llvm::BranchProbabilityInfo::BranchProbabilityInfo

Synopses

Declared in <llvm/Analysis/BranchProbabilityInfo.h>

Construct an empty analysis; call calculate() before querying.

constexpr
BranchProbabilityInfo() = default;

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Construct and compute branch probabilities for F.

BranchProbabilityInfo(
    Function const& F,
    CycleInfo const& CI,
    TargetLibraryInfo const* TLI = nullptr,
    DominatorTree* DT = nullptr,
    PostDominatorTree* PDT = nullptr);

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Parameters

Name	Description
F	Function whose CFG is analyzed.
CI	Cycle information identifying loops and irreducible SCCs.
TLI	Optional target library info for heuristic estimation.
DT	Optional dominator tree used by static weight propagation.
PDT	Optional post-dominator tree used by static weight propagation.