[#llvm-PtrToAddrInst] = xref:llvm.adoc[llvm]::PtrToAddrInst :relfileprefix: ../ :mrdocs: Instruction that casts a pointer to a non‐capturing address integer. == Synopsis Declared in `<llvm/IR/Instructions.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- class PtrToAddrInst : public xref:llvm/CastInst.adoc[CastInst] ---- == Base Classes [cols="1,4"] |=== | Name| Description | `xref:llvm/CastInst.adoc[CastInst]` | Base class of casting instructions. |=== == Types [cols="1,4"] |=== | Name| Description | xref:llvm/Instruction/const_succ_iterator.adoc[`const_succ_iterator`] | The const version of `succ_iterator`. | xref:llvm/User/const_value_op_iterator.adoc[`const_value_op_iterator`] | Const iterator for directly iterating over the operand Values. | xref:llvm/Instruction/succ_iterator.adoc[`succ_iterator`] | Iterator type that casts an operand to a basic block. | xref:llvm/User/value_op_iterator.adoc[`value_op_iterator`] | Iterator for directly iterating over the operand Values. |=== == Type Aliases [cols="1,4"] |=== | Name| Description | xref:llvm/Instruction/InstListType.adoc[`InstListType`] | Intrusive instruction list type used by BasicBlock. | xref:llvm/User/const_op_iterator.adoc[`const_op_iterator`] | Const iterator over this user's operand `Use` objects. | xref:llvm/User/const_op_range.adoc[`const_op_range`] | Range of const operand `Use` iterators. | xref:llvm/Value/const_use_iterator.adoc[`const_use_iterator`] | Const iterator over this value's uses. | xref:llvm/Value/const_user_iterator.adoc[`const_user_iterator`] | Const iterator over this value's users. | xref:llvm/User/op_iterator.adoc[`op_iterator`] | Iterator over this user's operand `Use` objects. | xref:llvm/User/op_range.adoc[`op_range`] | Range of mutable operand `Use` iterators. | xref:llvm/Value/use_iterator.adoc[`use_iterator`] | Iterator over this value's uses. | xref:llvm/Value/user_iterator.adoc[`user_iterator`] | Iterator over this value's users. |=== == Enums [cols="1,4"] |=== | Name| Description | xref:llvm/Instruction/BinaryOps.adoc[`BinaryOps`] | Opcodes for binary operators (arithmetic, shifts, and bitwise logic). | xref:llvm/Instruction/CastOps.adoc[`CastOps`] | Opcodes for cast instructions (trunc, zext, bitcast, addrspacecast, etc.). | xref:llvm/Instruction/FuncletPadOps.adoc[`FuncletPadOps`] | Opcodes for funclet pad instructions (cleanuppad, catchpad). | xref:llvm/Instruction/MemoryOps.adoc[`MemoryOps`] | Opcodes for memory instructions (alloca, load, store, GEP, atomics, etc.). | xref:llvm/Instruction/OperationEquivalenceFlags.adoc[`OperationEquivalenceFlags`] | When checking for operation equivalence (using isSameOperationAs) it is sometimes useful to ignore certain attributes. | xref:llvm/Instruction/OtherOps.adoc[`OtherOps`] | Opcodes for other non‐terminating instructions (cmp, phi, call, select, etc.). | xref:llvm/Instruction/TermOps.adoc[`TermOps`] | Opcodes that terminate a basic block (return, branch, switch, etc.). | xref:llvm/Instruction/UnaryOps.adoc[`UnaryOps`] | Opcodes for unary instructions (e.g. fneg). | xref:llvm/Value/ValueTy.adoc[`ValueTy`] | Concrete subclass of this. |=== == Member Functions [cols="1,4"] |=== | Name| Description | xref:llvm/PtrToAddrInst/2constructor.adoc[`PtrToAddrInst`] [.small]#[constructor]# | Cast pointer `S` to address integer type `Ty` and optionally insert before `InsertBefore.` | xref:llvm/Instruction/operator_assign-0c.adoc[`operator=`] | Assignment operators | xref:llvm/Value/DoPHITranslation-07.adoc[`DoPHITranslation`] | `DoPHITranslation` overloads | xref:llvm/Instruction/addAnnotationMetadata-078.adoc[`addAnnotationMetadata`] | `addAnnotationMetadata` overloads | xref:llvm/Value/addUse.adoc[`addUse`] | This method should only be used by the Use class. | xref:llvm/Instruction/adoptDbgRecords.adoc[`adoptDbgRecords`] | Transfer any DbgRecords on the position `It` onto this instruction. | xref:llvm/Instruction/andIRFlags.adoc[`andIRFlags`] | Intersect wrapping, exact, and fast‐math flags of `V` with this instruction. | xref:llvm/Instruction/applyMergedLocation.adoc[`applyMergedLocation`] | Merge two debug locations and apply the result to this instruction. | xref:llvm/Value/assertModuleIsMaterialized.adoc[`assertModuleIsMaterialized`] | Assert in debug builds that modules containing this value are materialized. | xref:llvm/Value/assertModuleIsMaterializedImpl.adoc[`assertModuleIsMaterializedImpl`] | Assert that every module containing this value is fully materialized. | xref:llvm/Value/canBeFreed.adoc[`canBeFreed`] | Return true if this pointer's memory may be freed in its defining scope. | xref:llvm/Instruction/clone.adoc[`clone`] | Create a copy of this instruction that is identical except it has no parent and no name. | xref:llvm/Instruction/cloneDebugInfoFrom.adoc[`cloneDebugInfoFrom`] | Clone any debug‐info attached to `From` onto this instruction. | xref:llvm/Instruction/comesBefore.adoc[`comesBefore`] | Return true if this instruction comes before `Other` in the same block. | xref:llvm/Instruction/copyFastMathFlags-0f.adoc[`copyFastMathFlags`] | `copyFastMathFlags` overloads | xref:llvm/Instruction/copyIRFlags.adoc[`copyIRFlags`] | Copy supported exact, fast‐math, and optionally wrapping flags from `V.` | xref:llvm/Instruction/copyMetadata.adoc[`copyMetadata`] | Copy metadata from `SrcInst` onto this instruction. | xref:llvm/Instruction/copyProfileAndDebugMetadata.adoc[`copyProfileAndDebugMetadata`] | Copy debug, profile, and memprof metadata from `SrcInst.` | xref:llvm/Value/deleteValue.adoc[`deleteValue`] | Delete a pointer to a generic Value. | xref:llvm/User/dropAllReferences.adoc[`dropAllReferences`] | Drop all references to operands. | xref:llvm/Instruction/dropDbgRecords.adoc[`dropDbgRecords`] | Erase any DbgRecords attached to this instruction. | xref:llvm/Value/dropDroppableUses.adoc[`dropDroppableUses`] | Remove every uses that can safely be removed. | xref:llvm/Value/dropDroppableUsesIn.adoc[`dropDroppableUsesIn`] | Remove every use of this value in `User` that can safely be removed. | xref:llvm/Instruction/dropLocation.adoc[`dropLocation`] | Drop the instruction's debug location. | xref:llvm/Instruction/dropOneDbgRecord.adoc[`dropOneDbgRecord`] | Erase a single DbgRecord `I` that is attached to this instruction. | xref:llvm/Instruction/dropPoisonGeneratingAnnotations.adoc[`dropPoisonGeneratingAnnotations`] | Drops flags, attributes and metadata that may generate poison. | xref:llvm/Instruction/dropPoisonGeneratingAttributes.adoc[`dropPoisonGeneratingAttributes`] | Drops attributes that may generate poison. | xref:llvm/Instruction/dropPoisonGeneratingFlags.adoc[`dropPoisonGeneratingFlags`] | Drops flags that may cause this instruction to evaluate to poison despite having non‐poison inputs. | xref:llvm/Instruction/dropPoisonGeneratingMetadata.adoc[`dropPoisonGeneratingMetadata`] | Drops metadata that may generate poison. | xref:llvm/Instruction/dropUBImplyingAttrsAndMetadata.adoc[`dropUBImplyingAttrsAndMetadata`] | Drop attributes or metadata that can cause immediate undefined behavior. | xref:llvm/Instruction/dropUBImplyingAttrsAndUnknownMetadata.adoc[`dropUBImplyingAttrsAndUnknownMetadata`] | Drop non‐debug unknown metadata and UB‐implying call attributes. | xref:llvm/Instruction/dropUnknownNonDebugMetadata.adoc[`dropUnknownNonDebugMetadata`] | Drop all unknown metadata except for debug locations. | xref:llvm/Value/dump.adoc[`dump`] | Support for debugging, callable in GDB: V‐>dump() | xref:llvm/Instruction/eraseFromParent.adoc[`eraseFromParent`] | This method unlinks 'this' from the containing basic block and deletes it. | xref:llvm/Instruction/eraseMetadataIf.adoc[`eraseMetadataIf`] | Erase all metadata that matches the predicate. | xref:llvm/Instruction/extractProfTotalWeight.adoc[`extractProfTotalWeight`] | Retrieve total raw weight values of a branch. | xref:llvm/Instruction/getAAMetadata.adoc[`getAAMetadata`] | Return the AA metadata for this instruction. | xref:llvm/Instruction/getAccessType.adoc[`getAccessType`] | Return the type this instruction accesses in memory, if any. | xref:llvm/Instruction/getAllMetadata.adoc[`getAllMetadata`] | Get all metadata attached to this Instruction. | xref:llvm/Instruction/getAllMetadataOtherThanDebugLoc.adoc[`getAllMetadataOtherThanDebugLoc`] | Get all metadata attached to this Instruction except the debug location. | xref:llvm/Value/getContext.adoc[`getContext`] | All values hold a context through their type. | xref:llvm/Instruction/getDataLayout.adoc[`getDataLayout`] | Return the data layout of the module this instruction belongs to. | xref:llvm/Instruction/getDbgRecordRange.adoc[`getDbgRecordRange`] | Return a range over the DbgRecords attached to this instruction. | xref:llvm/Instruction/getDbgReinsertionPosition.adoc[`getDbgReinsertionPosition`] | Return an iterator to the next DbgRecord after this instruction. | xref:llvm/Instruction/getDebugLoc.adoc[`getDebugLoc`] | Return the debug location for this node as a DebugLoc. | xref:llvm/User/getDescriptor-01.adoc[`getDescriptor`] | Returns the descriptor co‐allocated with this User instance. | xref:llvm/CastInst/getDestTy.adoc[`getDestTy`] | Return the destination type of this cast. | xref:llvm/Instruction/getFastMathFlags.adoc[`getFastMathFlags`] | Return all fast‐math flags for this instruction. | xref:llvm/Instruction/getFastMathFlagsOrNone.adoc[`getFastMathFlagsOrNone`] | Return fast‐math flags, or default flags when not a FPMathOperator. | xref:llvm/Instruction/getFunction-0a5.adoc[`getFunction`] | Return the function this instruction belongs to. | xref:llvm/Instruction/getInsertionPointAfterDef.adoc[`getInsertionPointAfterDef`] | Return the first insertion point at which this instruction's result is defined. | xref:llvm/Instruction/getMemoryEffects.adoc[`getMemoryEffects`] | Return the memory effects of this instruction. | xref:llvm/Instruction/getMetadata-09.adoc[`getMetadata`] | Get the metadata of given kind attached to this Instruction. | xref:llvm/Instruction/getModule-05.adoc[`getModule`] | `getModule` overloads | xref:llvm/Value/getName.adoc[`getName`] | Return a constant reference to the value's name. | xref:llvm/Value/getNameOrAsOperand.adoc[`getNameOrAsOperand`] | Return this value's name, or a printed operand string if it is unnamed. | xref:llvm/Instruction/getNextNode-0c.adoc[`getNextNode`] | Get the next node, or `nullptr` for the list tail. | xref:llvm/UnaryInstruction/getNumOperands.adoc[`getNumOperands`] | Return the number of operands. | xref:llvm/Instruction/getNumSuccessors.adoc[`getNumSuccessors`] | Return the number of successors that this terminator has. | xref:llvm/Value/getNumUses.adoc[`getNumUses`] | This method computes the number of uses of this Value. | xref:llvm/CastInst/getOpcode.adoc[`getOpcode`] | Return the cast opcode of this instruction. | xref:llvm/Instruction/getOpcodeName-01.adoc[`getOpcodeName`] | Return the mnemonic name for this instruction's opcode. | xref:llvm/UnaryInstruction/getOperand.adoc[`getOperand`] | Return operand at index `i_nocapture.