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|
// RUN: %target-swift-emit-silgen -module-name guaranteed_self -Xllvm -sil-full-demangle %s -disable-objc-attr-requires-foundation-module -enable-objc-interop | %FileCheck %s
protocol Fooable {
init()
func foo(_ x: Int)
mutating func bar()
mutating func bas()
var prop1: Int { get set }
var prop2: Int { get set }
var prop3: Int { get nonmutating set }
}
protocol Barrable: class {
init()
func foo(_ x: Int)
func bar()
func bas()
var prop1: Int { get set }
var prop2: Int { get set }
var prop3: Int { get set }
}
struct S: Fooable {
var x: C? // Make the type nontrivial, so +0/+1 is observable.
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thin S.Type) -> @owned S
init() {}
// TODO: Way too many redundant r/r pairs here. Should use +0 rvalues.
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV3foo{{[_0-9a-zA-Z]*}}F : $@convention(method) (Int, @guaranteed S) -> () {
// CHECK: bb0({{.*}} [[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: copy_value [[SELF]]
// CHECK-NOT: destroy_value [[SELF]]
func foo(_ x: Int) {
self.foo(x)
}
func foooo(_ x: (Int, Bool)) {
self.foooo(x)
}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV3bar{{[_0-9a-zA-Z]*}}F : $@convention(method) (@inout S) -> ()
// CHECK: bb0([[SELF:%.*]] : $*S):
// CHECK-NOT: destroy_addr [[SELF]]
mutating func bar() {
self.bar()
}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV3bas{{[_0-9a-zA-Z]*}}F : $@convention(method) (@guaranteed S) -> ()
// CHECK: bb0([[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: copy_value [[SELF]]
// CHECK-NOT: destroy_value [[SELF]]
func bas() {
self.bas()
}
var prop1: Int = 0
// Getter for prop1
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s15guaranteed_self1SV5prop1Sivg : $@convention(method) (@guaranteed S) -> Int
// CHECK: bb0([[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: destroy_value [[SELF]]
// Setter for prop1
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s15guaranteed_self1SV5prop1Sivs : $@convention(method) (Int, @inout S) -> ()
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: load [[SELF_ADDR]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// modify for prop1
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s15guaranteed_self1SV5prop1SivM : $@yield_once @convention(method) (@inout S) -> @yields @inout Int
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: load [[SELF_ADDR]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
var prop2: Int {
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV5prop2Sivg : $@convention(method) (@guaranteed S) -> Int
// CHECK: bb0([[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: destroy_value [[SELF]]
get { return 0 }
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV5prop2Sivs : $@convention(method) (Int, @inout S) -> ()
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s15guaranteed_self1SV5prop2SivM : $@yield_once @convention(method) (@inout S) -> @yields @inout Int
set { }
}
var prop3: Int {
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV5prop3Sivg : $@convention(method) (@guaranteed S) -> Int
// CHECK: bb0([[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: destroy_value [[SELF]]
get { return 0 }
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1SV5prop3Sivs : $@convention(method) (Int, @guaranteed S) -> ()
// CHECK: bb0({{.*}} [[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s15guaranteed_self1SV5prop3SivM : $@yield_once @convention(method) (@guaranteed S) -> @yields @inout Int
// CHECK: bb0([[SELF:%.*]] : @guaranteed $S):
// CHECK-NOT: destroy_value [[SELF]]
nonmutating set { }
}
}
// Witness thunk for nonmutating 'foo'
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP3foo{{[_0-9a-zA-Z]*}}FTW :
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for mutating 'bar'
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP3bar{{[_0-9a-zA-Z]*}}FTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: load [[SELF_ADDR]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for 'bas', which is mutating in the protocol, but nonmutating
// in the implementation
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP3bas{{[_0-9a-zA-Z]*}}FTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK: end_borrow [[SELF]]
// CHECK-NOT: destroy_value [[SELF]]
// Witness thunk for prop1 getter
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop1SivgTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_value [[SELF]]
// Witness thunk for prop1 setter
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop1SivsTW :
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop1 modify
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop1SivMTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop2 getter
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop2SivgTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop2 setter
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop2SivsTW :
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop2 modify
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop2SivMTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop3 getter
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop3SivgTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop3 nonmutating setter
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop3SivsTW :
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness thunk for prop3 nonmutating modify
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1SVAA7FooableA2aDP5prop3SivMTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*S):
// CHECK: [[SELF:%.*]] = load_borrow [[SELF_ADDR]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// CHECK: } // end sil function '$s15guaranteed_self1SVAA7FooableA2aDP5prop3SivMTW'
//
// TODO: Expected output for the other cases
//
struct AO<T>: Fooable {
var x: T?
