LLVM  6.0.0svn
Public Member Functions | Static Public Member Functions | List of all members
llvm::HexagonAsmPrinter Class Reference

#include "Target/Hexagon/HexagonAsmPrinter.h"

Inheritance diagram for llvm::HexagonAsmPrinter:
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Collaboration diagram for llvm::HexagonAsmPrinter:
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Public Member Functions

 HexagonAsmPrinter (TargetMachine &TM, std::unique_ptr< MCStreamer > Streamer)
 
bool runOnMachineFunction (MachineFunction &Fn) override
 Emit the specified function out to the OutStreamer. More...
 
StringRef getPassName () const override
 getPassName - Return a nice clean name for a pass. More...
 
bool isBlockOnlyReachableByFallthrough (const MachineBasicBlock *MBB) const override
 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. More...
 
void EmitInstruction (const MachineInstr *MI) override
 printMachineInstruction – Print out a single Hexagon MI in Darwin syntax to the current output stream. More...
 
void HexagonProcessInstruction (MCInst &Inst, const MachineInstr &MBB)
 
void printOperand (const MachineInstr *MI, unsigned OpNo, raw_ostream &O)
 
bool PrintAsmOperand (const MachineInstr *MI, unsigned OpNo, unsigned AsmVariant, const char *ExtraCode, raw_ostream &OS) override
 PrintAsmOperand - Print out an operand for an inline asm expression. More...
 
bool PrintAsmMemoryOperand (const MachineInstr *MI, unsigned OpNo, unsigned AsmVariant, const char *ExtraCode, raw_ostream &OS) override
 Print the specified operand of MI, an INLINEASM instruction, using the specified assembler variant as an address. More...
 
- Public Member Functions inherited from llvm::AsmPrinter
 ~AsmPrinter () override
 
DwarfDebuggetDwarfDebug ()
 
DwarfDebuggetDwarfDebug () const
 
uint16_t getDwarfVersion () const
 
void setDwarfVersion (uint16_t Version)
 
bool isPositionIndependent () const
 
bool isVerbose () const
 Return true if assembly output should contain comments. More...
 
unsigned getFunctionNumber () const
 Return a unique ID for the current function. More...
 
MCSymbolgetFunctionBegin () const
 
MCSymbolgetFunctionEnd () const
 
MCSymbolgetCurExceptionSym ()
 
const TargetLoweringObjectFilegetObjFileLowering () const
 Return information about object file lowering. More...
 
const DataLayoutgetDataLayout () const
 Return information about data layout. More...
 
unsigned getPointerSize () const
 Return the pointer size from the TargetMachine. More...
 
const MCSubtargetInfogetSubtargetInfo () const
 Return information about subtarget. More...
 
void EmitToStreamer (MCStreamer &S, const MCInst &Inst)
 
const MCSectiongetCurrentSection () const
 Return the current section we are emitting to. More...
 
void getNameWithPrefix (SmallVectorImpl< char > &Name, const GlobalValue *GV) const
 
MCSymbolgetSymbol (const GlobalValue *GV) const
 
void recordSled (MCSymbol *Sled, const MachineInstr &MI, SledKind Kind, uint8_t Version=0)
 
void emitXRayTable ()
 Emit a table with all XRay instrumentation points. More...
 
void getAnalysisUsage (AnalysisUsage &AU) const override
 Record analysis usage. More...
 
bool doInitialization (Module &M) override
 Set up the AsmPrinter when we are working on a new module. More...
 
bool doFinalization (Module &M) override
 Shut down the asmprinter. More...
 
void SetupMachineFunction (MachineFunction &MF)
 This should be called when a new MachineFunction is being processed from runOnMachineFunction. More...
 
void EmitFunctionBody ()
 This method emits the body and trailer for a function. More...
 
void emitCFIInstruction (const MachineInstr &MI)
 
void emitFrameAlloc (const MachineInstr &MI)
 
CFIMoveType needsCFIMoves () const
 
bool needsOnlyDebugCFIMoves () const
 Returns false if needsCFIMoves() == CFI_M_EH for any function in the module. More...
 
bool needsSEHMoves ()
 
virtual void EmitConstantPool ()
 Print to the current output stream assembly representations of the constants in the constant pool MCP. More...
 
virtual void EmitJumpTableInfo ()
 Print assembly representations of the jump tables used by the current function to the current output stream. More...
 
virtual void EmitGlobalVariable (const GlobalVariable *GV)
 Emit the specified global variable to the .s file. More...
 
bool EmitSpecialLLVMGlobal (const GlobalVariable *GV)
 Check to see if the specified global is a special global used by LLVM. More...
 
void EmitAlignment (unsigned NumBits, const GlobalObject *GO=nullptr) const
 Emit an alignment directive to the specified power of two boundary. More...
 
virtual const MCExprlowerConstant (const Constant *CV)
 Lower the specified LLVM Constant to an MCExpr. More...
 
void EmitGlobalConstant (const DataLayout &DL, const Constant *CV)
 Print a general LLVM constant to the .s file. More...
 
