llvm::ObjectSizeOffsetEvaluator

Synopsis

Declared in <llvm/Analysis/MemoryBuiltins.h>

class ObjectSizeOffsetEvaluator
    : public InstVisitor<ObjectSizeOffsetEvaluator, SizeOffsetValue>

Base Classes

Name	Description
`InstVisitor<ObjectSizeOffsetEvaluator, SizeOffsetValue>`	Base class for instruction visitors

Member Functions

Name	Description
`ObjectSizeOffsetEvaluator` [constructor]	Construct an evaluator that may emit runtime size/offset code.
`compute`	Compute the size and offset of the object pointed to by `V.`
`visit`	`visit` overloads
`visitAShr`	Create or visit an arithmetic right-shift (ashr) instruction.
`visitAdd`	Create or visit an integer addition (add) instruction.
`visitAddrSpaceCast`	Visit an addrspacecast that changes a pointer's address space.
`visitAddrSpaceCastInst`	Visit an AddrSpaceCastInst; defaults to `visitCastInst.`
`visitAlloca`	Visit an alloca that allocates stack memory.
`visitAllocaInst`	Visit an alloca and return its size and offset Values.
`visitAnd`	Create or visit a bitwise AND (and) instruction.
`visitAtomicCmpXchg`	Visit an atomic compare-and-exchange (cmpxchg) instruction.
`visitAtomicCmpXchgInst`	Visit an AtomicCmpXchgInst; defaults to `visitInstruction.`
`visitAtomicRMW`	Visit an atomic read-modify-write (atomicrmw) instruction.
`visitAtomicRMWInst`	Visit an AtomicRMWInst; defaults to `visitInstruction.`
`visitBasicBlock`	Called when beginning visitation of basic block `BB.`
`visitBinaryOperator`	Visit a BinaryOperator; defaults to `visitInstruction.`
`visitBitCast`	Visit a bitcast that reinterprets bits between types of equal size.
`visitBitCastInst`	Visit a BitCastInst; defaults to `visitCastInst.`
`visitCall`	Visit a call that invokes a function.
`visitCallBase`	Visit a call or invoke and return its size and offset Values.
`visitCallBr`	Visit a callbr call-site terminator with additional transfer labels.
`visitCallBrInst`	Visit a CallBrInst; defaults to `visitCallBase.`
`visitCallInst`	Visit a CallInst; defaults to `visitCallBase.`
`visitCastInst`	Visit a CastInst; defaults to `visitUnaryInstruction.`
`visitCatchPad`	Visit a catchpad that begins a catch funclet.
`visitCatchPadInst`	Visit a CatchPadInst; defaults to `visitFuncletPadInst.`
`visitCatchRet`	Visit a catchret that exits a catch funclet pad.
`visitCatchReturnInst`	Visit a CatchReturnInst; defaults to `visitTerminator.`
`visitCatchSwitch`	Visit a catchswitch that dispatches among catch pads.
`visitCatchSwitchInst`	Visit a CatchSwitchInst; defaults to `visitTerminator.`
`visitCleanupPad`	Visit a cleanuppad that begins a cleanup funclet.
`visitCleanupPadInst`	Visit a CleanupPadInst; defaults to `visitFuncletPadInst.`
`visitCleanupRet`	Visit a cleanupret that exits a cleanup funclet pad.
`visitCleanupReturnInst`	Visit a CleanupReturnInst; defaults to `visitTerminator.`
`visitCmpInst`	Visit a CmpInst; defaults to `visitInstruction.`
`visitCondBr`	Visit a conditional branch that chooses between two successors.
`visitCondBrInst`	Visit a conditional BranchInst; defaults to `visitTerminator.`
`visitExtractElement`	Visit an extractelement that pulls one element from a vector.
`visitExtractElementInst`	Visit an extractelement and return its size and offset Values.
`visitExtractValue`	Visit an extractvalue that pulls a field from an aggregate.
`visitExtractValueInst`	Visit an extractvalue and return its size and offset Values.
`visitFAdd`	Create or visit a floating-point addition (fadd) instruction.
`visitFCmp`	Visit an fcmp floating-point comparison instruction.
`visitFCmpInst`	Visit an FCmpInst; defaults to `visitCmpInst.`
`visitFDiv`	Create or visit a floating-point division (fdiv) instruction.
