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-rw-r--r--llvm/lib/Analysis/ModuleSummaryAnalysis.cpp2
-rw-r--r--llvm/lib/Bitcode/Reader/BitcodeReader.cpp11
-rw-r--r--llvm/lib/IR/ModuleSummaryIndex.cpp244
-rw-r--r--llvm/lib/LTO/LTO.cpp3
-rw-r--r--llvm/lib/LTO/LTOBackend.cpp6
-rw-r--r--llvm/lib/LTO/ThinLTOCodeGenerator.cpp2
-rw-r--r--llvm/lib/Transforms/IPO/FunctionImport.cpp4
-rw-r--r--llvm/lib/Transforms/IPO/LowerTypeTests.cpp2
-rw-r--r--llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp2
9 files changed, 10 insertions, 266 deletions
diff --git a/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp b/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp
index cf2fe7776dd..efa5bd564ad 100644
--- a/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp
+++ b/llvm/lib/Analysis/ModuleSummaryAnalysis.cpp
@@ -372,7 +372,7 @@ ModuleSummaryIndex llvm::buildModuleSummaryIndex(
std::function<BlockFrequencyInfo *(const Function &F)> GetBFICallback,
ProfileSummaryInfo *PSI) {
assert(PSI);
- ModuleSummaryIndex Index(/*IsPerformingAnalysis=*/true);
+ ModuleSummaryIndex Index;
// Identify the local values in the llvm.used and llvm.compiler.used sets,
// which should not be exported as they would then require renaming and
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 7ffa6248879..1b029bf8885 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -4813,12 +4813,8 @@ void ModuleSummaryIndexBitcodeReader::setValueGUID(
if (PrintSummaryGUIDs)
dbgs() << "GUID " << ValueGUID << "(" << OriginalNameID << ") is "
<< ValueName << "\n";
-
- // UseStrtab is false for legacy summary formats and value names are
- // created on stack. We can't use them outside of parseValueSymbolTable.
- ValueIdToValueInfoMap[ValueID] = std::make_pair(
- TheIndex.getOrInsertValueInfo(ValueGUID, UseStrtab ? ValueName : ""),
- OriginalNameID);
+ ValueIdToValueInfoMap[ValueID] =
+ std::make_pair(TheIndex.getOrInsertValueInfo(ValueGUID), OriginalNameID);
}
// Specialized value symbol table parser used when reading module index
@@ -5683,8 +5679,7 @@ Expected<std::unique_ptr<ModuleSummaryIndex>> BitcodeModule::getSummary() {
BitstreamCursor Stream(Buffer);
Stream.JumpToBit(ModuleBit);
- auto Index =
- llvm::make_unique<ModuleSummaryIndex>(/*IsPerformingAnalysis=*/false);
+ auto Index = llvm::make_unique<ModuleSummaryIndex>();
ModuleSummaryIndexBitcodeReader R(std::move(Stream), Strtab, *Index,
ModuleIdentifier, 0);
diff --git a/llvm/lib/IR/ModuleSummaryIndex.cpp b/llvm/lib/IR/ModuleSummaryIndex.cpp
index a0b963e7af3..51c4bae3332 100644
--- a/llvm/lib/IR/ModuleSummaryIndex.cpp
+++ b/llvm/lib/IR/ModuleSummaryIndex.cpp
@@ -14,7 +14,6 @@
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/ADT/StringMap.h"
-#include "llvm/Support/Path.h"
using namespace llvm;
// Collect for the given module the list of function it defines
@@ -70,246 +69,3 @@ bool ModuleSummaryIndex::isGUIDLive(GlobalValue::GUID GUID) const {
return true;
return false;
}
-
-namespace {
-struct Attributes {
- void add(const Twine &Name, const Twine &Value,
- const Twine &Comment = Twine());
- std::string getAsString() const;
-
- std::vector<std::string> Attrs;
- std::string Comments;
-};
-
-struct Edge {
- uint64_t SrcMod;
- int Hotness;
- GlobalValue::GUID Src;
- GlobalValue::GUID Dst;
-};
-}
-
-void Attributes::add(const Twine &Name, const Twine &Value,
- const Twine &Comment) {
- std::string A = Name.str();
- A += "=\"";
- A += Value.str();
- A += "\"";
- Attrs.push_back(A);
- if (!Comment.isTriviallyEmpty()) {