` | xref:llvm/User/getOperandList-07.adoc[`getOperandList`] | `getOperandList` overloads | xref:llvm/User/getOperandUse-01.adoc[`getOperandUse`] | `getOperandUse` overloads | xref:llvm/PtrToAddrInst/getPointerAddressSpace.adoc[`getPointerAddressSpace`] | Returns the address space of the pointer operand. | xref:llvm/Value/getPointerAlignment.adoc[`getPointerAlignment`] | Returns an alignment of the pointer value. | xref:llvm/Value/getPointerDereferenceableBytes.adoc[`getPointerDereferenceableBytes`] | Returns the number of bytes known to be dereferenceable for the pointer value. | xref:llvm/Value/getPointerOffsetFrom.adoc[`getPointerOffsetFrom`] | If this ptr is provably equal to `Other` plus a constant offset, return that offset in bytes. Essentially `ptr this` subtract `ptr Other`. | xref:llvm/PtrToAddrInst/getPointerOperand-09.adoc[`getPointerOperand`] | Gets the pointer operand. | xref:llvm/Instruction/getPrevNode-02.adoc[`getPrevNode`] | `getPrevNode` overloads | xref:llvm/Value/getRawSubclassOptionalData.adoc[`getRawSubclassOptionalData`] | Return the raw optional flags value contained in this value. | xref:llvm/Value/getSingleUndroppableUse-0d.adoc[`getSingleUndroppableUse`] | `getSingleUndroppableUse` overloads | xref:llvm/CastInst/getSrcTy.adoc[`getSrcTy`] | Return the source type of this cast. | xref:llvm/Instruction/getStableDebugLoc.adoc[`getStableDebugLoc`] | Return a stable debug location for this instruction. | xref:llvm/Instruction/getSuccessor.adoc[`getSuccessor`] | Return the successor at index `Idx.` | xref:llvm/Value/getType.adoc[`getType`] | All values are typed, get the type of this value. | xref:llvm/Value/getUniqueUndroppableUser-06.adoc[`getUniqueUndroppableUser`] | `getUniqueUndroppableUser` overloads | xref:llvm/Value/getValueID.adoc[`getValueID`] | Return an ID for the concrete type of this object. | xref:llvm/Value/getValueName.adoc[`getValueName`] | Return the symbol‐table name entry for this value, if any. | xref:llvm/Instruction/handleMarkerRemoval.adoc[`handleMarkerRemoval`] | Handle the debug‐info implications of this instruction being removed. Any attached DbgRecords need to "fall" down onto the next instruction. | xref:llvm/Instruction/hasAllowContract.adoc[`hasAllowContract`] | Determine whether the allow‐contract flag is set. | xref:llvm/Instruction/hasAllowReassoc.adoc[`hasAllowReassoc`] | Determine whether the allow‐reassociation flag is set. | xref:llvm/Instruction/hasAllowReciprocal.adoc[`hasAllowReciprocal`] | Determine whether the allow‐reciprocal flag is set. | xref:llvm/Instruction/hasApproxFunc.adoc[`hasApproxFunc`] | Determine whether the approximate‐math‐functions flag is set. | xref:llvm/Instruction/hasAtomicLoad.adoc[`hasAtomicLoad`] | Return true if this atomic instruction loads from memory. | xref:llvm/Instruction/hasAtomicStore.adoc[`hasAtomicStore`] | Return true if this atomic instruction stores to memory. | xref:llvm/Instruction/hasDbgRecords.adoc[`hasDbgRecords`] | Return true if any DbgRecords are attached to this instruction. | xref:llvm/Instruction/hasMetadata-02.adoc[`hasMetadata`] | `hasMetadata` overloads | xref:llvm/Instruction/hasMetadataOtherThanDebugLoc.adoc[`hasMetadataOtherThanDebugLoc`] | Return true if this instruction has metadata attached to it other than a debug location. | xref:llvm/Value/hasNUndroppableUses.adoc[`hasNUndroppableUses`] | Return true if this value has exactly N undroppable uses. | xref:llvm/Value/hasNUndroppableUsesOrMore.adoc[`hasNUndroppableUsesOrMore`] | Return true if this value has N undroppable uses or more. | xref:llvm/Value/hasNUses.adoc[`hasNUses`] | Return true if this Value has exactly N uses. | xref:llvm/Value/hasNUsesOrMore.adoc[`hasNUsesOrMore`] | Return true if this value has N uses or more. | xref:llvm/Value/hasName-0b.adoc[`hasName`] | Return true if this value has a name in the symbol table. | xref:llvm/Instruction/hasNoInfs.adoc[`hasNoInfs`] | Determine whether the no‐infs flag is set. | xref:llvm/Instruction/hasNoNaNs.adoc[`hasNoNaNs`] | Determine whether the no‐NaNs flag is set. | xref:llvm/Instruction/hasNoSignedWrap.adoc[`hasNoSignedWrap`] | Determine whether the no signed wrap flag is set. | xref:llvm/Instruction/hasNoSignedZeros.adoc[`hasNoSignedZeros`] | Determine whether the no‐signed‐zeros flag is set. | xref:llvm/Instruction/hasNoUnsignedWrap.adoc[`hasNoUnsignedWrap`] | Determine whether the no unsigned wrap flag is set. | xref:llvm/Instruction/hasNonDebugLocLoopMetadata.adoc[`hasNonDebugLocLoopMetadata`] | Return true if this instruction contains loop metadata other than a debug location. | xref:llvm/Instruction/hasNonNeg.adoc[`hasNonNeg`] | Determine whether the nneg flag is set. | xref:llvm/Value/hasOneUse.adoc[`hasOneUse`] | Return true if there is exactly one use of this value. | xref:llvm/Value/hasOneUser.adoc[`hasOneUser`] | Return true if there is exactly one user of this value. | xref:llvm/Instruction/hasPoisonGeneratingAnnotations.adoc[`hasPoisonGeneratingAnnotations`] | Return true if this instruction has poison‐generating flags, attributes or metadata. | xref:llvm/Instruction/hasPoisonGeneratingAttributes.adoc[`hasPoisonGeneratingAttributes`] | Return true if this instruction has poison‐generating attribute. | xref:llvm/Instruction/hasPoisonGeneratingFlags.adoc[`hasPoisonGeneratingFlags`] | Return true if this operator has flags which may cause poison. | xref:llvm/Instruction/hasPoisonGeneratingMetadata.adoc[`hasPoisonGeneratingMetadata`] | Return true if this instruction has poison‐generating metadata. | xref:llvm/Instruction/hasSameSpecialState.adoc[`hasSameSpecialState`] | Return true if `I2` has the same opcode‐specific state as this instruction. | xref:llvm/Instruction/hasUBImplyingAttrs.adoc[`hasUBImplyingAttrs`] | Return true if this instruction has UB‐implying attributes that can cause immediate undefined behavior. | xref:llvm/Value/hasUseList.adoc[`hasUseList`] | Check if this Value has a use‐list. | xref:llvm/Value/hasValueHandle-07.adoc[`hasValueHandle`] | Return true if there is a value handle associated with this value. | xref:llvm/Instruction/insertAfter-00.adoc[`insertAfter`] | `insertAfter` overloads | xref:llvm/Instruction/insertBefore-0b.adoc[`insertBefore`] | `insertBefore` overloads | xref:llvm/Instruction/insertInto.adoc[`insertInto`] | Insert an unlinked instruction into `ParentBB` at position `It.` | xref:llvm/Instruction/isArithmeticShift.adoc[`isArithmeticShift`] | Return true if this is an arithmetic shift right. | xref:llvm/Instruction/isAssociative-0d.adoc[`isAssociative`] | Return true if the instruction is associative. | xref:llvm/Instruction/isAtomic.adoc[`isAtomic`] | Return true if this instruction has an AtomicOrdering of unordered or higher. | xref:llvm/Instruction/isBinaryOp-01.adoc[`isBinaryOp`] | Return true if this instruction is a binary operator. | xref:llvm/Instruction/isBitwiseLogicOp-058.adoc[`isBitwiseLogicOp`] | Return true if this is and/or/xor. | xref:llvm/Instruction/isCast-0a.adoc[`isCast`] | Return true if this instruction is a cast. | xref:llvm/Instruction/isCommutableOperand.adoc[`isCommutableOperand`] | Return true if operand `Op` may be swapped in this commutative instruction. | xref:llvm/Instruction/isCommutative-0e.adoc[`isCommutative`] | Return true if the instruction is commutative. | xref:llvm/Instruction/isDebugOrPseudoInst.adoc[`isDebugOrPseudoInst`] | Return true if the instruction is a DbgInfoIntrinsic or PseudoProbeInst. | xref:llvm/User/isDroppable.adoc[`isDroppable`] | Return whether this user's uses may be dropped without affecting correctness. | xref:llvm/Instruction/isEHPad.adoc[`isEHPad`] | Return true if the instruction is a variety of EH‐block. | xref:llvm/Instruction/isExact.adoc[`isExact`] | Determine whether the exact flag is set. | xref:llvm/Instruction/isFPDivRem-0a.adoc[`isFPDivRem`] | Return true if this instruction is a floating‐point division or remainder. | xref:llvm/Instruction/isFast.adoc[`isFast`] | Determine whether all fast‐math‐flags are set. | xref:llvm/Instruction/isFenceLike.adoc[`isFenceLike`] | Return true if this instruction behaves like a memory fence. | xref:llvm/Instruction/isFuncletPad-08.adoc[`isFuncletPad`] | Return true if this instruction is a funclet pad. | xref:llvm/Instruction/isIdempotent-07.adoc[`isIdempotent`] | Return true if the instruction is idempotent. | xref:llvm/Instruction/isIdenticalTo.adoc[`isIdenticalTo`] | Return true if `I` is exactly identical to this instruction. | xref:llvm/Instruction/isIdenticalToWhenDefined.adoc[`isIdenticalToWhenDefined`] | Return true if `I` matches this instruction ignoring undefined‐result flags. | xref:llvm/Instruction/isIntDivRem-01.adoc[`isIntDivRem`] | Return true if this instruction is an integer division or remainder. | xref:llvm/CastInst/isIntegerCast.adoc[`isIntegerCast`] | Return true if this cast uses only integer types. | xref:llvm/Instruction/isLaunderOrStripInvariantGroup.adoc[`isLaunderOrStripInvariantGroup`] | Return true if the instruction is a llvm.launder.invariant.group or llvm.strip.invariant.group. | xref:llvm/Instruction/isLifetimeStartOrEnd.adoc[`isLifetimeStartOrEnd`] | Return true if the instruction is a llvm.lifetime.start or llvm.lifetime.end marker. | xref:llvm/Instruction/isLogicalShift.adoc[`isLogicalShift`] | Return true if this is a logical shift left or a logical shift right. | xref:llvm/Instruction/isNilpotent-05.adoc[`isNilpotent`] | Return true if the instruction is nilpotent. | xref:llvm/CastInst/isNoopCast-0c3.adoc[`isNoopCast`] | Return true if this cast changes no bits. | xref:llvm/Instruction/isOnlyUserOfAnyOperand.adoc[`isOnlyUserOfAnyOperand`] | Return true if this instruction is the only user of at least one operand. | xref:llvm/Instruction/isSafeToRemove.adoc[`isSafeToRemove`] | Return true if the instruction can be removed if the result is unused. | xref:llvm/Instruction/isSameOperationAs.adoc[`isSameOperationAs`] | Return true if `I` executes the same operation as this instruction. | xref:llvm/Instruction/isShift-05.adoc[`isShift`] | Return true if this instruction is a shift. | xref:llvm/Instruction/isSpecialTerminator-07.adoc[`isSpecialTerminator`] | Return true if this instruction is a special terminator. | xref:llvm/Value/isSwiftError.adoc[`isSwiftError`] | Return true if this value is a swifterror value. | xref:llvm/Instruction/isTerminator-02.adoc[`isTerminator`] | Return true if this instruction is a terminator. | xref:llvm/Instruction/isUnaryOp-08.adoc[`isUnaryOp`] | Return true if this instruction is a unary operator. | xref:llvm/Value/isUsedByMetadata.adoc[`isUsedByMetadata`] | Return true if there is metadata referencing this value. | xref:llvm/Value/isUsedInBasicBlock.adoc[`isUsedInBasicBlock`] | Check if this value is used in the specified basic block. | xref:llvm/Instruction/isUsedOutsideOfBlock.adoc[`isUsedOutsideOfBlock`] | Return true if any use of this instruction is outside `BB.