llvm::RISCVISAInfo Class Reference

#include "llvm/Support/RISCVISAInfo.h"

Classes
struct	ExtensionComparator
	Helper class for OrderedExtensionMap. More...

Public Types
typedef std::map< std::string, RISCVExtensionInfo, ExtensionComparator >	OrderedExtensionMap
	OrderedExtensionMap is std::map, it's specialized to keep entries in canonical order of extension. More...

Public Member Functions
	RISCVISAInfo (const RISCVISAInfo &)=delete
RISCVISAInfo &	operator= (const RISCVISAInfo &)=delete
void	toFeatures (std::vector< StringRef > &Features, std::function< StringRef(const Twine &)> StrAlloc) const
	Convert RISCV ISA info to a feature vector. More...
const OrderedExtensionMap &	getExtensions () const
unsigned	getXLen () const
unsigned	getFLen () const
unsigned	getMinVLen () const
unsigned	getMaxELen () const
unsigned	getMaxELenFp () const
bool	hasExtension (StringRef Ext) const
std::string	toString () const
std::vector< std::string >	toFeatureVector () const
StringRef	computeDefaultABI () const

Static Public Member Functions
static bool	compareExtension (const std::string &LHS, const std::string &RHS)
static llvm::Expected< std::unique_ptr< RISCVISAInfo > >	parseArchString (StringRef Arch, bool EnableExperimentalExtension, bool ExperimentalExtensionVersionCheck=true)
	Parse RISCV ISA info from arch string. More...
static llvm::Expected< std::unique_ptr< RISCVISAInfo > >	parseFeatures (unsigned XLen, const std::vector< std::string > &Features)
	Parse RISCV ISA info from feature vector. More...
static bool	isSupportedExtensionFeature (StringRef Ext)
static bool	isSupportedExtension (StringRef Ext)
static bool	isSupportedExtension (StringRef Ext, unsigned MajorVersion, unsigned MinorVersion)

Detailed Description

Definition at line 26 of file RISCVISAInfo.h.

Member Typedef Documentation

OrderedExtensionMap

typedef std::map<std::string, RISCVExtensionInfo, ExtensionComparator> llvm::RISCVISAInfo::OrderedExtensionMap

OrderedExtensionMap is std::map, it's specialized to keep entries in canonical order of extension.

Definition at line 43 of file RISCVISAInfo.h.

Constructor & Destructor Documentation

RISCVISAInfo()

llvm::RISCVISAInfo::RISCVISAInfo ( const RISCVISAInfo &  )

delete

Referenced by parseArchString(), and parseFeatures().

Member Function Documentation

compareExtension()

bool RISCVISAInfo::compareExtension ( const std::string &  LHS, const std::string &  RHS  )

static

Definition at line 292 of file RISCVISAInfo.cpp.

References LHS, multiLetterExtensionRank(), RHS, and singleLetterExtensionRank().

Referenced by llvm::RISCVISAInfo::ExtensionComparator::operator()().

computeDefaultABI()

StringRef RISCVISAInfo::computeDefaultABI

(

)

const

Definition at line 965 of file RISCVISAInfo.cpp.

References hasExtension(), and llvm_unreachable.

getExtensions()

const OrderedExtensionMap& llvm::RISCVISAInfo::getExtensions ( ) const

inline

Definition at line 58 of file RISCVISAInfo.h.

getFLen()

unsigned llvm::RISCVISAInfo::getFLen ( ) const

inline

Definition at line 61 of file RISCVISAInfo.h.

getMaxELen()

unsigned llvm::RISCVISAInfo::getMaxELen ( ) const

inline

Definition at line 63 of file RISCVISAInfo.h.

getMaxELenFp()

unsigned llvm::RISCVISAInfo::getMaxELenFp ( ) const

inline

Definition at line 64 of file RISCVISAInfo.h.

getMinVLen()

unsigned llvm::RISCVISAInfo::getMinVLen ( ) const

inline

Definition at line 62 of file RISCVISAInfo.h.

getXLen()

unsigned llvm::RISCVISAInfo::getXLen ( ) const

inline

Definition at line 60 of file RISCVISAInfo.h.

hasExtension()

bool RISCVISAInfo::hasExtension

(

StringRef

Ext

)

const

Definition at line 225 of file RISCVISAInfo.cpp.