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. More...
 
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. More...
 
virtual void EmitStartOfAsmFile (Module &)
 This virtual method can be overridden by targets that want to emit something at the start of their file. More...
 
virtual void EmitEndOfAsmFile (Module &)
 This virtual method can be overridden by targets that want to emit something at the end of their file. More...
 
virtual void EmitFunctionBodyStart ()
 Targets can override this to emit stuff before the first basic block in the function. More...
 
virtual void EmitFunctionBodyEnd ()
 Targets can override this to emit stuff after the last basic block in the function. More...
 
virtual void EmitBasicBlockStart (const MachineBasicBlock &MBB) const
 Targets can override this to emit stuff at the start of a basic block. More...
 
virtual void EmitBasicBlockEnd (const MachineBasicBlock &MBB)
 Targets can override this to emit stuff at the end of a basic block. More...
 
virtual MCSymbolGetCPISymbol (unsigned CPID) const
 Return the symbol for the specified constant pool entry. More...
 
virtual void EmitFunctionEntryLabel ()
 EmitFunctionEntryLabel - Emit the label that is the entrypoint for the function. More...
 
virtual void EmitMachineConstantPoolValue (MachineConstantPoolValue *MCPV)
 
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. More...
 
virtual void emitImplicitDef (const MachineInstr *MI) const
 Targets can override this to customize the output of IMPLICIT_DEF instructions in verbose mode. More...
 
MCSymbolcreateTempSymbol (const Twine &Name) const
 
MCSymbolgetSymbolWithGlobalValueBase (const GlobalValue *GV, StringRef Suffix) const
 Return the MCSymbol for a private symbol with global value name as its base, with the specified suffix. More...
 
MCSymbolGetExternalSymbolSymbol (StringRef Sym) const
 Return the MCSymbol for the specified ExternalSymbol. More...
 
MCSymbolGetJTISymbol (unsigned JTID, bool isLinkerPrivate=false) const
 Return the symbol for the specified jump table entry. More...
 
MCSymbolGetJTSetSymbol (unsigned UID, unsigned MBBID) const
 Return the symbol for the specified jump table .set FIXME: privatize to AsmPrinter. More...
 
MCSymbolGetBlockAddressSymbol (const BlockAddress *BA) const
 Return the MCSymbol used to satisfy BlockAddress uses of the specified basic block. More...
 
MCSymbolGetBlockAddressSymbol (const BasicBlock *BB) const
 
void printOffset (int64_t Offset, raw_ostream &OS) const
 This is just convenient handler for printing offsets. More...
 
void EmitInt8 (int Value) const
 Emit a byte directive and value. More...
 
void EmitInt16 (int Value) const
 Emit a short directive and value. More...
 
void EmitInt32 (int Value) const
 Emit a long directive and value. More...
 
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. More...
 
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. More...
 
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. More...
 
void EmitSLEB128 (int64_t Value, const char *Desc=nullptr) const
 Emit the specified signed leb128 value. More...
 
void EmitULEB128 (uint64_t Value, const char *Desc=nullptr) const
 Emit the specified unsigned leb128 value. More...
 
void EmitPaddedULEB128 (uint64_t Value, unsigned PadTo, const char *Desc=nullptr) const
 Emit the specified unsigned leb128 value padded to a specific number bytes. More...
 
void EmitEncodingByte (unsigned Val, const char *Desc=nullptr) const
 Emit a .byte 42 directive that corresponds to an encoding. More...
 
unsigned GetSizeOfEncodedValue (unsigned Encoding) const
 Return the size of the encoding in bytes. More...
 
void EmitTTypeReference (const GlobalValue *GV, unsigned Encoding) const
 Emit reference to a ttype global with a specified encoding. More...
 
void emitDwarfSymbolReference (const MCSymbol *Label, bool ForceOffset=false) const
 Emit a reference to a symbol for use in dwarf. More...
 
void emitDwarfStringOffset (DwarfStringPoolEntryRef S) const
 Emit the 4-byte offset of a string from the start of its section. More...
 
virtual unsigned getISAEncoding ()
 Get the value for DW_AT_APPLE_isa. Zero if no isa encoding specified. More...
 
virtual void EmitDebugThreadLocal (const MCExpr *Value, unsigned Size) const
 Emit the directive and value for debug thread local expression. More...
 
void emitCFIInstruction (const MCCFIInstruction &Inst) const
 Emit frame instruction to describe the layout of the frame. More...
 
