LLVM  4.0.0
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llvm::FunctionLoweringInfo Class Reference

FunctionLoweringInfo - This contains information that is global to a function that is used when lowering a region of the function. More...

#include <FunctionLoweringInfo.h>

Collaboration diagram for llvm::FunctionLoweringInfo:
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Classes

struct  LiveOutInfo
 
struct  StatepointSpillMap
 Keep track of frame indices allocated for statepoints as they could be used across basic block boundaries. More...
 

Public Types

typedef SmallVector< const
Value *, 1 > 
SwiftErrorValues
 

Public Member Functions

unsigned getOrCreateSwiftErrorVReg (const MachineBasicBlock *, const Value *)
 Get or create the swifterror value virtual register in SwiftErrorVRegDefMap for this basic block. More...
 
void setCurrentSwiftErrorVReg (const MachineBasicBlock *MBB, const Value *, unsigned)
 Set the swifterror virtual register in the SwiftErrorVRegDefMap for this basic block. More...
 
void set (const Function &Fn, MachineFunction &MF, SelectionDAG *DAG)
 set - Initialize this FunctionLoweringInfo with the given Function and its associated MachineFunction. More...
 
void clear ()
 clear - Clear out all the function-specific state. More...
 
bool isExportedInst (const Value *V)
 isExportedInst - Return true if the specified value is an instruction exported from its block. More...
 
unsigned CreateReg (MVT VT)
 CreateReg - Allocate a single virtual register for the given type. More...
 
unsigned CreateRegs (Type *Ty)
 CreateRegs - Allocate the appropriate number of virtual registers of the correctly promoted or expanded types. More...
 
unsigned InitializeRegForValue (const Value *V)
 
const LiveOutInfoGetLiveOutRegInfo (unsigned Reg)
 GetLiveOutRegInfo - Gets LiveOutInfo for a register, returning NULL if the register is a PHI destination and the PHI's LiveOutInfo is not valid. More...
 
const LiveOutInfoGetLiveOutRegInfo (unsigned Reg, unsigned BitWidth)
 GetLiveOutRegInfo - Gets LiveOutInfo for a register, returning NULL if the register is a PHI destination and the PHI's LiveOutInfo is not valid. More...
 
void AddLiveOutRegInfo (unsigned Reg, unsigned NumSignBits, const APInt &KnownZero, const APInt &KnownOne)
 AddLiveOutRegInfo - Adds LiveOutInfo for a register. More...
 
void ComputePHILiveOutRegInfo (const PHINode *)
 ComputePHILiveOutRegInfo - Compute LiveOutInfo for a PHI's destination register based on the LiveOutInfo of its operands. More...
 
void InvalidatePHILiveOutRegInfo (const PHINode *PN)
 InvalidatePHILiveOutRegInfo - Invalidates a PHI's LiveOutInfo, to be called when a block is visited before all of its predecessors. More...
 
void setArgumentFrameIndex (const Argument *A, int FI)
 setArgumentFrameIndex - Record frame index for the byval argument. More...
 
int getArgumentFrameIndex (const Argument *A)
 getArgumentFrameIndex - Get frame index for the byval argument. More...
 
unsigned getCatchPadExceptionPointerVReg (const Value *CPI, const TargetRegisterClass *RC)
 

Public Attributes

const FunctionFn
 
MachineFunctionMF
 
const TargetLoweringTLI
 
MachineRegisterInfoRegInfo
 
BranchProbabilityInfoBPI
 
bool CanLowerReturn
 CanLowerReturn - true iff the function's return value can be lowered to registers. More...
 
bool SplitCSR
 True if part of the CSRs will be handled via explicit copies. More...
 
unsigned DemoteRegister
 DemoteRegister - if CanLowerReturn is false, DemoteRegister is a vreg allocated to hold a pointer to the hidden sret parameter. More...
 
DenseMap< const BasicBlock
*, MachineBasicBlock * > 
MBBMap
 MBBMap - A mapping from LLVM basic blocks to their machine code entry. More...
 
llvm::DenseMap< std::pair
< const MachineBasicBlock
*, const Value * >, unsigned
SwiftErrorVRegDefMap
 A map from swifterror value in a basic block to the virtual register it is currently represented by. More...
 
llvm::DenseMap< std::pair
< const MachineBasicBlock
*, const Value * >, unsigned
SwiftErrorVRegUpwardsUse
 A list of upward exposed vreg uses that need to be satisfied by either a copy def or a phi node at the beginning of the basic block representing the predecessor(s) swifterror value. More...
 
const ValueSwiftErrorArg
 The swifterror argument of the current function. More...
 
