Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 319 deletions

diff --git a/gnu/llvm/lib/Analysis/ProfileSummaryInfo.cpp b/gnu/llvm/lib/Analysis/ProfileSummaryInfo.cpp
deleted file mode 100644
index 1d70c75f2e1..00000000000
--- a/gnu/llvm/lib/Analysis/ProfileSummaryInfo.cpp
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@@ -1,319 +0,0 @@
-//===- ProfileSummaryInfo.cpp - Global profile summary information --------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a pass that provides access to the global profile summary
-// information.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Analysis/ProfileSummaryInfo.h"
-#include "llvm/Analysis/BlockFrequencyInfo.h"
-#include "llvm/IR/BasicBlock.h"
-#include "llvm/IR/CallSite.h"
-#include "llvm/IR/Metadata.h"
-#include "llvm/IR/Module.h"
-#include "llvm/IR/ProfileSummary.h"
-using namespace llvm;
-
-// The following two parameters determine the threshold for a count to be
-// considered hot/cold. These two parameters are percentile values (multiplied
-// by 10000). If the counts are sorted in descending order, the minimum count to
-// reach ProfileSummaryCutoffHot gives the threshold to determine a hot count.
-// Similarly, the minimum count to reach ProfileSummaryCutoffCold gives the
-// threshold for determining cold count (everything <= this threshold is
-// considered cold).
-
-static cl::opt<int> ProfileSummaryCutoffHot(
-    "profile-summary-cutoff-hot", cl::Hidden, cl::init(990000), cl::ZeroOrMore,
-    cl::desc("A count is hot if it exceeds the minimum count to"
-             " reach this percentile of total counts."));
-
-static cl::opt<int> ProfileSummaryCutoffCold(
-    "profile-summary-cutoff-cold", cl::Hidden, cl::init(999999), cl::ZeroOrMore,
-    cl::desc("A count is cold if it is below the minimum count"
-             " to reach this percentile of total counts."));
-
-static cl::opt<unsigned> ProfileSummaryHugeWorkingSetSizeThreshold(
-    "profile-summary-huge-working-set-size-threshold", cl::Hidden,
-    cl::init(15000), cl::ZeroOrMore,
-    cl::desc("The code working set size is considered huge if the number of"
-             " blocks required to reach the -profile-summary-cutoff-hot"
-             " percentile exceeds this count."));
-
-// The next two options override the counts derived from summary computation and
-// are useful for debugging purposes.
-static cl::opt<int> ProfileSummaryHotCount(
-    "profile-summary-hot-count", cl::ReallyHidden, cl::ZeroOrMore,
-    cl::desc("A fixed hot count that overrides the count derived from"
-             " profile-summary-cutoff-hot"));
-
-static cl::opt<int> ProfileSummaryColdCount(
-    "profile-summary-cold-count", cl::ReallyHidden, cl::ZeroOrMore,
-    cl::desc("A fixed cold count that overrides the count derived from"
-             " profile-summary-cutoff-cold"));
-
-// Find the summary entry for a desired percentile of counts.
-static const ProfileSummaryEntry &getEntryForPercentile(SummaryEntryVector &DS,
-                                                        uint64_t Percentile) {
-  auto Compare = [](const ProfileSummaryEntry &Entry, uint64_t Percentile) {
-    return Entry.Cutoff < Percentile;
-  };
-  auto It = std::lower_bound(DS.begin(), DS.end(), Percentile, Compare);
-  // The required percentile has to be <= one of the percentiles in the
-  // detailed summary.
-  if (It == DS.end())
-    report_fatal_error("Desired percentile exceeds the maximum cutoff");
-  return *It;
-}
-
-// The profile summary metadata may be attached either by the frontend or by
-// any backend passes (IR level instrumentation, for example). This method
-// checks if the Summary is null and if so checks if the summary metadata is now
-// available in the module and parses it to get the Summary object. Returns true
-// if a valid Summary is available.
-bool ProfileSummaryInfo::computeSummary() {
-  if (Summary)
-    return true;
-  auto *SummaryMD = M.getProfileSummary();
-  if (!SummaryMD)
-    return false;
-  Summary.reset(ProfileSummary::getFromMD(SummaryMD));
-  return true;
-}
-
-Optional<uint64_t>
-ProfileSummaryInfo::getProfileCount(const Instruction *Inst,
-                                    BlockFrequencyInfo *BFI) {
-  if (!Inst)
-    return None;
-  assert((isa<CallInst>(Inst) || isa<InvokeInst>(Inst)) &&
-         "We can only get profile count for call/invoke instruction.");
-  if (hasSampleProfile()) {
-    // In sample PGO mode, check if there is a profile metadata on the
-    // instruction. If it is present, determine hotness solely based on that,
-    // since the sampled entry count may not be accurate. If there is no
-    // annotated on the instruction, return None.
