diff options
Diffstat (limited to 'llvm/lib/Bitcode/Reader')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 4d004dcb735..60cc2eea8c3 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -828,6 +828,9 @@ private: bool HasRelBF); Error parseEntireSummary(unsigned ID); Error parseModuleStringTable(); + void parseTypeIdCompatibleVtableSummaryRecord(ArrayRef<uint64_t> Record); + void parseTypeIdCompatibleVtableInfo(ArrayRef<uint64_t> Record, size_t &Slot, + TypeIdCompatibleVtableInfo &TypeId); std::pair<ValueInfo, GlobalValue::GUID> getValueInfoFromValueId(unsigned ValueId); @@ -5657,6 +5660,27 @@ static void parseTypeIdSummaryRecord(ArrayRef<uint64_t> Record, parseWholeProgramDevirtResolution(Record, Strtab, Slot, TypeId); } +void ModuleSummaryIndexBitcodeReader::parseTypeIdCompatibleVtableInfo( + ArrayRef<uint64_t> Record, size_t &Slot, + TypeIdCompatibleVtableInfo &TypeId) { + uint64_t Offset = Record[Slot++]; + ValueInfo Callee = getValueInfoFromValueId(Record[Slot++]).first; + TypeId.push_back({Offset, Callee}); +} + +void ModuleSummaryIndexBitcodeReader::parseTypeIdCompatibleVtableSummaryRecord( + ArrayRef<uint64_t> Record) { + size_t Slot = 0; + TypeIdCompatibleVtableInfo &TypeId = + TheIndex.getOrInsertTypeIdCompatibleVtableSummary( + {Strtab.data() + Record[Slot], + static_cast<size_t>(Record[Slot + 1])}); + Slot += 2; + + while (Slot < Record.size()) + parseTypeIdCompatibleVtableInfo(Record, Slot, TypeId); +} + static void setImmutableRefs(std::vector<ValueInfo> &Refs, unsigned Count) { // Read-only refs are in the end of the refs list. for (unsigned RefNo = Refs.size() - Count; RefNo < Refs.size(); ++RefNo) @@ -5883,6 +5907,34 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) { TheIndex.addGlobalValueSummary(GUID.first, std::move(FS)); break; } + // FS_PERMODULE_VTABLE_GLOBALVAR_INIT_REFS: [valueid, flags, varflags, + // numrefs, numrefs x valueid, + // n x (valueid, offset)] + case bitc::FS_PERMODULE_VTABLE_GLOBALVAR_INIT_REFS: { + unsigned ValueID = Record[0]; + uint64_t RawFlags = Record[1]; + GlobalVarSummary::GVarFlags GVF = getDecodedGVarFlags(Record[2]); + unsigned NumRefs = Record[3]; + unsigned RefListStartIndex = 4; + unsigned VTableListStartIndex = RefListStartIndex + NumRefs; + auto Flags = getDecodedGVSummaryFlags(RawFlags, Version); + std::vector<ValueInfo> Refs = makeRefList( + ArrayRef<uint64_t>(Record).slice(RefListStartIndex, NumRefs)); + VTableFuncList VTableFuncs; + for (unsigned I = VTableListStartIndex, E = Record.size(); I != E; ++I) { + ValueInfo Callee = getValueInfoFromValueId(Record[I]).first; + uint64_t Offset = Record[++I]; + VTableFuncs.push_back({Callee, Offset}); + } + auto VS = + llvm::make_unique<GlobalVarSummary>(Flags, GVF, std::move(Refs)); + VS->setModulePath(getThisModule()->first()); + VS->setVTableFuncs(VTableFuncs); + auto GUID = getValueInfoFromValueId(ValueID); + VS->setOriginalName(GUID.second); + TheIndex.addGlobalValueSummary(GUID.first, std::move(VS)); + break; + } // FS_COMBINED: [valueid, modid, flags, instcount, fflags, numrefs, // numrefs x valueid, n x (valueid)] // FS_COMBINED_PROFILE: [valueid, modid, flags, instcount, fflags, numrefs, @@ -6049,6 +6101,10 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) { case bitc::FS_TYPE_ID: parseTypeIdSummaryRecord(Record, Strtab, TheIndex); break; + + case bitc::FS_TYPE_ID_METADATA: + parseTypeIdCompatibleVtableSummaryRecord(Record); + break; } } llvm_unreachable("Exit infinite loop"); |
