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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
// RUN: %target-swift-frontend -emit-ir %s -module-name main | %FileCheck %s
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sil_stage canonical
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struct Box<T> {
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@inline(never)
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static func foo() {}
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}
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// Reference a function in a way that will be specialized.
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sil @test : $@convention(thin) () -> () {
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bb0:
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// function_ref static Box.foo() -> ()
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%0 = function_ref @$s4main3BoxV3fooyyFZ : $@convention(thin) <τ_0_0> (@thin Box<τ_0_0>.Type) -> () // user: %2
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%1 = metatype $@thin Box<()>.Type // user: %2
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%2 = apply %0<()>(%1) : $@convention(thin) <τ_0_0> (@thin Box<τ_0_0>.Type) -> ()
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%3 = tuple () // user: %4
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return %3 : $() // id: %4
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}
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// This is the unspecialized form.
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sil hidden @$s4main3BoxV3fooyyFZ : $@convention(thin) <T> (@thin Box<T>.Type) -> () {
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bb0(%0 : $@thin Box<T>.Type):
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%1 = tuple ()
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return %1 : $()
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}
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// generic specialization <()> of static main.Box.foo () -> ()
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// This specialization is one that would be matched by the prespecialization
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// pass.
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sil shared @$s4main3BoxV3fooyyFZyt_Tg5 : $@convention(thin) (@thin Box<()>.Type) -> () {
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bb0(%0 : $@thin Box<()>.Type):
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%1 = tuple ()
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return %1 : $()
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}
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// CHECK-DAG: define linkonce_odr hidden swiftcc void @"$s4main3BoxV3fooyyFZyt_Tg5"() {{.*}}{
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// CHECK-DAG: call swiftcc void @"$s4main3BoxV3fooyyFZyt_Tg5"()
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