[6.0] [PackageCMO] Support inlinability with [serialized_for_package] #73876
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elsh wants to merge 1 commit intorelease/6.0from
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[6.0] [PackageCMO] Support inlinability with [serialized_for_package] #73876elsh wants to merge 1 commit intorelease/6.0from
elsh wants to merge 1 commit intorelease/6.0from
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[serialized_for_package] if Package CMO is enabled. The latter kind allows a function to be serialized even if it contains loadable types, if Package CMO is enabled. Renamed IsSerialized_t as SerializedKind_t. The tri-state serialization kind requires validating inlinability depending on the serialization kinds of callee vs caller; e.g. if the callee is [serialized_for_package], the caller must be _not_ [serialized]. Renamed `hasValidLinkageForFragileInline` as `canBeInlinedIntoCaller` that takes in its caller's SerializedKind as an argument. Another argument `assumeFragileCaller` is also added to ensure that the calle sites of this function know the caller is serialized unless it's called for SIL inlining optimization passes. The [serialized_for_package] attribute is allowed for SIL function, global var, v-table, and witness-table. Resolves rdar://128406520
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I was thinking the same. Some of the previous PRs contain changes that have gotten reverted due to further updates so it might be easier to squash all or at least into a few and cherry-pick those. |
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Included in #73993 |
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serialized_for_pkg. Adds a new inlinability rule depending on the caller and callee SerializedKind to allow more inlining during Package CMO.