mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
240 lines
13 KiB
Swift
240 lines
13 KiB
Swift
// RUN: %target-swift-frontend -sdk %S/Inputs -I %S/Inputs -enable-source-import %s -emit-silgen -enable-sil-ownership | %FileCheck %s
|
|
|
|
// REQUIRES: objc_interop
|
|
|
|
import gizmo
|
|
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions5test3So8NSObjectCyF
|
|
func test3() -> NSObject {
|
|
// initializer returns at +1
|
|
return Gizmo()
|
|
// CHECK: [[GIZMO_META:%[0-9]+]] = metatype $@thick Gizmo.Type
|
|
// CHECK: [[CTOR:%[0-9]+]] = function_ref @_T0So5GizmoC{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thick Gizmo.Type) -> @owned Optional<Gizmo>
|
|
// CHECK-NEXT: [[GIZMO:%[0-9]+]] = apply [[CTOR]]([[GIZMO_META]]) : $@convention(method) (@thick Gizmo.Type) -> @owned Optional<Gizmo>
|
|
// CHECK: [[GIZMO_NS:%[0-9]+]] = upcast [[GIZMO:%[0-9]+]] : $Gizmo to $NSObject
|
|
// CHECK: return [[GIZMO_NS]] : $NSObject
|
|
|
|
// CHECK-LABEL: sil shared [serializable] @_T0So5GizmoC{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thick Gizmo.Type) -> @owned Optional<Gizmo>
|
|
// alloc is implicitly ns_returns_retained
|
|
// init is implicitly ns_consumes_self and ns_returns_retained
|
|
// CHECK: bb0([[GIZMO_META:%[0-9]+]] : @trivial $@thick Gizmo.Type):
|
|
// CHECK-NEXT: [[GIZMO_META_OBJC:%[0-9]+]] = thick_to_objc_metatype [[GIZMO_META]] : $@thick Gizmo.Type to $@objc_metatype Gizmo.Type
|
|
// CHECK-NEXT: [[GIZMO:%[0-9]+]] = alloc_ref_dynamic [objc] [[GIZMO_META_OBJC]] : $@objc_metatype Gizmo.Type, $Gizmo
|
|
// CHECK-NEXT: // function_ref
|
|
// CHECK-NEXT: [[INIT_CTOR:%[0-9]+]] = function_ref @_T0So5GizmoC{{[_0-9a-zA-Z]*}}fcTO
|
|
// CHECK-NEXT: [[RESULT:%[0-9]+]] = apply [[INIT_CTOR]]([[GIZMO]]) : $@convention(method) (@owned Gizmo) -> @owned Optional<Gizmo>
|
|
// CHECK-NEXT: return [[RESULT]] : $Optional<Gizmo>
|
|
}
|
|
|
|
|
|
|
|
// Normal message send with argument, no transfers.
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions5test5{{[_0-9a-zA-Z]*}}F
|
|
func test5(_ g: Gizmo) {
|
|
var g = g
|
|
Gizmo.inspect(g)
|
|
// CHECK: bb0([[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[GIZMO_BOX:%.*]] = alloc_box ${ var Gizmo }
|
|
// CHECK: [[GIZMO_BOX_PB:%.*]] = project_box [[GIZMO_BOX]]
|
|
// CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
|
|
// CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]]
|
|
// CHECK: store [[ARG_COPY]] to [init] [[GIZMO_BOX_PB]]
|
|
// CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]]
|
|
// CHECK: [[CLASS:%.*]] = metatype $@objc_metatype Gizmo.Type
|
|
// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[GIZMO_BOX_PB]] : $*Gizmo
|
|
// CHECK: [[V:%.*]] = load [copy] [[READ]]
|
|
// CHECK: [[G:%.*]] = enum $Optional<Gizmo>, #Optional.some!enumelt.1, [[V]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[CLASS]] : {{.*}}, #Gizmo.inspect!1.foreign
|
|
// CHECK: apply [[METHOD]]([[G]], [[CLASS]])
|
|
// CHECK: destroy_value [[G]]
|
|
// CHECK: destroy_value [[GIZMO_BOX]]
|
|
// CHECK: destroy_value [[ARG]]
|
|
}
|
|
// CHECK: } // end sil function '_T026objc_ownership_conventions5test5{{[_0-9a-zA-Z]*}}F'
|
|
|
|
// The argument to consume is __attribute__((ns_consumed)).
