llvm::DbgValueHistoryMap::Entry Class Reference

Specifies a change in a variable's debug value history. More...

#include "llvm/CodeGen/DbgEntityHistoryCalculator.h"

Public Types
enum	EntryKind { DbgValue , Clobber }

Public Member Functions
	Entry (const MachineInstr *Instr, EntryKind Kind)
const MachineInstr *	getInstr () const
EntryIndex	getEndIndex () const
EntryKind	getEntryKind () const
bool	isClobber () const
bool	isDbgValue () const
bool	isClosed () const
void	endEntry (EntryIndex EndIndex)

Detailed Description

Specifies a change in a variable's debug value history.

There exist two types of entries:

• Debug value entry:

  A new debug value becomes live. If the entry's EndIndex is NoEntry, the value is valid until the end of the function. For other values, the index points to the entry in the entry vector that ends this debug value. The ending entry can either be an overlapping debug value, or an instruction that clobbers the value.

• Clobbering entry:

  This entry's instruction clobbers one or more preceding register-described debug values that have their end index set to this entry's position in the entry vector.

Definition at line 72 of file DbgEntityHistoryCalculator.h.

Member Enumeration Documentation

EntryKind

enum llvm::DbgValueHistoryMap::Entry::EntryKind

Enumerator
DbgValue
Clobber

Definition at line 76 of file DbgEntityHistoryCalculator.h.

Constructor & Destructor Documentation

Entry()

llvm::DbgValueHistoryMap::Entry::Entry ( const MachineInstr * Instr, EntryKind Kind )

inline

Definition at line 78 of file DbgEntityHistoryCalculator.h.

References llvm::DbgValueHistoryMap::NoEntry.

Member Function Documentation

endEntry()

void DbgValueHistoryMap::Entry::endEntry

(

EntryIndex

EndIndex

)

Definition at line 101 of file DbgEntityHistoryCalculator.cpp.

References assert(), isClosed(), and isDbgValue().

Referenced by llvm::calculateDbgEntityHistory().

getEndIndex()

EntryIndex llvm::DbgValueHistoryMap::Entry::getEndIndex ( ) const

inline

Definition at line 82 of file DbgEntityHistoryCalculator.h.

Referenced by llvm::DbgValueHistoryMap::dump().

getEntryKind()

EntryKind llvm::DbgValueHistoryMap::Entry::getEntryKind ( ) const

inline

Definition at line 83 of file DbgEntityHistoryCalculator.h.

Referenced by isClobber(), and isDbgValue().

getInstr()

const MachineInstr * llvm::DbgValueHistoryMap::Entry::getInstr ( ) const

inline

Definition at line 81 of file DbgEntityHistoryCalculator.h.

Referenced by llvm::DbgValueHistoryMap::dump(), and llvm::DbgValueHistoryMap::hasNonEmptyLocation().

isClobber()

bool llvm::DbgValueHistoryMap::Entry::isClobber ( ) const

inline

Definition at line 85 of file DbgEntityHistoryCalculator.h.

References Clobber, and getEntryKind().

isClosed()

bool llvm::DbgValueHistoryMap::Entry::isClosed ( ) const

inline

Definition at line 87 of file DbgEntityHistoryCalculator.h.

References llvm::DbgValueHistoryMap::NoEntry.

Referenced by llvm::calculateDbgEntityHistory(), endEntry(), and llvm::DbgValueHistoryMap::trimLocationRanges().

isDbgValue()

bool llvm::DbgValueHistoryMap::Entry::isDbgValue ( ) const

inline

Definition at line 86 of file DbgEntityHistoryCalculator.h.

References DbgValue, and getEntryKind().

Referenced by llvm::calculateDbgEntityHistory(), llvm::DbgValueHistoryMap::dump(), endEntry(), and llvm::DbgValueHistoryMap::hasNonEmptyLocation().

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

• include/llvm/CodeGen/DbgEntityHistoryCalculator.h
• lib/CodeGen/AsmPrinter/DbgEntityHistoryCalculator.cpp