LLVM  3.7.0
Classes | Public Types | Public Member Functions | Friends | List of all members
llvm::MachineBasicBlock Class Reference

#include <MachineBasicBlock.h>

Inheritance diagram for llvm::MachineBasicBlock:
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Collaboration diagram for llvm::MachineBasicBlock:
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Classes

class  bundle_iterator
 bundle_iterator - MachineBasicBlock iterator that automatically skips over MIs that are inside bundles (i.e. More...
 

Public Types

enum  LivenessQueryResult { LQR_Live, LQR_OverlappingLive, LQR_Dead, LQR_Unknown }
 Possible outcome of a register liveness query to computeRegisterLiveness() More...
 
typedef Instructions::iterator instr_iterator
 
typedef
Instructions::const_iterator 
const_instr_iterator
 
typedef std::reverse_iterator
< instr_iterator
reverse_instr_iterator
 
typedef std::reverse_iterator
< const_instr_iterator
const_reverse_instr_iterator
 
typedef bundle_iterator
< MachineInstr, instr_iterator
iterator
 
typedef bundle_iterator< const
MachineInstr,
const_instr_iterator
const_iterator
 
typedef std::reverse_iterator
< const_iterator
const_reverse_iterator
 
typedef std::reverse_iterator
< iterator
reverse_iterator
 
typedef std::vector
< MachineBasicBlock * >
::iterator 
pred_iterator
 
typedef std::vector
< MachineBasicBlock * >
::const_iterator 
const_pred_iterator
 
typedef std::vector
< MachineBasicBlock * >
::iterator 
succ_iterator
 
typedef std::vector
< MachineBasicBlock * >
::const_iterator 
const_succ_iterator
 
typedef std::vector
< MachineBasicBlock * >
::reverse_iterator 
pred_reverse_iterator
 
typedef std::vector
< MachineBasicBlock * >
::const_reverse_iterator 
const_pred_reverse_iterator
 
typedef std::vector
< MachineBasicBlock * >
::reverse_iterator 
succ_reverse_iterator
 
typedef std::vector
< MachineBasicBlock * >
::const_reverse_iterator 
const_succ_reverse_iterator
 
typedef std::vector< unsigned >
::const_iterator 
livein_iterator
 

Public Member Functions

const BasicBlockgetBasicBlock () const
 getBasicBlock - Return the LLVM basic block that this instance corresponded to originally. More...
 
StringRef getName () const
 getName - Return the name of the corresponding LLVM basic block, or "(null)". More...
 
std::string getFullName () const
 getFullName - Return a formatted string to identify this block and its parent function. More...
 
bool hasAddressTaken () const
 hasAddressTaken - Test whether this block is potentially the target of an indirect branch. More...
 
void setHasAddressTaken ()
 setHasAddressTaken - Set this block to reflect that it potentially is the target of an indirect branch. More...
 
const MachineFunctiongetParent () const
 getParent - Return the MachineFunction containing this basic block. More...
 
MachineFunctiongetParent ()
 
unsigned size () const
 
bool empty () const
 
MachineInstrinstr_front ()
 
MachineInstrinstr_back ()
 
const MachineInstrinstr_front () const
 
const MachineInstrinstr_back () const
 
MachineInstrfront ()
 
MachineInstrback ()
 
const MachineInstrfront () const
 
const MachineInstrback () const
 
instr_iterator instr_begin ()
 
const_instr_iterator instr_begin () const
 
instr_iterator instr_end ()
 
const_instr_iterator instr_end () const
 
reverse_instr_iterator instr_rbegin ()
 
const_reverse_instr_iterator instr_rbegin () const
 
reverse_instr_iterator instr_rend ()
 
const_reverse_instr_iterator instr_rend () const
 
iterator begin ()
 
const_iterator begin () const
 
iterator end ()
 
const_iterator end () const
 
reverse_iterator rbegin ()
 
const_reverse_iterator rbegin () const
 
reverse_iterator rend ()
 
const_reverse_iterator rend () const
 
iterator_range< iteratorterminators ()
 
iterator_range< const_iteratorterminators () const
 
pred_iterator pred_begin ()
 
const_pred_iterator pred_begin () const
 
pred_iterator pred_end ()
 
const_pred_iterator pred_end () const
 
pred_reverse_iterator pred_rbegin ()
 
const_pred_reverse_iterator pred_rbegin () const
 
pred_reverse_iterator pred_rend ()
 
const_pred_reverse_iterator pred_rend () const
 
unsigned pred_size () const
 
bool pred_empty () const
 
succ_iterator succ_begin ()
 
const_succ_iterator succ_begin () const
 
succ_iterator succ_end ()
 
const_succ_iterator succ_end () const
 
succ_reverse_iterator succ_rbegin ()
 
const_succ_reverse_iterator succ_rbegin () const
 
succ_reverse_iterator succ_rend ()
 
const_succ_reverse_iterator succ_rend () const
 
unsigned succ_size () const
 
bool succ_empty () const
 
iterator_range< pred_iteratorpredecessors ()
 
iterator_range
< const_pred_iterator
predecessors () const
 
iterator_range< succ_iteratorsuccessors ()
 
iterator_range
< const_succ_iterator
successors () const
 
void addLiveIn (unsigned Reg)
 Adds the specified register as a live in. More...
 
void sortUniqueLiveIns ()
 Sorts and uniques the LiveIns vector. More...
 
unsigned addLiveIn (unsigned PhysReg, const TargetRegisterClass *RC)
 Add PhysReg as live in to this block, and ensure that there is a copy of PhysReg to a virtual register of class RC. More...
 
void removeLiveIn (unsigned Reg)
 removeLiveIn - Remove the specified register from the live in set. More...
 
bool isLiveIn (unsigned Reg) const
 isLiveIn - Return true if the specified register is in the live in set. More...
 
livein_iterator livein_begin () const
 
livein_iterator livein_end () const
 
bool livein_empty () const
 
unsigned getAlignment () const
 getAlignment - Return alignment of the basic block. More...
 
void setAlignment (unsigned Align)
 setAlignment - Set alignment of the basic block. More...
 
bool isLandingPad () const
 isLandingPad - Returns true if the block is a landing pad. More...
 
void setIsLandingPad (bool V=true)
 setIsLandingPad - Indicates the block is a landing pad. More...
 
const MachineBasicBlockgetLandingPadSuccessor () const
 getLandingPadSuccessor - If this block has a successor that is a landing pad, return it. More...
 
void moveBefore (MachineBasicBlock *NewAfter)
 moveBefore/moveAfter - move 'this' block before or after the specified block. More...
 
void moveAfter (MachineBasicBlock *NewBefore)
 
void updateTerminator ()
 updateTerminator - Update the terminator instructions in block to account for changes to the layout. More...
 
void addSuccessor (MachineBasicBlock *succ, uint32_t weight=0)
 addSuccessor - Add succ as a successor of this MachineBasicBlock. More...
 
void setSuccWeight (succ_iterator I, uint32_t weight)
 Set successor weight of a given iterator. More...
 
void removeSuccessor (MachineBasicBlock *succ)
 removeSuccessor - Remove successor from the successors list of this MachineBasicBlock. More...
 
succ_iterator removeSuccessor (succ_iterator I)
 removeSuccessor - Remove specified successor from the successors list of this MachineBasicBlock. More...
 
void replaceSuccessor (MachineBasicBlock *Old, MachineBasicBlock *New)
 replaceSuccessor - Replace successor OLD with NEW and update weight info. More...
 
void transferSuccessors (MachineBasicBlock *fromMBB)
 transferSuccessors - Transfers all the successors from MBB to this machine basic block (i.e., copies all the successors fromMBB and remove all the successors from fromMBB). More...
 
void transferSuccessorsAndUpdatePHIs (MachineBasicBlock *fromMBB)
 transferSuccessorsAndUpdatePHIs - Transfers all the successors, as in transferSuccessors, and update PHI operands in the successor blocks which refer to fromMBB to refer to this. More...
 
bool isPredecessor (const MachineBasicBlock *MBB) const
 isPredecessor - Return true if the specified MBB is a predecessor of this block. More...
 
bool isSuccessor (const MachineBasicBlock *MBB) const
 isSuccessor - Return true if the specified MBB is a successor of this block. More...
 
bool isLayoutSuccessor (const MachineBasicBlock *MBB) const
 isLayoutSuccessor - Return true if the specified MBB will be emitted immediately after this block, such that if this block exits by falling through, control will transfer to the specified MBB. More...
 
bool canFallThrough ()
 canFallThrough - Return true if the block can implicitly transfer control to the block after it by falling off the end of it. More...
 
iterator getFirstNonPHI ()
 Returns a pointer to the first instruction in this block that is not a PHINode instruction. More...
 
iterator SkipPHIsAndLabels (iterator I)
 SkipPHIsAndLabels - Return the first instruction in MBB after I that is not a PHI or a label. More...
 
iterator getFirstTerminator ()
 getFirstTerminator - returns an iterator to the first terminator instruction of this basic block. More...
 
const_iterator getFirstTerminator () const
 
instr_iterator getFirstInstrTerminator ()
 getFirstInstrTerminator - Same getFirstTerminator but it ignores bundles and return an instr_iterator instead. More...
 
iterator getFirstNonDebugInstr ()
 getFirstNonDebugInstr - returns an iterator to the first non-debug instruction in the basic block, or end() More...
 
const_iterator getFirstNonDebugInstr () const
 
iterator getLastNonDebugInstr ()
 getLastNonDebugInstr - returns an iterator to the last non-debug instruction in the basic block, or end() More...
 
const_iterator getLastNonDebugInstr () const
 
MachineBasicBlockSplitCriticalEdge (MachineBasicBlock *Succ, Pass *P)
 SplitCriticalEdge - Split the critical edge from this block to the given successor block, and return the newly created block, or null if splitting is not possible. More...
 
void pop_front ()
 
void pop_back ()
 
void push_back (MachineInstr *MI)
 
instr_iterator insert (instr_iterator I, MachineInstr *M)
 Insert MI into the instruction list before I, possibly inside a bundle. More...
 
template<typename IT >
void insert (iterator I, IT S, IT E)
 Insert a range of instructions into the instruction list before I. More...
 
iterator insert (iterator I, MachineInstr *MI)
 Insert MI into the instruction list before I. More...
 
iterator insertAfter (iterator I, MachineInstr *MI)
 Insert MI into the instruction list after I. More...
 
instr_iterator erase (instr_iterator I)
 Remove an instruction from the instruction list and delete it. More...
 
instr_iterator erase_instr (MachineInstr *I)
 Remove an instruction from the instruction list and delete it. More...
 
iterator erase (iterator I, iterator E)
 Remove a range of instructions from the instruction list and delete them. More...
 
iterator erase (iterator I)
 Remove an instruction or bundle from the instruction list and delete it. More...
 
iterator erase (MachineInstr *I)
 Remove an instruction from the instruction list and delete it. More...
 
