| //===-- HeatUtils.h - Utility for printing heat colors ----------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Utility for printing heat colors based on profiling information. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_ANALYSIS_HEATUTILS_H |
| #define LLVM_ANALYSIS_HEATUTILS_H |
| |
| #include <cstdint> |
| #include <string> |
| |
| namespace llvm { |
| |
| class BlockFrequencyInfo; |
| class Function; |
| |
| // Returns number of calls of calledFunction by callerFunction. |
| uint64_t |
| 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); |
| |
| } // namespace llvm |
| |
| #endif |