ARMAsmParser.cpp File Reference

#include "ARMFeatures.h"
#include "ARMBaseInstrInfo.h"
#include "Utils/ARMBaseInfo.h"
#include "MCTargetDesc/ARMAddressingModes.h"
#include "MCTargetDesc/ARMBaseInfo.h"
#include "MCTargetDesc/ARMInstPrinter.h"
#include "MCTargetDesc/ARMMCExpr.h"
#include "MCTargetDesc/ARMMCTargetDesc.h"
#include "TargetInfo/ARMTargetInfo.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCAsmParserExtension.h"
#include "llvm/MC/MCParser/MCAsmParserUtils.h"
#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
#include "llvm/MC/MCParser/MCTargetAsmParser.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/ARMBuildAttributes.h"
#include "llvm/Support/ARMEHABI.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/SMLoc.h"
#include "llvm/Support/TargetParser.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <limits>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "ARMGenAsmMatcher.inc"

Go to the source code of this file.

Namespaces
	llvm
	This class represents lattice values for constants.

Macros
#define	DEBUG_TYPE   "asm-parser"
#define	GET_OPERAND_DIAGNOSTIC_TYPES
Auto-generated Match Functions
{
#define	GET_ASSEMBLER_HEADER

Enumerations
enum	ImplicitItModeTy
enum	VectorLaneTy

Functions
template<>
bool	llvm::IsCPSRDead< MCInst > (const MCInst *Instr)

Variables
const MCInstrDesc	llvm::ARMInsts []

Auto-generated Match Functions
{
#define	GET_REGISTER_MATCHER
#define	GET_SUBTARGET_FEATURE_NAME
#define	GET_MATCHER_IMPLEMENTATION
#define	GET_MNEMONIC_SPELL_CHECKER
static unsigned	MatchRegisterName (StringRef Name)
static int	MatchCoprocessorOperandName (StringRef Name, char CoprocOp)
	MatchCoprocessorOperandName - Try to parse an coprocessor related instruction with a symbolic operand name. More...
static unsigned	getNextRegister (unsigned Reg)
static bool	insertNoDuplicates (SmallVectorImpl< std::pair< unsigned, unsigned >> &Regs, unsigned Enc, unsigned Reg)
static bool	isDataTypeToken (StringRef Tok)
static bool	doesIgnoreDataTypeSuffix (StringRef Mnemonic, StringRef DT)
static void	applyMnemonicAliases (StringRef &Mnemonic, const FeatureBitset &Features, unsigned VariantID)
static bool	checkLowRegisterList (const MCInst &Inst, unsigned OpNo, unsigned Reg, unsigned HiReg, bool &containsReg)
static bool	listContainsReg (const MCInst &Inst, unsigned OpNo, unsigned Reg)
static bool	instIsBreakpoint (const MCInst &Inst)
static int	findFirstVectorPredOperandIdx (const MCInstrDesc &MCID)
static bool	isVectorPredicable (const MCInstrDesc &MCID)
static unsigned	getRealVSTOpcode (unsigned Opc, unsigned &Spacing)
static unsigned	getRealVLDOpcode (unsigned Opc, unsigned &Spacing)
static std::string	ARMMnemonicSpellCheck (StringRef S, const FeatureBitset &FBS, unsigned VariantID=0)
static const char *	getSubtargetFeatureName (uint64_t Val)
void	LLVMInitializeARMAsmParser ()
	Force static initialization. More...

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "asm-parser"

Definition at line 69 of file ARMAsmParser.cpp.

GET_ASSEMBLER_HEADER

#define GET_ASSEMBLER_HEADER

Definition at line 543 of file ARMAsmParser.cpp.

GET_MATCHER_IMPLEMENTATION

#define GET_MATCHER_IMPLEMENTATION

Definition at line 11514 of file ARMAsmParser.cpp.

GET_MNEMONIC_SPELL_CHECKER

#define GET_MNEMONIC_SPELL_CHECKER

Definition at line 11515 of file ARMAsmParser.cpp.

GET_OPERAND_DIAGNOSTIC_TYPES

#define GET_OPERAND_DIAGNOSTIC_TYPES

Definition at line 601 of file ARMAsmParser.cpp.

GET_REGISTER_MATCHER

#define GET_REGISTER_MATCHER

Definition at line 11512 of file ARMAsmParser.cpp.

GET_SUBTARGET_FEATURE_NAME

#define GET_SUBTARGET_FEATURE_NAME

Definition at line 11513 of file ARMAsmParser.cpp.

Enumeration Type Documentation

ImplicitItModeTy

enum ImplicitItModeTy

strong

Definition at line 79 of file ARMAsmParser.cpp.

VectorLaneTy

enum VectorLaneTy

Definition at line 96 of file ARMAsmParser.cpp.

Function Documentation

applyMnemonicAliases()

static void applyMnemonicAliases ( StringRef &  Mnemonic, const FeatureBitset &  Features, unsigned  VariantID  )

static

Referenced by doesIgnoreDataTypeSuffix().

