| //====--------------- 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 "llvm/Support/BranchProbability.h" |
| |
| 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; |
| } |