeDepth, EnzymeTypeWarning, Integer, MaxTypeOffset, Pointer, ConcreteType::str(), str(), to_string(), and TypeDepthExceeded.

Referenced by CanonicalizeInPlace(), checkedOrIn(), Clear(), TypeAnalyzer::considerTBAA(), getConstantAnalysis(), JustAnything(), JustInt(), KeepMinusOne(), Lookup(), ReplaceMinus(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitCallBase(), TypeAnalyzer::visitGEPOperator(), TypeAnalyzer::visitIntrinsicInst(), TypeAnalyzer::visitMemTransferCommon(), and AdjointGenerator::visitOMPCall().

insertFromMD()

void TypeTree::insertFromMD ( llvm::MDNode * md, const std::vector< int > & prev = {} )

inline

Definition at line 1425 of file TypeTree.h.

Referenced by EnzymeTypeTreeFromMD(), and fromMD().

IsAllFloat()

llvm::Type * TypeTree::IsAllFloat ( const size_t size, const llvm::DataLayout & dl ) const

inline

Definition at line 814 of file TypeTree.h.

References operator[]().

Referenced by AdjointGenerator::createBinaryOperatorAdjoint(), AdjointGenerator::createBinaryOperatorDual(), and TypeAnalyzer::visitBinaryOperation().

IsFullyDetermined()

bool TypeTree::IsFullyDetermined ( ) const

inline

Definition at line 221 of file TypeTree.h.

References Pointer.

isKnown()

bool TypeTree::isKnown ( ) const

inline

Whether this TypeTree contains any information.

Definition at line 431 of file TypeTree.h.

Referenced by TypeAnalyzer::considerRustDebugInfo().

isKnownPastPointer()

bool TypeTree::isKnownPastPointer ( ) const

inline

Whether this TypeTree knows any non-pointer information.

Definition at line 443 of file TypeTree.h.

References Anything, and Pointer.

Referenced by TypeAnalyzer::considerTBAA().

JustAnything()

TypeTree TypeTree::JustAnything ( ) const

inline

Keep only mappings where the type is an Anything

Definition at line 1083 of file TypeTree.h.

References Anything, and insert().

Referenced by TypeAnalyzer::visitSelectInst().

JustInt()

TypeTree TypeTree::JustInt ( ) const

inline

Select only the Integer ConcreteTypes.

Definition at line 459 of file TypeTree.h.

References insert(), and Integer.

KeepMinusOne()

TypeTree TypeTree::KeepMinusOne ( bool & legal ) const

inline

Keep only pointers (or anything's) to a repeated value (represented by -1)

Definition at line 785 of file TypeTree.h.

References Anything, insert(), and Pointer.

Lookup()

TypeTree TypeTree::Lookup ( size_t len, const llvm::DataLayout & dl ) const

inline

Select all submappings whose first index is in range [0, len) and remove the first index.

This is the inverse of the Only operation

Definition at line 593 of file TypeTree.h.

References Anything, insert(), and Pointer.

Referenced by TypeAnalyzer::considerTBAA(), TypeAnalyzer::visitAllocaInst(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitCallBase(), AdjointGenerator::visitCommonStore(), TypeAnalyzer::visitExtractElementInst(), TypeAnalyzer::visitIntrinsicInst(), TypeAnalyzer::visitLoadInst(), TypeAnalyzer::visitStoreInst(), and writesToMemoryReadBy().

Only()

TypeTree TypeTree::Only ( int Off, llvm::Instruction * orig ) const

inline

Prepend an offset to all mappings.

Definition at line 471 of file TypeTree.h.

References CustomErrorHandler, EmitWarning(), EnzymeMaxTypeDepth, EnzymeTypeWarning, str(), and TypeDepthExceeded.