SwiftErrorValues SwiftErrorVals
 A function can only have a single swifterror argument. More...
 
DenseMap< const Value *, unsignedValueMap
 ValueMap - Since we emit code for the function a basic block at a time, we must remember which virtual registers hold the values for cross-basic-block values. More...
 
DenseMap< const Value *, unsignedCatchPadExceptionPointers
 Track virtual registers created for exception pointers. More...
 
DenseMap< const Instruction
*, StatepointSpillMap
StatepointSpillMaps
 Maps gc.statepoint instructions to their corresponding StatepointSpillMap instances. More...
 
DenseMap< const AllocaInst *, int > StaticAllocaMap
 StaticAllocaMap - Keep track of frame indices for fixed sized allocas in the entry block. More...
 
DenseMap< const Argument *, int > ByValArgFrameIndexMap
 ByValArgFrameIndexMap - Keep track of frame indices for byval arguments. More...
 
SmallVector< MachineInstr *, 8 > ArgDbgValues
 ArgDbgValues - A list of DBG_VALUE instructions created during isel for function arguments that are inserted after scheduling is completed. More...
 
DenseMap< unsigned, unsignedRegFixups
 RegFixups - Registers which need to be replaced after isel is done. More...
 
SmallVector< unsigned, 50 > StatepointStackSlots
 StatepointStackSlots - A list of temporary stack slots (frame indices) used to spill values at a statepoint. More...
 
MachineBasicBlockMBB
 MBB - The current block. More...
 
MachineBasicBlock::iterator InsertPt
 MBB - The current insert position inside the current block. More...
 
DenseMap< const Value
*, ISD::NodeType
PreferredExtendType
 Record the preferred extend type (ISD::SIGN_EXTEND or ISD::ZERO_EXTEND) for a value. More...
 
SmallPtrSet< const BasicBlock *, 4 > VisitedBBs
 VisitedBBs - The set of basic blocks visited thus far by instruction selection. More...
 
std::vector< std::pair
< MachineInstr *, unsigned > > 
PHINodesToUpdate
 PHINodesToUpdate - A list of phi instructions whose operand list will be updated after processing the current basic block. More...
 
unsigned OrigNumPHINodesToUpdate
 
unsigned ExceptionPointerVirtReg
 If the current MBB is a landing pad, the exception pointer and exception selector registers are copied into these virtual registers by SelectionDAGISel::PrepareEHLandingPad(). More...
 
unsigned ExceptionSelectorVirtReg
 

Detailed Description

FunctionLoweringInfo - This contains information that is global to a function that is used when lowering a region of the function.

Definition at line 53 of file FunctionLoweringInfo.h.

Member Typedef Documentation

Definition at line 88 of file FunctionLoweringInfo.h.

Member Function Documentation

void llvm::FunctionLoweringInfo::AddLiveOutRegInfo ( unsigned  Reg,
unsigned  NumSignBits,
const APInt KnownZero,
const APInt KnownOne 
)
inline
void FunctionLoweringInfo::clear ( )
void FunctionLoweringInfo::ComputePHILiveOutRegInfo ( const PHINode PN)
unsigned FunctionLoweringInfo::CreateReg ( MVT  VT)
unsigned FunctionLoweringInfo::CreateRegs ( Type Ty)

CreateRegs - Allocate the appropriate number of virtual registers of the correctly promoted or expanded types.

Assign these registers consecutive vreg numbers and return the first assigned number.

In the case that the given value has struct or array type, this function will assign registers for each member or element.

Definition at line 369 of file FunctionLoweringInfo.cpp.

References llvm::ComputeValueVTs(), CreateReg(), llvm::Type::getContext(), llvm::MachineFunction::getDataLayout(), llvm::TargetLoweringBase::getNumRegisters(), llvm::TargetLoweringBase::getRegisterType(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), i, MF, llvm::SmallVectorTemplateCommon< T >::size(), and TLI.

