LLVM 22.0.0git
Public Member Functions | Public Attributes | List of all members
llvm::SimplifyQuery Struct Reference

#include "llvm/Analysis/SimplifyQuery.h"

Public Member Functions

 SimplifyQuery (const DataLayout &DL, const Instruction *CXTI=nullptr)
 SimplifyQuery (const DataLayout &DL, const TargetLibraryInfo *TLI, const DominatorTree *DT=nullptr, AssumptionCache *AC=nullptr, const Instruction *CXTI=nullptr, bool UseInstrInfo=true, bool CanUseUndef=true, const DomConditionCache *DC=nullptr)
 SimplifyQuery (const DataLayout &DL, const DominatorTree *DT, AssumptionCache *AC=nullptr, const Instruction *CXTI=nullptr, bool UseInstrInfo=true, bool CanUseUndef=true)
SimplifyQuery getWithInstruction (const Instruction *I) const
SimplifyQuery getWithoutUndef () const
LLVM_ABI bool isUndefValue (Value *V) const
 If CanUseUndef is true, returns whether V is undef.
SimplifyQuery getWithoutDomCondCache () const
SimplifyQuery getWithCondContext (const CondContext &CC) const
SimplifyQuery getWithoutCondContext () const

Public Attributes

const DataLayout & DL
const TargetLibraryInfo * TLI = nullptr
const DominatorTree * DT = nullptr
AssumptionCache * AC = nullptr
const Instruction * CxtI = nullptr
const DomConditionCache * DC = nullptr
const CondContext * CC = nullptr
const InstrInfoQuery IIQ
bool CanUseUndef = true
 Controls whether simplifications are allowed to constrain the range of possible values for uses of undef.

Detailed Description

Definition at line 71 of file SimplifyQuery.h.

Constructor & Destructor Documentation

◆ SimplifyQuery() [1/3]

llvm::SimplifyQuery::SimplifyQuery ( const DataLayout & DL,
const Instruction * CXTI = nullptr )
inline

Definition at line 90 of file SimplifyQuery.h.

References CxtI, and DL.

Referenced by getWithCondContext(), getWithInstruction(), getWithoutCondContext(), getWithoutDomCondCache(), and getWithoutUndef().

◆ SimplifyQuery() [2/3]

llvm::SimplifyQuery::SimplifyQuery ( const DataLayout & DL,
const TargetLibraryInfo * TLI,
const DominatorTree * DT = nullptr,
AssumptionCache * AC = nullptr,
const Instruction * CXTI = nullptr,
bool UseInstrInfo = true,
bool CanUseUndef = true,
const DomConditionCache * DC = nullptr )
inline

Definition at line 93 of file SimplifyQuery.h.

References AC, CanUseUndef, CxtI, DC, DL, DT, IIQ, and TLI.

◆ SimplifyQuery() [3/3]

llvm::SimplifyQuery::SimplifyQuery ( const DataLayout & DL,
const DominatorTree * DT,
AssumptionCache * AC = nullptr,
const Instruction * CXTI = nullptr,
bool UseInstrInfo = true,
bool CanUseUndef = true )
inline

Definition at line 101 of file SimplifyQuery.h.

References AC, CanUseUndef, CxtI, DL, DT, and IIQ.

Member Function Documentation

◆ getWithCondContext()

SimplifyQuery llvm::SimplifyQuery::getWithCondContext ( const CondContext & CC) const
inline

Definition at line 129 of file SimplifyQuery.h.

References CC, and SimplifyQuery().

◆ getWithInstruction()

SimplifyQuery llvm::SimplifyQuery::getWithInstruction ( const Instruction * I) const
inline

Definition at line 108 of file SimplifyQuery.h.

References I, and SimplifyQuery().

Referenced by llvm::GCNTTIImpl::canSimplifyLegacyMulToMul(), computeKnownBitsFromOperator(), computeKnownFPClass(), foldCtpop(), foldCttzCtlz(), foldFCmpFSubIntoFCmp(), foldFPtoI(), foldICmpAndXX(), foldSelectBinOpIdentity(), foldShiftIntoShiftInAnotherHandOfAndInICmp(), simplifyAndOrWithOpReplaced(), simplifyInstructionWithOperands(), simplifyInstructionWithPHI(), simplifyLoopInst(), threadBinOpOverPHI(), threadCmpOverPHI(), and tryFactorization().

◆ getWithoutCondContext()

SimplifyQuery llvm::SimplifyQuery::getWithoutCondContext ( ) const
inline

Definition at line 135 of file SimplifyQuery.h.

References SimplifyQuery().

Referenced by computeKnownBitsFromOperator(), computeKnownFPClass(), ComputeNumSignBitsImpl(), isKnownNonZeroFromOperator(), llvm::isKnownToBeAPowerOfTwo(), and isNonEqualPHIs().