` | xref:llvm/Instruction/isVolatile.adoc[`isVolatile`] | Return true if this instruction has a volatile memory access. | xref:llvm/Value/materialized_use_begin-00.adoc[`materialized_use_begin`] | `materialized_use_begin` overloads | xref:llvm/Value/materialized_use_empty.adoc[`materialized_use_empty`] | Return true if there are no currently materialized uses. | xref:llvm/Value/materialized_user_begin-0a.adoc[`materialized_user_begin`] | `materialized_user_begin` overloads | xref:llvm/Value/materialized_users-01.adoc[`materialized_users`] | `materialized_users` overloads | xref:llvm/Value/materialized_uses-08.adoc[`materialized_uses`] | `materialized_uses` overloads | xref:llvm/Instruction/mayHaveSideEffects.adoc[`mayHaveSideEffects`] | Return true if the instruction may have side effects. | xref:llvm/Instruction/mayReadFromMemory.adoc[`mayReadFromMemory`] | Return true if this instruction may read memory. | xref:llvm/Instruction/mayReadOrWriteMemory.adoc[`mayReadOrWriteMemory`] | Return true if this instruction may read or write memory. | xref:llvm/Instruction/maySynchronize.adoc[`maySynchronize`] | Return true if this instruction may synchronize. | xref:llvm/Instruction/mayThrow.adoc[`mayThrow`] | Return true if this instruction may throw an exception. | xref:llvm/Instruction/mayWriteToMemory.adoc[`mayWriteToMemory`] | Return true if this instruction may modify memory. | xref:llvm/Instruction/mergeDIAssignID.adoc[`mergeDIAssignID`] | Merge DIAssignID metadata from this instruction and `SourceInstructions.` | xref:llvm/Instruction/moveAfter-04.adoc[`moveAfter`] | Unlink this instruction from its current basic block and insert it into the basic block that MovePos lives in, right after MovePos. | xref:llvm/Instruction/moveAfterPreserving.adoc[`moveAfterPreserving`] | Move this instruction after `MovePos` while preserving instruction order. | xref:llvm/Instruction/moveBefore-0e0.adoc[`moveBefore`] | `moveBefore` overloads | xref:llvm/Instruction/moveBeforePreserving-003.adoc[`moveBeforePreserving`] | `moveBeforePreserving` overloads | xref:llvm/Value/mutateType.adoc[`mutateType`] | Mutate the type of this Value to be of the specified type. | xref:llvm/UnaryInstruction/op_begin-00.adoc[`op_begin`] | `op_begin` overloads | xref:llvm/UnaryInstruction/op_end-03.adoc[`op_end`] | `op_end` overloads | xref:llvm/User/operand_values-09.adoc[`operand_values`] | `operand_values` overloads | xref:llvm/User/operands-06.adoc[`operands`] | `operands` overloads | xref:llvm/UnaryInstruction/operator_del-07.adoc[`operator delete`] | Delete operators | xref:llvm/UnaryInstruction/operator_new.adoc[`operator new`] | Allocate a unary instruction with space for its single operand. | xref:llvm/Value/print-0f.adoc[`print`] | `print` overloads | xref:llvm/Value/printAsOperand-07.adoc[`printAsOperand`] | `printAsOperand` overloads | xref:llvm/Instruction/removeFromParent.adoc[`removeFromParent`] | This method unlinks 'this' from the containing basic block, but does not delete it. | xref:llvm/Value/replaceAllUsesWith.adoc[`replaceAllUsesWith`] | Change all uses of this to point to a new Value. | xref:llvm/Value/replaceNonMetadataUsesWith.adoc[`replaceNonMetadataUsesWith`] | Change non‐metadata uses of this to point to a new Value. | xref:llvm/Instruction/replaceSuccessorWith.adoc[`replaceSuccessorWith`] | Replace successor `OldBB` with `NewBB.` | xref:llvm/User/replaceUsesOfWith.adoc[`replaceUsesOfWith`] | Replace uses of one Value with another. | xref:llvm/Value/replaceUsesOutsideBlock.adoc[`replaceUsesOutsideBlock`] | Replace uses of this value that occur outside `BB` with `V.` | xref:llvm/Value/replaceUsesWithIf.adoc[`replaceUsesWithIf`] | Replace selected uses of this value with `New.` | xref:llvm/Value/reverseUseList.adoc[`reverseUseList`] | Reverse the use‐list. | xref:llvm/Instruction/setAAMetadata.adoc[`setAAMetadata`] | Set the AA metadata on this instruction from the AAMDNodes structure. | xref:llvm/Instruction/setDebugLoc.adoc[`setDebugLoc`] | Set the debug location information for this instruction. | xref:llvm/Instruction/setFast.adoc[`setFast`] | Set or clear all fast‐math‐flags on this instruction. | xref:llvm/Instruction/setFastMathFlags.adoc[`setFastMathFlags`] | Set multiple fast‐math flags on this instruction. | xref:llvm/Instruction/setHasAllowContract.adoc[`setHasAllowContract`] | Set or clear the allow‐contract flag on this instruction. | xref:llvm/Instruction/setHasAllowReassoc.adoc[`setHasAllowReassoc`] | Set or clear the reassociation flag on this instruction. | xref:llvm/Instruction/setHasAllowReciprocal.adoc[`setHasAllowReciprocal`] | Set or clear the allow‐reciprocal flag on this instruction. | xref:llvm/Instruction/setHasApproxFunc.adoc[`setHasApproxFunc`] | Set or clear the approximate‐math‐functions flag on this instruction. | xref:llvm/Instruction/setHasNoInfs.adoc[`setHasNoInfs`] | Set or clear the no‐infs flag on this instruction. | xref:llvm/Instruction/setHasNoNaNs.adoc[`setHasNoNaNs`] | Set or clear the no‐nans flag on this instruction. | xref:llvm/Instruction/setHasNoSignedWrap.adoc[`setHasNoSignedWrap`] | Set or clear the nsw flag on this instruction. | xref:llvm/Instruction/setHasNoSignedZeros.adoc[`setHasNoSignedZeros`] | Set or clear the no‐signed‐zeros flag on this instruction. | xref:llvm/Instruction/setHasNoUnsignedWrap.adoc[`setHasNoUnsignedWrap`] | Set or clear the nuw flag on this instruction. | xref:llvm/Instruction/setIsExact.adoc[`setIsExact`] | Set or clear the exact flag on this instruction. | xref:llvm/Instruction/setMetadata-03.adoc[`setMetadata`] | `setMetadata` overloads | xref:llvm/Value/setName.adoc[`setName`] | Change the name of the value. | xref:llvm/Instruction/setNoSanitizeMetadata.adoc[`setNoSanitizeMetadata`] | Sets the nosanitize metadata on this instruction. | xref:llvm/Instruction/setNonNeg.adoc[`setNonNeg`] | Set or clear the nneg flag on this instruction. | xref:llvm/User/setNumHungOffUseOperands.adoc[`setNumHungOffUseOperands`] | Set the operand count for a User with hung‐off uses. | xref:llvm/UnaryInstruction/setOperand.adoc[`setOperand`] | Set operand at index `i_nocapture` to `Val_nocapture.` | xref:llvm/Instruction/setSuccessor.adoc[`setSuccessor`] | Update the successor at index `Idx` to point at `BB.` | xref:llvm/Value/setValueName.adoc[`setValueName`] | Set the symbol‐table name entry for this value. | xref:llvm/Value/sortUseList.adoc[`sortUseList`] | Sort the use‐list. | xref:llvm/Value/stripAndAccumulateConstantOffsets-06.adoc[`stripAndAccumulateConstantOffsets`] | `stripAndAccumulateConstantOffsets` overloads | xref:llvm/Value/stripAndAccumulateInBoundsConstantOffsets-0b.adoc[`stripAndAccumulateInBoundsConstantOffsets`] | `stripAndAccumulateInBoundsConstantOffsets` overloads | xref:llvm/Value/stripInBoundsConstantOffsets-0c.adoc[`stripInBoundsConstantOffsets`] | `stripInBoundsConstantOffsets` overloads | xref:llvm/Value/stripInBoundsOffsets-00.adoc[`stripInBoundsOffsets`] | `stripInBoundsOffsets` overloads | xref:llvm/Value/stripPointerCasts-0e1.adoc[`stripPointerCasts`] | `stripPointerCasts` overloads | xref:llvm/Value/stripPointerCastsAndAliases-00.adoc[`stripPointerCastsAndAliases`] | `stripPointerCastsAndAliases` overloads | xref:llvm/Value/stripPointerCastsForAliasAnalysis-07.adoc[`stripPointerCastsForAliasAnalysis`] | `stripPointerCastsForAliasAnalysis` overloads | xref:llvm/Value/stripPointerCastsSameRepresentation-0e.adoc[`stripPointerCastsSameRepresentation`] | `stripPointerCastsSameRepresentation` overloads | xref:llvm/Instruction/successors-05.adoc[`successors`] | `successors` overloads | xref:llvm/Instruction/swapProfMetadata.adoc[`swapProfMetadata`] | If the instruction has "branch_weights" MD_prof metadata and the MDNode has three operands (including name string), swap the order of the metadata. | xref:llvm/Value/takeName.adoc[`takeName`] | Transfer the name from V to this value. | xref:llvm/Instruction/updateLocationAfterHoist.adoc[`updateLocationAfterHoist`] | Update the debug location after hoisting this instruction to a predecessor. | xref:llvm/Value/use_begin-011.adoc[`use_begin`] | `use_begin` overloads | xref:llvm/Value/use_empty.adoc[`use_empty`] | Return true if this value has no uses. | xref:llvm/Value/use_end-0e.adoc[`use_end`] | `use_end` overloads | xref:llvm/Instruction/user_back-03.adoc[`user_back`] | `user_back` overloads | xref:llvm/Value/user_begin-07.adoc[`user_begin`] | Return an iterator to the first user of this value. | xref:llvm/Value/user_empty.adoc[`user_empty`] | Return true if this value has no users. | xref:llvm/Value/user_end-02.adoc[`user_end`] | `user_end` overloads | xref:llvm/Value/users-00.adoc[`users`] | `users` overloads | xref:llvm/Value/uses-01.adoc[`uses`] | `uses` overloads | xref:llvm/User/value_op_begin-03.adoc[`value_op_begin`] | `value_op_begin` overloads | xref:llvm/User/value_op_end-0e.adoc[`value_op_end`] | `value_op_end` overloads | xref:llvm/Instruction/willReturn.adoc[`willReturn`] | Return true if the instruction will return. |=== == Static Member Functions [cols="1,4"] |=== | Name| Description | xref:llvm/CastInst/Create.adoc[`Create`] | Construct any CastInst subclass from an opcode. | xref:llvm/CastInst/CreateBitOrPointerCast.adoc[`CreateBitOrPointerCast`] | Create a bitcast, pointer‐to‐integer, or integer‐to‐pointer cast. | xref:llvm/CastInst/CreateFPCast.adoc[`CreateFPCast`] | Create a floating‐point extension, bitcast, or truncation. | xref:llvm/CastInst/CreateIntegerCast.adoc[`CreateIntegerCast`] | Create a zero‐extension, bitcast, or truncation for integer casts. | xref:llvm/CastInst/CreatePointerBitCastOrAddrSpaceCast.adoc[`CreatePointerBitCastOrAddrSpaceCast`] | Create a bitcast or address‐space cast instruction. | xref:llvm/CastInst/CreatePointerCast.adoc[`CreatePointerCast`] | Create a bitcast, address‐space cast, or pointer‐to‐integer cast. | xref:llvm/CastInst/CreateSExtOrBitCast.adoc[`CreateSExtOrBitCast`] | Create a sign‐extension or bitcast cast instruction. | xref:llvm/CastInst/CreateTruncOrBitCast.adoc[`CreateTruncOrBitCast`] | Create a truncation or bitcast cast instruction. | xref:llvm/CastInst/CreateZExtOrBitCast.adoc[`CreateZExtOrBitCast`] | Create a zero‐extension or bitcast cast instruction. | xref:llvm/CastInst/castIsValid-0b.adoc[`castIsValid`] | `castIsValid` overloads | xref:llvm/PtrToAddrInst/classof-08.adoc[`classof`] | Methods for support type inquiry through isa, cast, and dyn_cast. | xref:llvm/Value/dropDroppableUse.adoc[`dropDroppableUse`] | Remove the droppable use `U.