#include "llvm/Analysis/InstructionSimplify.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) | |
| SimplifyQuery | getWithInstruction (Instruction *I) const |
| SimplifyQuery | getWithoutUndef () const |
| bool | isUndefValue (Value *V) const |
If CanUseUndef is true, returns whether V is undef. More... | |
Public Attributes | |
| const DataLayout & | DL |
| const TargetLibraryInfo * | TLI = nullptr |
| const DominatorTree * | DT = nullptr |
| AssumptionCache * | AC = nullptr |
| const Instruction * | CxtI = nullptr |
| const InstrInfoQuery | IIQ |
| bool | CanUseUndef = true |
| Controls whether simplifications are allowed to constrain the range of possible values for uses of undef. More... | |
Detailed Description
Definition at line 93 of file InstructionSimplify.h.
Constructor & Destructor Documentation
◆ SimplifyQuery() [1/2]
|
inline |
Definition at line 110 of file InstructionSimplify.h.
◆ SimplifyQuery() [2/2]
|
inline |
Definition at line 113 of file InstructionSimplify.h.
Member Function Documentation
◆ getWithInstruction()
|
inline |
Definition at line 120 of file InstructionSimplify.h.
References I.
Referenced by llvm::InstCombinerImpl::foldICmpBinOp(), foldShiftIntoShiftInAnotherHandOfAndInICmp(), llvm::InstCombinerImpl::reassociateShiftAmtsOfTwoSameDirectionShifts(), simplifyInstructionWithOperands(), simplifyLoopInst(), llvm::InstCombinerImpl::SimplifySelectsFeedingBinaryOp(), threadCmpOverPHI(), llvm::InstCombinerImpl::visitICmpInst(), llvm::InstCombinerImpl::visitShl(), and llvm::InstCombinerImpl::visitShuffleVectorInst().
◆ getWithoutUndef()
|
inline |
Definition at line 125 of file InstructionSimplify.h.
Referenced by expandBinOp(), and simplifyBinaryIntrinsic().
◆ isUndefValue()
|
inline |
If CanUseUndef is true, returns whether V is undef.
Otherwise always return false.
Definition at line 133 of file InstructionSimplify.h.
References CanUseUndef, llvm::PatternMatch::m_Undef(), and llvm::PatternMatch::match().
Referenced by isPoisonShift(), simplifyAddInst(), simplifyAndInst(), simplifyBinaryIntrinsic(), simplifyDivRem(), simplifyExtractElementInst(), simplifyFCmpInst(), simplifyFPOp(), simplifyGEPInst(), simplifyICmpInst(), llvm::simplifyInsertElementInst(), simplifyInsertValueInst(), simplifyIntrinsic(), simplifyMulInst(), simplifyOrInst(), simplifyPHINode(), simplifyRightShift(), simplifySelectInst(), simplifyShlInst(), simplifyShuffleVectorInst(), simplifySubInst(), simplifyXorInst(), and threadBinOpOverSelect().
Member Data Documentation
◆ AC
| AssumptionCache* llvm::SimplifyQuery::AC = nullptr |
Definition at line 97 of file InstructionSimplify.h.
Referenced by llvm::InstCombinerImpl::foldICmpBinOp(), foldUnsignedUnderflowCheck(), isDivZero(), simplifyAndInst(), simplifyAShrInst(), simplifyFreezeInst(), simplifyICmpInst(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), simplifyLShrInst(), simplifyOrInst(), simplifyRightShift(), simplifySelectInst(), simplifyShift(), simplifySubInst(), simplifyUnaryIntrinsic(), and simplifyUnsignedRangeCheck().
◆ 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 108 of file InstructionSimplify.h.
Referenced by isUndefValue().
◆ CxtI
| const Instruction* llvm::SimplifyQuery::CxtI = nullptr |
Definition at line 98 of file InstructionSimplify.h.
Referenced by computePointerICmp(), llvm::InstCombinerImpl::foldICmpBinOp(), foldOrCommuteConstant(), foldUnsignedUnderflowCheck(), isDivZero(), simplifyAndInst(), simplifyAShrInst(), simplifyBinaryIntrinsic(), simplifyFCmpInst(), simplifyFreezeInst(), simplifyICmpInst(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), simplifyInstructionWithOperands(), simplifyLShrInst(), simplifyOrInst(), simplifyRightShift(), simplifySelectInst(), simplifySelectWithFCmp(), simplifyShift(), simplifySubInst(), simplifyUnaryIntrinsic(), and simplifyUnsignedRangeCheck().
◆ DL
| const DataLayout& llvm::SimplifyQuery::DL |
Definition at line 94 of file InstructionSimplify.h.
Referenced by computePointerICmp(), foldConstant(), llvm::InstCombinerImpl::foldICmpBinOp(), foldOrCommuteConstant(), foldUnsignedUnderflowCheck(), isDivZero(), simplifyAndInst(), simplifyAShrInst(), simplifyBinaryIntrinsic(), simplifyCastInst(), simplifyFCmpInst(), simplifyGEPInst(), simplifyICmpInst(), simplifyICmpOfBools(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), simplifyInstructionWithOperands(), simplifyLoadInst(), simplifyLShrInst(), simplifyOrInst(), simplifyRightShift(), simplifySelectInst(), simplifyShift(), simplifySubInst(), simplifyUnaryIntrinsic(), simplifyUnsignedRangeCheck(), and simplifyWithOpReplaced().
◆ DT
| const DominatorTree* llvm::SimplifyQuery::DT = nullptr |
Definition at line 96 of file InstructionSimplify.h.
Referenced by computePointerICmp(), llvm::InstCombinerImpl::foldICmpBinOp(), foldUnsignedUnderflowCheck(), isDivZero(), runImpl(), simplifyAndInst(), simplifyAShrInst(), simplifyFreezeInst(), simplifyICmpInst(), simplifyICmpWithBinOpOnLHS(), simplifyICmpWithDominatingAssume(), simplifyICmpWithZero(), simplifyLShrInst(), simplifyOrInst(), simplifyPHINode(), simplifyRightShift(), simplifySelectInst(), simplifyShift(), simplifySubInst(), simplifyUnaryIntrinsic(), simplifyUnsignedRangeCheck(), threadBinOpOverPHI(), and threadCmpOverPHI().
◆ IIQ
| const InstrInfoQuery llvm::SimplifyQuery::IIQ |
Definition at line 103 of file InstructionSimplify.h.
Referenced by computePointerICmp(), simplifyAndOfICmps(), simplifyAShrInst(), simplifyDivRem(), simplifyICmpInst(), simplifyICmpWithBinOp(), simplifyICmpWithZero(), simplifyInstructionWithOperands(), simplifyMulInst(), simplifyOrOfICmps(), simplifyRem(), and simplifyShlInst().
◆ TLI
| const TargetLibraryInfo* llvm::SimplifyQuery::TLI = nullptr |
Definition at line 95 of file InstructionSimplify.h.
Referenced by computePointerICmp(), runImpl(), simplifyAndOrOfCmps(), simplifyFCmpInst(), simplifyICmpInst(), simplifyInstructionWithOperands(), simplifyUnaryIntrinsic(), simplifyWithOpReplaced(), and tryConstantFoldCall().
The documentation for this struct was generated from the following file:
- include/llvm/Analysis/InstructionSimplify.h