◆ getWithoutDomCondCache()

SimplifyQuery llvm::SimplifyQuery::getWithoutDomCondCache ( ) const
inline

Definition at line 123 of file SimplifyQuery.h.

References SimplifyQuery().

◆ getWithoutUndef()

SimplifyQuery llvm::SimplifyQuery::getWithoutUndef ( ) const
inline

Definition at line 113 of file SimplifyQuery.h.

References SimplifyQuery().

Referenced by expandBinOp(), simplifyAndOrWithICmpEq(), llvm::simplifyBinaryIntrinsic(), simplifySelectWithEquivalence(), and llvm::simplifyWithOpReplaced().

◆ isUndefValue()

bool llvm::SimplifyQuery::isUndefValue ( Value * V) const

If CanUseUndef is true, returns whether V is undef.

Otherwise always return false.

Definition at line 7371 of file InstructionSimplify.cpp.

References CanUseUndef, llvm::PatternMatch::m_Undef(), and llvm::PatternMatch::match().

Referenced by llvm::GCNTTIImpl::instCombineIntrinsic(), isPoisonShift(), simplifyAddInst(), simplifyAndInst(), llvm::simplifyBinaryIntrinsic(), simplifyDivRem(), simplifyExtractElementInst(), simplifyFCmpInst(), simplifyFPOp(), simplifyGEPInst(), simplifyICmpInst(), llvm::simplifyInsertElementInst(), simplifyInsertValueInst(), simplifyIntrinsic(), simplifyLdexp(), simplifyMulInst(), simplifyOrInst(), simplifyPHINode(), simplifyRightShift(), simplifySelectInst(), simplifyShlInst(), simplifyShuffleVectorInst(), simplifySubInst(), simplifyXorInst(), and threadBinOpOverSelect().

Member Data Documentation

◆ AC

AssumptionCache* llvm::SimplifyQuery::AC = nullptr

Definition at line 75 of file SimplifyQuery.h.

Referenced by llvm::adjustKnownBitsForSelectArm(), llvm::computeKnownBitsFromContext(), computeKnownBitsFromOperator(), computeKnownBitsMul(), computeKnownFPClass(), computeKnownFPClassFromContext(), llvm::computeOverflowForSignedSub(), llvm::computeOverflowForUnsignedSub(), foldAndOrOfICmpsWithPow2AndWithZero(), foldCtpopPow2Test(), haveNoCommonBitsSetSpecialCases(), isKnownNonEqualFromContext(), isKnownNonZeroFromAssume(), isKnownNonZeroFromOperator(), llvm::isKnownToBeAPowerOfTwo(), isMaskOrZero(), setShiftFlags(), simplifyAndCommutative(), simplifyAndInst(), simplifyAShrInst(), simplifyFreezeInst(), simplifyICmpWithDominatingAssume(), simplifyPHINode(), SimplifyQuery(), SimplifyQuery(), and simplifyUnaryIntrinsic().

◆ CanUseUndef

bool llvm::SimplifyQuery::CanUseUndef = true

Controls whether simplifications are allowed to constrain the range of possible values for uses of undef.

If it is false, simplifications are not allowed to assume a particular value for a use of undef for example.

Definition at line 88 of file SimplifyQuery.h.

Referenced by isUndefValue(), SimplifyQuery(), SimplifyQuery(), and simplifyWithOpsReplaced().

◆ CC

const CondContext* llvm::SimplifyQuery::CC = nullptr

Definition at line 78 of file SimplifyQuery.h.

Referenced by llvm::computeKnownBitsFromContext(), computeKnownFPClassFromContext(), and getWithCondContext().

◆ CxtI

const Instruction* llvm::SimplifyQuery::CxtI = nullptr

Definition at line 76 of file SimplifyQuery.h.

Referenced by llvm::adjustKnownBitsForSelectArm(), computeKnownBitsAddSub(), llvm::computeKnownBitsFromContext(), computeKnownBitsFromOperator(), computeKnownBitsMul(), computeKnownFPClass(), computeKnownFPClassFromContext(), ComputeNumSignBitsImpl(), llvm::computeOverflowForSignedSub(), llvm::computeOverflowForUnsignedSub(), foldAndOrOfICmpsWithPow2AndWithZero(), foldCtpopPow2Test(), foldOrCommuteConstant(), getKnownSign(), getKnownSignOrZero(), haveNoCommonBitsSetSpecialCases(), isKnownNonEqualFromContext(), isKnownNonZero(), isKnownNonZeroFromAssume(), isKnownNonZeroFromOperator(), llvm::isKnownToBeAPowerOfTwo(), isMaskOrZero(), isNonEqualPHIs(), isPowerOfTwoRecurrence(), setShiftFlags(), simplifyAndCommutative(), simplifyAndInst(), simplifyAShrInst(), simplifyByDomEq(), llvm::InstCombinerImpl::SimplifyDemandedUseBits(), simplifyFCmpInst(), simplifyFreezeInst(), simplifyICmpInst(), simplifyICmpWithDominatingAssume(), simplifyInstructionWithOperands(), simplifyPHINode(), SimplifyQuery(), SimplifyQuery(), SimplifyQuery(), simplifySelectInst(), simplifySelectWithFCmp(), and simplifyUnaryIntrinsic().

