| // RUN: %target-swift-emit-silgen -parse-stdlib -Xllvm -sil-print-debuginfo -verify -swift-version 5 -primary-file %s %S/Inputs/errors_other.swift | %FileCheck %s |
| |
| import Swift |
| |
| class Cat {} |
| |
| enum HomeworkError : Error { |
| case TooHard |
| case TooMuch |
| case CatAteIt(Cat) |
| } |
| |
| func someValidPointer<T>() -> UnsafePointer<T> { fatalError() } |
| func someValidPointer<T>() -> UnsafeMutablePointer<T> { fatalError() } |
| |
| // CHECK: sil hidden [ossa] @$s6errors10make_a_cat{{.*}}F : $@convention(thin) () -> (@owned Cat, @error Error) { |
| // CHECK: [[T1:%.*]] = metatype $@thick Cat.Type |
| // CHECK: [[T0:%.*]] = function_ref @$s6errors3Cat{{.*}} : $@convention(method) (@thick Cat.Type) -> @owned Cat |
| // CHECK-NEXT: [[T2:%.*]] = apply [[T0]]([[T1]]) |
| // CHECK-NEXT: return [[T2]] : $Cat |
| func make_a_cat() throws -> Cat { |
| return Cat() |
| } |
| |
| // CHECK: sil hidden [ossa] @$s6errors15dont_make_a_cat{{.*}}F : $@convention(thin) () -> (@owned Cat, @error Error) { |
| // CHECK: [[T0:%.*]] = metatype $@thin HomeworkError.Type |
| // CHECK-NEXT: [[T1:%.*]] = enum $HomeworkError, #HomeworkError.TooHard!enumelt |
| // CHECK-NEXT: [[BOX:%.*]] = alloc_existential_box $Error, $HomeworkError |
| // CHECK-NEXT: [[ADDR:%.*]] = project_existential_box $HomeworkError in [[BOX]] : $Error |
| // CHECK-NEXT: store [[BOX]] to [init] [[BOXBUF:%.*]] : |
| // CHECK-NEXT: store [[T1]] to [init] [[ADDR]] |
| // CHECK-NEXT: [[BOX2:%.*]] = load [take] [[BOXBUF]] |
| // CHECK-NEXT: builtin "willThrow" |
| // CHECK-NEXT: dealloc_stack [[BOXBUF]] |
| // CHECK-NEXT: throw [[BOX2]] |
| func dont_make_a_cat() throws -> Cat { |
| throw HomeworkError.TooHard |
| } |
| |
| // CHECK: sil hidden [ossa] @$s6errors11dont_return{{.*}}F : $@convention(thin) <T> (@in_guaranteed T) -> (@out T, @error Error) { |
| // CHECK: [[T0:%.*]] = metatype $@thin HomeworkError.Type |
| // CHECK-NEXT: [[T1:%.*]] = enum $HomeworkError, #HomeworkError.TooMuch!enumelt |
| // CHECK-NEXT: [[BOX:%.*]] = alloc_existential_box $Error, $HomeworkError |
| // CHECK-NEXT: [[ADDR:%.*]] = project_existential_box $HomeworkError in [[BOX]] : $Error |
| // CHECK-NEXT: store [[BOX]] to [init] [[BOXBUF:%.*]] : |
| // CHECK-NEXT: store [[T1]] to [init] [[ADDR]] |
| // CHECK-NEXT: [[BOX2:%.*]] = load [take] [[BOXBUF]] |
| // CHECK-NEXT: builtin "willThrow" |
| // CHECK-NEXT: dealloc_stack [[BOXBUF]] |
| // CHECK-NEXT: throw [[BOX2]] |
| func dont_return<T>(_ argument: T) throws -> T { |
| throw HomeworkError.TooMuch |
| } |
| |
| // CHECK: sil hidden [ossa] @$s6errors16all_together_nowyAA3CatCSbF : $@convention(thin) (Bool) -> @owned Cat { |
| // CHECK: bb0(%0 : $Bool): |
| // CHECK: [[RET_TEMP:%.*]] = alloc_stack $Cat |
| |
| // Branch on the flag. |
| // CHECK: cond_br {{%.*}}, [[FLAG_TRUE:bb[0-9]+]], [[FLAG_FALSE:bb[0-9]+]] |
| |
| // In the true case, call make_a_cat(). |
| // CHECK: [[FLAG_TRUE]]: |
| // CHECK: [[MAC_FN:%.*]] = function_ref @$s6errors10make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK-NEXT: try_apply [[MAC_FN]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[MAC_NORMAL:bb[0-9]+]], error [[MAC_ERROR:bb[0-9]+]] |
| // CHECK: [[MAC_NORMAL]]([[T0:%.*]] : @owned $Cat): |
| // CHECK-NEXT: br [[TERNARY_CONT:bb[0-9]+]]([[T0]] : $Cat) |
| |
| // In the false case, call dont_make_a_cat(). |
| // CHECK: [[FLAG_FALSE]]: |
| // CHECK: [[DMAC_FN:%.*]] = function_ref @$s6errors15dont_make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK-NEXT: try_apply [[DMAC_FN]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[DMAC_NORMAL:bb[0-9]+]], error [[DMAC_ERROR:bb[0-9]+]] |
| // CHECK: [[DMAC_NORMAL]]([[T0:%.*]] : @owned $Cat): |
| // CHECK-NEXT: br [[TERNARY_CONT]]([[T0]] : $Cat) |
| |
| // Merge point for the ternary operator. Call dont_return with the result. |
| // CHECK: [[TERNARY_CONT]]([[T0:%.*]] : @owned $Cat): |
| // CHECK-NEXT: [[ARG_TEMP:%.*]] = alloc_stack $Cat |
| // CHECK-NEXT: store [[T0]] to [init] [[ARG_TEMP]] |
| // CHECK: [[DR_FN:%.*]] = function_ref @$s6errors11dont_return{{.*}} : |
| // CHECK-NEXT: try_apply [[DR_FN]]<Cat>([[RET_TEMP]], [[ARG_TEMP]]) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> (@out τ_0_0, @error Error), normal [[DR_NORMAL:bb[0-9]+]], error [[DR_ERROR:bb[0-9]+]] |
| // CHECK: [[DR_NORMAL]]({{%.*}} : $()): |
| // CHECK-NEXT: destroy_addr [[ARG_TEMP]] |
| // CHECK-NEXT: dealloc_stack [[ARG_TEMP]] |
| // CHECK-NEXT: [[T0:%.*]] = load [take] [[RET_TEMP]] : $*Cat |
| // CHECK-NEXT: dealloc_stack [[RET_TEMP]] |
| // CHECK-NEXT: br [[RETURN:bb[0-9]+]]([[T0]] : $Cat) |
| |
| // Return block. |
| // CHECK: [[RETURN]]([[T0:%.*]] : @owned $Cat): |
| // CHECK-NEXT: return [[T0]] : $Cat |
| |
| // Catch dispatch block. |
| // CHECK: [[CATCH:bb[0-9]+]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: [[BORROWED_ERROR:%.*]] = begin_borrow [[ERROR]] |
| // CHECK-NEXT: [[SRC_TEMP:%.*]] = alloc_stack $Error |
| // CHECK-NEXT: [[COPIED_BORROWED_ERROR:%.*]] = copy_value [[BORROWED_ERROR]] |
| // CHECK-NEXT: store [[COPIED_BORROWED_ERROR]] to [init] [[SRC_TEMP]] |
| // CHECK-NEXT: [[DEST_TEMP:%.*]] = alloc_stack $HomeworkError |
| // CHECK-NEXT: checked_cast_addr_br copy_on_success Error in [[SRC_TEMP]] : $*Error to HomeworkError in [[DEST_TEMP]] : $*HomeworkError, [[IS_HWE:bb[0-9]+]], [[NOT_HWE:bb[0-9]+]] |
| |
| // Catch HomeworkError. |
| // CHECK: [[IS_HWE]]: |
| // CHECK-NEXT: [[T0_ORIG:%.*]] = load [take] [[DEST_TEMP]] : $*HomeworkError |
| // CHECK-NEXT: switch_enum [[T0_ORIG]] : $HomeworkError, case #HomeworkError.CatAteIt!enumelt.1: [[MATCH:bb[0-9]+]], default [[NO_MATCH:bb[0-9]+]] |
| |
| // Catch HomeworkError.CatAteIt. |
| // CHECK: [[MATCH]]([[T0:%.*]] : @owned $Cat): |
| // CHECK-NEXT: debug_value |