Referenced by InitializeRegForValue(), and llvm::SelectionDAGBuilder::LowerStatepoint().

int FunctionLoweringInfo::getArgumentFrameIndex ( const Argument A)

getArgumentFrameIndex - Get frame index for the byval argument.

If the argument does not have any assigned frame index then 0 is returned.

Definition at line 517 of file FunctionLoweringInfo.cpp.

References ByValArgFrameIndexMap, llvm::dbgs(), DEBUG, and I.

Referenced by llvm::FastISel::selectIntrinsicCall().

unsigned FunctionLoweringInfo::getCatchPadExceptionPointerVReg ( const Value CPI,
const TargetRegisterClass RC 
)
const LiveOutInfo* llvm::FunctionLoweringInfo::GetLiveOutRegInfo ( unsigned  Reg)
inline

GetLiveOutRegInfo - Gets LiveOutInfo for a register, returning NULL if the register is a PHI destination and the PHI's LiveOutInfo is not valid.

Definition at line 230 of file FunctionLoweringInfo.h.

References llvm::FunctionLoweringInfo::LiveOutInfo::IsValid.

Referenced by ComputePHILiveOutRegInfo(), and llvm::RegsForValue::getCopyFromRegs().

const FunctionLoweringInfo::LiveOutInfo * FunctionLoweringInfo::GetLiveOutRegInfo ( unsigned  Reg,
unsigned  BitWidth 
)

GetLiveOutRegInfo - Gets LiveOutInfo for a register, returning NULL if the register is a PHI destination and the PHI's LiveOutInfo is not valid.

If the register's LiveOutInfo is for a smaller bit width, it is extended to the larger bit width by zero extension. The bit width must be no smaller than the LiveOutInfo's existing bit width.

Definition at line 395 of file FunctionLoweringInfo.cpp.

References llvm::APInt::getBitWidth(), llvm::FunctionLoweringInfo::LiveOutInfo::IsValid, llvm::FunctionLoweringInfo::LiveOutInfo::KnownOne, llvm::FunctionLoweringInfo::LiveOutInfo::KnownZero, llvm::FunctionLoweringInfo::LiveOutInfo::NumSignBits, and llvm::APInt::zextOrTrunc().

unsigned FunctionLoweringInfo::getOrCreateSwiftErrorVReg ( const MachineBasicBlock MBB,
const Value Val 
)
unsigned llvm::FunctionLoweringInfo::InitializeRegForValue ( const Value V)
inline
void llvm::FunctionLoweringInfo::InvalidatePHILiveOutRegInfo ( const PHINode PN)
inline

InvalidatePHILiveOutRegInfo - Invalidates a PHI's LiveOutInfo, to be called when a block is visited before all of its predecessors.

Definition at line 268 of file FunctionLoweringInfo.h.

References llvm::ValueMap< KeyT, ValueT, Config >::end(), and llvm::ValueMap< KeyT, ValueT, Config >::find().

bool llvm::FunctionLoweringInfo::isExportedInst ( const Value V)
inline

isExportedInst - Return true if the specified value is an instruction exported from its block.

Definition at line 211 of file FunctionLoweringInfo.h.

References llvm::ValueMap< KeyT, ValueT, Config >::count().

Referenced by llvm::SelectionDAGBuilder::ExportFromCurrentBlock(), llvm::SelectionDAGBuilder::isExportableFromCurrentBlock(), and isFoldedOrDeadInstruction().

void FunctionLoweringInfo::set ( const Function Fn,
MachineFunction MF,
SelectionDAG DAG 
)

set - Initialize this FunctionLoweringInfo with the given Function and its associated MachineFunction.

Definition at line 82 of file FunctionLoweringInfo.cpp.

