llvm::MemSDNode Class Reference

Abstact virtual class for operations for memory operations. More...

#include <SelectionDAGNodes.h>

Inheritance diagram for llvm::MemSDNode:

Collaboration diagram for llvm::MemSDNode:

List of all members.

Public Member Functions
	MemSDNode (unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs, EVT MemoryVT, MachineMemOperand *MMO)
	MemSDNode (unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs, ArrayRef< SDValue > Ops, EVT MemoryVT, MachineMemOperand *MMO)
bool	readMem () const
bool	writeMem () const
unsigned	getOriginalAlignment () const
	Returns alignment and volatility of the memory access.
unsigned	getAlignment () const
unsigned	getRawSubclassData () const
bool	isVolatile () const
bool	isNonTemporal () const
bool	isInvariant () const
AtomicOrdering	getOrdering () const
SynchronizationScope	getSynchScope () const
int64_t	getSrcValueOffset () const
AAMDNodes	getAAInfo () const
	Returns the AA info that describes the dereference.
const MDNode *	getRanges () const
	Returns the Ranges that describes the dereference.
EVT	getMemoryVT () const
	getMemoryVT - Return the type of the in-memory value.
MachineMemOperand *	getMemOperand () const
const MachinePointerInfo &	getPointerInfo () const
unsigned	getAddressSpace () const
	getAddressSpace - Return the address space for the associated pointer
void	refineAlignment (const MachineMemOperand *NewMMO)
const SDValue &	getChain () const
const SDValue &	getBasePtr () const
Static Public Member Functions
static bool	classof (const SDNode *N)
Protected Attributes
MachineMemOperand *	MMO
	MMO - Memory reference information.

---

Detailed Description

Abstact virtual class for operations for memory operations.

Definition at line 1064 of file SelectionDAGNodes.h.

---

Constructor & Destructor Documentation

MemSDNode::MemSDNode	(	unsigned	Opc,
		unsigned	Order,
		DebugLoc	dl,
		SDVTList	VTs,
		EVT	MemoryVT,
		MachineMemOperand *	MMO
	)

Definition at line 6225 of file SelectionDAG.cpp.

References encodeMemSDNodeFlags(), llvm::MachineMemOperand::getSize(), llvm::EVT::getStoreSize(), llvm::MachineMemOperand::isInvariant(), llvm::MachineMemOperand::isNonTemporal(), isNonTemporal(), llvm::MachineMemOperand::isVolatile(), isVolatile(), MMO, llvm::SDNode::SubclassData, and llvm::ISD::UNINDEXED.

MemSDNode::MemSDNode	(	unsigned	Opc,
		unsigned	Order,
		DebugLoc	dl,
		SDVTList	VTs,
		ArrayRef< SDValue >	Ops,
		EVT	MemoryVT,
		MachineMemOperand *	MMO
	)

Definition at line 6239 of file SelectionDAG.cpp.

References encodeMemSDNodeFlags(), llvm::MachineMemOperand::getSize(), llvm::EVT::getStoreSize(), llvm::MachineMemOperand::isInvariant(), llvm::MachineMemOperand::isNonTemporal(), llvm::MachineMemOperand::isVolatile(), isVolatile(), MMO, llvm::SDNode::SubclassData, and llvm::ISD::UNINDEXED.

---

Member Function Documentation

static bool llvm::MemSDNode::classof

(

const SDNode *

N

)

[inline, static]

Reimplemented in llvm::StoreSDNode, llvm::LoadSDNode, llvm::LSBaseSDNode, llvm::MemIntrinsicSDNode, and llvm::AtomicSDNode.

Definition at line 1150 of file SelectionDAGNodes.h.

