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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/weaklinked_import_helper.swiftmodule -parse-as-library %S/Inputs/weaklinked_import_helper.swift -enable-library-evolution
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/Intermediate.swiftmodule -parse-as-library %t/Intermediate.swift -I %t -enable-library-evolution
//
// RUN: %target-swift-frontend -primary-file %t/Client.swift -I %t -emit-ir | %FileCheck %s
// UNSUPPORTED: OS=windows-msvc
//--- Intermediate.swift
import weaklinked_import_helper
public func hasDefaultArgument(_ s: S = S()) { }
@_alwaysEmitIntoClient
public func aeicFuncCallingFn() {
fn()
}
//--- Client.swift
import Intermediate
@_weakLinked import weaklinked_import_helper
// Symbols from `weaklinked_import_helper` should have weak linkage even
// when the references to them are inlined from `Intermediate`, which imported
// `weaklinked_import_helper` without `@_weakLinked`.
func testDefaultArguments() {
// CHECK: declare extern_weak {{.+}} @"$s24weaklinked_import_helper1SVMa"
hasDefaultArgument()
}
func testAlwaysEmitIntoClient() {
// CHECK-DAG: declare extern_weak {{.+}} @"$s24weaklinked_import_helper2fnyyF"()
aeicFuncCallingFn()
}
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