/usr/include/llvm-4.0/llvm/ProfileData/ProfileCommon.h is in llvm-4.0-dev 1:4.0.1-10.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | //===-- ProfileCommon.h - Common profiling APIs. ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains data structures and functions common to both instrumented
// and sample profiling.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_PROFILEDATA_PROFILE_COMMON_H
#define LLVM_PROFILEDATA_PROFILE_COMMON_H
#include <cstdint>
#include <functional>
#include <map>
#include <utility>
#include <vector>
#include "llvm/IR/ProfileSummary.h"
#include "llvm/Support/Error.h"
#include "llvm/ADT/ArrayRef.h"
namespace llvm {
class Function;
namespace IndexedInstrProf {
struct Summary;
}
namespace sampleprof {
class FunctionSamples;
}
struct InstrProfRecord;
class LLVMContext;
class Metadata;
class MDTuple;
class MDNode;
inline const char *getHotSectionPrefix() { return ".hot"; }
inline const char *getUnlikelySectionPrefix() { return ".unlikely"; }
class ProfileSummaryBuilder {
private:
/// We keep track of the number of times a count (block count or samples)
/// appears in the profile. The map is kept sorted in the descending order of
/// counts.
std::map<uint64_t, uint32_t, std::greater<uint64_t>> CountFrequencies;
std::vector<uint32_t> DetailedSummaryCutoffs;
protected:
SummaryEntryVector DetailedSummary;
ProfileSummaryBuilder(std::vector<uint32_t> Cutoffs)
: DetailedSummaryCutoffs(std::move(Cutoffs)) {}
inline void addCount(uint64_t Count);
~ProfileSummaryBuilder() = default;
void computeDetailedSummary();
uint64_t TotalCount = 0, MaxCount = 0, MaxFunctionCount = 0;
uint32_t NumCounts = 0, NumFunctions = 0;
public:
/// \brief A vector of useful cutoff values for detailed summary.
static const ArrayRef<uint32_t> DefaultCutoffs;
};
class InstrProfSummaryBuilder final : public ProfileSummaryBuilder {
uint64_t MaxInternalBlockCount = 0;
inline void addEntryCount(uint64_t Count);
inline void addInternalCount(uint64_t Count);
public:
InstrProfSummaryBuilder(std::vector<uint32_t> Cutoffs)
: ProfileSummaryBuilder(std::move(Cutoffs)) {}
void addRecord(const InstrProfRecord &);
std::unique_ptr<ProfileSummary> getSummary();
};
class SampleProfileSummaryBuilder final : public ProfileSummaryBuilder {
public:
void addRecord(const sampleprof::FunctionSamples &FS);
SampleProfileSummaryBuilder(std::vector<uint32_t> Cutoffs)
: ProfileSummaryBuilder(std::move(Cutoffs)) {}
std::unique_ptr<ProfileSummary> getSummary();
};
/// This is called when a count is seen in the profile.
void ProfileSummaryBuilder::addCount(uint64_t Count) {
TotalCount += Count;
if (Count > MaxCount)
MaxCount = Count;
NumCounts++;
CountFrequencies[Count]++;
}
} // end namespace llvm
#endif
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