Movatterモバイル変換

Definition at line44 of fileConstant.h.

Definition at line172 of fileConstant.h.

Return true if this is a fixed width vector constant that includes any constant expressions.

Definition at line360 of fileConstants.cpp.

ReferencesgetAggregateElement(), andllvm::Value::getType().

Return true if this is a vector constant that includes any poison elements.

Definition at line349 of fileConstants.cpp.

Referencesllvm::CallingConv::C, andcontainsUndefinedElement().

Return true if this is a vector constant that includes any strictly undef (not poison) elements.

Definition at line354 of fileConstants.cpp.

Referencesllvm::CallingConv::C, andcontainsUndefinedElement().

Return true if this is a vector constant that includes any undef or poison elements.

Since it is impossible to inspect a scalable vector element- wise at compile time, this function returns true only if the entire vector is undef or poison.

Definition at line344 of fileConstants.cpp.

Referencesllvm::CallingConv::C, andcontainsUndefinedElement().

Called if some element of this constant is no longer valid.

At this point only other constants may be on the use_list for this constant.Any constants on ourUse list must also be destroy'd. The implementation must be sure to remove the constant from the list of available cached constants. Implementations should implement destroyConstantImpl to remove constants from any pools/maps they are contained it.

First call destroyConstantImpl on the subclass. This gives the subclass a chance to remove the constant from any maps/pools it's contained in.

Definition at line489 of fileConstants.cpp.

Referencesassert(),llvm::dbgs(),llvm::deleteConstant(),llvm::Value::getValueID(),llvm_unreachable,llvm::Value::use_empty(), andllvm::Value::user_back().

Referenced byhandleOperandChange(),llvm::MergeBasicBlockIntoOnlyPred(), andprocessBlockAddr().

Definition at line478 of fileConstants.cpp.

Referencesassert(),getAggregateElement(), andllvm::Value::getType().

For aggregates (struct/array/vector) return the constant that corresponds to the specified element if possible, or null if not.

This can return null if the element index is aConstantExpr, if 'this' is a constant expr or if the constant does not fit into an uint64_t.

Definition at line435 of fileConstants.cpp.

Referencesassert(),CC,llvm::Value::getContext(), andllvm::Value::getType().

Referenced byareInverseVectorBitmasks(),CheckAndCreateOffsetAdd(),checkOffsetSize(),llvm::InstCombinerImpl::commonIDivRemTransforms(),computeKnownBits(),llvm::SelectionDAG::computeKnownBits(),computeKnownFPClass(),llvm::SelectionDAG::ComputeNumSignBits(),llvm::ConstantFoldExtractElementInstruction(),llvm::ConstantFoldExtractValueInstruction(),llvm::ConstantFoldInsertValueInstruction(),containsConstantExpression(),emitGlobalConstantVector(),llvm::FlushFPConstant(),foldConstantInsEltIntoShuffle(),getAggregateElement(),getSplatableConstant(),getTargetConstantBitsFromNode(),getUniqueInteger(),hasExactInverseFP(),isFiniteNonZeroFP(),isKnownIntegral(),isNaN(),isNormalFP(),isNotMinSignedValue(),isNotOneValue(),matchStridedConstant(),llvm::InstCombinerImpl::SimplifyDemandedVectorElts(),simplifySelectInst(), andWriteConstantInternal().

Returns

the value for an integer or vector of integer constant of the given type that has all its bits set to true. Get the all ones value

Definition at line420 of fileConstants.cpp.

Referencesllvm::APInt::getAllOnes(),llvm::APFloat::getAllOnesValue(),getAllOnesValue(),llvm::Type::getContext(),llvm::VectorType::getElementCount(),llvm::VectorType::getElementType(),llvm::Type::getFltSemantics(),llvm::ConstantVector::getSplat(), andllvm::Type::isFloatingPointTy().