-    uint64_t TotalCount;
-    if (Inst->extractProfTotalWeight(TotalCount))
-      return TotalCount;
-    return None;
-  }
-  if (BFI)
-    return BFI->getBlockProfileCount(Inst->getParent());
-  return None;
-}
-
-/// Returns true if the function's entry is hot. If it returns false, it
-/// either means it is not hot or it is unknown whether it is hot or not (for
-/// example, no profile data is available).
-bool ProfileSummaryInfo::isFunctionEntryHot(const Function *F) {
-  if (!F || !computeSummary())
-    return false;
-  auto FunctionCount = F->getEntryCount();
-  // FIXME: The heuristic used below for determining hotness is based on
-  // preliminary SPEC tuning for inliner. This will eventually be a
-  // convenience method that calls isHotCount.
-  return FunctionCount && isHotCount(FunctionCount.getCount());
-}
-
-/// Returns true if the function contains hot code. This can include a hot
-/// function entry count, hot basic block, or (in the case of Sample PGO)
-/// hot total call edge count.
-/// If it returns false, it either means it is not hot or it is unknown
-/// (for example, no profile data is available).
-bool ProfileSummaryInfo::isFunctionHotInCallGraph(const Function *F,
-                                                  BlockFrequencyInfo &BFI) {
-  if (!F || !computeSummary())
-    return false;
-  if (auto FunctionCount = F->getEntryCount())
-    if (isHotCount(FunctionCount.getCount()))
-      return true;
-
-  if (hasSampleProfile()) {
-    uint64_t TotalCallCount = 0;
-    for (const auto &BB : *F)
-      for (const auto &I : BB)
-        if (isa<CallInst>(I) || isa<InvokeInst>(I))
-          if (auto CallCount = getProfileCount(&I, nullptr))
-            TotalCallCount += CallCount.getValue();
-    if (isHotCount(TotalCallCount))
-      return true;
-  }
-  for (const auto &BB : *F)
-    if (isHotBlock(&BB, &BFI))
-      return true;
-  return false;
-}
-
-/// Returns true if the function only contains cold code. This means that
-/// the function entry and blocks are all cold, and (in the case of Sample PGO)
-/// the total call edge count is cold.
-/// If it returns false, it either means it is not cold or it is unknown
-/// (for example, no profile data is available).
-bool ProfileSummaryInfo::isFunctionColdInCallGraph(const Function *F,
-                                                   BlockFrequencyInfo &BFI) {
-  if (!F || !computeSummary())
-    return false;
-  if (auto FunctionCount = F->getEntryCount())
-    if (!isColdCount(FunctionCount.getCount()))
-      return false;
-
-  if (hasSampleProfile()) {
-    uint64_t TotalCallCount = 0;
-    for (const auto &BB : *F)
-      for (const auto &I : BB)
-        if (isa<CallInst>(I) || isa<InvokeInst>(I))
-          if (auto CallCount = getProfileCount(&I, nullptr))
-            TotalCallCount += CallCount.getValue();
-    if (!isColdCount(TotalCallCount))
-      return false;
-  }
-  for (const auto &BB : *F)
-    if (!isColdBlock(&BB, &BFI))
-      return false;
-  return true;
-}
-
-/// Returns true if the function's entry is a cold. If it returns false, it
-/// either means it is not cold or it is unknown whether it is cold or not (for
-/// example, no profile data is available).
-bool ProfileSummaryInfo::isFunctionEntryCold(const Function *F) {
-  if (!F)
-    return false;
-  if (F->hasFnAttribute(Attribute::Cold))
-    return true;
-  if (!computeSummary())
-    return false;
-  auto FunctionCount = F->getEntryCount();
-  // FIXME: The heuristic used below for determining coldness is based on
-  // preliminary SPEC tuning for inliner. This will eventually be a
-  // convenience method that calls isHotCount.
-  return FunctionCount && isColdCount(FunctionCount.getCount());
-}
-
-/// Compute the hot and cold thresholds.