◆ DC

const DomConditionCache* llvm::SimplifyQuery::DC = nullptr

Definition at line 77 of file SimplifyQuery.h.

Referenced by llvm::computeKnownBitsFromContext(), computeKnownFPClassFromContext(), isKnownNonEqualFromContext(), llvm::isKnownToBeAPowerOfTwo(), and SimplifyQuery().

◆ DL

const DataLayout& llvm::SimplifyQuery::DL

Definition at line 72 of file SimplifyQuery.h.

Referenced by computeKnownBits(), llvm::computeKnownBits(), llvm::computeKnownBits(), computeKnownBitsAddSub(), computeKnownBitsForHorizontalOperation(), computeKnownBitsFromCmp(), computeKnownBitsFromOperator(), ComputeNumSignBitsImpl(), llvm::computeOverflowForUnsignedSub(), computePointerICmp(), dropRedundantMaskingOfLeftShiftInput(), foldAndOrOfICmpsWithPow2AndWithZero(), foldConstant(), foldCtpopPow2Test(), foldOrCommuteConstant(), foldShiftIntoShiftInAnotherHandOfAndInICmp(), getKnownSign(), getKnownSignOrZero(), isGEPKnownNonNull(), isKnownNonEqual(), isKnownNonEqualFromContext(), isKnownNonZeroFromOperator(), isMaskOrZero(), isNonEqualPointersWithRecursiveGEP(), setShiftFlags(), simplifyAndCommutative(), simplifyAndInst(), simplifyAndOrOfCmps(), simplifyAShrInst(), llvm::simplifyBinaryIntrinsic(), simplifyByDomEq(), simplifyCastInst(), simplifyFCmpInst(), simplifyGEPInst(), simplifyICmpInst(), simplifyICmpOfBools(), simplifyICmpWithDominatingAssume(), simplifyInstructionWithOperands(), llvm::simplifyLoadInst(), simplifyOrInst(), SimplifyQuery(), SimplifyQuery(), SimplifyQuery(), simplifySelectInst(), simplifySelectWithICmpCond(), simplifySubInst(), simplifyUnaryIntrinsic(), and simplifyWithOpsReplaced().

◆ DT

const DominatorTree* llvm::SimplifyQuery::DT = nullptr

Definition at line 74 of file SimplifyQuery.h.

Referenced by llvm::adjustKnownBitsForSelectArm(), llvm::computeKnownBitsFromContext(), computeKnownBitsFromOperator(), computeKnownBitsMul(), computeKnownFPClass(), computeKnownFPClassFromContext(), llvm::computeOverflowForSignedSub(), llvm::computeOverflowForUnsignedSub(), foldAndOrOfICmpsWithPow2AndWithZero(), foldCtpopPow2Test(), haveNoCommonBitsSetSpecialCases(), isKnownNonEqualFromContext(), isKnownNonZero(), isKnownNonZeroFromAssume(), isKnownNonZeroFromOperator(), llvm::isKnownToBeAPowerOfTwo(), isMaskOrZero(), runImpl(), setShiftFlags(), simplifyAndCommutative(), simplifyAndInst(), simplifyAShrInst(), simplifyFreezeInst(), simplifyICmpWithDominatingAssume(), simplifyPHINode(), SimplifyQuery(), SimplifyQuery(), simplifyUnaryIntrinsic(), threadBinOpOverPHI(), and threadCmpOverPHI().

◆ IIQ

const InstrInfoQuery llvm::SimplifyQuery::IIQ

Definition at line 83 of file SimplifyQuery.h.

Referenced by llvm::computeConstantRangeIncludingKnownBits(), computeKnownBitsFromOperator(), computeKnownFPClass(), isKnownNonZeroFromOperator(), llvm::isKnownToBeAPowerOfTwo(), isPowerOfTwoRecurrence(), simplifyAndInst(), simplifyAndOfICmps(), simplifyAShrInst(), simplifyDivRem(), simplifyICmpInst(), simplifyICmpWithBinOp(), simplifyICmpWithConstant(), simplifyInstructionWithOperands(), simplifyLShrInst(), simplifyMulInst(), simplifyOrOfICmps(), SimplifyQuery(), SimplifyQuery(), simplifyRem(), and simplifyShlInst().

◆ TLI

const TargetLibraryInfo* llvm::SimplifyQuery::TLI = nullptr

Definition at line 73 of file SimplifyQuery.h.

Referenced by computePointerICmp(), runImpl(), simplifyFCmpInst(), simplifyICmpInst(), simplifyInstructionWithOperands(), SimplifyQuery(), simplifyWithOpsReplaced(), and tryConstantFoldCall().

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