ARMMnemonicSpellCheck()

static std::string ARMMnemonicSpellCheck ( StringRef  S, const FeatureBitset &  FBS, unsigned  VariantID = 0  )

static

Referenced by llvm::IsCPSRDead< MCInst >().

checkLowRegisterList()

static bool checkLowRegisterList ( const MCInst &  Inst, unsigned  OpNo, unsigned  Reg, unsigned  HiReg, bool &  containsReg  )

static

Definition at line 7157 of file ARMAsmParser.cpp.

References llvm::MCInst::getNumOperands(), llvm::MCInst::getOperand(), llvm::MCOperand::getReg(), and llvm::isARMLowRegister().

Referenced by getRealVLDOpcode().

doesIgnoreDataTypeSuffix()

static bool doesIgnoreDataTypeSuffix ( StringRef  Mnemonic, StringRef  DT  )

static

Definition at line 6701 of file ARMAsmParser.cpp.

References applyMnemonicAliases(), llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::MCRegisterClass::contains(), llvm::AsmToken::getIdentifier(), llvm::MCRegisterClass::getRegister(), llvm::MCAsmParser::getTok(), llvm::GPR, llvm::AsmToken::Identifier, Info, llvm::SmallVectorImpl< T >::insert(), llvm::AsmToken::is(), isThumb(), MRI, llvm::SmallVectorBase::size(), and llvm::StringRef::startswith().

findFirstVectorPredOperandIdx()

static int findFirstVectorPredOperandIdx ( const MCInstrDesc &  MCID )

static

Definition at line 7290 of file ARMAsmParser.cpp.

References llvm::ARM::isVpred(), llvm::MCInstrDesc::NumOperands, llvm::MCOperandInfo::OperandType, and llvm::MCInstrDesc::OpInfo.

Referenced by isVectorPredicable().

getNextRegister()

static unsigned getNextRegister ( unsigned  Reg )

static

Definition at line 4252 of file ARMAsmParser.cpp.

References contains(), llvm_unreachable, R2, R4, and R6.

Referenced by insertNoDuplicates().

getRealVLDOpcode()

static unsigned getRealVLDOpcode ( unsigned  Opc, unsigned &  Spacing  )

static

Definition at line 8049 of file ARMAsmParser.cpp.

References llvm::MCInst::addOperand(), llvm::AArch64ISD::ADR, llvm::ARMCC::AL, llvm::ARM_AM::asr, assert(), llvm::MCInst::begin(), checkLowRegisterList(), llvm::MCConstantExpr::create(), llvm::MCSymbolRefExpr::create(), llvm::MCBinaryExpr::createAdd(), llvm::MCOperand::createExpr(), llvm::MCOperand::createImm(), llvm::MCOperand::createReg(), llvm::MCStreamer::EmitLabel(), llvm::ARMISD::FMSTAT, llvm::MCOperand::getExpr(), llvm::MCOperand::getImm(), llvm::MCInst::getNumOperands(), llvm::MCInst::getOpcode(), llvm::MCInst::getOperand(), getRealVSTOpcode(), llvm::MCOperand::getReg(), llvm::ARM_AM::getSOImmVal(), llvm::ARM_AM::getSORegOffset(), llvm::ARM_AM::getSORegOpc(), llvm::ARM_AM::getSORegShOp(), llvm::ARM_AM::getT2SOImmVal(), llvm::getToken(), llvm::MCInstrDesc::hasOptionalDef(), I, llvm::MCInst::insert(), llvm::isARMLowRegister(), llvm::MCOperand::isExpr(), llvm::MCOperand::isImm(), llvm::MCOperandInfo::isOptionalDef(), llvm::MCOperand::isReg(), isThumb(), llvm_unreachable, llvm::ARM_AM::lsl, llvm::ARM_AM::lsr, llvm::MCInstrDesc::NumOperands, llvm::MCInstrDesc::OpInfo, Reg, llvm::MCOperandInfo::RegClass, llvm::ARM_AM::ror, llvm::ARM_AM::rotr32(), llvm::ARM_AM::rrx, llvm::MCInst::setOpcode(), llvm::ARMII::ThumbArithFlagSetting, llvm::MCInstrDesc::TSFlags, and llvm::MCSymbolRefExpr::VK_None.

getRealVSTOpcode()

static unsigned getRealVSTOpcode ( unsigned  Opc, unsigned &  Spacing  )

static

Definition at line 7940 of file ARMAsmParser.cpp.

References llvm_unreachable.

Referenced by getRealVLDOpcode().

getSubtargetFeatureName()

static const char* getSubtargetFeatureName ( uint64_t  Val )

static

Referenced by llvm::IsCPSRDead< MCInst >().

insertNoDuplicates()

static bool insertNoDuplicates ( SmallVectorImpl< std::pair< unsigned, unsigned >> &  Regs, unsigned  Enc, unsigned  Reg  )

static

Definition at line 4274 of file ARMAsmParser.cpp.