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions5test6{{[_0-9a-zA-Z]*}}F
|
|
func test6(_ g: Gizmo) {
|
|
var g = g
|
|
Gizmo.consume(g)
|
|
// CHECK: bb0([[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[GIZMO_BOX:%.*]] = alloc_box ${ var Gizmo }
|
|
// CHECK: [[GIZMO_BOX_PB:%.*]] = project_box [[GIZMO_BOX]]
|
|
// CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
|
|
// CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]]
|
|
// CHECK: store [[ARG_COPY]] to [init] [[GIZMO_BOX_PB]]
|
|
// CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]]
|
|
// CHECK: [[CLASS:%.*]] = metatype $@objc_metatype Gizmo.Type
|
|
// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[GIZMO_BOX_PB]] : $*Gizmo
|
|
// CHECK: [[V:%.*]] = load [copy] [[READ]]
|
|
// CHECK: [[G:%.*]] = enum $Optional<Gizmo>, #Optional.some!enumelt.1, [[V]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[CLASS]] : {{.*}}, #Gizmo.consume!1.foreign
|
|
// CHECK: apply [[METHOD]]([[G]], [[CLASS]])
|
|
// CHECK-NOT: destroy_value [[G]]
|
|
// CHECK: destroy_value [[GIZMO_BOX]]
|
|
// CHECK-NOT: destroy_value [[G]]
|
|
// CHECK: destroy_value [[ARG]]
|
|
// CHECK-NOT: destroy_value [[G]]
|
|
}
|
|
// CHECK: } // end sil function '_T026objc_ownership_conventions5test6{{[_0-9a-zA-Z]*}}F'
|
|
|
|
// fork is __attribute__((ns_consumes_self)).
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions5test7{{[_0-9a-zA-Z]*}}F
|
|
func test7(_ g: Gizmo) {
|
|
var g = g
|
|
g.fork()
|
|
// CHECK: bb0([[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[GIZMO_BOX:%.*]] = alloc_box ${ var Gizmo }
|
|
// CHECK: [[GIZMO_BOX_PB:%.*]] = project_box [[GIZMO_BOX]]
|
|
// CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
|
|
// CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]]
|
|
// CHECK: store [[ARG_COPY]] to [init] [[GIZMO_BOX_PB]]
|
|
// CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]]
|
|
// CHECK: [[READ:%.*]] = begin_access [read] [unknown] [[GIZMO_BOX_PB]] : $*Gizmo
|
|
// CHECK: [[G:%.*]] = load [copy] [[READ]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[G]] : {{.*}}, #Gizmo.fork!1.foreign
|
|
// CHECK: apply [[METHOD]]([[G]])
|
|
// CHECK-NOT: destroy_value [[G]]
|
|
// CHECK: destroy_value [[GIZMO_BOX]]
|
|
// CHECK-NOT: destroy_value [[G]]
|
|
// CHECK: destroy_value [[ARG]]
|
|
// CHECK-NOT: destroy_value [[G]]
|
|
}
|
|
// CHECK: } // end sil function '_T026objc_ownership_conventions5test7{{[_0-9a-zA-Z]*}}F'
|
|
|
|
// clone is __attribute__((ns_returns_retained)).