template<typename T >
void emitDwarfAbbrevs (const T &Abbrevs) const
 Emit Dwarf abbreviation table. More...
 
void emitDwarfAbbrev (const DIEAbbrev &Abbrev) const
 
void emitDwarfDIE (const DIE &Die) const
 Recursively emit Dwarf DIE tree. More...
 
virtual void PrintSpecial (const MachineInstr *MI, raw_ostream &OS, const char *Code) const
 Print information related to the specified machine instr that is independent of the operand, and may be independent of the instr itself. More...
 
virtual void emitInlineAsmStart () const
 Let the target do anything it needs to do before emitting inlineasm. More...
 
virtual void emitInlineAsmEnd (const MCSubtargetInfo &StartInfo, const MCSubtargetInfo *EndInfo) const
 Let the target do anything it needs to do after emitting inlineasm. More...
 
- 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. More...
 
- Public Member Functions inherited from llvm::FunctionPass
 FunctionPass (char &pid)
 
PasscreatePrinterPass (raw_ostream &OS, const std::string &Banner) const override
 createPrinterPass - Get a function printer pass. More...
 
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. More...
 
PassManagerType getPotentialPassManagerType () const override
 Return what kind of Pass Manager can manage this pass. More...
 
- Public Member Functions inherited from llvm::Pass
 Pass (PassKind K, char &pid)
 
 Pass (const Pass &)=delete
 
Passoperator= (const Pass &)=delete
 
virtual ~Pass ()
 
PassKind getPassKind () const
 
AnalysisID getPassID () const
 getPassID - Return the PassID number that corresponds to this pass. More...
 
virtual void print (raw_ostream &OS, const Module *M) const
 print - Print out the internal state of the pass. More...
 
void dump () const
 
virtual void preparePassManager (PMStack &)
 Check if available pass managers are suitable for this pass or not. More...
 
void setResolver (AnalysisResolver *AR)
 
AnalysisResolvergetResolver () 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. More...
 
virtual void * getAdjustedAnalysisPointer (AnalysisID ID)
 getAdjustedAnalysisPointer - This method is used when a pass implements an analysis interface through multiple inheritance. More...
 
virtual ImmutablePassgetAsImmutablePass ()
 
virtual PMDataManagergetAsPMDataManager ()
 
virtual void verifyAnalysis () const
 verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information. More...
 
virtual void dumpPassStructure (unsigned Offset=0)
 
template<typename AnalysisType >
AnalysisType * getAnalysisIfAvailable () const
 getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it. More...
 
bool mustPreserveAnalysisID (char &AID) const
 mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID. More...
 
template<typename AnalysisType >
AnalysisType & getAnalysis () const
 getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function. More...
 
template<typename AnalysisType >
AnalysisType & getAnalysis (Function &F)
 getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function. More...
 
template<typename AnalysisType >
AnalysisType & getAnalysisID (AnalysisID PI) const
 
template<typename AnalysisType >
AnalysisType & getAnalysisID (AnalysisID PI, Function &F)
 

Static Public Member Functions

static const chargetRegisterName (unsigned RegNo)
 
- Static Public Member Functions inherited from llvm::Pass
static const PassInfolookupPassInfo (const void *TI)
 
static const PassInfolookupPassInfo (StringRef Arg)
 
static PasscreatePass (AnalysisID ID)
 

Additional Inherited Members

- Public Types inherited from llvm::AsmPrinter
enum  SledKind : uint8_t {
  SledKind::FUNCTION_ENTER = 0, SledKind::FUNCTION_EXIT = 1, SledKind::TAIL_CALL = 2, SledKind::LOG_ARGS_ENTER = 3,
  SledKind::CUSTOM_EVENT = 4
}
 
enum  CFIMoveType { CFI_M_None, CFI_M_EH, CFI_M_Debug }
 
using GOTEquivUsePair = std::pair< const GlobalVariable *, unsigned >
 Map global GOT equivalent MCSymbols to GlobalVariables and keep track of its number of uses by other globals. More...
 
- Public Attributes inherited from llvm::AsmPrinter
TargetMachineTM
 Target machine description. More...
 
const MCAsmInfoMAI
 Target Asm Printer information. More...
 
MCContextOutContext
 This is the context for the output file that we are streaming. More...
 
std::unique_ptr< MCStreamerOutStreamer
 This is the MCStreamer object for the file we are generating. More...
 
const MachineFunctionMF = nullptr
 The current machine function. More...
 
MachineModuleInfoMMI = nullptr
 This is a pointer to the current MachineModuleInfo. More...
 
MachineOptimizationRemarkEmitterORE
 Optimization remark emitter. More...
 
MCSymbolCurrentFnSym = nullptr
 The symbol for the current function. More...
 
MCSymbolCurrentFnSymForSize = nullptr
 The symbol used to represent the start of the current function for the purpose of calculating its size (e.g. More...
 
