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)
bool	parseMachineFunction (Module &M, MachineModuleInfo &MMI)
	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 191 of file MIRParser.cpp.

References Context.

Member Function Documentation

createDummyFunction()

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

Create an empty function with the given name.

Definition at line 293 of file MIRParser.cpp.

References Context, 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 214 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 202 of file MIRParser.cpp.

References Context, 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 208 of file MIRParser.cpp.

References Context, 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 400 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(), error, llvm::MachineFunction::getName(), llvm::MachineFunction::getTarget(), llvm::MachineInstr::IgnoreBundle, llvm::PerFunctionMIParsingState::MF, llvm::yaml::CallSiteInfo::MachineInstrLoc::Offset, llvm::parseNamedRegisterReference(), llvm::MachineFunction::size(), and TM.

Referenced by initializeMachineFunction().

initializeConstantPool()

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

Definition at line 963 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 740 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::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::Object, 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 991 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 462 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, TM, 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 889 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 240 of file MIRParser.cpp.

References Context, 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 307 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 TM.

Referenced by parseMachineFunctions().

parseMachineFunctions()

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

Definition at line 279 of file MIRParser.cpp.

References parseMachineFunction().

parseMachineMetadataNodes()

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

Definition at line 1029 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 593 of file MIRParser.cpp.

References llvm::MachineRegisterInfo::addLiveIn(), assert(), llvm::yaml::MachineFunction::CalleeSavedRegisters, llvm::StringRef::equals(), 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 939 of file MIRParser.cpp.

References llvm::PerFunctionMIParsingState::MF, llvm::Object, 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 919 of file MIRParser.cpp.

References typecheckMDNode().

Referenced by initializeFrameInfo(), and parseStackObjectsDebugInfo().

reportDiagnostic()

void MIRParserImpl::reportDiagnostic

(

const SMDiagnostic &

Diag

)

Definition at line 220 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 674 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