` | xref:llvm/CastInst/getCastOpcode.adoc[`getCastOpcode`] | Infer the cast opcode for a value and destination type. | xref:llvm/Instruction/getOpcodeName-0a.adoc[`getOpcodeName`] | Return the mnemonic name for the given opcode (e.g. "add", "ret"). | xref:llvm/PtrToAddrInst/getPointerOperandIndex.adoc[`getPointerOperandIndex`] | Gets the operand index of the pointer operand. | xref:llvm/Instruction/isAssociative-02.adoc[`isAssociative`] | Return true if `Opcode` is an associative binary operator. | xref:llvm/Instruction/isBinaryOp-06.adoc[`isBinaryOp`] | Return true if the opcode is a binary operator. | xref:llvm/CastInst/isBitCastable.adoc[`isBitCastable`] | Check whether a bitcast between two types is valid. | xref:llvm/CastInst/isBitOrNoopPointerCastable.adoc[`isBitOrNoopPointerCastable`] | Check whether a no‐op bitcast or pointer cast is valid. | xref:llvm/Instruction/isBitwiseLogicOp-05e.adoc[`isBitwiseLogicOp`] | Return true if `Opcode` is and/or/xor. | xref:llvm/Instruction/isCast-07.adoc[`isCast`] | Return true if `Opcode` is one of the CastInst instructions. | xref:llvm/Instruction/isCommutative-0a.adoc[`isCommutative`] | Return true if `Opcode` is a commutative binary operator. | xref:llvm/CastInst/isEliminableCastPair.adoc[`isEliminableCastPair`] | Return the opcode that replaces an eliminable cast pair. | xref:llvm/Instruction/isFPDivRem-0b.adoc[`isFPDivRem`] | Return true if the opcode is a floating‐point division or remainder. | xref:llvm/Instruction/isFuncletPad-02.adoc[`isFuncletPad`] | Return true if `Opcode` is one of the FuncletPadInst instructions. | xref:llvm/Instruction/isIdempotent-0b.adoc[`isIdempotent`] | Return true if `Opcode` is an idempotent operator (And or Or in LLVM). | xref:llvm/Instruction/isIntDivRem-0b.adoc[`isIntDivRem`] | Return true if the opcode is an integer division or remainder. | xref:llvm/Instruction/isNilpotent-0c.adoc[`isNilpotent`] | Return true if `Opcode` is a nilpotent operator (Xor in LLVM). | xref:llvm/CastInst/isNoopCast-0cb.adoc[`isNoopCast`] | Return true if a cast changes no bits. | xref:llvm/Instruction/isShift-0f.adoc[`isShift`] | Return true if `Opcode` is one of the shift instructions. | xref:llvm/Instruction/isSpecialTerminator-08.adoc[`isSpecialTerminator`] | Return true if `Opcode` is a special terminator. | xref:llvm/Instruction/isTerminator-04.adoc[`isTerminator`] | Return true if the opcode is a terminator instruction. | xref:llvm/Instruction/isUnaryOp-0e.adoc[`isUnaryOp`] | Return true if the opcode is a unary operator. |=== == Data Members [cols="1,4"] |=== | Name| Description | xref:llvm/Instruction/DebugMarker.adoc[`DebugMarker`] | Optional marker for debugging information immediately before this instruction. |=== == Static Data Members [cols="1,4"] |=== | Name| Description | xref:llvm/Value/MaxAlignmentExponent.adoc[`MaxAlignmentExponent`] | The maximum alignment for instructions. | xref:llvm/Value/MaximumAlignment.adoc[`MaximumAlignment`] | Maximum absolute alignment in bytes (`1` << MaxAlignmentExponent). |=== == Protected Types [cols="1,4"] |=== | Name| Description | xref:llvm/User/AllocInfo.adoc[`AllocInfo`] | Information about how a User object was allocated, to be passed into the User constructor. | xref:llvm/User/HungOffOperandsAllocMarker.adoc[`HungOffOperandsAllocMarker`] | Indicates this User has operands "hung off" in another allocation. | xref:llvm/User/IntrusiveOperandsAllocMarker.adoc[`IntrusiveOperandsAllocMarker`] | Indicates this User has operands co‐allocated. | xref:llvm/User/IntrusiveOperandsAndDescriptorAllocMarker.adoc[`IntrusiveOperandsAndDescriptorAllocMarker`] | Indicates this User has operands and a descriptor co‐allocated . |=== == Protected Type Aliases [cols="1,4"] |=== | Name| Description | xref:llvm/Instruction/AlignmentBitfieldElementT.adoc[`AlignmentBitfieldElementT`] | Bitfield element template for an alignment at bit offset `Offset.` | xref:llvm/Instruction/AtomicOrderingBitfieldElementT.adoc[`AtomicOrderingBitfieldElementT`] | Bitfield element template for atomic ordering at bit offset `Offset.` | xref:llvm/Instruction/BoolBitfieldElementT.adoc[`BoolBitfieldElementT`] | Bitfield element template for a single boolean flag at bit offset `Offset.` | xref:llvm/Instruction/OpaqueField.adoc[`OpaqueField`] | Opaque 16‐bit bitfield covering the full Instruction subclass data. |=== == Protected Enums [cols="1,4"] |=== | Name| Description | xref:llvm/Value/_04enum.adoc[`Unnamed enum`] | The number of operands in the subclass. |=== == Protected Member Functions [cols="1,4"] |=== | Name| Description | xref:llvm/UnaryInstruction/Op-04.adoc[`Op`] | `Op` overloads | xref:llvm/Value/addMetadata-02.adoc[`addMetadata`] | `addMetadata` overloads | xref:llvm/User/allocHungoffUses.adoc[`allocHungoffUses`] | Allocate the array of Uses, followed by a pointer (with bottom bit set) to the User. | xref:llvm/Value/clearMetadata.adoc[`clearMetadata`] | Erase all metadata attached to this Value. | xref:llvm/PtrToAddrInst/cloneImpl.adoc[`cloneImpl`] | Clone an identical PtrToAddrInst. | xref:llvm/Value/eraseMetadata.adoc[`eraseMetadata`] | Erase all metadata attachments with the given kind. | xref:llvm/Value/eraseMetadataIf.adoc[`eraseMetadataIf`] | Erase all metadata attachments matching the given predicate. | xref:llvm/Value/getAllMetadata.adoc[`getAllMetadata`] | Append all metadata attached to this value into `MDs.` | xref:llvm/Value/getMetadata.adoc[`getMetadata`] | Get the current metadata attachments for the given kind, if any. | xref:llvm/Value/getMetadataImpl.adoc[`getMetadataImpl`] | Get metadata for the given kind, if any. | xref:llvm/Instruction/getSubclassData.adoc[`getSubclassData`] | Read a bitfield element from this instruction's subclass data. | xref:llvm/Value/getSubclassDataFromValue.adoc[`getSubclassDataFromValue`] | Return the opaque subclass data bits stored in this value. | xref:llvm/User/growHungoffUses.adoc[`growHungoffUses`] | Grow the number of hung off uses. Note that allocHungoffUses should be called if there are no uses. | xref:llvm/User/operator_new-07cc.adoc[`operator new`] | New operators | xref:llvm/Value/setMetadata-06.adoc[`setMetadata`] | `setMetadata` overloads | xref:llvm/Instruction/setSubclassData.adoc[`setSubclassData`] | Store a bitfield element into this instruction's subclass data. | xref:llvm/Value/setValueSubclassData.adoc[`setValueSubclassData`] | Set the opaque subclass data bits stored in this value. |=== == Protected Static Member Functions [cols="1,4"] |=== | Name| Description | xref:llvm/User/OpFrom.adoc[`OpFrom`] | Return the operand Use at compile‐time index `Idx` from `that.` |=== == Protected Data Members [cols="1,4"] |=== | Name| Description | xref:llvm/Value/HasDescriptor.adoc[`HasDescriptor`] | True if this value has a descriptor. | xref:llvm/Value/HasHungOffUses.adoc[`HasHungOffUses`] | Whether operands are stored in a separately allocated array. | xref:llvm/Value/HasName-00.adoc[`HasName`] | True if this value has a name in the symbol table. | xref:llvm/Value/IsUsedByMD.adoc[`IsUsedByMD`] | True if metadata references this value. | xref:llvm/Value/NumUserOperands.adoc[`NumUserOperands`] | Number of operands in this user. | xref:llvm/Value/SubclassOptionalData.adoc[`SubclassOptionalData`] | Hold arbitary subclass data. |=== == Friends [cols="1,4"] |=== | Name| Description | `xref:llvm/Instruction.adoc[llvm::Instruction]` | Base class for all LLVM IR instructions. |=== == Non-Member Functions [cols="1,4"] |=== | Name| Description | xref:llvm/ComputeMaxSignificantBits.adoc[`ComputeMaxSignificantBits`] | Get the upper bound on bit size for this Value `Op` as a signed integer. | xref:llvm/ComputeNumSignBits.adoc[`ComputeNumSignBits`] | Return the number of times the sign bit of the register is replicated into the other bits. | xref:llvm/ConstantFoldInstOperands.adoc[`ConstantFoldInstOperands`] | Attempt to constant fold an instruction with the specified operands. | xref:llvm/ConstantFoldInstruction.adoc[`ConstantFoldInstruction`] | Try to constant fold the specified instruction. | xref:llvm/DemoteRegToStack.adoc[`DemoteRegToStack`] | Demote an instruction's virtual register to a stack slot. | xref:llvm/ExtractTypeInfo.adoc[`ExtractTypeInfo`] | ExtractTypeInfo ‐ Returns the type info, possibly bitcast, encoded in V. | xref:llvm/FindEarliestCapture.adoc[`FindEarliestCapture`] | Find the earliest instruction that captures `V` in `F.` | xref:llvm/FindInsertedValue.adoc[`FindInsertedValue`] | Given an aggregate and a sequence of indices, see if the scalar value indexed is already around as a register. | xref:llvm/GetPointerBaseWithConstantOffset-038.adoc[`GetPointerBaseWithConstantOffset`] | Analyze the specified pointer to see if it can be expressed as a base pointer plus a constant offset. Return the base and offset to the caller. | xref:llvm/GetPointerBaseWithConstantOffset-039.adoc[`GetPointerBaseWithConstantOffset`] | Const overload of GetPointerBaseWithConstantOffset. | xref:llvm/GetStringLength.adoc[`GetStringLength`] | If we can compute the length of the string pointed to by the specified pointer, return 'len+1'. If we can't, return 0. | xref:llvm/MapValue-00.adoc[`MapValue`] | Look up or compute a value in the value map. | xref:llvm/MaskedValueIsZero.adoc[`MaskedValueIsZero`] | Return true if 'V & Mask' is known to be zero. We use this predicate to simplify operations downstream. Mask is known to be zero for bits that V cannot have. | xref:llvm/PointerMayBeCaptured-00.adoc[`PointerMayBeCaptured`] | Visit a pointer and derived values to find capturing uses. | xref:llvm/PointerMayBeCaptured-02c.adoc[`PointerMayBeCaptured`] | Return which components of the pointer may be captured. | xref:llvm/PointerMayBeCaptured-0d.adoc[`PointerMayBeCaptured`] | Return true if this pointer may be captured by the enclosing function. | xref:llvm/PointerMayBeCapturedBefore-08.adoc[`PointerMayBeCapturedBefore`] | Return true if this pointer may be captured before a given instruction. | xref:llvm/PointerMayBeCapturedBefore-0c.adoc[`PointerMayBeCapturedBefore`] | Return which components of the pointer may be captured on the path to `I.` | xref:llvm/RecursivelyDeleteTriviallyDeadInstructions-0d.adoc[`RecursivelyDeleteTriviallyDeadInstructions`] | Recursively delete a trivially dead instruction and its dead operands. | xref:llvm/RemapInstruction.adoc[`RemapInstruction`] | Convert the instruction operands from referencing the current values into those specified by VM. | xref:llvm/RemapSourceAtom.adoc[`RemapSourceAtom`] | Remap the source‐location atom of instruction `I.` | xref:llvm/ReplaceInstWithInst-01.adoc[`ReplaceInstWithInst`] | Replace one instruction with another and copy its debug location. | xref:llvm/SplitBlockAndInsertForEachLane-09.adoc[`SplitBlockAndInsertForEachLane`] | Invoke a callback once for each lane up to an effective vector length. | xref:llvm/SplitBlockAndInsertIfElse-09.adoc[`SplitBlockAndInsertIfElse`] | Split a block and insert an else‐branch at an instruction. | xref:llvm/SplitBlockAndInsertIfElse-0b.adoc[`SplitBlockAndInsertIfElse`] | Split a block and insert a conditional else‐branch around the split point. | xref:llvm/SplitBlockAndInsertIfThen-07.adoc[`SplitBlockAndInsertIfThen`] | Split a block and insert a then‐branch at an instruction. | xref:llvm/SplitBlockAndInsertIfThen-0b.adoc[`SplitBlockAndInsertIfThen`] | Split a block and insert a conditional then‐branch around the split point. | xref:llvm/SplitBlockAndInsertIfThenElse-09.adoc[`SplitBlockAndInsertIfThenElse`] | Split a block and insert optional then/else blocks around the split point. | xref:llvm/SplitBlockAndInsertIfThenElse-0a.adoc[`SplitBlockAndInsertIfThenElse`] | Split a block and insert optional then/else blocks at an instruction. | xref:llvm/SplitBlockAndInsertIfThenElse-0c3.adoc[`SplitBlockAndInsertIfThenElse`] | Split a block and insert both then and else branches around the split point. | xref:llvm/SplitBlockAndInsertIfThenElse-0c7.adoc[`SplitBlockAndInsertIfThenElse`] | Split a block and insert then/else branches at an instruction. | xref:llvm/SplitBlockAndInsertSimpleForLoop.adoc[`SplitBlockAndInsertSimpleForLoop`] | Insert a simple counted for‐loop at a split point. | xref:llvm/SplitCriticalEdge-07.adoc[`SplitCriticalEdge`] | Split a critical edge from a terminator to one of its successors. | xref:llvm/SplitKnownCriticalEdge.adoc[`SplitKnownCriticalEdge`] | Split an edge that is already known to be critical. | xref:llvm/adaptNoAliasScopes.adoc[`adaptNoAliasScopes`] | Adapt an instruction's noalias metadata using a scope map. | xref:llvm/addDiffRuntimeChecks.adoc[`addDiffRuntimeChecks`] | Add runtime checks that compare pointer differences against a distance. | xref:llvm/addRuntimeChecks.adoc[`addRuntimeChecks`] | Add code that checks at runtime if the accessed arrays in `PointerChecks` overlap. Returns the final comparator value or NULL if no check is needed. | xref:llvm/applyProfMetadataIfEnabled.adoc[`applyProfMetadataIfEnabled`] | Apply a metadata callback if `V` is an instruction and profiling is enabled. | xref:llvm/assumeBundleImpliesNonNull.adoc[`assumeBundleImpliesNonNull`] | Return true if the given assume operand bundle implies that `Val` is non‐null. | xref:llvm/buildAssumeFromInst.adoc[`buildAssumeFromInst`] | Build an llvm.assume call preserving information derived from an instruction. | xref:llvm/canInstructionHaveMMRAs.adoc[`canInstructionHaveMMRAs`] | Return true if `I` can have !mmra metadata. | xref:llvm/canReplaceOperandWithVariable.adoc[`canReplaceOperandWithVariable`] | Return true if an operand may legally be replaced with a variable. | xref:llvm/canReplacePointersIfEqual.adoc[`canReplacePointersIfEqual`] | Returns true if pointer `From` can be replaced with equal pointer `To.