Referenced bycanonicalizeLowbitMask(),llvm::ConstantFoldBinaryInstruction(),llvm::ConstantFoldCompareInstruction(),llvm::ConstantFoldLoadFromUniformValue(),llvm::IRBuilderBase::CreateIsNotNeg(),llvm::IRBuilderBase::CreateLogicalOr(),llvm::BinaryOperator::CreateNot(),llvm::IRBuilderBase::CreateNot(),llvm::OpenMPIRBuilder::createOMPInteropDestroy(),llvm::OpenMPIRBuilder::createOMPInteropInit(),llvm::OpenMPIRBuilder::createOMPInteropUse(),llvm::OpenMPIRBuilder::createTargetInit(),dropRedundantMaskingOfLeftShiftInput(),llvm::InstCombinerImpl::foldBinOpOfSelectAndCastOfSelectCondition(),FoldBitCast(),llvm::InstCombinerImpl::foldCmpLoadFromIndexedGlobal(),foldICmpAndXX(),llvm::InstCombinerImpl::foldICmpBinOp(),llvm::InstCombinerImpl::foldICmpBitCast(),llvm::InstCombinerImpl::foldICmpCommutative(),llvm::InstCombinerImpl::foldICmpEqIntrinsicWithConstant(),llvm::InstCombinerImpl::foldICmpIntrinsicWithConstant(),foldICmpOrXX(),llvm::InstCombinerImpl::foldICmpShrConstant(),llvm::InstCombinerImpl::foldICmpSRemConstant(),llvm::InstCombinerImpl::foldICmpTruncConstant(),llvm::InstCombinerImpl::foldICmpWithZextOrSext(),llvm::InstCombinerImpl::foldICmpXorConstant(),llvm::InstCombinerImpl::foldIRemByPowerOfTwoToBitTest(),llvm::X86InstrInfo::foldMemoryOperandImpl(),llvm::InstCombinerImpl::foldPowiReassoc(),llvm::IRBuilderBase::getAllOnesMask(),getAllOnesValue(),getAlternateBinop(),llvm::ConstantExpr::getBinOpAbsorber(),llvm::ConstantExpr::getBinOpIdentity(),llvm::ConstantExpr::getIntrinsicIdentity(),getMaskedTypeForICmpPair(),llvm::ConstantExpr::getNot(),getSign32(),handleOtherCmpSelSimplifications(),LLVMConstAllOnes(),llvm::RISCVTargetLowering::lowerDeinterleaveIntrinsicToLoad(),llvm::RISCVTargetLowering::lowerInterleaveIntrinsicToStore(),LowerNegateToMultiply(),llvm::lowerObjectSizeCall(),matchUAddWithOverflowConstantEdgeCases(),OptimizeAndOrXor(),replaceWithTLIFunction(),simplifyAddInst(),simplifyAShrInst(),llvm::simplifyBinaryIntrinsic(),llvm::InstCombinerImpl::SimplifyDemandedUseBits(),simplifyICmpInst(),simplifyOrInst(),simplifySDivInst(),simplifyTernarylogic(),simplifyXorInst(),llvm::UnrollRuntimeLoopRemainder(),upgradeMaskedCompare(),upgradeX86IntrinsicCall(),upgradeX86vpcom(),llvm::InstCombinerImpl::visitAdd(),llvm::InstCombinerImpl::visitAnd(),llvm::InstCombinerImpl::visitCallInst(),llvm::InstCombinerImpl::visitFreeze(),llvm::InstCombinerImpl::visitICmpInst(),llvm::InstCombinerImpl::visitLShr(),visitMaskedMerge(),llvm::InstCombinerImpl::visitOr(),llvm::InstCombinerImpl::visitSDiv(),llvm::InstCombinerImpl::visitShl(),llvm::InstCombinerImpl::visitSub(),llvm::InstCombinerImpl::visitUDiv(),llvm::InstCombinerImpl::visitURem(), andllvm::InstCombinerImpl::visitXor().