References llvm::dwarf::syntax::Address, llvm::WinEHHandlerType::Alloca, assert(), llvm::BuildMI(), llvm::calculateClrEHStateNumbers(), llvm::calculateSEHStateNumbers(), llvm::calculateWinCXXEHStateNumbers(), CanLowerReturn, llvm::WinEHHandlerType::CatchObj, llvm::classifyEHPersonality(), llvm::CxxUnwindMapEntry::Cleanup, llvm::WinEHFuncInfo::ClrEHUnwindMap, llvm::ComputeValueVTs(), llvm::CoreCLR, llvm::MachineFrameInfo::CreateFixedObject(), llvm::MachineFunction::CreateMachineBasicBlock(), llvm::MachineFrameInfo::CreateStackObject(), llvm::MachineFrameInfo::CreateVariableSizedObject(), llvm::WinEHFuncInfo::CxxUnwindMap, llvm::dyn_cast(), llvm::DenseMapBase< DenseMap< KeyT, ValueT, KeyInfoT, BucketT >, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DenseMap< KeyT, ValueT, KeyInfoT, BucketT >, KeyT, ValueT, KeyInfoT, BucketT >::find(), Fn, llvm::ISD::FrameIndex, llvm::WinEHHandlerType::FrameIndex, llvm::MCInstrInfo::get(), llvm::PointerUnion< PT1, PT2 >::get(), llvm::Function::getAttributes(), llvm::CallSiteBase< FunTy, BBTy, ValTy, UserTy, UseTy, InstrTy, CallTy, InvokeTy, IterTy >::getCalledValue(), llvm::Function::getCallingConv(), llvm::Function::getContext(), llvm::MachineFunction::getDataLayout(), llvm::Instruction::getDebugLoc(), llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineFunction::getMMI(), llvm::Function::getPersonalityFn(), getPreferredExtendForValue(), llvm::DataLayout::getPrefTypeAlignment(), llvm::MachineFunction::getRegInfo(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::GetReturnInfo(), llvm::Function::getReturnType(), llvm::TargetFrameLowering::getStackAlignment(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::Value::getType(), llvm::DataLayout::getTypeAllocSize(), llvm::MachineFunction::getWinEHFuncInfo(), llvm::ConstantInt::getZExtValue(), H, llvm::SEHUnwindMapEntry::Handler, llvm::WinEHHandlerType::Handler, llvm::ClrEHUnwindMapEntry::Handler, llvm::WinEHTryBlockMapEntry::HandlerArray, llvm::MachineModuleInfo::hasDebugInfo(), llvm::Function::hasPersonalityFn(), I, i, InitializeRegForValue(), llvm::DenseMapBase< DenseMap< KeyT, ValueT, KeyInfoT, BucketT >, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::isAsynchronousEHPersonality(), llvm::InlineAsm::isClobber, llvm::Type::isEmptyTy(), llvm::isFuncletEHPersonality(), llvm::TargetFrameLowering::isStackRealignable(), isUsedOutsideOfDefiningBlock(), llvm::Function::isVarArg(), MBB, MBBMap, MF, llvm::MSVC_CXX, PreferredExtendType, llvm::MachineFunction::push_back(), RegInfo, llvm::WinEHFuncInfo::SEHUnwindMap, llvm::MachineBasicBlock::setHasAddressTaken(), llvm::MachineFunction::setHasEHFunclets(), llvm::MachineFrameInfo::setHasMustTailInVarArgFunc(), llvm::MachineFrameInfo::setHasOpaqueSPAdjustment(), llvm::MachineFrameInfo::setHasVAStart(), llvm::MachineBasicBlock::setIsEHPad(), llvm::MachineFrameInfo::setObjectAlignment(), llvm::MachineFunction::setVariableDbgInfo(), SI, StaticAllocaMap, TII, TLI, llvm::WinEHFuncInfo::TryBlockMap, and llvm::Value::use_empty().

Referenced by llvm::SelectionDAGISel::runOnMachineFunction().

void FunctionLoweringInfo::setArgumentFrameIndex ( const Argument A,
int  FI 
)

setArgumentFrameIndex - Record frame index for the byval argument.

This overrides previous frame index entry for this argument, if any.

Definition at line 509 of file FunctionLoweringInfo.cpp.

References A, and ByValArgFrameIndexMap.

void FunctionLoweringInfo::setCurrentSwiftErrorVReg ( const MachineBasicBlock MBB,
const Value Val,
unsigned  VReg 
)

Set the swifterror virtual register in the SwiftErrorVRegDefMap for this basic block.

Definition at line 556 of file FunctionLoweringInfo.cpp.

References SwiftErrorVRegDefMap.

