llvm::NVPTX Namespace Reference

Namespaces
namespace	PTXCmpMode
	PTXCmpMode - Comparison mode enumeration.
namespace	PTXCvtMode
	PTXCvtMode - Conversion code enumeration.
namespace	PTXLdStInstCode
namespace	PTXPrmtMode

Typedefs
using	OrderingUnderlyingType = unsigned int
using	ScopeUnderlyingType = unsigned int
using	AddressSpaceUnderlyingType = unsigned int
using	L1EvictionBits
using	L2EvictionBits = Bitfield::Element<L2Eviction, 3, 2, L2Eviction::Last>
using	L2PrefetchBits
using	L2CacheHintBit = Bitfield::Element<bool, 7, 1>

Enumerations
enum	GPUKind : uint8_t { GK_NONE = 0 , GK_LAST = GK_SM_121f }
	GPU kinds supported by the NVPTX target. More...
enum class	ArchSuffix { NONE , ACCELERATED , FAMILY }
	Suffix class of an NVPTX architecture name. More...
enum class	VirtualRegisterKind : unsigned {   Physical = 0 , B1 = 1 , B16 = 2 , B32 = 3 ,   B64 = 4 , B128 = 5 }
enum	DrvInterface { NVCL , CUDA }
enum	VecInstType {   VecInstTypeShift = 0 , VecInstTypeMask = 0xF , VecNOP = 0 , VecLoad = 1 ,   VecStore = 2 , VecBuild = 3 , VecShuffle = 4 , VecExtract = 5 ,   VecInsert = 6 , VecDest = 7 , VecOther = 15 }
enum	SimpleMove { SimpleMoveMask = 0x10 , SimpleMoveShift = 4 }
enum	LoadStore { isLoadMask = 0x20 , isLoadShift = 5 , isStoreMask = 0x40 , isStoreShift = 6 }
enum	Ordering : OrderingUnderlyingType {   NotAtomic , Relaxed = (OrderingUnderlyingType)AtomicOrdering::Monotonic , Acquire = (OrderingUnderlyingType)AtomicOrdering::Acquire , Release = (OrderingUnderlyingType)AtomicOrdering::Release ,   AcquireRelease = (OrderingUnderlyingType)AtomicOrdering::AcquireRelease , SequentiallyConsistent , Volatile = SequentiallyConsistent + 1 , RelaxedMMIO = Volatile + 1 }
enum	Scope : ScopeUnderlyingType {   Thread = 0 , Block = 1 , Cluster = 2 , Device = 3 ,   System = 4 , DefaultDevice = 5 , LASTSCOPE = DefaultDevice }
enum	AddressSpace : AddressSpaceUnderlyingType {   Generic = NVPTXAS::ADDRESS_SPACE_GENERIC , Global = NVPTXAS::ADDRESS_SPACE_GLOBAL , Shared = NVPTXAS::ADDRESS_SPACE_SHARED , Const = NVPTXAS::ADDRESS_SPACE_CONST ,   Local = NVPTXAS::ADDRESS_SPACE_LOCAL , SharedCluster = NVPTXAS::ADDRESS_SPACE_SHARED_CLUSTER , EntryParam = NVPTXAS::ADDRESS_SPACE_ENTRY_PARAM , DeviceParam }
enum class	L1Eviction : uint8_t {   Normal = 0 , Unchanged = 1 , First = 2 , Last = 3 ,   NoAllocate = 4 }
enum class	L2Eviction : uint8_t { Normal = 0 , First = 1 , Last = 2 }
enum class	L2Prefetch : uint8_t { None = 0 , Bytes64 = 1 , Bytes128 = 2 , Bytes256 = 3 }
enum class	DivPrecisionLevel : unsigned { Approx = 0 , Full = 1 , IEEE754 = 2 , IEEE754_NoFTZ = 3 }

