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32 lines
1.0 KiB
Swift
32 lines
1.0 KiB
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o - \
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// RUN: -module-name a -disable-availability-checking \
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// RUN: -parse-as-library | %FileCheck %s --check-prefix=CHECK
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// REQUIRES: concurrency
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// REQUIRES: rdar74588568
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// Test that x is described as a direct dbg.declare of the incoming function
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// argument.
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// CHECK-LABEL: define {{.*}} void @"$s1a3fibyS2iYF.resume.0"
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// CHECK: call void @llvm.dbg.declare
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// CHECK: call void @llvm.dbg.declare
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// CHECK: call void @llvm.dbg.declare(metadata {{.*}}%0, metadata ![[X0:[0-9]+]], {{.*}}!DIExpression(DW_OP
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// CHECK-LABEL: define {{.*}} void @"$s1a3fibyS2iYF.resume.1"
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// FIXME: call void @llvm.dbg.declare(metadata {{.*}}%0, metadata ![[X1:[0-9]+]], {{.*}}!DIExpression(DW_OP
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// CHECK: ![[X0]] = !DILocalVariable(name: "x"
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// FIXME: ![[X1]] = !DILocalVariable(name: "x"
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func fib(_ x: Int) async -> Int {
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if x <= 1 { return 1 }
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let a = await fib(x - 1)
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let b = await fib(x - 2)
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return a + b
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}
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@main struct Main {
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static func main() async {
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await fib(4)
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}
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}
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