- if (Comments.empty())
- Comments = " // ";
- else
- Comments += ", ";
- Comments += Comment.str();
- }
-}
-
-std::string Attributes::getAsString() const {
- if (Attrs.empty())
- return "";
-
- std::string Ret = "[";
- for (auto &A : Attrs)
- Ret += A + ",";
- Ret.pop_back();
- Ret += "];";
- Ret += Comments;
- return Ret;
-}
-
-static std::string linkageToString(GlobalValue::LinkageTypes LT) {
- switch (LT) {
- case GlobalValue::ExternalLinkage:
- return "extern";
- case GlobalValue::AvailableExternallyLinkage:
- return "av_ext";
- case GlobalValue::LinkOnceAnyLinkage:
- return "linkonce";
- case GlobalValue::LinkOnceODRLinkage:
- return "linkonce_odr";
- case GlobalValue::WeakAnyLinkage:
- return "weak";
- case GlobalValue::WeakODRLinkage:
- return "weak_odr";
- case GlobalValue::AppendingLinkage:
- return "appending";
- case GlobalValue::InternalLinkage:
- return "internal";
- case GlobalValue::PrivateLinkage:
- return "private";
- case GlobalValue::ExternalWeakLinkage:
- return "extern_weak";
- case GlobalValue::CommonLinkage:
- return "common";
- }
-
- return "<unknown>";
-}
-
-static std::string fflagsToString(FunctionSummary::FFlags F) {
- auto FlagValue = [](unsigned V) { return V ? '1' : '0'; };
- char FlagRep[] = {FlagValue(F.ReadNone), FlagValue(F.ReadOnly),
- FlagValue(F.NoRecurse), FlagValue(F.ReturnDoesNotAlias), 0};
-
- return FlagRep;
-}
-
-// Get string representation of function instruction count and flags.
-static std::string getSummaryAttributes(GlobalValueSummary* GVS) {
- auto *FS = dyn_cast_or_null<FunctionSummary>(GVS);
- if (!FS)
- return "";
-
- return std::string("inst: ") + std::to_string(FS->instCount()) +
- ", ffl: " + fflagsToString(FS->fflags());
-}
-
-static std::string getNodeVisualName(const ValueInfo &VI) {
- return VI.name().empty() ? std::string("@") + std::to_string(VI.getGUID())
- : VI.name().str();
-}
-
-static std::string getNodeLabel(const ValueInfo &VI, GlobalValueSummary *GVS) {
- if (isa<AliasSummary>(GVS))
- return getNodeVisualName(VI);
-
- std::string Attrs = getSummaryAttributes(GVS);
- std::string Label =
- getNodeVisualName(VI) + "|" + linkageToString(GVS->linkage());
- if (!Attrs.empty())
- Label += std::string(" (") + Attrs + ")";
- Label += "}";
-
- return Label;
-}
-
-// Write definition of external node, which doesn't have any
-// specific module associated with it. Typically this is function
-// or variable defined in native object or library.
-static void defineExternalNode(raw_ostream &OS, const char *Pfx,
- const ValueInfo &VI) {
- auto StrId = std::to_string(VI.getGUID());
- OS << " " << StrId << " [label=\"" << getNodeVisualName(VI)
- << "\"]; // defined externally\n";
-}
-
-void ModuleSummaryIndex::exportToDot(raw_ostream& OS) const {
- std::vector<Edge> CrossModuleEdges;
- DenseMap<GlobalValue::GUID, std::vector<uint64_t>> NodeMap;
- StringMap<GVSummaryMapTy> ModuleToDefinedGVS;
- collectDefinedGVSummariesPerModule(ModuleToDefinedGVS);
-
- // Get node identifier in form MXXX_<GUID>. The MXXX prefix is required,
- // because we may have multiple linkonce functions summaries.
- auto NodeId = [](uint64_t ModId, GlobalValue::GUID Id) {
- return ModId == (uint64_t)-1 ? std::to_string(Id)
- : std::string("M") + std::to_string(ModId) +
- "_" + std::to_string(Id);
- };
-
- auto DrawEdge = [&](const char *Pfx, int SrcMod, GlobalValue::GUID SrcId,
- int DstMod, GlobalValue::GUID DstId, int TypeOrHotness) {
- // 0 corresponds to alias edge, 1 to ref edge, 2 to call with unknown
- // hotness, ...
