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-rw-r--r--include/llvm/Support/BlockFrequency.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/Support/BlockFrequency.h b/include/llvm/Support/BlockFrequency.h
index 997d11e47a..dae520b54e 100644
--- a/include/llvm/Support/BlockFrequency.h
+++ b/include/llvm/Support/BlockFrequency.h
@@ -55,6 +55,9 @@ public:
BlockFrequency &operator+=(const BlockFrequency &Freq);
const BlockFrequency operator+(const BlockFrequency &Freq) const;
+ /// \brief Shift block frequency to the right by count digits saturating to 1.
+ BlockFrequency &operator>>=(const unsigned count);
+
/// \brief Scale the given BlockFrequency by N/D. Return the remainder from
/// the division by D. Upon overflow, the routine will saturate.
uint32_t scale(const BranchProbability &Prob);