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Serialization: embed subminor and build version in the user module version entry

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Xi Ge
2021-05-17 10:11:04 -07:00
parent f832153e28
commit 5c5715f626
5 changed files with 36 additions and 7 deletions
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14
lib/Serialization/ModuleFileSharedCore.cpp
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@@ -255,9 +255,21 @@ validateControlBlock(llvm::BitstreamCursor &cursor,
switch (scratch.size()) {
default:
// Add new cases here, in descending order.
case 8:
case 7:
case 6:
case 5: {
result.userModuleVersion = llvm::VersionTuple(scratch[4], scratch[5]);
auto subMinor = 0;
auto build = 0;
// case 7 and 8 were added after case 5 and 6, so we need to have this
// special handling to make sure we can still load the module without
// case 7 and case 8 successfully.
if (scratch.size() >= 8) {
subMinor = scratch[6];
build = scratch[7];
}
result.userModuleVersion = llvm::VersionTuple(scratch[4], scratch[5],
subMinor, build);
LLVM_FALLTHROUGH;
}
case 4: