1 files changed, 2 insertions, 17 deletions
diff --git a/include/llvm/Support/BlockFrequency.h b/include/llvm/Support/BlockFrequency.h
index 21879e7cbe41..4304a253b287 100644
--- a/include/llvm/Support/BlockFrequency.h
+++ b/include/llvm/Support/BlockFrequency.h
@@ -23,21 +23,11 @@ class BranchProbability;
 
 // This class represents Block Frequency as a 64-bit value.
 class BlockFrequency {
-
   uint64_t Frequency;
-  static const int64_t ENTRY_FREQ = 1 << 14;
-
-  /// \brief Scale the given BlockFrequency by N/D. Return the remainder from
-  /// the division by D. Upon overflow, the routine will saturate and
-  /// additionally will return the remainder set to D.
-  uint32_t scale(uint32_t N, uint32_t D);
 
 public:
   BlockFrequency(uint64_t Freq = 0) : Frequency(Freq) { }
 
-  /// \brief Returns the frequency of the entry block of the function.
-  static uint64_t getEntryFrequency() { return ENTRY_FREQ; }
-
   /// \brief Returns the maximum possible frequency, the saturation value.
   static uint64_t getMaxFrequency() { return -1ULL; }
 
@@ -59,9 +49,8 @@ public:
   BlockFrequency &operator+=(const BlockFrequency &Freq);
   const BlockFrequency operator+(const BlockFrequency &Freq) const;
 
-  /// \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);
+  /// \brief Shift block frequency to the right by count digits saturating to 1.
+  BlockFrequency &operator>>=(const unsigned count);
 
   bool operator<(const BlockFrequency &RHS) const {
     return Frequency < RHS.Frequency;
@@ -78,12 +67,8 @@ public:
   bool operator>=(const BlockFrequency &RHS) const {
     return Frequency >= RHS.Frequency;
   }
-
-  void print(raw_ostream &OS) const;
 };
 
-raw_ostream &operator<<(raw_ostream &OS, const BlockFrequency &Freq);
-
 }
 
 #endif