init() {}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self2AOV3foo{{[_0-9a-zA-Z]*}}F : $@convention(method) <T> (Int, @in_guaranteed AO<T>) -> ()
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*AO<T>):
// CHECK: apply {{.*}} [[SELF_ADDR]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// CHECK: }
func foo(_ x: Int) {
self.foo(x)
}
mutating func bar() {
self.bar()
}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self2AOV3bas{{[_0-9a-zA-Z]*}}F : $@convention(method) <T> (@in_guaranteed AO<T>) -> ()
// CHECK: bb0([[SELF_ADDR:%.*]] : $*AO<T>):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
func bas() {
self.bas()
}
var prop1: Int = 0
var prop2: Int {
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self2AOV5prop2Sivg : $@convention(method) <T> (@in_guaranteed AO<T>) -> Int {
// CHECK: bb0([[SELF_ADDR:%.*]] : $*AO<T>):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
get { return 0 }
set { }
}
var prop3: Int {
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self2AOV5prop3Sivg : $@convention(method) <T> (@in_guaranteed AO<T>) -> Int
// CHECK: bb0([[SELF_ADDR:%.*]] : $*AO<T>):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
get { return 0 }
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self2AOV5prop3Sivs : $@convention(method) <T> (Int, @in_guaranteed AO<T>) -> ()
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*AO<T>):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// CHECK-LABEL: sil hidden [transparent] [ossa] @$s15guaranteed_self2AOV5prop3SivM : $@yield_once @convention(method) <T> (@in_guaranteed AO<T>) -> @yields @inout Int
// CHECK: bb0([[SELF_ADDR:%.*]] : $*AO<T>):
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// CHECK: }
nonmutating set { }
}
}
// Witness for nonmutating 'foo'
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self2AOVyxGAA7FooableA2aEP3foo{{[_0-9a-zA-Z]*}}FTW :
// CHECK: bb0({{.*}} [[SELF_ADDR:%.*]] : $*AO<τ_0_0>):
// CHECK: apply {{.*}} [[SELF_ADDR]]
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
// Witness for 'bar', which is mutating in protocol but nonmutating in impl
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self2AOVyxGAA7FooableA2aEP3bar{{[_0-9a-zA-Z]*}}FTW :
// CHECK: bb0([[SELF_ADDR:%.*]] : $*AO<τ_0_0>):
// -- NB: This copy is not necessary, since we're willing to assume an inout
// parameter is not mutably aliased.
// CHECK: apply {{.*}}([[SELF_ADDR]])
// CHECK-NOT: destroy_addr [[SELF_ADDR]]
class C: Fooable, Barrable {
// Allocating initializer
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s15guaranteed_self1CC{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thick C.Type) -> @owned C
// CHECK: [[SELF1:%.*]] = alloc_ref $C
// CHECK-NOT: [[SELF1]]
// CHECK: [[SELF2:%.*]] = apply {{.*}}([[SELF1]])
// CHECK-NOT: [[SELF2]]
// CHECK: return [[SELF2]]
// Initializing constructors still have the +1 in, +1 out convention.
