class LazyBlockFrequencyInfo

Declaration

template <typename FunctionT,
          typename BranchProbabilityInfoPassT,
          typename LoopInfoT,
          typename BlockFrequencyInfoT>
class LazyBlockFrequencyInfo { /* full declaration omitted */ };

Description

Wraps a BFI to allow lazy computation of the block frequencies. A pass that only conditionally uses BFI can uncondtionally require the analysis without paying for the overhead if BFI doesn't end up being used.

Declared at: llvm/include/llvm/Analysis/LazyBlockFrequencyInfo.h:35

Templates

FunctionT

BranchProbabilityInfoPassT

LoopInfoT

BlockFrequencyInfoT

Method Overview

• public LazyBlockFrequencyInfo<FunctionT, BranchProbabilityInfoPassT, LoopInfoT, BlockFrequencyInfoT>()
• public BlockFrequencyInfoT & getCalculated()
• public const BlockFrequencyInfoT & getCalculated() const
• public void releaseMemory()
• public void setAnalysis(const FunctionT * F, BranchProbabilityInfoPassT * BPIPass, const LoopInfoT * LI)

Methods

¶LazyBlockFrequencyInfo<FunctionT,
                       BranchProbabilityInfoPassT,
                       LoopInfoT,
                       BlockFrequencyInfoT>()

Declared at: llvm/include/llvm/Analysis/LazyBlockFrequencyInfo.h:37

¶BlockFrequencyInfoT& getCalculated()

Description

Retrieve the BFI with the block frequencies computed.

Declared at: llvm/include/llvm/Analysis/LazyBlockFrequencyInfo.h:49

¶const BlockFrequencyInfoT& getCalculated() const

Declared at: llvm/include/llvm/Analysis/LazyBlockFrequencyInfo.h:59

¶void releaseMemory()

Declared at: llvm/include/llvm/Analysis/LazyBlockFrequencyInfo.h:63

¶void setAnalysis(
    const FunctionT* F,
    BranchProbabilityInfoPassT* BPIPass,
    const LoopInfoT* LI)

Description

Set up the per-function input.

Declared at: llvm/include/llvm/Analysis/LazyBlockFrequencyInfo.h:41

Parameters

const FunctionT* F

BranchProbabilityInfoPassT* BPIPass

const LoopInfoT* LI