AArch64TargetTransformInfo.cpp File Reference

#include "AArch64TargetTransformInfo.h"
#include "AArch64ExpandImm.h"
#include "AArch64PerfectShuffle.h"
#include "MCTargetDesc/AArch64AddressingModes.h"
#include "llvm/Analysis/IVDescriptors.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/CodeGen/CostTable.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Support/Debug.h"
#include "llvm/Transforms/InstCombine/InstCombiner.h"
#include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
#include <algorithm>
#include <optional>

Include dependency graph for AArch64TargetTransformInfo.cpp:

Go to the source code of this file.

Classes
class	TailFoldingKind

Macros
#define	DEBUG_TYPE   "aarch64tti"

Functions
static std::optional< Instruction * >	processPhiNode (InstCombiner &IC, IntrinsicInst &II)
	The function will remove redundant reinterprets casting in the presence of the control flow. More...
static std::optional< Instruction * >	tryCombineFromSVBoolBinOp (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineConvertFromSVBool (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVESel (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEDup (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEDupX (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVECmpNE (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVELast (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVECondLast (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineRDFFR (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVECntElts (InstCombiner &IC, IntrinsicInst &II, unsigned NumElts)
static std::optional< Instruction * >	instCombineSVEPTest (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEVectorFMLA (InstCombiner &IC, IntrinsicInst &II)
static bool	isAllActivePredicate (Value *Pred)
static std::optional< Instruction * >	instCombineSVELD1 (InstCombiner &IC, IntrinsicInst &II, const DataLayout &DL)
static std::optional< Instruction * >	instCombineSVEST1 (InstCombiner &IC, IntrinsicInst &II, const DataLayout &DL)
static Instruction::BinaryOps	intrinsicIDToBinOpCode (unsigned Intrinsic)
static std::optional< Instruction * >	instCombineSVEVectorBinOp (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEVectorFAdd (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEVectorMul (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEUnpack (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVETBL (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVEZip (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineLD1GatherIndex (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineST1ScatterIndex (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVESDIV (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineMaxMinNM (InstCombiner &IC, IntrinsicInst &II)
static std::optional< Instruction * >	instCombineSVESrshl (InstCombiner &IC, IntrinsicInst &II)
static unsigned	getSVEGatherScatterOverhead (unsigned Opcode)
static void	getFalkorUnrollingPreferences (Loop *L, ScalarEvolution &SE, TargetTransformInfo::UnrollingPreferences &UP)

Variables
static cl::opt< bool >	EnableFalkorHWPFUnrollFix ("enable-falkor-hwpf-unroll-fix", cl::init(true), cl::Hidden)
static cl::opt< unsigned >	SVEGatherOverhead ("sve-gather-overhead", cl::init(10), cl::Hidden)
static cl::opt< unsigned >	SVEScatterOverhead ("sve-scatter-overhead", cl::init(10), cl::Hidden)
TailFoldingKind	TailFoldingKindLoc
cl::opt< TailFoldingKind, true, cl::parser< std::string > >	SVETailFolding ("sve-tail-folding", cl::desc("Control the use of vectorisation using tail-folding for SVE:" "\ndisabled No loop types will vectorize using tail-folding" "\ndefault Uses the default tail-folding settings for the target " "CPU" "\nall All legal loop types will vectorize using tail-folding" "\nsimple Use tail-folding for simple loops (not reductions or " "recurrences)" "\nreductions Use tail-folding for loops containing reductions" "\nrecurrences Use tail-folding for loops containing fixed order " "recurrences"), cl::location(TailFoldingKindLoc))
static cl::opt< bool >	EnableFixedwidthAutovecInStreamingMode ("enable-fixedwidth-autovec-in-streaming-mode", cl::init(false), cl::Hidden)
static cl::opt< bool >	EnableScalableAutovecInStreamingMode ("enable-scalable-autovec-in-streaming-mode", cl::init(false), cl::Hidden)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "aarch64tti"

Definition at line 31 of file AArch64TargetTransformInfo.cpp.

Function Documentation

getFalkorUnrollingPreferences()

static void getFalkorUnrollingPreferences ( Loop *  L, ScalarEvolution &  SE, TargetTransformInfo::UnrollingPreferences &  UP  )

static

Definition at line 2518 of file AArch64TargetTransformInfo.cpp.

References BB, llvm::LoopBase< BlockT, LoopT >::blocks(), llvm::dbgs(), llvm::LoadInst::getPointerOperand(), llvm::ScalarEvolution::getSCEV(), I, llvm::SCEVAddRecExpr::isAffine(), llvm::Loop::isLoopInvariant(), LLVM_DEBUG, llvm::Log2_32(), and llvm::TargetTransformInfo::UnrollingPreferences::MaxCount.

