From 1b98ef1c19082fb49bf6db7b008eec33361e1080 Mon Sep 17 00:00:00 2001 From: Michael Gottesman Date: Sat, 14 Dec 2013 02:24:22 +0000 Subject: [block-freq] Add a right shift to BlockFrequency that saturates at 1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197302 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/BlockFrequency.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') 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); -- cgit v1.2.3