References llvm::MipsISD::Ext, isSupportedExtension(), and stripExperimentalPrefix().

Referenced by computeDefaultABI().

isSupportedExtension() [1/2]

bool RISCVISAInfo::isSupportedExtension ( StringRef  Ext )

static

Definition at line 210 of file RISCVISAInfo.cpp.

References llvm::any_of(), llvm::MipsISD::Ext, SupportedExperimentalExtensions, and SupportedExtensions.

Referenced by getExtensionVersion(), hasExtension(), and parseArchString().

isSupportedExtension() [2/2]

bool RISCVISAInfo::isSupportedExtension ( StringRef  Ext, unsigned  MajorVersion, unsigned  MinorVersion  )

static

Definition at line 215 of file RISCVISAInfo.cpp.

References llvm::any_of(), llvm::MipsISD::Ext, SupportedExperimentalExtensions, and SupportedExtensions.

isSupportedExtensionFeature()

bool RISCVISAInfo::isSupportedExtensionFeature ( StringRef  Ext )

static

Definition at line 201 of file RISCVISAInfo.cpp.

References llvm::any_of(), llvm::MipsISD::Ext, stripExperimentalPrefix(), SupportedExperimentalExtensions, and SupportedExtensions.

Referenced by llvm::RISCVFeatures::parseFeatureBits().

operator=()

RISCVISAInfo& llvm::RISCVISAInfo::operator= ( const RISCVISAInfo &  )

delete

parseArchString()

llvm::Expected< std::unique_ptr< RISCVISAInfo > > RISCVISAInfo::parseArchString ( StringRef  Arch, bool  EnableExperimentalExtension, bool  ExperimentalExtensionVersionCheck = true  )

static

Parse RISCV ISA info from arch string.

Definition at line 476 of file RISCVISAInfo.cpp.

References AllStdExts, llvm::any_of(), llvm::StringRef::begin(), llvm::StringRef::consume_front(), llvm::StringRef::contains(), llvm::createStringError(), llvm::StringRef::drop_front(), E, llvm::StringRef::end(), llvm::MipsISD::Ext, llvm::StringRef::find_first_of(), findDefaultVersion(), findFirstNonVersionCharacter(), getExtensionType(), getExtensionTypeDesc(), getExtensionVersion(), I, llvm::invalid_argument, llvm::is_contained(), isSupportedExtension(), llvm_unreachable, move, llvm::StringRef::npos, llvm::cl::Prefix, RISCVISAInfo(), llvm::StringRef::size(), llvm::StringRef::split(), llvm::StringRef::startswith(), llvm::StringRef::str(), llvm::StringRef::substr(), and llvm::IndexedInstrProf::Version.

parseFeatures()

llvm::Expected< std::unique_ptr< RISCVISAInfo > > RISCVISAInfo::parseFeatures ( unsigned  XLen, const std::vector< std::string > &  Features  )

static

Parse RISCV ISA info from feature vector.

Definition at line 442 of file RISCVISAInfo.cpp.

References assert(), llvm::StringRef::drop_front(), llvm::find_if(), llvm::makeArrayRef(), move, RISCVISAInfo(), llvm::StringRef::size(), llvm::StringRef::str(), stripExperimentalPrefix(), SupportedExperimentalExtensions, and SupportedExtensions.

Referenced by llvm::RISCVFeatures::parseFeatureBits().

toFeatures()

void RISCVISAInfo::toFeatures	(	std::vector< StringRef > &	Features,
		std::function< StringRef(const Twine &)>	StrAlloc
	)		const

Convert RISCV ISA info to a feature vector.

Definition at line 316 of file RISCVISAInfo.cpp.

References llvm::MipsISD::Ext, and isExperimentalExtension().

toFeatureVector()

std::vector< std::string > RISCVISAInfo::toFeatureVector

(

)

const

Definition at line 938 of file RISCVISAInfo.cpp.

References llvm::MipsISD::Ext, and isExperimentalExtension().

toString()

std::string RISCVISAInfo::toString

(

)

const

Definition at line 921 of file RISCVISAInfo.cpp.

References llvm::MipsISD::Ext, llvm::AArch64CC::LS, and llvm::raw_string_ostream::str().

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

• include/llvm/Support/RISCVISAInfo.h
• lib/Support/RISCVISAInfo.cpp