llvm::SDNode

Name

Description

FoldingSetNode

Convenience alias for the base node type stored in a folding set.

ilist_node<SDNode>

An intrusive list node.

Name

Description

use_iterator

Iterator over SDUse operands that use a specific SDNode.

user_iterator

Iterator over SDNodes that use a specific SDNode.

value_op_iterator

Iterator for directly iterating over the operand SDValue's.

Name

Description

op_iterator

Iterator type over this node's SDUse operands.

value_iterator

Iterator type over this node's result value types.

Name

Description

Profile

Gather unique data for the node into folding‐set id ID.

addUse

Add use U to this node's use list (SDUse only).

bitcastToAPInt

Bitcast a constant integer or FP node to an APInt when possible.

dropFlags

Clear flag bits set in Mask.

dump

Dump this node, for debugging.

dump

Dump this node using SelectionDAG G for target formatting.

dumpr

Dump (recursively) this node and its use‐def subgraph.

dumpr

Dump this node recursively using SelectionDAG G.

dumprFull

Dump the full recursive print of this node to dbgs().

dumprWithDepth

Dump a depth‐limited recursive print of this node to dbgs().

getAsAPIntVal

Helper method returns the APInt value of a ConstantSDNode.

getAsZExtVal

Helper method returns the zero‐extended integer value of a ConstantSDNode.

getCFIType

Return the CFI type identifier for this node.

getCombinerWorklistIndex

Get worklist index for DAGCombiner

getConstantOperandAPInt

Helper method returns the APInt of a ConstantSDNode operand.

getConstantOperandVal

Helper method returns the integer value of a ConstantSDNode operand.

getDebugLoc

Return the source location info.

getFlags

Return the optimization flags attached to this node.

getGluedNode

If this node has a glue operand, return the node to which the glue operand points. Otherwise return NULL.

getGluedUser

If this node has a glue value with a user, return the user (there is at most one). Otherwise return NULL.

getHasDebugValue

Return true if this node has an associated debug value.

getIROrder

Return the node ordering.

getMachineOpcode

This may only be called if isMachineOpcode returns true. It returns the MachineInstr opcode value that the node's opcode corresponds to.

getNodeId

Return the unique node id.

getNumOperands

Return the number of values used by this operation.

getNumValues

Return the number of values defined/returned by this operator.

getOpcode

Return the SelectionDAG opcode value for this node.

getOperand

Return operand Num of this node.

getOperationName

Return the opcode of this operation for printing.

getSchedulerWorklistVisited

Get visited state for ScheduleDAGSDNodes::BuildSchedUnits.

getSimpleValueType

Return the type of a specified result as a simple type.

getVTList

Return the SDVTList describing this node's result types.

getValueSizeInBits

Return the size in bits of result ResNo.

getValueType

Return the type of a specified result.

hasAnyUseOfValue

Return true if there are any use of the indicated value. This method ignores uses of other values defined by this operation.

hasNUsesOfValue

Return true if there are exactly NUSES uses of the indicated value. This method ignores uses of other values defined by this operation.

hasOneUse

Return true if there is exactly one use of this node.

hasPoisonGeneratingFlags

Return true if any poison‐generating flag is set.

hasPredecessor

Return true if N is a predecessor of this node.

intersectFlagsWith

Clear any flags in this node that aren't also set in Flags. If Flags is not in a defined state then this has no effect.

isAnyAdd

Returns true if the node type is ADD or PTRADD.

isAssert

Test if this node is an assert operation.

isDivergent

Return true if this node is divergent.

isMachineOpcode

Test if this node has a post‐isel opcode, directly corresponding to a MachineInstr opcode.

isMemIntrinsic

Test if this node is a memory intrinsic (with valid pointer information).

isOnlyUserOf

Return true if this node is the only use of N.

isOperandOf

Return true if this node is an operand of N.

isPredecessorOf

Return true if this node is a predecessor of N. NOTE: Implemented on top of hasPredecessor and every bit as expensive. Use carefully.

isStrictFPOpcode

Test if this node is a strict floating point pseudo‐op.

isTargetOpcode

Test if this node has a target‐specific opcode (in the <target>ISD namespace).

isUndef

Returns true if the node type is UNDEF or POISON.

isVPOpcode

Test if this node is a vector predication operation.