MapVector< const MCSymbol *, GOTEquivUsePairGlobalGOTEquivs
 
bool EnablePrintSchedInfo = false
 Enable print [latency:throughput] in output. More...
 
SmallVector< XRayFunctionEntry, 4 > Sleds
 
unsigned XRayFnUniqueID = 0
 
- Protected Member Functions inherited from llvm::AsmPrinter
 AsmPrinter (TargetMachine &TM, std::unique_ptr< MCStreamer > Streamer)
 
- Protected Member Functions inherited from llvm::MachineFunctionPass
 MachineFunctionPass (char &ID)
 
void getAnalysisUsage (AnalysisUsage &AU) const override
 getAnalysisUsage - Subclasses that override getAnalysisUsage must call this. More...
 
virtual MachineFunctionProperties getRequiredProperties () const
 
virtual MachineFunctionProperties getSetProperties () const
 
virtual MachineFunctionProperties getClearedProperties () const
 
- Protected Member Functions inherited from llvm::FunctionPass
bool skipFunction (const Function &F) const
 Optional passes call this function to check whether the pass should be skipped. More...
 

Detailed Description

Definition at line 30 of file HexagonAsmPrinter.h.

Constructor & Destructor Documentation

◆ HexagonAsmPrinter()

HexagonAsmPrinter::HexagonAsmPrinter ( TargetMachine TM,
std::unique_ptr< MCStreamer Streamer 
)
explicit

Definition at line 79 of file HexagonAsmPrinter.cpp.

Member Function Documentation

◆ EmitInstruction()

void HexagonAsmPrinter::EmitInstruction ( const MachineInstr MI)
overridevirtual

◆ getPassName()

StringRef llvm::HexagonAsmPrinter::getPassName ( ) const
inlineoverridevirtual

getPassName - Return a nice clean name for a pass.

This usually implemented in terms of the name that is registered by one of the Registration templates, but can be overloaded directly.

Reimplemented from llvm::Pass.

Definition at line 42 of file HexagonAsmPrinter.h.

References EmitInstruction(), getRegisterName(), HexagonProcessInstruction(), isBlockOnlyReachableByFallthrough(), MI, llvm::RISCVFenceField::O, PrintAsmMemoryOperand(), PrintAsmOperand(), and printOperand().

◆ getRegisterName()

static const char* llvm::HexagonAsmPrinter::getRegisterName ( unsigned  RegNo)
static

Referenced by getPassName().

◆ HexagonProcessInstruction()

void HexagonAsmPrinter::HexagonProcessInstruction ( MCInst Inst,
const MachineInstr MBB 
)

◆ isBlockOnlyReachableByFallthrough()

bool HexagonAsmPrinter::isBlockOnlyReachableByFallthrough ( const MachineBasicBlock MBB) const
overridevirtual

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.

isBlockOnlyReachableByFallthough - 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.

Reimplemented from llvm::AsmPrinter.

Definition at line 116 of file HexagonAsmPrinter.cpp.

References llvm::MachineBasicBlock::hasAddressTaken(), and llvm::AsmPrinter::isBlockOnlyReachableByFallthrough().

Referenced by getPassName(), and printOperand().

◆ PrintAsmMemoryOperand()

bool HexagonAsmPrinter::PrintAsmMemoryOperand ( const MachineInstr MI,
unsigned  OpNo,
unsigned  AsmVariant,
const char ExtraCode,
raw_ostream OS 
)
overridevirtual

Print the specified operand of MI, an INLINEASM instruction, using the specified assembler variant as an address.

Targets should override this to format as appropriate. This method can return true if the operand is erroneous.

Reimplemented from llvm::AsmPrinter.

Definition at line 169 of file HexagonAsmPrinter.cpp.

References llvm::MachineOperand::getImm(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::isImm(), llvm::MachineOperand::isReg(), llvm_unreachable, and printOperand().

Referenced by getPassName().

◆ PrintAsmOperand()

bool HexagonAsmPrinter::PrintAsmOperand ( const MachineInstr MI,
unsigned  OpNo,
unsigned  AsmVariant,
const char ExtraCode,
raw_ostream OS 
)
overridevirtual

◆ printOperand()

void HexagonAsmPrinter::printOperand ( const MachineInstr MI,
unsigned  OpNo,
raw_ostream O 
)

◆ runOnMachineFunction()

bool llvm::HexagonAsmPrinter::runOnMachineFunction ( MachineFunction MF)
inlineoverridevirtual

Emit the specified function out to the OutStreamer.

Reimplemented from llvm::AsmPrinter.

Definition at line 37 of file HexagonAsmPrinter.h.

References llvm::MachineFunction::getSubtarget(), and llvm::AsmPrinter::runOnMachineFunction().


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