Referenced by llvm::AArch64TTIImpl::getUnrollingPreferences().

getSVEGatherScatterOverhead()

static unsigned getSVEGatherScatterOverhead ( unsigned  Opcode )

static

Definition at line 2373 of file AArch64TargetTransformInfo.cpp.

References llvm::SPII::Load, SVEGatherOverhead, and SVEScatterOverhead.

Referenced by llvm::AArch64TTIImpl::getGatherScatterOpCost().

instCombineConvertFromSVBool()

static std::optional<Instruction *> instCombineConvertFromSVBool ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 625 of file AArch64TargetTransformInfo.cpp.

References llvm::CallBase::getArgOperand(), llvm::User::getOperand(), llvm::Value::getType(), llvm::SmallVectorImpl< T >::insert(), processPhiNode(), llvm::InstCombiner::replaceInstUsesWith(), and tryCombineFromSVBoolBinOp().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineLD1GatherIndex()

static std::optional<Instruction *> instCombineLD1GatherIndex ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1286 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::ConstantAggregateZero::get(), llvm::Value::getContext(), llvm::Module::getDataLayout(), llvm::Instruction::getModule(), llvm::User::getOperand(), llvm::Value::getType(), llvm::PointerType::getUnqual(), llvm::PatternMatch::m_SpecificInt(), llvm::PatternMatch::m_Value(), llvm::BitmaskEnumDetail::Mask(), llvm::PatternMatch::match(), Ptr, llvm::InstCombiner::replaceInstUsesWith(), and llvm::Value::takeName().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineMaxMinNM()

static std::optional<Instruction *> instCombineMaxMinNM ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1385 of file AArch64TargetTransformInfo.cpp.

References B, llvm::CallBase::getArgOperand(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineRDFFR()

static std::optional<Instruction *> instCombineRDFFR ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 937 of file AArch64TargetTransformInfo.cpp.

References llvm::LegalityPredicates::all(), Builder, llvm::ConstantInt::get(), llvm::Value::getContext(), llvm::Type::getInt32Ty(), llvm::Value::getType(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineST1ScatterIndex()

static std::optional<Instruction *> instCombineST1ScatterIndex ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1319 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::InstCombiner::eraseInstFromFunction(), llvm::Value::getContext(), llvm::Module::getDataLayout(), llvm::Instruction::getModule(), llvm::User::getOperand(), llvm::Value::getType(), llvm::PointerType::getUnqual(), llvm::PatternMatch::m_SpecificInt(), llvm::PatternMatch::m_Value(), llvm::BitmaskEnumDetail::Mask(), llvm::PatternMatch::match(), and Ptr.

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVECmpNE()

static std::optional<Instruction *> instCombineSVECmpNE ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 716 of file AArch64TargetTransformInfo.cpp.

References llvm::LegalityPredicates::all(), Arg, Builder, llvm::ConstantInt::get(), llvm::ScalableVectorType::get(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Type::getInt1Ty(), llvm::Type::getInt32Ty(), llvm::Constant::getNullValue(), llvm::getSplatValue(), llvm::Value::getType(), I, llvm::BitmaskEnumDetail::Mask(), llvm::InstCombiner::replaceInstUsesWith(), and llvm::AArch64::SVEBitsPerBlock.

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVECntElts()

static std::optional<Instruction *> instCombineSVECntElts ( InstCombiner &  IC, IntrinsicInst &  II, unsigned  NumElts  )

static

Definition at line 955 of file AArch64TargetTransformInfo.cpp.

References llvm::LegalityPredicates::all(), Builder, llvm::ConstantInt::get(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::getNumElementsFromSVEPredPattern(), llvm::Value::getType(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVECondLast()

static std::optional<Instruction *> instCombineSVECondLast ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 893 of file AArch64TargetTransformInfo.cpp.

References Builder, Fallback, llvm::VectorType::get(), llvm::CallBase::getArgOperand(), getBitWidth(), llvm::Value::getContext(), llvm::IntrinsicInst::getIntrinsicID(), llvm::Value::getType(), llvm::Type::isIntegerTy(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEDup()

static std::optional<Instruction *> instCombineSVEDup ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 680 of file AArch64TargetTransformInfo.cpp.