| // CHECK-NEXT: [[BORROWED_T0:%.*]] = begin_borrow [[T0]] |
| // CHECK-NEXT: [[T0_COPY:%.*]] = copy_value [[BORROWED_T0]] |
| // CHECK-NEXT: end_borrow [[BORROWED_T0]] |
| // CHECK-NEXT: destroy_value [[T0]] |
| // CHECK-NEXT: dealloc_stack [[DEST_TEMP]] |
| // CHECK-NEXT: destroy_addr [[SRC_TEMP]] |
| // CHECK-NEXT: dealloc_stack [[SRC_TEMP]] |
| // CHECK-NEXT: end_borrow [[BORROWED_ERROR]] |
| // CHECK-NEXT: destroy_value [[ERROR]] |
| // CHECK-NEXT: br [[RETURN]]([[T0_COPY]] : $Cat) |
| |
| // Catch other HomeworkErrors. |
| // CHECK: [[NO_MATCH]]([[CATCHALL_ERROR:%.*]] : @owned $HomeworkError): |
| // CHECK-NEXT: destroy_value [[CATCHALL_ERROR]] |
| // CHECK-NEXT: dealloc_stack [[DEST_TEMP]] |
| // CHECK-NEXT: destroy_addr [[SRC_TEMP]] |
| // CHECK-NEXT: dealloc_stack [[SRC_TEMP]] |
| // CHECK-NEXT: br [[CATCHALL:bb[0-9]+]] |
| |
| // Catch other types. |
| // CHECK: [[NOT_HWE]]: |
| // CHECK-NEXT: dealloc_stack [[DEST_TEMP]] |
| // CHECK-NEXT: destroy_addr [[SRC_TEMP]] |
| // CHECK-NEXT: dealloc_stack [[SRC_TEMP]] |
| // CHECK-NEXT: br [[CATCHALL:bb[0-9]+]] |
| |
| // Catch all. |
| // CHECK: [[CATCHALL]]: |
| // CHECK-NEXT: [[T1:%.*]] = metatype $@thick Cat.Type |
| // CHECK: [[T0:%.*]] = function_ref @$s6errors3Cat{{.*}} : $@convention(method) (@thick Cat.Type) -> @owned Cat |
| // CHECK-NEXT: [[T2:%.*]] = apply [[T0]]([[T1]]) |
| // CHECK-NEXT: end_borrow [[BORROWED_ERROR]] |
| // CHECK-NEXT: destroy_value [[ERROR]] : $Error |
| // CHECK-NEXT: br [[RETURN]]([[T2]] : $Cat) |
| |
| // Landing pad. |
| // CHECK: [[MAC_ERROR]]([[T0:%.*]] : @owned $Error): |
| // CHECK-NEXT: dealloc_stack [[RET_TEMP]] |
| // CHECK-NEXT: br [[CATCH]]([[T0]] : $Error) |
| // CHECK: [[DMAC_ERROR]]([[T0:%.*]] : @owned $Error): |
| // CHECK-NEXT: dealloc_stack [[RET_TEMP]] |
| // CHECK-NEXT: br [[CATCH]]([[T0]] : $Error) |
| // CHECK: [[DR_ERROR]]([[T0:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_addr [[CAT:%.*]] : |
| // CHECK-NEXT: dealloc_stack [[CAT]] |
| // CHECK-NEXT: dealloc_stack |
| // CHECK-NEXT: br [[CATCH]]([[T0]] : $Error) |
| func all_together_now(_ flag: Bool) -> Cat { |
| do { |
| return try dont_return(flag ? make_a_cat() : dont_make_a_cat()) |
| } catch HomeworkError.CatAteIt(let cat) { |
| return cat |
| } catch _ { |
| return Cat() |
| } |
| } |
| |
| // Make sure that if we catch an error in a throwing function we borrow the |
| // error and only consume the error in the rethrow block. |
| // |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors20all_together_now_twoyAA3CatCSgSbKF : $@convention(thin) (Bool) -> (@owned Optional<Cat>, @error Error) { |
| // CHECK: bb0( |
| // CHECK-NOT: bb1 |
| // CHECK: try_apply {{.*}}, normal [[NORMAL_BB:bb[0-9]+]], error [[ERROR_BB:bb[0-9]+]] |
| // |
| // CHECK: [[ERROR_BB]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK: [[BORROWED_ERROR:%.*]] = begin_borrow [[ERROR]] |
| // CHECK: [[COPIED_ERROR:%.*]] = copy_value [[BORROWED_ERROR]] |
| // CHECK: store [[COPIED_ERROR]] to [init] [[CAST_INPUT_MEM:%.*]] : $*Error |
| // CHECK: checked_cast_addr_br copy_on_success Error in [[CAST_INPUT_MEM]] : $*Error to HomeworkError in [[CAST_OUTPUT_MEM:%.*]] : $*HomeworkError, [[CAST_YES_BB:bb[0-9]+]], [[CAST_NO_BB:bb[0-9]+]], |
| // |
| // CHECK: [[CAST_YES_BB]]: |
| // CHECK: [[SUBERROR:%.*]] = load [take] [[CAST_OUTPUT_MEM]] |
| // CHECK: switch_enum [[SUBERROR]] : $HomeworkError, case #HomeworkError.TooHard!enumelt: {{bb[0-9]+}}, default [[SWITCH_MATCH_FAIL_BB:bb[0-9]+]], |
| // |
| // CHECK: [[SWITCH_MATCH_FAIL_BB]]([[SUBERROR:%.*]] : @owned $HomeworkError): |
| // CHECK: destroy_value [[SUBERROR]] |
| // CHECK: end_borrow [[BORROWED_ERROR]] |
| // CHECK: br [[RETHROW_BB:bb[0-9]+]]([[ERROR]] : $Error) |
| // |
| // CHECK: [[CAST_NO_BB]]: |
| // CHECK: end_borrow [[BORROWED_ERROR]] |
| // CHECK: br [[RETHROW_BB]]([[ERROR]] : $Error) |
| // |
| // CHECK: [[RETHROW_BB]]([[ERROR_FOR_RETHROW:%.*]] : @owned $Error): |
| // CHECK: throw [[ERROR_FOR_RETHROW]] |
| // CHECK: } // end sil function '$s6errors20all_together_now_twoyAA3CatCSgSbKF' |
| func all_together_now_two(_ flag: Bool) throws -> Cat? { |
| do { |
| return try dont_return(Cat()) |
| } catch HomeworkError.TooHard { |
| return nil |
| } |
| } |
| |
| // Same as the previous test, but with multiple cases instead of just one. |
| // |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors22all_together_now_threeyAA3CatCSgSbKF : $@convention(thin) (Bool) -> (@owned Optional<Cat>, @error Error) { |
| // CHECK: bb0( |
| // CHECK-NOT: bb1 |
| // CHECK: try_apply {{.*}}, normal [[NORMAL_BB:bb[0-9]+]], error [[ERROR_BB:bb[0-9]+]] |
| // |
| // CHECK: [[ERROR_BB]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK: [[BORROWED_ERROR:%.*]] = begin_borrow [[ERROR]] |
| // CHECK: [[COPIED_ERROR:%.*]] = copy_value [[BORROWED_ERROR]] |
| // CHECK: store [[COPIED_ERROR]] to [init] [[CAST_INPUT_MEM:%.*]] : $*Error |
| // CHECK: checked_cast_addr_br copy_on_success Error in [[CAST_INPUT_MEM]] : $*Error to HomeworkError in [[CAST_OUTPUT_MEM:%.*]] : $*HomeworkError, [[CAST_YES_BB:bb[0-9]+]], [[CAST_NO_BB:bb[0-9]+]], |
| // |
| // CHECK: [[CAST_YES_BB]]: |
| // CHECK: [[SUBERROR:%.*]] = load [take] [[CAST_OUTPUT_MEM]] |
| // CHECK: switch_enum [[SUBERROR]] : $HomeworkError, case #HomeworkError.TooHard!enumelt: {{bb[0-9]+}}, case #HomeworkError.TooMuch!enumelt: {{bb[0-9]+}}, default [[SWITCH_MATCH_FAIL_BB:bb[0-9]+]], |
| // |
| // CHECK: [[SWITCH_MATCH_FAIL_BB]]([[SUBERROR:%.*]] : @owned $HomeworkError): |
| // CHECK: destroy_value [[SUBERROR]] |
| // CHECK: end_borrow [[BORROWED_ERROR]] |
| // CHECK: br [[RETHROW_BB:bb[0-9]+]]([[ERROR]] : $Error) |
| // |
| // CHECK: [[CAST_NO_BB]]: |
| // CHECK: end_borrow [[BORROWED_ERROR]] |
