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[embedded] Add basics of module serialization, importing and validation in embedded Swift.

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- Add a flag to the serialized module (IsEmbeddedSwiftModule)
- Check on import that the mode matches (don't allow importing non-embedded module in embedded mode and vice versa)
- Drop TBD support, it's not expected to work in embedded Swift for now
- Drop auto-linking backdeploy libraries, it's not expected to backdeploy embedded Swift for now
- Drop prespecializations, not expected to work in embedded Swift for now
- Use CMO to serialize everything when emitting an embedded Swift module
- Change SILLinker to deserialize/import everything when importing an embedded Swift module
- Add an IR test for importing modules
- Add a deserialization validation test
This commit is contained in:
Kuba Mracek
2023-09-02 11:55:17 -07:00
parent 74e22dc450
commit 25eb997a28
25 changed files with 188 additions and 21 deletions
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4
lib/Serialization/ModuleFileSharedCore.cpp
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@@ -158,6 +158,9 @@ static bool readOptionsBlock(llvm::BitstreamCursor &cursor,
case options_block::HAS_HERMETIC_SEAL_AT_LINK:
extendedInfo.setHasHermeticSealAtLink(true);
break;
case options_block::IS_EMBEDDED_SWIFT_MODULE:
extendedInfo.setIsEmbeddedSwiftModule(true);
break;
case options_block::IS_TESTABLE:
extendedInfo.setIsTestable(true);
break;
@@ -1405,6 +1408,7 @@ ModuleFileSharedCore::ModuleFileSharedCore(
Bits.IsSIB = extInfo.isSIB();
Bits.IsStaticLibrary = extInfo.isStaticLibrary();
Bits.HasHermeticSealAtLink = extInfo.hasHermeticSealAtLink();
Bits.IsEmbeddedSwiftModule = extInfo.isEmbeddedSwiftModule();
Bits.IsTestable = extInfo.isTestable();
Bits.ResilienceStrategy = unsigned(extInfo.getResilienceStrategy());
Bits.IsImplicitDynamicEnabled = extInfo.isImplicitDynamicEnabled();