llvm::FeatureBitset Class Reference

Container class for subtarget features. More...

#include "llvm/TargetParser/SubtargetFeature.h"

Inheritance diagram for llvm::FeatureBitset:

Public Member Functions
constexpr	FeatureBitset ()=default
constexpr	FeatureBitset (std::initializer_list< unsigned > Init)
FeatureBitset &	set ()
constexpr FeatureBitset &	set (unsigned I)
constexpr FeatureBitset &	reset (unsigned I)
constexpr FeatureBitset &	flip (unsigned I)
constexpr bool	operator[] (unsigned I) const
constexpr bool	test (unsigned I) const
constexpr size_t	size () const
bool	any () const
bool	none () const
size_t	count () const
constexpr FeatureBitset &	operator^= (const FeatureBitset &RHS)
constexpr FeatureBitset	operator^ (const FeatureBitset &RHS) const
constexpr FeatureBitset &	operator&= (const FeatureBitset &RHS)
constexpr FeatureBitset	operator& (const FeatureBitset &RHS) const
constexpr FeatureBitset &	operator|= (const FeatureBitset &RHS)
constexpr FeatureBitset	operator| (const FeatureBitset &RHS) const
constexpr FeatureBitset	operator~ () const
bool	operator== (const FeatureBitset &RHS) const
bool	operator!= (const FeatureBitset &RHS) const
bool	operator< (const FeatureBitset &Other) const

Protected Member Functions
constexpr	FeatureBitset (const std::array< uint64_t, MAX_SUBTARGET_WORDS > &B)

Detailed Description

Container class for subtarget features.

This is a constexpr reimplementation of a subset of std::bitset. It would be nice to use std::bitset directly, but it doesn't support constant initialization.

Definition at line 41 of file SubtargetFeature.h.

Constructor & Destructor Documentation

FeatureBitset() [1/3]

constexpr llvm::FeatureBitset::FeatureBitset ( const std::array< uint64_t, MAX_SUBTARGET_WORDS > &  B )

inlineconstexprprotected

Definition at line 47 of file SubtargetFeature.h.

FeatureBitset() [2/3]

constexpr llvm::FeatureBitset::FeatureBitset ( )

constexprdefault

FeatureBitset() [3/3]

constexpr llvm::FeatureBitset::FeatureBitset ( std::initializer_list< unsigned >  Init )

inlineconstexpr

Definition at line 52 of file SubtargetFeature.h.

References I, and set().

Member Function Documentation

any()

bool llvm::FeatureBitset::any ( ) const

inline

Definition at line 86 of file SubtargetFeature.h.

References llvm::any_of(), and I.

Referenced by getImpliedEnabledFeatures(), and none().

count()

size_t llvm::FeatureBitset::count ( ) const

inline

Definition at line 90 of file SubtargetFeature.h.

References B, and llvm::popcount().

flip()

constexpr FeatureBitset & llvm::FeatureBitset::flip ( unsigned  I )

inlineconstexpr

Definition at line 72 of file SubtargetFeature.h.

References I.

Referenced by llvm::MCSubtargetInfo::ToggleFeature().

none()

bool llvm::FeatureBitset::none ( ) const

inline

Definition at line 89 of file SubtargetFeature.h.

References any().

Referenced by llvm::RISCVSysReg::SysReg::haveRequiredFeatures().

operator!=()

bool llvm::FeatureBitset::operator!= ( const FeatureBitset &  RHS ) const

inline

Definition at line 143 of file SubtargetFeature.h.

References RHS.

operator&()

constexpr FeatureBitset llvm::FeatureBitset::operator& ( const FeatureBitset &  RHS ) const

inlineconstexpr

Definition at line 114 of file SubtargetFeature.h.

References RHS.

operator&=()

constexpr FeatureBitset & llvm::FeatureBitset::operator&= ( const FeatureBitset &  RHS )

inlineconstexpr

Definition at line 109 of file SubtargetFeature.h.

References E, I, and RHS.

operator<()

bool llvm::FeatureBitset::operator< ( const FeatureBitset &  Other ) const

inline

Definition at line 145 of file SubtargetFeature.h.

References E, I, LHS, llvm::Other, RHS, size(), and test.

operator==()

bool llvm::FeatureBitset::operator== ( const FeatureBitset &  RHS ) const

inline

Definition at line 139 of file SubtargetFeature.h.

References RHS.

operator[]()

constexpr bool llvm::FeatureBitset::operator[] ( unsigned  I ) const

inlineconstexpr

Definition at line 77 of file SubtargetFeature.h.

