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objc_bridging.swift
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// RUN: rm -rf %t && mkdir -p %t
// RUN: %build-silgen-test-overlays
// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -emit-module -o %t -I %S/../Inputs/ObjCBridging %S/../Inputs/ObjCBridging/Appliances.swift
// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -I %S/../Inputs/ObjCBridging -Xllvm -sil-full-demangle -emit-silgen %s | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-%target-cpu --check-prefix=CHECK-%target-os-%target-cpu
// REQUIRES: objc_interop
import Foundation
import Appliances
func getDescription(_ o: NSObject) -> String {
return o.description
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging14getDescription
// CHECK: bb0({{%.*}} : $NSObject):
// CHECK: [[DESCRIPTION:%.*]] = class_method [volatile] {{%.*}} : {{.*}}, #NSObject.description!getter.1.foreign
// CHECK: [[OPT_BRIDGED:%.*]] = apply [[DESCRIPTION]]({{%.*}})
// CHECK: select_enum [[OPT_BRIDGED]]
// CHECK: [[BRIDGED:%.*]] = unchecked_enum_data [[OPT_BRIDGED]]
// CHECK: [[NSSTRING_TO_STRING:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[BRIDGED_BOX:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[BRIDGED]]
// CHECK: [[NATIVE:%.*]] = apply [[NSSTRING_TO_STRING]]([[BRIDGED_BOX]],
// CHECK: [[OPT_NATIVE:%.*]] = enum $Optional<String>, #Optional.some!enumelt.1, [[NATIVE]]
// CHECK: [[NATIVE:%.*]] = unchecked_enum_data {{.*}} : $Optional<String>
// CHECK: return [[NATIVE]]
// CHECK:}
func getUppercaseString(_ s: NSString) -> String {
return s.uppercase()
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging18getUppercaseString
// CHECK: bb0({{%.*}} : $NSString):
// -- The 'self' argument of NSString methods doesn't bridge.
// CHECK-NOT: function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK-NOT: function_ref @swift_StringToNSString
// CHECK: [[UPPERCASE_STRING:%.*]] = class_method [volatile] {{%.*}} : {{.*}}, #NSString.uppercase!1.foreign
// CHECK: [[OPT_BRIDGED:%.*]] = apply [[UPPERCASE_STRING]]({{%.*}})
// CHECK: select_enum [[OPT_BRIDGED]]
// CHECK: [[BRIDGED:%.*]] = unchecked_enum_data [[OPT_BRIDGED]]
// CHECK: [[NSSTRING_TO_STRING:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[BRIDGED_BOX:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[BRIDGED]]
// CHECK: [[NATIVE:%.*]] = apply [[NSSTRING_TO_STRING]]([[BRIDGED_BOX]]
// CHECK: [[OPT_NATIVE:%.*]] = enum $Optional<String>, #Optional.some!enumelt.1, [[NATIVE]]
// CHECK: [[NATIVE:%.*]] = unchecked_enum_data {{.*}} : $Optional<String>
// CHECK: return [[NATIVE]]
// CHECK: }
// @interface Foo -(void) setFoo: (NSString*)s; @end
func setFoo(_ f: Foo, s: String) {
var s = s
f.setFoo(s)
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging6setFoo
// CHECK: bb0({{%.*}} : $Foo, {{%.*}} : $String):
// CHECK: [[SET_FOO:%.*]] = class_method [volatile] [[F:%.*]] : {{.*}}, #Foo.setFoo!1.foreign
// CHECK: [[NV:%.*]] = load
// CHECK: [[OPT_NATIVE:%.*]] = enum $Optional<String>, #Optional.some!enumelt.1, [[NV]]
// CHECK: select_enum [[OPT_NATIVE]]
// CHECK: [[NATIVE:%.*]] = unchecked_enum_data [[OPT_NATIVE]]