Return the value for an integer or pointer constant, or a vector thereof, with the given scalar value.

Definition at line403 of fileConstants.cpp.

Referencesllvm::CallingConv::C,llvm::Type::getContext(),llvm::ConstantExpr::getIntToPtr(),llvm::Type::getScalarType(), andllvm::ConstantVector::getSplat().

Referenced byconstantFoldUser(),createIRLevelProfileFlagVar(),createMemprofHistogramFlagVar(),llvm::createProfileSamplingVar(),llvm::AtomicInfo::EmitAtomicCompareExchangeLibcall(),llvm::InstCombinerImpl::foldBinOpOfSelectAndCastOfSelectCondition(),foldCtpopPow2Test(),llvm::InstCombinerImpl::foldICmpAndConstant(),llvm::InstCombinerImpl::foldICmpBinOp(),llvm::InstCombinerImpl::foldICmpUsingKnownBits(),llvm::dxil::ResourceBindingInfo::getAsMetadata(),getConstantVector(),llvm::ConstantExpr::getIntrinsicIdentity(),llvm::MinMaxIntrinsic::getSaturationPoint(),llvm::InstCombinerImpl::SimplifyDemandedUseBits(),llvm::InstCombinerImpl::SimplifyMultipleUseDemandedBits(),simplifyX86pack(), andllvm::InstCombinerImpl::visitCallInst().

Constructor to create a '0' constant of arbitrary type.

Definition at line373 of fileConstants.cpp.

Referencesllvm::Type::ArrayTyID,llvm::Type::BFloatTyID,llvm::Type::DoubleTyID,llvm::Type::FixedVectorTyID,llvm::Type::FloatTyID,llvm::Type::FP128TyID,llvm::ConstantTokenNone::get(),llvm::ConstantPointerNull::get(),llvm::ConstantTargetNone::get(),llvm::ConstantAggregateZero::get(),llvm::Type::getContext(),llvm::Type::getFltSemantics(),llvm::Type::getTypeID(),llvm::APFloat::getZero(),llvm::Type::HalfTyID,llvm::Type::IntegerTyID,llvm_unreachable,llvm::Type::PointerTyID,llvm::Type::PPC_FP128TyID,llvm::Type::ScalableVectorTyID,llvm::Type::StructTyID,llvm::Type::TargetExtTyID,llvm::Type::TokenTyID, andllvm::Type::X86_FP80TyID.