References I.

operator^()

constexpr FeatureBitset llvm::FeatureBitset::operator^ ( const FeatureBitset &  RHS ) const

inlineconstexpr

Definition at line 103 of file SubtargetFeature.h.

References RHS.

operator^=()

constexpr FeatureBitset & llvm::FeatureBitset::operator^= ( const FeatureBitset &  RHS )

inlineconstexpr

Definition at line 97 of file SubtargetFeature.h.

References E, I, and RHS.

operator|()

constexpr FeatureBitset llvm::FeatureBitset::operator| ( const FeatureBitset &  RHS ) const

inlineconstexpr

Definition at line 126 of file SubtargetFeature.h.

References RHS.

operator|=()

constexpr FeatureBitset & llvm::FeatureBitset::operator|= ( const FeatureBitset &  RHS )

inlineconstexpr

Definition at line 120 of file SubtargetFeature.h.

References E, I, and RHS.

operator~()

constexpr FeatureBitset llvm::FeatureBitset::operator~ ( ) const

inlineconstexpr

Definition at line 132 of file SubtargetFeature.h.

References B.

reset()

constexpr FeatureBitset & llvm::FeatureBitset::reset ( unsigned  I )

inlineconstexpr

Definition at line 67 of file SubtargetFeature.h.

References I.

Referenced by llvm::MCSubtargetInfo::ClearFeatureBitsTransitively(), llvm::Hexagon_MC::createHexagonMCSubtargetInfo(), llvm::HexagonSubtarget::initializeSubtargetDependencies(), and llvm::MCSubtargetInfo::ToggleFeature().

set() [1/2]

FeatureBitset & llvm::FeatureBitset::set ( )

inline

Definition at line 57 of file SubtargetFeature.h.

Referenced by llvm::Hexagon_MC::completeHVXFeatures(), llvm::Hexagon_MC::createHexagonMCSubtargetInfo(), FeatureBitset(), and llvm::MCSubtargetInfo::ToggleFeature().

set() [2/2]

constexpr FeatureBitset & llvm::FeatureBitset::set ( unsigned  I )

inlineconstexpr

Definition at line 62 of file SubtargetFeature.h.

References I.

size()

constexpr size_t llvm::FeatureBitset::size ( ) const

inlineconstexpr

Definition at line 84 of file SubtargetFeature.h.

References llvm::MAX_SUBTARGET_FEATURES.

Referenced by llvm::MCSubtargetInfo::ClearFeatureBitsTransitively(), and operator<().

test()

constexpr bool llvm::FeatureBitset::test ( unsigned  I ) const

inlineconstexpr

Definition at line 82 of file SubtargetFeature.h.

References I.

Referenced by llvm::AMDGPU::IsaInfo::AMDGPUTargetID::AMDGPUTargetID(), llvm::Hexagon_MC::completeHVXFeatures(), llvm::AMDGPU::IsaInfo::getAddressableLocalMemorySize(), llvm::AMDGPU::IsaInfo::getAddressableNumSGPRs(), llvm::AMDGPU::IsaInfo::getAddressableNumVGPRs(), llvm::Hexagon_MC::getArchVersion(), llvm::AMDGPU::MCKernelDescriptor::getDefaultAmdhsaKernelDescriptor(), llvm::MCSubtargetInfo::getEnabledProcessorFeatures(), llvm::AMDGPU::IsaInfo::getEUsPerCU(), llvm::Hexagon_MC::getHVXVersion(), llvm::AMDGPU::IsaInfo::getLocalMemorySize(), llvm::AMDGPU::IsaInfo::getMaxNumSGPRs(), llvm::AMDGPU::IsaInfo::getMaxWorkGroupsPerCU(), llvm::AMDGPU::IsaInfo::getMinNumSGPRs(), llvm::AMDGPU::IsaInfo::getNumExtraSGPRs(), llvm::AMDGPU::IsaInfo::getTotalNumVGPRs(), llvm::AMDGPU::IsaInfo::getVGPRAllocGranule(), llvm::AMDGPU::IsaInfo::getVGPREncodingGranule(), llvm::AMDGPU::IsaInfo::getWavefrontSize(), llvm::AMDGPU::initDefaultAMDKernelCodeT(), matchAliasCondition(), SetImpliedBits(), and llvm::MCSubtargetInfo::ToggleFeature().

---

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

• include/llvm/TargetParser/SubtargetFeature.h