// CHECK: [[STRING_TO_NSSTRING:%.*]] = function_ref @_TFE10FoundationSS19_bridgeToObjectiveCfT_CSo8NSString
// CHECK: [[BRIDGED:%.*]] = apply [[STRING_TO_NSSTRING]]([[NATIVE]])
// CHECK: = enum $Optional<NSString>, #Optional.some!enumelt.1, [[BRIDGED]]
// CHECK: bb3([[OPT_BRIDGED:%.*]] : $Optional<NSString>):
// CHECK: apply [[SET_FOO]]([[OPT_BRIDGED]], %0)
// CHECK: destroy_value [[OPT_BRIDGED]]
// CHECK: }
// @interface Foo -(BOOL) zim; @end
func getZim(_ f: Foo) -> Bool {
return f.zim()
}
// CHECK-ios-i386-LABEL: sil hidden @_TF13objc_bridging6getZim
// CHECK-ios-i386: [[OBJC_BOOL:%.*]] = apply {{.*}} : $@convention(objc_method) (Foo) -> ObjCBool
// CHECK-ios-i386: [[CONVERT:%.*]] = function_ref @swift_ObjCBoolToBool : $@convention(thin) (ObjCBool) -> Bool
// CHECK-ios-i386: [[SWIFT_BOOL:%.*]] = apply [[CONVERT]]([[OBJC_BOOL]]) : $@convention(thin) (ObjCBool) -> Bool
// CHECK-ios-i386: return [[SWIFT_BOOL]] : $Bool
// CHECK-ios-i386: }
// CHECK-watchos-i386-LABEL: sil hidden @_TF13objc_bridging6getZim
// CHECK-watchos-i386: [[BOOL:%.*]] = apply {{.*}} : $@convention(objc_method) (Foo) -> Bool
// CHECK-watchos-i386: return [[BOOL]] : $Bool
// CHECK-watchos-i386: }
// CHECK-macosx-x86_64-LABEL: sil hidden @_TF13objc_bridging6getZim
// CHECK-macosx-x86_64: [[OBJC_BOOL:%.*]] = apply {{.*}} : $@convention(objc_method) (Foo) -> ObjCBool
// CHECK-macosx-x86_64: [[CONVERT:%.*]] = function_ref @swift_ObjCBoolToBool : $@convention(thin) (ObjCBool) -> Bool
// CHECK-macosx-x86_64: [[SWIFT_BOOL:%.*]] = apply [[CONVERT]]([[OBJC_BOOL]]) : $@convention(thin) (ObjCBool) -> Bool
// CHECK-macosx-x86_64: return [[SWIFT_BOOL]] : $Bool
// CHECK-macosx-x86_64: }
// CHECK-ios-x86_64-LABEL: sil hidden @_TF13objc_bridging6getZim
// CHECK-ios-x86_64: [[SWIFT_BOOL:%.*]] = apply {{.*}} : $@convention(objc_method) (Foo) -> Bool
// CHECK-ios-x86_64: return [[SWIFT_BOOL]] : $Bool
// CHECK-ios-x86_64: }
// CHECK-arm64-LABEL: sil hidden @_TF13objc_bridging6getZim
// CHECK-arm64: [[SWIFT_BOOL:%.*]] = apply {{.*}} : $@convention(objc_method) (Foo) -> Bool
// CHECK-arm64: return [[SWIFT_BOOL]] : $Bool
// CHECK-arm64: }
// @interface Foo -(void) setZim: (BOOL)b; @end
func setZim(_ f: Foo, b: Bool) {
f.setZim(b)
}
// CHECK-ios-i386-LABEL: sil hidden @_TF13objc_bridging6setZim
// CHECK-ios-i386: [[CONVERT:%.*]] = function_ref @swift_BoolToObjCBool : $@convention(thin) (Bool) -> ObjCBool
// CHECK-ios-i386: [[OBJC_BOOL:%.*]] = apply [[CONVERT]]({{%.*}}) : $@convention(thin) (Bool) -> ObjCBool
// CHECK-ios-i386: apply {{%.*}}([[OBJC_BOOL]], {{%.*}}) : $@convention(objc_method) (ObjCBool, Foo) -> ()
// CHECK-ios-i386: }
// CHECK-macosx-x86_64-LABEL: sil hidden @_TF13objc_bridging6setZim
// CHECK-macosx-x86_64: [[CONVERT:%.*]] = function_ref @swift_BoolToObjCBool : $@convention(thin) (Bool) -> ObjCBool
// CHECK-macosx-x86_64: [[OBJC_BOOL:%.*]] = apply [[CONVERT]]({{%.*}}) : $@convention(thin) (Bool) -> ObjCBool
// CHECK-macosx-x86_64: apply {{%.*}}([[OBJC_BOOL]], {{%.*}}) : $@convention(objc_method) (ObjCBool, Foo) -> ()
// CHECK-macosx-x86_64: }
// CHECK-ios-x86_64-LABEL: sil hidden @_TF13objc_bridging6setZim
