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Differential D58064 Diff 186284 lib/Bitcode/Writer/BitcodeWriter.cpp

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lib/Bitcode/Writer/BitcodeWriter.cpp

Show First 20 Lines • Show All 3,650 Lines • ▼ Show 20 Linesvoid ModuleBitcodeWriterBase::writePerModuleGlobalValueSummary() {
Stream.EnterSubblock(IsThinLTO ? bitc::GLOBALVAL_SUMMARY_BLOCK_ID Stream.EnterSubblock(IsThinLTO ? bitc::GLOBALVAL_SUMMARY_BLOCK_ID
: bitc::FULL_LTO_GLOBALVAL_SUMMARY_BLOCK_ID, : bitc::FULL_LTO_GLOBALVAL_SUMMARY_BLOCK_ID,
4); 4);
Stream.EmitRecord(bitc::FS_VERSION, ArrayRef<uint64_t>{INDEX_VERSION}); Stream.EmitRecord(bitc::FS_VERSION, ArrayRef<uint64_t>{INDEX_VERSION});
// Write the index flags. // Write the index flags.
uint64_t Flags = 0; uint64_t Flags = 0;
// Bits 1-3 are set only in the combined index, skip them. // Bits 1-3 and 5 are set only in the combined index, skip them.
if (Index->enableSplitLTOUnit()) if (Index->enableSplitLTOUnit())
Flags |= 0x8; Flags |= 0x8;
if (Index->flattenedProfileUsed())
Flags |= 0x20;
Stream.EmitRecord(bitc::FS_FLAGS, ArrayRef<uint64_t>{Flags}); Stream.EmitRecord(bitc::FS_FLAGS, ArrayRef<uint64_t>{Flags});
if (Index->begin() == Index->end()) { if (Index->begin() == Index->end()) {
Stream.ExitBlock(); Stream.ExitBlock();
return; return;
} }
for (const auto &GVI : valueIds()) { for (const auto &GVI : valueIds()) {
▲ Show 20 Lines • Show All 106 Lines • ▼ Show 20 Linesvoid IndexBitcodeWriter::writeCombinedGlobalValueSummary() {
if (Index.skipModuleByDistributedBackend()) if (Index.skipModuleByDistributedBackend())
Flags |= 0x2; Flags |= 0x2;
if (Index.hasSyntheticEntryCounts()) if (Index.hasSyntheticEntryCounts())
Flags |= 0x4; Flags |= 0x4;
if (Index.enableSplitLTOUnit()) if (Index.enableSplitLTOUnit())
Flags |= 0x8; Flags |= 0x8;
if (Index.partiallySplitLTOUnits()) if (Index.partiallySplitLTOUnits())
Flags |= 0x10; Flags |= 0x10;
if (Index.flattenedProfileUsed())
Flags |= 0x20;
Stream.EmitRecord(bitc::FS_FLAGS, ArrayRef<uint64_t>{Flags}); Stream.EmitRecord(bitc::FS_FLAGS, ArrayRef<uint64_t>{Flags});
for (const auto &GVI : valueIds()) { for (const auto &GVI : valueIds()) {
Stream.EmitRecord(bitc::FS_VALUE_GUID, Stream.EmitRecord(bitc::FS_VALUE_GUID,
ArrayRef<uint64_t>{GVI.second, GVI.first}); ArrayRef<uint64_t>{GVI.second, GVI.first});
} }
// Abbrev for FS_COMBINED. // Abbrev for FS_COMBINED.
▲ Show 20 Lines • Show All 743 Lines • Show Last 20 Lines