| // CHECK: br [[RETHROW_BB]]([[ERROR]] : $Error) |
| // |
| // CHECK: [[RETHROW_BB]]([[ERROR_FOR_RETHROW:%.*]] : @owned $Error): |
| // CHECK: throw [[ERROR_FOR_RETHROW]] |
| // CHECK: } // end sil function '$s6errors22all_together_now_threeyAA3CatCSgSbKF' |
| func all_together_now_three(_ flag: Bool) throws -> Cat? { |
| do { |
| return try dont_return(Cat()) |
| } catch HomeworkError.TooHard { |
| return nil |
| } catch HomeworkError.TooMuch { |
| return nil |
| } |
| } |
| |
| // Catch in non-throwing context. |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors11catch_a_catAA3CatCyF : $@convention(thin) () -> @owned Cat |
| // CHECK-NEXT: bb0: |
| // CHECK-NEXT: [[M:%.*]] = metatype $@thick Cat.Type |
| // CHECK: [[F:%.*]] = function_ref @$s6errors3Cat{{.*}} : $@convention(method) (@thick Cat.Type) -> @owned Cat |
| // CHECK-NEXT: [[V:%.*]] = apply [[F]]([[M]]) |
| // CHECK-NEXT: return [[V]] : $Cat |
| func catch_a_cat() -> Cat { |
| do { |
| return Cat() |
| } catch _ as HomeworkError {} // expected-warning {{'catch' block is unreachable because no errors are thrown in 'do' block}} |
| } |
| |
| // Initializers. |
| class HasThrowingInit { |
| var field: Int |
| init(value: Int) throws { |
| field = value |
| } |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors15HasThrowingInit{{.*}} : $@convention(method) (Int, @thick HasThrowingInit.Type) -> (@owned HasThrowingInit, @error Error) |
| // CHECK: [[SELF:%.*]] = alloc_ref $HasThrowingInit |
| // CHECK: [[T0:%.*]] = function_ref @$s6errors15HasThrowingInit{{.*}}c : $@convention(method) (Int, @owned HasThrowingInit) -> (@owned HasThrowingInit, @error Error) |
| // CHECK-NEXT: try_apply [[T0]](%0, [[SELF]]) : $@convention(method) (Int, @owned HasThrowingInit) -> (@owned HasThrowingInit, @error Error), normal bb1, error bb2 |
| // CHECK: bb1([[SELF:%.*]] : @owned $HasThrowingInit): |
| // CHECK-NEXT: return [[SELF]] |
| // CHECK: bb2([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: builtin "willThrow" |
| // CHECK-NEXT: throw [[ERROR]] |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors15HasThrowingInit{{.*}} : $@convention(method) (Int, @owned HasThrowingInit) -> (@owned HasThrowingInit, @error Error) { |
| // CHECK: [[T0:%.*]] = mark_uninitialized [rootself] %1 : $HasThrowingInit |
| // CHECK-NEXT: [[BORROWED_T0:%.*]] = begin_borrow [[T0]] |
| // CHECK-NEXT: [[T1:%.*]] = ref_element_addr [[BORROWED_T0]] : $HasThrowingInit |
| // CHECK-NEXT: [[WRITE:%.*]] = begin_access [modify] [dynamic] [[T1]] : $*Int |
| // CHECK-NEXT: assign %0 to [[WRITE]] : $*Int |
| // CHECK-NEXT: end_access [[WRITE]] |
| // CHECK-NEXT: end_borrow [[BORROWED_T0]] |
| // CHECK-NEXT: [[T0_RET:%.*]] = copy_value [[T0]] |
| // CHECK-NEXT: destroy_value [[T0]] |
| // CHECK-NEXT: return [[T0_RET]] : $HasThrowingInit |
| |
| |
| enum ColorError : Error { |
| case Red, Green, Blue |
| } |
| |
| //CHECK-LABEL: sil hidden [ossa] @$s6errors6IThrows5Int32VyKF |
| //CHECK: builtin "willThrow" |
| //CHECK-NEXT: dealloc_stack |
| //CHECK-NEXT: throw |
| func IThrow() throws -> Int32 { |
| throw ColorError.Red |
| return 0 // expected-warning {{will never be executed}} |
| } |
| |
| // Make sure that we are not emitting calls to 'willThrow' on rethrow sites. |
| //CHECK-LABEL: sil hidden [ossa] @$s6errors12DoesNotThrows5Int32VyKF |
| //CHECK-NOT: builtin "willThrow" |
| //CHECK: return |
| func DoesNotThrow() throws -> Int32 { |
| _ = try IThrow() |
| return 2 |
| } |
| |
| // rdar://20782111 |
| protocol Doomed { |
| func check() throws |
| } |
| |
| // CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s6errors12DoomedStructVAA0B0A2aDP5checkyyKFTW : $@convention(witness_method: Doomed) (@in_guaranteed DoomedStruct) -> @error Error |
| // CHECK: [[SELF:%.*]] = load [trivial] %0 : $*DoomedStruct |
| // CHECK: [[T0:%.*]] = function_ref @$s6errors12DoomedStructV5checkyyKF : $@convention(method) (DoomedStruct) -> @error Error |
| // CHECK-NEXT: try_apply [[T0]]([[SELF]]) |
| // CHECK: bb1([[T0:%.*]] : $()): |
| // CHECK: [[T0:%.*]] = tuple () |
| // CHECK: return [[T0]] : $() |
| // CHECK: bb2([[T0:%.*]] : @owned $Error): |
| // CHECK: builtin "willThrow"([[T0]] : $Error) |
| // CHECK: throw [[T0]] : $Error |
| struct DoomedStruct : Doomed { |
| func check() throws {} |
| } |
| |
| // CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s6errors11DoomedClassCAA0B0A2aDP5checkyyKFTW : $@convention(witness_method: Doomed) (@in_guaranteed DoomedClass) -> @error Error { |
| // CHECK: [[BORROWED_SELF:%.*]] = load_borrow %0 |
| // CHECK: [[T0:%.*]] = class_method [[BORROWED_SELF]] : $DoomedClass, #DoomedClass.check!1 : (DoomedClass) -> () throws -> (), $@convention(method) (@guaranteed DoomedClass) -> @error Error |
| // CHECK-NEXT: try_apply [[T0]]([[BORROWED_SELF]]) |
| // CHECK: bb1([[T0:%.*]] : $()): |
| // CHECK: [[T0:%.*]] = tuple () |
| // CHECK: end_borrow [[BORROWED_SELF]] |
| // CHECK: return [[T0]] : $() |
| // CHECK: bb2([[T0:%.*]] : @owned $Error): |
| // CHECK: builtin "willThrow"([[T0]] : $Error) |
| // CHECK: end_borrow [[BORROWED_SELF]] |
| // CHECK: throw [[T0]] : $Error |
| class DoomedClass : Doomed { |
| func check() throws {} |
| } |
| |
| // CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s6errors11HappyStructVAA6DoomedA2aDP5checkyyKFTW : $@convention(witness_method: Doomed) (@in_guaranteed HappyStruct) -> @error Error |
| // CHECK: [[T0:%.*]] = function_ref @$s6errors11HappyStructV5checkyyF : $@convention(method) (HappyStruct) -> () |
| // CHECK: [[T1:%.*]] = apply [[T0]](%1) |
| // CHECK: [[T1:%.*]] = tuple () |
| // CHECK: return [[T1]] : $() |
| struct HappyStruct : Doomed { |
| func check() {} |
| } |
| |
| // CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s6errors10HappyClassCAA6DoomedA2aDP5checkyyKFTW : $@convention(witness_method: Doomed) (@in_guaranteed HappyClass) -> @error Error |
| // CHECK: [[SELF:%.*]] = load_borrow %0 : $*HappyClass |
| // CHECK: [[T0:%.*]] = class_method [[SELF]] : $HappyClass, #HappyClass.check!1 : (HappyClass) -> () -> (), $@convention(method) (@guaranteed HappyClass) -> () |
| // CHECK: [[T1:%.*]] = apply [[T0]]([[SELF]]) |
| // CHECK: [[T1:%.*]] = tuple () |
| // CHECK: end_borrow [[SELF]] |
| // CHECK: return [[T1]] : $() |
| class HappyClass : Doomed { |
| func check() {} |
| } |
| |
| func create<T>(_ fn: () throws -> T) throws -> T { |
| return try fn() |
| } |
| func testThunk(_ fn: () throws -> Int) throws -> Int { |
| return try create(fn) |
| } |
| // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] [ossa] @$sSis5Error_pIgdzo_SisAA_pIegrzo_TR : $@convention(thin) (@noescape @callee_guaranteed () -> (Int, @error Error)) -> (@out Int, @error Error) |
| // CHECK: bb0(%0 : $*Int, %1 : $@noescape @callee_guaranteed () -> (Int, @error Error)): |
| // CHECK: try_apply %1() |
| // CHECK: bb1([[T0:%.*]] : $Int): |
| // CHECK: store [[T0]] to [trivial] %0 : $*Int |
| // CHECK: [[T0:%.*]] = tuple () |
| // CHECK: return [[T0]] |
| // CHECK: bb2([[T0:%.*]] : @owned $Error): |
| // CHECK: builtin "willThrow"([[T0]] : $Error) |
| // CHECK: throw [[T0]] : $Error |
| |
| func createInt(_ fn: () -> Int) throws {} |
| func testForceTry(_ fn: () -> Int) { |
| try! createInt(fn) |
| } |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors12testForceTryyySiyXEF : $@convention(thin) (@noescape @callee_guaranteed () -> Int) -> () |
| // CHECK: bb0([[ARG:%.*]] : $@noescape @callee_guaranteed () -> Int): |
| // CHECK: [[FUNC:%.*]] = function_ref @$s6errors9createIntyySiyXEKF : $@convention(thin) (@noescape @callee_guaranteed () -> Int) -> @error Error |
| // CHECK: try_apply [[FUNC]]([[ARG]]) |
| // CHECK: return |
| // CHECK: function_ref @swift_unexpectedError |
| // CHECK: unreachable |
| |
| func testForceTryMultiple() { |
| _ = try! (make_a_cat(), make_a_cat()) |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors20testForceTryMultipleyyF |
| // CHECK-NEXT: bb0: |
| // CHECK: [[FN_1:%.+]] = function_ref @$s6errors10make_a_catAA3CatCyKF |
| // CHECK-NEXT: try_apply [[FN_1]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[SUCCESS_1:[^ ]+]], error [[CLEANUPS_1:[^ ]+]], |
| // CHECK: [[SUCCESS_1]]([[VALUE_1:%.+]] : @owned $Cat) |
| // CHECK: [[FN_2:%.+]] = function_ref @$s6errors10make_a_catAA3CatCyKF |
| // CHECK-NEXT: try_apply [[FN_2]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[SUCCESS_2:[^ ]+]], error [[CLEANUPS_2:[^ ]+]], |
| // CHECK: [[SUCCESS_2]]([[VALUE_2:%.+]] : @owned $Cat) |
| // CHECK-NEXT: destroy_value [[VALUE_2]] : $Cat |
| // CHECK-NEXT: destroy_value [[VALUE_1]] : $Cat |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: [[FAILURE:.+]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK: [[UNEXPECTED_ERROR:%.+]] = function_ref @swift_unexpectedError |
| // CHECK-NEXT: apply [[UNEXPECTED_ERROR]]([[ERROR]] |
| // CHECK-NEXT: unreachable |
| // CHECK: [[CLEANUPS_1]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK-NEXT: br [[FAILURE]]([[ERROR]] : $Error) |
| // CHECK: [[CLEANUPS_2]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[VALUE_1]] : $Cat |
| // CHECK-NEXT: br [[FAILURE]]([[ERROR]] : $Error) |
| // CHECK: } // end sil function '$s6errors20testForceTryMultipleyyF' |
| |
| // Make sure we balance scopes correctly inside a switch. |
| // <rdar://problem/20923654> |
| enum CatFood { |
| case Canned |
| case Dry |
| } |
| |
| // Something we can switch on that throws. |
| func preferredFood() throws -> CatFood { |
| return CatFood.Canned |
| } |
| |
| func feedCat() throws -> Int { |
| switch try preferredFood() { |
| case .Canned: |
| return 0 |
| case .Dry: |
| return 1 |
| } |
| } |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors7feedCatSiyKF : $@convention(thin) () -> (Int, @error Error) |
| // CHECK: debug_value undef : $Error, var, name "$error", argno 1 |
| // CHECK: %1 = function_ref @$s6errors13preferredFoodAA03CatC0OyKF : $@convention(thin) () -> (CatFood, @error Error) |
| // CHECK: try_apply %1() : $@convention(thin) () -> (CatFood, @error Error), normal bb1, error bb5 |
| // CHECK: bb1([[VAL:%.*]] : $CatFood): |
| // CHECK: switch_enum [[VAL]] : $CatFood, case #CatFood.Canned!enumelt: bb2, case #CatFood.Dry!enumelt: bb3 |
| // CHECK: bb5([[ERROR:%.*]] : @owned $Error) |
| // CHECK: throw [[ERROR]] : $Error |
| |
| // Throwing statements inside cases. |
| func getHungryCat(_ food: CatFood) throws -> Cat { |
| switch food { |
| case .Canned: |
| return try make_a_cat() |
| case .Dry: |
| return try dont_make_a_cat() |
| } |
| } |
| // errors.getHungryCat throws (errors.CatFood) -> errors.Cat |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors12getHungryCatyAA0D0CAA0D4FoodOKF : $@convention(thin) (CatFood) -> (@owned Cat, @error Error) |
| // CHECK: bb0(%0 : $CatFood): |
| // CHECK: debug_value undef : $Error, var, name "$error", argno 2 |
| // CHECK: switch_enum %0 : $CatFood, case #CatFood.Canned!enumelt: bb1, case #CatFood.Dry!enumelt: bb3 |
| // CHECK: bb1: |
| // CHECK: [[FN:%.*]] = function_ref @$s6errors10make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK: try_apply [[FN]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal bb2, error bb6 |
| // CHECK: bb3: |
| // CHECK: [[FN:%.*]] = function_ref @$s6errors15dont_make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK: try_apply [[FN]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal bb4, error bb7 |
| // CHECK: bb6([[ERROR:%.*]] : @owned $Error): |
| // CHECK: br bb8([[ERROR:%.*]] : $Error) |