// CHECK-ios-x86_64: bb0([[FOO_OBJ:%[0-9]+]] : $Foo, [[SWIFT_BOOL:%[0-9]+]] : $Bool):
// CHECK-ios-x86_64: apply {{%.*}}([[SWIFT_BOOL]], [[FOO_OBJ]]) : $@convention(objc_method) (Bool, Foo) -> ()
// CHECK-ios-x86_64: }
// CHECK-arm64-LABEL: sil hidden @_TF13objc_bridging6setZim
// CHECK-arm64: bb0([[FOO_OBJ:%[0-9]+]] : $Foo, [[SWIFT_BOOL:%[0-9]+]] : $Bool):
// CHECK-arm64: apply {{%.*}}([[SWIFT_BOOL]], [[FOO_OBJ]]) : $@convention(objc_method) (Bool, Foo) -> ()
// CHECK-arm64: }
// CHECK-watchos-i386-LABEL: sil hidden @_TF13objc_bridging6setZim
// CHECK-watchos-i386: bb0([[FOO_OBJ:%[0-9]+]] : $Foo, [[SWIFT_BOOL:%[0-9]+]] : $Bool):
// CHECK-watchos-i386: apply {{%.*}}([[SWIFT_BOOL]], [[FOO_OBJ]]) : $@convention(objc_method) (Bool, Foo) -> ()
// CHECK-watchos-i386: }
// @interface Foo -(_Bool) zang; @end
func getZang(_ f: Foo) -> Bool {
return f.zang()
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging7getZangFCSo3FooSb
// CHECK: [[BOOL:%.*]] = apply {{%.*}}(%0) : $@convention(objc_method) (Foo) -> Bool
// CHECK: return [[BOOL]]
// @interface Foo -(void) setZang: (_Bool)b; @end
func setZang(_ f: Foo, _ b: Bool) {
f.setZang(b)
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging7setZangFTCSo3FooSb_T_
// CHECK: apply {{%.*}}(%1, %0) : $@convention(objc_method) (Bool, Foo) -> ()
// NSString *bar(void);
func callBar() -> String {
return bar()
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging7callBar
// CHECK: bb0:
// CHECK: [[BAR:%.*]] = function_ref @bar
// CHECK: [[OPT_BRIDGED:%.*]] = apply [[BAR]]()
// CHECK: select_enum [[OPT_BRIDGED]]
// CHECK: [[BRIDGED:%.*]] = unchecked_enum_data [[OPT_BRIDGED]]
// CHECK: [[NSSTRING_TO_STRING:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[BRIDGED_BOX:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[BRIDGED]]
// CHECK: [[NATIVE:%.*]] = apply [[NSSTRING_TO_STRING]]([[BRIDGED_BOX]]
// CHECK: [[OPT_NATIVE:%.*]] = enum $Optional<String>, #Optional.some!enumelt.1, [[NATIVE]]
// CHECK: [[NATIVE:%.*]] = unchecked_enum_data {{.*}} : $Optional<String>
// CHECK: return [[NATIVE]]
// CHECK: }
// void setBar(NSString *s);
func callSetBar(_ s: String) {
var s = s
setBar(s)
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging10callSetBar
// CHECK: bb0({{%.*}} : $String):
// CHECK: [[SET_BAR:%.*]] = function_ref @setBar
// CHECK: [[NV:%.*]] = load
// CHECK: [[OPT_NATIVE:%.*]] = enum $Optional<String>, #Optional.some!enumelt.1, [[NV]]
// CHECK: select_enum [[OPT_NATIVE]]
// CHECK: [[NATIVE:%.*]] = unchecked_enum_data [[OPT_NATIVE]]
// CHECK: [[STRING_TO_NSSTRING:%.*]] = function_ref @_TFE10FoundationSS19_bridgeToObjectiveCfT_CSo8NSString
// CHECK: [[BRIDGED:%.*]] = apply [[STRING_TO_NSSTRING]]([[NATIVE]])
// CHECK: = enum $Optional<NSString>, #Optional.some!enumelt.1, [[BRIDGED]]
// CHECK: bb3([[OPT_BRIDGED:%.*]] : $Optional<NSString>):
// CHECK: apply [[SET_BAR]]([[OPT_BRIDGED]])
// CHECK: destroy_value [[OPT_BRIDGED]]
// CHECK: }
var NSS: NSString
// -- NSString methods don't convert 'self'
extension NSString {
var nsstrFakeProp: NSString {
get { return NSS }
set {}
}
