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29 lines
722 B
Swift
29 lines
722 B
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o - | FileCheck %s
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func markUsed<T>(t: T) {}
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class AClass {
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func f () -> Int64 { return 1 }
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}
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class AnotherClass : AClass {
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override func f() -> Int64 { return 2 }
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}
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struct AStruct {
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func f() -> Int64 { return 3 }
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}
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// CHECK: define hidden void @_TF9nostorage3appFT_T_()
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func app() {
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var ac: AClass = AnotherClass()
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// No members? No storage! Emitted as a constant 0, because.
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// CHECK: call void @llvm.dbg.value(metadata {{.*}}, i64 0, metadata ![[AT:.*]], metadata !{{[0-9]+}}), !dbg
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// CHECK: ![[AT]] = !DILocalVariable(name: "at",
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// CHECK-SAME: line: [[@LINE+1]]
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var at = AStruct()
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markUsed("\(ac.f()) \(at.f())")
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}
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app()
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