MachineInstrremove (MachineInstr *I)
 Remove the unbundled instruction from the instruction list without deleting it. More...
 
MachineInstrremove_instr (MachineInstr *I)
 Remove the possibly bundled instruction from the instruction list without deleting it. More...
 
void clear ()
 
void splice (iterator Where, MachineBasicBlock *Other, iterator From)
 Take an instruction from MBB 'Other' at the position From, and insert it into this MBB right before 'Where'. More...
 
void splice (iterator Where, MachineBasicBlock *Other, iterator From, iterator To)
 Take a block of instructions from MBB 'Other' in the range [From, To), and insert them into this MBB right before 'Where'. More...
 
MachineBasicBlockremoveFromParent ()
 removeFromParent - This method unlinks 'this' from the containing function, and returns it, but does not delete it. More...
 
void eraseFromParent ()
 eraseFromParent - This method unlinks 'this' from the containing function and deletes it. More...
 
void ReplaceUsesOfBlockWith (MachineBasicBlock *Old, MachineBasicBlock *New)
 ReplaceUsesOfBlockWith - Given a machine basic block that branched to 'Old', change the code and CFG so that it branches to 'New' instead. More...
 
bool CorrectExtraCFGEdges (MachineBasicBlock *DestA, MachineBasicBlock *DestB, bool isCond)
 CorrectExtraCFGEdges - Various pieces of code can cause excess edges in the CFG to be inserted. More...
 
DebugLoc findDebugLoc (instr_iterator MBBI)
 findDebugLoc - find the next valid DebugLoc starting at MBBI, skipping any DBG_VALUE instructions. More...
 
DebugLoc findDebugLoc (iterator MBBI)
 
LivenessQueryResult computeRegisterLiveness (const TargetRegisterInfo *TRI, unsigned Reg, const_iterator Before, unsigned Neighborhood=10) const
 Return whether (physical) register Reg has been <def>ined and not <kill>ed as of just before Before. More...
 
void dump () const
 
void print (raw_ostream &OS, SlotIndexes *=nullptr) const
 
void print (raw_ostream &OS, ModuleSlotTracker &MST, SlotIndexes *=nullptr) const
 
void printAsOperand (raw_ostream &OS, bool PrintType=true) const
 
int getNumber () const
 getNumber - MachineBasicBlocks are uniquely numbered at the function level, unless they're not in a MachineFunction yet, in which case this will return -1. More...
 
void setNumber (int N)
 
MCSymbolgetSymbol () const
 getSymbol - Return the MCSymbol for this basic block. More...
 
- Public Member Functions inherited from llvm::ilist_node< MachineBasicBlock >
MachineBasicBlockgetPrevNode ()
 Get the previous node, or 0 for the list head. More...
 
const MachineBasicBlockgetPrevNode () const
 Get the previous node, or 0 for the list head. More...
 
MachineBasicBlockgetNextNode ()
 Get the next node, or 0 for the list tail. More...
 
const MachineBasicBlockgetNextNode () const
 Get the next node, or 0 for the list tail. More...
 

Friends

class MachineFunction
 
class MachineBranchProbabilityInfo
 
struct ilist_traits< MachineBasicBlock >
 

Additional Inherited Members

- Protected Member Functions inherited from llvm::ilist_node< MachineBasicBlock >
 ilist_node ()
 

Detailed Description

Definition at line 62 of file MachineBasicBlock.h.

Member Typedef Documentation

Definition at line 206 of file MachineBasicBlock.h.

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typedef std::reverse_iterator<iterator> llvm::MachineBasicBlock::reverse_iterator

Definition at line 216 of file MachineBasicBlock.h.

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Member Enumeration Documentation

Possible outcome of a register liveness query to computeRegisterLiveness()

Enumerator
LQR_Live 

Register is known to be live.

LQR_OverlappingLive 

Register itself is not live, but some overlapping register is.

LQR_Dead 

Register is known to be dead.

LQR_Unknown 

Register liveness not decidable from local neighborhood.

Definition at line 638 of file MachineBasicBlock.h.

Member Function Documentation

void llvm::MachineBasicBlock::addLiveIn ( unsigned  Reg)
inline
unsigned MachineBasicBlock::addLiveIn ( unsigned  PhysReg,
const TargetRegisterClass RC 
)
void MachineBasicBlock::addSuccessor ( MachineBasicBlock succ,
uint32_t  weight = 0 
)
MachineInstr& llvm::MachineBasicBlock::back ( )
inline
const MachineInstr& llvm::MachineBasicBlock::back ( ) const
inline

Definition at line 230 of file MachineBasicBlock.h.

References end().

iterator llvm::MachineBasicBlock::begin ( )
inline

Definition at line 241 of file MachineBasicBlock.h.

References instr_begin().

Referenced by addLiveIn(), llvm::LiveVariables::addNewBlock(), llvm::BPFInstrInfo::AnalyzeBranch(), llvm::XCoreInstrInfo::AnalyzeBranch(), llvm::NVPTXInstrInfo::AnalyzeBranch(), llvm::SparcInstrInfo::AnalyzeBranch(), llvm::MSP430InstrInfo::AnalyzeBranch(), llvm::ARMBaseInstrInfo::AnalyzeBranch(), llvm::AArch64InstrInfo::AnalyzeBranch(), llvm::PPCInstrInfo::AnalyzeBranch(), llvm::SystemZInstrInfo::AnalyzeBranch(), llvm::R600InstrInfo::AnalyzeBranch(), llvm::MachineInstrSpan::begin(), bothUsedInPHI(), ComputeCommonTailLength(), computeRegisterLiveness(), CountTerminators(), llvm::SSAUpdaterTraits< MachineSSAUpdater >::CreateEmptyPHI(), llvm::MachineDominatorTree::dominates(), llvm::LexicalScopes::dominates(), llvm::X86FrameLowering::eliminateCallFramePseudoInstr(), llvm::PPCTargetLowering::EmitAtomicBinary(), llvm::PPCTargetLowering::emitEHSjLjSetJmp(), llvm::MSP430FrameLowering::emitEpilogue(), llvm::Thumb1FrameLowering::emitEpilogue(), llvm::ARMFrameLowering::emitEpilogue(), llvm::AArch64FrameLowering::emitEpilogue(), llvm::X86FrameLowering::emitEpilogue(), llvm::AArch64TargetLowering::EmitF128CSEL(), emitGPDisp(), llvm::BPFTargetLowering::EmitInstrWithCustomInserter(), llvm::XCoreTargetLowering::EmitInstrWithCustomInserter(), llvm::MSP430TargetLowering::EmitInstrWithCustomInserter(), llvm::ARMTargetLowering::EmitInstrWithCustomInserter(), llvm::PPCTargetLowering::EmitInstrWithCustomInserter(), llvm::MachineRegisterInfo::EmitLiveInCopies(), llvm::PPCTargetLowering::EmitPartwordAtomicBinary(), llvm::Mips16FrameLowering::emitPrologue(), llvm::NVPTXFrameLowering::emitPrologue(), llvm::MipsSEFrameLowering::emitPrologue(), llvm::SparcFrameLowering::emitPrologue(), llvm::XCoreFrameLowering::emitPrologue(), llvm::MSP430FrameLowering::emitPrologue(), llvm::Thumb1FrameLowering::emitPrologue(), llvm::ARMFrameLowering::emitPrologue(), llvm::AArch64FrameLowering::emitPrologue(), llvm::PPCFrameLowering::emitPrologue(), llvm::SystemZFrameLowering::emitPrologue(), llvm::X86FrameLowering::emitPrologue(), llvm::MSP430TargetLowering::EmitShiftInstr(), EmitXBegin(), llvm::SparcTargetLowering::expandAtomicRMW(), llvm::SparcTargetLowering::expandSelectCC(), findFirstPredicateSetterFrom(), findHoistingInsertPosAndDeps(), findInsertLocation(), llvm::findPHICopyInsertPoint(), FindSplitPointForStackProtector(), llvm::ScheduleDAGInstrs::fixupKills(), llvm::RegScavenger::forward(), getFirstEpilogueInst(), getFirstNonDebugInstr(), getFirstTerminator(), llvm::SparcInstrInfo::getGlobalBaseReg(), llvm::ARMHazardRecognizer::getHazardType(), llvm::SlotIndexes::getIndexBefore(), llvm::MachineSSAUpdater::GetValueInMiddleOfBlock(), INITIALIZE_PASS(), llvm::MipsAsmPrinter::isBlockOnlyReachableByFallthrough(), llvm::R600InstrInfo::isPredicable(), llvm::ARMBaseInstrInfo::isProfitableToIfCvt(), llvm::X86InstrInfo::isSafeToClobberEFLAGS(), llvm::SplitEditor::leaveIntvAtTop(), llvm::FastISel::leaveLocalValueArea(), LookForIdenticalPHI(), llvm::AArch64RegisterInfo::materializeFrameBaseRegister(), llvm::PPCRegisterInfo::materializeFrameBaseRegister(), llvm::ARMBaseRegisterInfo::materializeFrameBaseRegister(), MBBDefinesCTR(), llvm::X86FrameLowering::mergeSPUpdates(), mergeSPUpdatesUp(), modifiesConditionCode(), llvm::PPCInstrInfo::optimizeCompareInstr(), llvm::ARMBaseInstrInfo::optimizeCompareInstr(), PrevCrossBBInst(), ProcessSourceNode(), ProfitableToMerge(), llvm::RegPressureTracker::recede(), llvm::BPFInstrInfo::RemoveBranch(), llvm::XCoreInstrInfo::RemoveBranch(), llvm::NVPTXInstrInfo::RemoveBranch(), llvm::HexagonInstrInfo::RemoveBranch(), llvm::SparcInstrInfo::RemoveBranch(), llvm::MSP430InstrInfo::RemoveBranch(), llvm::ARMBaseInstrInfo::RemoveBranch(), llvm::AArch64InstrInfo::RemoveBranch(), llvm::PPCInstrInfo::RemoveBranch(), llvm::SystemZInstrInfo::RemoveBranch(), llvm::R600InstrInfo::RemoveBranch(), llvm::X86InstrInfo::RemoveBranch(), removeDebugValues(), RemoveVRSaveCode(), llvm::SlotIndexes::repairIndexesInRange(), llvm::LiveIntervals::repairIntervalsInRange(), llvm::Thumb2InstrInfo::ReplaceTailWithBranchTo(), llvm::XCoreFrameLowering::restoreCalleeSavedRegisters(), llvm::PPCFrameLowering::restoreCalleeSavedRegisters(), llvm::BitTracker::run(), llvm::SelectionDAGISel::runOnMachineFunction(), llvm::SlotIndexes::runOnMachineFunction(), splitBlockAfter(), splitBlockBefore(), llvm::RegScavenger::unprocess(), verifyCTRBranch(), and VerifyPHIs().

const_iterator llvm::MachineBasicBlock::begin ( ) const
inline

Definition at line 242 of file MachineBasicBlock.h.

