| // RUN: %target-swift-emit-silgen -module-name without_actually_escaping -enable-sil-ownership %s | %FileCheck %s |
| |
| // REQUIRES: objc_interop |
| |
| import Foundation |
| |
| typealias Callback = @convention(block) () -> Void |
| |
| // CHECK-LABEL: sil {{.*}} @$S25without_actually_escaping9testBlock5blockyyyXB_tF |
| // CHECK: bb0([[ARG:%.*]] : @guaranteed $@convention(block) @noescape () -> ()): |
| // CHECK: [[C1:%.*]] = copy_block [[ARG]] |
| // CHECK: [[B1:%.*]] = begin_borrow [[C1]] |
| // CHECK: [[C2:%.*]] = copy_value [[B1]] |
| // CHECK: [[CVT:%.*]] = convert_function [[C2]] : $@convention(block) @noescape () -> () to $@convention(block) () -> () |
| // CHECK: [[B2:%.*]] = begin_borrow [[CVT]] |
| // CHECK: [[FN:%.*]] = function_ref @$S25without_actually_escaping9testBlock5blockyyyXB_tFyyyXBXEfU_ |
| // CHECK: apply [[FN]]([[B2]]) |
| // CHECK: end_borrow [[B2]] from [[CVT]] |
| // CHECK: destroy_value [[CVT]] |
| // CHECK: end_borrow [[B1]] from [[C1]] |
| // CHECK: destroy_value [[C1]] |
| // CHECK: return |
| |
| func testBlock(block: Callback) { |
| withoutActuallyEscaping(block) { $0() } |
| } |