// CHECK-LABEL: sil hidden [thunk] @_TToFE13objc_bridgingCSo8NSStringg13nsstrFakePropS0_
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
// CHECK-LABEL: sil hidden [thunk] @_TToFE13objc_bridgingCSo8NSStrings13nsstrFakePropS0_
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
func nsstrResult() -> NSString { return NSS }
// CHECK-LABEL: sil hidden [thunk] @_TToFE13objc_bridgingCSo8NSString11nsstrResult
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
func nsstrArg(_ s: NSString) { }
// CHECK-LABEL: sil hidden [thunk] @_TToFE13objc_bridgingCSo8NSString8nsstrArg
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
}
class Bas : NSObject {
// -- Bridging thunks for String properties convert between NSString
var strRealProp: String = "Hello"
// CHECK-LABEL: sil hidden [transparent] [thunk] @_TToFC13objc_bridging3Basg11strRealPropSS : $@convention(objc_method) (Bas) -> @autoreleased NSString {
// CHECK: bb0([[THIS:%.*]] : $Bas):
// CHECK: [[THIS_COPY:%.*]] = copy_value [[THIS]] : $Bas
// CHECK: // function_ref objc_bridging.Bas.strRealProp.getter
// CHECK: [[PROPIMPL:%.*]] = function_ref @_TFC13objc_bridging3Basg11strRealPropSS
// CHECK: [[PROP_COPY:%.*]] = apply [[PROPIMPL]]([[THIS_COPY]]) : $@convention(method) (@guaranteed Bas) -> @owned String
// CHECK: destroy_value [[THIS_COPY]]
// CHECK: [[STRING_TO_NSSTRING:%.*]] = function_ref @_TFE10FoundationSS19_bridgeToObjectiveCfT_CSo8NSString
// CHECK: [[NSSTR:%.*]] = apply [[STRING_TO_NSSTRING]]([[PROP_COPY]])
// CHECK: return [[NSSTR]]
// CHECK: }
// CHECK-LABEL: sil hidden [transparent] @_TFC13objc_bridging3Basg11strRealPropSS
// CHECK: [[PROP_ADDR:%.*]] = ref_element_addr %0 : {{.*}}, #Bas.strRealProp
// CHECK: [[PROP:%.*]] = load [copy] [[PROP_ADDR]]
// CHECK-LABEL: sil hidden [transparent] [thunk] @_TToFC13objc_bridging3Bass11strRealPropSS : $@convention(objc_method) (NSString, Bas) -> () {
// CHECK: bb0([[VALUE:%.*]] : $NSString, [[THIS:%.*]] : $Bas):
// CHECK: [[VALUE_COPY:%.*]] = copy_value [[VALUE]]
// CHECK: [[THIS_COPY:%.*]] = copy_value [[THIS]]
// CHECK: [[NSSTRING_TO_STRING:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[VALUE_BOX:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[VALUE_COPY]]
// CHECK: [[STR:%.*]] = apply [[NSSTRING_TO_STRING]]([[VALUE_BOX]]
// CHECK: [[SETIMPL:%.*]] = function_ref @_TFC13objc_bridging3Bass11strRealPropSS
// CHECK: apply [[SETIMPL]]([[STR]], [[THIS_COPY]])
// CHECK: destroy_value [[THIS_COPY]]
// CHECK: } // end sil function '_TToFC13objc_bridging3Bass11strRealPropSS'
// CHECK-LABEL: sil hidden [transparent] @_TFC13objc_bridging3Bass11strRealPropSS
// CHECK: bb0(%0 : $String, %1 : $Bas):
// CHECK: [[STR_ADDR:%.*]] = ref_element_addr %1 : {{.*}}, #Bas.strRealProp
// CHECK: assign {{.*}} to [[STR_ADDR]]
// CHECK: }
var strFakeProp: String {
get { return "" }
set {}
}
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Basg11strFakePropSS : $@convention(objc_method) (Bas) -> @autoreleased NSString {
// CHECK: bb0([[THIS:%.*]] : $Bas):
// CHECK: [[THIS_COPY:%.*]] = copy_value [[THIS]]
// CHECK: [[GETTER:%.*]] = function_ref @_TFC13objc_bridging3Basg11strFakePropSS
