llvm::MIRParserImpl Class Reference

This class implements the parsing of LLVM IR that's embedded inside a MIR file. More...

Classes
struct	VarExprLoc

Public Member Functions
	MIRParserImpl (std::unique_ptr< MemoryBuffer > Contents, StringRef Filename, LLVMContext &Context, std::function< void(Function &)> ProcessIRFunction)
void	reportDiagnostic (const SMDiagnostic &Diag)
bool	error (const Twine &Message)
	Report an error with the given message at unknown location.
bool	error (SMLoc Loc, const Twine &Message)
	Report an error with the given message at the given location.
bool	error (const SMDiagnostic &Error, SMRange SourceRange)
	Report a given error with the location translated from the location in an embedded string literal to a location in the MIR file.
std::unique_ptr< Module >	parseIRModule (DataLayoutCallbackTy DataLayoutCallback)
	Try to parse the optional LLVM module and the machine functions in the MIR file.
Function *	createDummyFunction (StringRef Name, Module &M)
	Create an empty function with the given name.
bool	parseMachineFunctions (Module &M, MachineModuleInfo &MMI, ModuleAnalysisManager *FAM=nullptr)
bool	parseMachineFunction (Module &M, MachineModuleInfo &MMI, ModuleAnalysisManager *FAM)
	Parse the machine function in the current YAML document.
bool	initializeMachineFunction (const yaml::MachineFunction &YamlMF, MachineFunction &MF)
	Initialize the machine function to the state that's described in the MIR file.
bool	parseRegisterInfo (PerFunctionMIParsingState &PFS, const yaml::MachineFunction &YamlMF)
bool	setupRegisterInfo (const PerFunctionMIParsingState &PFS, const yaml::MachineFunction &YamlMF)
bool	initializeFrameInfo (PerFunctionMIParsingState &PFS, const yaml::MachineFunction &YamlMF)
bool	initializeCallSiteInfo (PerFunctionMIParsingState &PFS, const yaml::MachineFunction &YamlMF)
bool	parseCalleeSavedRegister (PerFunctionMIParsingState &PFS, std::vector< CalleeSavedInfo > &CSIInfo, const yaml::StringValue &RegisterSource, bool IsRestored, int FrameIdx)
std::optional< VarExprLoc >	parseVarExprLoc (PerFunctionMIParsingState &PFS, const yaml::StringValue &VarStr, const yaml::StringValue &ExprStr, const yaml::StringValue &LocStr)
template<typename T >
bool	parseStackObjectsDebugInfo (PerFunctionMIParsingState &PFS, const T &Object, int FrameIdx)
bool	initializeConstantPool (PerFunctionMIParsingState &PFS, MachineConstantPool &ConstantPool, const yaml::MachineFunction &YamlMF)
bool	initializeJumpTableInfo (PerFunctionMIParsingState &PFS, const yaml::MachineJumpTable &YamlJTI)
bool	parseMachineMetadataNodes (PerFunctionMIParsingState &PFS, MachineFunction &MF, const yaml::MachineFunction &YMF)

Detailed Description

This class implements the parsing of LLVM IR that's embedded inside a MIR file.

Definition at line 51 of file MIRParser.cpp.

Constructor & Destructor Documentation

MIRParserImpl()

MIRParserImpl::MIRParserImpl	(	std::unique_ptr< MemoryBuffer >	Contents,
		StringRef	Filename,
		LLVMContext &	Context,
		std::function< void(Function &)>	ProcessIRFunction
	)

Definition at line 193 of file MIRParser.cpp.

Member Function Documentation

createDummyFunction()

Function * MIRParserImpl::createDummyFunction	(	StringRef	Name,
		Module &	M
	)

Create an empty function with the given name.

Definition at line 296 of file MIRParser.cpp.

References llvm::Function::Create(), llvm::BasicBlock::Create(), llvm::GlobalValue::ExternalLinkage, F, llvm::FunctionType::get(), llvm::Type::getVoidTy(), and Name.

Referenced by parseMachineFunction().

error() [1/3]

bool MIRParserImpl::error	(	const SMDiagnostic &	Error,
		SMRange	SourceRange
	)

Report a given error with the location translated from the location in an embedded string literal to a location in the MIR file.

Always returns true.

Definition at line 216 of file MIRParser.cpp.

References assert(), llvm::SourceMgr::DK_Error, and reportDiagnostic().

error() [2/3]

bool MIRParserImpl::error

(

const Twine &

Message

)

Report an error with the given message at unknown location.

