diff options
Diffstat (limited to 'include/llvm/Support/BranchProbability.h')
-rw-r--r-- | include/llvm/Support/BranchProbability.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/include/llvm/Support/BranchProbability.h b/include/llvm/Support/BranchProbability.h index 7ba6491..2e81490 100644 --- a/include/llvm/Support/BranchProbability.h +++ b/include/llvm/Support/BranchProbability.h @@ -19,15 +19,9 @@ namespace llvm { class raw_ostream; -class BranchProbabilityInfo; -class MachineBranchProbabilityInfo; -class MachineBasicBlock; // This class represents Branch Probability as a non-negative fraction. class BranchProbability { - friend class BranchProbabilityInfo; - friend class MachineBranchProbabilityInfo; - friend class MachineBasicBlock; // Numerator uint32_t N; @@ -35,9 +29,17 @@ class BranchProbability { // Denominator uint32_t D; +public: BranchProbability(uint32_t n, uint32_t d); -public: + uint32_t getNumerator() const { return N; } + uint32_t getDenominator() const { return D; } + + // Return (1 - Probability). + BranchProbability getCompl() { + return BranchProbability(D - N, D); + } + raw_ostream &print(raw_ostream &OS) const; void dump() const; |