#include <LexicalScopes.h>

Public Member Functions
	LexicalScopes ()
void	initialize (const MachineFunction &)
	initialize - Scan machine function and constuct lexical scope nest.
void	reset ()
	releaseMemory - release memory.
bool	empty ()
	empty - Return true if there is any lexical scope information available.
bool	isCurrentFunctionScope (const LexicalScope *LS)
LexicalScope *	getCurrentFunctionScope () const
	getCurrentFunctionScope - Return lexical scope for the current function.
void	getMachineBasicBlocks (DebugLoc DL, SmallPtrSetImpl< const MachineBasicBlock * > &MBBs)
bool	dominates (DebugLoc DL, MachineBasicBlock *MBB)
LexicalScope *	findLexicalScope (DebugLoc DL)
ArrayRef< LexicalScope * >	getAbstractScopesList () const
	getAbstractScopesList - Return a reference to list of abstract scopes.
LexicalScope *	findAbstractScope (const MDNode *N)
	findAbstractScope - Find an abstract scope or return null.
LexicalScope *	findInlinedScope (DebugLoc DL)
LexicalScope *	findLexicalScope (const MDNode *N)
	findLexicalScope - Find regular lexical scope or return null.
void	dump ()
	dump - Print data structures to dbgs().
LexicalScope *	getOrCreateAbstractScope (const MDNode *N)
	getOrCreateAbstractScope - Find or create an abstract lexical scope.

Detailed Description

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

Definition at line 137 of file LexicalScopes.h.

Constructor & Destructor Documentation

llvm::LexicalScopes::LexicalScopes ( ) [inline]

Definition at line 139 of file LexicalScopes.h.

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 311 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 149 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 182 of file LexicalScopes.h.

References I.

LexicalScope * LexicalScopes::findInlinedScope ( DebugLoc DL )

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

Definition at line 107 of file LexicalScopes.cpp.

References llvm::Function::getContext(), llvm::MDNode::getFunction(), llvm::DebugLoc::getScopeAndInlinedAt(), and I.

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 117 of file LexicalScopes.cpp.

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

LexicalScope* llvm::LexicalScopes::findLexicalScope ( const MDNode * N ) [inline]

findLexicalScope - Find regular lexical scope or return null.

Definition at line 192 of file LexicalScopes.h.

References I.

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

getAbstractScopesList - Return a reference to list of abstract scopes.

Definition at line 177 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 158 of file LexicalScopes.h.

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

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

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

Definition at line 287 of file LexicalScopes.cpp.

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

LexicalScope * LexicalScopes::getOrCreateAbstractScope ( const MDNode * N )