Functions
LLVM_ABI GPUKind	parseArch (StringRef CPU)
	Parse CPU (e.g. "sm_90") into a GPUKind, or GK_NONE if unrecognized.
LLVM_ABI StringRef	getArchName (GPUKind Kind)
	Return the canonical processor name (e.g.
LLVM_ABI StringRef	getVirtualArch (GPUKind Kind)
	Return the virtual (compute_) arch name (e.g.
LLVM_ABI unsigned	getSmVersion (GPUKind Kind)
	Return the numeric compute-capability id (e.g.
LLVM_ABI ArchSuffix	getArchSuffix (GPUKind Kind)
	Return the suffix class of Kind.
bool	isAcceleratedArch (GPUKind Kind)
	Whether Kind is an accelerated variant (e.g. sm_90a).
bool	isFamilySpecificArch (GPUKind Kind)
	Whether Kind is a family-specific variant (e.g. sm_90f) or accelerated.
bool	supportsUnifiedAddressing (GPUKind Kind)
	Whether Kind supports unified addressing.
StringRef	getVirtualRegisterPrefix (VirtualRegisterKind Kind)
	The name prefix shared by all virtual registers of Kind.
unsigned	encodeEvictionAndPrefetchHint (L1Eviction L1, L2Eviction L2, L2Prefetch P)
L1Eviction	decodeL1Eviction (unsigned Hint)
L2Eviction	decodeL2Eviction (unsigned Hint)
L2Prefetch	decodeL2Prefetch (unsigned Hint)
bool	isL2CacheHintMode (unsigned Hint)
auto	packed_types ()
bool	isPackedVectorTy (EVT VT)
bool	isPackedElementTy (EVT ET)
std::string	getValidPTXIdentifier (StringRef Name)
std::string	OrderingToString (Ordering Order)
raw_ostream &	operator<< (raw_ostream &O, Ordering Order)
std::string	ScopeToString (Scope S)
raw_ostream &	operator<< (raw_ostream &O, Scope S)
const char *	addressSpaceToString (AddressSpace A, bool UseParamSubqualifiers=false)
raw_ostream &	operator<< (raw_ostream &O, AddressSpace A)

Variables
constexpr unsigned	VirtualRegisterKindShift = 27
constexpr unsigned	VirtualRegisterNumMask

Typedef Documentation

AddressSpaceUnderlyingType

using llvm::NVPTX::AddressSpaceUnderlyingType = unsigned int

Definition at line 296 of file NVPTX.h.

L1EvictionBits

using llvm::NVPTX::L1EvictionBits

Initial value:

 
    Bitfield::Element<L1Eviction, 0, 3, L1Eviction::NoAllocate>

Definition at line 348 of file NVPTX.h.

L2CacheHintBit

using llvm::NVPTX::L2CacheHintBit = Bitfield::Element<bool, 7, 1>

Definition at line 353 of file NVPTX.h.

L2EvictionBits

using llvm::NVPTX::L2EvictionBits = Bitfield::Element<L2Eviction, 3, 2, L2Eviction::Last>

Definition at line 350 of file NVPTX.h.

L2PrefetchBits

using llvm::NVPTX::L2PrefetchBits

Initial value:

 
    Bitfield::Element<L2Prefetch, 5, 2, L2Prefetch::Bytes256>

Definition at line 351 of file NVPTX.h.

OrderingUnderlyingType

using llvm::NVPTX::OrderingUnderlyingType = unsigned int

Definition at line 269 of file NVPTX.h.

ScopeUnderlyingType

using llvm::NVPTX::ScopeUnderlyingType = unsigned int

Definition at line 285 of file NVPTX.h.

Enumeration Type Documentation

AddressSpace

enum llvm::NVPTX::AddressSpace : AddressSpaceUnderlyingType

Enumerator
Generic
Global
Shared
Const
Local
SharedCluster
EntryParam
DeviceParam

Definition at line 297 of file NVPTX.h.

ArchSuffix

enum class llvm::NVPTX::ArchSuffix

strong

Suffix class of an NVPTX architecture name.

Enumerator spellings match the SUFFIX column tokens in NVPTXTargetParser.def.

Enumerator
NONE
ACCELERATED
FAMILY

Definition at line 33 of file NVPTXTargetParser.h.

DivPrecisionLevel

enum class llvm::NVPTX::DivPrecisionLevel : unsigned

strong

Enumerator
Approx
Full
IEEE754
IEEE754_NoFTZ

Definition at line 440 of file NVPTX.h.

DrvInterface

enum llvm::NVPTX::DrvInterface

Enumerator
NVCL
CUDA

Definition at line 232 of file NVPTX.h.

GPUKind

enum llvm::NVPTX::GPUKind : uint8_t

GPU kinds supported by the NVPTX target.

Enumerator
GK_NONE
GK_LAST

Definition at line 20 of file NVPTXTargetParser.h.

L1Eviction

enum class llvm::NVPTX::L1Eviction : uint8_t

strong

Enumerator
Normal
Unchanged
First
Last
NoAllocate

Definition at line 317 of file NVPTX.h.

L2Eviction

enum class llvm::NVPTX::L2Eviction : uint8_t

strong

Enumerator
Normal
First
Last

Definition at line 326 of file NVPTX.h.

L2Prefetch

enum class llvm::NVPTX::L2Prefetch : uint8_t

strong

Enumerator
None
Bytes64
Bytes128
Bytes256

Definition at line 333 of file NVPTX.h.

LoadStore

enum llvm::NVPTX::LoadStore

Enumerator
isLoadMask
isLoadShift
isStoreMask
isStoreShift

Definition at line 261 of file NVPTX.h.

