Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===-- 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

#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