References llvm::ISD::ATOMIC_CMP_SWAP, llvm::ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS, llvm::ISD::ATOMIC_LOAD, llvm::ISD::ATOMIC_LOAD_ADD, llvm::ISD::ATOMIC_LOAD_AND, llvm::ISD::ATOMIC_LOAD_MAX, llvm::ISD::ATOMIC_LOAD_MIN, llvm::ISD::ATOMIC_LOAD_NAND, llvm::ISD::ATOMIC_LOAD_OR, llvm::ISD::ATOMIC_LOAD_SUB, llvm::ISD::ATOMIC_LOAD_UMAX, llvm::ISD::ATOMIC_LOAD_UMIN, llvm::ISD::ATOMIC_LOAD_XOR, llvm::ISD::ATOMIC_STORE, llvm::ISD::ATOMIC_SWAP, llvm::SDNode::getOpcode(), llvm::SDNode::isMemIntrinsic(), llvm::SDNode::isTargetMemoryOpcode(), llvm::ISD::LOAD, llvm::ISD::PREFETCH, and llvm::ISD::STORE.

AAMDNodes llvm::MemSDNode::getAAInfo

(

)

const [inline]

Returns the AA info that describes the dereference.

Definition at line 1115 of file SelectionDAGNodes.h.

Referenced by ExpandUnalignedLoad(), ExpandUnalignedStore(), and PerformSTORECombine().

unsigned llvm::MemSDNode::getAddressSpace

(

)

const [inline]

getAddressSpace - Return the address space for the associated pointer

Definition at line 1132 of file SelectionDAGNodes.h.

Referenced by ExpandUnalignedStore(), llvm::AMDGPUTargetLowering::LowerLOAD(), llvm::AMDGPUTargetLowering::LowerSTORE(), and llvm::SITargetLowering::PerformDAGCombine().

unsigned llvm::MemSDNode::getAlignment

(

)

const [inline]

Definition at line 1087 of file SelectionDAGNodes.h.

Referenced by EltsFromConsecutiveLoads(), ExpandUnalignedLoad(), ExpandUnalignedStore(), llvm::SelectionDAG::getIndexedLoad(), LowerF128Load(), LowerF128Store(), lowerFP_TO_SINT_STORE(), llvm::MipsTargetLowering::lowerLOAD(), llvm::MipsTargetLowering::lowerSTORE(), llvm::PPCTargetLowering::PerformDAGCombine(), performIntToFpCombine(), PerformLOADCombine(), performSTORECombine(), PerformSTORECombine(), PerformVMOVRRDCombine(), ReplaceLoadVector(), replaceSplatVectorStore(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), llvm::AMDGPUTargetLowering::ScalarizeVectorStore(), ShrinkLoadReplaceStoreWithStore(), llvm::TargetLowering::SimplifySetCC(), SkipLoadExtensionForVMULL(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), llvm::AMDGPUTargetLowering::SplitVectorStore(), and XFormVExtractWithShuffleIntoLoad().

const SDValue& llvm::MemSDNode::getBasePtr

(

)

const [inline]

Reimplemented in llvm::StoreSDNode, llvm::LoadSDNode, and llvm::AtomicSDNode.

Definition at line 1145 of file SelectionDAGNodes.h.

References llvm::SDNode::getOpcode(), llvm::SDNode::getOperand(), and llvm::ISD::STORE.

Referenced by isConsecutiveLSLoc(), and llvm::SITargetLowering::PerformDAGCombine().

const SDValue& llvm::MemSDNode::getChain

(

)

const [inline]

Definition at line 1144 of file SelectionDAGNodes.h.

References llvm::SDNode::getOperand().

Referenced by EltsFromConsecutiveLoads(), ExpandUnalignedLoad(), ExpandUnalignedStore(), findConsecutiveLoad(), llvm::SelectionDAG::getIndexedLoad(), llvm::SelectionDAG::getIndexedStore(), llvm::SelectionDAG::isConsecutiveLoad(), isLoadIncOrDecStore(), LowerF128Load(), LowerF128Store(), lowerFP_TO_SINT_STORE(), llvm::AMDGPUTargetLowering::LowerLOAD(), llvm::MipsTargetLowering::lowerLOAD(), llvm::AMDGPUTargetLowering::LowerSTORE(), lowerUnalignedIntStore(), NarrowVectorLoadToElement(), llvm::PPCTargetLowering::PerformDAGCombine(), performIntToFpCombine(), PerformLOADCombine(), PerformSINT_TO_FPCombine(), performSTORECombine(), PerformSTORECombine(), PerformVMOVRRDCombine(), replaceSplatVectorStore(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), llvm::AMDGPUTargetLowering::ScalarizeVectorStore(), ShrinkLoadReplaceStoreWithStore(), llvm::TargetLowering::SimplifySetCC(), SkipLoadExtensionForVMULL(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), and llvm::AMDGPUTargetLowering::SplitVectorStore().

