This class contains a discriminated union of information about pointers in memory operands, relating them back to LLVM IR or to virtual locations (such as frame indices) that are exposed during codegen. More...
#include "llvm/CodeGen/MachineMemOperand.h"
Public Member Functions | |
| MachinePointerInfo (const Value *v, int64_t offset=0, uint8_t ID=0) | |
| MachinePointerInfo (const PseudoSourceValue *v, int64_t offset=0, uint8_t ID=0) | |
| MachinePointerInfo (unsigned AddressSpace=0, int64_t offset=0) | |
| MachinePointerInfo (PointerUnion< const Value *, const PseudoSourceValue * > v, int64_t offset=0, uint8_t ID=0) | |
| MachinePointerInfo | getWithOffset (int64_t O) const |
| LLVM_ABI bool | isDereferenceable (unsigned Size, LLVMContext &C, const DataLayout &DL) const |
| Return true if memory region [V, V+Offset+Size) is known to be dereferenceable. | |
| LLVM_ABI unsigned | getAddrSpace () const |
| Return the LLVM IR address space number that this pointer points into. | |
Static Public Member Functions | |
| static LLVM_ABI MachinePointerInfo | getConstantPool (MachineFunction &MF) |
| Return a MachinePointerInfo record that refers to the constant pool. | |
| static LLVM_ABI MachinePointerInfo | getFixedStack (MachineFunction &MF, int FI, int64_t Offset=0) |
| Return a MachinePointerInfo record that refers to the specified FrameIndex. | |
| static LLVM_ABI MachinePointerInfo | getJumpTable (MachineFunction &MF) |
| Return a MachinePointerInfo record that refers to a jump table entry. | |
| static LLVM_ABI MachinePointerInfo | getGOT (MachineFunction &MF) |
| Return a MachinePointerInfo record that refers to a GOT entry. | |
| static LLVM_ABI MachinePointerInfo | getStack (MachineFunction &MF, int64_t Offset, uint8_t ID=0) |
| Stack pointer relative access. | |
| static LLVM_ABI MachinePointerInfo | getUnknownStack (MachineFunction &MF) |
| Stack memory without other information. | |
Public Attributes | |
| PointerUnion< const Value *, const PseudoSourceValue * > | V |
| This is the IR pointer value for the access, or it is null if unknown. | |
| int64_t | Offset |
| Offset - This is an offset from the base Value*. | |
| unsigned | AddrSpace = 0 |
| uint8_t | StackID |
Detailed Description
This class contains a discriminated union of information about pointers in memory operands, relating them back to LLVM IR or to virtual locations (such as frame indices) that are exposed during codegen.
Definition at line 42 of file MachineMemOperand.h.
Constructor & Destructor Documentation
◆ MachinePointerInfo() [1/4]
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inlineexplicit |
Definition at line 53 of file MachineMemOperand.h.
References AddrSpace, llvm::getPointerAddressSpace(), Offset, StackID, and V.
Referenced by getConstantPool(), getFixedStack(), getGOT(), getJumpTable(), getStack(), getUnknownStack(), and getWithOffset().
◆ MachinePointerInfo() [2/4]
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inlineexplicit |
◆ MachinePointerInfo() [3/4]
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inlineexplicit |
◆ MachinePointerInfo() [4/4]
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inlineexplicit |
Definition at line 69 of file MachineMemOperand.h.
References AddrSpace, llvm::cast(), llvm::dyn_cast_if_present(), Offset, StackID, and V.
Member Function Documentation
◆ getAddrSpace()
| unsigned MachinePointerInfo::getAddrSpace | ( | ) | const |
Return the LLVM IR address space number that this pointer points into.
getAddrSpace - Return the LLVM IR address space number that this pointer points into.
Definition at line 1038 of file MachineOperand.cpp.
References AddrSpace.
Referenced by AddNodeIDCustom(), llvm::X86SelectionDAGInfo::EmitTargetCodeForMemcpy(), llvm::X86SelectionDAGInfo::EmitTargetCodeForMemset(), llvm::MemSDNode::getAddressSpace(), llvm::SelectionDAG::getAtomic(), llvm::SelectionDAG::getGatherVP(), llvm::SelectionDAG::getGetFPEnv(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getLoadFFVP(), llvm::SelectionDAG::getLoadVP(), llvm::SelectionDAG::getMaskedGather(), llvm::SelectionDAG::getMaskedHistogram(), llvm::SelectionDAG::getMaskedLoad(), llvm::SelectionDAG::getMaskedScatter(), llvm::SelectionDAG::getMaskedStore(), llvm::SelectionDAG::getMemcpy(), getMemcpyLoadsAndStores(), llvm::SelectionDAG::getMemIntrinsicNode(), llvm::SelectionDAG::getMemmove(), getMemmoveLoadsAndStores(), llvm::SelectionDAG::getMemset(), getMemsetStores(), llvm::SelectionDAG::getScatterVP(), llvm::SelectionDAG::getSetFPEnv(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getStoreVP(), llvm::SelectionDAG::getStridedLoadVP(), llvm::SelectionDAG::getStridedStoreVP(), llvm::SelectionDAG::getTruncStoreVP(), llvm::SelectionDAG::getTruncStridedStoreVP(), llvm::MipsCallLowering::lowerFormalArguments(), llvm::CombinerHelper::matchCombineExtractedVectorLoad(), narrowExtractedVectorLoad(), and llvm::TargetLowering::scalarizeExtractedVectorLoad().