`visitFMul`	Create or visit a floating-point multiplication (fmul) instruction.
`visitFNeg`	Create or visit a floating-point negation (fneg) instruction.
`visitFPBinaryOperator`	Visit an FPBinaryOperator; defaults to `visitBinaryOperator.`
`visitFPExt`	Visit an fpext that extends a floating-point value.
`visitFPExtInst`	Visit an FPExtInst; defaults to `visitCastInst.`
`visitFPToSI`	Visit an fptosi that converts floating-point to signed integer.
`visitFPToSIInst`	Visit an FPToSIInst; defaults to `visitCastInst.`
`visitFPToUI`	Visit an fptoui that converts floating-point to unsigned integer.
`visitFPToUIInst`	Visit an FPToUIInst; defaults to `visitCastInst.`
`visitFPTrunc`	Visit an fptrunc that narrows a floating-point value.
`visitFPTruncInst`	Visit an FPTruncInst; defaults to `visitCastInst.`
`visitFPUnaryOperator`	Visit an FPUnaryOperator; defaults to `visitUnaryOperator.`
`visitFRem`	Create or visit a floating-point remainder (frem) instruction.
`visitFSub`	Create or visit a floating-point subtraction (fsub) instruction.
`visitFence`	Visit a fence that orders memory operations.
`visitFenceInst`	Visit a FenceInst; defaults to `visitInstruction.`
`visitFreeze`	Visit a freeze that replaces undef or poison with a fixed value.
`visitFreezeInst`	Visit a FreezeInst; defaults to `visitInstruction.`
`visitFuncletPadInst`	Visit a FuncletPadInst; defaults to `visitInstruction.`
`visitFunction`	Called when beginning visitation of function `F.`
`visitGEPOperator`	Visit a GEP and return its size and offset Values.
`visitGetElementPtr`	Visit a getelementptr that computes an address within an aggregate.
`visitGetElementPtrInst`	Visit a GetElementPtrInst; defaults to `visitInstruction.`
`visitICmp`	Visit an icmp integer comparison instruction.
`visitICmpInst`	Visit an ICmpInst; defaults to `visitCmpInst.`
`visitIndirectBr`	Visit an indirect branch through an address operand.
`visitIndirectBrInst`	Visit an IndirectBrInst; defaults to `visitTerminator.`
`visitInsertElement`	Visit an insertelement that inserts one element into a vector.
`visitInsertElementInst`	Visit an InsertElementInst; defaults to `visitInstruction.`
`visitInsertValue`	Visit an insertvalue that inserts a field into an aggregate.
`visitInsertValueInst`	Visit an InsertValueInst; defaults to `visitInstruction.`
`visitInstruction`	Visit a generic instruction and return its size and offset Values.
`visitIntToPtr`	Visit an inttoptr that converts an integer to a pointer.
`visitIntToPtrInst`	Visit an inttoptr and return its size and offset Values.
`visitIntrinsicInst`	Visit an IntrinsicInst; defaults to `visitCallInst.`
`visitInvoke`	Visit an invoke that calls a function with an exceptional continuation.
`visitInvokeInst`	Visit an InvokeInst; defaults to `visitCallBase.`
`visitLShr`	Create or visit a logical right-shift (lshr) instruction.
`visitLandingPad`	Visit a landingpad that receives an exception in an invoke unwind edge.
`visitLandingPadInst`	Visit a LandingPadInst; defaults to `visitInstruction.`
`visitLoad`	Visit a load that reads from memory.
`visitLoadInst`	Visit a load and return its size and offset Values.
`visitMemCpyInst`	Visit a MemCpyInst; defaults to `visitMemTransferInst.`
`visitMemIntrinsic`	Visit a MemIntrinsic; defaults to `visitIntrinsicInst.`
`visitMemMoveInst`	Visit a MemMoveInst; defaults to `visitMemTransferInst.`
`visitMemSetInst`	Visit a MemSetInst; defaults to `visitMemIntrinsic.`
`visitMemSetPatternInst`	Visit a MemSetPatternInst; defaults to `visitIntrinsicInst.`
`visitMemTransferInst`	Visit a MemTransferInst; defaults to `visitMemIntrinsic.`
`visitModule`	Called when beginning visitation of module `M.`
`visitMul`	Create or visit an integer multiplication (mul) instruction.
