LLVM  16.0.0git
Classes | Functions
llvm::X86_MC Namespace Reference

Classes

class  X86MCInstrAnalysis
 

Functions

static std::vector< std::pair< uint64_t, uint64_t > > findX86PltEntries (uint64_t PltSectionVA, ArrayRef< uint8_t > PltContents, uint64_t GotPltSectionVA)
 
static std::vector< std::pair< uint64_t, uint64_t > > findX86_64PltEntries (uint64_t PltSectionVA, ArrayRef< uint8_t > PltContents)
 
std::string ParseX86Triple (const Triple &TT)
 
unsigned getDwarfRegFlavour (const Triple &TT, bool isEH)
 
void initLLVMToSEHAndCVRegMapping (MCRegisterInfo *MRI)
 
bool hasLockPrefix (const MCInst &MI)
 Returns true if this instruction has a LOCK prefix. More...
 
bool is16BitMemOperand (const MCInst &MI, unsigned Op, const MCSubtargetInfo &STI)
 
bool is32BitMemOperand (const MCInst &MI, unsigned Op)
 
bool is64BitMemOperand (const MCInst &MI, unsigned Op)
 
bool needsAddressSizeOverride (const MCInst &MI, const MCSubtargetInfo &STI, int MemoryOperand, uint64_t TSFlags)
 Returns true if this instruction needs an Address-Size override prefix. More...
 
MCSubtargetInfocreateX86MCSubtargetInfo (const Triple &TT, StringRef CPU, StringRef FS)
 Create a X86 MCSubtargetInfo instance. More...
 

Function Documentation

◆ createX86MCSubtargetInfo()

MCSubtargetInfo * llvm::X86_MC::createX86MCSubtargetInfo ( const Triple TT,
StringRef  CPU,
StringRef  FS 
)

Create a X86 MCSubtargetInfo instance.

This is exposed so Asm parser, etc. do not need to go through TargetRegistry.

Definition at line 390 of file X86MCTargetDesc.cpp.

References assert(), llvm::StringRef::empty(), llvm::X86AS::FS, and ParseX86Triple().

Referenced by LLVMInitializeX86TargetMC().

◆ findX86_64PltEntries()

static std::vector<std::pair<uint64_t, uint64_t> > llvm::X86_MC::findX86_64PltEntries ( uint64_t  PltSectionVA,
ArrayRef< uint8_t >  PltContents 
)
static

◆ findX86PltEntries()

static std::vector<std::pair<uint64_t, uint64_t> > llvm::X86_MC::findX86PltEntries ( uint64_t  PltSectionVA,
ArrayRef< uint8_t >  PltContents,
uint64_t  GotPltSectionVA 
)
static

◆ getDwarfRegFlavour()

unsigned llvm::X86_MC::getDwarfRegFlavour ( const Triple TT,
bool  isEH 
)

◆ hasLockPrefix()

bool llvm::X86_MC::hasLockPrefix ( const MCInst MI)

Returns true if this instruction has a LOCK prefix.

Definition at line 73 of file X86MCTargetDesc.cpp.

References llvm::X86::IP_HAS_LOCK, and MI.

◆ initLLVMToSEHAndCVRegMapping()

void llvm::X86_MC::initLLVMToSEHAndCVRegMapping ( MCRegisterInfo MRI)

◆ is16BitMemOperand()

bool llvm::X86_MC::is16BitMemOperand ( const MCInst MI,
unsigned  Op,
const MCSubtargetInfo STI 
)
Parameters
Opoperand # of the memory operand.
Returns
true if the specified instruction has a 16-bit memory operand.

Definition at line 86 of file X86MCTargetDesc.cpp.

References llvm::X86::AddrBaseReg, llvm::X86::AddrIndexReg, llvm::sampleprof::Base, llvm::MCSubtargetInfo::hasFeature(), isMemOperand(), and MI.

Referenced by needsAddressSizeOverride().

◆ is32BitMemOperand()

bool llvm::X86_MC::is32BitMemOperand ( const MCInst MI,
unsigned  Op 
)
Parameters
Opoperand # of the memory operand.
Returns
true if the specified instruction has a 32-bit memory operand.

Definition at line 97 of file X86MCTargetDesc.cpp.

References llvm::X86::AddrBaseReg, llvm::X86::AddrIndexReg, assert(), llvm::sampleprof::Base, isMemOperand(), and MI.

Referenced by needsAddressSizeOverride().

◆ is64BitMemOperand()

bool llvm::X86_MC::is64BitMemOperand ( const MCInst MI,
unsigned  Op 
)
Parameters
Opoperand # of the memory operand.
Returns
true if the specified instruction has a 64-bit memory operand.

Definition at line 110 of file X86MCTargetDesc.cpp.

References isMemOperand(), and MI.

Referenced by needsAddressSizeOverride().

◆ needsAddressSizeOverride()

bool llvm::X86_MC::needsAddressSizeOverride ( const MCInst MI,
const MCSubtargetInfo STI,
int  MemoryOperand,
uint64_t  TSFlags 
)

◆ ParseX86Triple()

std::string llvm::X86_MC::ParseX86Triple ( const Triple TT)

Definition at line 47 of file X86MCTargetDesc.cpp.

References llvm::Triple::CODE16, and llvm::X86AS::FS.

Referenced by createX86MCSubtargetInfo().