Ordering

enum llvm::NVPTX::Ordering : OrderingUnderlyingType

Enumerator
NotAtomic
Relaxed
Acquire
Release
AcquireRelease
SequentiallyConsistent
Volatile
RelaxedMMIO

Definition at line 270 of file NVPTX.h.

Scope

enum llvm::NVPTX::Scope : ScopeUnderlyingType

Enumerator
Thread
Block
Cluster
Device
System
DefaultDevice
LASTSCOPE

Definition at line 286 of file NVPTX.h.

SimpleMove

enum llvm::NVPTX::SimpleMove

Enumerator
SimpleMoveMask
SimpleMoveShift

Definition at line 257 of file NVPTX.h.

VecInstType

enum llvm::NVPTX::VecInstType

Enumerator
VecInstTypeShift
VecInstTypeMask
VecNOP
VecLoad
VecStore
VecBuild
VecShuffle
VecExtract
VecInsert
VecDest
VecOther

Definition at line 242 of file NVPTX.h.

VirtualRegisterKind

enum class llvm::NVPTX::VirtualRegisterKind : unsigned

strong

Enumerator
Physical
B1
B16
B32
B64
B128

Definition at line 32 of file NVPTXBaseInfo.h.

Function Documentation

addressSpaceToString()

const char * llvm::NVPTX::addressSpaceToString ( AddressSpace A, bool UseParamSubqualifiers = false )

inline

Definition at line 163 of file NVPTXUtilities.h.

References A(), Const, DeviceParam, EntryParam, llvm::formatv(), Generic, Global, Local, llvm::report_fatal_error(), Shared, and SharedCluster.

Referenced by operator<<().

decodeL1Eviction()

L1Eviction llvm::NVPTX::decodeL1Eviction ( unsigned Hint )

inline

Definition at line 364 of file NVPTX.h.

References llvm::Bitfield::get().

Referenced by llvm::NVPTXInstPrinter::printEvictionAndPrefetchHint().

decodeL2Eviction()

L2Eviction llvm::NVPTX::decodeL2Eviction ( unsigned Hint )

inline

Definition at line 368 of file NVPTX.h.

References llvm::Bitfield::get().

Referenced by llvm::NVPTXInstPrinter::printEvictionAndPrefetchHint().

decodeL2Prefetch()

L2Prefetch llvm::NVPTX::decodeL2Prefetch ( unsigned Hint )

inline

Definition at line 372 of file NVPTX.h.

References llvm::Bitfield::get().

Referenced by llvm::NVPTXInstPrinter::printEvictionAndPrefetchHint().

encodeEvictionAndPrefetchHint()

unsigned llvm::NVPTX::encodeEvictionAndPrefetchHint ( L1Eviction L1, L2Eviction L2, L2Prefetch P )

inline

Definition at line 355 of file NVPTX.h.

References P, and llvm::Bitfield::set().

getArchName()

StringRef llvm::NVPTX::getArchName

(

GPUKind

Kind

)

Return the canonical processor name (e.g.

"sm_90") for Kind, or "" if Kind is GK_NONE.

Definition at line 27 of file NVPTXTargetParser.cpp.

References GK_NONE, and llvm_unreachable.

Referenced by llvm::NVPTXSubtarget::getTargetName().

getArchSuffix()

ArchSuffix llvm::NVPTX::getArchSuffix

(

GPUKind

Kind

)

Return the suffix class of Kind.

Definition at line 63 of file NVPTXTargetParser.cpp.

References GK_NONE, llvm_unreachable, and NONE.

Referenced by isAcceleratedArch(), and isFamilySpecificArch().

getSmVersion()

unsigned llvm::NVPTX::getSmVersion

(

GPUKind

Kind

)

Return the numeric compute-capability id (e.g.

sm_90 -> 900) for Kind, or 0 if Kind is GK_NONE.

Definition at line 51 of file NVPTXTargetParser.cpp.

References GK_NONE, and llvm_unreachable.

Referenced by llvm::NVPTXSubtarget::getSmVersion(), and supportsUnifiedAddressing().

getValidPTXIdentifier()

std::string llvm::NVPTX::getValidPTXIdentifier ( StringRef Name )

inline

Definition at line 97 of file NVPTXUtilities.h.

References C(), and llvm::isAlnum().

Referenced by assignValidName(), and llvm::NVPTXTargetStreamer::emitValue().

getVirtualArch()

StringRef llvm::NVPTX::getVirtualArch

(

GPUKind

Kind

)

Return the virtual (compute_) arch name (e.g.

"compute_90") for Kind, or "" if Kind is GK_NONE.

Definition at line 39 of file NVPTXTargetParser.cpp.

References GK_NONE, and llvm_unreachable.

getVirtualRegisterPrefix()

StringRef llvm::NVPTX::getVirtualRegisterPrefix ( VirtualRegisterKind Kind )

inline

The name prefix shared by all virtual registers of Kind.