Always returns true.

Definition at line 204 of file MIRParser.cpp.

References llvm::LLVMContext::diagnose(), llvm::SourceMgr::DK_Error, llvm::DS_Error, and llvm::Twine::str().

Referenced by typecheckMDNode().

error() [3/3]

bool MIRParserImpl::error	(	SMLoc	Loc,
		const Twine &	Message
	)

Report an error with the given message at the given location.

Always returns true.

Definition at line 210 of file MIRParser.cpp.

References llvm::LLVMContext::diagnose(), llvm::SourceMgr::DK_Error, llvm::DS_Error, and llvm::SourceMgr::GetMessage().

initializeCallSiteInfo()

bool MIRParserImpl::initializeCallSiteInfo	(	PerFunctionMIParsingState &	PFS,
		const yaml::MachineFunction &	YamlMF
	)

Definition at line 418 of file MIRParser.cpp.

References llvm::MachineFunction::addCallSiteInfo(), llvm::MachineFunction::CallSiteInfo::ArgRegPairs, llvm::MachineFunction::begin(), llvm::yaml::CallSiteInfo::MachineInstrLoc::BlockNum, llvm::yaml::MachineFunction::CallSitesInfo, error, llvm::MachineFunction::getName(), llvm::MachineFunction::getTarget(), llvm::MachineInstr::IgnoreBundle, llvm::PerFunctionMIParsingState::MF, llvm::yaml::CallSiteInfo::MachineInstrLoc::Offset, llvm::parseNamedRegisterReference(), and llvm::MachineFunction::size().

Referenced by initializeMachineFunction().

initializeConstantPool()

bool MIRParserImpl::initializeConstantPool	(	PerFunctionMIParsingState &	PFS,
		MachineConstantPool &	ConstantPool,
		const yaml::MachineFunction &	YamlMF
	)

Definition at line 982 of file MIRParser.cpp.

References llvm::PerFunctionMIParsingState::ConstantPoolSlots, llvm::yaml::MachineFunction::Constants, error, llvm::MachineFunction::getFunction(), llvm::GlobalValue::getParent(), llvm::Value::getType(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::PerFunctionMIParsingState::MF, and llvm::parseConstantValue().

Referenced by initializeMachineFunction().

initializeFrameInfo()

bool MIRParserImpl::initializeFrameInfo	(	PerFunctionMIParsingState &	PFS,
		const yaml::MachineFunction &	YamlMF
	)

Definition at line 758 of file MIRParser.cpp.

