41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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//===-- HeatUtils.h - Utility for printing heat colors ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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 <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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uint64_t
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getNumOfCalls(Function &callerFunction, Function &calledFunction);
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// Returns the maximum frequency of a BB in a function.
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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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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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std::string getHeatColor(double percent);
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} // namespace llvm
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#endif
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