MachineMemOperand* llvm::MemSDNode::getMemOperand

(

)

const [inline]

getMemOperand - Return a MachineMemOperand object describing the memory reference performed by operation.

Definition at line 1125 of file SelectionDAGNodes.h.

Referenced by CombineBaseUpdate(), CombineVLDDUP(), createLoadLR(), createStoreLR(), ExpandUnalignedLoad(), getCodeAddrSpace(), llvm::SelectionDAG::getIndexedStore(), llvm::AMDGPUTargetLowering::LowerLOAD(), NarrowVectorLoadToElement(), llvm::PPCTargetLowering::PerformDAGCombine(), performNEONPostLDSTCombine(), performPostLD1Combine(), ReplaceINTRINSIC_W_CHAIN(), ReplaceLoadVector(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), llvm::AMDGPUTargetLowering::ScalarizeVectorStore(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), and llvm::AMDGPUTargetLowering::SplitVectorStore().

EVT llvm::MemSDNode::getMemoryVT

(

)

const [inline]

getMemoryVT - Return the type of the in-memory value.

Definition at line 1121 of file SelectionDAGNodes.h.

Referenced by AddNodeIDCustom(), checkValueWidth(), CombineBaseUpdate(), CombineVLDDUP(), llvm::SelectionDAG::computeKnownBits(), createLoadLR(), createStoreLR(), ExpandUnalignedLoad(), ExpandUnalignedStore(), findConsecutiveLoad(), llvm::SelectionDAG::getIndexedLoad(), llvm::SelectionDAG::getIndexedStore(), isLoadIncOrDecStore(), isValidIndexedLoad(), llvm::AMDGPUTargetLowering::LowerLOAD(), llvm::MipsTargetLowering::lowerLOAD(), llvm::AMDGPUTargetLowering::LowerSTORE(), llvm::MipsTargetLowering::lowerSTORE(), PerformANDCombine(), llvm::PPCTargetLowering::PerformDAGCombine(), PerformLOADCombine(), performNEONPostLDSTCombine(), performPostLD1Combine(), PerformSTORECombine(), ReplaceINTRINSIC_W_CHAIN(), ReplaceLoadVector(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), llvm::AMDGPUTargetLowering::ScalarizeVectorStore(), llvm::TargetLowering::SimplifySetCC(), SkipLoadExtensionForVMULL(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), and llvm::AMDGPUTargetLowering::SplitVectorStore().

AtomicOrdering llvm::MemSDNode::getOrdering

(

)

const [inline]

Definition at line 1104 of file SelectionDAGNodes.h.

References llvm::SDNode::SubclassData.

unsigned llvm::MemSDNode::getOriginalAlignment

(

)

const [inline]

Returns alignment and volatility of the memory access.

Definition at line 1084 of file SelectionDAGNodes.h.

const MachinePointerInfo& llvm::MemSDNode::getPointerInfo

(

)

const [inline]

Definition at line 1127 of file SelectionDAGNodes.h.

Referenced by AddNodeIDCustom(), EltsFromConsecutiveLoads(), ExpandUnalignedLoad(), ExpandUnalignedStore(), llvm::SelectionDAG::getIndexedLoad(), llvm::SelectionDAG::getIndexedStore(), LowerF128Load(), lowerFP_TO_SINT_STORE(), performIntToFpCombine(), PerformLOADCombine(), performSTORECombine(), PerformSTORECombine(), PerformVMOVRRDCombine(), replaceSplatVectorStore(), ShrinkLoadReplaceStoreWithStore(), llvm::TargetLowering::SimplifySetCC(), and SkipLoadExtensionForVMULL().

const MDNode* llvm::MemSDNode::getRanges

(

)

const [inline]

Returns the Ranges that describes the dereference.

Definition at line 1118 of file SelectionDAGNodes.h.