| // CHECK: bb7([[ERROR:%.*]] : @owned $Error): |
| // CHECK: br bb8([[ERROR]] : $Error) |
| // CHECK: bb8([[ERROR:%.*]] : @owned $Error): |
| // CHECK: throw [[ERROR]] : $Error |
| |
| func take_many_cats(_ cats: Cat...) throws {} |
| func test_variadic(_ cat: Cat) throws { |
| try take_many_cats(make_a_cat(), cat, make_a_cat(), make_a_cat()) |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors13test_variadicyyAA3CatCKF : $@convention(thin) (@guaranteed Cat) -> @error Error { |
| // CHECK: bb0([[ARG:%.*]] : @guaranteed $Cat): |
| // CHECK: debug_value undef : $Error, var, name "$error", argno 2 |
| // CHECK: [[N:%.*]] = integer_literal $Builtin.Word, 4 |
| // CHECK: [[T0:%.*]] = function_ref @$ss27_allocateUninitializedArray{{.*}}F |
| // CHECK: [[T1:%.*]] = apply [[T0]]<Cat>([[N]]) |
| // CHECK: ([[ARRAY:%.*]], [[T2:%.*]]) = destructure_tuple [[T1]] |
| // CHECK: [[ELT0:%.*]] = pointer_to_address [[T2]] : $Builtin.RawPointer to [strict] $*Cat |
| // Element 0. |
| // CHECK: [[T0:%.*]] = function_ref @$s6errors10make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK: try_apply [[T0]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[NORM_0:bb[0-9]+]], error [[ERR_0:bb[0-9]+]] |
| // CHECK: [[NORM_0]]([[CAT0:%.*]] : @owned $Cat): |
| // CHECK-NEXT: store [[CAT0]] to [init] [[ELT0]] |
| // Element 1. |
| // CHECK-NEXT: [[T0:%.*]] = integer_literal $Builtin.Word, 1 |
| // CHECK-NEXT: [[ELT1:%.*]] = index_addr [[ELT0]] : $*Cat, [[T0]] |
| // CHECK-NEXT: [[ARG_COPY:%.*]] = copy_value [[ARG]] |
| // CHECK-NEXT: store [[ARG_COPY]] to [init] [[ELT1]] |
| // Element 2. |
| // CHECK-NEXT: [[T0:%.*]] = integer_literal $Builtin.Word, 2 |
| // CHECK-NEXT: [[ELT2:%.*]] = index_addr [[ELT0]] : $*Cat, [[T0]] |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @$s6errors10make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK-NEXT: try_apply [[T0]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[NORM_2:bb[0-9]+]], error [[ERR_2:bb[0-9]+]] |
| // CHECK: [[NORM_2]]([[CAT2:%.*]] : @owned $Cat): |
| // CHECK-NEXT: store [[CAT2]] to [init] [[ELT2]] |
| // Element 3. |
| // CHECK-NEXT: [[T0:%.*]] = integer_literal $Builtin.Word, 3 |
| // CHECK-NEXT: [[ELT3:%.*]] = index_addr [[ELT0]] : $*Cat, [[T0]] |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @$s6errors10make_a_catAA3CatCyKF : $@convention(thin) () -> (@owned Cat, @error Error) |
| // CHECK-NEXT: try_apply [[T0]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[NORM_3:bb[0-9]+]], error [[ERR_3:bb[0-9]+]] |
| // CHECK: [[NORM_3]]([[CAT3:%.*]] : @owned $Cat): |
| // CHECK-NEXT: store [[CAT3]] to [init] [[ELT3]] |
| // Complete the call and return. |
| // CHECK: [[TAKE_FN:%.*]] = function_ref @$s6errors14take_many_catsyyAA3CatCd_tKF : $@convention(thin) (@guaranteed Array<Cat>) -> @error Error |
| // CHECK-NEXT: try_apply [[TAKE_FN]]([[ARRAY]]) : $@convention(thin) (@guaranteed Array<Cat>) -> @error Error, normal [[NORM_CALL:bb[0-9]+]], error [[ERR_CALL:bb[0-9]+]] |
| // CHECK: [[NORM_CALL]]([[T0:%.*]] : $()): |
| // CHECK-NEXT: destroy_value [[ARRAY]] |
| // CHECK-NEXT: [[T0:%.*]] = tuple () |
| // CHECK-NEXT: return |
| // Failure from element 0. |
| // CHECK: [[ERR_0]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NOT: end_borrow |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @$ss29_deallocateUninitializedArray{{.*}}F |
| // CHECK-NEXT: apply [[T0]]<Cat>([[ARRAY]]) |
| // CHECK-NEXT: br [[RETHROW:.*]]([[ERROR]] : $Error) |
| // Failure from element 2. |
| // CHECK: [[ERR_2]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_addr [[ELT1]] |
| // CHECK-NEXT: destroy_addr [[ELT0]] |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @$ss29_deallocateUninitializedArray{{.*}}F |
| // CHECK-NEXT: apply [[T0]]<Cat>([[ARRAY]]) |
| // CHECK-NEXT: br [[RETHROW]]([[ERROR]] : $Error) |
| // Failure from element 3. |
| // CHECK: [[ERR_3]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_addr [[ELT2]] |
| // CHECK-NEXT: destroy_addr [[ELT1]] |
| // CHECK-NEXT: destroy_addr [[ELT0]] |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[T0:%.*]] = function_ref @$ss29_deallocateUninitializedArray{{.*}}F |
| // CHECK-NEXT: apply [[T0]]<Cat>([[ARRAY]]) |
| // CHECK-NEXT: br [[RETHROW]]([[ERROR]] : $Error) |
| // Failure from call. |
| // CHECK: [[ERR_CALL]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[ARRAY]] |
| // CHECK-NEXT: br [[RETHROW]]([[ERROR]] : $Error) |
| // Rethrow. |
| // CHECK: [[RETHROW]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: throw [[ERROR]] |
| // CHECK: } // end sil function '$s6errors13test_variadicyyAA3CatCKF' |
| |
| // rdar://20861374 |
| // Clear out the self box before delegating. |
| class BaseThrowingInit : HasThrowingInit { |
| var subField: Int |
| init(value: Int, subField: Int) throws { |
| self.subField = subField |
| try super.init(value: value) |
| } |
| } |
| // CHECK: sil hidden [ossa] @$s6errors16BaseThrowingInit{{.*}}c : $@convention(method) (Int, Int, @owned BaseThrowingInit) -> (@owned BaseThrowingInit, @error Error) |
| // CHECK: [[BOX:%.*]] = alloc_box ${ var BaseThrowingInit } |
| // CHECK: [[MARKED_BOX:%.*]] = mark_uninitialized [derivedself] [[BOX]] |
| // CHECK: [[PB:%.*]] = project_box [[MARKED_BOX]] |
| // Initialize subField. |
| // CHECK: [[T0:%.*]] = load_borrow [[PB]] |
| // CHECK-NEXT: [[T1:%.*]] = ref_element_addr [[T0]] : $BaseThrowingInit, #BaseThrowingInit.subField |
| // CHECK-NEXT: [[WRITE:%.*]] = begin_access [modify] [dynamic] [[T1]] : $*Int |
| // CHECK-NEXT: assign %1 to [[WRITE]] |
| // CHECK-NEXT: end_access [[WRITE]] |
| // CHECK-NEXT: end_borrow [[T0]] |
| // Super delegation. |
| // CHECK-NEXT: [[T0:%.*]] = load [take] [[PB]] |
| // CHECK-NEXT: [[T2:%.*]] = upcast [[T0]] : $BaseThrowingInit to $HasThrowingInit |