References llvm::ARM_PROC::A, llvm::AsmToken::Caret, llvm::StringSwitch< T, R >::Case(), llvm::AsmToken::Comma, llvm::MCRegisterClass::contains(), contains(), llvm::ARM_TSB::CSYNC, llvm::StringSwitch< T, R >::Default(), llvm::AsmToken::Dollar, llvm::dyn_cast(), E, llvm::SmallVectorImpl< T >::emplace_back(), llvm::StringRef::equals_lower(), llvm::Error, llvm::ARM_PROC::F, llvm::AsmToken::getEndLoc(), llvm::MCRegisterClass::getID(), llvm::AsmToken::getIntVal(), llvm::AsmToken::getLoc(), getNextRegister(), llvm::ARMInstPrinter::getRegisterName(), llvm::AsmToken::getString(), llvm::MCAsmParser::getTok(), llvm::MCConstantExpr::getValue(), llvm::AsmToken::Hash, llvm::ARM_PROC::I, I, llvm::AsmToken::Identifier, llvm::AsmToken::Integer, llvm::AsmToken::is(), llvm::ARM_MB::ISH, llvm::ARM_MB::ISHLD, llvm::ARM_MB::ISHST, llvm::AsmToken::isNot(), llvm::AsmToken::LBrac, llvm::AsmToken::LCurly, llvm::ARM_MB::LD, llvm::MCAsmParser::Lex(), llvm::StringRef::lower(), llvm::BitmaskEnumDetail::Mask(), llvm::MatchOperand_NoMatch, llvm::MatchOperand_ParseFail, llvm::MatchOperand_Success, llvm::AsmToken::Minus, MRI, llvm::ARM_MB::NSH, llvm::ARM_MB::NSHLD, llvm::ARM_MB::NSHST, llvm::ARM_MB::OSH, llvm::ARM_MB::OSHLD, llvm::ARM_MB::OSHST, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::AsmToken::RBrac, llvm::AsmToken::RCurly, Reg, Registers, llvm::ARM_MB::RESERVED_0, llvm::ARM_ISB::RESERVED_0, llvm::StringRef::size(), llvm::StringRef::slice(), llvm::ARM_MB::ST, llvm::StringRef::substr(), std::swap(), llvm::ARM_MB::SY, llvm::ARM_ISB::SY, and llvm::Warning.

instIsBreakpoint()

static bool instIsBreakpoint ( const MCInst &  Inst )

static

Definition at line 7185 of file ARMAsmParser.cpp.

References llvm::Error, llvm::MCInst::getOpcode(), llvm::MCInst::getOperand(), llvm::MCOperand::getReg(), listContainsReg(), llvm::SPII::Load, and MRI.

Referenced by isVectorPredicable().

isDataTypeToken()

static bool isDataTypeToken ( StringRef  Tok )

static

Definition at line 6689 of file ARMAsmParser.cpp.

isVectorPredicable()

static bool isVectorPredicable ( const MCInstrDesc &  MCID )

static

Definition at line 7298 of file ARMAsmParser.cpp.

References llvm::Error, findFirstVectorPredOperandIdx(), llvm::MCInst::getOpcode(), instIsBreakpoint(), and llvm::MCInstrDesc::isPredicable().

listContainsReg()

static bool listContainsReg ( const MCInst &  Inst, unsigned  OpNo, unsigned  Reg  )

static

Definition at line 7174 of file ARMAsmParser.cpp.

References llvm::MCInst::getNumOperands(), llvm::MCInst::getOperand(), and llvm::MCOperand::getReg().

Referenced by instIsBreakpoint().

LLVMInitializeARMAsmParser()

void LLVMInitializeARMAsmParser

(

)

Force static initialization.

Definition at line 11505 of file ARMAsmParser.cpp.

References B, llvm::getTheARMBETarget(), llvm::getTheARMLETarget(), llvm::getTheThumbBETarget(), llvm::getTheThumbLETarget(), X, and Y.

MatchCoprocessorOperandName()

static int MatchCoprocessorOperandName ( StringRef  Name, char  CoprocOp  )

static

MatchCoprocessorOperandName - Try to parse an coprocessor related instruction with a symbolic operand name.

We accept "crN" syntax for GAS compatibility. <operand-name> ::= <prefix><number> If CoprocOp is 'c', then: <prefix> ::= c | cr If CoprocOp is 'p', then : <prefix> ::= p <number> ::= integer in range [0, 15]

Definition at line 4114 of file ARMAsmParser.cpp.

References llvm::ARMCondCodeFromString(), llvm::StringRef::drop_front(), llvm::dyn_cast(), E, llvm::Error, llvm::AsmToken::getEndLoc(), llvm::AsmToken::getLoc(), llvm::AsmToken::getString(), llvm::MCAsmParser::getTok(), llvm::MCConstantExpr::getValue(), llvm::AsmToken::Identifier, llvm::AsmToken::is(), llvm::AsmToken::isNot(), llvm::isValidCoprocessorNumber(), llvm::AsmToken::LCurly, llvm::MCAsmParser::Lex(), llvm::StringRef::lower(), llvm::MatchOperand_NoMatch, llvm::MatchOperand_ParseFail, llvm::MatchOperand_Success, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::AsmToken::RCurly, Reg, and llvm::StringRef::size().

MatchRegisterName()

static unsigned MatchRegisterName ( StringRef  Name )

static