14 #ifndef LLVM_SUPPORT_BLOCKFREQUENCY_H
15 #define LLVM_SUPPORT_BLOCKFREQUENCY_H
17 #include "llvm/Support/DataTypes.h"
22 class BranchProbability;
56 return Frequency < RHS.Frequency;
60 return Frequency <= RHS.Frequency;
64 return Frequency > RHS.Frequency;
68 return Frequency >= RHS.Frequency;
bool operator>=(const BlockFrequency &RHS) const
bool operator<=(const BlockFrequency &RHS) const
BlockFrequency & operator+=(const BlockFrequency &Freq)
Adds another block frequency using saturating arithmetic.
uint64_t getFrequency() const
Returns the frequency as a fixpoint number scaled by the entry frequency.
BlockFrequency & operator/=(const BranchProbability &Prob)
Divide by a non-zero branch probability using saturating arithmetic.
BlockFrequency(uint64_t Freq=0)
const BlockFrequency operator+(const BlockFrequency &Freq) const
const BlockFrequency operator*(const BranchProbability &Prob) const
bool operator>(const BlockFrequency &RHS) const
BlockFrequency & operator*=(const BranchProbability &Prob)
Multiplies with a branch probability.
BlockFrequency operator/(const BranchProbability &Prob) const
bool operator<(const BlockFrequency &RHS) const
static uint64_t getMaxFrequency()
Returns the maximum possible frequency, the saturation value.
BlockFrequency & operator>>=(const unsigned count)
Shift block frequency to the right by count digits saturating to 1.