References llvm::yaml::MachineFrameInfo::AdjustsStack, llvm::MachineFrameInfo::CreateFixedObject(), llvm::MachineFrameInfo::CreateFixedSpillStackObject(), llvm::MachineFrameInfo::CreateStackObject(), llvm::MachineFrameInfo::CreateVariableSizedObject(), llvm::yaml::MachineFrameInfo::CVBytesOfCalleeSavedRegisters, llvm::MachineFrameInfo::ensureMaxAlignment(), llvm::yaml::MachineFunction::EntryValueObjects, error, F, llvm::yaml::MachineFunction::FixedStackObjects, llvm::PerFunctionMIParsingState::FixedStackObjectSlots, llvm::yaml::MachineFunction::FrameInfo, llvm::yaml::MachineFrameInfo::FunctionContext, llvm::MachineFunction::getFrameInfo(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::yaml::MachineFrameInfo::HasCalls, llvm::yaml::MachineFrameInfo::HasMustTailInVarArgFunc, llvm::yaml::MachineFrameInfo::HasOpaqueSPAdjustment, llvm::yaml::MachineFrameInfo::HasPatchPoint, llvm::yaml::MachineFrameInfo::HasStackMap, llvm::yaml::MachineFrameInfo::HasTailCall, llvm::yaml::MachineFrameInfo::HasVAStart, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::yaml::MachineFrameInfo::IsCalleeSavedInfoValid, llvm::yaml::MachineFrameInfo::IsFrameAddressTaken, llvm::yaml::MachineFrameInfo::IsReturnAddressTaken, llvm::TargetFrameLowering::isSupportedStackID(), llvm::yaml::MachineFrameInfo::LocalFrameSize, llvm::MachineFrameInfo::mapLocalFrameObject(), llvm::yaml::MachineFrameInfo::MaxAlignment, llvm::yaml::MachineFrameInfo::MaxCallFrameSize, MBB, llvm::PerFunctionMIParsingState::MF, Name, llvm::yaml::MachineFrameInfo::OffsetAdjustment, parseCalleeSavedRegister(), llvm::parseNamedRegisterReference(), llvm::parseStackObjectReference(), parseStackObjectsDebugInfo(), parseVarExprLoc(), llvm::yaml::MachineFrameInfo::RestorePoint, llvm::yaml::MachineFrameInfo::SavePoint, llvm::MachineFrameInfo::setAdjustsStack(), llvm::MachineFrameInfo::setCalleeSavedInfo(), llvm::MachineFrameInfo::setCalleeSavedInfoValid(), llvm::MachineFrameInfo::setCVBytesOfCalleeSavedRegisters(), llvm::MachineFrameInfo::setFrameAddressIsTaken(), llvm::MachineFrameInfo::setFunctionContextIndex(), llvm::MachineFrameInfo::setHasCalls(), llvm::MachineFrameInfo::setHasMustTailInVarArgFunc(), llvm::MachineFrameInfo::setHasOpaqueSPAdjustment(), llvm::MachineFrameInfo::setHasPatchPoint(), llvm::MachineFrameInfo::setHasStackMap(), llvm::MachineFrameInfo::setHasTailCall(), llvm::MachineFrameInfo::setHasVAStart(), llvm::MachineFrameInfo::setLocalFrameSize(), llvm::MachineFrameInfo::setMaxCallFrameSize(), llvm::MachineFrameInfo::setObjectAlignment(), llvm::MachineFrameInfo::setObjectOffset(), llvm::MachineFrameInfo::setOffsetAdjustment(), llvm::MachineFrameInfo::setRestorePoint(), llvm::MachineFrameInfo::setReturnAddressIsTaken(), llvm::MachineFrameInfo::setSavePoint(), llvm::MachineFrameInfo::setStackID(), llvm::MachineFrameInfo::setStackProtectorIndex(), llvm::MachineFrameInfo::setStackSize(), llvm::MachineFunction::setVariableDbgInfo(), llvm::yaml::StringValue::SourceRange, llvm::yaml::MachineStackObject::SpillSlot, llvm::yaml::FixedMachineStackObject::SpillSlot, llvm::yaml::MachineFunction::StackObjects, llvm::PerFunctionMIParsingState::StackObjectSlots, llvm::yaml::MachineFrameInfo::StackProtector, llvm::yaml::MachineFrameInfo::StackSize, llvm::yaml::StringValue::Value, and llvm::yaml::MachineStackObject::VariableSized.

Referenced by initializeMachineFunction().

initializeJumpTableInfo()

bool MIRParserImpl::initializeJumpTableInfo	(	PerFunctionMIParsingState &	PFS,
		const yaml::MachineJumpTable &	YamlJTI
	)

Definition at line 1010 of file MIRParser.cpp.

References Blocks, llvm::MachineJumpTableInfo::createJumpTableIndex(), llvm::yaml::MachineJumpTable::Entries, error, llvm::MachineFunction::getOrCreateJumpTableInfo(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), llvm::PerFunctionMIParsingState::JumpTableSlots, llvm::yaml::MachineJumpTable::Kind, MBB, and llvm::PerFunctionMIParsingState::MF.

Referenced by initializeMachineFunction().

initializeMachineFunction()

bool MIRParserImpl::initializeMachineFunction	(	const yaml::MachineFunction &	YamlMF,
		MachineFunction &	MF
	)

Initialize the machine function to the state that's described in the MIR file.

Return true if error occurred.

Definition at line 480 of file MIRParser.cpp.

