| //===-- HeatUtils.h - Utility for printing heat colors ----------*- 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 |
| //===----------------------------------------------------------------------===// |
| // Utility for printing heat colors based on profiling information. |
| //===----------------------------------------------------------------------===// |
| #ifndef LLVM_ANALYSIS_HEATUTILS_H |
| #define LLVM_ANALYSIS_HEATUTILS_H |
| class BlockFrequencyInfo; |
| // Returns number of calls of calledFunction by callerFunction. |
| getNumOfCalls(Function &callerFunction, Function &calledFunction); |
| // Returns the maximum frequency of a BB in a function. |
| uint64_t getMaxFreq(const Function &F, const BlockFrequencyInfo *BFI); |
| // Calculates heat color based on current and maximum frequencies. |
| std::string getHeatColor(uint64_t freq, uint64_t maxFreq); |
| // Calculates heat color based on percent of "hotness". |
| std::string getHeatColor(double percent); |