sil: load [copy] affects reference counting #84333
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Based on what I see from OwnershipModelEliminator, `%x = load [copy] %y` can turn into a plain load followed by a retain of the loaded value. See `NonTrivialLoadableTypeLowering::emitLoad`
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Based on what I see from OwnershipModelEliminator,
%x = load [copy] %ycan turn into:See
NonTrivialLoadableTypeLowering::emitLoad