` | xref:llvm/canSinkOrHoistInst.adoc[`canSinkOrHoistInst`] | Return true if `I` may legally be sunk or hoisted, ignoring faults. | xref:llvm/cannotBeNegativeZero.adoc[`cannotBeNegativeZero`] | Return true if we can prove that the specified FP value is never equal to ‐0.0. Users should use caution when considering PreserveSign denormal‐fp‐math. | xref:llvm/cannotBeOrderedLessThanZero.adoc[`cannotBeOrderedLessThanZero`] | Return true if we can prove that the specified FP value is either NaN or never less than ‐0.0. | xref:llvm/changeToUnreachable.adoc[`changeToUnreachable`] | Insert unreachable before an instruction and make the rest of the block dead. | xref:llvm/classifyEHPersonality.adoc[`classifyEHPersonality`] | See if the given exception handling personality function is one that we understand. If so, return a description of it; otherwise return Unknown. | xref:llvm/collectPossibleValues.adoc[`collectPossibleValues`] | Enumerate immediate constant values of `V` into `Constants.` | xref:llvm/combineAAMetadata.adoc[`combineAAMetadata`] | Combine alias‐analysis metadata after merging memory accesses. | xref:llvm/combineMetadataForCSE.adoc[`combineMetadataForCSE`] | Combine metadata so one instruction can replace another after CSE. | xref:llvm/computeConstantRange.adoc[`computeConstantRange`] | Determine the possible constant range of an integer or vector of integer value. This is intended as a cheap, non‐recursive check. | xref:llvm/computeKnownBits-02f.adoc[`computeKnownBits`] | Returns the known bits rather than passing by reference. | xref:llvm/computeKnownBits-030.adoc[`computeKnownBits`] | Determine which bits of V are known to be either zero or one and return them in the KnownZero/KnownOne bit sets. | xref:llvm/computeKnownBits-03a.adoc[`computeKnownBits`] | Returns the known bits rather than passing by reference. | xref:llvm/computeKnownBits-084.adoc[`computeKnownBits`] | Compute known bits for the demanded elements of `V` using `Q.` | xref:llvm/computeKnownBits-08f.adoc[`computeKnownBits`] | Compute known bits for `V` into `Known` using the simplify query `Q.` | xref:llvm/computeKnownBits-0d.adoc[`computeKnownBits`] | Compute known bits for `V` using the simplify query `Q.` | xref:llvm/computeKnownBitsFromContext.adoc[`computeKnownBitsFromContext`] | Merge bits known from context‐dependent facts into Known. | xref:llvm/computeKnownFPClass-00.adoc[`computeKnownFPClass`] | Wrapper to account for known fast math flags at the use instruction. | xref:llvm/computeKnownFPClass-01.adoc[`computeKnownFPClass`] | Determine known floating‐point classes for `V.` | xref:llvm/computeKnownFPClass-07.adoc[`computeKnownFPClass`] | Wrapper to account for known fast math flags at the use instruction. | xref:llvm/computeKnownFPClass-0a.adoc[`computeKnownFPClass`] | Determine which floating‐point classes are valid for `V,` and return them in KnownFPClass bit sets. | xref:llvm/computeKnownFPClass-0c.adoc[`computeKnownFPClass`] | Determine known floating‐point classes for `V` using explicit analysis context. | xref:llvm/computeKnownFPSignBit.adoc[`computeKnownFPSignBit`] | Return the known sign bit of a floating‐point value, if provable. | xref:llvm/computeOverflowForSignedMul.adoc[`computeOverflowForSignedMul`] | Compute whether a signed multiply of `LHS` and `RHS` can overflow. | xref:llvm/computeOverflowForSignedSub.adoc[`computeOverflowForSignedSub`] | Compute whether a signed subtract of `LHS` and `RHS` can overflow. | xref:llvm/computeOverflowForUnsignedMul.adoc[`computeOverflowForUnsignedMul`] | Compute whether an unsigned multiply of `LHS` and `RHS` can overflow. | xref:llvm/computeOverflowForUnsignedSub.adoc[`computeOverflowForUnsignedSub`] | Compute whether an unsigned subtract of `LHS` and `RHS` can overflow. | xref:llvm/createMemCpyLoopKnownSize.adoc[`createMemCpyLoopKnownSize`] | Emit a loop implementing llvm.memcpy when the size is a constant. | xref:llvm/createMemCpyLoopUnknownSize.adoc[`createMemCpyLoopUnknownSize`] | Emit a loop implementing llvm.memcpy when the size is not a constant. | xref:llvm/decomposeBitTest.adoc[`decomposeBitTest`] | Decompose an icmp into the form ((X & Mask) pred C) if possible. | xref:llvm/decomposeBitTestICmp.adoc[`decomposeBitTestICmp`] | Decompose an icmp into the form ((X & Mask) pred C) if possible. | xref:llvm/dropDebugUsers.adoc[`dropDebugUsers`] | Remove debug intrinsic instructions for a given instruction. | xref:llvm/emitBCmp.adoc[`emitBCmp`] | Emit a call to the bcmp function. | xref:llvm/emitBinaryFloatFnCall-09.adoc[`emitBinaryFloatFnCall`] | Emit a call to the binary floating‐point libcall named Name. | xref:llvm/emitBinaryFloatFnCall-0a.adoc[`emitBinaryFloatFnCall`] | Emit a call to the binary DoubleFn, FloatFn, or LongDoubleFn for Op1's type. | xref:llvm/emitCalloc.adoc[`emitCalloc`] | Emit a call to the calloc function. | xref:llvm/emitFPutC.adoc[`emitFPutC`] | Emit a call to fputc with an int Char and a FILE pointer. | xref:llvm/emitFPutS.adoc[`emitFPutS`] | Emit a call to fputs with a string pointer and a FILE pointer. | xref:llvm/emitFWrite.adoc[`emitFWrite`] | Emit a call to fwrite with a pointer, size_t Size, and FILE pointer. | xref:llvm/emitHotColdNew.adoc[`emitHotColdNew`] | Emit a call to the hot/cold operator new function. | xref:llvm/emitHotColdNewAligned.adoc[`emitHotColdNewAligned`] | Emit a call to the hot/cold aligned operator new function. | xref:llvm/emitHotColdNewAlignedNoThrow.adoc[`emitHotColdNewAlignedNoThrow`] | Emit a call to the hot/cold aligned nothrow operator new function. | xref:llvm/emitHotColdNewNoThrow.adoc[`emitHotColdNewNoThrow`] | Emit a call to the hot/cold nothrow operator new function. | xref:llvm/emitHotColdSizeReturningNew.adoc[`emitHotColdSizeReturningNew`] | Emit a call to the hot/cold size‐returning operator new function. | xref:llvm/emitHotColdSizeReturningNewAligned.adoc[`emitHotColdSizeReturningNewAligned`] | Emit a call to the hot/cold size‐returning aligned operator new function. | xref:llvm/emitMalloc.adoc[`emitMalloc`] | Emit a call to the malloc function. | xref:llvm/emitMemCCpy.adoc[`emitMemCCpy`] | Emit a call to the memccpy function. | xref:llvm/emitMemChr.adoc[`emitMemChr`] | Emit a call to memchr with a pointer, int Val, and size_t Len. | xref:llvm/emitMemCmp.adoc[`emitMemCmp`] | Emit a call to the memcmp function. | xref:llvm/emitMemCpyChk.adoc[`emitMemCpyChk`] | Emit a call to __memcpy_chk with size_t Len/ObjSize and pointer Dst/Src. | xref:llvm/emitMemPCpy.adoc[`emitMemPCpy`] | Emit a call to the mempcpy function. | xref:llvm/emitMemRChr.adoc[`emitMemRChr`] | Emit a call to the memrchr function, analogously to emitMemChr. | xref:llvm/emitPutChar.adoc[`emitPutChar`] | Emit a call to putchar, assuming Char is an int. | xref:llvm/emitPutS.adoc[`emitPutS`] | Emit a call to puts, assuming Str is some pointer. | xref:llvm/emitSNPrintf.adoc[`emitSNPrintf`] | Emit a call to the snprintf function. | xref:llvm/emitSPrintf.adoc[`emitSPrintf`] | Emit a call to the sprintf function. | xref:llvm/emitStpCpy.adoc[`emitStpCpy`] | Emit a call to stpcpy for the specified pointer arguments. | xref:llvm/emitStpNCpy.adoc[`emitStpNCpy`] | Emit a call to stpncpy for the specified pointer arguments and length. | xref:llvm/emitStrCat.adoc[`emitStrCat`] | Emit a call to the strcat function. | xref:llvm/emitStrChr.adoc[`emitStrChr`] | Emit a call to strchr for the specified pointer and character. | xref:llvm/emitStrCpy.adoc[`emitStrCpy`] | Emit a call to strcpy for the specified pointer arguments. | xref:llvm/emitStrDup.adoc[`emitStrDup`] | Emit a call to strdup for the specified pointer. | xref:llvm/emitStrLCat.adoc[`emitStrLCat`] | Emit a call to the strlcat function. | xref:llvm/emitStrLCpy.adoc[`emitStrLCpy`] | Emit a call to the strlcpy function. | xref:llvm/emitStrLen.adoc[`emitStrLen`] | Emit a call to strlen for the specified pointer. | xref:llvm/emitStrNCat.adoc[`emitStrNCat`] | Emit a call to the strncat function. | xref:llvm/emitStrNCmp.adoc[`emitStrNCmp`] | Emit a call to the strncmp function to the builder. | xref:llvm/emitStrNCpy.adoc[`emitStrNCpy`] | Emit a call to strncpy for the specified pointer arguments and length. | xref:llvm/emitUnaryFloatFnCall-00.adoc[`emitUnaryFloatFnCall`] | Emit a call to the unary DoubleFn, FloatFn, or LongDoubleFn for Op's type. | xref:llvm/emitUnaryFloatFnCall-04.adoc[`emitUnaryFloatFnCall`] | Emit a call to the unary floating‐point libcall named Name. | xref:llvm/emitVSNPrintf.adoc[`emitVSNPrintf`] | Emit a call to the vsnprintf function. | xref:llvm/emitVSPrintf.adoc[`emitVSPrintf`] | Emit a call to the vsprintf function. | xref:llvm/emitWcsLen.adoc[`emitWcsLen`] | Emit a call to wcslen for the specified pointer. | xref:llvm/extractBranchWeights-0e8.adoc[`extractBranchWeights`] | Extract branch weights attatched to an Instruction | xref:llvm/extractBranchWeights-0e9.adoc[`extractBranchWeights`] | Extract branch weights from a conditional branch or select Instruction. | xref:llvm/extractProbe.adoc[`extractProbe`] | Extract the pseudo probe stored on `Inst,` if present. | xref:llvm/extractProfTotalWeight-08.adoc[`extractProfTotalWeight`] | Retrieve the total of all weights from an instruction. | xref:llvm/extractWidenableCondition.adoc[`extractWidenableCondition`] | Returns the widenable condition in `U's` expression tree, if uniquely used. | xref:llvm/findAllocaForValue-005.adoc[`findAllocaForValue`] | Const overload of findAllocaForValue. | xref:llvm/findAllocaForValue-0c.adoc[`findAllocaForValue`] | Returns unique alloca where the value comes from, or nullptr. If OffsetZero is true check that V points to the begining of the alloca. | xref:llvm/findDVRDeclareValues.adoc[`findDVRDeclareValues`] | As above, for DVRDeclareValues. | xref:llvm/findDVRDeclares.adoc[`findDVRDeclares`] | Finds dbg.declare records declaring local variables as living in the memory that 'V' points to. | xref:llvm/findDVRValues.adoc[`findDVRValues`] | As above, for DVRValues. | xref:llvm/findDbgUsers.adoc[`findDbgUsers`] | Finds the debug info records describing a value. | xref:llvm/findDbgValues.adoc[`findDbgValues`] | Finds the dbg.values describing a value. | xref:llvm/findScalarElement.adoc[`findScalarElement`] | Given a vector and an element number, see if the scalar value is already around as a register, for example if it were inserted then extracted from the vector. | xref:llvm/findValuesAffectedByCondition.adoc[`findValuesAffectedByCondition`] | Call `InsertAffected` on all Values whose known bits / value may be affected by the condition `Cond.