// CHECK: [[STR:%.*]] = apply [[GETTER]]([[THIS_COPY]])
// CHECK: destroy_value [[THIS_COPY]]
// CHECK: [[STRING_TO_NSSTRING:%.*]] = function_ref @_TFE10FoundationSS19_bridgeToObjectiveCfT_CSo8NSString
// CHECK: [[NSSTR:%.*]] = apply [[STRING_TO_NSSTRING]]([[STR]])
// CHECK: destroy_value [[STR]]
// CHECK: return [[NSSTR]]
// CHECK: }
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Bass11strFakePropSS : $@convention(objc_method) (NSString, Bas) -> () {
// CHECK: bb0([[NSSTR:%.*]] : $NSString, [[THIS:%.*]] : $Bas):
// CHECK: [[NSSTR_COPY:%.*]] = copy_value [[NSSTR]]
// CHECK: [[THIS_COPY:%.*]] = copy_value [[THIS]]
// CHECK: [[NSSTRING_TO_STRING:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[NSSTR_BOX:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[NSSTR_COPY]]
// CHECK: [[STR:%.*]] = apply [[NSSTRING_TO_STRING]]([[NSSTR_BOX]]
// CHECK: [[SETTER:%.*]] = function_ref @_TFC13objc_bridging3Bass11strFakePropSS
// CHECK: apply [[SETTER]]([[STR]], [[THIS_COPY]])
// CHECK: destroy_value [[THIS_COPY]]
// CHECK: } // end sil function '_TToFC13objc_bridging3Bass11strFakePropSS'
// -- Bridging thunks for explicitly NSString properties don't convert
var nsstrRealProp: NSString
var nsstrFakeProp: NSString {
get { return NSS }
set {}
}
// CHECK-LABEL: sil hidden [transparent] [thunk] @_TToFC13objc_bridging3Basg13nsstrRealPropCSo8NSString : $@convention(objc_method) (Bas) -> @autoreleased NSString {
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
// CHECK-LABEL: sil hidden [transparent] [thunk] @_TToFC13objc_bridging3Bass13nsstrRealPropCSo8NSString : $@convention(objc_method) (NSString, Bas) ->
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
// -- Bridging thunks for String methods convert between NSString
func strResult() -> String { return "" }
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Bas9strResult
// CHECK: bb0([[THIS:%.*]] : $Bas):
// CHECK: [[THIS_COPY:%.*]] = copy_value [[THIS]]
// CHECK: [[METHOD:%.*]] = function_ref @_TFC13objc_bridging3Bas9strResult
// CHECK: [[STR:%.*]] = apply [[METHOD]]([[THIS_COPY]])
// CHECK: destroy_value [[THIS_COPY]]
// CHECK: [[STRING_TO_NSSTRING:%.*]] = function_ref @_TFE10FoundationSS19_bridgeToObjectiveCfT_CSo8NSString
// CHECK: [[NSSTR:%.*]] = apply [[STRING_TO_NSSTRING]]([[STR]])
// CHECK: destroy_value [[STR]]
// CHECK: return [[NSSTR]]
// CHECK: }
func strArg(_ s: String) { }
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Bas6strArg
// CHECK: bb0([[NSSTR:%.*]] : $NSString, [[THIS:%.*]] : $Bas):
// CHECK: [[NSSTR_COPY:%.*]] = copy_value [[NSSTR]]
// CHECK: [[THIS_COPY:%.*]] = copy_value [[THIS]]
// CHECK: [[NSSTRING_TO_STRING:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[NSSTR_BOX:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[NSSTR_COPY]]
// CHECK: [[STR:%.*]] = apply [[NSSTRING_TO_STRING]]([[NSSTR_BOX]]
// CHECK: [[METHOD:%.*]] = function_ref @_TFC13objc_bridging3Bas6strArg
// CHECK: apply [[METHOD]]([[STR]], [[THIS_COPY]])
// CHECK: destroy_value [[THIS_COPY]]
// CHECK: } // end sil function '_TToFC13objc_bridging3Bas6strArgfSST_'
// -- Bridging thunks for explicitly NSString properties don't convert