-void ProfileSummaryInfo::computeThresholds() {
-  if (!computeSummary())
-    return;
-  auto &DetailedSummary = Summary->getDetailedSummary();
-  auto &HotEntry =
-      getEntryForPercentile(DetailedSummary, ProfileSummaryCutoffHot);
-  HotCountThreshold = HotEntry.MinCount;
-  if (ProfileSummaryHotCount.getNumOccurrences() > 0)
-    HotCountThreshold = ProfileSummaryHotCount;
-  auto &ColdEntry =
-      getEntryForPercentile(DetailedSummary, ProfileSummaryCutoffCold);
-  ColdCountThreshold = ColdEntry.MinCount;
-  if (ProfileSummaryColdCount.getNumOccurrences() > 0)
-    ColdCountThreshold = ProfileSummaryColdCount;
-  assert(ColdCountThreshold <= HotCountThreshold &&
-         "Cold count threshold cannot exceed hot count threshold!");
-  HasHugeWorkingSetSize =
-      HotEntry.NumCounts > ProfileSummaryHugeWorkingSetSizeThreshold;
-}
-
-bool ProfileSummaryInfo::hasHugeWorkingSetSize() {
-  if (!HasHugeWorkingSetSize)
-    computeThresholds();
-  return HasHugeWorkingSetSize && HasHugeWorkingSetSize.getValue();
-}
-
-bool ProfileSummaryInfo::isHotCount(uint64_t C) {
-  if (!HotCountThreshold)
-    computeThresholds();
-  return HotCountThreshold && C >= HotCountThreshold.getValue();
-}
-
-bool ProfileSummaryInfo::isColdCount(uint64_t C) {
-  if (!ColdCountThreshold)
-    computeThresholds();
-  return ColdCountThreshold && C <= ColdCountThreshold.getValue();
-}
-
-uint64_t ProfileSummaryInfo::getOrCompHotCountThreshold() {
-  if (!HotCountThreshold)
-    computeThresholds();
-  return HotCountThreshold ? HotCountThreshold.getValue() : UINT64_MAX;
-}
-
-uint64_t ProfileSummaryInfo::getOrCompColdCountThreshold() {
-  if (!ColdCountThreshold)
-    computeThresholds();
-  return ColdCountThreshold ? ColdCountThreshold.getValue() : 0;
-}
-
-bool ProfileSummaryInfo::isHotBlock(const BasicBlock *BB, BlockFrequencyInfo *BFI) {
-  auto Count = BFI->getBlockProfileCount(BB);
-  return Count && isHotCount(*Count);
-}
-
-bool ProfileSummaryInfo::isColdBlock(const BasicBlock *BB,
-                                  BlockFrequencyInfo *BFI) {
-  auto Count = BFI->getBlockProfileCount(BB);
-  return Count && isColdCount(*Count);
-}
-
-bool ProfileSummaryInfo::isHotCallSite(const CallSite &CS,
-                                       BlockFrequencyInfo *BFI) {
-  auto C = getProfileCount(CS.getInstruction(), BFI);
-  return C && isHotCount(*C);
-}
-
-bool ProfileSummaryInfo::isColdCallSite(const CallSite &CS,
-                                        BlockFrequencyInfo *BFI) {
-  auto C = getProfileCount(CS.getInstruction(), BFI);
-  if (C)
-    return isColdCount(*C);
-
-  // In SamplePGO, if the caller has been sampled, and there is no profile
-  // annotated on the callsite, we consider the callsite as cold.
-  return hasSampleProfile() && CS.getCaller()->hasProfileData();
-}
-
-INITIALIZE_PASS(ProfileSummaryInfoWrapperPass, "profile-summary-info",
-                "Profile summary info", false, true)
-
-ProfileSummaryInfoWrapperPass::ProfileSummaryInfoWrapperPass()
-    : ImmutablePass(ID) {
-  initializeProfileSummaryInfoWrapperPassPass(*PassRegistry::getPassRegistry());
-}
-
-bool ProfileSummaryInfoWrapperPass::doInitialization(Module &M) {
-  PSI.reset(new ProfileSummaryInfo(M));
-  return false;
-}
-
-bool ProfileSummaryInfoWrapperPass::doFinalization(Module &M) {
-  PSI.reset();
-  return false;
-}
-
-AnalysisKey ProfileSummaryAnalysis::Key;
-ProfileSummaryInfo ProfileSummaryAnalysis::run(Module &M,
-                                               ModuleAnalysisManager &) {
-  return ProfileSummaryInfo(M);
-}
-
-PreservedAnalyses ProfileSummaryPrinterPass::run(Module &M,
-                                                 ModuleAnalysisManager &AM) {
-  ProfileSummaryInfo &PSI = AM.getResult<ProfileSummaryAnalysis>(M);
-
-  OS << "Functions in " << M.getName() << " with hot/cold annotations: \n";
-  for (auto &F : M) {
-    OS << F.getName();
-    if (PSI.isFunctionEntryHot(&F))
-      OS << " :hot entry ";
-    else if (PSI.isFunctionEntryCold(&F))
-      OS << " :cold entry ";
-    OS << "\n";
-  }
-  return PreservedAnalyses::all();
-}
-
-char ProfileSummaryInfoWrapperPass::ID = 0;