References instr_begin().

bool MachineBasicBlock::canFallThrough ( )

canFallThrough - Return true if the block can implicitly transfer control to the block after it by falling off the end of it.

This should return false if it can reach the block after it, but it uses an explicit branch to do so (e.g., a table jump). True is a conservative answer.

Definition at line 623 of file MachineBasicBlock.cpp.

References llvm::TargetInstrInfo::AnalyzeBranch(), back(), llvm::SmallVectorBase::empty(), empty(), end(), llvm::TargetSubtargetInfo::getInstrInfo(), getParent(), llvm::MachineFunction::getSubtarget(), llvm::MachineInstr::isBarrier(), llvm::TargetInstrInfo::isPredicated(), isSuccessor(), and TII.

Referenced by updateTerminator().

void llvm::MachineBasicBlock::clear ( )
inline

Definition at line 583 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::clear().

MachineBasicBlock::LivenessQueryResult MachineBasicBlock::computeRegisterLiveness ( const TargetRegisterInfo TRI,
unsigned  Reg,
const_iterator  Before,
unsigned  Neighborhood = 10 
) const

Return whether (physical) register Reg has been <def>ined and not <kill>ed as of just before Before.

Return whether (physical) register "Reg" has been <def>ined and not <kill>ed as of just before "MI".

Search is localised to a neighborhood of Neighborhood instructions before (searching for defs or kills) and Neighborhood instructions after (searching just for defs) Before.

Reg must be a physical register.

Search is localised to a neighborhood of Neighborhood instructions before (searching for defs or kills) and N instructions after (searching just for defs) MI.

Definition at line 1129 of file MachineBasicBlock.cpp.

References Analysis, llvm::MachineOperandIteratorBase::analyzePhysReg(), begin(), llvm::MachineOperandIteratorBase::PhysRegInfo::Clobbers, llvm::MachineOperandIteratorBase::PhysRegInfo::Defines, llvm::MachineOperandIteratorBase::PhysRegInfo::DefinesDead, end(), I, isLiveIn(), llvm::MCRegAliasIterator::isValid(), llvm::MachineOperandIteratorBase::PhysRegInfo::Kills, LQR_Dead, LQR_Live, LQR_OverlappingLive, LQR_Unknown, N, llvm::MachineOperandIteratorBase::PhysRegInfo::Reads, and llvm::MachineOperandIteratorBase::PhysRegInfo::ReadsOverlap.

Referenced by llvm::X86InstrInfo::classifyLEAReg(), getImplicitSPRUseForDPRUse(), and isAnySubRegLive().

bool MachineBasicBlock::CorrectExtraCFGEdges ( MachineBasicBlock DestA,
MachineBasicBlock DestB,
bool  isCond 
)

CorrectExtraCFGEdges - Various pieces of code can cause excess edges in the CFG to be inserted.

If we have proven that MBB can only branch to DestA and DestB, remove any other MBB successors from the CFG. DestA and DestB can be null. Besides DestA and DestB, retain other edges leading to LandingPads (currently there can be only one; we don't check or require that here). Note it is possible that DestA and/or DestB are LandingPads.

Definition at line 1015 of file MachineBasicBlock.cpp.

References llvm::SmallPtrSetImpl< PtrType >::insert(), isLandingPad(), removeSuccessor(), llvm::SI, succ_begin(), and succ_end().

Referenced by llvm::BranchFolder::OptimizeFunction().

void MachineBasicBlock::dump ( ) const

Definition at line 217 of file MachineBasicBlock.cpp.

References llvm::dbgs(), and print().

bool llvm::MachineBasicBlock::empty ( ) const
inline
iterator llvm::MachineBasicBlock::end ( )
inline

Definition at line 243 of file MachineBasicBlock.h.

References instr_end().

Referenced by addLiveIn(), llvm::LiveVariables::addNewBlock(), llvm::ScheduleDAGInstrs::addSchedBarrierDeps(), llvm::MipsSEInstrInfo::adjustStackPtr(), llvm::RegPressureTracker::advance(), llvm::BPFInstrInfo::AnalyzeBranch(), llvm::XCoreInstrInfo::AnalyzeBranch(), llvm::NVPTXInstrInfo::AnalyzeBranch(), llvm::SparcInstrInfo::AnalyzeBranch(), llvm::MSP430InstrInfo::AnalyzeBranch(), llvm::ARMBaseInstrInfo::AnalyzeBranch(), llvm::AArch64InstrInfo::AnalyzeBranch(), llvm::PPCInstrInfo::AnalyzeBranch(), llvm::SystemZInstrInfo::AnalyzeBranch(), llvm::R600InstrInfo::AnalyzeBranch(), back(), llvm::MachineInstrSpan::begin(), llvm::Mips16InstrInfo::BuildAddiuSpImm(), llvm::BuildMI(), canFallThrough(), checkAndUpdateEFLAGSKill(), collectDebugValues(), ComputeCommonTailLength(), computeRegisterLiveness(), CountTerminators(), llvm::SSAUpdaterTraits< MachineSSAUpdater >::CreateEmptyPHI(), llvm::LexicalScopes::dominates(), llvm::PPCTargetLowering::EmitAtomicBinary(), llvm::PPCTargetLowering::emitEHSjLjSetJmp(), llvm::AArch64FrameLowering::emitEpilogue(), llvm::PPCFrameLowering::emitEpilogue(), llvm::X86FrameLowering::emitEpilogue(), llvm::AArch64TargetLowering::EmitF128CSEL(), llvm::HexagonAsmPrinter::EmitInstruction(), llvm::AMDGPUAsmPrinter::EmitInstruction(), llvm::R600TargetLowering::EmitInstrWithCustomInserter(), llvm::BPFTargetLowering::EmitInstrWithCustomInserter(), llvm::XCoreTargetLowering::EmitInstrWithCustomInserter(), llvm::MSP430TargetLowering::EmitInstrWithCustomInserter(), llvm::PPCTargetLowering::EmitInstrWithCustomInserter(), llvm::PPCTargetLowering::EmitPartwordAtomicBinary(), llvm::Mips16FrameLowering::emitPrologue(), llvm::MipsSEFrameLowering::emitPrologue(), llvm::SparcFrameLowering::emitPrologue(), llvm::Thumb1FrameLowering::emitPrologue(), llvm::MSP430FrameLowering::emitPrologue(), llvm::ARMFrameLowering::emitPrologue(), llvm::PPCFrameLowering::emitPrologue(), llvm::SystemZFrameLowering::emitPrologue(), llvm::X86FrameLowering::emitPrologue(), llvm::MSP430TargetLowering::EmitShiftInstr(), EmitXBegin(), llvm::ScheduleDAGMILive::enterRegion(), llvm::SparcTargetLowering::expandAtomicRMW(), llvm::SparcTargetLowering::expandSelectCC(), findHoistingInsertPosAndDeps(), FindLastAluClause(), llvm::findPHICopyInsertPoint(), llvm::ScheduleDAGInstrs::fixupKills(), llvm::RegScavenger::forward(), getBranchDebugLoc(), llvm::RegPressureTracker::getCurrSlot(), getFirstEpilogueInst(), getFirstNonDebugInstr(), getFirstTerminator(), llvm::SlotIndexes::getIndexAfter(), getLastNonDebugInstr(), llvm::SplitAnalysis::getLastSplitPointIter(), llvm::X86InstrInfo::getSPAdjust(), llvm::MachineSSAUpdater::GetValueInMiddleOfBlock(), HashEndOfMBB(), INITIALIZE_PASS(), llvm::MIRParserImpl::initializeMachineBasicBlock(), insert(), insertAfter(), llvm::HexagonInstrInfo::InsertBranch(), llvm::R600InstrInfo::InsertBranch(), IsBetterFallthrough(), llvm::MipsAsmPrinter::isBlockOnlyReachableByFallthrough(), IsBranchOnlyBlock(), IsEmptyBlock(), llvm::Thumb2InstrInfo::isLegalToSplitMBBAt(), llvm::X86InstrInfo::isSafeToClobberEFLAGS(), llvm::ARMBaseInstrInfo::isSchedulingBoundary(), llvm::XCoreInstrInfo::loadImmediate(), llvm::SystemZInstrInfo::loadImmediate(), llvm::Mips16InstrInfo::loadRegFromStack(), llvm::MipsSEInstrInfo::loadRegFromStack(), llvm::BPFInstrInfo::loadRegFromStackSlot(), llvm::Thumb1InstrInfo::loadRegFromStackSlot(), llvm::Thumb2InstrInfo::loadRegFromStackSlot(), llvm::MSP430InstrInfo::loadRegFromStackSlot(), llvm::XCoreInstrInfo::loadRegFromStackSlot(), llvm::SparcInstrInfo::loadRegFromStackSlot(), llvm::AArch64InstrInfo::loadRegFromStackSlot(), llvm::PPCInstrInfo::loadRegFromStackSlot(), llvm::ARMBaseInstrInfo::loadRegFromStackSlot(), llvm::SystemZInstrInfo::loadRegFromStackSlot(), LookForIdenticalPHI(), llvm::Mips16InstrInfo::makeFrame(), llvm::AArch64RegisterInfo::materializeFrameBaseRegister(), llvm::PPCRegisterInfo::materializeFrameBaseRegister(), llvm::ARMBaseRegisterInfo::materializeFrameBaseRegister(), MBBDefinesCTR(), llvm::X86FrameLowering::mergeSPUpdates(), NoInterveningSideEffect(), llvm::AArch64InstrInfo::optimizeCompareInstr(), llvm::PPCInstrInfo::optimizeCompareInstr(), llvm::ARMBaseInstrInfo::optimizeCompareInstr(), llvm::X86InstrInfo::optimizeCompareInstr(), PrevCrossBBInst(), llvm::FastISel::recomputeInsertPt(), llvm::BPFInstrInfo::RemoveBranch(), llvm::XCoreInstrInfo::RemoveBranch(), llvm::NVPTXInstrInfo::RemoveBranch(), llvm::HexagonInstrInfo::RemoveBranch(), llvm::SparcInstrInfo::RemoveBranch(), llvm::MSP430InstrInfo::RemoveBranch(), llvm::ARMBaseInstrInfo::RemoveBranch(), llvm::AArch64InstrInfo::RemoveBranch(), llvm::PPCInstrInfo::RemoveBranch(), llvm::SystemZInstrInfo::RemoveBranch(), llvm::R600InstrInfo::RemoveBranch(), llvm::X86InstrInfo::RemoveBranch(), removeDebugValues(), removeMMOsFromMemoryOperations(), RemoveVRSaveCode(), llvm::SlotIndexes::repairIndexesInRange(), llvm::LiveIntervals::repairIntervalsInRange(), llvm::TargetInstrInfo::ReplaceTailWithBranchTo(), llvm::SystemZFrameLowering::restoreCalleeSavedRegisters(), llvm::MSP430FrameLowering::restoreCalleeSavedRegisters(), llvm::AArch64FrameLowering::restoreCalleeSavedRegisters(), llvm::Mips16InstrInfo::restoreFrame(), llvm::BitTracker::run(), llvm::SlotIndexes::runOnMachineFunction(), SkipPHIsAndLabels(), llvm::SystemZFrameLowering::spillCalleeSavedRegisters(), llvm::Thumb1FrameLowering::spillCalleeSavedRegisters(), llvm::XCoreFrameLowering::spillCalleeSavedRegisters(), llvm::MSP430FrameLowering::spillCalleeSavedRegisters(), llvm::AArch64FrameLowering::spillCalleeSavedRegisters(), splitBlockAfter(), splitBlockBefore(), SplitCriticalEdge(), llvm::Mips16InstrInfo::storeRegToStack(), llvm::MipsSEInstrInfo::storeRegToStack(), llvm::BPFInstrInfo::storeRegToStackSlot(), llvm::Thumb1InstrInfo::storeRegToStackSlot(), llvm::Thumb2InstrInfo::storeRegToStackSlot(), llvm::MSP430InstrInfo::storeRegToStackSlot(), llvm::XCoreInstrInfo::storeRegToStackSlot(), llvm::SparcInstrInfo::storeRegToStackSlot(), llvm::AArch64InstrInfo::storeRegToStackSlot(), llvm::ARMBaseInstrInfo::storeRegToStackSlot(), llvm::SystemZInstrInfo::storeRegToStackSlot(), terminators(), llvm::ScheduleDAGMILive::updatePressureDiffs(), verifyCTRBranch(), and VerifyPHIs().

