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[Serialization] Serialize mtime with nanosecond precision

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There's no reason to lose accuracy here.
This commit is contained in:
Rintaro Ishizaki
2021-01-14 09:52:35 -08:00
parent 36cfd10041
commit 4e391119e0
2 changed files with 6 additions and 5 deletions
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5
lib/Serialization/ModuleFile.cpp
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@@ -974,7 +974,7 @@ void ModuleFile::collectBasicSourceFileInfo(
auto fpStr = StringRef{reinterpret_cast<const char *>(Cursor),
Fingerprint::DIGEST_LENGTH};
Cursor += Fingerprint::DIGEST_LENGTH;
// LastModified (seconds since epoch).
// LastModified (nanoseconds since epoch).
auto timestamp = endian::readNext<uint64_t, little, unaligned>(Cursor);
// FileSize (num of bytes).
auto fileSize = endian::readNext<uint64_t, little, unaligned>(Cursor);
@@ -987,7 +987,8 @@ void ModuleFile::collectBasicSourceFileInfo(
BasicSourceFileInfo info;
info.FilePath = filePath;
info.InterfaceHash = Fingerprint::fromString(fpStr);
info.LastModified = llvm::sys::TimePoint<>(std::chrono::seconds(timestamp));
info.LastModified =
llvm::sys::TimePoint<>(std::chrono::nanoseconds(timestamp));
info.FileSize = fileSize;
callback(info);
}