` Used by AssumptionCache and DomConditionCache. | xref:llvm/gep_type_begin-00.adoc[`gep_type_begin`] | Return a begin iterator over the types indexed by GEP `GEP.` | xref:llvm/gep_type_begin-0d.adoc[`gep_type_begin`] | Return a begin iterator over the types indexed by GEP `GEP.` | xref:llvm/gep_type_end-0b.adoc[`gep_type_end`] | Return the end iterator for types indexed by GEP `GEP.` | xref:llvm/gep_type_end-0d.adoc[`gep_type_end`] | Return the end iterator for types indexed by GEP `GEP.` | xref:llvm/getAllocationFamily.adoc[`getAllocationFamily`] | If a function is part of an allocation family (e.g. malloc/realloc/calloc/free), return the identifier for its family of functions. | xref:llvm/getAtomicSyncScopeID.adoc[`getAtomicSyncScopeID`] | Return the sync scope of atomic instruction `I,` or nullopt if not atomic. | xref:llvm/getBaseObjectSize.adoc[`getBaseObjectSize`] | Like getObjectSize(), but only for base objects. | xref:llvm/getBranchWeightMDNode.adoc[`getBranchWeightMDNode`] | Get the branch weights metadata node | xref:llvm/getConstantDataArrayInfo.adoc[`getConstantDataArrayInfo`] | Returns true if the value `V` is a pointer into a ConstantDataArray. If successful `Slice` will point to a ConstantDataArray info object with an appropriate offset. | xref:llvm/getConstantStringInfo.adoc[`getConstantStringInfo`] | Compute the contents of a null‐terminated C string pointed to by `V.` | xref:llvm/getConstrainedIntrinsicID.adoc[`getConstrainedIntrinsicID`] | Return the constrained intrinsic ID for an instruction under strictfp. | xref:llvm/getInitialValueOfAllocation.adoc[`getInitialValueOfAllocation`] | If this is a call to an allocation function that initializes memory to a fixed value, return said value in the requested type. Otherwise, return nullptr. | xref:llvm/getKnowledgeForValue.adoc[`getKnowledgeForValue`] | Return a valid Knowledge associated to the Value V if its Attribute kind is in AttrKinds and it matches the Filter. | xref:llvm/getKnowledgeValidInContext.adoc[`getKnowledgeValidInContext`] | Return a valid Knowledge associated to the Value V if its Attribute kind is in AttrKinds and the knowledge is suitable to be used in the context of CtxI. | xref:llvm/getKnownAlignment.adoc[`getKnownAlignment`] | Infer a known alignment for the specified pointer. | xref:llvm/getLoadStoreAddressSpace.adoc[`getLoadStoreAddressSpace`] | Return the address space of the pointer operand of load or store `I.` | xref:llvm/getLoadStoreAlignment.adoc[`getLoadStoreAlignment`] | Return the alignment of load or store instruction `I.` | xref:llvm/getLoadStorePointerOperand-0b.adoc[`getLoadStorePointerOperand`] | Return the pointer operand of a load or store, or null if `V` is neither. | xref:llvm/getLoadStorePointerOperand-0d.adoc[`getLoadStorePointerOperand`] | Return the pointer operand of a load or store, or null if `V` is neither. | xref:llvm/getLoadStoreType.adoc[`getLoadStoreType`] | Return the value type accessed by load or store instruction `I.` | xref:llvm/getMemCacheHintMetadata.adoc[`getMemCacheHintMetadata`] | Return the cache hint metadata node for a memory operand. | xref:llvm/getMetadataToPropagate.adoc[`getMetadataToPropagate`] | Collect metadata from `Inst` that can be preserved after vectorization. | xref:llvm/getObjectSize.adoc[`getObjectSize`] | Compute the size of the object pointed by Ptr. | xref:llvm/getOrEnforceKnownAlignment.adoc[`getOrEnforceKnownAlignment`] | Return a known alignment for a value, optionally raising it first. | xref:llvm/getPointerOperand-012.adoc[`getPointerOperand`] | Return the pointer operand of a load, store, or GEP, or null otherwise. | xref:llvm/getPointerOperand-0c.adoc[`getPointerOperand`] | Non‐const overload of getPointerOperand. | xref:llvm/getSplatValue.adoc[`getSplatValue`] | Get splat value if the input is a splat vector or return nullptr. | xref:llvm/getUnderlyingObject-0e.adoc[`getUnderlyingObject`] | Strip GEP adjustments, pointer casts, and threadlocal.address from `V.` | xref:llvm/getUnderlyingObject-0f.adoc[`getUnderlyingObject`] | Non‐const overload of getUnderlyingObject. | xref:llvm/getUnderlyingObjectAggressive.adoc[`getUnderlyingObjectAggressive`] | Like getUnderlyingObject(), but will try harder to find a single underlying object. In particular, this function also looks through selects and phis. | xref:llvm/getUnderlyingObjects.adoc[`getUnderlyingObjects`] | This method is similar to getUnderlyingObject except that it can look through phi and select instructions and return multiple objects. | xref:llvm/getUnderlyingObjectsForCodeGen.adoc[`getUnderlyingObjectsForCodeGen`] | This is a wrapper around getUnderlyingObjects and adds support for basic ptrtoint+arithmetic+inttoptr sequences. | xref:llvm/getValidBranchWeightMDNode.adoc[`getValidBranchWeightMDNode`] | Get the valid branch weights metadata node | xref:llvm/getValueProfDataFromInst.adoc[`getValueProfDataFromInst`] | Extract value‐profile data annotated on instruction `Inst.` | xref:llvm/handleUnreachableTerminator.adoc[`handleUnreachableTerminator`] | Replace instruction operands of an unreachable terminator with poison. | xref:llvm/hasBranchWeightMD.adoc[`hasBranchWeightMD`] | Checks if an instructions has Branch Weight Metadata | xref:llvm/hasBranchWeightOrigin-0b.adoc[`hasBranchWeightOrigin`] | Check if Branch Weight Metadata has an "expected" field from an llvm.expect* intrinsic | xref:llvm/hasExplicitlyUnknownBranchWeights.adoc[`hasExplicitlyUnknownBranchWeights`] | Check whether `I` has explicitly‐unknown branch‐weight metadata. | xref:llvm/hasProfMD.adoc[`hasProfMD`] | Checks if an Instruction has MD_prof Metadata | xref:llvm/hasValidBranchWeightMD.adoc[`hasValidBranchWeightMD`] | Checks if an instructions has valid Branch Weight Metadata | xref:llvm/impliesPoison.adoc[`impliesPoison`] | Return true if V is poison given that ValAssumedPoison is already poison. | xref:llvm/intersectAccessGroups.adoc[`intersectAccessGroups`] | Compute the intersection of access groups on two instructions. | xref:llvm/invertCondition.adoc[`invertCondition`] | Invert a boolean condition, reusing an existing inverted copy when possible. | xref:llvm/isAllocLikeFn.adoc[`isAllocLikeFn`] | Tests if a value is a call or invoke to a library function that allocates memory (either malloc, calloc, or strdup like). | xref:llvm/isAllocationFn-07.adoc[`isAllocationFn`] | Tests if a value is a call or invoke to a library function that allocates or reallocates memory (either malloc, calloc, realloc, or strdup like). | xref:llvm/isAllocationFn-0bc.adoc[`isAllocationFn`] | Tests if a value is a call or invoke to a library function that allocates or reallocates memory (either malloc, calloc, realloc, or strdup like). | xref:llvm/isAssumeLikeIntrinsic.adoc[`isAssumeLikeIntrinsic`] | Return true if it is an intrinsic that cannot be speculated but also cannot trap. | xref:llvm/isBaseOfObject.adoc[`isBaseOfObject`] | Return true if V is known to be the base of its memory object. | xref:llvm/isBytewiseValue.adoc[`isBytewiseValue`] | If the specified value can be set by repeating the same byte in memory, return the i8 value that it is represented with. | xref:llvm/isCheckForZeroAndMulWithOverflow-07.adoc[`isCheckForZeroAndMulWithOverflow`] | Return true if `Op0` and `Op1` match a zero check with mul‐with‐overflow. | xref:llvm/isCheckForZeroAndMulWithOverflow-0a.adoc[`isCheckForZeroAndMulWithOverflow`] | Return true if `Op0` and `Op1` match a zero check with mul‐with‐overflow. | xref:llvm/isConsecutiveAccess.adoc[`isConsecutiveAccess`] | Returns true if the memory operations `A` and `B` are consecutive. This is a simple API that does not depend on the analysis pass. | xref:llvm/isCriticalEdge-00.adoc[`isCriticalEdge`] | Return true if the specified edge is a critical edge. | xref:llvm/isCriticalEdge-0d.adoc[`isCriticalEdge`] | Return true if the edge from `TI` to `Succ` is a critical edge. | xref:llvm/isDereferenceableAndAlignedPointer-06.adoc[`isDereferenceableAndAlignedPointer`] | Returns true if V is always a dereferenceable pointer with sufficient alignment. | xref:llvm/isDereferenceableAndAlignedPointer-0a.adoc[`isDereferenceableAndAlignedPointer`] | Returns true if V is always dereferenceable for Size bytes with sufficient alignment. | xref:llvm/isDereferenceablePointer-01.adoc[`isDereferenceablePointer`] | Equivalent to isDereferenceableAndAlignedPointer with an alignment of 1. | xref:llvm/isDereferenceablePointer-0d.adoc[`isDereferenceablePointer`] | Equivalent to isDereferenceableAndAlignedPointer with an alignment of 1. | xref:llvm/isEscapeSource.adoc[`isEscapeSource`] | Returns true if the pointer is one which would have been considered an escape by isNotCapturedBefore. | xref:llvm/isGuaranteedNotToBePoison-04.adoc[`isGuaranteedNotToBePoison`] | Iterator‐context overload of isGuaranteedNotToBePoison. | xref:llvm/isGuaranteedNotToBePoison-08.adoc[`isGuaranteedNotToBePoison`] | Returns true if V cannot be poison, but may be undef. | xref:llvm/isGuaranteedNotToBeUndef-09.adoc[`isGuaranteedNotToBeUndef`] | Returns true if V cannot be undef, but may be poison. | xref:llvm/isGuaranteedNotToBeUndefOrPoison-05.adoc[`isGuaranteedNotToBeUndefOrPoison`] | Return true if this function can prove that V does not have undef bits and is never poison. | xref:llvm/isGuaranteedToExecuteForEveryIteration.adoc[`isGuaranteedToExecuteForEveryIteration`] | Return true if this function can prove that the instruction I is executed for every iteration of the loop L. | xref:llvm/isGuaranteedToTransferExecutionToSuccessor-06.adoc[`isGuaranteedToTransferExecutionToSuccessor`] | Return true if instruction `I` always transfers execution to a successor. | xref:llvm/isGuard.adoc[`isGuard`] | Returns true iff `U` has semantics of a guard expressed in a form of call of llvm.experimental.guard intrinsic. | xref:llvm/isGuardAsWidenableBranch.adoc[`isGuardAsWidenableBranch`] | Returns true iff `U` has semantics of a guard expressed in a form of a widenable conditional branch to deopt block. | xref:llvm/isIdentifiedFunctionLocal.adoc[`isIdentifiedFunctionLocal`] | Return true if V is unambiguously identified at the function level. | xref:llvm/isIdentifiedObject.adoc[`isIdentifiedObject`] | Return true if this pointer refers to a distinct and identifiable object. | xref:llvm/isImpliedByDomCondition-0f1.adoc[`isImpliedByDomCondition`] | Return the boolean condition value in the context of the given instruction if it is known based on dominating conditions. | xref:llvm/isImpliedCondition-0a.adoc[`isImpliedCondition`] | Return whether a compare is implied true or false by `LHS,` if known. | xref:llvm/isImpliedCondition-0c.adoc[`isImpliedCondition`] | Return whether RHS is implied true or false by LHS, if known. | xref:llvm/isInstructionTriviallyDead.adoc[`isInstructionTriviallyDead`] | Return true if an unused instruction is trivially dead. | xref:llvm/isKnownIntegral.adoc[`isKnownIntegral`] | Return true if the floating‐point value `V` is known to be an integer value. | xref:llvm/isKnownInversion.adoc[`isKnownInversion`] | Return true iff: 1. X is poison implies Y is poison. 