LLVM: llvm::XtensaAsmPrinter Class Reference (original) (raw)

If the specified function has had any references to address-taken blocks generated, but the block got deleted, return the symbol now so we can emit it.

const TargetLoweringObjectFile &

getObjFileLowering () const

Return information about object file lowering.

const DataLayout &

getDataLayout () const

Return information about data layout.

unsigned

getPointerSize () const

Return the pointer size from the TargetMachine.

const MCSubtargetInfo &

getSubtargetInfo () const

Return information about subtarget.

void

EmitToStreamer (MCStreamer &S, const MCInst &Inst)

void

emitInitialRawDwarfLocDirective (const MachineFunction &MF)

Emits inital debug location directive.

const MCSection *

getCurrentSection () const

Return the current section we are emitting to.

void

getNameWithPrefix (SmallVectorImpl< char > &Name, const GlobalValue *GV) const

MCSymbol *

getSymbol (const GlobalValue *GV) const

MCSymbol *

getSymbolPreferLocal (const GlobalValue &GV) const

Similar to getSymbol() but preferred for references.

bool

doesDwarfUseRelocationsAcrossSections () const

void

setDwarfUsesRelocationsAcrossSections (bool Enable)

StringRef

getConstantSectionSuffix (const Constant *C) const

Returns a section suffix (hot or unlikely) for the constant if profiles are available.

void

handleCallsiteForCallgraph (FunctionCallGraphInfo &FuncCGInfo, const MachineFunction::CallSiteInfoMap &CallSitesInfoMap, const MachineInstr &MI)

If MI is an indirect call, add expected type IDs to indirect type ids list.

void

recordSled (MCSymbol *Sled, const MachineInstr &MI, SledKind Kind, uint8_t Version=0)

void

emitXRayTable ()

Emit a table with all XRay instrumentation points.

void

emitPatchableFunctionEntries ()

void

getAnalysisUsage (AnalysisUsage &AU) const override

Record analysis usage.

bool

doInitialization (Module &M) override

Set up the AsmPrinter when we are working on a new module.

bool

doFinalization (Module &M) override

Shut down the asmprinter.

bool

runOnMachineFunction (MachineFunction &MF) override

Emit the specified function out to the OutStreamer.

virtual void

SetupMachineFunction (MachineFunction &MF)

This should be called when a new MachineFunction is being processed from runOnMachineFunction.

void

emitFunctionBody ()

This method emits the body and trailer for a function.

void

emitCFIInstruction (const MachineInstr &MI)

void

emitFrameAlloc (const MachineInstr &MI)

void

emitStackSizeSection (const MachineFunction &MF)

void

emitStackUsage (const MachineFunction &MF)

void

emitBBAddrMapSection (const MachineFunction &MF)

void

emitKCFITrapEntry (const MachineFunction &MF, const MCSymbol *Symbol)

virtual void

emitKCFITypeId (const MachineFunction &MF)

void

emitCallGraphSection (const MachineFunction &MF, FunctionCallGraphInfo &FuncCGInfo)

Emits .llvm.callgraph section.

void

emitPseudoProbe (const MachineInstr &MI)

void

emitRemarksSection (remarks::RemarkStreamer &RS)

void

emitPCSectionsLabel (const MachineFunction &MF, const MDNode &MD)

Emits a label as reference for PC sections.

void

emitPCSections (const MachineFunction &MF)

Emits the PC sections collected from instructions.

CFISection

getFunctionCFISectionType (const Function &F) const

Get the CFISection type for a function.

CFISection

getFunctionCFISectionType (const MachineFunction &MF) const

Get the CFISection type for a function.

