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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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14
lib/SILOptimizer/Utils/SILInliner.cpp
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@@ -1126,17 +1126,19 @@ InlineCost swift::instructionInlineCost(SILInstruction &I) {
case SILInstructionKind::Name##ToRefInst: \
case SILInstructionKind::RefTo##Name##Inst: \
case SILInstructionKind::StrongCopy##Name##ValueInst:
#define NEVER_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
case SILInstructionKind::Load##Name##Inst: \
case SILInstructionKind::Store##Name##Inst:
#define NEVER_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
case SILInstructionKind::Load##Name##Inst: \
case SILInstructionKind::Store##Name##Inst: \
case SILInstructionKind::StrongCopy##Name##ValueInst:
#define ALWAYS_LOADABLE_CHECKED_REF_STORAGE(Name, ...) \
COMMON_ALWAYS_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name) \
case SILInstructionKind::Name##RetainInst: \
case SILInstructionKind::Name##ReleaseInst: \
case SILInstructionKind::StrongRetain##Name##Inst:
#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, ...) \
case SILInstructionKind::Load##Name##Inst: \
case SILInstructionKind::Store##Name##Inst: \
ALWAYS_LOADABLE_CHECKED_REF_STORAGE(Name, "...")
#define UNCHECKED_REF_STORAGE(Name, ...) \
COMMON_ALWAYS_OR_SOMETIMES_LOADABLE_CHECKED_REF_STORAGE(Name)
#include "swift/AST/ReferenceStorage.def"