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25 lines
1.0 KiB
Plaintext
25 lines
1.0 KiB
Plaintext
// RUN: %target-sil-opt %s -verify | FileCheck %s
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import Swift
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public protocol mmOutputStreamType {
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/// Append the given `string` to this stream.
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mutating func write(string: String)
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}
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public protocol mmStreamable {
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func writeTo<Target : mmOutputStreamType>(inout target: Target)
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}
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// CHECK-LABEL: sil @test : $@convention(thin) () -> () {
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sil @test : $() -> () {
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bb0:
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%281 = alloc_stack $mmStreamable
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%282 = open_existential_addr %281#1 : $*mmStreamable to $*@opened("01234567-89ab-cdef-0123-000000000000") mmStreamable
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// CHECK: witness_method $@opened({{.*}}) mmStreamable, #mmStreamable.writeTo!1
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%293 = witness_method $@opened("01234567-89ab-cdef-0123-000000000000") mmStreamable, #mmStreamable.writeTo!1, %282 : $*@opened("01234567-89ab-cdef-0123-000000000000") mmStreamable : $@convention(witness_method) @callee_owned <T_0_0, T_1_0 where T_0_0 : mmStreamable, T_1_0 : mmOutputStreamType> (@inout T_1_0, @inout T_0_0) -> ()
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dealloc_stack %281#0 : $*@local_storage mmStreamable
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%1 = tuple ()
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return %1 : $()
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}
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