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[Assembler] Emit summary index flags

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Differential revision: https://reviews.llvm.org/D74420
This commit is contained in:
evgeny
2020-02-18 17:49:54 +03:00
parent 37c452a289
commit c85055b203
8 changed files with 99 additions and 54 deletions
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30
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -5836,35 +5836,7 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) {
default: // Default behavior: ignore.
break;
case bitc::FS_FLAGS: { // [flags]
uint64_t Flags = Record[0];
// Scan flags.
assert(Flags <= 0x3f && "Unexpected bits in flag");
// 1 bit: WithGlobalValueDeadStripping flag.
// Set on combined index only.
if (Flags & 0x1)
TheIndex.setWithGlobalValueDeadStripping();
// 1 bit: SkipModuleByDistributedBackend flag.
// Set on combined index only.
if (Flags & 0x2)
TheIndex.setSkipModuleByDistributedBackend();
// 1 bit: HasSyntheticEntryCounts flag.
// Set on combined index only.
if (Flags & 0x4)
TheIndex.setHasSyntheticEntryCounts();
// 1 bit: DisableSplitLTOUnit flag.
// Set on per module indexes. It is up to the client to validate
// the consistency of this flag across modules being linked.
if (Flags & 0x8)
TheIndex.setEnableSplitLTOUnit();
// 1 bit: PartiallySplitLTOUnits flag.
// Set on combined index only.
if (Flags & 0x10)
TheIndex.setPartiallySplitLTOUnits();
// 1 bit: WithAttributePropagation flag.
// Set on combined index only.
if (Flags & 0x20)
TheIndex.setWithAttributePropagation();
TheIndex.setFlags(Record[0]);
break;
}
case bitc::FS_VALUE_GUID: { // [valueid, refguid]