References llvm::SourceMgr::AddNewSourceBuffer(), llvm::yaml::MachineFunction::Alignment, assert(), llvm::MachineFunction::assignBeginEndSections(), llvm::yaml::MachineFunction::Body, llvm::yaml::MachineFunction::CallsEHReturn, llvm::yaml::MachineFunction::CallsUnwindInit, llvm::yaml::MachineFunction::Constants, llvm::yaml::MachineJumpTable::Entries, error, llvm::yaml::MachineFunction::ExposesReturnsTwice, llvm::MachineFunctionProperties::FailedISel, llvm::yaml::MachineFunction::FailedISel, llvm::MachineFunctionProperties::FailsVerification, llvm::yaml::MachineFunction::FailsVerification, llvm::TargetMachine::getBBSectionsType(), llvm::MachineFunction::getConstantPool(), llvm::MemoryBuffer::getMemBuffer(), llvm::MachineFunction::getProperties(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::MachineFunction::hasBBSections(), llvm::yaml::MachineFunction::HasEHCatchret, llvm::yaml::MachineFunction::HasEHFunclets, llvm::yaml::MachineFunction::HasEHScopes, llvm::yaml::MachineFunction::HasWinCFI, initializeCallSiteInfo(), initializeConstantPool(), initializeFrameInfo(), initializeJumpTableInfo(), llvm::yaml::MachineFunction::IsOutlined, llvm::yaml::MachineFunction::JumpTableInfo, llvm::Labels, llvm::MachineFunctionProperties::Legalized, llvm::yaml::MachineFunction::Legalized, llvm::yaml::MachineFunction::MachineFuncInfo, llvm::yaml::MachineFunction::MachineMetadataNodes, llvm::TargetSubtargetInfo::mirFileLoaded(), MRI, llvm::parseMachineBasicBlockDefinitions(), llvm::parseMachineInstructions(), parseMachineMetadataNodes(), parseRegisterInfo(), llvm::MachineFunctionProperties::RegBankSelected, llvm::yaml::MachineFunction::RegBankSelected, reportDiagnostic(), llvm::MachineFunctionProperties::Selected, llvm::yaml::MachineFunction::Selected, llvm::MachineFunctionProperties::set(), llvm::MachineFunction::setAlignment(), llvm::MachineFunction::setBBSectionsType(), llvm::MachineFunction::setCallsEHReturn(), llvm::MachineFunction::setCallsUnwindInit(), llvm::MachineFunction::setExposesReturnsTwice(), llvm::MachineFunction::setHasEHCatchret(), llvm::MachineFunction::setHasEHFunclets(), llvm::MachineFunction::setHasEHScopes(), llvm::MachineFunction::setHasWinCFI(), llvm::MachineFunction::setIsOutlined(), setupRegisterInfo(), llvm::PerFunctionMIParsingState::SM, llvm::yaml::StringValue::SourceRange, llvm::MachineFunctionProperties::TracksDebugUserValues, llvm::yaml::MachineFunction::TracksDebugUserValues, llvm::yaml::StringValue::Value, llvm::yaml::BlockStringValue::Value, llvm::MaybeAlign::valueOrOne(), and llvm::MachineFunction::verify().

Referenced by parseMachineFunction().

parseCalleeSavedRegister()

bool MIRParserImpl::parseCalleeSavedRegister	(	PerFunctionMIParsingState &	PFS,
		std::vector< CalleeSavedInfo > &	CSIInfo,
		const yaml::StringValue &	RegisterSource,
		bool	IsRestored,
		int	FrameIdx
	)

Definition at line 908 of file MIRParser.cpp.

References error, llvm::parseNamedRegisterReference(), llvm::CalleeSavedInfo::setRestored(), llvm::yaml::StringValue::SourceRange, and llvm::yaml::StringValue::Value.

Referenced by initializeFrameInfo().

parseIRModule()

std::unique_ptr< Module > MIRParserImpl::parseIRModule

(

DataLayoutCallbackTy

DataLayoutCallback

)

Try to parse the optional LLVM module and the machine functions in the MIR file.

Return null if an error occurred.

Definition at line 242 of file MIRParser.cpp.

References llvm::parseAssembly(), and reportDiagnostic().

parseMachineFunction()

bool MIRParserImpl::parseMachineFunction	(	Module &	M,
		MachineModuleInfo &	MMI,
		ModuleAnalysisManager *	FAM
	)

Parse the machine function in the current YAML document.

Return true if an error occurred.

Definition at line 310 of file MIRParser.cpp.

References createDummyFunction(), error, F, FAM, llvm::AnalysisManager< IRUnitT, ExtraArgTs >::getCachedResult(), llvm::MachineModuleInfo::getMachineFunction(), llvm::MachineModuleInfo::getOrCreateMachineFunction(), llvm::AnalysisManager< IRUnitT, ExtraArgTs >::getResult(), llvm::MachineModuleInfo::getTarget(), initializeMachineFunction(), llvm::yaml::MachineFunction::MachineFuncInfo, MAM, and llvm::yaml::MachineFunction::Name.

Referenced by parseMachineFunctions().

parseMachineFunctions()

bool MIRParserImpl::parseMachineFunctions	(	Module &	M,
		MachineModuleInfo &	MMI,
		ModuleAnalysisManager *	FAM = nullptr
	)

Definition at line 281 of file MIRParser.cpp.