◆ getConstantPool()
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static |
Return a MachinePointerInfo record that refers to the constant pool.
getConstantPool - Return a MachinePointerInfo record that refers to the constant pool.
Definition at line 1058 of file MachineOperand.cpp.
References llvm::PseudoSourceValueManager::getConstantPool(), llvm::MachineFunction::getPSVManager(), and MachinePointerInfo().
Referenced by combineConcatVectorOps(), combineTargetShuffle(), llvm::TargetLowering::CTTZTableLookup(), emitLoadFromConstantPool(), llvm::CSKYInstrInfo::getGlobalBaseReg(), getLargeExternalSymbol(), getLargeGlobalAddress(), lowerBuildVectorAsBroadcast(), llvm::XtensaTargetLowering::LowerCall(), LowerUINT_TO_FP_i64(), lowerUINT_TO_FP_vXi32(), and llvm::X86TargetLowering::SimplifyDemandedVectorEltsForTargetShuffle().
◆ getFixedStack()
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static |
Return a MachinePointerInfo record that refers to the specified FrameIndex.
getFixedStack - Return a MachinePointerInfo record that refers to the the specified FrameIndex.
Definition at line 1064 of file MachineOperand.cpp.
References llvm::PseudoSourceValueManager::getFixedStack(), llvm::MachineFunction::getPSVManager(), MachinePointerInfo(), and Offset.
Referenced by addFrameReference(), llvm::addFrameReference(), llvm::addFrameReference(), llvm::M68k::addFrameReference(), llvm::M68k::addMemOperand(), buildEpilogRestore(), llvm::X86TargetLowering::BuildFILD(), buildPrologSpill(), llvm::SIRegisterInfo::buildVGPRSpillLoadStore(), llvm::LegalizerHelper::createStackTemporary(), emitBuildPairF64Pseudo(), llvm::PPCTargetLowering::EmitInstrWithCustomInserter(), llvm::TargetLoweringBase::emitPatchPoint(), llvm::X86FrameLowering::emitPrologue(), emitSplitF64Pseudo(), EmitTailCallStoreFPAndRetAddr(), EmitTailCallStoreRetAddr(), llvm::SelectionDAG::expandMultipleResultFPLibCall(), llvm::TargetLowering::expandUnalignedLoad(), llvm::TargetLowering::expandUnalignedStore(), llvm::TargetLowering::expandVECTOR_COMPRESS(), llvm::TargetLowering::expandVectorSplice(), foldInlineAsmMemOperand(), llvm::TargetInstrInfo::foldMemoryOperand(), getAddressForMemoryInput(), getFrameIndexMMO(), getMachineMemOperand(), llvm::MipsInstrInfo::GetMemOperand(), getStackAlignedMMO(), llvm::CallLowering::handleAssignments(), InferPointerInfo(), llvm::CallLowering::insertSRetLoads(), llvm::AArch64InstrInfo::loadRegFromStackSlot(), llvm::ARCInstrInfo::loadRegFromStackSlot(), llvm::ARMBaseInstrInfo::loadRegFromStackSlot(), llvm::AVRInstrInfo::loadRegFromStackSlot(), llvm::CSKYInstrInfo::loadRegFromStackSlot(), llvm::HexagonInstrInfo::loadRegFromStackSlot(), llvm::LoongArchInstrInfo::loadRegFromStackSlot(), llvm::MSP430InstrInfo::loadRegFromStackSlot(), llvm::RISCVInstrInfo::loadRegFromStackSlot(), llvm::SIInstrInfo::loadRegFromStackSlot(), llvm::SparcInstrInfo::loadRegFromStackSlot(), llvm::Thumb1InstrInfo::loadRegFromStackSlot(), llvm::Thumb2InstrInfo::loadRegFromStackSlot(), llvm::VEInstrInfo::loadRegFromStackSlot(), llvm::XCoreInstrInfo::loadRegFromStackSlot(), llvm::PPCInstrInfo::loadRegFromStackSlotNoUpd(), LowerATOMIC_STORE(), llvm::LoongArchTargetLowering::LowerCall(), llvm::RISCVTargetLowering::LowerCall(), llvm::SITargetLowering::LowerCall(), llvm::SystemZTargetLowering::LowerCall(), llvm::TargetLowering::LowerCallTo(), llvm::HexagonTargetLowering::LowerFormalArguments(), llvm::LoongArchTargetLowering::LowerFormalArguments(), llvm::RISCVTargetLowering::LowerFormalArguments(), llvm::SystemZTargetLowering::LowerFormalArguments(), llvm::VETargetLowering::LowerFormalArguments(), llvm::XtensaTargetLowering::LowerFormalArguments(), llvm::MipsCallLowering::lowerFormalArguments(), llvm::SparcTargetLowering::LowerFormalArguments_64(), llvm::ARMTargetLowering::PerformMVEExtCombine(), llvm::ARMTargetLowering::PerformMVETruncCombine(), llvm::RISCVDAGToDAGISel::PreprocessISelDAG(), llvm::X86TargetLowering::ReplaceNodeResults(), llvm::AArch64FrameLowering::restoreCalleeSavedRegisters(), llvm::SIFrameLowering::restoreCalleeSavedRegisters(), llvm::AArch64FrameLowering::spillCalleeSavedRegisters(), llvm::SIFrameLowering::spillCalleeSavedRegisters(), spillIncomingStatepointValue(), llvm::AArch64InstrInfo::storeRegToStackSlot(), llvm::ARCInstrInfo::storeRegToStackSlot(), llvm::ARMBaseInstrInfo::storeRegToStackSlot(), llvm::AVRInstrInfo::storeRegToStackSlot(), llvm::CSKYInstrInfo::storeRegToStackSlot(), llvm::HexagonInstrInfo::storeRegToStackSlot(), llvm::LoongArchInstrInfo::storeRegToStackSlot(), llvm::MSP430InstrInfo::storeRegToStackSlot(), llvm::RISCVInstrInfo::storeRegToStackSlot(), llvm::SIInstrInfo::storeRegToStackSlot(), llvm::SparcInstrInfo::storeRegToStackSlot(), llvm::Thumb1InstrInfo::storeRegToStackSlot(), llvm::Thumb2InstrInfo::storeRegToStackSlot(), llvm::VEInstrInfo::storeRegToStackSlot(), llvm::XCoreInstrInfo::storeRegToStackSlot(), llvm::PPCInstrInfo::storeRegToStackSlotNoUpd(), StoreTailCallArgumentsToStackSlot(), unpack64(), unpackF64OnLA32DSoftABI(), unpackF64OnRV32DSoftABI(), unpackFromMemLoc(), unpackFromMemLoc(), unpackFromMemLoc(), llvm::SelectionDAGBuilder::visitSPDescriptorFailure(), and llvm::SelectionDAGBuilder::visitSPDescriptorParent().
◆ getGOT()
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Return a MachinePointerInfo record that refers to a GOT entry.
Definition at line 1073 of file MachineOperand.cpp.
References llvm::PseudoSourceValueManager::getGOT(), llvm::MachineFunction::getPSVManager(), and MachinePointerInfo().
Referenced by expandLoadStackGuard(), llvm::ARMBaseInstrInfo::expandLoadStackGuardBase(), llvm::MipsTargetLowering::getAddrLocal(), getzOSCalleeAndADA(), llvm::AMDGPULegalizerInfo::legalizeGlobalValue(), LowerToTLSExecModel(), llvm::SparcTargetLowering::makeAddress(), and llvm::VETargetLowering::makeAddress().
◆ getJumpTable()
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static |
Return a MachinePointerInfo record that refers to a jump table entry.
Definition at line 1069 of file MachineOperand.cpp.
References llvm::PseudoSourceValueManager::getJumpTable(), llvm::MachineFunction::getPSVManager(), and MachinePointerInfo().
◆ getStack()
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static |
Stack pointer relative access.
Definition at line 1077 of file MachineOperand.cpp.
References llvm::MachineFunction::getPSVManager(), llvm::PseudoSourceValueManager::getStack(), MachinePointerInfo(), and Offset.
Referenced by M68kOutgoingArgHandler::getStackAddress(), llvm::AMDGPUTargetLowering::loadStackInputValue(), llvm::HexagonTargetLowering::LowerCall(), llvm::LoongArchTargetLowering::LowerCall(), llvm::RISCVTargetLowering::LowerCall(), llvm::SITargetLowering::LowerCall(), and llvm::AMDGPUTargetLowering::storeStackInputValue().