| // CHECK: [[T3:%[0-9]+]] = function_ref @$s6errors15HasThrowingInitC5valueACSi_tKcfc : $@convention(method) (Int, @owned HasThrowingInit) -> (@owned HasThrowingInit, @error Error) |
| // CHECK-NEXT: apply [[T3]](%0, [[T2]]) |
| |
| // Cleanups for writebacks. |
| |
| protocol Supportable { |
| mutating func support() throws |
| } |
| protocol Buildable { |
| associatedtype Structure : Supportable |
| var firstStructure: Structure { get set } |
| subscript(name: String) -> Structure { get set } |
| } |
| func supportFirstStructure<B: Buildable>(_ b: inout B) throws { |
| try b.firstStructure.support() |
| } |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors21supportFirstStructure{{.*}}F : $@convention(thin) <B where B : Buildable> (@inout B) -> @error Error { |
| // CHECK: [[MODIFY:%.*]] = witness_method $B, #Buildable.firstStructure!modify.1 : |
| // CHECK: ([[T1:%.*]], [[TOKEN:%.*]]) = begin_apply [[MODIFY]]<B>([[BASE:%[0-9]*]]) |
| // CHECK: [[SUPPORT:%.*]] = witness_method $B.Structure, #Supportable.support!1 : |
| // CHECK: try_apply [[SUPPORT]]<B.Structure>([[T1]]) : {{.*}}, normal [[BB_NORMAL:bb[0-9]+]], error [[BB_ERROR:bb[0-9]+]] |
| |
| // CHECK: [[BB_NORMAL]] |
| // CHECK: end_apply [[TOKEN]] |
| // CHECK: return |
| |
| // CHECK: [[BB_ERROR]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK: abort_apply [[TOKEN]] |
| // CHECK: throw [[ERROR]] |
| |
| // CHECK: } // end sil function '$s6errors21supportFirstStructure{{.*}}F' |
| |
| func supportStructure<B: Buildable>(_ b: inout B, name: String) throws { |
| try b[name].support() |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors16supportStructure_4nameyxz_SStKAA9BuildableRzlF : $@convention(thin) <B where B : Buildable> (@inout B, @guaranteed String) -> @error Error { |
| // CHECK: bb0({{.*}}, [[INDEX:%.*]] : @guaranteed $String): |
| // CHECK: [[INDEX_COPY:%.*]] = copy_value [[INDEX]] : $String |
| // CHECK: [[BORROWED_INDEX_COPY:%.*]] = begin_borrow [[INDEX_COPY]] |
| // CHECK: [[MODIFY:%.*]] = witness_method $B, #Buildable.subscript!modify.1 : |
| // CHECK: ([[T1:%.*]], [[TOKEN:%.*]]) = begin_apply [[MODIFY]]<B>([[BORROWED_INDEX_COPY]], [[BASE:%[0-9]*]]) |
| // CHECK: [[SUPPORT:%.*]] = witness_method $B.Structure, #Supportable.support!1 : |
| // CHECK: try_apply [[SUPPORT]]<B.Structure>([[T1]]) : $@convention(witness_method: Supportable) <τ_0_0 where τ_0_0 : Supportable> (@inout τ_0_0) -> @error Error, normal [[BB_NORMAL:bb[0-9]+]], error [[BB_ERROR:bb[0-9]+]] |
| |
| // CHECK: [[BB_NORMAL]] |
| // CHECK: end_apply [[TOKEN]] |
| // CHECK: end_borrow [[BORROWED_INDEX_COPY]] |
| // CHECK: destroy_value [[INDEX_COPY]] : $String |
| // CHECK: return |
| |
| // CHECK: [[BB_ERROR]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK: abort_apply [[TOKEN]] |
| // CHECK: end_borrow [[BORROWED_INDEX_COPY]] |
| // CHECK: destroy_value [[INDEX_COPY]] : $String |
| // CHECK: throw [[ERROR]] |
| |
| // CHECK: } // end sil function '$s6errors16supportStructure{{.*}}F' |
| |
| struct Pylon { |
| var name: String |
| mutating func support() throws {} |
| } |
| struct Bridge { |
| var mainPylon : Pylon |
| subscript(name: String) -> Pylon { |
| get { |
| return mainPylon |
| } |
| set {} |
| } |
| } |
| func supportStructure(_ b: inout Bridge, name: String) throws { |
| try b[name].support() |
| } |
| // CHECK: sil hidden [ossa] @$s6errors16supportStructure_4nameyAA6BridgeVz_SStKF : $@convention(thin) (@inout Bridge, @guaranteed String) -> @error Error { |
| // CHECK: bb0([[ARG1:%.*]] : $*Bridge, [[ARG2:%.*]] : @guaranteed $String): |
| // CHECK: [[INDEX_COPY_1:%.*]] = copy_value [[ARG2]] : $String |
| // CHECK-NEXT: [[WRITE:%.*]] = begin_access [modify] [unknown] [[ARG1]] : $*Bridge |
| // CHECK-NEXT: [[INDEX_COPY_2:%.*]] = copy_value [[INDEX_COPY_1]] : $String |
| // CHECK-NEXT: [[TEMP:%.*]] = alloc_stack $Pylon |
| // CHECK-NEXT: [[BASE:%.*]] = load_borrow [[WRITE]] : $*Bridge |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[GETTER:%.*]] = function_ref @$s6errors6BridgeVyAA5PylonVSScig : |
| // CHECK-NEXT: [[T0:%.*]] = apply [[GETTER]]([[INDEX_COPY_1]], [[BASE]]) |
| // CHECK-NEXT: store [[T0]] to [init] [[TEMP]] |
| // CHECK-NEXT: end_borrow [[BASE]] |
| // CHECK: [[SUPPORT:%.*]] = function_ref @$s6errors5PylonV7supportyyKF |
| // CHECK-NEXT: try_apply [[SUPPORT]]([[TEMP]]) : {{.*}}, normal [[BB_NORMAL:bb[0-9]+]], error [[BB_ERROR:bb[0-9]+]] |
| |
| // CHECK: [[BB_NORMAL]] |
| // CHECK-NEXT: [[T0:%.*]] = load [take] [[TEMP]] |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[SETTER:%.*]] = function_ref @$s6errors6BridgeVyAA5PylonVSScis : |
| // CHECK-NEXT: apply [[SETTER]]([[T0]], [[INDEX_COPY_2]], [[WRITE]]) |
| // CHECK-NEXT: end_access [[WRITE]] |
| // CHECK-NEXT: dealloc_stack [[TEMP]] |
| // CHECK-NEXT: destroy_value [[INDEX_COPY_1]] : $String |
| // CHECK-NEXT: tuple () |
| // CHECK-NEXT: return |
| |
| // We end up with ugly redundancy here because we don't want to |
| // consume things during cleanup emission. It's questionable. |
| // CHECK: [[BB_ERROR]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: [[T0:%.*]] = load [copy] [[TEMP]] |
| // CHECK-NEXT: [[INDEX_COPY_2_COPY:%.*]] = copy_value [[INDEX_COPY_2]] |
| // CHECK-NEXT: // function_ref |
| // CHECK-NEXT: [[SETTER:%.*]] = function_ref @$s6errors6BridgeVyAA5PylonVSScis : |
| // CHECK-NEXT: apply [[SETTER]]([[T0]], [[INDEX_COPY_2_COPY]], [[WRITE]]) |
| // CHECK-NEXT: destroy_addr [[TEMP]] |
| // CHECK-NEXT: dealloc_stack [[TEMP]] |
| // ==> SEMANTIC ARC TODO: INDEX_COPY_2 on the next line should be INDEX_COPY_2_COPY |
| // CHECK-NEXT: destroy_value [[INDEX_COPY_2]] : $String |
| // CHECK-NEXT: end_access [[WRITE]] |
| // CHECK-NEXT: destroy_value [[INDEX_COPY_1]] : $String |