Definition at line 53 of file NVPTXBaseInfo.h.

References B1, B128, B16, B32, B64, llvm_unreachable, and Physical.

Referenced by llvm::NVPTXInstPrinter::printRegName().

isAcceleratedArch()

bool llvm::NVPTX::isAcceleratedArch ( GPUKind Kind )

inline

Whether Kind is an accelerated variant (e.g. sm_90a).

Definition at line 54 of file NVPTXTargetParser.h.

References ACCELERATED, and getArchSuffix().

isFamilySpecificArch()

bool llvm::NVPTX::isFamilySpecificArch ( GPUKind Kind )

inline

Whether Kind is a family-specific variant (e.g. sm_90f) or accelerated.

Definition at line 59 of file NVPTXTargetParser.h.

References ACCELERATED, FAMILY, and getArchSuffix().

isL2CacheHintMode()

bool llvm::NVPTX::isL2CacheHintMode ( unsigned Hint )

inline

Definition at line 376 of file NVPTX.h.

References llvm::Bitfield::get().

Referenced by llvm::NVPTXInstPrinter::printEvictionAndPrefetchHint().

isPackedElementTy()

bool llvm::NVPTX::isPackedElementTy ( EVT ET )

inline

Definition at line 92 of file NVPTXUtilities.h.

References llvm::any_of(), llvm::EVT::getVectorElementType(), and packed_types().

isPackedVectorTy()

bool llvm::NVPTX::isPackedVectorTy ( EVT VT )

inline

Definition at line 87 of file NVPTXUtilities.h.

References llvm::any_of(), llvm::equal_to(), and packed_types().

Referenced by combinePackingMovIntoStore(), combineUnpackingMovIntoLoad(), PerformBUILD_VECTORCombine(), and PerformEXTRACTCombine().

operator<<() [1/3]

raw_ostream & llvm::NVPTX::operator<< ( raw_ostream & O, AddressSpace A )

inline

Definition at line 187 of file NVPTXUtilities.h.

References A(), and addressSpaceToString().

operator<<() [2/3]

raw_ostream & llvm::NVPTX::operator<< ( raw_ostream & O, Ordering Order )

inline

Definition at line 134 of file NVPTXUtilities.h.

References OrderingToString().

operator<<() [3/3]

raw_ostream & llvm::NVPTX::operator<< ( raw_ostream & O, Scope S )

inline

Definition at line 158 of file NVPTXUtilities.h.

References ScopeToString().

OrderingToString()

std::string llvm::NVPTX::OrderingToString ( Ordering Order )

inline

Definition at line 111 of file NVPTXUtilities.h.

References Acquire, AcquireRelease, llvm::formatv(), NotAtomic, Relaxed, RelaxedMMIO, Release, llvm::report_fatal_error(), SequentiallyConsistent, and Volatile.

Referenced by operator<<().

packed_types()

auto llvm::NVPTX::packed_types ( )

inline

Definition at line 80 of file NVPTXUtilities.h.

Referenced by isPackedElementTy(), and isPackedVectorTy().

parseArch()

GPUKind llvm::NVPTX::parseArch

(

StringRef

CPU

)

Parse CPU (e.g. "sm_90") into a GPUKind, or GK_NONE if unrecognized.

Definition at line 19 of file NVPTXTargetParser.cpp.

References llvm::StringSwitch< T, R >::Default(), and GK_NONE.

Referenced by llvm::NVPTXSubtarget::initializeSubtargetDependencies().

ScopeToString()

std::string llvm::NVPTX::ScopeToString ( Scope S )

inline

Definition at line 139 of file NVPTXUtilities.h.

References Block, Cluster, DefaultDevice, Device, llvm::formatv(), llvm::report_fatal_error(), System, and Thread.

Referenced by operator<<().

supportsUnifiedAddressing()

bool llvm::NVPTX::supportsUnifiedAddressing ( GPUKind Kind )

inline

Whether Kind supports unified addressing.

Unified addressing was introduced with the Pascal generation (sm_60).

Definition at line 66 of file NVPTXTargetParser.h.

References getSmVersion().

Variable Documentation

VirtualRegisterKindShift

unsigned llvm::NVPTX::VirtualRegisterKindShift = 27

constexpr

Definition at line 41 of file NVPTXBaseInfo.h.

Referenced by llvm::NVPTXInstPrinter::printRegName().

VirtualRegisterNumMask

unsigned llvm::NVPTX::VirtualRegisterNumMask

constexpr

Initial value:

=
    (1u << VirtualRegisterKindShift) - 1

Definition at line 42 of file NVPTXBaseInfo.h.

Referenced by llvm::NVPTXInstPrinter::printRegName().