| // RUN: %target-swift-frontend -module-name pointer_conversion -emit-sil -O %s | %FileCheck %s |
| // REQUIRES: optimized_stdlib |
| // UNSUPPORTED: objc_interop |
| |
| // Opaque, unoptimizable functions to call. |
| @_silgen_name("takesConstRawPointer") |
| func takesConstRawPointer(_ x: UnsafeRawPointer) |
| @_silgen_name("takesOptConstRawPointer") |
| func takesOptConstRawPointer(_ x: UnsafeRawPointer?) |
| @_silgen_name("takesMutableRawPointer") |
| func takesMutableRawPointer(_ x: UnsafeMutableRawPointer) |
| @_silgen_name("takesOptMutableRawPointer") |
| func takesOptMutableRawPointer(_ x: UnsafeMutableRawPointer?) |
| |
| // Opaque function for generating values |
| @_silgen_name("get") |
| func get<T>() -> T |
| |
| // The purpose of these tests is to make sure the storage is never released |
| // before the call to the opaque function. |
| |
| // CHECK-LABEL: sil @$s18pointer_conversion17testOptionalArrayyyF |
| public func testOptionalArray() { |
| let array: [Int]? = get() |
| takesOptConstRawPointer(array) |
| // CHECK: bb0: |
| // CHECK: switch_enum {{.*}}, case #Optional.some!enumelt.1: [[SOME_BB:bb[0-9]+]], case #Optional.none!enumelt: [[NONE_BB:bb[0-9]+]] |
| |
| // CHECK: [[SOME_BB]]( |
| // CHECK: [[OWNER:%.+]] = enum $Optional<AnyObject>, #Optional.some!enumelt.1, |
| // CHECK-NEXT: [[POINTER:%.+]] = struct $UnsafeRawPointer ( |
| // CHECK-NEXT: [[DEP_POINTER:%.+]] = mark_dependence [[POINTER]] : $UnsafeRawPointer on [[OWNER]] : $Optional<AnyObject> |
| // CHECK-NEXT: [[OPT_POINTER:%.+]] = enum $Optional<UnsafeRawPointer>, #Optional.some!enumelt.1, [[DEP_POINTER]] |
| // CHECK-NEXT: br [[CALL_BRANCH:bb[0-9]+]]([[OPT_POINTER]] : $Optional<UnsafeRawPointer>, [[OWNER]] : $Optional<AnyObject>) |
| |
| // CHECK: [[CALL_BRANCH]]([[OPT_POINTER:%.+]] : $Optional<UnsafeRawPointer>, [[OWNER:%.+]] : $Optional<AnyObject>): |
| // CHECK-NOT: release |
| // CHECK-NEXT: [[DEP_OPT_POINTER:%.+]] = mark_dependence [[OPT_POINTER]] : $Optional<UnsafeRawPointer> on [[OWNER]] : $Optional<AnyObject> |
| // CHECK: [[FN:%.+]] = function_ref @takesOptConstRawPointer |
| // CHECK-NEXT: apply [[FN]]([[DEP_OPT_POINTER]]) |
| // CHECK-NOT: release |
| // CHECK-NOT: {{^bb[0-9]+:}} |
| // CHECK: release_value {{%.+}} : $Optional<Array<Int>> |
| // CHECK-NEXT: [[EMPTY:%.+]] = tuple () |
| // CHECK-NEXT: return [[EMPTY]] |
| |
| // CHECK: [[NONE_BB]]: |
| // CHECK-NEXT: [[NO_POINTER:%.+]] = enum $Optional<UnsafeRawPointer>, #Optional.none!enumelt |
| // CHECK-NEXT: [[NO_OWNER:%.+]] = enum $Optional<AnyObject>, #Optional.none!enumelt |
| // CHECK-NEXT: br [[CALL_BRANCH]]([[NO_POINTER]] : $Optional<UnsafeRawPointer>, [[NO_OWNER]] : $Optional<AnyObject>) |
| |
| } // CHECK: end sil function '$s18pointer_conversion17testOptionalArrayyyF' |
