| // RUN: %empty-directory(%t) |
| // RUN: %build-silgen-test-overlays |
| // RUN: %target-swift-emit-silgen(mock-sdk: -sdk %S/Inputs -I %t) -module-name without_actually_escaping %s -sdk %S/Inputs -enable-objc-interop | %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 [without_actually_escaping] $@convention(block) () -> () |
| // CHECK: [[FN:%.*]] = function_ref @$s25without_actually_escaping9testBlock5blockyyyXB_tFyyyXBXEfU_ |
| // CHECK: apply [[FN]]([[CVT]]) |
| // CHECK: destroy_value [[CVT]] |
| // CHECK: end_borrow [[B1]] |
| // CHECK: destroy_value [[C1]] |
| // CHECK: return |
| |
| func testBlock(block: Callback) { |
| withoutActuallyEscaping(block) { $0() } |
| } |
