llvm::coverage::Counter Struct Reference

A Counter is an abstract value that describes how to compute the execution count for a region of code using the collected profile count data. More...

#include "llvm/ProfileData/Coverage/CoverageMapping.h"

Collaboration diagram for llvm::coverage::Counter:

Public Types
enum	CounterKind { Zero, CounterValueReference, Expression }
	The CounterExpression kind (Add or Subtract) is encoded in bit 0 next to the CounterKind. More...

Public Member Functions
	Counter ()=default
CounterKind	getKind () const
bool	isZero () const
bool	isExpression () const
unsigned	getCounterID () const
unsigned	getExpressionID () const

Static Public Member Functions
static Counter	getZero ()
	Return the counter that represents the number zero. More...
static Counter	getCounter (unsigned CounterId)
	Return the counter that corresponds to a specific profile counter. More...
static Counter	getExpression (unsigned ExpressionId)
	Return the counter that corresponds to a specific addition counter expression. More...

Static Public Attributes
static const unsigned	EncodingTagBits = 2
static const unsigned	EncodingTagMask = 0x3
static const unsigned	EncodingCounterTagAndExpansionRegionTagBits

Friends
bool	operator== (const Counter &LHS, const Counter &RHS)
bool	operator!= (const Counter &LHS, const Counter &RHS)
bool	operator< (const Counter &LHS, const Counter &RHS)

Detailed Description

A Counter is an abstract value that describes how to compute the execution count for a region of code using the collected profile count data.

Definition at line 92 of file CoverageMapping.h.

Member Enumeration Documentation

CounterKind

enum llvm::coverage::Counter::CounterKind

The CounterExpression kind (Add or Subtract) is encoded in bit 0 next to the CounterKind.

This means CounterKind has to leave bit 0 free.

Enumerator
Zero
CounterValueReference
Expression

Definition at line 95 of file CoverageMapping.h.

Constructor & Destructor Documentation

Counter()

llvm::coverage::Counter::Counter ( )

default

Referenced by getCounter(), getExpression(), and getZero().

Member Function Documentation

getCounter()

static Counter llvm::coverage::Counter::getCounter ( unsigned  CounterId )

inlinestatic

Return the counter that corresponds to a specific profile counter.

Definition at line 136 of file CoverageMapping.h.

References Counter(), and CounterValueReference.

getCounterID()

unsigned llvm::coverage::Counter::getCounterID ( ) const

inline

Definition at line 116 of file CoverageMapping.h.

Referenced by llvm::DenseMapInfo< coverage::CounterExpression >::getHashValue().

getExpression()

static Counter llvm::coverage::Counter::getExpression ( unsigned  ExpressionId )

inlinestatic

Return the counter that corresponds to a specific addition counter expression.

Definition at line 142 of file CoverageMapping.h.

References Counter().

getExpressionID()

unsigned llvm::coverage::Counter::getExpressionID ( ) const

inline

Definition at line 118 of file CoverageMapping.h.

getKind()

CounterKind llvm::coverage::Counter::getKind ( ) const

inline

Definition at line 110 of file CoverageMapping.h.

Referenced by llvm::DenseMapInfo< coverage::CounterExpression >::getHashValue().

getZero()

static Counter llvm::coverage::Counter::getZero ( )

inlinestatic

Return the counter that represents the number zero.

Definition at line 133 of file CoverageMapping.h.

References Counter().

isExpression()

bool llvm::coverage::Counter::isExpression ( ) const

inline

Definition at line 114 of file CoverageMapping.h.

References Expression.

isZero()

bool llvm::coverage::Counter::isZero ( ) const

inline

Definition at line 112 of file CoverageMapping.h.

References Zero.

Referenced by llvm::coverage::CoverageMappingWriter::write().

Friends And Related Function Documentation

operator!=

bool operator!= ( const Counter &  LHS, const Counter &  RHS  )

friend

Definition at line 124 of file CoverageMapping.h.

operator<

bool operator< ( const Counter &  LHS, const Counter &  RHS  )

friend

Definition at line 128 of file CoverageMapping.h.

operator==

bool operator== ( const Counter &  LHS, const Counter &  RHS  )

friend

Definition at line 120 of file CoverageMapping.h.

Member Data Documentation

EncodingCounterTagAndExpansionRegionTagBits

const unsigned llvm::coverage::Counter::EncodingCounterTagAndExpansionRegionTagBits

static

Initial value:

=
      EncodingTagBits + 1

Definition at line 98 of file CoverageMapping.h.

Referenced by llvm::coverage::CoverageMappingWriter::write().

EncodingTagBits

const unsigned llvm::coverage::Counter::EncodingTagBits = 2

static

Definition at line 96 of file CoverageMapping.h.

Referenced by encodeCounter(), and llvm::coverage::CoverageMappingWriter::write().

EncodingTagMask

const unsigned llvm::coverage::Counter::EncodingTagMask = 0x3

static

Definition at line 97 of file CoverageMapping.h.

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The documentation for this struct was generated from the following file:

• include/llvm/ProfileData/Coverage/CoverageMapping.h