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[SIL] Added strong_copy_weak_value.

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The new instruction unwraps an `@sil_weak` box and produces an owned
value. It is only legal in opaque values mode and is transformed by
`AddressLowering` to `load_weak`.
This commit is contained in:
Nate Chandler
2023-07-31 07:13:12 -07:00
parent c44b23c954
commit e135c5cac7
22 changed files with 265 additions and 106 deletions
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11
lib/SIL/IR/ValueOwnership.cpp
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@@ -49,15 +49,18 @@ public:
return OwnershipKind::OWNERSHIP; \
}
#define NEVER_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
#define NEVER_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
CONSTANT_OWNERSHIP_INST(Owned, StrongCopy##Name##Value) \
CONSTANT_OWNERSHIP_INST(Owned, Load##Name)
#define ALWAYS_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
CONSTANT_OWNERSHIP_INST(Unowned, RefTo##Name) \
CONSTANT_OWNERSHIP_INST(Unowned, Name##ToRef) \
CONSTANT_OWNERSHIP_INST(Owned, StrongCopy##Name##Value)
#define SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
NEVER_LOADABLE_CHECKED_REF_STORAGE(Name, "...") \
ALWAYS_LOADABLE_CHECKED_REF_STORAGE(Name, "...")
#define SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
CONSTANT_OWNERSHIP_INST(Owned, Load##Name) \
CONSTANT_OWNERSHIP_INST(Unowned, RefTo##Name) \
CONSTANT_OWNERSHIP_INST(Unowned, Name##ToRef) \
CONSTANT_OWNERSHIP_INST(Owned, StrongCopy##Name##Value)
#define UNCHECKED_REF_STORAGE(Name, ...) \
CONSTANT_OWNERSHIP_INST(None, RefTo##Name) \
CONSTANT_OWNERSHIP_INST(Unowned, Name##ToRef) \