Referenced byaddAssumeNonNull(),appendToGlobalArray(),applyX86MaskOn1BitsVec(),BreakUpSubtract(),calculateVectorIndex(),canonicalizeAbs(),collectElements(),combineTargetShuffle(),llvm::ConstantFoldBinaryInstruction(),llvm::ConstantFoldCastInstruction(),llvm::ConstantFoldCompareInstOperands(),llvm::ConstantFoldCompareInstruction(),llvm::ConstantFoldLoadFromUniformValue(),convertImplicitDefToConstZero(),llvm::ShuffleVectorInst::convertShuffleMaskForBitcode(),llvm::SanitizerStatReport::create(),llvm::AArch64TargetLowering::createComplexDeinterleavingIR(),llvm::FixedPointBuilder< IRBuilderTy >::CreateFloatingToFixed(),llvm::IRBuilderBase::CreateIsNeg(),llvm::IRBuilderBase::CreateIsNotNull(),llvm::IRBuilderBase::CreateIsNull(),llvm::IRBuilderBase::CreateLogicalAnd(),createMaskInstrs(),llvm::IRBuilderBase::CreateNeg(),llvm::OpenMPIRBuilder::createOffloadEntriesAndInfoMetadata(),llvm::FixedPointBuilder< IRBuilderTy >::CreateSub(),llvm::OpenMPIRBuilder::createTargetData(),despeculateCountZeros(),eliminateSwiftErrorArgument(),llvm::emitGEPOffset(),llvm::OpenMPIRBuilder::emitMapperCall(),llvm::OpenMPIRBuilder::emitOffloadingArrays(),llvm::OpenMPIRBuilder::emitTaskyieldImpl(),llvm::OpenMPIRBuilder::emitUserDefinedMapper(),expandSignIntrinsic(),expandUDivOrURem(),llvm::SanitizerStatReport::finish(),llvm::InstCombinerImpl::foldBinOpOfSelectAndCastOfSelectCondition(),foldCtpop(),foldCtpopPow2Test(),foldCttzCtlz(),foldDependentIVs(),foldFPtoI(),llvm::InstCombinerImpl::foldGEPICmp(),llvm::InstCombinerImpl::foldICmpAndConstant(),llvm::InstCombinerImpl::foldICmpAndConstConst(),foldICmpAndXX(),llvm::InstCombinerImpl::foldICmpBinOp(),llvm::InstCombinerImpl::foldICmpBinOpEqualityWithConstant(),llvm::InstCombinerImpl::foldICmpBitCast(),llvm::InstCombinerImpl::foldICmpCommutative(),llvm::InstCombinerImpl::foldICmpEqIntrinsicWithConstant(),llvm::InstCombinerImpl::foldICmpEquality(),llvm::InstCombinerImpl::foldICmpInstWithConstantNotInt(),llvm::InstCombinerImpl::foldICmpIntrinsicWithConstant(),llvm::InstCombinerImpl::foldICmpMulConstant(),llvm::InstCombinerImpl::foldICmpOrConstant(),foldICmpOrXX(),llvm::InstCombinerImpl::foldICmpShlConstant(),llvm::InstCombinerImpl::foldICmpShlConstConst(),llvm::InstCombinerImpl::foldICmpShrConstant(),llvm::InstCombinerImpl::foldICmpShrConstConst(),llvm::InstCombinerImpl::foldICmpSRemConstant(),llvm::InstCombinerImpl::foldICmpTruncConstant(),llvm::InstCombinerImpl::foldICmpUsingBoolRange(),llvm::InstCombinerImpl::foldICmpUsingKnownBits(),foldICmpWithHighBitMask(),llvm::InstCombinerImpl::foldICmpWithZextOrSext(),foldICmpXNegX(),llvm::InstCombinerImpl::foldICmpXorConstant(),foldLogOpOfMaskedICmps(),foldMemChr(),llvm::X86InstrInfo::foldMemoryOperandImpl(),foldSetClearBits(),foldShiftedShift(),foldShiftIntoShiftInAnotherHandOfAndInICmp(),llvm::InstCombinerImpl::foldSignBitTest(),foldSwitchToSelect(),foldURemOfLoopIncrement(),llvm::slpvectorizer::BoUpSLP::ShuffleCostEstimator::gather(),llvm::ConstantExpr::getAlignOf(),llvm::SCCPInstVisitor::getArgAttributeVL(),getBaseType(),llvm::ConstantExpr::getBinOpAbsorber(),llvm::ConstantExpr::getBinOpIdentity(),llvm::ExecutionEngine::getConstantValue(),llvm::ConstantExpr::getExactLogBase2(),getFPClassConstant(),llvm::getInitialValueOfAllocation(),llvm::ConstantExpr::getIntrinsicIdentity(),llvm::OpenMPIRBuilder::getKernelArgsVector(),getNegativeIsTrueBoolVec(),llvm::OpenMPIRBuilder::getOrCreateIdent(),llvm::OpenMPIRBuilder::getOrCreateInternalVariable(),llvm::ConstantAggregateZero::getSequentialElement(),getSign32(),llvm::OpenMPIRBuilder::getSizeInBytes(),llvm::ConstantExpr::getSizeOf(),getSplatValue(),getStrlenWithNull(),llvm::ConstantAggregateZero::getStructElement(),GetTLSADDR(),llvm::AA::getWithType(),hostParallelCallback(),llvm::GCNTTIImpl::instCombineIntrinsic(),instCombineSVECmpNE(),llvm::isBytewiseValue(),LLVMBuildCatchSwitch(),LLVMBuildCleanupPad(),LLVMConstNull(),llvm::NVPTXTargetLowering::LowerFormalArguments(),llvm::IntrinsicLowering::LowerIntrinsicCall(),LowerNegateToMultiply(),llvm::lowerObjectSizeCall(),LowerToTLSExecModel(),memChrToCharCompare(),OptimizeAndOrXor(),OptimizeEmptyGlobalAtExitDtors(),optimizeIntegerToVectorInsertions(),optimizeMemCmpConstantSize(),optimizeMemCmpVarSize(),optimizeVectorResizeWithIntegerBitCasts(),processUse(),llvm::orc::ReOptimizeLayer::reoptimizeIfCallFrequent(),rewriteGEPAsOffset(),runImpl(),runPass(),simplifyAddInst(),simplifyAllocaArraySize(),simplifyAndCommutative(),simplifyAndInst(),llvm::InstCombinerImpl::SimplifyAnyMemSet(),llvm::InstCombinerImpl::SimplifyAnyMemTransfer(),llvm::simplifyBinaryIntrinsic(),simplifyByDomEq(),llvm::InstCombinerImpl::SimplifyDemandedUseBits(),llvm::X86TTIImpl::simplifyDemandedUseBitsIntrinsic(),simplifyDivRem(),simplifyFSubInst(),simplifyICmpInst(),simplifyICmpWithBinOp(),simplifyIntrinsic(),simplifyIRemMulShl(),simplifyMulInst(),simplifyNeonTbl1(),simplifyRem(),simplifyRightShift(),simplifyShift(),simplifyShlInst(),simplifySubInst(),simplifyTernarylogic(),simplifyWithOpsReplaced(),simplifyX86MaskedLoad(),simplifyX86movmsk(),simplifyX86pshufb(),simplifyXorInst(),targetParallelCallback(),llvm::UpgradeGlobalVariable(),llvm::UpgradeIntrinsicCall(),upgradeMaskedCompare(),upgradeNVVMIntrinsicCall(),llvm::UpgradeTBAANode(),upgradeX86ALIGNIntrinsics(),upgradeX86IntrinsicCall(),upgradeX86PSLLDQIntrinsics(),upgradeX86PSRLDQIntrinsics(),upgradeX86vpcom(),llvm::InstCombinerImpl::visitAdd(),llvm::InstCombinerImpl::visitAnd(),llvm::InstCombinerImpl::visitBitCast(),llvm::InstCombinerImpl::visitCallInst(),llvm::InstCombinerImpl::visitFCmpInst(),llvm::InstCombinerImpl::visitFreeze(),llvm::InstCombinerImpl::visitGEPOfGEP(),llvm::InstCombinerImpl::visitGetElementPtrInst(),llvm::InstCombinerImpl::visitICmpInst(),llvm::InstCombinerImpl::visitLandingPadInst(),llvm::InstCombinerImpl::visitLShr(),llvm::InstCombinerImpl::visitMul(),llvm::InstCombinerImpl::visitOr(),llvm::InstCombinerImpl::visitShl(),llvm::InstCombinerImpl::visitSub(),llvm::InstCombinerImpl::visitTrunc(),llvm::InstCombinerImpl::visitURem(),llvm::InstCombinerImpl::visitZExt(),workshareLoopTargetCallback(), andllvm::Evaluator::~Evaluator().

