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// RUN: %empty-directory(%t)
// RUN: %target-build-swift -Xfrontend -disable-availability-checking -g %s -emit-ir -parse-as-library -module-name main | %FileCheck %s --check-prefix=CHECK-LL
// RUN: %target-build-swift -Xfrontend -disable-availability-checking -g %s -parse-as-library -module-name main -o %t/main %target-rpath(%t)
// RUN: %target-codesign %t/main
// RUN: %target-run %t/main | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: swift_test_mode_optimize_none
// REQUIRES: concurrency
// REQUIRES: concurrency_runtime
// UNSUPPORTED: back_deployment_runtime
// LLVM does not support swifttailcc for WebAssembly target for now
// See https://github.com/apple/swift/issues/69333
// UNSUPPORTED: CPU=wasm32
import _Concurrency
// CHECK: running
// CHECK-LL: @"$s4main3runyyY{{.*}}FTu" = hidden global %swift.async_func_pointer
// CHECK-LL: define {{.*}}hidden swift{{(tail)?}}cc void @"$s4main3runyyY{{.*}}F"(ptr swiftasync {{%[0-9]+}}) {{#[0-9]*}}
// CHECK-LL: musttail call swifttailcc void
dynamic func run() async {
print("running")
}
@main struct Main {
static func main() async {
await run()
}
}
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