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c08bd5668e
This removes the IsolatedConformances feature gate from SILGen for dynamic casts, such that all dynamic casts that will not work with isolated conformances are marked as such. Isolated conformances can still only come into a program when part of it enables the feature flag.
42 lines
1.6 KiB
Swift
42 lines
1.6 KiB
Swift
// RUN: %target-swift-frontend -target %target-swift-5.1-abi-triple -Xllvm -sil-print-types -emit-silgen -verify %s | %FileCheck %s
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protocol P { }
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protocol Q: Sendable { }
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// CHECK-LABEL: sil hidden [ossa] @$s24isolated_conformance_sil7castToPyyypF
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func castToP(_ value: Any) {
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// CHECK: checked_cast_addr_br take_always Any in [[SOURCE:%[0-9]+]] : $*Any to any P
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if let p = value as? any P {
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_ = p
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s24isolated_conformance_sil8castToPQyyypF
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func castToPQ(_ value: Any) {
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// CHECK: checked_cast_addr_br [prohibit_isolated_conformances] take_always Any in [[SOURCE:%[0-9]+]] : $*Any to any P & Q
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if let pq = value as? any P & Q {
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_ = pq
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s24isolated_conformance_sil13forceCastToPQyyypF
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func forceCastToPQ(_ value: Any) {
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// CHECK: unconditional_checked_cast_addr [prohibit_isolated_conformances] Any in [[SOURCE:%[0-9]+]] : $*Any to any P & Q in
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_ = value as! any P & Q
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}
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// CHECK-LABEL: sil hidden [ossa] @$s24isolated_conformance_sil14objectCastToPQyyyXlF
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func objectCastToPQ(_ value: AnyObject) {
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// CHECK: checked_cast_br [prohibit_isolated_conformances] AnyObject in [[SOURCE:%[0-9]+]] : $AnyObject to any P & Q & AnyObject
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if let p = value as? any AnyObject & P & Q {
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_ = p
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}
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}
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// CHECK-LABEL: sil hidden [ossa] @$s24isolated_conformance_sil19objectForceCastToPQyyyXlF
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func objectForceCastToPQ(_ value: AnyObject) {
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// CHECK: unconditional_checked_cast [prohibit_isolated_conformances] [[SOURCE:%[0-9]+]] : $AnyObject to any P & Q & AnyObject
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_ = value as! any AnyObject & P & Q
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}
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