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1CC{{[_0-9a-zA-Z]*}}fc : $@convention(method) (@owned C) -> @owned C {
// CHECK: bb0([[SELF:%.*]] : @owned $C):
// CHECK: [[MARKED_SELF:%.*]] = mark_uninitialized [rootself] [[SELF]]
// CHECK: [[MARKED_SELF_RESULT:%.*]] = copy_value [[MARKED_SELF]]
// CHECK: destroy_value [[MARKED_SELF]]
// CHECK: return [[MARKED_SELF_RESULT]]
// CHECK: } // end sil function '$s15guaranteed_self1CC{{[_0-9a-zA-Z]*}}fc'
// @objc thunk for initializing constructor
// CHECK-LABEL: sil private [thunk] [ossa] @$s15guaranteed_self1CC{{[_0-9a-zA-Z]*}}fcTo : $@convention(objc_method) (@owned C) -> @owned C
// CHECK: bb0([[SELF:%.*]] : @owned $C):
// CHECK-NOT: copy_value [[SELF]]
// CHECK: [[SELF2:%.*]] = apply {{%.*}}([[SELF]])
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_value [[SELF2]]
// CHECK: return [[SELF2]]
// CHECK: } // end sil function '$s15guaranteed_self1CC{{[_0-9a-zA-Z]*}}fcTo'
@objc required init() {}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1CC3foo{{[_0-9a-zA-Z]*}}F : $@convention(method) (Int, @guaranteed C) -> ()
// CHECK: bb0({{.*}} [[SELF:%.*]] : @guaranteed $C):
// CHECK-NOT: copy_value
// CHECK-NOT: destroy_value
// CHECK: } // end sil function '$s15guaranteed_self1CC3foo{{[_0-9a-zA-Z]*}}F'
// CHECK-LABEL: sil private [thunk] [ossa] @$s15guaranteed_self1CC3foo{{[_0-9a-zA-Z]*}}FTo : $@convention(objc_method) (Int, C) -> () {
// CHECK: bb0({{.*}} [[SELF:%.*]] : @unowned $C):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
// CHECK: apply {{.*}}({{.*}}, [[BORROWED_SELF_COPY]])
// CHECK: end_borrow [[BORROWED_SELF_COPY]]
// CHECK: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK: } // end sil function '$s15guaranteed_self1CC3foo{{[_0-9a-zA-Z]*}}FTo'
@objc func foo(_ x: Int) {
self.foo(x)
}
@objc func bar() {
self.bar()
}
@objc func bas() {
self.bas()
}
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1CC5prop1SivgTo : $@convention(objc_method) (C) -> Int
// CHECK: bb0([[SELF:%.*]] : @unowned $C):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
// CHECK: apply {{.*}}([[BORROWED_SELF_COPY]])
// CHECK: end_borrow [[BORROWED_SELF_COPY]]
// CHECK: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK-NOT: destroy_value [[SELF_COPY]]
// CHECK-LABEL: sil private [transparent] [thunk] [ossa] @$s15guaranteed_self1CC5prop1SivsTo : $@convention(objc_method) (Int, C) -> ()
// CHECK: bb0({{.*}} [[SELF:%.*]] : @unowned $C):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
// CHECK: apply {{.*}} [[BORROWED_SELF_COPY]]
// CHECK: end_borrow [[BORROWED_SELF_COPY]]
// CHECK: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK: }
@objc var prop1: Int = 0
@objc var prop2: Int {
get { return 0 }
set {}
}
@objc var prop3: Int {
get { return 0 }
set {}
}
}
class D: C {
// CHECK-LABEL: sil hidden [exact_self_class] [ossa] @$s15guaranteed_self1DC{{[_0-9a-zA-Z]*}}fC : $@convention(method) (@thick D.Type) -> @owned D
// CHECK: [[SELF1:%.*]] = alloc_ref $D
// CHECK-NOT: [[SELF1]]
// CHECK: [[SELF2:%.*]] = apply {{.*}}([[SELF1]])
// CHECK-NOT: [[SELF1]]
// CHECK-NOT: [[SELF2]]
// CHECK: return [[SELF2]]
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self1DC{{[_0-9a-zA-Z]*}}fc : $@convention(method) (@owned D) -> @owned D
// CHECK: bb0([[SELF:%.*]] : @owned $D):
