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The use of 'nocapture' for parameters and return values is incorrect for C++ types, as they can actually capture a pointer into its own value (e.g. std::string in libstdc++) rdar://115062687
49 lines
2.5 KiB
Swift
49 lines
2.5 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -disable-availability-checking -g -enable-library-evolution -emit-module-path=%t/resilient_protocol.swiftmodule -module-name=resilient_protocol %S/Inputs/resilient_protocol.swift
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// RUN: %target-swift-frontend -I %t -emit-ir -disable-availability-checking -g -enable-library-evolution %s | %FileCheck -check-prefix CHECK -check-prefix CHECK-%target-cpu -check-prefix CHECK-%target-import-type %s
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// REQUIRES: concurrency
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import resilient_protocol
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public protocol MyAwaitable {
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associatedtype Result
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func wait() async -> Int
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func wait() async -> Result
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func waitThrows() async throws -> Int
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func waitThrows() async throws -> Result
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// FIXME
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// func waitGeneric<T>(_: T) async -> Result
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// func waitGenericThrows<T>(_: T) async throws -> Result
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}
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// CHECK-LABEL: @"$s19protocol_resilience11MyAwaitableP4wait6ResultQzyYaFTjTu" = {{(dllexport )?}}{{(protected )?}}global %swift.async_func_pointer
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// CHECK-LABEL: @"$s19protocol_resilience19ConformsToAwaitableVyxG010resilient_A00E0AAMc" = hidden constant
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// CHECK-SAME: ptr @"$s19protocol_resilience19ConformsToAwaitableVyxG010resilient_A00E0AaeFP4wait6ResultQzyYaFTWTu"
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// CHECK-LABEL: define {{(dllexport )?}}{{(protected )?}}swift{{(tail)?}}cc void @"$s19protocol_resilience14callsAwaitabley6ResultQzxYa010resilient_A00D0RzlF"(ptr noalias %0, ptr swiftasync %1, ptr noalias %2, ptr %T, ptr %T.Awaitable)
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// CHECK-DIRECT: ptr @"$s18resilient_protocol9AwaitableP4wait6ResultQzyYaFTjTu"
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// CHECK-INDIRECT: [[LOAD:%[0-9]+]] = load ptr, ptr inttoptr (i64 and (i64 add (i64 ptrtoint (ptr @"\01__imp_$s18resilient_protocol9AwaitableP4wait6ResultQzyYaFTjTu" to i64), i64 1), i64 -2) to ptr), align {{4|8}}
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// CHECK-INDIRECT: select i1 icmp eq (i64 and (i64 add (i64 ptrtoint (ptr @"\01__imp_$s18resilient_protocol9AwaitableP4wait6ResultQzyYaFTjTu" to i64), i64 1), i64 1), i64 0),
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// CHECK-INDIRECT-SAME: ptr inttoptr (i64 add (i64 ptrtoint (ptr @"\01__imp_$s18resilient_protocol9AwaitableP4wait6ResultQzyYaFTjTu" to i64), i64 1) to ptr),
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// CHECK-INDIRECT-SAME: ptr [[LOAD]]
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// CHECK: ret void
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public func callsAwaitable<T : Awaitable>(_ t: T) async -> T.Result {
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return await t.wait()
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}
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// CHECK-LABEL: define {{(dllexport )?}}{{(protected )?}}swift{{(tail)?}}cc void @"$s19protocol_resilience11MyAwaitableP4wait6ResultQzyYaFTj"(ptr noalias %0, ptr swiftasync %1, ptr noalias swiftself %2, ptr %3, ptr %4)
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struct ConformsToAwaitable<T> : Awaitable {
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var value: T
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func wait() async -> T {
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return value
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}
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}
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