- TypeOrHotness += 2;
- static const char *EdgeAttrs[] = {
- " [style=dotted]; // alias",
- " [style=dashed]; // ref",
- " // call (hotness : Unknown)",
- " [color=blue]; // call (hotness : Cold)",
- " // call (hotness : None)",
- " [color=brown]; // call (hotness : Hot)",
- " [style=bold,color=red]; // call (hotness : Critical)"};
-
- assert(static_cast<size_t>(TypeOrHotness) <
- sizeof(EdgeAttrs) / sizeof(EdgeAttrs[0]));
- OS << Pfx << NodeId(SrcMod, SrcId) << " -> " << NodeId(DstMod, DstId)
- << EdgeAttrs[TypeOrHotness] << "\n";
- };
-
- OS << "digraph Summary {\n";
- for (auto &ModIt : ModuleToDefinedGVS) {
- auto ModId = getModuleId(ModIt.first());
- OS << " // Module: " << ModIt.first() << "\n";
- OS << " subgraph cluster_" << std::to_string(ModId) << " {\n";
- OS << " style = filled;\n";
- OS << " color = lightgrey;\n";
- OS << " label = \"" << sys::path::filename(ModIt.first()) << "\";\n";
- OS << " node [style=filled,fillcolor=lightblue];\n";
-
- auto &GVSMap = ModIt.second;
- auto Draw = [&](GlobalValue::GUID IdFrom, GlobalValue::GUID IdTo, int Hotness) {
- if (!GVSMap.count(IdTo)) {
- CrossModuleEdges.push_back({ModId, Hotness, IdFrom, IdTo});
- return;
- }
- DrawEdge(" ", ModId, IdFrom, ModId, IdTo, Hotness);
- };
-
- for (auto &SummaryIt : GVSMap) {
- NodeMap[SummaryIt.first].push_back(ModId);
- auto Flags = SummaryIt.second->flags();
- Attributes A;
- if (isa<FunctionSummary>(SummaryIt.second)) {
- A.add("shape", "record", "function");
- } else if (isa<AliasSummary>(SummaryIt.second)) {
- A.add("style", "dotted,filled", "alias");
- A.add("shape", "box");
- } else {
- A.add("shape", "Mrecord", "variable");
- }
-
- auto VI = getValueInfo(SummaryIt.first);
- A.add("label", getNodeLabel(VI, SummaryIt.second));
- if (!Flags.Live)
- A.add("fillcolor", "red", "dead");
- else if (Flags.NotEligibleToImport)
- A.add("fillcolor", "yellow", "not eligible to import");
-
- OS << " " << NodeId(ModId, SummaryIt.first) << " " << A.getAsString()
- << "\n";
- }
- OS << " // Edges:\n";
-
- for (auto &SummaryIt : GVSMap) {
- auto *GVS = SummaryIt.second;
- for (auto &R : GVS->refs())
- Draw(SummaryIt.first, R.getGUID(), -1);
-
- if (auto *AS = dyn_cast_or_null<AliasSummary>(SummaryIt.second)) {
- auto AliaseeOrigId = AS->getAliasee().getOriginalName();
- auto AliaseeId = getGUIDFromOriginalID(AliaseeOrigId);
-
- Draw(SummaryIt.first, AliaseeId ? AliaseeId : AliaseeOrigId, -2);
- continue;
- }
-
- if (auto *FS = dyn_cast_or_null<FunctionSummary>(SummaryIt.second))
- for (auto &CGEdge : FS->calls())
- Draw(SummaryIt.first, CGEdge.first.getGUID(),
- static_cast<int>(CGEdge.second.Hotness));
- }
- OS << " }\n";
- }
-
- for (auto &E : CrossModuleEdges) {
- auto &ModList = NodeMap[E.Dst];
- if (ModList.empty()) {
- defineExternalNode(OS, " ", getValueInfo(E.Dst));
- // Add fake module to the list to draw an edge to an external node
- // in the loop below.
- ModList.push_back(-1);
- }
- for (auto DstMod : ModList)
- // The edge representing call or ref is drawn to every module where target
- // symbol is defined. When target is a linkonce symbol there can be
- // multiple edges representing a single call or ref, both intra-module and
- // cross-module. As we've already drawn all intra-module edges before we
- // skip it here.
