| // RUN: %target-swift-frontend -emit-silgen %s | FileCheck %s |
| |
| func foo(_ x: Int) -> () -> Int { |
| var x = x |
| return { x } |
| } |
| // CHECK-LABEL: sil shared @_TFF19capture_typed_boxes3fooFSiFT_SiU_FT_Si : $@convention(thin) (@owned @box Int) -> Int { |
| // CHECK: bb0(%0 : $@box Int): |
| |
| func closure(_ f: @escaping (Int) -> Int) -> Int { |
| var f = f |
| func bar(_ x: Int) -> Int { |
| return f(x) |
| } |
| |
| return bar(0) |
| } |
| // CHECK-LABEL: sil shared @_TFF19capture_typed_boxes7closureFFSiSiSiL_3barfSiSi : $@convention(thin) (Int, @owned @box @callee_owned (Int) -> Int) -> Int { |
| // CHECK: bb0(%0 : $Int, %1 : $@box @callee_owned (Int) -> Int): |
| |
| func closure_generic<T>(_ f: @escaping (T) -> T, x: T) -> T { |
| var f = f |
| func bar(_ x: T) -> T { |
| return f(x) |
| } |
| |
| return bar(x) |
| } |
| // CHECK-LABEL: sil shared @_TFF19capture_typed_boxes15closure_generic{{.*}} : $@convention(thin) <T> (@in T, @owned @box @callee_owned (@in T) -> @out T) -> @out T { |
| // CHECK-LABEL: bb0(%0 : $*T, %1 : $*T, %2 : $@box @callee_owned (@in T) -> @out T): |
| |