// CHECK: [[SELF_BOX:%.*]] = alloc_box ${ var D }
// CHECK-NEXT: [[MARKED_SELF_BOX:%.*]] = mark_uninitialized [derivedself] [[SELF_BOX]]
// CHECK-NEXT: [[LIFETIME:%.+]] = begin_borrow [lexical] [var_decl] [[MARKED_SELF_BOX]]
// CHECK-NEXT: [[PB:%.*]] = project_box [[LIFETIME]]
// CHECK-NEXT: store [[SELF]] to [init] [[PB]]
// CHECK-NOT: [[PB]]
// CHECK: [[SELF1:%.*]] = load [take] [[PB]]
// CHECK-NEXT: [[SUPER1:%.*]] = upcast [[SELF1]]
// CHECK-NOT: [[PB]]
// CHECK: [[SUPER2:%.*]] = apply {{.*}}([[SUPER1]])
// CHECK-NEXT: [[SELF2:%.*]] = unchecked_ref_cast [[SUPER2]]
// CHECK-NEXT: store [[SELF2]] to [init] [[PB]]
// CHECK-NOT: [[PB]]
// CHECK-NOT: [[SELF1]]
// CHECK-NOT: [[SUPER1]]
// CHECK-NOT: [[SELF2]]
// CHECK-NOT: [[SUPER2]]
// CHECK: [[SELF_FINAL:%.*]] = load [copy] [[PB]]
// CHECK-NEXT: end_borrow [[LIFETIME]]
// CHECK-NEXT: destroy_value [[MARKED_SELF_BOX]]
// CHECK-NEXT: return [[SELF_FINAL]]
required init() {
super.init()
}
// CHECK-LABEL: sil shared [transparent] [serialized] [thunk] [ossa] @$s15guaranteed_self1DC3foo{{[_0-9a-zA-Z]*}}FTD : $@convention(method) (Int, @guaranteed D) -> ()
// CHECK: bb0({{.*}} [[SELF:%.*]] : @guaranteed $D):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]]
// CHECK: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF_COPY]]
// CHECK-NOT: destroy_value [[SELF]]
// CHECK: }
dynamic override func foo(_ x: Int) {
self.foo(x)
}
}
func S_curryThunk(_ s: S) -> ((S) -> (Int) -> ()/*, Int -> ()*/) {
return (S.foo /*, s.foo*/)
}
func AO_curryThunk<T>(_ ao: AO<T>) -> ((AO<T>) -> (Int) -> ()/*, Int -> ()*/) {
return (AO.foo /*, ao.foo*/)
}
// ----------------------------------------------------------------------------
// Make sure that we properly translate in_guaranteed parameters
// correctly if we are asked to.
// ----------------------------------------------------------------------------
// CHECK-LABEL: sil shared [transparent] [serialized] [thunk] [ossa] @$s15guaranteed_self9FakeArrayVAA8SequenceA2aDP17_constrainElement{{[_0-9a-zA-Z]*}}FTW :
// CHECK: bb0([[ARG0_PTR:%.*]] : $*FakeElement, [[ARG1_PTR:%.*]] : $*FakeArray):
// CHECK: [[ARG0:%.*]] = load [trivial] [[ARG0_PTR]]
// CHECK: function_ref (extension in guaranteed_self):guaranteed_self.SequenceDefaults._constrainElement
// CHECK: [[FUN:%.*]] = function_ref @{{.*}}
// CHECK: apply [[FUN]]<FakeArray>([[ARG0]], [[ARG1_PTR]])
class Z {}
public struct FakeGenerator {}
public struct FakeArray {
var z = Z()
}
public struct FakeElement {}
public protocol FakeGeneratorProtocol {
associatedtype Element
}
extension FakeGenerator : FakeGeneratorProtocol {
public typealias Element = FakeElement
}
public protocol SequenceDefaults {
associatedtype Element
associatedtype Generator : FakeGeneratorProtocol
}
extension SequenceDefaults {
public func _constrainElement(_: FakeGenerator.Element) {}
}
public protocol Sequence : SequenceDefaults {
func _constrainElement(_: Element)
}
extension FakeArray : Sequence {
public typealias Element = FakeElement
public typealias Generator = FakeGenerator
func _containsElement(_: Element) {}
}
// -----------------------------------------------------------------------------
// Make sure that we do not emit extra copy_values when accessing let fields of
// guaranteed parameters.
