[SIL][PackageCMO] Fix dispatch thunk linker error and update table serialization #74070
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[SIL][PackageCMO] Fix dispatch thunk linker error and update table serialization #74070
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* Do not use [serialized_for_package] for witness method before Package CMO.
* Update v-table and witness-table and their entry serialization.
-- Allow non-serialized but visible entries in a serialized table so they
can be optimized by other SIL opt passes.
* Only serialize MethodInst if it has the right visibility.
Resolves rdar://129089105&129088935
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aschwaighofer
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Jun 3, 2024
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aschwaighofer
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This looks reasonable to me.
acknowleding that there will be a future patch that:
- does not set the serialized attribute for package serialization in SILGen
- implement a systematic way (refactoring a type and a decl visitor for instructions as @slavapestov has eluded to earlier) to find instructions that block package serialization
this can be done in later PRs
nkcsgexi
reviewed
Jun 3, 2024
| return !method->hasValidLinkageForFragileRef(getRightSerializedKind(M)); | ||
| }); | ||
| if (!containsInternal) | ||
| wt.setSerializedKind(getRightSerializedKind(M)); |
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the logics for serializing v-table and w-table are very much alike. Can we extract a common function to handle both?
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Some of these checks might not be necessary but added as a caution as mentioned in the comments; will follow up and remove them if found to be unnecessary.
Update lambda in table serialization. Add more tests.
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Does this PR #73902 need to be merged first? It seems this PR would have a dependency on it. |
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yup, merged. |
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Resolves rdar://129089105&129088935