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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2017-06-01 20:30:06 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2017-06-01 20:30:06 +0000 |
| commit | 56584bbf16d70fbf2f07b5ce1a2fbf15f447abe5 (patch) | |
| tree | a5cf460521bbe07a6f3e1d0799bd71a7a806e8eb /llvm/lib/Bitcode | |
| parent | a5dbbc6eada042cc86628da235829b715cec543d (diff) | |
| download | bcm5719-llvm-56584bbf16d70fbf2f07b5ce1a2fbf15f447abe5.tar.gz bcm5719-llvm-56584bbf16d70fbf2f07b5ce1a2fbf15f447abe5.zip | |
(NFC) Track global summary liveness in GVFlags.
Replace GVFlags::LiveRoot with GVFlags::Live and use that instead of
all the DeadSymbols sets. This is refactoring in order to make
liveness information available in the RegularLTO pipeline.
llvm-svn: 304466
Diffstat (limited to 'llvm/lib/Bitcode')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 6 | ||||
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 686c9468766..fffa9045b2f 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -865,11 +865,11 @@ static GlobalValueSummary::GVFlags getDecodedGVSummaryFlags(uint64_t RawFlags, auto Linkage = GlobalValue::LinkageTypes(RawFlags & 0xF); // 4 bits RawFlags = RawFlags >> 4; bool NotEligibleToImport = (RawFlags & 0x1) || Version < 3; - // The LiveRoot flag wasn't introduced until version 3. For dead stripping + // The Live flag wasn't introduced until version 3. For dead stripping // to work correctly on earlier versions, we must conservatively treat all // values as live. - bool LiveRoot = (RawFlags & 0x2) || Version < 3; - return GlobalValueSummary::GVFlags(Linkage, NotEligibleToImport, LiveRoot); + bool Live = (RawFlags & 0x2) || Version < 3; + return GlobalValueSummary::GVFlags(Linkage, NotEligibleToImport, Live); } static GlobalValue::VisibilityTypes getDecodedVisibility(unsigned Val) { diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index a402b4ddd46..421dc261604 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -864,7 +864,7 @@ static uint64_t getEncodedGVSummaryFlags(GlobalValueSummary::GVFlags Flags) { uint64_t RawFlags = 0; RawFlags |= Flags.NotEligibleToImport; // bool - RawFlags |= (Flags.LiveRoot << 1); + RawFlags |= (Flags.Live << 1); // Linkage don't need to be remapped at that time for the summary. Any future // change to the getEncodedLinkage() function will need to be taken into // account here as well. |