References llvm::InsertElementInst::Create(), llvm::ConstantInt::get(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Type::getInt64Ty(), llvm::IntrinsicInst::getIntrinsicID(), llvm::User::getOperand(), Insert, and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEDupX()

static std::optional<Instruction *> instCombineSVEDupX ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 704 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Value::getType(), llvm::InstCombiner::replaceInstUsesWith(), and llvm::Value::takeName().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVELast()

static std::optional<Instruction *> instCombineSVELast ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 817 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::ExtractElementInst::Create(), llvm::BinaryOperator::CreateWithCopiedFlags(), llvm::ConstantInt::get(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Type::getInt64Ty(), llvm::IntrinsicInst::getIntrinsicID(), llvm::getNumElementsFromSVEPredPattern(), llvm::getSplatValue(), llvm::Value::getType(), llvm::isSplatValue(), LHS, llvm::PatternMatch::m_BinOp(), llvm::PatternMatch::m_OneUse(), llvm::PatternMatch::m_Value(), llvm::PatternMatch::match(), llvm::InstCombiner::replaceInstUsesWith(), and RHS.

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVELD1()

static std::optional<Instruction *> instCombineSVELD1 ( InstCombiner &  IC, IntrinsicInst &  II, const DataLayout &  DL  )

static

Definition at line 1095 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::Instruction::copyMetadata(), DL, llvm::ConstantAggregateZero::get(), llvm::Value::getContext(), llvm::User::getOperand(), llvm::Value::getPointerAlignment(), llvm::Type::getPointerTo(), llvm::Value::getType(), isAllActivePredicate(), llvm::SPII::Load, and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEPTest()

static std::optional<Instruction *> instCombineSVEPTest ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 977 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::IntrinsicInst::getIntrinsicID(), llvm::Value::getType(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVESDIV()

static std::optional<Instruction *> instCombineSVESDIV ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1351 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::ConstantInt::get(), llvm::Value::getContext(), llvm::User::getOperand(), llvm::getSplatValue(), llvm::Value::getType(), llvm::ConstantInt::getValue(), Int32Ty, llvm::APInt::isNegatedPowerOf2(), llvm::APInt::isPowerOf2(), llvm::APInt::logBase2(), llvm::SISrcMods::NEG, llvm::APInt::negate(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVESel()

static std::optional<Instruction *> instCombineSVESel ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 672 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::User::getOperand(), llvm::InstCombiner::replaceInstUsesWith(), and llvm::MCID::Select.

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVESrshl()

static std::optional<Instruction *> instCombineSVESrshl ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1395 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::User::getOperand(), llvm::Value::getType(), isAllActivePredicate(), llvm::AArch64_AM::LSL, llvm::PatternMatch::m_NonNegative(), llvm::PatternMatch::m_Value(), llvm::PatternMatch::match(), llvm::InstCombiner::replaceInstUsesWith(), and Shift.

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEST1()

static std::optional<Instruction *> instCombineSVEST1 ( InstCombiner &  IC, IntrinsicInst &  II, const DataLayout &  DL  )

static

Definition at line 1118 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::Instruction::copyMetadata(), DL, llvm::InstCombiner::eraseInstFromFunction(), llvm::Value::getContext(), llvm::User::getOperand(), llvm::Value::getPointerAlignment(), llvm::Type::getPointerTo(), llvm::Value::getType(), isAllActivePredicate(), and llvm::SPII::Store.

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVETBL()

static std::optional<Instruction *> instCombineSVETBL ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1245 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::Value::getContext(), llvm::VectorType::getElementCount(), llvm::LinearPolySize< LeafTy >::getKnownMinValue(), llvm::User::getOperand(), llvm::getSplatValue(), llvm::Value::getType(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEUnpack()

static std::optional<Instruction *> instCombineSVEUnpack ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1223 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::IntrinsicInst::getIntrinsicID(), llvm::getSplatValue(), llvm::Value::getType(), llvm::InstCombiner::replaceInstUsesWith(), and llvm::Value::takeName().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEVectorBinOp()

static std::optional<Instruction *> instCombineSVEVectorBinOp ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1154 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::Value::getContext(), llvm::Instruction::getFastMathFlags(), llvm::IntrinsicInst::getIntrinsicID(), llvm::User::getOperand(), intrinsicIDToBinOpCode(), llvm::PatternMatch::match(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic(), instCombineSVEVectorFAdd(), and instCombineSVEVectorMul().

instCombineSVEVectorFAdd()

static std::optional<Instruction *> instCombineSVEVectorFAdd ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1170 of file AArch64TargetTransformInfo.cpp.

References instCombineSVEVectorBinOp(), and instCombineSVEVectorFMLA().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEVectorFMLA()

static std::optional<Instruction *> instCombineSVEVectorFMLA ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1049 of file AArch64TargetTransformInfo.cpp.

References llvm::FastMathFlags::allowContract(), B, Builder, llvm::FMul, llvm::Value::getContext(), llvm::Instruction::getFastMathFlags(), llvm::User::getOperand(), llvm::Value::getType(), llvm::PatternMatch::m_Specific(), llvm::PatternMatch::m_Value(), llvm::PatternMatch::match(), P, and llvm::InstCombiner::replaceInstUsesWith().