Referenced by analyzeIntelSubscriptIntrinsic(), TypeHandler< double * >::analyzeType(), TypeHandler< double >::analyzeType(), TypeHandler< float * >::analyzeType(), TypeHandler< float >::analyzeType(), TypeHandler< int * >::analyzeType(), TypeHandler< int >::analyzeType(), TypeHandler< long double * >::analyzeType(), TypeHandler< long double >::analyzeType(), TypeHandler< long int * >::analyzeType(), TypeHandler< long int >::analyzeType(), TypeHandler< long long int * >::analyzeType(), TypeHandler< long long int >::analyzeType(), TypeHandler< long long unsigned int * >::analyzeType(), TypeHandler< long long unsigned int >::analyzeType(), TypeHandler< long unsigned int * >::analyzeType(), TypeHandler< long unsigned int >::analyzeType(), TypeHandler< unsigned int * >::analyzeType(), TypeHandler< unsigned int >::analyzeType(), TypeHandler< void * >::analyzeType(), TypeAnalyzer::considerRustDebugInfo(), TypeAnalyzer::considerTBAA(), defaultTypeTreeForLLVM(), AdjointGenerator::DifferentiableMemCopyFloats(), TypeAnalyzer::getAnalysis(), TypeAnalyzer::getCallInfo(), getConstantAnalysis(), parseDIType(), parseDIType(), parseTBAA(), parseTBAA(), TypeAnalyzer::runPHIHypotheses(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitBinaryOperation(), TypeAnalyzer::visitBinaryOperator(), TypeAnalyzer::visitCallBase(), TypeAnalyzer::visitCmpInst(), TypeAnalyzer::visitExtractElementInst(), TypeAnalyzer::visitFPExtInst(), TypeAnalyzer::visitFPToSIInst(), TypeAnalyzer::visitFPToUIInst(), TypeAnalyzer::visitFPTruncInst(), TypeAnalyzer::visitGEPOperator(), TypeAnalyzer::visitIntrinsicInst(), TypeAnalyzer::visitIPOCall(), AdjointGenerator::visitMemSetCommon(), AdjointGenerator::visitMemTransferCommon(), TypeAnalyzer::visitMemTransferCommon(), TypeAnalyzer::visitPHINode(), TypeAnalyzer::visitShuffleVectorInst(), TypeAnalyzer::visitSIToFPInst(), TypeAnalyzer::visitUIToFPInst(), and TypeAnalyzer::visitZExtInst().

operator&=()

bool TypeTree::operator&= ( const TypeTree & RHS )

inline

Set this to the logical and of itself and RHS, returning whether this value changed If this and RHS are incompatible at an index, the result will be BaseType::Unknown.

Definition at line 1315 of file TypeTree.h.

References andIn().

operator<()

bool TypeTree::operator< ( const TypeTree & vd ) const

inline

How this TypeTree compares with another.

Definition at line 428 of file TypeTree.h.

operator=()

bool TypeTree::operator= ( const TypeTree & RHS )

inline

Set this to another TypeTree, returning if this was changed.

Definition at line 1097 of file TypeTree.h.

operator==()

bool TypeTree::operator== ( const TypeTree & RHS ) const

inline

Chceck equality of two TypeTrees.

Definition at line 1094 of file TypeTree.h.

operator[]()

ConcreteType TypeTree::operator[] ( const std::vector< int > Seq ) const

inline

Lookup the underlying ConcreteType at a given offset sequence or Unknown if none exists.

Definition at line 177 of file TypeTree.h.

References Unknown.

Referenced by checkedOrIn(), Inner0(), IsAllFloat(), and ShiftIndices().

operator|=()

bool TypeTree::operator|= ( const TypeTree & RHS )

inline

Set this to the logical or of itself and RHS, returning whether this value changed This assumes that pointers and integers are distinct This function will error if doing an illegal Operation.

Definition at line 1287 of file TypeTree.h.

References orIn().

orIn() [1/3]

bool TypeTree::orIn ( const std::vector< int > & Seq, ConcreteType RHS, bool PointerIntSame = false )

inline

Definition at line 1232 of file TypeTree.h.

References checkedOrIn().

Referenced by Clear(), Data0(), operator|=(), TypeAnalyzer::visitBinaryOperation(), and TypeAnalyzer::visitCallBase().

orIn() [2/3]

bool TypeTree::orIn ( const std::vector< int > Seq, ConcreteType CT, bool PointerIntSame )

inline

Set this to the logical or of itself and RHS, returning whether this value changed Setting PointerIntSame considers pointers and integers as equivalent This function will error if doing an illegal Operation.

Definition at line 1271 of file TypeTree.h.