◆ getUnknownStack()
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static |
Stack memory without other information.
Definition at line 1082 of file MachineOperand.cpp.
References llvm::DataLayout::getAllocaAddrSpace(), llvm::MachineFunction::getDataLayout(), and MachinePointerInfo().
Referenced by llvm::TargetLowering::expandVECTOR_COMPRESS(), llvm::TargetLowering::expandVectorSplice(), llvm::CallLowering::handleAssignments(), and llvm::LegalizerHelper::lowerVECTOR_COMPRESS().
◆ getWithOffset()
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inline |
Definition at line 82 of file MachineMemOperand.h.
References AddrSpace, llvm::cast(), llvm::isa(), MachinePointerInfo(), Offset, StackID, and V.
Referenced by llvm::SIRegisterInfo::buildSpillLoadStore(), combineExtractFromVectorLoad(), combineStore(), combineTargetShuffle(), emitBuildPairF64Pseudo(), emitConstantSizeRepmov(), emitConstantSizeRepstos(), emitSplitF64Pseudo(), llvm::ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(), llvm::RISCVSelectionDAGInfo::EmitTargetCodeForMemset(), llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemset(), llvm::MachineFunction::getMachineMemOperand(), getMemcpyLoadsAndStores(), getMemmoveLoadsAndStores(), getMemsetStores(), llvm::LegalizerHelper::lowerExtractInsertVectorElt(), LowerF128Load(), LowerF128Store(), llvm::CombinerHelper::matchCombineExtractedVectorLoad(), PerformSplittingMVETruncToNarrowingStores(), PerformSplittingToNarrowingStores(), PerformSTORECombine(), prepareDescriptorIndirectCall(), llvm::RISCVDAGToDAGISel::PreprocessISelDAG(), reduceMaskedStoreToScalarStore(), llvm::TargetLowering::scalarizeExtractedVectorLoad(), ShrinkLoadReplaceStoreWithStore(), splitStoreSplat(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), and llvm::AMDGPUTargetLowering::SplitVectorStore().
◆ isDereferenceable()
| bool MachinePointerInfo::isDereferenceable | ( | unsigned | Size, |
| LLVMContext & | C, | ||
| const DataLayout & | DL ) const |
Return true if memory region [V, V+Offset+Size) is known to be dereferenceable.
isDereferenceable - Return true if V is always dereferenceable for Offset + Size byte.
Definition at line 1042 of file MachineOperand.cpp.
References llvm::CallingConv::C, llvm::cast(), DL, llvm::dyn_cast(), llvm::isa(), llvm::isDereferenceableAndAlignedPointer(), Offset, Size, and V.
Referenced by EltsFromConsecutiveLoads(), getMemcpyLoadsAndStores(), getMemmoveLoadsAndStores(), and llvm::AMDGPUTargetLowering::WidenOrSplitVectorLoad().
Member Data Documentation
◆ AddrSpace
| unsigned llvm::MachinePointerInfo::AddrSpace = 0 |
Definition at line 49 of file MachineMemOperand.h.
Referenced by getAddrSpace(), getWithOffset(), MachinePointerInfo(), MachinePointerInfo(), MachinePointerInfo(), and MachinePointerInfo().
◆ Offset
| int64_t llvm::MachinePointerInfo::Offset |
Offset - This is an offset from the base Value*.
Definition at line 47 of file MachineMemOperand.h.
Referenced by getFixedStack(), getStack(), getWithOffset(), llvm::inferAlignFromPtrInfo(), isDereferenceable(), MachinePointerInfo(), MachinePointerInfo(), MachinePointerInfo(), and MachinePointerInfo().
◆ StackID
| uint8_t llvm::MachinePointerInfo::StackID |
Definition at line 51 of file MachineMemOperand.h.
Referenced by getWithOffset(), MachinePointerInfo(), MachinePointerInfo(), MachinePointerInfo(), and MachinePointerInfo().
◆ V
| PointerUnion<const Value *, const PseudoSourceValue *> llvm::MachinePointerInfo::V |
This is the IR pointer value for the access, or it is null if unknown.
Definition at line 44 of file MachineMemOperand.h.
Referenced by llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getLoadVP(), llvm::MachineFunction::getMachineMemOperand(), getMemcpyLoadsAndStores(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getTruncStore(), llvm::SelectionDAG::getTruncStoreVP(), getWithOffset(), llvm::inferAlignFromPtrInfo(), isDereferenceable(), MachinePointerInfo(), MachinePointerInfo(), MachinePointerInfo(), and MachinePointerInfo().
The documentation for this struct was generated from the following files:
- include/llvm/CodeGen/MachineMemOperand.h
- lib/CodeGen/MachineOperand.cpp
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