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions5test8{{[_0-9a-zA-Z]*}}F
|
|
func test8(_ g: Gizmo) -> Gizmo {
|
|
return g.clone()
|
|
// CHECK: bb0([[G:%.*]] : @owned $Gizmo):
|
|
// CHECK-NOT: copy_value
|
|
// CHECK: [[BORROWED_G:%.*]] = begin_borrow [[G]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[BORROWED_G]] : {{.*}}, #Gizmo.clone!1.foreign
|
|
// CHECK: end_borrow [[BORROWED_G]] from [[G]]
|
|
// CHECK-NOT: copy_value [[RESULT]]
|
|
// CHECK: bb2([[RESULT:%.*]] : @owned $Gizmo):
|
|
// CHECK-NOT: copy_value [[RESULT]]
|
|
// CHECK-NEXT: destroy_value [[G]]
|
|
// CHECK-NEXT: return [[RESULT]]
|
|
}
|
|
// duplicate returns an autoreleased object at +0.
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions5test9{{[_0-9a-zA-Z]*}}F
|
|
func test9(_ g: Gizmo) -> Gizmo {
|
|
return g.duplicate()
|
|
// CHECK: bb0([[G:%.*]] : @owned $Gizmo):
|
|
// CHECK-NOT: copy_value [[G:%0]]
|
|
// CHECK: [[BORROWED_G:%.*]] = begin_borrow [[G]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[BORROWED_G]] : {{.*}}, #Gizmo.duplicate!1.foreign
|
|
// CHECK-NEXT: [[RESULT:%.*]] = apply [[METHOD]]([[BORROWED_G]])
|
|
// CHECK: end_borrow [[BORROWED_G]] from [[G]]
|
|
// CHECK-NOT: copy_value [[RESULT]]
|
|
// CHECK: bb2([[RESULT:%.*]] : @owned $Gizmo):
|
|
// CHECK-NOT: copy_value [[RESULT]]
|
|
// CHECK-NEXT: destroy_value [[G]]
|
|
// CHECK-NEXT: return [[RESULT]]
|
|
}
|
|
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions6test10{{[_0-9a-zA-Z]*}}F
|
|
func test10(_ g: Gizmo) -> AnyClass {
|
|
// CHECK: bb0([[G:%[0-9]+]] : @owned $Gizmo):
|
|
// CHECK: [[BORROWED_G:%.*]] = begin_borrow [[G]]
|
|
// CHECK: [[G_COPY:%.*]] = copy_value [[BORROWED_G]]
|
|
// CHECK-NEXT: [[NS_G_COPY:%[0-9]+]] = upcast [[G_COPY]] : $Gizmo to $NSObject
|
|
// CHECK-NEXT: [[GETTER:%[0-9]+]] = objc_method [[NS_G_COPY]] : $NSObject, #NSObject.classProp!getter.1.foreign : (NSObject) -> () -> AnyObject.Type!, $@convention(objc_method) (NSObject) -> Optional<@objc_metatype AnyObject.Type>
|
|
// CHECK-NEXT: [[OPT_OBJC:%.*]] = apply [[GETTER]]([[NS_G_COPY]]) : $@convention(objc_method) (NSObject) -> Optional<@objc_metatype AnyObject.Type>
|
|
// CHECK-NEXT: switch_enum [[OPT_OBJC]] : $Optional<{{.*}}>, case #Optional.some!enumelt.1: [[SOME_BB:bb[0-9]+]], case #Optional.none!enumelt: [[NONE_BB:bb[0-9]+]]
|
|
//
|
|
// CHECK: [[SOME_BB]]([[OBJC:%.*]] : @trivial $@objc_metatype AnyObject.Type):
|
|
// CHECK-NEXT: [[THICK:%.*]] = objc_to_thick_metatype [[OBJC]]
|
|
// CHECK: [[T0:%.*]] = enum $Optional<@thick AnyObject.Type>, #Optional.some!enumelt.1, [[THICK]]
|
|
// CHECK: bb5([[RES:%.*]] : @trivial $@thick AnyObject.Type):
|
|
// CHECK: destroy_value [[NS_G_COPY]] : $NSObject
|
|
// CHECK: destroy_value [[G]] : $Gizmo
|
|
// CHECK-NEXT: return [[RES]] : $@thick AnyObject.Type
|
|
return g.classProp
|
|
}
|
|
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions6test11{{[_0-9a-zA-Z]*}}F
|
|
func test11(_ g: Gizmo) -> AnyClass {
|
|
// CHECK: bb0([[G:%[0-9]+]] : @owned $Gizmo):
|
|
// CHECK: [[BORROWED_G:%.*]] = begin_borrow [[G]]
