41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
//===-- HeatUtils.h - Utility for printing heat colors ----------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Utility for printing heat colors based on profiling information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_HEATUTILS_H
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#define LLVM_ANALYSIS_HEATUTILS_H
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#include "llvm/Support/Compiler.h"
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#include <cstdint>
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#include <string>
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namespace llvm {
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class BlockFrequencyInfo;
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class Function;
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// Returns number of calls of calledFunction by callerFunction.
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LLVM_ABI uint64_t getNumOfCalls(const Function &CallerFunction,
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const Function &CalledFunction);
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// Returns the maximum frequency of a BB in a function.
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LLVM_ABI uint64_t getMaxFreq(const Function &F, const BlockFrequencyInfo *BFI);
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// Calculates heat color based on current and maximum frequencies.
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LLVM_ABI std::string getHeatColor(uint64_t Freq, uint64_t MaxFreq);
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// Calculates heat color based on percent of "hotness".
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LLVM_ABI std::string getHeatColor(double Percent);
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} // namespace llvm
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#endif
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