const_iterator llvm::MachineBasicBlock::end ( ) const
inline

Definition at line 244 of file MachineBasicBlock.h.

References instr_end().

Remove an instruction from the instruction list and delete it.

If the instruction is part of a bundle, the other instructions in the bundle will still be bundled after removing the single instruction.

Definition at line 943 of file MachineBasicBlock.cpp.

References llvm::iplist< NodeTy, Traits >::erase(), and unbundleSingleMI().

Referenced by llvm::NVPTXFrameLowering::eliminateCallFramePseudoInstr(), llvm::AArch64FrameLowering::eliminateCallFramePseudoInstr(), llvm::MSP430FrameLowering::eliminateCallFramePseudoInstr(), llvm::SparcFrameLowering::eliminateCallFramePseudoInstr(), llvm::BPFFrameLowering::eliminateCallFramePseudoInstr(), llvm::MipsFrameLowering::eliminateCallFramePseudoInstr(), llvm::XCoreFrameLowering::eliminateCallFramePseudoInstr(), llvm::HexagonFrameLowering::eliminateCallFramePseudoInstr(), llvm::Thumb1FrameLowering::eliminateCallFramePseudoInstr(), llvm::SystemZFrameLowering::eliminateCallFramePseudoInstr(), llvm::PPCFrameLowering::eliminateCallFramePseudoInstr(), llvm::X86FrameLowering::eliminateCallFramePseudoInstr(), llvm::XCoreRegisterInfo::eliminateFrameIndex(), llvm::Thumb1FrameLowering::emitEpilogue(), llvm::XCoreFrameLowering::emitEpilogue(), erase(), erase_instr(), llvm::MipsSEInstrInfo::expandPostRAPseudo(), llvm::Mips16InstrInfo::expandPostRAPseudo(), llvm::AMDGPUInstrInfo::expandPostRAPseudo(), llvm::HexagonInstrInfo::expandPostRAPseudo(), llvm::AArch64InstrInfo::expandPostRAPseudo(), llvm::ARMFrameLowering::fixTCReturn(), llvm::PPCRegisterInfo::lowerCRBitRestore(), llvm::PPCRegisterInfo::lowerCRBitSpilling(), llvm::PPCRegisterInfo::lowerCRRestore(), llvm::PPCRegisterInfo::lowerCRSpilling(), llvm::PPCRegisterInfo::lowerDynamicAlloc(), llvm::PPCRegisterInfo::lowerVRSAVERestore(), llvm::PPCRegisterInfo::lowerVRSAVESpilling(), llvm::X86FrameLowering::mergeSPUpdates(), mergeSPUpdatesUp(), llvm::HexagonInstrInfo::PredicateInstruction(), llvm::MipsInstrInfo::RemoveBranch(), llvm::HexagonInstrInfo::RemoveBranch(), removeDebugValues(), llvm::TargetInstrInfo::ReplaceTailWithBranchTo(), llvm::Thumb1FrameLowering::restoreCalleeSavedRegisters(), and llvm::ThumbRegisterInfo::rewriteFrameIndex().

iterator llvm::MachineBasicBlock::erase ( iterator  I,
iterator  E 
)
inline

Remove a range of instructions from the instruction list and delete them.

Definition at line 547 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::erase().

iterator llvm::MachineBasicBlock::erase ( iterator  I)
inline

Remove an instruction or bundle from the instruction list and delete it.

If I points to a bundle of instructions, they are all erased.

Definition at line 554 of file MachineBasicBlock.h.

References erase().

iterator llvm::MachineBasicBlock::erase ( MachineInstr I)
inline

Remove an instruction from the instruction list and delete it.

If I is the head of a bundle of instructions, the whole bundle will be erased.

Definition at line 562 of file MachineBasicBlock.h.

References erase().

instr_iterator llvm::MachineBasicBlock::erase_instr ( MachineInstr I)
inline

Remove an instruction from the instruction list and delete it.

If the instruction is part of a bundle, the other instructions in the bundle will still be bundled after removing the single instruction.

Definition at line 542 of file MachineBasicBlock.h.

References erase().

void MachineBasicBlock::eraseFromParent ( )

eraseFromParent - This method unlinks 'this' from the containing function and deletes it.

eraseFromParent - This method unlinks 'this' from the containing function, and deletes it.

Definition at line 978 of file MachineBasicBlock.cpp.

References llvm::MachineFunction::erase(), and getParent().

Referenced by llvm::BPFInstrInfo::AnalyzeBranch(), llvm::SparcInstrInfo::AnalyzeBranch(), llvm::MSP430InstrInfo::AnalyzeBranch(), and llvm::SystemZInstrInfo::AnalyzeBranch().

DebugLoc MachineBasicBlock::findDebugLoc ( instr_iterator  MBBI)
DebugLoc llvm::MachineBasicBlock::findDebugLoc ( iterator  MBBI)
inline

Definition at line 633 of file MachineBasicBlock.h.

References findDebugLoc().

MachineInstr& llvm::MachineBasicBlock::front ( )
inline
const MachineInstr& llvm::MachineBasicBlock::front ( ) const
inline

Definition at line 229 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::front().

unsigned llvm::MachineBasicBlock::getAlignment ( ) const
inline

getAlignment - Return alignment of the basic block.

The alignment is specified as log2(bytes).

Definition at line 354 of file MachineBasicBlock.h.

Referenced by llvm::AsmPrinter::EmitBasicBlockStart().

const BasicBlock* llvm::MachineBasicBlock::getBasicBlock ( ) const
inline
MachineBasicBlock::instr_iterator MachineBasicBlock::getFirstInstrTerminator ( )

getFirstInstrTerminator - Same getFirstTerminator but it ignores bundles and return an instr_iterator instead.

Definition at line 175 of file MachineBasicBlock.cpp.

References I, instr_begin(), and instr_end().

Referenced by SplitCriticalEdge().

MachineBasicBlock::iterator MachineBasicBlock::getFirstNonDebugInstr ( )

getFirstNonDebugInstr - returns an iterator to the first non-debug instruction in the basic block, or end()

Definition at line 184 of file MachineBasicBlock.cpp.

References begin(), end(), and I.

Referenced by getFirstNonDebugInstr(), IsBranchOnlyBlock(), and IsEmptyBlock().

const_iterator llvm::MachineBasicBlock::getFirstNonDebugInstr ( ) const
inline

Definition at line 475 of file MachineBasicBlock.h.

References getFirstNonDebugInstr().

MachineBasicBlock::iterator MachineBasicBlock::getFirstNonPHI ( )

Returns a pointer to the first instruction in this block that is not a PHINode instruction.

When adding instructions to the beginning of the basic block, they should be added before the returned value, not before the first instruction, which might be PHI. Returns end() is there's no non-PHI instruction.

Definition at line 145 of file MachineBasicBlock.cpp.

References I, instr_begin(), and instr_end().

Referenced by llvm::ScheduleDAGSDNodes::EmitSchedule(), and llvm::FastISel::recomputeInsertPt().

MachineBasicBlock::iterator MachineBasicBlock::getFirstTerminator ( )
const_iterator llvm::MachineBasicBlock::getFirstTerminator ( ) const
inline

Definition at line 464 of file MachineBasicBlock.h.

References getFirstTerminator().

std::string MachineBasicBlock::getFullName ( ) const

getFullName - Return a formatted string to identify this block and its parent function.

Return a hopefully unique identifier for this block.

Definition at line 230 of file MachineBasicBlock.cpp.

