Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/lib/ProfileData/ProfileSummaryBuilder.cpp

@@ -1,115 +0,0 @@
-//=-- ProfilesummaryBuilder.cpp - Profile summary computation ---------------=//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains support for computing profile summary data.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/IR/Attributes.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/Metadata.h"
-#include "llvm/IR/Type.h"
-#include "llvm/ProfileData/InstrProf.h"
-#include "llvm/ProfileData/ProfileCommon.h"
-#include "llvm/ProfileData/SampleProf.h"
-#include "llvm/Support/Casting.h"
-
-using namespace llvm;
-
-// A set of cutoff values. Each value, when divided by ProfileSummary::Scale
-// (which is 1000000) is a desired percentile of total counts.
-static const uint32_t DefaultCutoffsData[] = {
-    10000,  /*  1% */
-    100000, /* 10% */
-    200000, 300000, 400000, 500000, 600000, 500000, 600000, 700000,
-    800000, 900000, 950000, 990000, 999000, 999900, 999990, 999999};
-const ArrayRef<uint32_t> ProfileSummaryBuilder::DefaultCutoffs =
-    DefaultCutoffsData;
-
-void InstrProfSummaryBuilder::addRecord(const InstrProfRecord &R) {
-  // The first counter is not necessarily an entry count for IR
-  // instrumentation profiles.
-  // Eventually MaxFunctionCount will become obsolete and this can be
-  // removed.
-  addEntryCount(R.Counts[0]);
-  for (size_t I = 1, E = R.Counts.size(); I < E; ++I)
-    addInternalCount(R.Counts[I]);
-}
-
-// To compute the detailed summary, we consider each line containing samples as
-// equivalent to a block with a count in the instrumented profile.
-void SampleProfileSummaryBuilder::addRecord(
-    const sampleprof::FunctionSamples &FS) {
-  NumFunctions++;
-  if (FS.getHeadSamples() > MaxFunctionCount)
-    MaxFunctionCount = FS.getHeadSamples();
-  for (const auto &I : FS.getBodySamples())
-    addCount(I.second.getSamples());
-}
-
-// The argument to this method is a vector of cutoff percentages and the return
-// value is a vector of (Cutoff, MinCount, NumCounts) triplets.
-void ProfileSummaryBuilder::computeDetailedSummary() {
-  if (DetailedSummaryCutoffs.empty())
-    return;
-  std::sort(DetailedSummaryCutoffs.begin(), DetailedSummaryCutoffs.end());
-  auto Iter = CountFrequencies.begin();
-  const auto End = CountFrequencies.end();
-
-  uint32_t CountsSeen = 0;
-  uint64_t CurrSum = 0, Count = 0;
-
-  for (const uint32_t Cutoff : DetailedSummaryCutoffs) {
-    assert(Cutoff <= 999999);
-    APInt Temp(128, TotalCount);
-    APInt N(128, Cutoff);
-    APInt D(128, ProfileSummary::Scale);
-    Temp *= N;
-    Temp = Temp.sdiv(D);
-    uint64_t DesiredCount = Temp.getZExtValue();
-    assert(DesiredCount <= TotalCount);
-    while (CurrSum < DesiredCount && Iter != End) {
-      Count = Iter->first;
-      uint32_t Freq = Iter->second;
-      CurrSum += (Count * Freq);
-      CountsSeen += Freq;
-      Iter++;
-    }
-    assert(CurrSum >= DesiredCount);
-    ProfileSummaryEntry PSE = {Cutoff, Count, CountsSeen};
-    DetailedSummary.push_back(PSE);
-  }
-}
-
-std::unique_ptr<ProfileSummary> SampleProfileSummaryBuilder::getSummary() {
-  computeDetailedSummary();
-  return llvm::make_unique<ProfileSummary>(
-      ProfileSummary::PSK_Sample, DetailedSummary, TotalCount, MaxCount, 0,
-      MaxFunctionCount, NumCounts, NumFunctions);
-}
-
-std::unique_ptr<ProfileSummary> InstrProfSummaryBuilder::getSummary() {
-  computeDetailedSummary();
-  return llvm::make_unique<ProfileSummary>(
-      ProfileSummary::PSK_Instr, DetailedSummary, TotalCount, MaxCount,
-      MaxInternalBlockCount, MaxFunctionCount, NumCounts, NumFunctions);
-}
-
-void InstrProfSummaryBuilder::addEntryCount(uint64_t Count) {
-  addCount(Count);
-  NumFunctions++;
-  if (Count > MaxFunctionCount)
-    MaxFunctionCount = Count;
-}
-
-void InstrProfSummaryBuilder::addInternalCount(uint64_t Count) {
-  addCount(Count);
-  if (Count > MaxInternalBlockCount)
-    MaxInternalBlockCount = Count;
-}