llvm::BlockFrequency Class Reference

#include <BlockFrequency.h>

List of all members.

Public Member Functions
	BlockFrequency (uint64_t Freq=0)
uint64_t	getFrequency () const
	Returns the frequency as a fixpoint number scaled by the entry frequency.
BlockFrequency &	operator*= (const BranchProbability &Prob)
	Multiplies with a branch probability. The computation will never overflow.
const BlockFrequency	operator* (const BranchProbability &Prob) const
BlockFrequency &	operator/= (const BranchProbability &Prob)
	Divide by a non-zero branch probability using saturating arithmetic.
BlockFrequency	operator/ (const BranchProbability &Prob) const
BlockFrequency &	operator+= (const BlockFrequency &Freq)
	Adds another block frequency using saturating arithmetic.
const BlockFrequency	operator+ (const BlockFrequency &Freq) const
BlockFrequency &	operator>>= (const unsigned count)
	Shift block frequency to the right by count digits saturating to 1.
bool	operator< (const BlockFrequency &RHS) const
bool	operator<= (const BlockFrequency &RHS) const
bool	operator> (const BlockFrequency &RHS) const
bool	operator>= (const BlockFrequency &RHS) const
Static Public Member Functions
static uint64_t	getMaxFrequency ()
	Returns the maximum possible frequency, the saturation value.

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Detailed Description

Definition at line 25 of file BlockFrequency.h.

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Constructor & Destructor Documentation

llvm::BlockFrequency::BlockFrequency

(

uint64_t

Freq = 0

)

[inline]

Definition at line 29 of file BlockFrequency.h.

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Member Function Documentation

uint64_t llvm::BlockFrequency::getFrequency

(

)

const [inline]

Returns the frequency as a fixpoint number scaled by the entry frequency.

Definition at line 36 of file BlockFrequency.h.

Referenced by llvm::DOTGraphTraits< BlockFrequencyInfo * >::getNodeLabel(), llvm::DOTGraphTraits< MachineBlockFrequencyInfo * >::getNodeLabel(), llvm::LiveIntervals::getSpillWeight(), llvm::BlockFrequencyInfoImplBase::printBlockFreq(), and setThreshold().

static uint64_t llvm::BlockFrequency::getMaxFrequency

(

)

[inline, static]

Returns the maximum possible frequency, the saturation value.

Definition at line 32 of file BlockFrequency.h.

Referenced by llvm::SpillPlacement::Node::addBias().

const BlockFrequency BlockFrequency::operator*

(

const BranchProbability &

Prob

)

const

Definition at line 27 of file BlockFrequency.cpp.

BlockFrequency & BlockFrequency::operator*=

(

const BranchProbability &

Prob

)

Multiplies with a branch probability. The computation will never overflow.

Definition at line 21 of file BlockFrequency.cpp.

References llvm::BranchProbability::scale().

const BlockFrequency BlockFrequency::operator+

(

const BlockFrequency &

Freq

)

const

Definition at line 56 of file BlockFrequency.cpp.

BlockFrequency & BlockFrequency::operator+=

(

const BlockFrequency &

Freq

)

Adds another block frequency using saturating arithmetic.

Definition at line 44 of file BlockFrequency.cpp.

References UINT64_MAX.

BlockFrequency BlockFrequency::operator/

(

const BranchProbability &

Prob

)

const

Definition at line 38 of file BlockFrequency.cpp.

BlockFrequency & BlockFrequency::operator/=

(

const BranchProbability &

Prob

)

Divide by a non-zero branch probability using saturating arithmetic.

Definition at line 33 of file BlockFrequency.cpp.

References llvm::BranchProbability::scaleByInverse().

bool llvm::BlockFrequency::operator<

(

const BlockFrequency &

RHS

)

const [inline]

Definition at line 55 of file BlockFrequency.h.

bool llvm::BlockFrequency::operator<=

(

const BlockFrequency &

RHS

)

const [inline]

Definition at line 59 of file BlockFrequency.h.

bool llvm::BlockFrequency::operator>

(

const BlockFrequency &

RHS

)

const [inline]

Definition at line 63 of file BlockFrequency.h.

bool llvm::BlockFrequency::operator>=

(

const BlockFrequency &

RHS

)

const [inline]

Definition at line 67 of file BlockFrequency.h.

BlockFrequency & BlockFrequency::operator>>=

(

const unsigned

count

)

Shift block frequency to the right by count digits saturating to 1.

Definition at line 62 of file BlockFrequency.cpp.

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

• BlockFrequency.h
• BlockFrequency.cpp