op_begin

Return an iterator to the first operand.

op_end

Return an iterator past the last operand.

op_values

Return a range over operand SDValues.

ops

Return this node's operands as an ArrayRef of SDUse.

print

Print this node to OS.

print_details

Print this node's details to OS.

print_types

Print this node's result types to OS.

printr

Print this node recursively to OS.

printrFull

Print this node and all children down to the leaves.

printrWithDepth

Print this node and children up to depth depth.

setCFIType

Set the CFI type identifier for this node.

setCombinerWorklistIndex

Set worklist index for DAGCombiner.

setDebugLoc

Set source location info. Try to avoid this, putting it in the constructor is preferable.

setFlags

Replace this node's optimization flags.

setHasDebugValue

Set whether this node has an associated debug value.

setIROrder

Set the node ordering.

setNodeId

Set unique node id.

setSchedulerWorklistVisited

Set visited state for ScheduleDAGSDNodes::BuildSchedUnits.

use_begin

Provide iteration support to walk over all uses of an SDNode.

use_empty

Return true if there are no uses of this node.

use_size

Return the number of uses of this node. This method takes time proportional to the number of uses.

user_begin

Provide iteration support to walk over all users of an SDNode.

users

Return a range over all users of this node.

users

Return a const range over all users of this node.

uses

Return a range over all uses of this node.

uses

Return a const range over all uses of this node.

value_begin

Return an iterator to the first result value type.

value_end

Return an iterator past the last result value type.

values

Return a range over this node's result value types.

Name

Description

areOnlyUsersOf

Return true if all the users of N are contained in Nodes. NOTE: Requires at least one match, but doesn't require them all.

getIndexedModeName

Return a printable name for indexed mode AM.

getMaxNumOperands

Return the maximum number of operands that a SDNode can hold.

hasPredecessorHelper

Return true if N is a predecessor of any node in Worklist.

use_end

Return the end iterator for the use list.

user_end

Return the end iterator for the user list.

Name

Description

CombinerWorklistIndex [variant member]

DAGCombiner worklist index, or a negative sentinel.

ConstantSDNodeBits [variant member]

ConstantSDNode bitfields.

LSBaseSDNodeBits [variant member]

LSBaseSDNode bitfields.

LoadSDNodeBits [variant member]

LoadSDNode bitfields.

MemSDNodeBits [variant member]

MemSDNode bitfields.

PersistentId

Unique persistent id per SDNode used for debug printing.

RawSDNodeBits [variant member]

Raw bytes overlaying subclass bitfields.

SDNodeBits [variant member]

Base SDNode bitfields.

SchedulerWorklistVisited [variant member]

Visited state in ScheduleDAGSDNodes::BuildSchedUnits.

StoreSDNodeBits [variant member]

StoreSDNode bitfields.

Name

Description

ConstantSDNodeBitfields

Bitfields specific to ConstantSDNode.

LSBaseSDNodeBitfields

Bitfields for load/store addressing mode and related hierarchies.

LoadSDNodeBitfields

Bitfields specific to load‐like SDNode subclasses.

MemSDNodeBitfields

Bitfields shared by memory‐accessing SDNode subclasses.

SDNodeBitfields

Bitfields shared by all SDNode subclasses in SubclassData.

StoreSDNodeBitfields

Bitfields specific to store‐like SDNode subclasses.

Name

Description

Unnamed enum

Width of SDNodeBitfields in SubclassData.

Unnamed enum

Width of MemSDNodeBitfields, including SDNode bits.

Unnamed enum

Width of LSBaseSDNodeBitfields, including MemSDNode bits.

Name

Description

SDNode [constructor]

Construct an SDNode with opcode, order, location, and types.

DropOperands

Release the operands and set this node to have zero operands.

Name

Description

getSDVTList

Return an SDVTList for single simple type VT.

Name

Description

llvm::HandleSDNode

Persistent handle around another node updated across RAUW.

llvm::SelectionDAG

This is used to represent a portion of an LLVM function as a DAG.

Name

Description

checkForCycles

Check the subgraph rooted at N for cycles.

ISD::allOperandsUndef

Return true if all operands of N are ISD::UNDEF.

ISD::isBuildVectorAllOnes

Return true if N is a BUILD_VECTOR of all ones or undef.