2. X is true implies Y is false. 3. X is false implies Y is true. Otherwise, return false. | xref:llvm/isKnownNegation.adoc[`isKnownNegation`] | Return true if the two given values are negation. | xref:llvm/isKnownNegative.adoc[`isKnownNegative`] | Returns true if the given value is known be negative (i.e. non‐positive and non‐zero). | xref:llvm/isKnownNeverInfOrNaN.adoc[`isKnownNeverInfOrNaN`] | Return true if the floating‐point value can never contain a NaN or infinity. | xref:llvm/isKnownNeverInfinity.adoc[`isKnownNeverInfinity`] | Return true if the floating‐point scalar value is not an infinity or if the floating‐point vector value has no infinities. | xref:llvm/isKnownNeverNaN.adoc[`isKnownNeverNaN`] | Return true if the floating‐point scalar value is not a NaN or if the floating‐point vector value has no NaN elements. | xref:llvm/isKnownNonEqual.adoc[`isKnownNonEqual`] | Return true if the given values are known to be non‐equal when defined. Supports scalar integer types only. | xref:llvm/isKnownNonNegative.adoc[`isKnownNonNegative`] | Returns true if the give value is known to be non‐negative. | xref:llvm/isKnownNonZero.adoc[`isKnownNonZero`] | Return true if the given value is known to be non‐zero when defined. | xref:llvm/isKnownPositive.adoc[`isKnownPositive`] | Returns true if the given value is known be positive (i.e. non‐negative and non‐zero). | xref:llvm/isKnownToBeAPowerOfTwo-08.adoc[`isKnownToBeAPowerOfTwo`] | Return true if the given value is known to have exactly one bit set when defined. | xref:llvm/isKnownToBeAPowerOfTwo-09.adoc[`isKnownToBeAPowerOfTwo`] | Return true if `V` is known to be a power of two when defined. | xref:llvm/isNoAliasCall.adoc[`isNoAliasCall`] | Return true if this pointer is returned by a noalias function. | xref:llvm/isNotCrossLaneOperation.adoc[`isNotCrossLaneOperation`] | Return true if the instruction doesn't potentially cross vector lanes. | xref:llvm/isNotVisibleOnUnwind.adoc[`isNotVisibleOnUnwind`] | Return true if Object memory is not visible after an unwind. | xref:llvm/isOnlyUsedInZeroComparison.adoc[`isOnlyUsedInZeroComparison`] | Return true if `CxtI` is only used in comparisons against zero. | xref:llvm/isOnlyUsedInZeroEqualityComparison.adoc[`isOnlyUsedInZeroEqualityComparison`] | Return true if `CxtI` is only used in equality comparisons against zero. | xref:llvm/isPotentiallyReachable-0e.adoc[`isPotentiallyReachable`] | Determine whether instruction 'To' is reachable from 'From', without passing through any blocks in ExclusionSet, returning true if uncertain. | xref:llvm/isReachedBefore.adoc[`isReachedBefore`] | Return true if `I0` is reached before `I1` in the control flow. | xref:llvm/isSafeToLoadUnconditionally-07.adoc[`isSafeToLoadUnconditionally`] | Return true if we know that executing a load from this value cannot trap. | xref:llvm/isSafeToLoadUnconditionally-0f.adoc[`isSafeToLoadUnconditionally`] | Return true if we know that executing a load from this value cannot trap. | xref:llvm/isSafeToMoveBefore-08.adoc[`isSafeToMoveBefore`] | Return true if `I` can be safely moved before `InsertPoint.` | xref:llvm/isSafeToSpeculativelyExecute-0a.adoc[`isSafeToSpeculativelyExecute`] | Return true if the instruction does not have any effects besides calculating the result and does not have undefined behavior. | xref:llvm/isSafeToSpeculativelyExecute-0f.adoc[`isSafeToSpeculativelyExecute`] | Iterator‐context overload of isSafeToSpeculativelyExecute. | xref:llvm/isSafeToSpeculativelyExecuteWithVariableReplaced.adoc[`isSafeToSpeculativelyExecuteWithVariableReplaced`] | Don't use information from its non‐constant operands. This helper is used when its operands are going to be replaced. | xref:llvm/isSplatValue.adoc[`isSplatValue`] | Return true if each element of `V` is poisoned or equal to the others. | xref:llvm/isValidAssumeForContext-037.adoc[`isValidAssumeForContext`] | Return true if assume `I` is valid for the context in simplify query `Q.` | xref:llvm/isValidAssumeForContext-03c.adoc[`isValidAssumeForContext`] | Return true if assume `I` is valid to use at context instruction `CxtI.` | xref:llvm/isWidenableBranch.adoc[`isWidenableBranch`] | Returns true iff `U` is a widenable branch (that is, extractWidenableCondition returns widenable condition). | xref:llvm/isWidenableCondition.adoc[`isWidenableCondition`] | Returns true iff `V` has semantics of llvm.experimental.widenable.condition call. | xref:llvm/isWritableObject.adoc[`isWritableObject`] | Return true if Object is writable without trapping. | xref:llvm/maskContainsAllOneOrUndef.adoc[`maskContainsAllOneOrUndef`] | Return true if any lane of an i1 mask is known true or undef. | xref:llvm/matchSelectPattern-09.adoc[`matchSelectPattern`] | Const overload of matchSelectPattern. | xref:llvm/matchSelectPattern-0c.adoc[`matchSelectPattern`] | Pattern match integer [SU]MIN, [SU]MAX and ABS idioms, returning the kind and providing the out parameter results if we successfully match. | xref:llvm/mayHaveNonDefUseDependency.adoc[`mayHaveNonDefUseDependency`] | Returns true if the result or effects of the given instructions `I` depend values not reachable through the def use graph. | xref:llvm/mustExecuteUBIfPoisonOnPathTo.adoc[`mustExecuteUBIfPoisonOnPathTo`] | Return true if poison from Root would force UB on the path to OnPathTo. | xref:llvm/mustTriggerUB.adoc[`mustTriggerUB`] | Return true if `I` must trigger UB when any of `KnownPoison` is poison. | xref:llvm/onlyUsedByLifetimeMarkers.adoc[`onlyUsedByLifetimeMarkers`] | Return true if the only users of this pointer are lifetime markers. | xref:llvm/onlyUsedByLifetimeMarkersOrDroppableInsts.adoc[`onlyUsedByLifetimeMarkersOrDroppableInsts`] | Return true if the only users of this pointer are lifetime markers or droppable instructions. | xref:llvm/parseWidenableBranch-05.adoc[`parseWidenableBranch`] | Parses a widenable branch and returns Uses so they can be modified. | xref:llvm/parseWidenableBranch-0e.adoc[`parseWidenableBranch`] | Parses a widenable branch and returns its condition, widenable condition, and successor blocks. | xref:llvm/parseWidenableGuard.adoc[`parseWidenableGuard`] | Collects the individual checks from a widenable guard's condition. | xref:llvm/patchReplacementInstruction.adoc[`patchReplacementInstruction`] | Relax a replacement so it is no more restrictive than the original. | xref:llvm/possiblyDemandedEltsInMask.adoc[`possiblyDemandedEltsInMask`] | Return an APInt of active lanes for a `<Y x i1>` mask. | xref:llvm/programUndefinedIfPoison.adoc[`programUndefinedIfPoison`] | Return true if a poison result from `Inst` implies program undefined behavior. | xref:llvm/programUndefinedIfUndefOrPoison.adoc[`programUndefinedIfUndefOrPoison`] | Return true if this function can prove that if Inst is executed and yields a poison value or undef bits, then that will trigger undefined behavior. | xref:llvm/propagateIRFlags.adoc[`propagateIRFlags`] | Intersect IR flags from scalar ops `VL` onto vector op `I.` | xref:llvm/propagateMetadata.adoc[`propagateMetadata`] | Propagate common metadata from `VL` onto instruction `I.` | xref:llvm/recognizeBSwapOrBitReverseIdiom.adoc[`recognizeBSwapOrBitReverseIdiom`] | Match a bswap or bitreverse idiom and replace it with an intrinsic. | xref:llvm/replaceAllDbgUsesWith.adoc[`replaceAllDbgUsesWith`] | Retarget or salvage debug users when replacing a value that will be deleted. | xref:llvm/replaceAndRecursivelySimplify.adoc[`replaceAndRecursivelySimplify`] | Replace all uses of 'I' with 'SimpleV' and simplify the uses recursively. | xref:llvm/replaceDbgDeclare.adoc[`replaceDbgDeclare`] | Replace a dbg.declare when its address is replaced. | xref:llvm/replaceDominatedUsesWith-03.adoc[`replaceDominatedUsesWith`] | Replace uses dominated by an edge with another value. | xref:llvm/replaceDominatedUsesWith-0d.adoc[`replaceDominatedUsesWith`] | Replace uses dominated by an instruction with another value. | xref:llvm/replaceDominatedUsesWith-0f.adoc[`replaceDominatedUsesWith`] | Replace uses dominated by a block's end with another value. | xref:llvm/replaceDominatedUsesWithIf-01.adoc[`replaceDominatedUsesWithIf`] | Conditionally replace uses dominated by an instruction with another value. | xref:llvm/replaceDominatedUsesWithIf-0d.adoc[`replaceDominatedUsesWithIf`] | Conditionally replace uses dominated by a block's end with another value. | xref:llvm/replaceDominatedUsesWithIf-0e.adoc[`replaceDominatedUsesWithIf`] | Conditionally replace uses dominated by an edge with another value. | xref:llvm/replaceNonLocalUsesWith.adoc[`replaceNonLocalUsesWith`] | Replace non‐local uses of an instruction with another value. | xref:llvm/salvageDebugInfo-07.adoc[`salvageDebugInfo`] | Salvage debug records that use an instruction before it is deleted. | xref:llvm/salvageDebugInfoForDbgValues.adoc[`salvageDebugInfoForDbgValues`] | Salvage a specific set of debug records that use an instruction. | xref:llvm/salvageDebugInfoImpl.adoc[`salvageDebugInfoImpl`] | Append an instruction's effect to a salvaged DIExpression operand list. | xref:llvm/salvageKnowledge.adoc[`salvageKnowledge`] | Insert an llvm.assume before an instruction to salvage its derived knowledge. | xref:llvm/scaleProfData.adoc[`scaleProfData`] | Scaling the profile data attached to 'I' using the ratio of S/T. | xref:llvm/setAtomicSyncScopeID.adoc[`setAtomicSyncScopeID`] | Set the sync scope of atomic instruction `I.` | xref:llvm/setBranchWeights.adoc[`setBranchWeights`] | Create a new `branch_weights` metadata node and add or overwrite a `prof` metadata reference to instruction `I`. | xref:llvm/setExplicitlyUnknownBranchWeights.adoc[`setExplicitlyUnknownBranchWeights`] | Specify that this terminator's branch weights are unknown at compile time. | xref:llvm/setExplicitlyUnknownBranchWeightsIfProfiled.adoc[`setExplicitlyUnknownBranchWeightsIfProfiled`] | Set unknown branch weights only if the parent function has an entry count. | xref:llvm/setFittedBranchWeights.adoc[`setFittedBranchWeights`] | Variant of `setBranchWeights` where the `Weights` will be fit first to uint32_t by shifting right. | xref:llvm/setLoadStoreAlignment.adoc[`setLoadStoreAlignment`] | Set the alignment of load or store instruction `I.` | xref:llvm/setProbeDistributionFactor.adoc[`setProbeDistributionFactor`] | Set the distribution factor of the pseudo probe on `Inst.