#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 94 of file InstructionSimplify.h.
Constructor & Destructor Documentation
◆ SimplifyQuery() [1/2]
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inline |
Definition at line 111 of file InstructionSimplify.h.
◆ SimplifyQuery() [2/2]
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inline |
Definition at line 114 of file InstructionSimplify.h.
Member Function Documentation
◆ getWithInstruction()
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inline |
Definition at line 121 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()
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inline |
Definition at line 126 of file InstructionSimplify.h.
Referenced by expandBinOp(), and simplifyBinaryIntrinsic().
◆ isUndefValue()
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inline |
If CanUseUndef is true, returns whether V is undef.
Otherwise always return false.
Definition at line 134 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 98 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 109 of file InstructionSimplify.h.
Referenced by isUndefValue().
◆ CxtI
| const Instruction* llvm::SimplifyQuery::CxtI = nullptr |
Definition at line 99 of file InstructionSimplify.h.
Referenced by computePointerICmp(), llvm::InstCombinerImpl::foldICmpBinOp(), foldUnsignedUnderflowCheck(), isDivZero(), SimplifyAndInst(), SimplifyAShrInst(), simplifyBinaryIntrinsic(), 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 95 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 97 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 104 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 96 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