References getBasicBlock(), llvm::MachineFunction::getName(), llvm::Value::getName(), getNumber(), and getParent().

Referenced by llvm::ScheduleDAGSDNodes::getDAGName(), llvm::ScheduleDAGInstrs::getDAGName(), and verifyCTRBranch().

const MachineBasicBlock * MachineBasicBlock::getLandingPadSuccessor ( ) const

getLandingPadSuccessor - If this block has a successor that is a landing pad, return it.

Otherwise return NULL.

Definition at line 206 of file MachineBasicBlock.cpp.

References I, succ_begin(), succ_end(), and succ_size().

MachineBasicBlock::iterator MachineBasicBlock::getLastNonDebugInstr ( )
const_iterator llvm::MachineBasicBlock::getLastNonDebugInstr ( ) const
inline

Definition at line 482 of file MachineBasicBlock.h.

References getLastNonDebugInstr().

StringRef MachineBasicBlock::getName ( ) const

getName - Return the name of the corresponding LLVM basic block, or "(null)".

Definition at line 222 of file MachineBasicBlock.cpp.

References getBasicBlock().

Referenced by getBlockName(), llvm::DOTGraphTraits< MachineBlockFrequencyInfo * >::getNodeLabel(), and llvm::VLIWMachineScheduler::schedule().

int llvm::MachineBasicBlock::getNumber ( ) const
inline

getNumber - MachineBasicBlocks are uniquely numbered at the function level, unless they're not in a MachineFunction yet, in which case this will return -1.

Definition at line 673 of file MachineBasicBlock.h.

Referenced by llvm::LiveVariables::addNewBlock(), llvm::HexagonInstrInfo::AnalyzeBranch(), llvm::LiveIntervals::checkRegMaskInterference(), CompareMBBNumbers(), llvm::HexagonRegisterInfo::eliminateFrameIndex(), llvm::AsmPrinter::EmitBasicBlockStart(), llvm::AsmPrinter::EmitJumpTableInfo(), llvm::SplitEditor::enterIntvAtEnd(), llvm::ScheduleDAGInstrs::fixupKills(), getBlockName(), getBlockNum(), llvm::MachineTraceMetrics::Ensemble::getDepthResources(), getFullName(), llvm::MachineTraceMetrics::Ensemble::getHeightResources(), llvm::MachineTraceMetrics::Trace::getInstrSlack(), llvm::SplitAnalysis::getLastSplitPointIter(), llvm::SlotIndexes::getMBBRange(), llvm::DOTGraphTraits< const MachineFunction * >::getNodeLabel(), llvm::MachineTraceMetrics::Trace::getResourceLength(), llvm::MachineTraceMetrics::getResources(), getSymbol(), llvm::MachineTraceMetrics::Ensemble::getTrace(), llvm::LiveVariables::HandleVirtRegUse(), HashMachineInstr(), llvm::HexagonInstrInfo::InsertBranch(), llvm::po_iterator_storage< LoopBounds, true >::insertEdge(), llvm::LiveIntervals::insertMBBInMaps(), llvm::SlotIndexes::insertMBBInMaps(), llvm::MachineTraceMetrics::Ensemble::invalidate(), llvm::MachineTraceMetrics::invalidate(), llvm::MachineTraceMetrics::Trace::isDepInTrace(), llvm::LiveVariables::VarInfo::isLiveIn(), llvm::LiveVariables::isLiveOut(), llvm::SplitEditor::leaveIntvAtTop(), llvm::LiveVariables::MarkVirtRegAliveInBlock(), llvm::MBB2NumberFunctor::operator()(), llvm::MachineTraceMetrics::Trace::print(), llvm::ARMConstantPoolMBB::print(), print(), printAsOperand(), llvm::MachineBranchProbabilityInfo::printEdgeProbability(), ProfitableToMerge(), llvm::BitTracker::reached(), llvm::HexagonInstrInfo::RemoveBranch(), llvm::BitTracker::run(), llvm::SlotIndexes::runOnMachineFunction(), llvm::VLIWMachineScheduler::schedule(), llvm::LiveRangeCalc::setLiveOutValue(), SplitCriticalEdge(), llvm::SplitEditor::splitRegInBlock(), llvm::SplitEditor::splitRegOutBlock(), llvm::SplitEditor::splitSingleBlock(), llvm::MachineTraceMetrics::Ensemble::verify(), verifyCTRBranch(), and VerifyPHIs().

const MachineFunction* llvm::MachineBasicBlock::getParent ( ) const
inline

getParent - Return the MachineFunction containing this basic block.

Definition at line 137 of file MachineBasicBlock.h.

