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2969c4a7a6
just making them thin. Among other things, this allows us to pass the metatype self value with the swiftself convention, which has various advantages.
36 lines
946 B
Swift
36 lines
946 B
Swift
// RUN: %target-swift-frontend -Xllvm -sil-full-demangle -O -emit-sil -primary-file %s | FileCheck %s
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//
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// This is a .swift test because the SIL parser does not support Self.
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class C {
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required init() {}
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}
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class SubC : C {}
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var g: AnyObject = SubC()
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@inline(never)
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func gen<R>() -> R {
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return g as! R
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}
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extension C {
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@inline(__always)
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class func factory(_ z: Int) -> Self {
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return gen()
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}
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}
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// Do not inline C.factory into main. Doing so would lose the ability
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// to materialize local Self metadata.
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//
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// CHECK-LABEL: sil @main : $@convention(c)
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// CHECK: function_ref static inline_self.C.factory (Swift.Int) -> Self
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// CHECK: [[F:%[0-9]+]] = function_ref @_TZFC11inline_self1C7factory{{.*}} : $@convention(method) (Int, @thick C.Type) -> @owned C
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// CHECK: apply [[F]](%{{.+}}, %{{.+}}) : $@convention(method) (Int, @thick C.Type) -> @owned C
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// Call the function so it can be inlined.
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var x = C()
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var x2 = C.factory(1)
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