If all elements of the vector constant have the same value, return that value.

Otherwise, return nullptr. Ignore poison elements by setting AllowPoison to true.

Definition at line1708 of fileConstants.cpp.

Referencesllvm::all_of(),assert(),llvm::Value::getContext(),getNullValue(),llvm::User::getOperand(),llvm::Value::getType(), andI.

Referenced byllvm::SelectionDAG::computeKnownBits(),computeKnownBitsFromOperator(),llvm::ConstantFoldBinaryInstruction(),llvm::ConstantFoldCompareInstruction(),llvm::ConstantFoldExtractElementInstruction(),llvm::FlushFPConstant(),getUniqueInteger(),hasExactInverseFP(),isAllOnesValue(),isFiniteNonZeroFP(),isMinSignedValue(),isNaN(),isNegativeZeroValue(),isNormalFP(),isNotMinSignedValue(),isNotOneValue(),isOneValue(),isZeroValue(),toConstantRange(), andWriteConstantInternal().

If C is a constant integer then return its value, otherwise C must be a vector of constant integers, all equal, and the common value is returned.

Definition at line1771 of fileConstants.cpp.

Referencesassert(),llvm::CallingConv::C,getAggregateElement(), andgetSplatValue().

Referenced byfoldShiftIntoShiftInAnotherHandOfAndInICmp().

This method is a special form ofUser::replaceUsesOfWith (which does not work on constants) that does work on constants.

Update this constant array to change uses of 'From' to be uses of 'To'.

Basically this method goes through the trouble of building a new constant that is equivalent to the current one, with all uses of From replaced with uses of To. After this construction is completed, all of the users of 'this' are replaced to use the new constant, and then 'this' is deleted. In general, you should not call this method, instead, useValue::replaceAllUsesWith, which automatically dispatches to this method as needed.

This must update the uniquing data structures etc.

Note that we intentionally replace all uses of From with To here. Consider a large array that uses 'From' 1000 times. By handling this case all here,ConstantArray::handleOperandChange is only invoked once, and that single invocation handles all 1000 uses. Handling them one at a time would work, but would be really slow because it would have to unique each updated array instance.

Definition at line3264 of fileConstants.cpp.

Referencesassert(),destroyConstant(),llvm::Value::getValueID(),llvm_unreachable, andllvm::Value::replaceAllUsesWith().

Return true if this scalar has an exact multiplicative inverse or this vector has an exact multiplicative inverse for each element in the vector.

Definition at line256 of fileConstants.cpp.

ReferencesgetAggregateElement(),getSplatValue(),llvm::Value::getType(), andI.

Return true if the constant has exactly one live use.

This returns the same result as callingValue::hasOneUse afterConstant::removeDeadConstantUsers, but doesn't remove dead constants.

Definition at line766 of fileConstants.cpp.

Return true if the constant has no live uses.

This returns the same result as callingValue::use_empty afterConstant::removeDeadConstantUsers, but doesn't remove dead constants.

Definition at line768 of fileConstants.cpp.

Return true if this is the value that would be returned by getAllOnesValue.

Definition at line107 of fileConstants.cpp.

ReferencesgetSplatValue(), andllvm::Value::getType().

Referenced byllvm::InstCombinerImpl::SimplifyDemandedVectorElts(), andsimplifyICmpInst().

Return true if the constant has users other than constant expressions and other dangling things.

Definition at line639 of fileConstants.cpp.

ReferencesisConstantUsed(), andllvm::Value::users().

Referenced byfindPartitions(), andisConstantUsed().

Return true if the value is dependent on a dllimport variable.

Definition at line632 of fileConstants.cpp.

ReferencesConstHasGlobalValuePredicate().

Return true if this constant and a constant 'Y' are element-wise equal.

This is identical to just comparing the pointers, with the exception that for vectors, if only one of the constants has anundef element in some lane, the constants still match.

Definition at line298 of fileConstants.cpp.

Referencesllvm::ConstantFoldCompareInstruction(),llvm::ConstantExpr::getBitCast(),llvm::VectorType::getInteger(),llvm::Value::getType(),llvm::CmpInst::ICMP_EQ,llvm::PatternMatch::m_One(),llvm::PatternMatch::match(), andY.

Referenced byllvm::InstCombinerImpl::visitSExt(), andllvm::InstCombinerImpl::visitSub().