// -----------------------------------------------------------------------------
class Kraken {
func enrage() {}
}
func destroyShip(_ k: Kraken) {}
class LetFieldClass {
let letk = Kraken()
var vark = Kraken()
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self13LetFieldClassC10letkMethod{{[_0-9a-zA-Z]*}}F : $@convention(method) (@guaranteed LetFieldClass) -> () {
// CHECK: bb0([[CLS:%.*]] : @guaranteed $LetFieldClass):
// CHECK: [[KRAKEN_ADDR:%.*]] = ref_element_addr [[CLS]] : $LetFieldClass, #LetFieldClass.letk
// CHECK-NEXT: [[KRAKEN:%.*]] = load [copy] [[KRAKEN_ADDR]]
// CHECK-NEXT: [[KRAKEN_METH:%.*]] = class_method [[KRAKEN]]
// CHECK-NEXT: apply [[KRAKEN_METH]]([[KRAKEN]])
// CHECK: [[KRAKEN_ADDR:%.*]] = ref_element_addr [[CLS]] : $LetFieldClass, #LetFieldClass.letk
// CHECK-NEXT: [[KRAKEN:%.*]] = load [copy] [[KRAKEN_ADDR]]
// CHECK: [[MOVED_KRAKEN:%.*]] = move_value [lexical] [var_decl] [[KRAKEN]]
// CHECK: [[REBORROWED_KRAKEN:%.*]] = begin_borrow [[MOVED_KRAKEN]]
// CHECK: [[DESTROY_SHIP_FUN:%.*]] = function_ref @$s15guaranteed_self11destroyShipyyAA6KrakenCF : $@convention(thin) (@guaranteed Kraken) -> ()
// CHECK-NEXT: apply [[DESTROY_SHIP_FUN]]([[REBORROWED_KRAKEN]])
// CHECK-NEXT: end_borrow [[REBORROWED_KRAKEN]]
// CHECK-NEXT: destroy_value [[MOVED_KRAKEN]]
// CHECK-NEXT: [[KRAKEN_BOX:%.*]] = alloc_box ${ var Kraken }
// CHECK-NEXT: [[KRAKEN_LIFETIME:%.+]] = begin_borrow [lexical] [var_decl] [[KRAKEN_BOX]]
// CHECK-NEXT: [[PB:%.*]] = project_box [[KRAKEN_LIFETIME]]
// CHECK-NEXT: [[KRAKEN_ADDR:%.*]] = ref_element_addr [[CLS]] : $LetFieldClass, #LetFieldClass.letk
// CHECK-NEXT: [[KRAKEN:%.*]] = load [copy] [[KRAKEN_ADDR]]
// CHECK-NEXT: store [[KRAKEN]] to [init] [[PB]]
// CHECK-NEXT: [[READ:%.*]] = begin_access [read] [unknown] [[PB]] : $*Kraken
// CHECK-NEXT: [[KRAKEN_COPY:%.*]] = load [copy] [[READ]]
// CHECK-NEXT: end_access [[READ]] : $*Kraken
// CHECK: [[DESTROY_SHIP_FUN:%.*]] = function_ref @$s15guaranteed_self11destroyShipyyAA6KrakenCF : $@convention(thin) (@guaranteed Kraken) -> ()
// CHECK-NEXT: apply [[DESTROY_SHIP_FUN]]([[KRAKEN_COPY]])
// CHECK-NEXT: destroy_value [[KRAKEN_COPY]]
// CHECK-NEXT: end_borrow [[KRAKEN_LIFETIME]]
// CHECK-NEXT: destroy_value [[KRAKEN_BOX]]
// CHECK-NEXT: tuple
// CHECK-NEXT: return
// CHECK: } // end sil function
func letkMethod() {
do {
letk.enrage()
}
do {
let ll = letk
destroyShip(ll)
}
do {
var lv = letk
destroyShip(lv)
}
}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self13LetFieldClassC10varkMethod{{[_0-9a-zA-Z]*}}F : $@convention(method) (@guaranteed LetFieldClass) -> () {
// CHECK: bb0([[CLS:%.*]] : @guaranteed $LetFieldClass):
// CHECK: [[KRAKEN_GETTER_FUN:%.*]] = class_method [[CLS]] : $LetFieldClass, #LetFieldClass.vark!getter : (LetFieldClass) -> () -> Kraken, $@convention(method) (@guaranteed LetFieldClass) -> @owned Kraken
// CHECK-NEXT: [[KRAKEN:%.*]] = apply [[KRAKEN_GETTER_FUN]]([[CLS]])