Referenced by instCombineSVEVectorFAdd().

instCombineSVEVectorMul()

static std::optional<Instruction *> instCombineSVEVectorMul ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1176 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::Value::getContext(), llvm::User::getOperand(), llvm::getSplatValue(), I, instCombineSVEVectorBinOp(), llvm::PatternMatch::m_FPOne(), llvm::PatternMatch::m_One(), llvm::PatternMatch::match(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

instCombineSVEZip()

static std::optional<Instruction *> instCombineSVEZip ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 1270 of file AArch64TargetTransformInfo.cpp.

References B, llvm::CallBase::getArgOperand(), llvm::IntrinsicInst::getIntrinsicID(), llvm::PatternMatch::m_Specific(), llvm::PatternMatch::m_Value(), llvm::PatternMatch::match(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by llvm::AArch64TTIImpl::instCombineIntrinsic().

intrinsicIDToBinOpCode()

static Instruction::BinaryOps intrinsicIDToBinOpCode ( unsigned  Intrinsic )

static

Definition at line 1140 of file AArch64TargetTransformInfo.cpp.

Referenced by instCombineSVEVectorBinOp().

isAllActivePredicate()

static bool isAllActivePredicate ( Value *  Pred )

static

Definition at line 1078 of file AArch64TargetTransformInfo.cpp.

References llvm::Value::getType(), llvm::PatternMatch::m_Value(), and llvm::PatternMatch::match().

Referenced by instCombineSVELD1(), instCombineSVESrshl(), and instCombineSVEST1().

processPhiNode()

static std::optional<Instruction *> processPhiNode ( InstCombiner &  IC, IntrinsicInst &  II  )

static

The function will remove redundant reinterprets casting in the presence of the control flow.

Definition at line 525 of file AArch64TargetTransformInfo.cpp.

References llvm::PHINode::addIncoming(), assert(), Builder, llvm::CallBase::getArgOperand(), llvm::Value::getType(), I, and llvm::InstCombiner::replaceInstUsesWith().

Referenced by instCombineConvertFromSVBool().

tryCombineFromSVBoolBinOp()

static std::optional<Instruction *> tryCombineFromSVBoolBinOp ( InstCombiner &  IC, IntrinsicInst &  II  )

static

Definition at line 573 of file AArch64TargetTransformInfo.cpp.

References Builder, llvm::Value::getContext(), llvm::User::getOperand(), llvm::Value::getType(), and llvm::InstCombiner::replaceInstUsesWith().

Referenced by instCombineConvertFromSVBool().

Variable Documentation

EnableFalkorHWPFUnrollFix

cl::opt<bool> EnableFalkorHWPFUnrollFix("enable-falkor-hwpf-unroll-fix", cl::init(true), cl::Hidden)

static

Referenced by llvm::AArch64TTIImpl::getUnrollingPreferences().

EnableFixedwidthAutovecInStreamingMode

cl::opt<bool> EnableFixedwidthAutovecInStreamingMode("enable-fixedwidth-autovec-in-streaming-mode", cl::init(false), cl::Hidden)

static

Referenced by llvm::AArch64TTIImpl::getRegisterBitWidth().

EnableScalableAutovecInStreamingMode

cl::opt<bool> EnableScalableAutovecInStreamingMode("enable-scalable-autovec-in-streaming-mode", cl::init(false), cl::Hidden)

static

Referenced by llvm::AArch64TTIImpl::getRegisterBitWidth().

SVEGatherOverhead

cl::opt<unsigned> SVEGatherOverhead("sve-gather-overhead", cl::init(10), cl::Hidden)

static

Referenced by getSVEGatherScatterOverhead().

SVEScatterOverhead

cl::opt<unsigned> SVEScatterOverhead("sve-scatter-overhead", cl::init(10), cl::Hidden)

static

Referenced by getSVEGatherScatterOverhead().

SVETailFolding

cl::opt<TailFoldingKind, true, cl::parser<std::string> > SVETailFolding("sve-tail-folding", cl::desc( "Control the use of vectorisation using tail-folding for SVE:" "\ndisabled No loop types will vectorize using tail-folding" "\ndefault Uses the default tail-folding settings for the target " "CPU" "\nall All legal loop types will vectorize using tail-folding" "\nsimple Use tail-folding for simple loops (not reductions or " "recurrences)" "\nreductions Use tail-folding for loops containing reductions" "\nrecurrences Use tail-folding for loops containing fixed order " "recurrences"), cl::location(TailFoldingKindLoc))

TailFoldingKindLoc

TailFoldingKind TailFoldingKindLoc

Definition at line 93 of file AArch64TargetTransformInfo.cpp.

Referenced by llvm::AArch64TTIImpl::preferPredicateOverEpilogue().