CFISection

getModuleCFISectionType () const

Get the CFISection type for the module.

bool

hasDebugInfo () const

Returns true if valid debug info is present.

bool

needsSEHMoves ()

bool

usesCFIWithoutEH () const

Since emitting CFI unwind information is entangled with supporting the exceptions, this returns true for platforms which use CFI unwind information for other purposes (debugging, sanitizers, ...) when MCAsmInfo::ExceptionsType == ExceptionHandling::None.

virtual void

emitJumpTableInfo ()

Print assembly representations of the jump tables used by the current function to the current output stream.

virtual void

emitGlobalVariable (const GlobalVariable *GV)

Emit the specified global variable to the .s file.

bool

emitSpecialLLVMGlobal (const GlobalVariable *GV)

Check to see if the specified global is a special global used by LLVM.

void

preprocessXXStructorList (const DataLayout &DL, const Constant *List, SmallVector< Structor, 8 > &Structors)

This method gathers an array of Structors and then sorts them out by Priority.

virtual void

emitXXStructorList (const DataLayout &DL, const Constant *List, bool IsCtor)

This method emits llvm.global_ctors or llvm.global_dtors list.

void

emitAlignment (Align Alignment, const GlobalObject *GV=nullptr, unsigned MaxBytesToEmit=0) const

Emit an alignment directive to the specified power of two boundary.

virtual const MCExpr *

lowerConstant (const Constant *CV, const Constant *BaseCV=nullptr, uint64_t Offset=0)

Lower the specified LLVM Constant to an MCExpr.

void

emitGlobalConstant (const DataLayout &DL, const Constant *CV, AliasMapTy *AliasList=nullptr)

EmitGlobalConstant - Print a general LLVM constant to the .s file.

void

computeGlobalGOTEquivs (Module &M)

Unnamed constant global variables solely contaning a pointer to another globals variable act like a global variable "proxy", or GOT equivalents, i.e., it's only used to hold the address of the latter.

void

emitGlobalGOTEquivs ()

Constant expressions using GOT equivalent globals may not be eligible for PC relative GOT entry conversion, in such cases we need to emit the proxies we previously omitted in EmitGlobalVariable.

void

emitStackMaps ()

Emit the stack maps.

void

addAsmPrinterHandler (std::unique_ptr< AsmPrinterHandler > Handler)

virtual void

emitStartOfAsmFile (Module &)

This virtual method can be overridden by targets that want to emit something at the start of their file.

virtual void

emitEndOfAsmFile (Module &)

This virtual method can be overridden by targets that want to emit something at the end of their file.

virtual void

emitFunctionBodyStart ()

Targets can override this to emit stuff before the first basic block in the function.

virtual void

emitFunctionBodyEnd ()

Targets can override this to emit stuff after the last basic block in the function.

virtual void

emitBasicBlockStart (const MachineBasicBlock &MBB)

Targets can override this to emit stuff at the start of a basic block.

virtual void

emitBasicBlockEnd (const MachineBasicBlock &MBB)

Targets can override this to emit stuff at the end of a basic block.

virtual MCSymbol *

GetCPISymbol (unsigned CPID) const

Return the symbol for the specified constant pool entry.

virtual void

emitFunctionEntryLabel ()

EmitFunctionEntryLabel - Emit the label that is the entrypoint for the function.

virtual void

emitFunctionDescriptor ()

virtual void

emitXXStructor (const DataLayout &DL, const Constant *CV)

Targets can override this to change how global constants that are part of a C++ static/global constructor list are emitted.

virtual const MCExpr *

lowerConstantPtrAuth (const ConstantPtrAuth &CPA)

virtual const MCExpr *

lowerBlockAddressConstant (const BlockAddress &BA)

Lower the specified BlockAddress to an MCExpr.

virtual bool

isBlockOnlyReachableByFallthrough (const MachineBasicBlock *MBB) const

Return true if the basic block has exactly one predecessor and the control transfer mechanism between the predecessor and this block is a fall-through.

virtual void

emitImplicitDef (const MachineInstr *MI) const

Targets can override this to customize the output of IMPLICIT_DEF instructions in verbose mode.

virtual const MCSubtargetInfo *

getIFuncMCSubtargetInfo () const

getSubtargetInfo() cannot be used where this is needed because we don't have a MachineFunction when we're lowering a GlobalIFunc, and getSubtargetInfo requires one.

virtual void

emitMachOIFuncStubBody (Module &M, const GlobalIFunc &GI, MCSymbol *LazyPointer)

virtual void

emitMachOIFuncStubHelperBody (Module &M, const GlobalIFunc &GI, MCSymbol *LazyPointer)

void

emitNops (unsigned N)

Emit N NOP instructions.