Return true if this is a finite and non-zero floating-point scalar constant or a fixed width vector constant with all finite and non-zero elements.

Definition at line214 of fileConstants.cpp.

ReferencesgetAggregateElement(),getSplatValue(),llvm::Value::getType(), andI.

Return true if a constant isConstantData or aConstantAggregate orConstantExpr that contain onlyConstantData.

Definition at line843 of fileConstants.cpp.

ReferencesisManifestConstant(), andllvm::User::operand_values().

Referenced byisManifestConstant().

Return true if the value is the smallest signed value.

Definition at line169 of fileConstants.cpp.

ReferencesgetSplatValue(), andllvm::Value::getType().

Return true if this is a floating-point NaN constant or a vector floating-point constant with all NaN elements.

Definition at line277 of fileConstants.cpp.

ReferencesgetAggregateElement(),getSplatValue(),llvm::Value::getType(), andI.

Referenced bypropagateNaN().

Return true if the value is what would be returned by getZeroValueForNegation.

Definition at line56 of fileConstants.cpp.

ReferencesgetSplatValue(),llvm::Value::getType(), andisNullValue().

Return true if this is a normal (as opposed to denormal, infinity, nan, or zero) floating-point scalar constant or a vector constant with all normal elements.

SeeAPFloat::isNormal.

Definition at line235 of fileConstants.cpp.

ReferencesgetAggregateElement(),getSplatValue(),llvm::Value::getType(), andI.

Referenced byfoldFDivConstantDividend(), andllvm::InstCombinerImpl::foldFMulReassoc().

Return true if the value is not the smallest signed value, or, for vectors, does not contain smallest signed value elements.

Definition at line186 of fileConstants.cpp.

ReferencesgetAggregateElement(),getSplatValue(),llvm::Value::getType(),I, andisNotMinSignedValue().

Referenced byisNotMinSignedValue(), andllvm::InstCombinerImpl::visitMul().

Return true if the value is not the one value, or, for vectors, does not contain one value elements.

Definition at line141 of fileConstants.cpp.

ReferencesgetAggregateElement(),getSplatValue(),llvm::Value::getType(),I, andisNotOneValue().

Referenced byisNotOneValue().

Return true if this is the value that would be returned by getNullValue.

Definition at line90 of fileConstants.cpp.

Referenced byaddConditions(),addTryBlockMapEntry(),calculateSEHStateNumbers(),llvm::InstCombinerImpl::commonIDivRemTransforms(),llvm::ConstantFoldCompareInstOperands(),llvm::ConstantFoldCompareInstruction(),llvm::ConstantFoldGetElementPtr(),llvm::ConstantFoldInsertElementInstruction(),llvm::ConstantFoldShuffleVectorInstruction(),llvm::InstCombinerImpl::foldICmpInstWithConstantNotInt(),foldShiftIntoShiftInAnotherHandOfAndInICmp(),foldSwitchToSelect(),llvm::getConstantDataArrayInfo(),getPredicateResult(),llvm::inferAttribute(),llvm::GCNTTIImpl::instCombineIntrinsic(),isCatchAll(),llvm::ConstantPtrAuth::isKnownCompatibleWith(),isKnownNonZero(),isNegativeZeroValue(),isZeroValue(),llvm::AsmPrinter::lowerConstant(),optimizeOnceStoredGlobal(),runImpl(),llvm::SITargetLowering::shouldExpandAtomicRMWInIR(),shouldUseSwitchConditionAsTableIndex(),llvm::InstCombinerImpl::SimplifyDemandedVectorElts(),simplifyICmpInst(), andTryToShrinkGlobalToBoolean().

Returns true if the value is one.

Definition at line124 of fileConstants.cpp.

ReferencesgetSplatValue(), andllvm::Value::getType().

Referenced byfindBestNonTrivialUnswitchCandidate(),llvm::InstCombinerImpl::SimplifyDemandedVectorElts(), andunswitchNontrivialInvariants().