// CHECK-NEXT: [[KRAKEN_METH:%.*]] = class_method [[KRAKEN]]
// CHECK-NEXT: apply [[KRAKEN_METH]]([[KRAKEN]])
// CHECK-NEXT: destroy_value [[KRAKEN]]
// CHECK-NEXT: [[KRAKEN_GETTER_FUN:%.*]] = class_method [[CLS]] : $LetFieldClass, #LetFieldClass.vark!getter : (LetFieldClass) -> () -> Kraken, $@convention(method) (@guaranteed LetFieldClass) -> @owned Kraken
// CHECK-NEXT: [[KRAKEN:%.*]] = apply [[KRAKEN_GETTER_FUN]]([[CLS]])
// CHECK: [[MOVED_KRAKEN:%.*]] = move_value [lexical] [var_decl] [[KRAKEN]]
// CHECK: [[BORROWED_KRAKEN:%.*]] = begin_borrow [[MOVED_KRAKEN]]
// CHECK: [[DESTROY_SHIP_FUN:%.*]] = function_ref @$s15guaranteed_self11destroyShipyyAA6KrakenCF : $@convention(thin) (@guaranteed Kraken) -> ()
// CHECK-NEXT: apply [[DESTROY_SHIP_FUN]]([[BORROWED_KRAKEN]])
// CHECK-NEXT: end_borrow [[BORROWED_KRAKEN]]
// CHECK-NEXT: [[KRAKEN_BOX:%.*]] = alloc_box ${ var Kraken }
// CHECK-NEXT: [[KRAKEN_LIFETIME:%.+]] = begin_borrow [lexical] [var_decl] [[KRAKEN_BOX]]
// CHECK-NEXT: [[PB:%.*]] = project_box [[KRAKEN_LIFETIME]]
// CHECK-NEXT: [[KRAKEN_GETTER_FUN:%.*]] = class_method [[CLS]] : $LetFieldClass, #LetFieldClass.vark!getter : (LetFieldClass) -> () -> Kraken, $@convention(method) (@guaranteed LetFieldClass) -> @owned Kraken
// CHECK-NEXT: [[KRAKEN2:%.*]] = apply [[KRAKEN_GETTER_FUN]]([[CLS]])
// CHECK-NEXT: store [[KRAKEN2]] to [init] [[PB]]
// CHECK-NEXT: [[WRITE:%.*]] = begin_access [read] [unknown] [[PB]] : $*Kraken
// CHECK-NEXT: [[KRAKEN_COPY:%.*]] = load [copy] [[WRITE]]
// CHECK-NEXT: end_access [[WRITE]] : $*Kraken
// CHECK: [[DESTROY_SHIP_FUN:%.*]] = function_ref @$s15guaranteed_self11destroyShipyyAA6KrakenCF : $@convention(thin) (@guaranteed Kraken) -> ()
// CHECK-NEXT: apply [[DESTROY_SHIP_FUN]]([[KRAKEN_COPY]])
// CHECK-NEXT: destroy_value [[KRAKEN_COPY]]
// CHECK-NEXT: end_borrow [[KRAKEN_LIFETIME]]
// CHECK-NEXT: destroy_value [[KRAKEN_BOX]]
// CHECK-NEXT: destroy_value [[MOVED_KRAKEN]]
// CHECK-NEXT: tuple
// CHECK-NEXT: return
func varkMethod() {
vark.enrage()
let vl = vark
destroyShip(vl)
var vv = vark
destroyShip(vv)
}
}
// -----------------------------------------------------------------------------
// Make sure that in all of the following cases find has only one copy_value in it.
// -----------------------------------------------------------------------------
class ClassIntTreeNode {
let value : Int
let left, right : ClassIntTreeNode
init() {}
// CHECK-LABEL: sil hidden [ossa] @$s15guaranteed_self16ClassIntTreeNodeC4find{{[_0-9a-zA-Z]*}}F : $@convention(method) (Int, @guaranteed ClassIntTreeNode) -> @owned ClassIntTreeNode {
// CHECK-NOT: destroy_value
// CHECK: copy_value
// CHECK-NOT: copy_value
// CHECK: destroy_value
// CHECK: destroy_value
// CHECK-NOT: destroy_value
// CHECK: return
func find(_ v : Int) -> ClassIntTreeNode {
if v == value { return self }
if v < value { return left.find(v) }
return right.find(v)
}
}
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