MCSymbol *

createTempSymbol (const Twine &Name) const

MCSymbol *

getSymbolWithGlobalValueBase (const GlobalValue *GV, StringRef Suffix) const

Return the MCSymbol for a private symbol with global value name as its base, with the specified suffix.

MCSymbol *

GetExternalSymbolSymbol (const Twine &Sym) const

Return the MCSymbol for the specified ExternalSymbol.

MCSymbol *

GetJTISymbol (unsigned JTID, bool isLinkerPrivate=false) const

Return the symbol for the specified jump table entry.

MCSymbol *

GetJTSetSymbol (unsigned UID, unsigned MBBID) const

Return the symbol for the specified jump table .set FIXME: privatize to AsmPrinter.

MCSymbol *

GetBlockAddressSymbol (const BlockAddress *BA) const

Return the MCSymbol used to satisfy BlockAddress uses of the specified basic block.

MCSymbol *

GetBlockAddressSymbol (const BasicBlock *BB) const

void

printOffset (int64_t Offset, raw_ostream &OS) const

This is just convenient handler for printing offsets.

void

emitInt8 (int Value) const

Emit a byte directive and value.

void

emitInt16 (int Value) const

Emit a short directive and value.

void

emitInt32 (int Value) const

Emit a long directive and value.

void

emitInt64 (uint64_t Value) const

Emit a long long directive and value.

void

emitSLEB128 (int64_t Value, const char *Desc=nullptr) const

Emit the specified signed leb128 value.

void

emitULEB128 (uint64_t Value, const char *Desc=nullptr, unsigned PadTo=0) const

Emit the specified unsigned leb128 value.

void

emitLabelDifference (const MCSymbol *Hi, const MCSymbol *Lo, unsigned Size) const

Emit something like ".long Hi-Lo" where the size in bytes of the directive is specified by Size and Hi/Lo specify the labels.

void

emitLabelDifferenceAsULEB128 (const MCSymbol *Hi, const MCSymbol *Lo) const

Emit something like ".uleb128 Hi-Lo".

void

emitLabelPlusOffset (const MCSymbol *Label, uint64_t Offset, unsigned Size, bool IsSectionRelative=false) const

Emit something like ".long Label+Offset" where the size in bytes of the directive is specified by Size and Label specifies the label.

void

emitLabelReference (const MCSymbol *Label, unsigned Size, bool IsSectionRelative=false) const

Emit something like ".long Label" where the size in bytes of the directive is specified by Size and Label specifies the label.

void

emitEncodingByte (unsigned Val, const char *Desc=nullptr) const

Emit a .byte 42 directive that corresponds to an encoding.

unsigned

GetSizeOfEncodedValue (unsigned Encoding) const

Return the size of the encoding in bytes.

virtual void

emitTTypeReference (const GlobalValue *GV, unsigned Encoding)

Emit reference to a ttype global with a specified encoding.

void

emitDwarfSymbolReference (const MCSymbol *Label, bool ForceOffset=false) const

Emit a reference to a symbol for use in dwarf.

void

emitDwarfStringOffset (DwarfStringPoolEntry S) const

Emit the 4- or 8-byte offset of a string from the start of its section.

void

emitDwarfStringOffset (DwarfStringPoolEntryRef S) const

Emit the 4-or 8-byte offset of a string from the start of its section.

void

emitDwarfOffset (const MCSymbol *Label, uint64_t Offset) const

Emit something like ".long Label + Offset" or ".quad Label + Offset" depending on the DWARF format.

void

emitDwarfLengthOrOffset (uint64_t Value) const

Emit 32- or 64-bit value depending on the DWARF format.

void

emitDwarfUnitLength (uint64_t Length, const Twine &Comment) const

Emit a unit length field.