Referenced by createSwiftErrorEntriesInEntryBlock(), llvm::SelectionDAGBuilder::LowerCallTo(), and propagateSwiftErrorVRegs().

Member Data Documentation

SmallVector<MachineInstr*, 8> llvm::FunctionLoweringInfo::ArgDbgValues

ArgDbgValues - A list of DBG_VALUE instructions created during isel for function arguments that are inserted after scheduling is completed.

Definition at line 154 of file FunctionLoweringInfo.h.

Referenced by clear(), and llvm::SelectionDAGISel::runOnMachineFunction().

BranchProbabilityInfo* llvm::FunctionLoweringInfo::BPI
DenseMap<const Argument*, int> llvm::FunctionLoweringInfo::ByValArgFrameIndexMap

ByValArgFrameIndexMap - Keep track of frame indices for byval arguments.

Definition at line 150 of file FunctionLoweringInfo.h.

Referenced by clear(), getArgumentFrameIndex(), and setArgumentFrameIndex().

bool llvm::FunctionLoweringInfo::CanLowerReturn

CanLowerReturn - true iff the function's return value can be lowered to registers.

Definition at line 62 of file FunctionLoweringInfo.h.

Referenced by llvm::FastISel::lowerArguments(), and set().

DenseMap<const Value *, unsigned> llvm::FunctionLoweringInfo::CatchPadExceptionPointers

Track virtual registers created for exception pointers.

Definition at line 111 of file FunctionLoweringInfo.h.

Referenced by getCatchPadExceptionPointerVReg().

unsigned llvm::FunctionLoweringInfo::DemoteRegister

DemoteRegister - if CanLowerReturn is false, DemoteRegister is a vreg allocated to hold a pointer to the hidden sret parameter.

Definition at line 69 of file FunctionLoweringInfo.h.

unsigned llvm::FunctionLoweringInfo::ExceptionPointerVirtReg

If the current MBB is a landing pad, the exception pointer and exception selector registers are copied into these virtual registers by SelectionDAGISel::PrepareEHLandingPad().

Definition at line 197 of file FunctionLoweringInfo.h.

unsigned llvm::FunctionLoweringInfo::ExceptionSelectorVirtReg

Definition at line 197 of file FunctionLoweringInfo.h.

const Function* llvm::FunctionLoweringInfo::Fn
MachineBasicBlock::iterator llvm::FunctionLoweringInfo::InsertPt
MachineBasicBlock* llvm::FunctionLoweringInfo::MBB
DenseMap<const BasicBlock*, MachineBasicBlock *> llvm::FunctionLoweringInfo::MBBMap

MBBMap - A mapping from LLVM basic blocks to their machine code entry.

Definition at line 72 of file FunctionLoweringInfo.h.

Referenced by llvm::FastISel::canFoldAddIntoGEP(), clear(), findUnwindDestinations(), llvm::SelectionDAGBuilder::lowerInvokable(), llvm::FastISel::selectOperator(), and set().

MachineFunction* llvm::FunctionLoweringInfo::MF
unsigned llvm::FunctionLoweringInfo::OrigNumPHINodesToUpdate

Definition at line 192 of file FunctionLoweringInfo.h.

Referenced by llvm::FastISel::selectInstruction().

std::vector<std::pair<MachineInstr*, unsigned> > llvm::FunctionLoweringInfo::PHINodesToUpdate

PHINodesToUpdate - A list of phi instructions whose operand list will be updated after processing the current basic block.

TODO: This isn't per-function state, it's per-basic-block state. But there's no other convenient place for it to live right now.

Definition at line 191 of file FunctionLoweringInfo.h.

Referenced by llvm::FastISel::selectInstruction().

DenseMap<const Value *, ISD::NodeType> llvm::FunctionLoweringInfo::PreferredExtendType

Record the preferred extend type (ISD::SIGN_EXTEND or ISD::ZERO_EXTEND) for a value.

Definition at line 181 of file FunctionLoweringInfo.h.

Referenced by clear(), llvm::SelectionDAGBuilder::CopyValueToVirtualRegister(), and set().

DenseMap<unsigned, unsigned> llvm::FunctionLoweringInfo::RegFixups

RegFixups - Registers which need to be replaced after isel is done.

Definition at line 157 of file FunctionLoweringInfo.h.