Referenced by llvm::addFrameReference(), addLiveIn(), addLiveInRegs(), llvm::LivePhysRegs::addLiveIns(), llvm::LivePhysRegs::addLiveOuts(), llvm::SSAUpdaterTraits< MachineSSAUpdater >::AddPHIOperand(), addSavedGPR(), llvm::SITargetLowering::AdjustInstrPostInstrSelection(), BBHasFallthrough(), llvm::SIInstrInfo::buildIndirectRead(), llvm::SIInstrInfo::buildIndirectWrite(), llvm::BuildMI(), llvm::SIInstrInfo::calculateLDSSpillAddress(), canCombineWithMUL(), canFallThrough(), canFallThroughTo(), canFoldCopy(), llvm::AArch64InstrInfo::canInsertSelect(), llvm::PPCInstrInfo::canInsertSelect(), llvm::X86InstrInfo::canInsertSelect(), llvm::X86FrameLowering::canUseAsEpilogue(), llvm::MachineOperand::ChangeToRegister(), llvm::X86InstrInfo::classifyLEAReg(), CombineCVTAToLocal(), llvm::PPCInstrInfo::commuteInstruction(), llvm::TargetInstrInfo::commuteInstruction(), llvm::X86InstrInfo::commuteInstruction(), llvm::TargetSchedModel::computeOutputLatency(), concatenateMemOperands(), llvm::ARMBaseInstrInfo::convertToThreeAddress(), llvm::SystemZInstrInfo::convertToThreeAddress(), llvm::X86InstrInfo::convertToThreeAddress(), llvm::Thumb1InstrInfo::copyPhysReg(), llvm::NVPTXInstrInfo::copyPhysReg(), llvm::MachineFunction::DeleteMachineBasicBlock(), DoesModifyCalleeSavedReg(), llvm::LexicalScopes::dominates(), llvm::BPFRegisterInfo::eliminateFrameIndex(), llvm::SIRegisterInfo::eliminateFrameIndex(), llvm::MSP430RegisterInfo::eliminateFrameIndex(), llvm::SparcRegisterInfo::eliminateFrameIndex(), llvm::XCoreRegisterInfo::eliminateFrameIndex(), llvm::NVPTXRegisterInfo::eliminateFrameIndex(), llvm::SystemZRegisterInfo::eliminateFrameIndex(), llvm::HexagonRegisterInfo::eliminateFrameIndex(), llvm::MipsRegisterInfo::eliminateFrameIndex(), llvm::ThumbRegisterInfo::eliminateFrameIndex(), llvm::AArch64RegisterInfo::eliminateFrameIndex(), llvm::X86RegisterInfo::eliminateFrameIndex(), llvm::PPCRegisterInfo::eliminateFrameIndex(), llvm::ARMBaseRegisterInfo::eliminateFrameIndex(), emitAlignedDPRCS2Restores(), emitAlignedDPRCS2Spills(), llvm::PPCTargetLowering::EmitAtomicBinary(), emitBlockAfter(), llvm::AArch64FrameLowering::emitCalleeSavedFrameMoves(), llvm::X86FrameLowering::emitCalleeSavedFrameMoves(), emitComments(), llvm::PPCTargetLowering::emitEHSjLjLongJmp(), llvm::PPCTargetLowering::emitEHSjLjSetJmp(), llvm::MachineInstr::emitError(), llvm::AArch64TargetLowering::EmitF128CSEL(), llvm::R600TargetLowering::EmitInstrWithCustomInserter(), llvm::BPFTargetLowering::EmitInstrWithCustomInserter(), llvm::SITargetLowering::EmitInstrWithCustomInserter(), llvm::XCoreTargetLowering::EmitInstrWithCustomInserter(), llvm::MSP430TargetLowering::EmitInstrWithCustomInserter(), llvm::HexagonTargetLowering::EmitInstrWithCustomInserter(), llvm::PPCTargetLowering::EmitInstrWithCustomInserter(), llvm::X86TargetLowering::EmitInstrWithCustomInserter(), llvm::ThumbRegisterInfo::emitLoadConstPool(), llvm::ARMBaseRegisterInfo::emitLoadConstPool(), llvm::PPCTargetLowering::EmitPartwordAtomicBinary(), llvm::TargetLoweringBase::emitPatchPoint(), llvm::ScheduleDAGSDNodes::EmitSchedule(), llvm::MSP430TargetLowering::EmitShiftInstr(), llvm::X86FrameLowering::emitSPUpdate(), emitThumb1LoadConstPool(), emitThumb2LoadConstPool(), emitThumbRegPlusImmInReg(), EmitXBegin(), llvm::RegScavenger::enterBasicBlock(), eraseFromParent(), llvm::MachineInstr::eraseFromParentAndMarkDBGValuesForRemoval(), eraseGPOpnd(), llvm::SparcTargetLowering::expandAtomicRMW(), expandLoadStackGuard(), llvm::ARMBaseInstrInfo::expandLoadStackGuardBase(), llvm::Mips16InstrInfo::expandPostRAPseudo(), llvm::MipsSEInstrInfo::expandPostRAPseudo(), llvm::AMDGPUInstrInfo::expandPostRAPseudo(), llvm::HexagonInstrInfo::expandPostRAPseudo(), llvm::SIInstrInfo::expandPostRAPseudo(), llvm::AArch64InstrInfo::expandPostRAPseudo(), llvm::SparcTargetLowering::expandSelectCC(), llvm::finalizeBundle(), findDeadCallerSavedReg(), llvm::SelectionDAGBuilder::FindMergedConditions(), llvm::findPHICopyInsertPoint(), FixTail(), llvm::TargetInstrInfo::foldMemoryOperand(), forceReg(), llvm::RegScavenger::forward(), FuseInst(), FuseTwoAddrInst(), llvm::AArch64InstrInfo::genAlternativeCodeSequence(), llvm::X86InstrInfo::genAlternativeCodeSequence(), getBBFallenThrough(), llvm::MachineLoop::getBottomBlock(), getConstantFromPool(), getFrameIndexMMO(), getFullName(), llvm::ARMHazardRecognizer::getHazardType(), llvm::AArch64InstrInfo::GetInstSizeInBytes(), llvm::MSP430InstrInfo::GetInstSizeInBytes(), llvm::MipsInstrInfo::GetInstSizeInBytes(), llvm::ARMBaseInstrInfo::GetInstSizeInBytes(), llvm::SystemZInstrInfo::getInstSizeInBytes(), llvm::PPCInstrInfo::GetInstSizeInBytes(), llvm::X86InstrInfo::getMachineCombinerPatterns(), llvm::AArch64InstrInfo::getMemOpBaseRegImmOfs(), llvm::MipsInstrInfo::GetMemOperand(), getNextBlock(), llvm::PPCInstrInfo::getOperandLatency(), llvm::ARMBaseInstrInfo::getOperandLatency(), llvm::SIInstrInfo::getOpRegClass(), llvm::TargetInstrInfo::getSPAdjust(), llvm::X86InstrInfo::getSPAdjust(), getSymbol(), GetSymbolRef(), llvm::MachineLoop::getTopBlock(), HandleVRSaveUpdate(), hasReassocSibling(), hasVGPROperands(), hasVirtualRegDefsInBasicBlock(), llvm::RegScavenger::initRegState(), llvm::ARMBaseInstrInfo::InsertBranch(), llvm::SlotIndexes::insertMBBInMaps(), llvm::AArch64InstrInfo::insertSelect(), llvm::PPCInstrInfo::insertSelect(), llvm::X86InstrInfo::insertSelect(), isNoReturnDef(), llvm::SIInstrInfo::isOperandLegal(), llvm::ARMBaseInstrInfo::isPredicable(), llvm::ARMBaseInstrInfo::isProfitableToIfCvt(), llvm::X86InstrInfo::isReallyTriviallyReMaterializable(), llvm::SystemZInstrInfo::isStackSlotCopy(), llvm::SIInstrInfo::legalizeOperands(), llvm::SIInstrInfo::legalizeOpWithMove(), llvm::MipsSEInstrInfo::loadImmediate(), llvm::XCoreInstrInfo::loadImmediate(), llvm::Thumb1InstrInfo::loadRegFromStackSlot(), llvm::Thumb2InstrInfo::loadRegFromStackSlot(), llvm::MSP430InstrInfo::loadRegFromStackSlot(), llvm::XCoreInstrInfo::loadRegFromStackSlot(), llvm::SparcInstrInfo::loadRegFromStackSlot(), llvm::HexagonInstrInfo::loadRegFromStackSlot(), llvm::SIInstrInfo::loadRegFromStackSlot(), llvm::AArch64InstrInfo::loadRegFromStackSlot(), llvm::PPCInstrInfo::loadRegFromStackSlot(), llvm::ARMBaseInstrInfo::loadRegFromStackSlot(), llvm::X86InstrInfo::loadRegFromStackSlot(), llvm::AMDGPUMCInstLower::lower(), llvm::PPCRegisterInfo::lowerCRBitRestore(), llvm::PPCRegisterInfo::lowerCRBitSpilling(), llvm::PPCRegisterInfo::lowerCRRestore(), llvm::PPCRegisterInfo::lowerCRSpilling(), llvm::X86TargetLowering::LowerCustomJumpTableEntry(), llvm::PPCRegisterInfo::lowerDynamicAlloc(), llvm::PPCRegisterInfo::lowerVRSAVERestore(), llvm::PPCRegisterInfo::lowerVRSAVESpilling(), llvm::Mips16InstrInfo::makeFrame(), llvm::AArch64RegisterInfo::materializeFrameBaseRegister(), llvm::PPCRegisterInfo::materializeFrameBaseRegister(), llvm::ARMBaseRegisterInfo::materializeFrameBaseRegister(), MIsNeedChainEdge(), moveAfter(), moveBefore(), llvm::SIInstrInfo::moveSMRDToVALU(), llvm::SIInstrInfo::moveToVALU(), llvm::AArch64RegisterInfo::needsFrameBaseReg(), llvm::PPCRegisterInfo::needsFrameBaseReg(), llvm::ARMBaseRegisterInfo::needsFrameBaseReg(), llvm::PPCInstrInfo::optimizeCompareInstr(), llvm::ARMBaseInstrInfo::optimizeSelect(), llvm::HexagonInstrInfo::PredicateInstruction(), llvm::ARMBaseInstrInfo::PredicateInstruction(), llvm::SystemZInstrInfo::PredicateInstruction(), llvm::R600InstrInfo::PredicateInstruction(), llvm::PPCInstrInfo::PredicateInstruction(), PrevCrossBBInst(), print(), llvm::MachineInstr::print(), llvm::ARMAsmPrinter::PrintAsmOperand(), llvm::ARMAsmPrinter::printOperand(), llvm::ARMBaseInstrInfo::produceSameValue(), ProfitableToMerge(), reassociateOps(), llvm::ARMBaseInstrInfo::reMaterialize(), llvm::TargetInstrInfo::reMaterialize(), llvm::X86InstrInfo::reMaterialize(), removeFromParent(), RemoveVRSaveCode(), llvm::Thumb2InstrInfo::ReplaceTailWithBranchTo(), llvm::TargetInstrInfo::ReplaceTailWithBranchTo(), llvm::ThumbRegisterInfo::resolveFrameIndex(), llvm::AArch64RegisterInfo::resolveFrameIndex(), llvm::PPCRegisterInfo::resolveFrameIndex(), llvm::ARMBaseRegisterInfo::resolveFrameIndex(), llvm::SystemZFrameLowering::restoreCalleeSavedRegisters(), llvm::Thumb1FrameLowering::restoreCalleeSavedRegisters(), llvm::XCoreFrameLowering::restoreCalleeSavedRegisters(), llvm::ARMFrameLowering::restoreCalleeSavedRegisters(), llvm::MSP430FrameLowering::restoreCalleeSavedRegisters(), llvm::AArch64FrameLowering::restoreCalleeSavedRegisters(), llvm::PPCFrameLowering::restoreCalleeSavedRegisters(), restoreCRs(), llvm::Mips16InstrInfo::restoreFrame(), llvm::ThumbRegisterInfo::rewriteFrameIndex(), llvm::rewriteT2FrameIndex(), llvm::Mips16RegisterInfo::saveScavengerRegister(), llvm::ThumbRegisterInfo::saveScavengerRegister(), llvm::VLIWMachineScheduler::schedule(), setCallTargetReg(), llvm::ARMBaseInstrInfo::setExecutionDomain(), llvm::MachineOperand::setIsDef(), llvm::MachineOperand::setReg(), llvm::CoalescerPair::setRegisters(), llvm::ARMBaseRegisterInfo::shouldCoalesce(), llvm::Mips16FrameLowering::spillCalleeSavedRegisters(), llvm::MipsSEFrameLowering::spillCalleeSavedRegisters(), llvm::SystemZFrameLowering::spillCalleeSavedRegisters(), llvm::Thumb1FrameLowering::spillCalleeSavedRegisters(), llvm::XCoreFrameLowering::spillCalleeSavedRegisters(), llvm::ARMFrameLowering::spillCalleeSavedRegisters(), llvm::MSP430FrameLowering::spillCalleeSavedRegisters(), llvm::AArch64FrameLowering::spillCalleeSavedRegisters(), llvm::PPCFrameLowering::spillCalleeSavedRegisters(), SplitCriticalEdge(), llvm::SIInstrInfo::splitSMRD(), llvm::Thumb1InstrInfo::storeRegToStackSlot(), llvm::Thumb2InstrInfo::storeRegToStackSlot(), llvm::MSP430InstrInfo::storeRegToStackSlot(), llvm::XCoreInstrInfo::storeRegToStackSlot(), llvm::HexagonInstrInfo::storeRegToStackSlot(), llvm::SparcInstrInfo::storeRegToStackSlot(), llvm::SIInstrInfo::storeRegToStackSlot(), llvm::AArch64InstrInfo::storeRegToStackSlot(), llvm::PPCInstrInfo::storeRegToStackSlot(), llvm::ARMBaseInstrInfo::storeRegToStackSlot(), llvm::X86InstrInfo::storeRegToStackSlot(), UpdateOperandRegClass(), UpdatePredRedefs(), updateTerminator(), llvm::R600InstrInfo::usesTextureCache(), llvm::R600InstrInfo::usesVertexCache(), verifyCTRBranch(), llvm::SIInstrInfo::verifyInstruction(), and llvm::SelectionDAGBuilder::visitSPDescriptorParent().

MachineFunction* llvm::MachineBasicBlock::getParent ( )
inline

Definition at line 138 of file MachineBasicBlock.h.

MCSymbol * MachineBasicBlock::getSymbol ( ) const
bool llvm::MachineBasicBlock::hasAddressTaken ( ) const
inline

hasAddressTaken - Test whether this block is potentially the target of an indirect branch.

Definition at line 129 of file MachineBasicBlock.h.

Referenced by llvm::AsmPrinter::EmitBasicBlockStart(), llvm::HexagonAsmPrinter::isBlockOnlyReachableByFallthrough(), and print().

MachineBasicBlock::instr_iterator MachineBasicBlock::insert ( instr_iterator  I,
MachineInstr M 
)

Insert MI into the instruction list before I, possibly inside a bundle.

If the insertion point is inside a bundle, MI will be added to the bundle, otherwise MI will not be added to any bundle. That means this function alone can't be used to prepend or append instructions to bundles. See MIBundleBuilder::insert() for a more reliable way of doing that.

Definition at line 956 of file MachineBasicBlock.cpp.

References llvm::MachineInstr::BundledPred, llvm::MachineInstr::BundledSucc, llvm::ilist< NodeTy >::insert(), instr_end(), llvm::MachineInstr::isBundledWithPred(), llvm::MachineInstr::isBundledWithSucc(), and llvm::MachineInstr::setFlag().

