| // RUN: %target-swift-frontend -emit-silgen -enable-sil-ownership %s | %FileCheck %s |
| |
| var escapeHatch: Any = 0 |
| |
| // CHECK-LABEL: sil hidden @$S25without_actually_escaping9letEscape1fyycyyXE_tF |
| func letEscape(f: () -> ()) -> () -> () { |
| // CHECK: bb0([[ARG:%.*]] : @trivial $@noescape @callee_guaranteed () -> ()): |
| // CHECK: [[CVT:%.*]] = function_ref @$SIg_Ieg_TR : $@convention(thin) (@noescape @callee_guaranteed () -> ()) -> () |
| // TODO: verify that the partial_apply's reference count is one at the end of the scope. |
| // CHECK: [[CLOSURE:%.*]] = partial_apply [callee_guaranteed] [[CVT]]([[ARG]]) : $@convention(thin) (@noescape @callee_guaranteed () -> ()) -> () |
| // CHECK: [[MD:%.*]] = mark_dependence [[CLOSURE]] : $@callee_guaranteed () -> () on [[ARG]] : $@noescape @callee_guaranteed () -> () |
| // CHECK: [[USER:%.*]] = function_ref @$S25without_actually_escaping9letEscape1fyycyyXE_tFyycyycXEfU_ : $@convention(thin) (@owned @callee_guaranteed () -> ()) -> @owned @callee_guaranteed () -> () |
| // CHECK: [[RES:%.*]] = apply %5([[MD]]) : $@convention(thin) (@owned @callee_guaranteed () -> ()) -> @owned @callee_guaranteed () -> () |
| // CHECK: return [[RES]] : $@callee_guaranteed () -> () |
| return withoutActuallyEscaping(f) { return $0 } |
| } |