`visitOr`	Create or visit a bitwise OR (or) instruction.
`visitPHI`	Visit a phi node that merges values from predecessor blocks.
`visitPHINode`	Visit a PHI and return its size and offset Values.
`visitPtrToAddr`	Visit a ptrtoaddr that converts a pointer to an address integer.
`visitPtrToAddrInst`	Visit a PtrToAddrInst; defaults to `visitCastInst.`
`visitPtrToInt`	Visit a ptrtoint that bitcasts a pointer to an integer.
`visitPtrToIntInst`	Visit a PtrToIntInst; defaults to `visitCastInst.`
`visitResume`	Visit a resume that continues unwinding of an exception.
`visitResumeInst`	Visit a ResumeInst; defaults to `visitTerminator.`
`visitRet`	Visit a ret terminator that returns from the current function.
`visitReturnInst`	Visit a ReturnInst; defaults to `visitTerminator.`
`visitSDiv`	Create or visit a signed integer division (sdiv) instruction.
`visitSExt`	Visit a sext that sign-extends an integer value.
`visitSExtInst`	Visit an SExtInst; defaults to `visitCastInst.`
`visitSIToFP`	Visit a sitofp that converts signed integer to floating-point.
`visitSIToFPInst`	Visit an SIToFPInst; defaults to `visitCastInst.`
`visitSRem`	Create or visit a signed integer remainder (srem) instruction.
`visitSelect`	Visit a select that chooses one of two values by a condition.
`visitSelectInst`	Visit a select and return its size and offset Values.
`visitShl`	Create or visit a logical left-shift (shl) instruction.
`visitShuffleVector`	Visit a shufflevector that permutes elements from two vectors.
`visitShuffleVectorInst`	Visit a ShuffleVectorInst; defaults to `visitInstruction.`
`visitStore`	Visit a store that writes a value to memory.
`visitStoreInst`	Visit a StoreInst; defaults to `visitInstruction.`
`visitSub`	Create or visit an integer subtraction (sub) instruction.
`visitSwitch`	Visit a switch that dispatches on an integer value.
`visitSwitchInst`	Visit a SwitchInst; defaults to `visitTerminator.`
`visitTerminator`	Visit a terminator instruction; defaults to `visitInstruction.`
`visitTrunc`	Visit a trunc that narrows an integer value.
`visitTruncInst`	Visit a TruncInst; defaults to `visitCastInst.`
`visitUDiv`	Create or visit an unsigned integer division (udiv) instruction.
`visitUIToFP`	Visit a uitofp that converts unsigned integer to floating-point.
`visitUIToFPInst`	Visit a UIToFPInst; defaults to `visitCastInst.`
`visitURem`	Create or visit an unsigned integer remainder (urem) instruction.
`visitUnaryInstruction`	Visit a UnaryInstruction; defaults to `visitInstruction.`
`visitUnaryOperator`	Visit a UnaryOperator; defaults to `visitUnaryInstruction.`
`visitUncondBr`	Visit an unconditional branch to a single successor.
`visitUncondBrInst`	Visit an unconditional BranchInst; defaults to `visitTerminator.`
`visitUnreachable`	Visit an unreachable marker for code that must never execute.
`visitUnreachableInst`	Visit an UnreachableInst; defaults to `visitTerminator.`
`visitUserOp1`	Visit a UserOp1 placeholder that may be used internally in a pass.
`visitUserOp2`	Visit a UserOp2 placeholder that is internal to passes only.
`visitVAArg`	Visit a vaarg that reads the next variable argument.
`visitVAArgInst`	Visit a VAArgInst; defaults to `visitUnaryInstruction.`
`visitVACopyInst`	Visit a VACopyInst; defaults to `visitIntrinsicInst.`
`visitVAEndInst`	Visit a VAEndInst; defaults to `visitIntrinsicInst.`
`visitVAStartInst`	Visit a VAStartInst; defaults to `visitIntrinsicInst.`
`visitXor`	Create or visit a bitwise XOR (xor) instruction.
`visitZExt`	Visit a zext that zero-extends an integer value.
`visitZExtInst`	Visit a ZExtInst; defaults to `visitCastInst.`

Static Member Functions

Name	Description
`unknown`	Return an unknown size/offset pair.