| // CHECK-NEXT: throw [[ERROR]] |
| // CHECK: } // end sil function '$s6errors16supportStructure_4nameyAA6BridgeVz_SStKF' |
| |
| // ! peepholes its argument with getSemanticsProvidingExpr(). |
| // Test that that doesn't look through try!. |
| // rdar://21515402 |
| func testForcePeephole(_ f: () throws -> Int?) -> Int { |
| let x = (try! f())! |
| return x |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors15testOptionalTryyyF |
| // CHECK-NEXT: bb0: |
| // CHECK: [[FN:%.+]] = function_ref @$s6errors10make_a_catAA3CatCyKF |
| // CHECK-NEXT: try_apply [[FN]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[SUCCESS:[^ ]+]], error [[CLEANUPS:[^ ]+]], |
| // CHECK: [[SUCCESS]]([[VALUE:%.+]] : @owned $Cat) |
| // CHECK-NEXT: [[WRAPPED:%.+]] = enum $Optional<Cat>, #Optional.some!enumelt.1, [[VALUE]] |
| // CHECK-NEXT: br [[DONE:[^ ]+]]([[WRAPPED]] : $Optional<Cat>) |
| // CHECK: [[DONE]]([[RESULT:%.+]] : @owned $Optional<Cat>): |
| // CHECK-NEXT: destroy_value [[RESULT]] : $Optional<Cat> |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: [[CLEANUPS:.+]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[ERROR]] |
| // CHECK-NEXT: [[NONE:%.+]] = enum $Optional<Cat>, #Optional.none!enumelt |
| // CHECK-NEXT: br [[DONE]]([[NONE]] : $Optional<Cat>) |
| // CHECK: } // end sil function '$s6errors15testOptionalTryyyF' |
| func testOptionalTry() { |
| _ = try? make_a_cat() |
| } |
| |
| func sudo_make_a_cat() {} |
| |
| // CHECK-LABEL: sil hidden [ossa] @{{.*}}testOptionalTryThatNeverThrows |
| func testOptionalTryThatNeverThrows() { |
| guard let _ = try? sudo_make_a_cat() else { // expected-warning{{no calls to throwing}} |
| return |
| } |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors18testOptionalTryVaryyF |
| // CHECK-NEXT: bb0: |
| // CHECK-NEXT: [[BOX:%.+]] = alloc_box ${ var Optional<Cat> } |
| // CHECK-NEXT: [[PB:%.*]] = project_box [[BOX]] |
| // CHECK: [[FN:%.+]] = function_ref @$s6errors10make_a_catAA3CatCyKF |
| // CHECK-NEXT: try_apply [[FN]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[SUCCESS:[^ ]+]], error [[CLEANUPS:[^ ]+]], |
| // CHECK: [[SUCCESS]]([[VALUE:%.+]] : @owned $Cat) |
| // CHECK-NEXT: [[CAT_ENUM:%.+]] = enum $Optional<Cat>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: store [[CAT_ENUM]] to [init] [[PB]] : $*Optional<Cat> |
| // CHECK-NEXT: br [[DONE:[^ ]+]], |
| // CHECK: [[DONE]]: |
| // CHECK-NEXT: destroy_value [[BOX]] : ${ var Optional<Cat> } |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: [[CLEANUPS:.+]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[ERROR]] |
| // CHECK-NEXT: inject_enum_addr [[PB]] : $*Optional<Cat>, #Optional.none!enumelt |
| // CHECK-NEXT: br [[DONE]] |
| // CHECK: } // end sil function '$s6errors18testOptionalTryVaryyF' |
| func testOptionalTryVar() { |
| var cat = try? make_a_cat() // expected-warning {{initialization of variable 'cat' was never used; consider replacing with assignment to '_' or removing it}} |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors26testOptionalTryAddressOnly{{.*}}F |
| // CHECK: bb0(%0 : $*T): |
| // CHECK: [[BOX:%.+]] = alloc_stack $Optional<T> |
| // CHECK-NEXT: [[BOX_DATA:%.+]] = init_enum_data_addr [[BOX]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK: [[FN:%.+]] = function_ref @$s6errors11dont_return{{.*}}F |
| // CHECK-NEXT: try_apply [[FN]]<T>([[BOX_DATA]], %0) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> (@out τ_0_0, @error Error), normal [[SUCCESS:[^ ]+]], error [[CLEANUPS:[^ ]+]], |
| // CHECK: [[SUCCESS]]({{%.+}} : $()): |
| // CHECK-NEXT: inject_enum_addr [[BOX]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: br [[DONE:[^ ]+]], |
| // CHECK: [[DONE]]: |
| // CHECK-NEXT: destroy_addr [[BOX]] : $*Optional<T> |
| // CHECK-NEXT: dealloc_stack [[BOX]] : $*Optional<T> |
| // CHECK-NOT: destroy_addr %0 : $*T |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: [[CLEANUPS]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[ERROR]] |
| // CHECK-NEXT: inject_enum_addr [[BOX]] : $*Optional<T>, #Optional.none!enumelt |
| // CHECK-NEXT: br [[DONE]] |
| // CHECK: } // end sil function '$s6errors26testOptionalTryAddressOnlyyyxlF' |
| func testOptionalTryAddressOnly<T>(_ obj: T) { |
| _ = try? dont_return(obj) |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors29testOptionalTryAddressOnlyVar{{.*}}F |
| // CHECK: bb0(%0 : $*T): |
| // CHECK: [[BOX:%.+]] = alloc_box $<τ_0_0> { var Optional<τ_0_0> } <T> |
| // CHECK-NEXT: [[PB:%.*]] = project_box [[BOX]] |
| // CHECK-NEXT: [[BOX_DATA:%.+]] = init_enum_data_addr [[PB]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK: [[FN:%.+]] = function_ref @$s6errors11dont_return{{.*}}F |
| // CHECK-NEXT: try_apply [[FN]]<T>([[BOX_DATA]], %0) : $@convention(thin) <τ_0_0> (@in_guaranteed τ_0_0) -> (@out τ_0_0, @error Error), normal [[SUCCESS:[^ ]+]], error [[CLEANUPS:[^ ]+]], |
| // CHECK: [[SUCCESS]]({{%.+}} : $()): |
| // CHECK-NEXT: inject_enum_addr [[PB]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: br [[DONE:[^ ]+]], |
| // CHECK: [[DONE]]: |
| // CHECK-NEXT: destroy_value [[BOX]] : $<τ_0_0> { var Optional<τ_0_0> } <T> |
| // CHECK-NOT: destroy_addr %0 : $*T |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: [[CLEANUPS]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[ERROR]] |
| // CHECK-NEXT: inject_enum_addr [[PB]] : $*Optional<T>, #Optional.none!enumelt |
| // CHECK-NEXT: br [[DONE]] |
| // CHECK: } // end sil function '$s6errors29testOptionalTryAddressOnlyVaryyxlF' |
| func testOptionalTryAddressOnlyVar<T>(_ obj: T) { |
| var copy = try? dont_return(obj) // expected-warning {{initialization of variable 'copy' was never used; consider replacing with assignment to '_' or removing it}} |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors23testOptionalTryMultipleyyF |