- if (DstMod != E.SrcMod)
- DrawEdge(" ", E.SrcMod, E.Src, DstMod, E.Dst, E.Hotness);
- }
-
- OS << "}";
-}
diff --git a/llvm/lib/LTO/LTO.cpp b/llvm/lib/LTO/LTO.cpp
index 69d46a594d3..a36d640ba9e 100644
--- a/llvm/lib/LTO/LTO.cpp
+++ b/llvm/lib/LTO/LTO.cpp
@@ -388,8 +388,7 @@ LTO::RegularLTOState::RegularLTOState(unsigned ParallelCodeGenParallelismLevel,
Ctx(Conf), CombinedModule(llvm::make_unique<Module>("ld-temp.o", Ctx)),
Mover(llvm::make_unique<IRMover>(*CombinedModule)) {}
-LTO::ThinLTOState::ThinLTOState(ThinBackend Backend)
- : Backend(Backend), CombinedIndex(/*IsPeformingAnalysis*/ false) {
+LTO::ThinLTOState::ThinLTOState(ThinBackend Backend) : Backend(Backend) {
if (!Backend)
this->Backend =
createInProcessThinBackend(llvm::heavyweight_hardware_concurrency());
diff --git a/llvm/lib/LTO/LTOBackend.cpp b/llvm/lib/LTO/LTOBackend.cpp
index 07053267750..501d6284117 100644
--- a/llvm/lib/LTO/LTOBackend.cpp
+++ b/llvm/lib/LTO/LTOBackend.cpp
@@ -103,12 +103,6 @@ Error Config::addSaveTemps(std::string OutputFileName,
if (EC)
reportOpenError(Path, EC.message());
WriteIndexToFile(Index, OS);
-
- Path = OutputFileName + "index.dot";
- raw_fd_ostream OSDot(Path, EC, sys::fs::OpenFlags::F_None);
- if (EC)
- reportOpenError(Path, EC.message());
- Index.exportToDot(OSDot);
return true;
};
diff --git a/llvm/lib/LTO/ThinLTOCodeGenerator.cpp b/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
index b5ac5a77e9c..692396eac20 100644
--- a/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
@@ -592,7 +592,7 @@ std::unique_ptr<TargetMachine> TargetMachineBuilder::create() const {
*/
std::unique_ptr<ModuleSummaryIndex> ThinLTOCodeGenerator::linkCombinedIndex() {
std::unique_ptr<ModuleSummaryIndex> CombinedIndex =
- llvm::make_unique<ModuleSummaryIndex>(/*IsPeformingAnalysis=*/false);
+ llvm::make_unique<ModuleSummaryIndex>();
uint64_t NextModuleId = 0;
for (auto &ModuleBuffer : Modules) {
if (Error Err = readModuleSummaryIndex(ModuleBuffer.getMemBuffer(),
diff --git a/llvm/lib/Transforms/IPO/FunctionImport.cpp b/llvm/lib/Transforms/IPO/FunctionImport.cpp
index b1eefb96454..b6d6201cd23 100644
--- a/llvm/lib/Transforms/IPO/FunctionImport.cpp
+++ b/llvm/lib/Transforms/IPO/FunctionImport.cpp
@@ -231,7 +231,7 @@ updateValueInfoForIndirectCalls(const ModuleSummaryIndex &Index, ValueInfo VI) {
// it, rather than needing to perform this mapping on each walk.
auto GUID = Index.getGUIDFromOriginalID(VI.getGUID());
if (GUID == 0)
- return ValueInfo();
+ return nullptr;
return Index.getValueInfo(GUID);
}
@@ -517,7 +517,7 @@ void llvm::computeDeadSymbols(
for (auto &S : Entry.second.SummaryList)
if (S->isLive()) {
DEBUG(dbgs() << "Live root: " << Entry.first << "\n");
- Worklist.push_back(ValueInfo(/*IsAnalysis=*/false, &Entry));
+ Worklist.push_back(ValueInfo(&Entry));
++LiveSymbols;
break;
}
diff --git a/llvm/lib/Transforms/IPO/LowerTypeTests.cpp b/llvm/lib/Transforms/IPO/LowerTypeTests.cpp
index 5dd9fd35e30..20f54ef53f7 100644
--- a/llvm/lib/Transforms/IPO/LowerTypeTests.cpp
+++ b/llvm/lib/Transforms/IPO/LowerTypeTests.cpp
@@ -1529,7 +1529,7 @@ LowerTypeTestsModule::LowerTypeTestsModule(
}
bool LowerTypeTestsModule::runForTesting(Module &M) {
- ModuleSummaryIndex Summary(/*IsPerformingAnalysis=*/false);
+ ModuleSummaryIndex Summary;
// Handle the command-line summary arguments. This code is for testing
// purposes only, so we handle errors directly.
diff --git a/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp b/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
index aa1755bb097..8c7eb48f2ff 100644
--- a/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
+++ b/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
@@ -584,7 +584,7 @@ PreservedAnalyses WholeProgramDevirtPass::run(Module &M,
bool DevirtModule::runForTesting(
Module &M, function_ref<AAResults &(Function &)> AARGetter,
function_ref<OptimizationRemarkEmitter &(Function *)> OREGetter) {
- ModuleSummaryIndex Summary(/*IsPerformingAnalysis=*/false);
+ ModuleSummaryIndex Summary;
// Handle the command-line summary arguments. This code is for testing
// purposes only, so we handle errors directly.
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