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32 lines
1007 B
Swift
32 lines
1007 B
Swift
// RUN: %target-swift-frontend -Xllvm -sil-full-demangle -O -sil-inline-threshold 0 -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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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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class func factory(_ z: Int) -> Self {
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return gen()
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}
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}
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// The integer argument is truly dead, but the C.Type metadata argument may not be removed.
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// function signature specialization <Arg[0] = Dead> of static functionsigopts_self.C.factory (functionsigopts_self.C.Type)(Swift.Int) -> Self
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// CHECK-LABEL: sil shared @$s20functionsigopts_self1CC7factory{{[_0-9a-zA-Z]*}}FZTf4dn_n : $@convention(method) (@thick C.Type) -> @owned C
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// CHECK: bb0(%0 : $@thick C.Type):
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// CHECK: function_ref functionsigopts_self.gen<A>() -> A
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// CHECK: apply %{{[0-9]+}}<@dynamic_self C>
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// Call the function so the specialization is not dead.
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var x = C()
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var x2 = C.factory(1)
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