LLVM: llvm::LexicalScope Class Reference

LLVM 8.0.1

LexicalScope - This class is used to track scope information. More...

#include "llvm/CodeGen/LexicalScopes.h"

Public Member Functions
	LexicalScope (LexicalScope P, const DILocalScope D, const DILocation *I, bool A)

LexicalScope *	getParent () const

const MDNode *	getDesc () const

const DILocation *	getInlinedAt () const

const DILocalScope *	getScopeNode () const

bool	isAbstractScope () const

SmallVectorImpl< LexicalScope * > &	getChildren ()

SmallVectorImpl< InsnRange > &	getRanges ()

void	addChild (LexicalScope *S)
	addChild - Add a child scope. More...

void	openInsnRange (const MachineInstr *MI)
	openInsnRange - This scope covers instruction range starting from MI. More...

void	extendInsnRange (const MachineInstr *MI)
	extendInsnRange - Extend the current instruction range covered by this scope. More...

void	closeInsnRange (LexicalScope *NewScope=nullptr)
	closeInsnRange - Create a range based on FirstInsn and LastInsn collected until now. More...

bool	dominates (const LexicalScope *S) const
	dominates - Return true if current scope dominates given lexical scope. More...

unsigned	getDFSOut () const

void	setDFSOut (unsigned O)

unsigned	getDFSIn () const

void	setDFSIn (unsigned I)

void	dump (unsigned Indent=0) const
	dump - print lexical scope. More...

Detailed Description

LexicalScope - This class is used to track scope information.

Definition at line 45 of file LexicalScopes.h.

Constructor & Destructor Documentation

◆ LexicalScope()

llvm::LexicalScope::LexicalScope	(	LexicalScope *	P,
		const DILocalScope *	D,
		const DILocation *	I,
		bool	A
	)

inline

Definition at line 47 of file LexicalScopes.h.

References addChild(), assert(), llvm::DILocalScope::getSubprogram(), llvm::MDNode::isResolved(), and llvm::DICompileUnit::NoDebug.

Referenced by llvm::LexicalScopes::findLexicalScope().

Member Function Documentation

◆ addChild()

void llvm::LexicalScope::addChild ( LexicalScope * S )

inline

addChild - Add a child scope.

Definition at line 70 of file LexicalScopes.h.

Referenced by LexicalScope().

◆ closeInsnRange()

void llvm::LexicalScope::closeInsnRange ( LexicalScope * NewScope = nullptr )

inline

closeInsnRange - Create a range based on FirstInsn and LastInsn collected until now.

This is used when a new scope is encountered while walking machine instructions.

Definition at line 93 of file LexicalScopes.h.

References assert(), closeInsnRange(), dominates(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

Referenced by closeInsnRange(), and llvm::LexicalScopes::getOrCreateAbstractScope().

◆ dominates()

bool llvm::LexicalScope::dominates ( const LexicalScope * S ) const

inline

dominates - Return true if current scope dominates given lexical scope.

Definition at line 105 of file LexicalScopes.h.

References getDFSIn(), and getDFSOut().

Referenced by closeInsnRange(), llvm::LexicalScopes::dominates(), llvm::LexicalScopes::getCurrentFunctionScope(), and llvm::LexicalScopes::getOrCreateAbstractScope().

◆ dump()

LLVM_DUMP_METHOD void LexicalScope::dump ( unsigned Indent = 0 ) const

dump - print lexical scope.

Definition at line 322 of file LexicalScopes.cpp.

References llvm::dbgs(), llvm::Metadata::dump(), llvm::raw_ostream::indent(), and N.

Referenced by llvm::LexicalScopes::findLexicalScope(), and setDFSIn().

◆ extendInsnRange()

void llvm::LexicalScope::extendInsnRange ( const MachineInstr * MI )

inline

extendInsnRange - Extend the current instruction range covered by this scope.

Definition at line 83 of file LexicalScopes.h.

References assert(), extendInsnRange(), and MI.

Referenced by extendInsnRange(), and llvm::LexicalScopes::getOrCreateAbstractScope().

◆ getChildren()

SmallVectorImpl<LexicalScope *>& llvm::LexicalScope::getChildren ( )

inline

Definition at line 66 of file LexicalScopes.h.

Referenced by copyBytesForDefRange(), llvm::DwarfCompileUnit::createScopeChildrenDIE(), llvm::LexicalScopes::getOrCreateAbstractScope(), and llvm::DebugHandlerBase::identifyScopeMarkers().

◆ getDesc()

const MDNode* llvm::LexicalScope::getDesc ( ) const

inline

Definition at line 62 of file LexicalScopes.h.

◆ getDFSIn()

unsigned llvm::LexicalScope::getDFSIn ( ) const

inline

Definition at line 116 of file LexicalScopes.h.

Referenced by dominates().

◆ getDFSOut()

unsigned llvm::LexicalScope::getDFSOut ( ) const

inline

Definition at line 114 of file LexicalScopes.h.

Referenced by dominates().

◆ getInlinedAt()

const DILocation* llvm::LexicalScope::getInlinedAt ( ) const

inline

Definition at line 63 of file LexicalScopes.h.

Referenced by llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructScopeDIE(), llvm::DwarfCompileUnit::constructSubprogramScopeDIE(), and llvm::DwarfDebug::shareAcrossDWOCUs().

◆ getParent()

LexicalScope* llvm::LexicalScope::getParent ( ) const

inline

Definition at line 61 of file LexicalScopes.h.

Referenced by llvm::DwarfCompileUnit::constructScopeDIE().

◆ getRanges()

SmallVectorImpl<InsnRange>& llvm::LexicalScope::getRanges ( )

inline

Definition at line 67 of file LexicalScopes.h.

Referenced by llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructLexicalScopeDIE(), copyBytesForDefRange(), llvm::LexicalScopes::getMachineBasicBlocks(), llvm::DebugHandlerBase::identifyScopeMarkers(), llvm::DwarfDebug::isLexicalScopeDIENull(), and validThroughout().

◆ getScopeNode()

const DILocalScope* llvm::LexicalScope::getScopeNode ( ) const

inline

Definition at line 64 of file LexicalScopes.h.

Referenced by llvm::DwarfDebug::beginFunctionImpl(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructScopeDIE(), copyBytesForDefRange(), llvm::DwarfCompileUnit::createScopeChildrenDIE(), llvm::DwarfDebug::endFunctionImpl(), and llvm::DwarfDebug::shareAcrossDWOCUs().

◆ isAbstractScope()

bool llvm::LexicalScope::isAbstractScope ( ) const

inline

Definition at line 65 of file LexicalScopes.h.

Referenced by llvm::DwarfCompileUnit::constructLabelDIE(), llvm::DwarfCompileUnit::constructLexicalScopeDIE(), llvm::DwarfCompileUnit::constructSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructVariableDIE(), copyBytesForDefRange(), llvm::DebugHandlerBase::identifyScopeMarkers(), llvm::DwarfDebug::isLexicalScopeDIENull(), and llvm::DwarfDebug::shareAcrossDWOCUs().

◆ openInsnRange()

void llvm::LexicalScope::openInsnRange ( const MachineInstr * MI )

inline

openInsnRange - This scope covers instruction range starting from MI.

Definition at line 73 of file LexicalScopes.h.

References MI, and openInsnRange().

Referenced by llvm::LexicalScopes::getOrCreateAbstractScope(), and openInsnRange().

◆ setDFSIn()

void llvm::LexicalScope::setDFSIn ( unsigned I )

inline

Definition at line 117 of file LexicalScopes.h.

References dump(), I, and Indent.

◆ setDFSOut()

void llvm::LexicalScope::setDFSOut ( unsigned O )

inline

Definition at line 115 of file LexicalScopes.h.

References llvm::RISCVFenceField::O.

Referenced by llvm::LexicalScopes::getOrCreateAbstractScope().

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

include/llvm/CodeGen/LexicalScopes.h
lib/CodeGen/LexicalScopes.cpp