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ff22da20c3
This allows the debugger to distinguish constant "let" values from mutable "var" variables. rdar://problem/16042546
53 lines
1.9 KiB
Swift
53 lines
1.9 KiB
Swift
// RUN: %target-swift-frontend -module-name generic_args -primary-file %s -emit-ir -verify -g -o - | %FileCheck %s -allow-deprecated-dag-overlap
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func markUsed<T>(_ t: T) {}
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protocol AProtocol {
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func f() -> String
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}
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class AClass : AProtocol {
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func f() -> String { return "A" }
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}
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class AnotherClass : AProtocol {
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func f() -> String { return "B" }
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}
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// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "$sq_D",
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// CHECK-DAG: !DILocalVariable(name: "x", arg: 1,{{.*}} type: ![[LET_T:.*]])
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// CHECK-DAG: ![[LET_T]] = !DIDerivedType(tag: DW_TAG_const_type, baseType: ![[T:.*]])
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// CHECK-DAG: ![[T]] = !DICompositeType(tag: DW_TAG_structure_type, name: "$sxD"
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// CHECK-DAG: !DILocalVariable(name: "y", arg: 2,{{.*}} type: ![[LET_Q:.*]])
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// CHECK-DAG: ![[LET_Q]] = !DIDerivedType(tag: DW_TAG_const_type, baseType: ![[Q:.*]])
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// CHECK-DAG: ![[Q]] = !DICompositeType(tag: DW_TAG_structure_type, name: "$sq_D"
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func aFunction<T : AProtocol, Q : AProtocol>(_ x: T, _ y: Q, _ z: String) {
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markUsed("I am in \(z): \(x.f()) \(y.f())")
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}
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aFunction(AClass(),AnotherClass(),"aFunction")
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struct Wrapper<T: AProtocol> {
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init<U>(from : Wrapper<U>) {
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// CHECK-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "Wrapper",{{.*}} identifier: "$s12generic_args7WrapperVyqd__GD")
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var wrapped = from
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wrapped = from
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_ = wrapped
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}
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func passthrough(_ t: T) -> T {
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// CHECK-DAG: ![[WRAPPER:.*]] = !DICompositeType({{.*}}identifier: "$s12generic_args7WrapperVyxGD")
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// CHECK-DAG: !DILocalVariable(name: "local",{{.*}} line: [[@LINE+1]],{{.*}} type: ![[T]]
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var local = t
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local = t
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return local
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}
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}
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// CHECK-DAG: ![[FNTY:.*]] = !DICompositeType({{.*}}identifier: "$sxq_Ignr_D"
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// CHECK-DAG: ![[LET_FNTY:.*]] = !DIDerivedType(tag: DW_TAG_const_type, baseType: ![[FNTY]])
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// CHECK-DAG: !DILocalVariable(name: "f", {{.*}}, line: [[@LINE+1]], type: ![[LET_FNTY]])
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func apply<T, U> (_ x: T, f: (T) -> (U)) -> U {
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return f(x)
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}
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