llvm::MIRParserImpl Class Reference

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

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. More...
bool	error (SMLoc Loc, const Twine &Message)
	Report an error with the given message at the given location. More...
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. More...
std::unique_ptr< Module >	parseIRModule (DataLayoutCallbackTy DataLayoutCallback)
	Try to parse the optional LLVM module and the machine functions in the MIR file. More...
Function *	createDummyFunction (StringRef Name, Module &M)
	Create an empty function with the given name. More...
bool	parseMachineFunctions (Module &M, MachineModuleInfo &MMI)
bool	parseMachineFunction (Module &M, MachineModuleInfo &MMI)
	Parse the machine function in the current YAML document. More...
bool	initializeMachineFunction (const yaml::MachineFunction &YamlMF, MachineFunction &MF)
	Initialize the machine function to the state that's described in the MIR file. More...
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)
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)

Detailed Description

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

Definition at line 52 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 175 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 275 of file MIRParser.cpp.

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

Referenced by parseMachineFunction().

error() [1/3]

bool MIRParserImpl::error

(

const Twine &

Message

)

Report an error with the given message at unknown location.

Always returns true.

Definition at line 186 of file MIRParser.cpp.

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

Referenced by initializeCallSiteInfo(), initializeConstantPool(), initializeFrameInfo(), initializeMachineFunction(), parseCalleeSavedRegister(), parseMachineFunction(), parseRegisterInfo(), and setupRegisterInfo().

error() [2/3]

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 192 of file MIRParser.cpp.

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

error() [3/3]

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 198 of file MIRParser.cpp.

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

initializeCallSiteInfo()

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

Definition at line 367 of file MIRParser.cpp.

References llvm::MachineFunction::addCallArgsForwardingRegs(), llvm::MachineFunction::begin(), llvm::yaml::CallSiteInfo::MachineInstrLoc::BlockNum, llvm::yaml::MachineFunction::CallSitesInfo, llvm::SmallVectorImpl< T >::emplace_back(), llvm::Error, error(), llvm::MachineFunction::getName(), llvm::MachineFunction::getTarget(), llvm::MachineInstr::IgnoreBundle, llvm::PerFunctionMIParsingState::MF, llvm::move(), llvm::yaml::CallSiteInfo::MachineInstrLoc::Offset, llvm::parseNamedRegisterReference(), Reg, llvm::MachineFunction::size(), and llvm::SystemZISD::TM.

Referenced by initializeMachineFunction().

initializeConstantPool()

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

Definition at line 864 of file MIRParser.cpp.

References llvm::PerFunctionMIParsingState::ConstantPoolSlots, llvm::yaml::MachineFunction::Constants, llvm::Error, error(), llvm::MachineFunction::getFunction(), llvm::GlobalValue::getParent(), llvm::Value::getType(), Index, 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 680 of file MIRParser.cpp.

References llvm::yaml::MachineFrameInfo::AdjustsStack, Align, llvm::MachineFrameInfo::CreateFixedObject(), llvm::MachineFrameInfo::CreateFixedSpillStackObject(), llvm::MachineFrameInfo::CreateStackObject(), llvm::MachineFrameInfo::CreateVariableSizedObject(), llvm::yaml::MachineFrameInfo::CVBytesOfCalleeSavedRegisters, llvm::MachineFrameInfo::ensureMaxAlignment(), llvm::Error, error(), F(), llvm::yaml::MachineFunction::FixedStackObjects, llvm::PerFunctionMIParsingState::FixedStackObjectSlots, llvm::yaml::MachineFunction::FrameInfo, 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::HasVAStart, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::insert(), 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, llvm::Object, llvm::yaml::MachineFrameInfo::OffsetAdjustment, parseCalleeSavedRegister(), llvm::parseStackObjectReference(), parseStackObjectsDebugInfo(), 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::setHasCalls(), llvm::MachineFrameInfo::setHasMustTailInVarArgFunc(), llvm::MachineFrameInfo::setHasOpaqueSPAdjustment(), llvm::MachineFrameInfo::setHasPatchPoint(), llvm::MachineFrameInfo::setHasStackMap(), 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::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 892 of file MIRParser.cpp.

References llvm::MachineFunction::getOrCreateJumpTableInfo(), llvm::yaml::MachineJumpTable::Kind, 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 426 of file MIRParser.cpp.

References llvm::SourceMgr::AddNewSourceBuffer(), llvm::yaml::MachineFunction::Alignment, assert(), llvm::MachineFunction::assignBeginEndSections(), llvm::yaml::MachineFunction::Body, llvm::yaml::MachineFunction::Constants, llvm::yaml::MachineJumpTable::Entries, llvm::Error, error(), llvm::yaml::MachineFunction::ExposesReturnsTwice, llvm::MachineFunctionProperties::FailedISel, llvm::yaml::MachineFunction::FailedISel, 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::HasWinCFI, initializeCallSiteInfo(), initializeConstantPool(), initializeFrameInfo(), initializeJumpTableInfo(), llvm::yaml::MachineFunction::JumpTableInfo, llvm::Labels, llvm::MachineFunctionProperties::Legalized, llvm::yaml::MachineFunction::Legalized, llvm::yaml::MachineFunction::MachineFuncInfo, llvm::TargetSubtargetInfo::mirFileLoaded(), MRI, llvm::parseMachineBasicBlockDefinitions(), llvm::parseMachineInstructions(), 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::setExposesReturnsTwice(), llvm::MachineFunction::setHasWinCFI(), setupRegisterInfo(), llvm::PerFunctionMIParsingState::SM, llvm::yaml::StringValue::SourceRange, llvm::SystemZISD::TM, 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 801 of file MIRParser.cpp.

References llvm::Error, error(), llvm::parseNamedRegisterReference(), Reg, 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 224 of file MIRParser.cpp.

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

parseMachineFunction()

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

Parse the machine function in the current YAML document.

Return true if an error occurred.

Definition at line 289 of file MIRParser.cpp.

References createDummyFunction(), error(), F(), llvm::MachineModuleInfo::getMachineFunction(), llvm::MachineModuleInfo::getOrCreateMachineFunction(), llvm::MachineModuleInfo::getTarget(), initializeMachineFunction(), llvm::yaml::MachineFunction::MachineFuncInfo, llvm::yaml::MachineFunction::Name, and llvm::SystemZISD::TM.

Referenced by parseMachineFunctions().

parseMachineFunctions()

bool MIRParserImpl::parseMachineFunctions	(	Module &	M,
		MachineModuleInfo &	MMI
	)

Definition at line 261 of file MIRParser.cpp.

References parseMachineFunction().

parseRegisterInfo()

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

Definition at line 541 of file MIRParser.cpp.

References llvm::MachineRegisterInfo::addLiveIn(), assert(), llvm::yaml::MachineFunction::CalleeSavedRegisters, llvm::StringRef::equals(), llvm::Error, 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 >::push_back(), Reg, 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 832 of file MIRParser.cpp.

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

Referenced by initializeFrameInfo().

reportDiagnostic()

void MIRParserImpl::reportDiagnostic

(

const SMDiagnostic &

Diag

)

Definition at line 204 of file MIRParser.cpp.

References Context, 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 622 of file MIRParser.cpp.

References E, llvm::Error, error(), llvm::VRegInfo::GENERIC, llvm::MachineFunction::getName(), llvm::MachineFunction::getRegInfo(), I, Info, llvm::MachineBasicBlock::isEHPad(), MBB, llvm::PerFunctionMIParsingState::MF, MI, MRI, llvm::VRegInfo::NORMAL, P, Reg, 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