#include <LexicalScopes.h>

Public Member Functions
	LexicalScopes ()

virtual	~LexicalScopes ()

virtual void	initialize (const MachineFunction &)
	initialize - Scan machine function and constuct lexical scope nest. More...

virtual void	releaseMemory ()
	releaseMemory - release memory. More...

bool	empty ()
	empty - Return true if there is any lexical scope information available. More...

bool	isCurrentFunctionScope (const LexicalScope *LS)

LexicalScope *	getCurrentFunctionScope () const
	getCurrentFunctionScope - Return lexical scope for the current function. More...

void	getMachineBasicBlocks (DebugLoc DL, SmallPtrSet< const MachineBasicBlock *, 4 > &MBBs)

bool	dominates (DebugLoc DL, MachineBasicBlock *MBB)

LexicalScope *	findLexicalScope (DebugLoc DL)

ArrayRef< LexicalScope * >	getAbstractScopesList () const
	getAbstractScopesList - Return a reference to list of abstract scopes. More...

LexicalScope *	findAbstractScope (const MDNode *N)
	findAbstractScope - Find an abstract scope or return NULL. More...

LexicalScope *	findInlinedScope (DebugLoc DL)

LexicalScope *	findLexicalScope (const MDNode *N)
	findLexicalScope - Find regular lexical scope or return NULL. More...

void	dump ()
	dump - Print data structures to dbgs(). More...

Detailed Description

LexicalScopes - This class provides interface to collect and use lexical scoping information from machine instruction.

Definition at line 45 of file LexicalScopes.h.

Constructor & Destructor Documentation

llvm::LexicalScopes::LexicalScopes ( )

inline

Definition at line 47 of file LexicalScopes.h.

LexicalScopes::~LexicalScopes ( )

virtual

Definition at line 28 of file LexicalScopes.cpp.

References releaseMemory().

Member Function Documentation

bool LexicalScopes::dominates	(	DebugLoc	DL,
		MachineBasicBlock *	MBB
	)

dominates - Return true if DebugLoc's lexical scope dominates at least one machine instruction's lexical scope in a given machine basic block.

Definition at line 292 of file LexicalScopes.cpp.

References llvm::MachineBasicBlock::begin(), llvm::LexicalScope::dominates(), llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::getParent(), I, and llvm::DebugLoc::isUnknown().

void llvm::LexicalScopes::dump ( )

dump - Print data structures to dbgs().

bool llvm::LexicalScopes::empty ( )

inline

empty - Return true if there is any lexical scope information available.

Definition at line 57 of file LexicalScopes.h.

Referenced by llvm::DwarfDebug::beginFunction(), and llvm::DwarfDebug::endFunction().

LexicalScope* llvm::LexicalScopes::findAbstractScope ( const MDNode * N )

inline

findAbstractScope - Find an abstract scope or return NULL.

Definition at line 88 of file LexicalScopes.h.

Referenced by llvm::DwarfDebug::endFunction().

LexicalScope* llvm::LexicalScopes::findInlinedScope ( DebugLoc DL )

inline

findInlinedScope - Find an inlined scope for the given DebugLoc or return NULL.

Definition at line 94 of file LexicalScopes.h.

LexicalScope * LexicalScopes::findLexicalScope ( DebugLoc DL )

findLexicalScope - Find lexical scope, either regular or inlined, for the given DebugLoc. Return NULL if not found.

Definition at line 116 of file LexicalScopes.cpp.

References llvm::Function::getContext(), llvm::DebugLoc::getFromDILocation(), llvm::MachineFunction::getFunction(), llvm::DILexicalBlockFile::getScope(), llvm::DebugLoc::getScopeAndInlinedAt(), and llvm::DIDescriptor::isLexicalBlockFile().

LexicalScope* llvm::LexicalScopes::findLexicalScope ( const MDNode * N )

inline

findLexicalScope - Find regular lexical scope or return NULL.

Definition at line 99 of file LexicalScopes.h.

ArrayRef<LexicalScope *> llvm::LexicalScopes::getAbstractScopesList ( ) const

inline

getAbstractScopesList - Return a reference to list of abstract scopes.

Definition at line 83 of file LexicalScopes.h.

Referenced by llvm::DwarfDebug::endFunction().

LexicalScope* llvm::LexicalScopes::getCurrentFunctionScope ( ) const

inline

getCurrentFunctionScope - Return lexical scope for the current function.

Definition at line 66 of file LexicalScopes.h.

Referenced by llvm::DwarfDebug::beginFunction(), and llvm::DwarfDebug::endFunction().

void LexicalScopes::getMachineBasicBlocks	(	DebugLoc	DL,
		SmallPtrSet< const MachineBasicBlock *, 4 > &	MBBs
	)

getMachineBasicBlocks - Populate given set using machine basic blocks which have machine instructions that belong to lexical scope identified by DebugLoc.

Definition at line 268 of file LexicalScopes.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::MachineFunction::begin(), llvm::SmallPtrSetImpl::clear(), llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::MachineFunction::end(), llvm::LexicalScope::getRanges(), I, and llvm::SmallPtrSet< PtrType, SmallSize >::insert().