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b2619efb3c
Make error variables accessible to a fresh debug scope for the catch clause. rdar://85982381
54 lines
1.3 KiB
Swift
54 lines
1.3 KiB
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s
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enum MyError : Error {
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case Yikes
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}
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func throwing() throws -> () {
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throw MyError.Yikes
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}
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func use<T>(_ t: T) {}
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// CHECK-LABEL: define {{.*}}explicitBinding{{.*}}
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public func explicitBinding() {
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do {
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try throwing()
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}
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catch let error {
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// CHECK: call void @llvm.dbg.declare(metadata %swift.error** %{{.*}}, metadata ![[EXPLICIT_ERROR:[0-9]+]],
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use(error)
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}
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}
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explicitBinding()
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// CHECK-LABEL: define {{.*}}implicitBinding{{.*}}
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public func implicitBinding() {
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do {
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try throwing()
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}
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catch {
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// CHECK: call void @llvm.dbg.declare(metadata %swift.error** %{{.*}}, metadata ![[IMPLICIT_ERROR:[0-9]+]],
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use(error)
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}
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}
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implicitBinding()
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// CHECK-LABEL: define {{.*}}multiBinding{{.*}}
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public func multiBinding() {
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do {
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try throwing()
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}
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catch let error as MyError, let error as MyError {
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// CHECK: call void @llvm.dbg.declare(metadata %swift.error** %{{.*}}, metadata ![[MULTI_BINDING_ERROR:[0-9]+]],
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// CHECK-NOT: call void @llvm.dbg.declare(metadata %swift.error** %{{.*}}
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use(error)
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} catch {
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use(error)
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}
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}
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multiBinding()
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// CHECK: ![[EXPLICIT_ERROR]] = !DILocalVariable(name: "error"
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// CHECK: ![[IMPLICIT_ERROR]] = !DILocalVariable(name: "error"
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// CHECK: ![[MULTI_BINDING_ERROR]] = !DILocalVariable(name: "error"
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