References checkedOrIn(), ConcreteType::str(), str(), and to_string().

orIn() [3/3]

bool TypeTree::orIn ( const TypeTree & RHS, bool PointerIntSame )

inline

Set this to the logical or of itself and RHS, returning whether this value changed Setting PointerIntSame considers pointers and integers as equivalent This function will error if doing an illegal Operation.

Definition at line 1256 of file TypeTree.h.

References checkedOrIn(), and str().

parse()

static TypeTree TypeTree::parse ( llvm::StringRef str, llvm::LLVMContext & ctx )

inlinestatic

Definition at line 86 of file TypeTree.h.

References str().

Referenced by TypeAnalyzer::considerTBAA(), and AdjointGenerator::visitMemTransferCommon().

PurgeAnything()

TypeTree TypeTree::PurgeAnything ( ) const

inline

Keep only mappings where the type is not an Anything

Definition at line 1041 of file TypeTree.h.

References Anything.

Referenced by TypeAnalyzer::considerTBAA(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitCallBase(), TypeAnalyzer::visitIntrinsicInst(), TypeAnalyzer::visitLoadInst(), AdjointGenerator::visitMemTransferCommon(), TypeAnalyzer::visitMemTransferCommon(), TypeAnalyzer::visitPHINode(), TypeAnalyzer::visitSelectInst(), and TypeAnalyzer::visitStoreInst().

ReplaceIntWithAnything()

void TypeTree::ReplaceIntWithAnything ( )

inline

Replace all integer subtypes with anything.

Definition at line 1074 of file TypeTree.h.

References Anything, and Integer.

ReplaceMinus()

TypeTree TypeTree::ReplaceMinus ( ) const

inline

Replace -1 with 0.

Definition at line 1059 of file TypeTree.h.

References Anything, and insert().

Referenced by TypeAnalyzer::visitStoreInst().

ShiftIndices()

TypeTree TypeTree::ShiftIndices ( const llvm::DataLayout & dl, const int offset, const int maxSize, size_t addOffset = 0 ) const

inline

Replace mappings in the range in [offset, offset+maxSize] with those in.

Definition at line 840 of file TypeTree.h.

References Anything, MaxTypeOffset, operator[](), ConcreteType::orIn(), Pointer, str(), and TypeTree().

Referenced by analyzeIntelSubscriptIntrinsic(), TypeAnalyzer::considerTBAA(), defaultTypeTreeForLLVM(), AdjointGenerator::DifferentiableMemCopyFloats(), getConstantAnalysis(), parseDIType(), parseDIType(), parseTBAA(), parseTBAA(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitCallBase(), TypeAnalyzer::visitExtractElementInst(), TypeAnalyzer::visitExtractValueInst(), TypeAnalyzer::visitGEPOperator(), TypeAnalyzer::visitInsertElementInst(), TypeAnalyzer::visitInsertValueInst(), TypeAnalyzer::visitIntrinsicInst(), TypeAnalyzer::visitLoadInst(), AdjointGenerator::visitMemSetCommon(), AdjointGenerator::visitMemTransferCommon(), TypeAnalyzer::visitMemTransferCommon(), TypeAnalyzer::visitShuffleVectorInst(), TypeAnalyzer::visitStoreInst(), and TypeAnalyzer::visitTruncInst().

str()

std::string TypeTree::str ( ) const

inline

Returns a string representation of this TypeTree.

Definition at line 1383 of file TypeTree.h.

Referenced by TypeAnalysis::analyzeFunction(), CanonicalizeInPlace(), TypeAnalyzer::considerTBAA(), AdjointGenerator::createBinaryOperatorAdjoint(), AdjointGenerator::createBinaryOperatorDual(), Data0(), insert(), Only(), orIn(), orIn(), parse(), ShiftIndices(), TypeAnalyzer::visitAtomicRMWInst(), TypeAnalyzer::visitBinaryOperation(), TypeAnalyzer::visitIntrinsicInst(), TypeAnalyzer::visitMemTransferCommon(), TypeAnalyzer::visitPHINode(), and TypeAnalyzer::visitSelectInst().

toMD()

llvm::MDNode * TypeTree::toMD ( llvm::LLVMContext & ctx )

inline

Definition at line 1403 of file TypeTree.h.

References ConcreteType::str(), and Unknown.

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

• TypeAnalysis/TypeTree.h