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// RUN: %target-sil-opt -enable-sil-verify-all %s -specdevirt -code-sinking -emit-sorted-sil | %FileCheck %s
sil_stage canonical
import Builtin
import Swift
class Foo {
func ping() -> Int
}
sil @_TFC4main3Foo4pingfS0_FT_Si : $@convention(method) (@guaranteed Foo) -> Int
sil @_TFC4main3FoocfMS0_FT_S0_ : $@convention(method) (@owned Foo) -> @owned Foo
// CHECK-LABEL: _TF4main7my_mainFCS_3FooSi
// CHECK: bb0
// CHECK-NOT: strong_retain
// CHECK: checked_cast_br [exact] Foo in %0 : $Foo to Foo
// CHECK: bb1
// CHECK: class_method
// CHECK-NEXT: apply
// CHECK: strong_release
// CHECK: bb2
// CHECK: function_ref
// CHECK: apply
// CHECK: strong_release
// CHECK: bb3
// CHECK-NOT: strong_release
sil @_TF4main7my_mainFCS_3FooSi : $@convention(thin) (@owned Foo) -> Int {
bb0(%0 : $Foo):
debug_value %0 : $Foo, let, name "x" // id: %1
%3 = class_method %0 : $Foo, #Foo.ping : (Foo) -> () -> Int, $@convention(method) (@guaranteed Foo) -> Int // user: %4
%4 = apply %3(%0) : $@convention(method) (@guaranteed Foo) -> Int // user: %6
strong_release %0 : $Foo // id: %5
return %4 : $Int // id: %6
}
sil_vtable Foo {
#Foo.ping: @_TFC4main3Foo4pingfS0_FT_Si // main.Foo.ping (main.Foo)() -> Swift.Int
#Foo.init!initializer: @_TFC4main3FoocfMS0_FT_S0_ // main.Foo.init (main.Foo.Type)() -> main.Foo
}
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