func nsstrResult() -> NSString { return NSS }
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Bas11nsstrResult
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
func nsstrArg(_ s: NSString) { }
// CHECK-LABEL: sil hidden @_TFC13objc_bridging3Bas8nsstrArg
// CHECK-NOT: swift_StringToNSString
// CHECK-NOT: _TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: }
init(str: NSString) {
nsstrRealProp = str
super.init()
}
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Bas8arrayArg{{.*}} : $@convention(objc_method) (NSArray, Bas) -> ()
// CHECK: bb0([[NSARRAY:%[0-9]+]] : $NSArray, [[SELF:%[0-9]+]] : $Bas):
// CHECK: [[NSARRAY_COPY:%.*]] = copy_value [[NSARRAY]] : $NSArray
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]] : $Bas
// CHECK: [[CONV_FN:%[0-9]+]] = function_ref @_TZFE10FoundationSa36_unconditionallyBridgeFromObjectiveCfGSqCSo7NSArray_GSax_
// CHECK: [[OPT_NSARRAY:%[0-9]+]] = enum $Optional<NSArray>, #Optional.some!enumelt.1, [[NSARRAY_COPY]] : $NSArray
// CHECK: [[ARRAY_META:%[0-9]+]] = metatype $@thin Array<AnyObject>.Type
// CHECK: [[ARRAY:%[0-9]+]] = apply [[CONV_FN]]<AnyObject>([[OPT_NSARRAY]], [[ARRAY_META]])
// CHECK: [[SWIFT_FN:%[0-9]+]] = function_ref @_TFC13objc_bridging3Bas{{.*}} : $@convention(method) (@owned Array<AnyObject>, @guaranteed Bas) -> ()
// CHECK: [[RESULT:%[0-9]+]] = apply [[SWIFT_FN]]([[ARRAY]], [[SELF_COPY]]) : $@convention(method) (@owned Array<AnyObject>, @guaranteed Bas) -> ()
// CHECK: destroy_value [[SELF_COPY]] : $Bas
// CHECK: return [[RESULT]] : $()
func arrayArg(_ array: [AnyObject]) { }
// CHECK-LABEL: sil hidden [thunk] @_TToFC13objc_bridging3Bas11arrayResult{{.*}} : $@convention(objc_method) (Bas) -> @autoreleased NSArray
// CHECK: bb0([[SELF:%[0-9]+]] : $Bas):
// CHECK: [[SELF_COPY:%.*]] = copy_value [[SELF]] : $Bas
// CHECK: [[SWIFT_FN:%[0-9]+]] = function_ref @_TFC13objc_bridging3Bas11arrayResult{{.*}} : $@convention(method) (@guaranteed Bas) -> @owned Array<AnyObject>
// CHECK: [[ARRAY:%[0-9]+]] = apply [[SWIFT_FN]]([[SELF_COPY]]) : $@convention(method) (@guaranteed Bas) -> @owned Array<AnyObject>
// CHECK: destroy_value [[SELF_COPY]]
// CHECK: [[CONV_FN:%[0-9]+]] = function_ref @_TFE10FoundationSa19_bridgeToObjectiveCfT_CSo7NSArray
// CHECK: [[NSARRAY:%[0-9]+]] = apply [[CONV_FN]]<AnyObject>([[ARRAY]]) : $@convention(method) <τ_0_0> (@guaranteed Array<τ_0_0>) -> @owned NSArray
// CHECK: destroy_value [[ARRAY]]
// CHECK: return [[NSARRAY]]
func arrayResult() -> [AnyObject] { return [] }
// CHECK-LABEL: sil hidden [transparent] [thunk] @_TToFC13objc_bridging3Basg9arrayPropGSaSS_ : $@convention(objc_method) (Bas) -> @autoreleased NSArray
// CHECK-LABEL: sil hidden [transparent] [thunk] @_TToFC13objc_bridging3Bass9arrayPropGSaSS_ : $@convention(objc_method) (NSArray, Bas) -> ()
var arrayProp: [String] = []
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging16applyStringBlock{{.*}} :
func applyStringBlock(_ f: @convention(block) (String) -> String, x: String) -> String {
// CHECK: bb0([[BLOCK:%.*]] : $@convention(block) (NSString) -> @autoreleased NSString, [[STRING:%.*]] : $String):