References MAM, and parseMachineFunction().

parseMachineMetadataNodes()

bool MIRParserImpl::parseMachineMetadataNodes	(	PerFunctionMIParsingState &	PFS,
		MachineFunction &	MF,
		const yaml::MachineFunction &	YMF
	)

Definition at line 1048 of file MIRParser.cpp.

References error, llvm::PerFunctionMIParsingState::MachineForwardRefMDNodes, and llvm::yaml::MachineFunction::MachineMetadataNodes.

Referenced by initializeMachineFunction().

parseRegisterInfo()

bool MIRParserImpl::parseRegisterInfo	(	PerFunctionMIParsingState &	PFS,
		const yaml::MachineFunction &	YamlMF
	)

Definition at line 611 of file MIRParser.cpp.

References llvm::MachineRegisterInfo::addLiveIn(), assert(), llvm::yaml::MachineFunction::CalleeSavedRegisters, error, llvm::VRegInfo::GENERIC, llvm::MachineFunction::getRegInfo(), llvm::PerFunctionMIParsingState::getVRegInfo(), Info, llvm::MachineRegisterInfo::invalidateLiveness(), llvm::yaml::MachineFunction::LiveIns, llvm::PerFunctionMIParsingState::MF, llvm::VRegInfo::NORMAL, llvm::parseNamedRegisterReference(), llvm::parseRegisterReference(), llvm::parseVirtualRegisterReference(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::VRegInfo::REGBANK, llvm::MachineRegisterInfo::setCalleeSavedRegs(), llvm::MachineRegisterInfo::tracksLiveness(), llvm::yaml::MachineFunction::TracksRegLiveness, and llvm::yaml::MachineFunction::VirtualRegisters.

Referenced by initializeMachineFunction().

parseStackObjectsDebugInfo()

template<typename T >

bool MIRParserImpl::parseStackObjectsDebugInfo	(	PerFunctionMIParsingState &	PFS,
		const T &	Object,
		int	FrameIdx
	)

Definition at line 958 of file MIRParser.cpp.

References llvm::PerFunctionMIParsingState::MF, parseVarExprLoc(), and llvm::MachineFunction::setVariableDbgInfo().

Referenced by initializeFrameInfo().

parseVarExprLoc()

std::optional< MIRParserImpl::VarExprLoc > MIRParserImpl::parseVarExprLoc	(	PerFunctionMIParsingState &	PFS,
		const yaml::StringValue &	VarStr,
		const yaml::StringValue &	ExprStr,
		const yaml::StringValue &	LocStr
	)

Definition at line 938 of file MIRParser.cpp.

References typecheckMDNode().

Referenced by initializeFrameInfo(), and parseStackObjectsDebugInfo().

reportDiagnostic()

void MIRParserImpl::reportDiagnostic

(

const SMDiagnostic &

Diag

)

Definition at line 222 of file MIRParser.cpp.

References llvm::LLVMContext::diagnose(), llvm::SourceMgr::DK_Error, llvm::SourceMgr::DK_Note, llvm::SourceMgr::DK_Remark, llvm::SourceMgr::DK_Warning, llvm::DS_Error, llvm::DS_Note, llvm::DS_Warning, llvm::SMDiagnostic::getKind(), and llvm_unreachable.

Referenced by error(), initializeMachineFunction(), and parseIRModule().

setupRegisterInfo()

bool MIRParserImpl::setupRegisterInfo	(	const PerFunctionMIParsingState &	PFS,
		const yaml::MachineFunction &	YamlMF
	)

Definition at line 692 of file MIRParser.cpp.

References error, llvm::VRegInfo::GENERIC, llvm::MachineFunction::getName(), llvm::MachineFunction::getRegInfo(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::MachineOperand::getRegMask(), llvm::MachineFunction::getSubtarget(), Info, llvm::MachineBasicBlock::isEHPad(), llvm::MachineOperand::isRegMask(), MBB, llvm::PerFunctionMIParsingState::MF, MI, MRI, Name, llvm::VRegInfo::NORMAL, P, llvm::VRegInfo::REGBANK, TRI, llvm::VRegInfo::UNKNOWN, llvm::PerFunctionMIParsingState::VRegInfos, and llvm::PerFunctionMIParsingState::VRegInfosNamed.

Referenced by initializeMachineFunction().

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

• lib/CodeGen/MIRParser/MIRParser.cpp