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47 lines
1.7 KiB
Plaintext
47 lines
1.7 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all -O %s | %FileCheck %s
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sil_stage raw
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import Swift
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public class SelfCasts {
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}
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// CHECK-LABEL: sil @$dynamic_self_cast_1 : $@convention(method) (@guaranteed SelfCasts, @thick SelfCasts.Type) -> @owned Optional<SelfCasts>
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sil @$dynamic_self_cast_1 : $@convention(method) (@guaranteed SelfCasts, @thick SelfCasts.Type) -> @owned Optional<SelfCasts> {
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bb0(%0 : $SelfCasts, %1 : $@thick SelfCasts.Type):
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strong_retain %0 : $SelfCasts
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// CHECK: checked_cast_br
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checked_cast_br %0 : $SelfCasts to @dynamic_self SelfCasts, bb1, bb2
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bb1(%7 : $SelfCasts):
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%8 = enum $Optional<SelfCasts>, #Optional.some!enumelt, %7 : $SelfCasts
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br bb3(%8 : $Optional<SelfCasts>)
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bb2:
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strong_release %0 : $SelfCasts
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%11 = enum $Optional<SelfCasts>, #Optional.none!enumelt
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br bb3(%11 : $Optional<SelfCasts>)
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bb3(%13 : $Optional<SelfCasts>):
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return %13 : $Optional<SelfCasts>
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}
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// CHECK-LABEL: sil @$dynamic_self_cast_2 : $@convention(method) (@guaranteed SelfCasts, @thick SelfCasts.Type) -> @owned Optional<SelfCasts>
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sil @$dynamic_self_cast_2 : $@convention(method) (@guaranteed SelfCasts, @thick SelfCasts.Type) -> @owned Optional<SelfCasts> {
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bb0(%0 : $SelfCasts, %1 : $@thick SelfCasts.Type):
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strong_retain %0 : $SelfCasts
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// CHECK-NOT: checked_cast_br
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checked_cast_br %0 : $SelfCasts to SelfCasts, bb1, bb2
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bb1(%7 : $SelfCasts):
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%8 = enum $Optional<SelfCasts>, #Optional.some!enumelt, %7 : $SelfCasts
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br bb3(%8 : $Optional<SelfCasts>)
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bb2:
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strong_release %0 : $SelfCasts
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%11 = enum $Optional<SelfCasts>, #Optional.none!enumelt
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br bb3(%11 : $Optional<SelfCasts>)
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bb3(%13 : $Optional<SelfCasts>):
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return %13 : $Optional<SelfCasts>
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}
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