| // CHECK: bb0: |
| // CHECK: [[FN_1:%.+]] = function_ref @$s6errors10make_a_catAA3CatCyKF |
| // CHECK-NEXT: try_apply [[FN_1]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[SUCCESS_1:[^ ]+]], error [[CLEANUPS_1:[^ ]+]], |
| // CHECK: [[SUCCESS_1]]([[VALUE_1:%.+]] : @owned $Cat) |
| // CHECK: [[FN_2:%.+]] = function_ref @$s6errors10make_a_catAA3CatCyKF |
| // CHECK-NEXT: try_apply [[FN_2]]() : $@convention(thin) () -> (@owned Cat, @error Error), normal [[SUCCESS_2:[^ ]+]], error [[CLEANUPS_2:[^ ]+]], |
| // CHECK: [[SUCCESS_2]]([[VALUE_2:%.+]] : @owned $Cat) |
| // CHECK-NEXT: [[TUPLE:%.+]] = tuple ([[VALUE_1]] : $Cat, [[VALUE_2]] : $Cat) |
| // CHECK-NEXT: [[WRAPPED:%.+]] = enum $Optional<(Cat, Cat)>, #Optional.some!enumelt.1, [[TUPLE]] |
| // CHECK-NEXT: br [[DONE:[^ ]+]]([[WRAPPED]] : $Optional<(Cat, Cat)>) |
| // CHECK: [[DONE]]([[RESULT:%.+]] : @owned $Optional<(Cat, Cat)>): |
| // CHECK-NEXT: destroy_value [[RESULT]] : $Optional<(Cat, Cat)> |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: [[FAILURE:.+]]([[ERROR:%.*]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[ERROR]] |
| // CHECK-NEXT: [[NONE:%.+]] = enum $Optional<(Cat, Cat)>, #Optional.none!enumelt |
| // CHECK-NEXT: br [[DONE]]([[NONE]] : $Optional<(Cat, Cat)>) |
| // CHECK: [[CLEANUPS_1]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK-NEXT: br [[FAILURE]]([[ERROR]] : $Error) |
| // CHECK: [[CLEANUPS_2]]([[ERROR:%.+]] : @owned $Error): |
| // CHECK-NEXT: destroy_value [[VALUE_1]] : $Cat |
| // CHECK-NEXT: br [[FAILURE]]([[ERROR]] : $Error) |
| // CHECK: } // end sil function '$s6errors23testOptionalTryMultipleyyF' |
| func testOptionalTryMultiple() { |
| _ = try? (make_a_cat(), make_a_cat()) |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors25testOptionalTryNeverFailsyyF |
| // CHECK: bb0: |
| // CHECK-NEXT: [[VALUE:%.+]] = tuple () |
| // CHECK-NEXT: = enum $Optional<()>, #Optional.some!enumelt.1, [[VALUE]] |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: } // end sil function '$s6errors25testOptionalTryNeverFailsyyF' |
| func testOptionalTryNeverFails() { |
| _ = try? () // expected-warning {{no calls to throwing functions occur within 'try' expression}} |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors28testOptionalTryNeverFailsVaryyF |
| // CHECK: bb0: |
| // CHECK-NEXT: [[BOX:%.+]] = alloc_box ${ var Optional<()> } |
| // CHECK-NEXT: [[PB:%.*]] = project_box [[BOX]] |
| // CHECK-NEXT: [[VALUE:%.+]] = tuple () |
| // CHECK-NEXT: [[ENUM:%.+]] = enum $Optional<()>, #Optional.some!enumelt.1, [[VALUE]] |
| // CHECK-NEXT: store [[ENUM]] to [trivial] [[PB]] : |
| // CHECK-NEXT: destroy_value [[BOX]] : ${ var Optional<()> } |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK-NEXT: } // end sil function '$s6errors28testOptionalTryNeverFailsVaryyF' |
| func testOptionalTryNeverFailsVar() { |
| var unit: ()? = try? () // expected-warning {{no calls to throwing functions occur within 'try' expression}} expected-warning {{variable 'unit' was never used; consider replacing with '_' or removing it}} |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors36testOptionalTryNeverFailsAddressOnly{{.*}}F |
| // CHECK: bb0(%0 : $*T): |
| // CHECK: [[BOX:%.+]] = alloc_stack $Optional<T> |
| // CHECK-NEXT: [[BOX_DATA:%.+]] = init_enum_data_addr [[BOX]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: copy_addr %0 to [initialization] [[BOX_DATA]] : $*T |
| // CHECK-NEXT: inject_enum_addr [[BOX]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: destroy_addr [[BOX]] : $*Optional<T> |
| // CHECK-NEXT: dealloc_stack [[BOX]] : $*Optional<T> |
| // CHECK-NOT: destroy_addr %0 : $*T |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK-NEXT: } // end sil function '$s6errors36testOptionalTryNeverFailsAddressOnlyyyxlF' |
| func testOptionalTryNeverFailsAddressOnly<T>(_ obj: T) { |
| _ = try? obj // expected-warning {{no calls to throwing functions occur within 'try' expression}} |
| } |
| |
| // CHECK-LABEL: sil hidden [ossa] @$s6errors39testOptionalTryNeverFailsAddressOnlyVar{{.*}}F |
| // CHECK: bb0(%0 : $*T): |
| // CHECK: [[BOX:%.+]] = alloc_box $<τ_0_0> { var Optional<τ_0_0> } <T> |
| // CHECK-NEXT: [[PB:%.*]] = project_box [[BOX]] |
| // CHECK-NEXT: [[BOX_DATA:%.+]] = init_enum_data_addr [[PB]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: copy_addr %0 to [initialization] [[BOX_DATA]] : $*T |
| // CHECK-NEXT: inject_enum_addr [[PB]] : $*Optional<T>, #Optional.some!enumelt.1 |
| // CHECK-NEXT: destroy_value [[BOX]] : $<τ_0_0> { var Optional<τ_0_0> } <T> |
| // CHECK-NEXT: [[VOID:%.+]] = tuple () |
| // CHECK-NEXT: return [[VOID]] : $() |
| // CHECK: } // end sil function '$s6errors13OtherErrorSubCACycfC' |
| func testOptionalTryNeverFailsAddressOnlyVar<T>(_ obj: T) { |
| var copy = try? obj // expected-warning {{no calls to throwing functions occur within 'try' expression}} expected-warning {{initialization of variable 'copy' was never used; consider replacing with assignment to '_' or removing it}} |
| } |
| |
| class SomeErrorClass : Error { } |
| |
| // CHECK-LABEL: sil_vtable SomeErrorClass |
| // CHECK-NEXT: #SomeErrorClass.init!allocator.1: {{.*}} : @$s6errors14SomeErrorClassCACycfC |
| // CHECK-NEXT: #SomeErrorClass.deinit!deallocator.1: @$s6errors14SomeErrorClassCfD |
| // CHECK-NEXT: } |
| |
| class OtherErrorSub : OtherError { } |
| |
| // CHECK-LABEL: sil_vtable OtherErrorSub { |
| // CHECK-NEXT: #OtherError.init!allocator.1: {{.*}} : @$s6errors13OtherErrorSubCACycfC [override] |
| // CHECK-NEXT: #OtherErrorSub.deinit!deallocator.1: @$s6errors13OtherErrorSubCfD // OtherErrorSub.__deallocating_deinit |
| // CHECK-NEXT:} |
