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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/lib/Support/BlockFrequency.cpp | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/Support/BlockFrequency.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/Support/BlockFrequency.cpp | 164 |
1 files changed, 82 insertions, 82 deletions
diff --git a/contrib/libs/llvm12/lib/Support/BlockFrequency.cpp b/contrib/libs/llvm12/lib/Support/BlockFrequency.cpp index 6ecbd3868f..2b63294f37 100644 --- a/contrib/libs/llvm12/lib/Support/BlockFrequency.cpp +++ b/contrib/libs/llvm12/lib/Support/BlockFrequency.cpp @@ -1,82 +1,82 @@ -//====--------------- lib/Support/BlockFrequency.cpp -----------*- C++ -*-====// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file implements Block Frequency class. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/BlockFrequency.h" -#include <cassert> - -using namespace llvm; - -BlockFrequency &BlockFrequency::operator*=(BranchProbability Prob) { - Frequency = Prob.scale(Frequency); - return *this; -} - -BlockFrequency BlockFrequency::operator*(BranchProbability Prob) const { - BlockFrequency Freq(Frequency); - Freq *= Prob; - return Freq; -} - -BlockFrequency &BlockFrequency::operator/=(BranchProbability Prob) { - Frequency = Prob.scaleByInverse(Frequency); - return *this; -} - -BlockFrequency BlockFrequency::operator/(BranchProbability Prob) const { - BlockFrequency Freq(Frequency); - Freq /= Prob; - return Freq; -} - -BlockFrequency &BlockFrequency::operator+=(BlockFrequency Freq) { - uint64_t Before = Freq.Frequency; - Frequency += Freq.Frequency; - - // If overflow, set frequency to the maximum value. - if (Frequency < Before) - Frequency = UINT64_MAX; - - return *this; -} - -BlockFrequency BlockFrequency::operator+(BlockFrequency Freq) const { - BlockFrequency NewFreq(Frequency); - NewFreq += Freq; - return NewFreq; -} - -BlockFrequency &BlockFrequency::operator-=(BlockFrequency Freq) { - // If underflow, set frequency to 0. - if (Frequency <= Freq.Frequency) - Frequency = 0; - else - Frequency -= Freq.Frequency; - return *this; -} - -BlockFrequency BlockFrequency::operator-(BlockFrequency Freq) const { - BlockFrequency NewFreq(Frequency); - NewFreq -= Freq; - return NewFreq; -} - -BlockFrequency &BlockFrequency::operator>>=(const unsigned count) { - // Frequency can never be 0 by design. - assert(Frequency != 0); - - // Shift right by count. - Frequency >>= count; - - // Saturate to 1 if we are 0. - Frequency |= Frequency == 0; - return *this; -} +//====--------------- lib/Support/BlockFrequency.cpp -----------*- C++ -*-====// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements Block Frequency class. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/BlockFrequency.h" +#include <cassert> + +using namespace llvm; + +BlockFrequency &BlockFrequency::operator*=(BranchProbability Prob) { + Frequency = Prob.scale(Frequency); + return *this; +} + +BlockFrequency BlockFrequency::operator*(BranchProbability Prob) const { + BlockFrequency Freq(Frequency); + Freq *= Prob; + return Freq; +} + +BlockFrequency &BlockFrequency::operator/=(BranchProbability Prob) { + Frequency = Prob.scaleByInverse(Frequency); + return *this; +} + +BlockFrequency BlockFrequency::operator/(BranchProbability Prob) const { + BlockFrequency Freq(Frequency); + Freq /= Prob; + return Freq; +} + +BlockFrequency &BlockFrequency::operator+=(BlockFrequency Freq) { + uint64_t Before = Freq.Frequency; + Frequency += Freq.Frequency; + + // If overflow, set frequency to the maximum value. + if (Frequency < Before) + Frequency = UINT64_MAX; + + return *this; +} + +BlockFrequency BlockFrequency::operator+(BlockFrequency Freq) const { + BlockFrequency NewFreq(Frequency); + NewFreq += Freq; + return NewFreq; +} + +BlockFrequency &BlockFrequency::operator-=(BlockFrequency Freq) { + // If underflow, set frequency to 0. + if (Frequency <= Freq.Frequency) + Frequency = 0; + else + Frequency -= Freq.Frequency; + return *this; +} + +BlockFrequency BlockFrequency::operator-(BlockFrequency Freq) const { + BlockFrequency NewFreq(Frequency); + NewFreq -= Freq; + return NewFreq; +} + +BlockFrequency &BlockFrequency::operator>>=(const unsigned count) { + // Frequency can never be 0 by design. + assert(Frequency != 0); + + // Shift right by count. + Frequency >>= count; + + // Saturate to 1 if we are 0. + Frequency |= Frequency == 0; + return *this; +} |