Return true if the value can vary between threads.

Definition at line625 of fileConstants.cpp.

ReferencesConstHasGlobalValuePredicate().

Return true if the value is negative zero or null value.

Definition at line76 of fileConstants.cpp.

ReferencesgetSplatValue(),llvm::Value::getType(), andisNullValue().

Referenced bycomputeKnownBitsFromOperator(),expandVecReduceAdd(),shouldConvertImpl(), andllvm::InstCombinerImpl::visitXor().

Merges undefs of aConstant with anotherConstant, along with the undefs already present.

Other doesn't have to be the same type as C, but both must either be scalars or vectors with the same element count. If no changes are made, the constant C is returned.

Definition at line808 of fileConstants.cpp.

Referencesassert(),llvm::CallingConv::C,llvm::ConstantVector::get(),llvm::UndefValue::get(),I,llvm::PatternMatch::m_Undef(),llvm::PatternMatch::match(), andllvm::Other.

Referenced byllvm::InstCombinerImpl::convertOrOfShiftsToFunnelShift(),foldSelectZeroOrMul(),llvm::InstCombinerImpl::visitAShr(),llvm::InstCombinerImpl::visitSExt(),llvm::InstCombinerImpl::visitTrunc(), andllvm::InstCombinerImpl::visitXor().

Definition at line651 of fileConstants.cpp.

This method classifies the entry according to whether or not it may generate a relocation entry (either static or dynamic).

This must be conservative, so if it might codegen to a relocatable entry, it should say so.

FIXME: This really should not be in IR.

Definition at line655 of fileConstants.cpp.

If there are any dead constant users dangling off of this constant, remove them.

This method is useful for clients that want to check to see if a global is unused, but don't want to deal with potentially dead constants hanging off of the globals.

Definition at line739 of fileConstants.cpp.

ReferencesconstantIsDead(),I,llvm::Value::user_begin(), andllvm::Value::user_end().

Referenced byCleanupConstantGlobalUsers(),CleanupPointerRootUsers(),deleteIfDead(),hasAddressTakenAndUsed(),mustPreserveGV(),llvm::CallGraphUpdater::replaceFunctionWith(),llvm::GlobalDCEPass::run(),SRAGlobal(), andllvm::GlobalValue::~GlobalValue().

Try to replace undefined constant C or undefined elements in C with Replacement.

If no changes are made, the constant C is returned.

Definition at line784 of fileConstants.cpp.

Referencesassert(),llvm::CallingConv::C,llvm::ConstantVector::get(),llvm::Value::getType(),llvm::PatternMatch::m_Undef(), andllvm::PatternMatch::match().

Referenced bydropRedundantMaskingOfLeftShiftInput(),llvm::getFlippedStrictnessPredicateAndConstant(),llvm::InstCombinerImpl::visitFreeze(),visitMaskedMerge(), andllvm::InstCombinerImpl::visitXor().

Definition at line222 of fileConstant.h.

ReferencesstripPointerCasts().

Definition at line218 of fileConstant.h.

Referencesllvm::Value::stripPointerCasts().

Referenced byaddTryBlockMapEntry(),llvm::AsmPrinter::emitGlobalAlias(),llvm::ARMAsmPrinter::emitXXStructor(),hasUsesToReplace(),llvm::InlineFunction(),OptimizeGlobalAliases(),runImpl(),stripPointerCasts(), andllvm::InstCombinerImpl::visitLandingPadInst().

Convert constant to an approximate constant range.

For vectors, the range is the union over the element ranges. Poison elements are ignored.

Definition at line1785 of fileConstants.cpp.

Referencesllvm::BitWidth,llvm::User::getOperand(),llvm::Type::getScalarSizeInBits(),getSplatValue(),llvm::Value::getType(),I, andllvm::ConstantRange::unionWith().

Referenced byllvm::ValueLatticeElement::asConstantRange(), andllvm::ValueLatticeElement::mergeIn().