Referenced by clear(), llvm::SelectionDAGISel::runOnMachineFunction(), and llvm::FastISel::updateValueMap().

MachineRegisterInfo* llvm::FunctionLoweringInfo::RegInfo

Definition at line 58 of file FunctionLoweringInfo.h.

Referenced by CreateReg(), and set().

bool llvm::FunctionLoweringInfo::SplitCSR

True if part of the CSRs will be handled via explicit copies.

Definition at line 65 of file FunctionLoweringInfo.h.

Referenced by llvm::SelectionDAGISel::runOnMachineFunction().

DenseMap<const Instruction *, StatepointSpillMap> llvm::FunctionLoweringInfo::StatepointSpillMaps

Maps gc.statepoint instructions to their corresponding StatepointSpillMap instances.

Definition at line 142 of file FunctionLoweringInfo.h.

Referenced by clear(), findPreviousSpillSlot(), llvm::SelectionDAGBuilder::LowerAsSTATEPOINT(), and lowerStatepointMetaArgs().

SmallVector<unsigned, 50> llvm::FunctionLoweringInfo::StatepointStackSlots

StatepointStackSlots - A list of temporary stack slots (frame indices) used to spill values at a statepoint.

We store them here to enable reuse of the same stack slots across different statepoints in different basic blocks.

Definition at line 163 of file FunctionLoweringInfo.h.

Referenced by llvm::StatepointLoweringState::allocateStackSlot(), clear(), reservePreviousStackSlotForValue(), and llvm::StatepointLoweringState::startNewStatepoint().

DenseMap<const AllocaInst*, int> llvm::FunctionLoweringInfo::StaticAllocaMap

StaticAllocaMap - Keep track of frame indices for fixed sized allocas in the entry block.

This allows the allocas to be efficiently referenced anywhere in the function.

Definition at line 147 of file FunctionLoweringInfo.h.

Referenced by clear(), llvm::FastISel::getRegForValue(), llvm::SelectionDAGBuilder::getValueImpl(), llvm::FastISel::selectIntrinsicCall(), llvm::FastISel::selectOperator(), and set().

const Value* llvm::FunctionLoweringInfo::SwiftErrorArg

The swifterror argument of the current function.

Definition at line 86 of file FunctionLoweringInfo.h.

Referenced by createSwiftErrorEntriesInEntryBlock(), and setupSwiftErrorVals().

SwiftErrorValues llvm::FunctionLoweringInfo::SwiftErrorVals

A function can only have a single swifterror argument.

And if it does have a swifterror argument, it must be the first entry in SwiftErrorVals.

Definition at line 92 of file FunctionLoweringInfo.h.

Referenced by createSwiftErrorEntriesInEntryBlock(), propagateSwiftErrorVRegs(), and setupSwiftErrorVals().

llvm::DenseMap<std::pair<const MachineBasicBlock *, const Value *>, unsigned> llvm::FunctionLoweringInfo::SwiftErrorVRegDefMap

A map from swifterror value in a basic block to the virtual register it is currently represented by.

Definition at line 77 of file FunctionLoweringInfo.h.

Referenced by getOrCreateSwiftErrorVReg(), propagateSwiftErrorVRegs(), setCurrentSwiftErrorVReg(), and setupSwiftErrorVals().

llvm::DenseMap<std::pair<const MachineBasicBlock *, const Value *>, unsigned> llvm::FunctionLoweringInfo::SwiftErrorVRegUpwardsUse

A list of upward exposed vreg uses that need to be satisfied by either a copy def or a phi node at the beginning of the basic block representing the predecessor(s) swifterror value.

Definition at line 83 of file FunctionLoweringInfo.h.

Referenced by getOrCreateSwiftErrorVReg(), propagateSwiftErrorVRegs(), and setupSwiftErrorVals().

const TargetLowering* llvm::FunctionLoweringInfo::TLI
DenseMap<const Value *, unsigned> llvm::FunctionLoweringInfo::ValueMap
SmallPtrSet<const BasicBlock*, 4> llvm::FunctionLoweringInfo::VisitedBBs

VisitedBBs - The set of basic blocks visited thus far by instruction selection.

Definition at line 185 of file FunctionLoweringInfo.h.

Referenced by clear().


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