Referenced by llvm::SelectionDAG::computeKnownBits().

unsigned llvm::MemSDNode::getRawSubclassData

(

)

const [inline]

getRawSubclassData - Return the SubclassData value, which contains an encoding of the volatile flag, as well as bits used by subclasses. This function should only be used to compute a FoldingSetNodeID value.

Definition at line 1094 of file SelectionDAGNodes.h.

References llvm::SDNode::SubclassData.

Referenced by AddNodeIDCustom(), and llvm::SelectionDAG::getIndexedStore().

int64_t llvm::MemSDNode::getSrcValueOffset

(

)

const [inline]

Definition at line 1112 of file SelectionDAGNodes.h.

SynchronizationScope llvm::MemSDNode::getSynchScope

(

)

const [inline]

Definition at line 1107 of file SelectionDAGNodes.h.

References llvm::SDNode::SubclassData.

bool llvm::MemSDNode::isInvariant

(

)

const [inline]

Definition at line 1102 of file SelectionDAGNodes.h.

References llvm::SDNode::SubclassData.

Referenced by EltsFromConsecutiveLoads(), ExpandUnalignedLoad(), performIntToFpCombine(), PerformLOADCombine(), PerformSTORECombine(), PerformVMOVRRDCombine(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), SkipLoadExtensionForVMULL(), and llvm::AMDGPUTargetLowering::SplitVectorLoad().

bool llvm::MemSDNode::isNonTemporal

(

)

const [inline]

Definition at line 1101 of file SelectionDAGNodes.h.

References llvm::SDNode::SubclassData.

Referenced by EltsFromConsecutiveLoads(), ExpandUnalignedLoad(), ExpandUnalignedStore(), llvm::SelectionDAG::getIndexedLoad(), isLoadIncOrDecStore(), lowerFP_TO_SINT_STORE(), MemSDNode(), performIntToFpCombine(), PerformLOADCombine(), performSTORECombine(), PerformSTORECombine(), PerformVMOVRRDCombine(), replaceSplatVectorStore(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), llvm::AMDGPUTargetLowering::ScalarizeVectorStore(), SkipLoadExtensionForVMULL(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), and llvm::AMDGPUTargetLowering::SplitVectorStore().

bool llvm::MemSDNode::isVolatile

(

)

const [inline]

Definition at line 1100 of file SelectionDAGNodes.h.

References llvm::SDNode::SubclassData.

Referenced by EltsFromConsecutiveLoads(), ExpandUnalignedLoad(), ExpandUnalignedStore(), llvm::SelectionDAG::getIndexedLoad(), isCalleeLoad(), lowerFP_TO_SINT_STORE(), MemSDNode(), performIntToFpCombine(), PerformLOADCombine(), PerformSINT_TO_FPCombine(), performSTORECombine(), PerformSTORECombine(), PerformVMOVRRDCombine(), replaceSplatVectorStore(), llvm::AMDGPUTargetLowering::ScalarizeVectorLoad(), llvm::AMDGPUTargetLowering::ScalarizeVectorStore(), llvm::TargetLowering::SimplifySetCC(), SkipLoadExtensionForVMULL(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), llvm::AMDGPUTargetLowering::SplitVectorStore(), and XFormVExtractWithShuffleIntoLoad().

bool llvm::MemSDNode::readMem

(

)

const [inline]

Definition at line 1080 of file SelectionDAGNodes.h.

void llvm::MemSDNode::refineAlignment

(

const MachineMemOperand *

NewMMO

)

[inline]

refineAlignment - Update this MemSDNode's MachineMemOperand information to reflect the alignment of NewMMO, if it has a greater alignment. This must only be used when the new alignment applies to all users of this MachineMemOperand.

Definition at line 1140 of file SelectionDAGNodes.h.

bool llvm::MemSDNode::writeMem

(

)

const [inline]

Definition at line 1081 of file SelectionDAGNodes.h.

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Member Data Documentation

MachineMemOperand* llvm::MemSDNode::MMO [protected]

MMO - Memory reference information.

Definition at line 1071 of file SelectionDAGNodes.h.

Referenced by MemSDNode().

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The documentation for this class was generated from the following files:

• SelectionDAGNodes.h
• SelectionDAG.cpp