// CHECK: [[BLOCK_COPY:%.*]] = copy_block [[BLOCK]]
// CHECK: [[BLOCK_COPY_COPY:%.*]] = copy_value [[BLOCK_COPY]]
// CHECK: [[STRING_COPY:%.*]] = copy_value [[STRING]]
// CHECK: [[STRING_TO_NSSTRING:%.*]] = function_ref @_TFE10FoundationSS19_bridgeToObjectiveCfT_CSo8NSString
// CHECK: [[NSSTR:%.*]] = apply [[STRING_TO_NSSTRING]]([[STRING_COPY]])
// CHECK: [[RESULT_NSSTR:%.*]] = apply [[BLOCK_COPY_COPY]]([[NSSTR]]) : $@convention(block) (NSString) -> @autoreleased NSString
// CHECK: [[FINAL_BRIDGE:%.*]] = function_ref @_TZFE10FoundationSS36_unconditionallyBridgeFromObjectiveCfGSqCSo8NSString_SS
// CHECK: [[OPTIONAL_NSSTR:%.*]] = enum $Optional<NSString>, #Optional.some!enumelt.1, [[RESULT_NSSTR]]
// CHECK: [[RESULT:%.*]] = apply [[FINAL_BRIDGE]]([[OPTIONAL_NSSTR]], {{.*}}) : $@convention(method) (@owned Optional<NSString>, @thin String.Type) -> @owned String
// CHECK: destroy_value [[NSSTR]]
// CHECK: destroy_value [[STRING_COPY]]
// CHECK: destroy_value [[BLOCK_COPY_COPY]]
// CHECK: destroy_value [[STRING]]
// CHECK: destroy_value [[BLOCK_COPY]]
// CHECK: destroy_value [[BLOCK]]
// CHECK: return [[RESULT]] : $String
return f(x)
}
// CHECK: } // end sil function '_TF13objc_bridging16applyStringBlock{{.*}}'
// CHECK-LABEL: sil hidden @_TF13objc_bridging15bridgeCFunction
func bridgeCFunction() -> (String!) -> (String!) {
// CHECK: [[THUNK:%.*]] = function_ref @_TTOFSC18NSStringFromStringFGSQSS_GSQSS_ : $@convention(thin) (@owned Optional<String>) -> @owned Optional<String>
// CHECK: [[THICK:%.*]] = thin_to_thick_function [[THUNK]]
// CHECK: return [[THICK]]
return NSStringFromString
}
func forceNSArrayMembers() -> (NSArray, NSArray) {
let x = NSArray(objects: nil, count: 0)
return (x, x)
}
// Check that the allocating initializer shim for initializers that take pointer
// arguments lifetime-extends the bridged pointer for the right duration.
// <rdar://problem/16738050>
// CHECK-LABEL: sil shared @_TFCSo7NSArrayC
// CHECK: [[SELF:%.*]] = alloc_ref_dynamic
// CHECK: [[METHOD:%.*]] = function_ref @_TTOFCSo7NSArrayc
// CHECK: [[RESULT:%.*]] = apply [[METHOD]]
// CHECK: return [[RESULT]]
// Check that type lowering preserves the bool/BOOL distinction when bridging
// imported C functions.
// CHECK-ios-i386-LABEL: sil hidden @_TF13objc_bridging5boolsFSbTSbSb_
// CHECK-ios-i386: function_ref @useBOOL : $@convention(c) (ObjCBool) -> ()
// CHECK-ios-i386: function_ref @useBool : $@convention(c) (Bool) -> ()
// CHECK-ios-i386: function_ref @getBOOL : $@convention(c) () -> ObjCBool
// CHECK-ios-i386: function_ref @getBool : $@convention(c) () -> Bool
// CHECK-macosx-x86_64-LABEL: sil hidden @_TF13objc_bridging5boolsFSbTSbSb_
// CHECK-macosx-x86_64: function_ref @useBOOL : $@convention(c) (ObjCBool) -> ()
// CHECK-macosx-x86_64: function_ref @useBool : $@convention(c) (Bool) -> ()
// CHECK-macosx-x86_64: function_ref @getBOOL : $@convention(c) () -> ObjCBool
// CHECK-macosx-x86_64: function_ref @getBool : $@convention(c) () -> Bool
// FIXME: no distinction on x86_64, arm64 or watchos-i386, since SILGen looks
// at the underlying Clang decl of the bridged decl to decide whether it needs
// bridging.