` | xref:llvm/setProfMetadata.adoc[`setProfMetadata`] | Attach branch‐weight profile metadata to a terminator or select. | xref:llvm/setUnwindEdgeTo.adoc[`setUnwindEdgeTo`] | Sets the unwind edge of an instruction to a particular successor. | xref:llvm/simplifyAShrInst.adoc[`simplifyAShrInst`] | Given operands for a AShr, fold the result or return nulll. | xref:llvm/simplifyAddInst.adoc[`simplifyAddInst`] | Given operands for an Add, fold the result or return null. | xref:llvm/simplifyAndInst.adoc[`simplifyAndInst`] | Given operands for an And, fold the result or return null. | xref:llvm/simplifyExtractElementInst.adoc[`simplifyExtractElementInst`] | Given operands for an ExtractElementInst, fold the result or return null. | xref:llvm/simplifyExtractValueInst.adoc[`simplifyExtractValueInst`] | Given operands for an ExtractValueInst, fold the result or return null. | xref:llvm/simplifyFAddInst.adoc[`simplifyFAddInst`] | Given operands for an FAdd, fold the result or return null. | xref:llvm/simplifyFDivInst.adoc[`simplifyFDivInst`] | Given operands for an FDiv, fold the result or return null. | xref:llvm/simplifyFMAFMul.adoc[`simplifyFMAFMul`] | Given operands for the multiplication of a FMA, fold the result or return null. | xref:llvm/simplifyFMulInst.adoc[`simplifyFMulInst`] | Given operands for an FMul, fold the result or return null. | xref:llvm/simplifyFNegInst.adoc[`simplifyFNegInst`] | Given operand for an FNeg, fold the result or return null. | xref:llvm/simplifyFRemInst.adoc[`simplifyFRemInst`] | Given operands for an FRem, fold the result or return null. | xref:llvm/simplifyFSubInst.adoc[`simplifyFSubInst`] | Given operands for an FSub, fold the result or return null. | xref:llvm/simplifyFreezeInst.adoc[`simplifyFreezeInst`] | Given an operand for a Freeze, see if we can fold the result. | xref:llvm/simplifyInsertElementInst.adoc[`simplifyInsertElementInst`] | Given operands for an InsertElement, fold the result or return null. | xref:llvm/simplifyInsertValueInst.adoc[`simplifyInsertValueInst`] | Given operands for an InsertValueInst, fold the result or return null. | xref:llvm/simplifyInstruction.adoc[`simplifyInstruction`] | See if we can compute a simplified version of this instruction. | xref:llvm/simplifyInstructionWithOperands.adoc[`simplifyInstructionWithOperands`] | Like `simplifyInstruction` but the operands of `I` are replaced with `NewOps.` | xref:llvm/simplifyLShrInst.adoc[`simplifyLShrInst`] | Given operands for a LShr, fold the result or return null. | xref:llvm/simplifyMulInst.adoc[`simplifyMulInst`] | Given operands for a Mul, fold the result or return null. | xref:llvm/simplifyOrInst.adoc[`simplifyOrInst`] | Given operands for an Or, fold the result or return null. | xref:llvm/simplifySDivInst.adoc[`simplifySDivInst`] | Given operands for an SDiv, fold the result or return null. | xref:llvm/simplifySRemInst.adoc[`simplifySRemInst`] | Given operands for an SRem, fold the result or return null. | xref:llvm/simplifySelectInst.adoc[`simplifySelectInst`] | Given operands for a SelectInst, fold the result or return null. | xref:llvm/simplifyShlInst.adoc[`simplifyShlInst`] | Given operands for a Shl, fold the result or return null. | xref:llvm/simplifyShuffleVectorInst.adoc[`simplifyShuffleVectorInst`] | Given operands for a ShuffleVectorInst, fold the result or return null. | xref:llvm/simplifySubInst.adoc[`simplifySubInst`] | Given operands for a Sub, fold the result or return null. | xref:llvm/simplifyUDivInst.adoc[`simplifyUDivInst`] | Given operands for a UDiv, fold the result or return null. | xref:llvm/simplifyURemInst.adoc[`simplifyURemInst`] | Given operands for a URem, fold the result or return null. | xref:llvm/simplifyWithOpReplaced.adoc[`simplifyWithOpReplaced`] | See if V simplifies when its operand Op is replaced with RepOp. | xref:llvm/simplifyXorInst.adoc[`simplifyXorInst`] | Given operands for an Xor, fold the result or return null. | xref:llvm/stripNullTest-0b.adoc[`stripNullTest`] | Const overload of stripNullTest. | xref:llvm/stripNullTest-0d.adoc[`stripNullTest`] | Returns the inner value X if the expression has the form f(X) where f(X) == 0 if and only if X == 0, otherwise returns nullptr. | xref:llvm/succ_begin-087.adoc[`succ_begin`] | Return a const iterator to the first successor of terminator `I.` | xref:llvm/succ_begin-08c.adoc[`succ_begin`] | Return an iterator to the first successor of terminator `I.` | xref:llvm/succ_empty-0e.adoc[`succ_empty`] | Return true if `I's` terminator has no successor blocks. | xref:llvm/succ_end-0e.adoc[`succ_end`] | Return the end iterator for successors of terminator `I.` | xref:llvm/succ_end-0f.adoc[`succ_end`] | Return a const end iterator for successors of terminator `I.` | xref:llvm/succ_size-09.adoc[`succ_size`] | Return the number of successors of terminator `I.` | xref:llvm/successors-0e.adoc[`successors`] | Return a const range of successor basic blocks of terminator `I.` | xref:llvm/successors-0f.adoc[`successors`] | Return a range of successor basic blocks of terminator `I.` | xref:llvm/tryEnforceAlignment.adoc[`tryEnforceAlignment`] | Try to raise a controlled object's alignment to a preferred value. | xref:llvm/updateLoopMetadataDebugLocations.adoc[`updateLoopMetadataDebugLocations`] | Update debug locations in any MD_loop metadata attached to `I.` | xref:llvm/willNotFreeBetween.adoc[`willNotFreeBetween`] | Returns true, if no instruction between `Assume` and `CtxI` may free (including through synchronization). | xref:llvm/wouldInstructionBeTriviallyDead.adoc[`wouldInstructionBeTriviallyDead`] | Return true if an instruction would be trivially dead with no uses. | xref:llvm/wrap-04.adoc[`wrap`] | Wrap an array of `Value` pointers as opaque `LLVMValueRef` values. | xref:llvm/wrap-076.adoc[`wrap`] | Convert a `Value` pointer to an opaque `LLVMValueRef.` | xref:llvm/AA/getWithType.adoc[`AA::getWithType`] | Try to convert `V` to type `Ty` without introducing new instructions. | xref:llvm/AA/isValidInScope.adoc[`AA::isValidInScope`] | Return true if `V` is a valid value in `Scope,` that is a constant or an instruction/argument of `Scope.` | xref:llvm/PatternMatch/m_Deferred-0a.adoc[`PatternMatch::m_Deferred`] | Match a deferred const Value* determined later in the same match expression. | xref:llvm/PatternMatch/m_Deferred-0c.adoc[`PatternMatch::m_Deferred`] | Match a deferred Value* determined later in the same match expression. | xref:llvm/PatternMatch/m_Instruction-04.adoc[`PatternMatch::m_Instruction`] | Match an instruction, capturing it if we match. | xref:llvm/PatternMatch/m_Instruction-05.adoc[`PatternMatch::m_Instruction`] | Match a const instruction, capturing it if we match. | xref:llvm/PatternMatch/m_Instruction-06.adoc[`PatternMatch::m_Instruction`] | Match against the nested pattern, and capture the instruction if we match. | xref:llvm/PatternMatch/m_Instruction-0b.adoc[`PatternMatch::m_Instruction`] | Match against the nested pattern, and capture the instruction if we match. | xref:llvm/PatternMatch/m_Specific.adoc[`PatternMatch::m_Specific`] | Match if we have a specific specified value. | xref:llvm/PatternMatch/m_Value-00.adoc[`PatternMatch::m_Value`] | Match against the nested pattern, and capture the value if we match. | xref:llvm/PatternMatch/m_Value-08.adoc[`PatternMatch::m_Value`] | Match a const value, capturing it if we match. | xref:llvm/PatternMatch/m_Value-0ab.adoc[`PatternMatch::m_Value`] | Match against the nested pattern, and capture the value if we match. | xref:llvm/PatternMatch/m_Value-0ae.adoc[`PatternMatch::m_Value`] | Match a value, capturing it if we match. | xref:llvm/VNCoercion/canCoerceMustAliasedValueToLoad.adoc[`VNCoercion::canCoerceMustAliasedValueToLoad`] | Return true if CoerceAvailableValueToLoadType would succeed if it was called. | xref:llvm/VNCoercion/coerceAvailableValueToLoadType.adoc[`VNCoercion::coerceAvailableValueToLoadType`] | Try to coerce a stored value to a must‐aliased load of a different type. | xref:llvm/VNCoercion/getValueForLoad.adoc[`VNCoercion::getValueForLoad`] | Extract bits for a load from a clobbering store or load at a given offset. | xref:llvm/at/deleteAssignmentMarkers.adoc[`at::deleteAssignmentMarkers`] | Delete the llvm.dbg.assign intrinsics linked to `Inst.` | xref:llvm/at/getDVRAssignmentMarkers.adoc[`at::getDVRAssignmentMarkers`] | Return a range of dbg_assign records for which `Inst` performs the assignment they encode. | xref:llvm/coro/isTriviallyMaterializable.adoc[`coro::isTriviallyMaterializable`] | Return true if `I` is trivially rematerializable. | xref:llvm/instrumentor/evaluateFilter.adoc[`instrumentor::evaluateFilter`] | Evaluate a filter expression for an instrumentation opportunity. | xref:llvm/memtag/getUntagLocationIfFunctionExit.adoc[`memtag::getUntagLocationIfFunctionExit`] | Return the instruction at which stack untagging should run for a function exit, or null if `Inst` is not such an exit. | xref:llvm/misexpect/checkBackendInstrumentation.adoc[`misexpect::checkBackendInstrumentation`] | Check backend instrumentation against llvm.expect thresholds. | xref:llvm/misexpect/checkExpectAnnotations.adoc[`misexpect::checkExpectAnnotations`] | Check expect annotations against PGO counters for frontend or backend use. | xref:llvm/misexpect/checkFrontendInstrumentation.adoc[`misexpect::checkFrontendInstrumentation`] | Check frontend instrumentation against llvm.expect thresholds. | xref:llvm/misexpect/verifyMisExpect.adoc[`misexpect::verifyMisExpect`] | veryifyMisExpect ‐ compares RealWeights to the thresholds used for llvm.expect and warns if the PGO counters are outside of the expected range. | xref:llvm/objcarc/GetARCInstKind.adoc[`objcarc::GetARCInstKind`] | Map V to its ARCInstKind equivalence class. | xref:llvm/objcarc/GetArgRCIdentityRoot.adoc[`objcarc::GetArgRCIdentityRoot`] | Assuming the given instruction is one of the special calls such as objc_retain or objc_release, return the RCIdentity root of the argument of the call. | xref:llvm/objcarc/GetBasicARCInstKind.adoc[`objcarc::GetBasicARCInstKind`] | Determine which objc runtime call instruction class V belongs to. | xref:llvm/objcarc/GetRCIdentityRoot-05.adoc[`objcarc::GetRCIdentityRoot`] | Return the RCIdentity root of value `V.` | xref:llvm/objcarc/GetRCIdentityRoot-07.adoc[`objcarc::GetRCIdentityRoot`] | Return the non‐const RCIdentity root of value `V.` | xref:llvm/objcarc/GetUnderlyingObjCPtr.adoc[`objcarc::GetUnderlyingObjCPtr`] | Return the underlying ObjC object pointer for `V.` | xref:llvm/objcarc/GetUnderlyingObjCPtrCached.adoc[`objcarc::GetUnderlyingObjCPtrCached`] | A wrapper for GetUnderlyingObjCPtr used for results memoization. | xref:llvm/objcarc/IsNoopInstruction.adoc[`objcarc::IsNoopInstruction`] | Return true if `I` is a bitcast or a zero‐index GEP. | xref:llvm/objcarc/IsNullOrUndef.adoc[`objcarc::IsNullOrUndef`] | Return true if `V` is a null pointer constant or undef. | xref:llvm/objcarc/IsObjCIdentifiedObject.adoc[`objcarc::IsObjCIdentifiedObject`] | Return true if this value refers to a distinct and identifiable object. | xref:llvm/objcarc/IsPotentialRetainableObjPtr-06.adoc[`objcarc::IsPotentialRetainableObjPtr`] | Test whether `Op` may be a retainable object pointer using alias analysis. | xref:llvm/objcarc/IsPotentialRetainableObjPtr-0f.adoc[`objcarc::IsPotentialRetainableObjPtr`] | Test whether the given value is possible a retainable object pointer. |=== [.small]#Created with https://www.mrdocs.com[MrDocs]#