|
|
// CHECK: [[G_COPY:%.*]] = copy_value [[BORROWED_G]]
|
|
// CHECK: [[NS_G_COPY:%[0-9]+]] = upcast [[G_COPY:%[0-9]+]] : $Gizmo to $NSObject
|
|
// CHECK-NEXT: [[GETTER:%[0-9]+]] = objc_method [[NS_G_COPY]] : $NSObject, #NSObject.qualifiedClassProp!getter.1.foreign : (NSObject) -> () -> NSAnsing.Type!, $@convention(objc_method) (NSObject) -> Optional<@objc_metatype NSAnsing.Type>
|
|
// CHECK-NEXT: [[OPT_OBJC:%.*]] = apply [[GETTER]]([[NS_G_COPY]]) : $@convention(objc_method) (NSObject) -> Optional<@objc_metatype NSAnsing.Type>
|
|
// CHECK-NEXT: switch_enum [[OPT_OBJC]] : $Optional<{{.*}}>, case #Optional.some!enumelt.1: [[SOME_BB:bb[0-9]+]], case #Optional.none!enumelt: [[NONE_BB:bb[0-9]+]]
|
|
//
|
|
// CHECK: [[SOME_BB]]([[OBJC:%.*]] : @trivial $@objc_metatype NSAnsing.Type):
|
|
// CHECK-NEXT: [[THICK:%.*]] = objc_to_thick_metatype [[OBJC]]
|
|
// CHECK: [[T0:%.*]] = enum $Optional<@thick NSAnsing.Type>, #Optional.some!enumelt.1, [[THICK]]
|
|
// CHECK: bb5([[RES:%.*]] : @trivial $@thick NSAnsing.Type):
|
|
// CHECK: [[OPENED:%.*]] = open_existential_metatype [[RES]]
|
|
// CHECK: [[RES_ANY:%.*]] = init_existential_metatype [[OPENED]]
|
|
// CHECK: destroy_value [[NS_G_COPY]] : $NSObject
|
|
// CHECK: destroy_value [[G]] : $Gizmo
|
|
// CHECK-NEXT: return [[RES_ANY]] : $@thick AnyObject.Type
|
|
return g.qualifiedClassProp
|
|
}
|
|
|
|
// ObjC blocks should have cdecl calling convention and follow C/ObjC
|
|
// ownership conventions, where the callee, arguments, and return are all +0.
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions10applyBlock{{[_0-9a-zA-Z]*}}F
|
|
func applyBlock(_ f: @convention(block) (Gizmo) -> Gizmo, x: Gizmo) -> Gizmo {
|
|
// CHECK: bb0([[BLOCK:%.*]] : @owned $@convention(block) @noescape (Gizmo) -> @autoreleased Gizmo, [[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[BLOCK_COPY:%.*]] = copy_block [[BLOCK]]
|
|
// CHECK: [[BORROWED_BLOCK_COPY:%.*]] = begin_borrow [[BLOCK_COPY]]
|
|
// CHECK: [[BLOCK_COPY_COPY:%.*]] = copy_value [[BORROWED_BLOCK_COPY]]
|
|
// CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
|
|
// CHECK: [[RESULT:%.*]] = apply [[BLOCK_COPY_COPY]]([[BORROWED_ARG]])
|
|
// CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]]
|
|
// CHECK: destroy_value [[BLOCK_COPY_COPY]]
|
|
// CHECK: end_borrow [[BORROWED_BLOCK_COPY]] from [[BLOCK_COPY]]
|
|
// CHECK: destroy_value [[ARG]]
|
|
// CHECK: destroy_value [[BLOCK_COPY]]
|
|
// CHECK: destroy_value [[BLOCK]]
|
|
// CHECK: return [[RESULT]]
|
|
return f(x)
|
|
}
|
|
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions15maybeApplyBlock{{[_0-9a-zA-Z]*}}F
|
|
func maybeApplyBlock(_ f: (@convention(block) (Gizmo) -> Gizmo)?, x: Gizmo) -> Gizmo? {
|
|
// CHECK: bb0([[BLOCK:%.*]] : @owned $Optional<@convention(block) (Gizmo) -> @autoreleased Gizmo>, [[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[BLOCK_COPY:%.*]] = copy_block [[BLOCK]]
|
|
return f?(x)
|
|
}
|
|
|
|
func useInnerPointer(_ p: UnsafeMutableRawPointer) {}
|
|
|
|
// Handle inner-pointer methods by autoreleasing self after the call.