//
// CHECK-watchos-i386-LABEL: sil hidden @_TF13objc_bridging5boolsFSbTSbSb_
// CHECK-watchos-i386: function_ref @useBOOL : $@convention(c) (Bool) -> ()
// CHECK-watchos-i386: function_ref @useBool : $@convention(c) (Bool) -> ()
// CHECK-watchos-i386: function_ref @getBOOL : $@convention(c) () -> Bool
// CHECK-watchos-i386: function_ref @getBool : $@convention(c) () -> Bool
// CHECK-ios-x86_64-LABEL: sil hidden @_TF13objc_bridging5boolsFSbTSbSb_
// CHECK-ios-x86_64: function_ref @useBOOL : $@convention(c) (Bool) -> ()
// CHECK-ios-x86_64: function_ref @useBool : $@convention(c) (Bool) -> ()
// CHECK-ios-x86_64: function_ref @getBOOL : $@convention(c) () -> Bool
// CHECK-ios-x86_64: function_ref @getBool : $@convention(c) () -> Bool
// CHECK-arm64-LABEL: sil hidden @_TF13objc_bridging5boolsFSbTSbSb_
// CHECK-arm64: function_ref @useBOOL : $@convention(c) (Bool) -> ()
// CHECK-arm64: function_ref @useBool : $@convention(c) (Bool) -> ()
// CHECK-arm64: function_ref @getBOOL : $@convention(c) () -> Bool
// CHECK-arm64: function_ref @getBool : $@convention(c) () -> Bool
func bools(_ x: Bool) -> (Bool, Bool) {
useBOOL(x)
useBool(x)
return (getBOOL(), getBool())
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging9getFridge
// CHECK: bb0([[HOME:%[0-9]+]] : $APPHouse):
func getFridge(_ home: APPHouse) -> Refrigerator {
// CHECK: [[GETTER:%[0-9]+]] = class_method [volatile] [[HOME]] : $APPHouse, #APPHouse.fridge!getter.1.foreign
// CHECK: [[OBJC_RESULT:%[0-9]+]] = apply [[GETTER]]([[HOME]])
// CHECK: [[BRIDGE_FN:%[0-9]+]] = function_ref @_TZFV10Appliances12Refrigerator36_unconditionallyBridgeFromObjectiveC
// CHECK: [[REFRIGERATOR_META:%[0-9]+]] = metatype $@thin Refrigerator.Type
// CHECK: [[RESULT:%[0-9]+]] = apply [[BRIDGE_FN]]([[OBJC_RESULT]], [[REFRIGERATOR_META]])
// CHECK: destroy_value [[HOME]] : $APPHouse
// CHECK: return [[RESULT]] : $Refrigerator
return home.fridge
}
// CHECK-LABEL: sil hidden @_TF13objc_bridging16updateFridgeTemp
// CHECK: bb0([[HOME:%[0-9]+]] : $APPHouse, [[DELTA:%[0-9]+]] : $Double):
func updateFridgeTemp(_ home: APPHouse, delta: Double) {
// +=
// CHECK: [[PLUS_EQ:%[0-9]+]] = function_ref @_TFsoi2peFTRSdSd_T_
// Temporary fridge
// CHECK: [[TEMP_FRIDGE:%[0-9]+]] = alloc_stack $Refrigerator
// Get operation
// CHECK: [[GETTER:%[0-9]+]] = class_method [volatile] [[HOME]] : $APPHouse, #APPHouse.fridge!getter.1.foreign
// CHECK: [[OBJC_FRIDGE:%[0-9]+]] = apply [[GETTER]]([[HOME]])
// CHECK: [[BRIDGE_FROM_FN:%[0-9]+]] = function_ref @_TZFV10Appliances12Refrigerator36_unconditionallyBridgeFromObjectiveC
// CHECK: [[REFRIGERATOR_META:%[0-9]+]] = metatype $@thin Refrigerator.Type
// CHECK: [[FRIDGE:%[0-9]+]] = apply [[BRIDGE_FROM_FN]]([[OBJC_FRIDGE]], [[REFRIGERATOR_META]])
// Addition
// CHECK: [[TEMP:%[0-9]+]] = struct_element_addr [[TEMP_FRIDGE]] : $*Refrigerator, #Refrigerator.temperature
// CHECK: apply [[PLUS_EQ]]([[TEMP]], [[DELTA]])
// Setter
// CHECK: [[FRIDGE:%[0-9]+]] = load [trivial] [[TEMP_FRIDGE]] : $*Refrigerator
// CHECK: [[SETTER:%[0-9]+]] = class_method [volatile] [[HOME]] : $APPHouse, #APPHouse.fridge!setter.1.foreign
// CHECK: [[BRIDGE_TO_FN:%[0-9]+]] = function_ref @_TFV10Appliances12Refrigerator19_bridgeToObjectiveCfT_CSo15APPRefrigerator
// CHECK: [[OBJC_ARG:%[0-9]+]] = apply [[BRIDGE_TO_FN]]([[FRIDGE]])
// CHECK: apply [[SETTER]]([[OBJC_ARG]], [[HOME]])
home.fridge.temperature += delta
}