ISD::isBuildVectorAllZeros

Return true if N is a BUILD_VECTOR of all zeros or undef.

ISD::isBuildVectorOfConstantFPSDNodes

Return true if N is a BUILD_VECTOR of ConstantFPSDNode or undef.

ISD::isBuildVectorOfConstantSDNodes

Return true if N is a BUILD_VECTOR of ConstantSDNode or undef.

ISD::isConstantSplatVector

Return true if N is a constant splat BUILD_VECTOR or SPLAT_VECTOR.

ISD::isConstantSplatVectorAllOnes

Return true if N is an all‐ones constant splat vector.

ISD::isConstantSplatVectorAllZeros

Return true if N is an all‐zeros constant splat vector.

ISD::isEXTLoad

Returns true if the specified node is a EXTLOAD.

ISD::isFreezeUndef

Return true if N is FREEZE(UNDEF).

ISD::isNON_EXTLoad

Returns true if the specified node is a non‐extending load.

ISD::isNormalLoad

Returns true if the specified node is a non‐extending and unindexed load.

ISD::isNormalMaskedLoad

Returns true if N is a non‐extending unindexed masked load.

ISD::isNormalMaskedStore

Returns true if N is a non‐truncating unindexed masked store.

ISD::isNormalStore

Returns true if the specified node is a non‐truncating unindexed store.

ISD::isSEXTLoad

Returns true if the specified node is a SEXTLOAD.

ISD::isUNINDEXEDLoad

Returns true if the specified node is an unindexed load.

ISD::isUNINDEXEDStore

Returns true if the specified node is an unindexed store.

ISD::isVectorShrinkable

Return true if vector elements of N shrink to NewEltSize.

ISD::isZEXTLoad

Returns true if the specified node is a ZEXTLOAD.

SDPatternMatch::sd_context_match

Match SDNode N (result 0) against pattern P under context Ctx.

SDPatternMatch::sd_match

Match SDNode N against pattern P without a SelectionDAG.

SDPatternMatch::sd_match

Match SDNode N against pattern P using a BasicMatchContext for DAG.

Name

Description

AddrSpaceCastSDNode

SDNode representing an address‐space cast.

AssertAlignSDNode

SDNode asserting that a value is aligned to a given alignment.

BasicBlockSDNode

SDNode referencing a MachineBasicBlock.

BlockAddressSDNode

SDNode referencing a BlockAddress with optional offset and flags.

BuildVectorSDNode

A "pseudo‐class" with methods for operating on BUILD_VECTORs.

CondCodeSDNode

SDNode holding an ISD condition code.

ConstantFPSDNode

SDNode representing a floating‐point constant.

ConstantPoolSDNode

SDNode referencing a constant pool entry.

ConstantSDNode

SDNode representing an integer constant.

DeactivationSymbolSDNode

SDNode representing a deactivation symbol global.

ExternalSymbolSDNode

SDNode referencing an external symbol name.

FrameIndexSDNode

SDNode representing a stack frame index.

GlobalAddressSDNode

SDNode referencing a GlobalValue with optional offset and flags.

HandleSDNode

Persistent handle around another node updated across RAUW.

JumpTableSDNode

SDNode referencing a jump table index.

LabelSDNode

SDNode wrapping an MCSymbol label.

LifetimeSDNode

This SDNode is used for LIFETIME_START/LIFETIME_END values.

MCSymbolSDNode

SDNode wrapping an MCSymbol.

MDNodeSDNode

SDNode wrapping an LLVM metadata node.

MachineSDNode

An SDNode that represents everything that will be needed to construct a MachineInstr. These nodes are created during the instruction selection proper phase.

MemSDNode

This is an abstract virtual class for memory operations.

PseudoProbeSDNode

Pseudo‐probe SDNode holding function guid and block index.

RegisterMaskSDNode

SDNode holding a register mask bitvector.

RegisterSDNode

SDNode representing a virtual or physical register.

ShuffleVectorSDNode

SDNode for the shufflevector code‐generator representation.

SrcValueSDNode

SDNode holding an arbitrary LLVM IR Value reference.

TargetIndexSDNode

Completely target‐dependent object reference.

VTSDNode

This class is used to represent EVT's, which are used to parameterize some operations.