Referenced by llvm::BuildMI(), llvm::MSP430FrameLowering::eliminateCallFramePseudoInstr(), llvm::XCoreFrameLowering::eliminateCallFramePseudoInstr(), llvm::TargetLoweringBase::emitPatchPoint(), llvm::X86FrameLowering::emitPrologue(), llvm::ScheduleDAGSDNodes::EmitSchedule(), llvm::TargetInstrInfo::foldMemoryOperand(), FuseInst(), FuseTwoAddrInst(), llvm::MIRParserImpl::initializeMachineBasicBlock(), llvm::MIBundleBuilder::insert(), llvm::PPCInstrInfo::loadRegFromStackSlot(), llvm::X86InstrInfo::optimizeCompareInstr(), ProcessSDDbgValues(), llvm::ARMBaseInstrInfo::reMaterialize(), llvm::TargetInstrInfo::reMaterialize(), llvm::X86InstrInfo::reMaterialize(), llvm::Thumb1FrameLowering::restoreCalleeSavedRegisters(), restoreCRs(), llvm::SelectionDAGISel::runOnMachineFunction(), llvm::PPCFrameLowering::spillCalleeSavedRegisters(), and llvm::PPCInstrInfo::storeRegToStackSlot().

template<typename IT >
void llvm::MachineBasicBlock::insert ( iterator  I,
IT  S,
IT  E 
)
inline

Insert a range of instructions into the instruction list before I.

Definition at line 508 of file MachineBasicBlock.h.

References end(), and llvm::ilist< NodeTy >::insert().

iterator llvm::MachineBasicBlock::insert ( iterator  I,
MachineInstr MI 
)
inline
iterator llvm::MachineBasicBlock::insertAfter ( iterator  I,
MachineInstr MI 
)
inline
MachineInstr& llvm::MachineBasicBlock::instr_back ( )
inline

Definition at line 223 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::back().

const MachineInstr& llvm::MachineBasicBlock::instr_back ( ) const
inline

Definition at line 225 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::back().

instr_iterator llvm::MachineBasicBlock::instr_begin ( )
inline
const_instr_iterator llvm::MachineBasicBlock::instr_begin ( ) const
inline

Definition at line 233 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::begin().

instr_iterator llvm::MachineBasicBlock::instr_end ( )
inline
const_instr_iterator llvm::MachineBasicBlock::instr_end ( ) const
inline

Definition at line 235 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::end().

MachineInstr& llvm::MachineBasicBlock::instr_front ( )
inline

Definition at line 222 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::front().

const MachineInstr& llvm::MachineBasicBlock::instr_front ( ) const
inline

Definition at line 224 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::front().

reverse_instr_iterator llvm::MachineBasicBlock::instr_rbegin ( )
inline

Definition at line 236 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::rbegin().

Referenced by rbegin().

const_reverse_instr_iterator llvm::MachineBasicBlock::instr_rbegin ( ) const
inline

Definition at line 237 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::rbegin().

reverse_instr_iterator llvm::MachineBasicBlock::instr_rend ( )
inline

Definition at line 238 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::rend().

Referenced by rend().

const_reverse_instr_iterator llvm::MachineBasicBlock::instr_rend ( ) const
inline

Definition at line 239 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::rend().

bool llvm::MachineBasicBlock::isLandingPad ( ) const
inline

isLandingPad - Returns true if the block is a landing pad.

That is this basic block is entered via an exception handler.

Definition at line 363 of file MachineBasicBlock.h.

Referenced by addLiveIn(), CorrectExtraCFGEdges(), llvm::findPHICopyInsertPoint(), llvm::MipsAsmPrinter::isBlockOnlyReachableByFallthrough(), llvm::AsmPrinter::isBlockOnlyReachableByFallthrough(), print(), and SplitCriticalEdge().

bool MachineBasicBlock::isLayoutSuccessor ( const MachineBasicBlock MBB) const

isLayoutSuccessor - Return true if the specified MBB will be emitted immediately after this block, such that if this block exits by falling through, control will transfer to the specified MBB.

Note that MBB need not be a successor at all, for example if this block ends with an unconditional branch to some other block.

Definition at line 618 of file MachineBasicBlock.cpp.

References I.

Referenced by llvm::BPFInstrInfo::AnalyzeBranch(), llvm::HexagonInstrInfo::AnalyzeBranch(), llvm::SparcInstrInfo::AnalyzeBranch(), llvm::MSP430InstrInfo::AnalyzeBranch(), llvm::SystemZInstrInfo::AnalyzeBranch(), llvm::FastISel::fastEmitBranch(), llvm::MipsAsmPrinter::isBlockOnlyReachableByFallthrough(), llvm::AsmPrinter::isBlockOnlyReachableByFallthrough(), ProfitableToMerge(), SplitCriticalEdge(), and updateTerminator().

bool MachineBasicBlock::isLiveIn ( unsigned  Reg) const
bool MachineBasicBlock::isPredecessor ( const MachineBasicBlock MBB) const

isPredecessor - Return true if the specified MBB is a predecessor of this block.

Definition at line 610 of file MachineBasicBlock.cpp.

References pred_begin(), and pred_end().

Referenced by llvm::MachineTraceMetrics::Ensemble::invalidate(), and llvm::MachineTraceMetrics::Ensemble::verify().

bool MachineBasicBlock::isSuccessor ( const MachineBasicBlock MBB) const

isSuccessor - Return true if the specified MBB is a successor of this block.

Definition at line 614 of file MachineBasicBlock.cpp.

References succ_begin(), and succ_end().

Referenced by canFallThrough(), llvm::ScheduleDAGMILive::computeCyclicCriticalPath(), llvm::MachineTraceMetrics::Ensemble::invalidate(), IsBetterFallthrough(), and llvm::MachineTraceMetrics::Ensemble::verify().

livein_iterator llvm::MachineBasicBlock::livein_begin ( ) const
inline
bool llvm::MachineBasicBlock::livein_empty ( ) const
inline

Definition at line 349 of file MachineBasicBlock.h.

Referenced by print().

livein_iterator llvm::MachineBasicBlock::livein_end ( ) const
inline
void MachineBasicBlock::moveAfter ( MachineBasicBlock NewBefore)

Definition at line 376 of file MachineBasicBlock.cpp.

References getParent(), and llvm::MachineFunction::splice().

void MachineBasicBlock::moveBefore ( MachineBasicBlock NewAfter)

moveBefore/moveAfter - move 'this' block before or after the specified block.

This only moves the block, it does not modify the CFG or adjust potential fall-throughs at the end of the block.

Definition at line 372 of file MachineBasicBlock.cpp.

References getParent(), and llvm::MachineFunction::splice().

void llvm::MachineBasicBlock::pop_back ( )
inline

Definition at line 495 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::pop_back().

void llvm::MachineBasicBlock::pop_front ( )
inline

Definition at line 494 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::pop_front().

pred_iterator llvm::MachineBasicBlock::pred_begin ( )
inline
const_pred_iterator llvm::MachineBasicBlock::pred_begin ( ) const
inline

Definition at line 271 of file MachineBasicBlock.h.

bool llvm::MachineBasicBlock::pred_empty ( ) const
inline
pred_iterator llvm::MachineBasicBlock::pred_end ( )
inline
const_pred_iterator llvm::MachineBasicBlock::pred_end ( ) const
inline

Definition at line 273 of file MachineBasicBlock.h.

pred_reverse_iterator llvm::MachineBasicBlock::pred_rbegin ( )
inline

Definition at line 274 of file MachineBasicBlock.h.

Referenced by llvm::LiveVariables::MarkVirtRegAliveInBlock().

const_pred_reverse_iterator llvm::MachineBasicBlock::pred_rbegin ( ) const
inline

Definition at line 276 of file MachineBasicBlock.h.

pred_reverse_iterator llvm::MachineBasicBlock::pred_rend ( )
inline

Definition at line 278 of file MachineBasicBlock.h.

Referenced by llvm::LiveVariables::MarkVirtRegAliveInBlock().

const_pred_reverse_iterator llvm::MachineBasicBlock::pred_rend ( ) const
inline

Definition at line 280 of file MachineBasicBlock.h.

unsigned llvm::MachineBasicBlock::pred_size ( ) const
inline
iterator_range<pred_iterator> llvm::MachineBasicBlock::predecessors ( )
inline
iterator_range<const_pred_iterator> llvm::MachineBasicBlock::predecessors ( ) const
inline

Definition at line 306 of file MachineBasicBlock.h.

References pred_begin(), and pred_end().

void MachineBasicBlock::print ( raw_ostream OS,
SlotIndexes Indexes = nullptr 
) const
void MachineBasicBlock::print ( raw_ostream OS,
ModuleSlotTracker MST,
SlotIndexes Indexes = nullptr 
) const
void MachineBasicBlock::printAsOperand ( raw_ostream OS,
bool  PrintType = true 
) const

Definition at line 324 of file MachineBasicBlock.cpp.

References getNumber().

void llvm::MachineBasicBlock::push_back ( MachineInstr MI)
inline

Definition at line 496 of file MachineBasicBlock.h.

References llvm::ilist< NodeTy >::push_back().

Referenced by ProcessSourceNode().

reverse_iterator llvm::MachineBasicBlock::rbegin ( )
inline
const_reverse_iterator llvm::MachineBasicBlock::rbegin ( ) const
inline

Definition at line 246 of file MachineBasicBlock.h.

References instr_rbegin().

MachineInstr* llvm::MachineBasicBlock::remove ( MachineInstr I)
inline

Remove the unbundled instruction from the instruction list without deleting it.

This function can not be used to remove bundled instructions, use remove_instr to remove individual instructions from a bundle.

Definition at line 571 of file MachineBasicBlock.h.

References I, and llvm::iplist< NodeTy, Traits >::remove().

Referenced by llvm::X86InstrInfo::optimizeCompareInstr().

MachineInstr * MachineBasicBlock::remove_instr ( MachineInstr I)

Remove the possibly bundled instruction from the instruction list without deleting it.

If the instruction is part of a bundle, the other instructions in the bundle will still be bundled after removing the single instruction.

Definition at line 948 of file MachineBasicBlock.cpp.

References llvm::MachineInstr::BundledPred, llvm::MachineInstr::BundledSucc, llvm::MachineInstr::clearFlag(), llvm::iplist< NodeTy, Traits >::remove(), and unbundleSingleMI().

MachineBasicBlock * MachineBasicBlock::removeFromParent ( )

removeFromParent - This method unlinks 'this' from the containing function, and returns it, but does not delete it.

Definition at line 969 of file MachineBasicBlock.cpp.

References getParent(), and llvm::MachineFunction::remove().

void MachineBasicBlock::removeLiveIn ( unsigned  Reg)

removeLiveIn - Remove the specified register from the live in set.

Definition at line 328 of file MachineBasicBlock.cpp.

References I.

Referenced by emitGPDisp().

void MachineBasicBlock::removeSuccessor ( MachineBasicBlock succ)

removeSuccessor - Remove successor from the successors list of this MachineBasicBlock.