MCSymbol *

emitDwarfUnitLength (const Twine &Prefix, const Twine &Comment) const

Emit a unit length field.

void

emitCallSiteOffset (const MCSymbol *Hi, const MCSymbol *Lo, unsigned Encoding) const

Emit reference to a call site with a specified encoding.

void

emitCallSiteValue (uint64_t Value, unsigned Encoding) const

Emit an integer value corresponding to the call site encoding.

virtual unsigned

getISAEncoding ()

Get the value for DW_AT_APPLE_isa. Zero if no isa encoding specified.

virtual void

emitDebugValue (const MCExpr *Value, unsigned Size) const

Emit the directive and value for debug thread local expression.

void

emitCFIInstruction (const MCCFIInstruction &Inst) const

Emit frame instruction to describe the layout of the frame.

template<typename T>

void

emitDwarfAbbrevs (const T &Abbrevs) const

Emit Dwarf abbreviation table.

void

emitDwarfAbbrev (const DIEAbbrev &Abbrev) const

void

emitDwarfDIE (const DIE &Die) const

Recursively emit Dwarf DIE tree.

virtual std::tuple< const MCSymbol *, uint64_t, const MCSymbol *, codeview::JumpTableEntrySize >

getCodeViewJumpTableInfo (int JTI, const MachineInstr *BranchInstr, const MCSymbol *BranchLabel) const

Gets information required to create a CodeView debug symbol for a jump table.

void

emitCOFFReplaceableFunctionData (Module &M)

Emits symbols and data to allow functions marked with the loader-replaceable attribute to be replaceable.

void

emitCOFFFeatureSymbol (Module &M)

Emits the @feat.00 symbol indicating the features enabled in this module.

virtual void

PrintSpecial (const MachineInstr *MI, raw_ostream &OS, StringRef Code) const

Print information related to the specified machine instr that is independent of the operand, and may be independent of the instr itself.

virtual void

PrintSymbolOperand (const MachineOperand &MO, raw_ostream &OS)

Print the MachineOperand as a symbol.

virtual void

emitInlineAsmStart () const

Let the target do anything it needs to do before emitting inlineasm.

virtual void

emitInlineAsmEnd (const MCSubtargetInfo &StartInfo, const MCSubtargetInfo *EndInfo) const

Let the target do anything it needs to do after emitting inlineasm.

void

emitVisibility (MCSymbol *Sym, unsigned Visibility, bool IsDefinition=true) const

This emits visibility information about symbol, if this is supported by the target.

virtual void

emitLinkage (const GlobalValue *GV, MCSymbol *GVSym) const

This emits linkage information about GVSym based on GV, if this is supported by the target.

Public Member Functions inherited from llvm::MachineFunctionPass

bool

doInitialization (Module &) override

doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run.

Public Member Functions inherited from llvm::FunctionPass

FunctionPass (char &pid)

void

assignPassManager (PMStack &PMS, PassManagerType T) override

Find appropriate Function Pass Manager or Call Graph Pass Manager in the PM Stack and add self into that manager.

PassManagerType

getPotentialPassManagerType () const override

Return what kind of Pass Manager can manage this pass.

Public Member Functions inherited from llvm::Pass

Pass (PassKind K, char &pid)

Pass (const Pass &)=delete

Pass &

operator= (const Pass &)=delete

virtual

~Pass ()

PassKind

getPassKind () const

StringRef

getPassArgument () const

Return a nice clean name for a pass corresponding to that used to enable the pass in opt.

AnalysisID

getPassID () const

getPassID - Return the PassID number that corresponds to this pass.

virtual void

print (raw_ostream &OS, const Module *M) const

print - Print out the internal state of the pass.

void

dump () const

virtual void

preparePassManager (PMStack &)

Check if available pass managers are suitable for this pass or not.

void

setResolver (AnalysisResolver *AR)

AnalysisResolver *

getResolver () const

virtual void

releaseMemory ()

releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed.

virtual ImmutablePass *

getAsImmutablePass ()

virtual PMDataManager *

getAsPMDataManager ()

virtual void

verifyAnalysis () const

verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information.

virtual void

dumpPassStructure (unsigned Offset=0)

template

AnalysisType *

getAnalysisIfAvailable () const

getAnalysisIfAvailable() - Subclasses use this function to get analysis information that might be around, for example to update it.

bool

mustPreserveAnalysisID (char &AID) const

mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID.

template

AnalysisType &

getAnalysis () const

getAnalysis() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.

template

AnalysisType &

getAnalysis (Function &F, bool *Changed=nullptr)

getAnalysis() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.

template

AnalysisType &

getAnalysisID (AnalysisID PI) const

template

AnalysisType &

getAnalysisID (AnalysisID PI, Function &F, bool *Changed=nullptr)