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions18innerPointerMethodyySo5GizmoCF : $@convention(thin) (@owned Gizmo) -> () {
|
|
// CHECK: bb0([[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[BORROWED_ARG]] : $Gizmo, #Gizmo.getBytes!1.foreign : (Gizmo) -> () -> UnsafeMutableRawPointer, $@convention(objc_method) (Gizmo) -> @unowned_inner_pointer UnsafeMutableRawPointer
|
|
// CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]]
|
|
// => SEMANTIC ARC TODO: The apply below /should/ be on ARG_COPY. It is safe how
|
|
// it is today though since we are using a reference type.
|
|
// CHECK: [[PTR:%.*]] = apply [[METHOD]]([[BORROWED_ARG]])
|
|
// CHECK: autorelease_value [[ARG_COPY]]
|
|
// CHECK: [[USE:%.*]] = function_ref @_T026objc_ownership_conventions15useInnerPointer{{[_0-9a-zA-Z]*}}F
|
|
// CHECK: apply [[USE]]([[PTR]])
|
|
// CHECK: destroy_value [[ARG]]
|
|
func innerPointerMethod(_ g: Gizmo) {
|
|
useInnerPointer(g.getBytes())
|
|
}
|
|
|
|
// CHECK-LABEL: sil hidden @_T026objc_ownership_conventions20innerPointerPropertyyySo5GizmoCF : $@convention(thin) (@owned Gizmo) -> () {
|
|
// CHECK: bb0([[ARG:%.*]] : @owned $Gizmo):
|
|
// CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
|
|
// CHECK: [[METHOD:%.*]] = objc_method [[BORROWED_ARG]] : $Gizmo, #Gizmo.innerProperty!getter.1.foreign : (Gizmo) -> () -> UnsafeMutableRawPointer, $@convention(objc_method) (Gizmo) -> @unowned_inner_pointer UnsafeMutableRawPointer
|
|
// CHECK: [[ARG_COPY:%.*]] = copy_value [[BORROWED_ARG]]
|
|
// => SEMANTIC ARC TODO: The apply below should be on ARG_COPY. It is benign since objc objects are reference types.
|
|
// CHECK: [[PTR:%.*]] = apply [[METHOD]]([[BORROWED_ARG]])
|
|
// CHECK: autorelease_value [[ARG_COPY]]
|
|
// CHECK: [[USE:%.*]] = function_ref @_T026objc_ownership_conventions15useInnerPointer{{[_0-9a-zA-Z]*}}F
|
|
// CHECK: apply [[USE]]([[PTR]])
|
|
// CHECK: destroy_value [[ARG]]
|
|
// CHECK: } // end sil function '_T026objc_ownership_conventions20innerPointerPropertyyySo5GizmoCF'
|
|
func innerPointerProperty(_ g: Gizmo) {
|
|
useInnerPointer(g.innerProperty)
|
|
}
|