The Predecessors list of succ is automatically updated.

Definition at line 491 of file MachineBasicBlock.cpp.

References I.

Referenced by CorrectExtraCFGEdges(), llvm::TargetInstrInfo::ReplaceTailWithBranchTo(), transferSuccessors(), and transferSuccessorsAndUpdatePHIs().

MachineBasicBlock::succ_iterator MachineBasicBlock::removeSuccessor ( succ_iterator  I)

removeSuccessor - Remove specified successor from the successors list of this MachineBasicBlock.

The Predecessors list of succ is automatically updated. Return the iterator to the element after the one removed.

Definition at line 506 of file MachineBasicBlock.cpp.

reverse_iterator llvm::MachineBasicBlock::rend ( )
inline
const_reverse_iterator llvm::MachineBasicBlock::rend ( ) const
inline

Definition at line 248 of file MachineBasicBlock.h.

References instr_rend().

void MachineBasicBlock::replaceSuccessor ( MachineBasicBlock Old,
MachineBasicBlock New 
)

replaceSuccessor - Replace successor OLD with NEW and update weight info.

Definition at line 519 of file MachineBasicBlock.cpp.

References I, succ_begin(), and succ_end().

Referenced by ReplaceUsesOfBlockWith().

void MachineBasicBlock::ReplaceUsesOfBlockWith ( MachineBasicBlock Old,
MachineBasicBlock New 
)

ReplaceUsesOfBlockWith - Given a machine basic block that branched to 'Old', change the code and CFG so that it branches to 'New' instead.

Definition at line 986 of file MachineBasicBlock.cpp.

References I, instr_begin(), instr_end(), and replaceSuccessor().

Referenced by SplitCriticalEdge().

void llvm::MachineBasicBlock::setAlignment ( unsigned  Align)
inline

setAlignment - Set alignment of the basic block.

The alignment is specified as log2(bytes).

Definition at line 359 of file MachineBasicBlock.h.

References Align().

Referenced by llvm::MIRParserImpl::initializeMachineBasicBlock().

void llvm::MachineBasicBlock::setHasAddressTaken ( )
inline

setHasAddressTaken - Set this block to reflect that it potentially is the target of an indirect branch.

Definition at line 133 of file MachineBasicBlock.h.

Referenced by llvm::MIRParserImpl::initializeMachineBasicBlock(), llvm::HexagonTargetLowering::LowerBR_JT(), and llvm::FunctionLoweringInfo::set().

void llvm::MachineBasicBlock::setIsLandingPad ( bool  V = true)
inline

setIsLandingPad - Indicates the block is a landing pad.

That is this basic block is entered via an exception handler.

Definition at line 367 of file MachineBasicBlock.h.

Referenced by llvm::MIRParserImpl::initializeMachineBasicBlock().

void llvm::MachineBasicBlock::setNumber ( int  N)
inline

Definition at line 674 of file MachineBasicBlock.h.

References N.

void MachineBasicBlock::setSuccWeight ( succ_iterator  I,
uint32_t  weight 
)

Set successor weight of a given iterator.

Definition at line 1096 of file MachineBasicBlock.cpp.

Referenced by ScaleWeights().

unsigned llvm::MachineBasicBlock::size ( ) const
inline
MachineBasicBlock::iterator MachineBasicBlock::SkipPHIsAndLabels ( MachineBasicBlock::iterator  I)

SkipPHIsAndLabels - Return the first instruction in MBB after I that is not a PHI or a label.

This is the correct point to insert copies at the beginning of a basic block.

Definition at line 155 of file MachineBasicBlock.cpp.

References end(), and I.

Referenced by addLiveIn(), findInsertLocation(), llvm::findPHICopyInsertPoint(), and llvm::SplitEditor::leaveIntvAtTop().

void llvm::MachineBasicBlock::sortUniqueLiveIns ( )
inline

Sorts and uniques the LiveIns vector.

It can be significantly faster to do this than repeatedly calling isLiveIn before calling addLiveIn for every LiveIn insertion.

Definition at line 326 of file MachineBasicBlock.h.

void llvm::MachineBasicBlock::splice ( iterator  Where,
MachineBasicBlock Other,
iterator  From 
)
inline
void llvm::MachineBasicBlock::splice ( iterator  Where,
MachineBasicBlock Other,
iterator  From,
iterator  To 
)
inline

Take a block of instructions from MBB 'Other' in the range [From, To), and insert them into this MBB right before 'Where'.

The instruction at 'Where' must not be included in the range of instructions to move.

Definition at line 602 of file MachineBasicBlock.h.

References llvm::iplist< NodeTy, Traits >::splice().

MachineBasicBlock * MachineBasicBlock::SplitCriticalEdge ( MachineBasicBlock Succ,
Pass P 
)

SplitCriticalEdge - Split the critical edge from this block to the given successor block, and return the newly created block, or null if splitting is not possible.

This function updates LiveVariables, MachineDominatorTree, and MachineLoopInfo, as applicable.

Definition at line 666 of file MachineBasicBlock.cpp.

References addLiveIn(), llvm::LiveVariables::addNewBlock(), llvm::LiveRange::addSegment(), addSuccessor(), llvm::TargetInstrInfo::AnalyzeBranch(), llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorTemplateCommon< T >::begin(), llvm::SmallVectorImpl< T >::clear(), llvm::SmallSet< T, N, C >::count(), llvm::MachineFunction::CreateMachineBasicBlock(), llvm::dbgs(), DEBUG, llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::SmallVectorTemplateCommon< T >::end(), end(), llvm::MachineFunction::end(), llvm::Pass::getAnalysisIfAvailable(), getFirstInstrTerminator(), getFirstTerminator(), llvm::TargetSubtargetInfo::getInstrInfo(), getNumber(), llvm::MachineRegisterInfo::getNumVirtRegs(), getParent(), llvm::SlotIndex::getPrevSlot(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::LiveVariables::getVarInfo(), llvm::LiveRange::getVNInfoAt(), I, llvm::TargetRegisterInfo::index2VirtReg(), llvm::SmallSet< T, N, C >::insert(), llvm::MachineFunction::insert(), llvm::TargetInstrInfo::InsertBranch(), llvm::SlotIndexes::insertMBBInMaps(), instr_begin(), instr_end(), isLandingPad(), isLayoutSuccessor(), llvm::TargetRegisterInfo::isPhysicalRegister(), llvm::MachineOperand::isUndef(), llvm::TargetRegisterInfo::isVirtualRegister(), llvm::LiveVariables::VarInfo::Kills, llvm::LiveRange::liveAt(), livein_begin(), livein_end(), llvm::MachineInstr::operands_begin(), llvm::MachineInstr::operands_end(), llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), llvm::SmallVectorTemplateBase< T, isPodLike >::push_back(), llvm::LiveVariables::VarInfo::removeKill(), llvm::LiveRange::removeSegment(), ReplaceUsesOfBlockWith(), llvm::TargetMachine::requiresStructuredCFG(), TII, and updateTerminator().

succ_iterator llvm::MachineBasicBlock::succ_begin ( )
inline
const_succ_iterator llvm::MachineBasicBlock::succ_begin ( ) const
inline

Definition at line 287 of file MachineBasicBlock.h.

bool llvm::MachineBasicBlock::succ_empty ( ) const
inline
succ_iterator llvm::MachineBasicBlock::succ_end ( )
inline
const_succ_iterator llvm::MachineBasicBlock::succ_end ( ) const
inline

Definition at line 289 of file MachineBasicBlock.h.

succ_reverse_iterator llvm::MachineBasicBlock::succ_rbegin ( )
inline

Definition at line 290 of file MachineBasicBlock.h.

const_succ_reverse_iterator llvm::MachineBasicBlock::succ_rbegin ( ) const
inline

Definition at line 292 of file MachineBasicBlock.h.

succ_reverse_iterator llvm::MachineBasicBlock::succ_rend ( )
inline

Definition at line 294 of file MachineBasicBlock.h.

const_succ_reverse_iterator llvm::MachineBasicBlock::succ_rend ( ) const
inline

Definition at line 296 of file MachineBasicBlock.h.

unsigned llvm::MachineBasicBlock::succ_size ( ) const
inline
iterator_range<succ_iterator> llvm::MachineBasicBlock::successors ( )
inline
iterator_range<const_succ_iterator> llvm::MachineBasicBlock::successors ( ) const
inline

Definition at line 312 of file MachineBasicBlock.h.

References succ_begin(), and succ_end().

iterator_range<iterator> llvm::MachineBasicBlock::terminators ( )
inline
iterator_range<const_iterator> llvm::MachineBasicBlock::terminators ( ) const
inline

Definition at line 253 of file MachineBasicBlock.h.

References end(), and getFirstTerminator().

void MachineBasicBlock::transferSuccessors ( MachineBasicBlock fromMBB)

transferSuccessors - Transfers all the successors from MBB to this machine basic block (i.e., copies all the successors fromMBB and remove all the successors from fromMBB).

Definition at line 569 of file MachineBasicBlock.cpp.

References addSuccessor(), removeSuccessor(), succ_begin(), and succ_empty().

void MachineBasicBlock::transferSuccessorsAndUpdatePHIs ( MachineBasicBlock fromMBB)
void MachineBasicBlock::updateTerminator ( )

updateTerminator - Update the terminator instructions in block to account for changes to the layout.

If the block previously used a fallthrough, it may now need a branch, and if it previously used branching it may now be able to use a fallthrough.

Definition at line 381 of file MachineBasicBlock.cpp.

References llvm::TargetInstrInfo::AnalyzeBranch(), canFallThrough(), llvm::SmallVectorImpl< T >::clear(), llvm::SmallVectorBase::empty(), llvm::TargetSubtargetInfo::getInstrInfo(), getParent(), llvm::MachineFunction::getSubtarget(), llvm::TargetInstrInfo::InsertBranch(), isLayoutSuccessor(), llvm::TargetInstrInfo::RemoveBranch(), llvm::TargetInstrInfo::ReverseBranchCondition(), llvm::SI, succ_begin(), succ_empty(), succ_end(), and TII.

Referenced by SplitCriticalEdge().

Friends And Related Function Documentation

friend struct ilist_traits< MachineBasicBlock >
friend

Definition at line 696 of file MachineBasicBlock.h.

friend class MachineBranchProbabilityInfo
friend

Definition at line 687 of file MachineBasicBlock.h.

friend class MachineFunction
friend

Definition at line 110 of file MachineBasicBlock.h.


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