test/IRGen/fixed_layout_class.swift - third_party/swift - Git at Google

 // RUN: %empty-directory(%t)
 // RUN: %{python} %utils/chex.py < %s > %t/class_resilience.swift
 // RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_struct.swiftmodule -module-name=resilient_struct %S/../Inputs/resilient_struct.swift
 // RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_enum.swiftmodule -module-name=resilient_enum -I %t %S/../Inputs/resilient_enum.swift
 // RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_class.swiftmodule -module-name=resilient_class -I %t %S/../Inputs/resilient_class.swift
 // RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/fixed_layout_class.swiftmodule -module-name=fixed_layout_class -I %t %S/../Inputs/fixed_layout_class.swift
 // RUN: %target-swift-frontend -I %t -emit-ir -enable-library-evolution %t/class_resilience.swift | %FileCheck %t/class_resilience.swift --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize --check-prefix=CHECK-%target-runtime -DINT=i%target-ptrsize
 // RUN: %target-swift-frontend -I %t -emit-ir -enable-library-evolution -O %t/class_resilience.swift

 // This tests @_fixed_layout classes in resilient modules.
 import fixed_layout_class

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience20useRootClassPropertyyy013fixed_layout_A0026OutsideParentWithResilientF0CF"(%T18fixed_layout_class34OutsideParentWithResilientPropertyC*)
 public func useRootClassProperty(_ o: OutsideParentWithResilientProperty) {
   // CHECK: getelementptr inbounds %T18fixed_layout_class34OutsideParentWithResilientPropertyC, %T18fixed_layout_class34OutsideParentWithResilientPropertyC* %0, i32 0, i32 1
   _ = o.p
   // CHECK: load [[INT]], [[INT]]* @"$s18fixed_layout_class34OutsideParentWithResilientPropertyC1s16resilient_struct4SizeVvpWvd"
   _ = o.s
   // CHECK: load [[INT]], [[INT]]* @"$s18fixed_layout_class34OutsideParentWithResilientPropertyC5colors5Int32VvpWvd"
   _ = o.color
   // CHECK: ret void
 }

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience19useSubclassPropertyyy013fixed_layout_A012OutsideChildCF"(%T18fixed_layout_class12OutsideChildC*)
 public func useSubclassProperty(_ o: OutsideChild) {
   // CHECK: getelementptr inbounds %T18fixed_layout_class13OutsideParentC, %T18fixed_layout_class13OutsideParentC* %4, i32 0, i32 1
   _ = o.property
   // CHECK: getelementptr inbounds %T18fixed_layout_class12OutsideChildC, %T18fixed_layout_class12OutsideChildC* %0, i32 0, i32 2
   _ = o.childProperty
   // CHECK: ret void
 }

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience27useGenericRootClassPropertyyy013fixed_layout_A00D13OutsideParentCyxGlF"(%T18fixed_layout_class20GenericOutsideParentC*)
 public func useGenericRootClassProperty<A>(_ o: GenericOutsideParent<A>) {
   // -- we load the base offset twice, first to get the generic parameter out and
   // then for the property itself.

   // CHECK: [[BASE:%.*]] = load [[INT]], [[INT]]* getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class20GenericOutsideParentCMo", i32 0, i32 0)

   // CHECK: [[METADATA_ADDR:%.*]] = getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentC, %T18fixed_layout_class20GenericOutsideParentC* %0, i32 0, i32 0, i32 0
   // CHECK: [[METADATA:%.*]] = load %swift.type*, %swift.type** [[METADATA_ADDR]]

   // CHECK: [[BASE:%.*]] = load [[INT]], [[INT]]* getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class20GenericOutsideParentCMo", i32 0, i32 0)
   // CHECK: [[FIELD_OFFSET_OFFSET:%.*]] = add [[INT]] [[BASE]], {{4|8}}

   // CHECK: [[METADATA_ADDR:%.*]] = bitcast %swift.type* [[METADATA]] to i8*
   // CHECK: [[FIELD_OFFSET_ADDR:%.*]] = getelementptr inbounds i8, i8* [[METADATA_ADDR]], [[INT]] [[FIELD_OFFSET_OFFSET]]
   // CHECK: [[FIELD_OFFSET_PTR:%.*]] = bitcast i8* [[FIELD_OFFSET_ADDR]] to [[INT]]*
   // CHECK: [[FIELD_OFFSET:%.*]] = load [[INT]], [[INT]]* [[FIELD_OFFSET_PTR]]
   _ = o.property

   // CHECK: ret void
 }

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience27useGenericRootClassPropertyyy013fixed_layout_A00D13OutsideParentCySiGF"(%T18fixed_layout_class20GenericOutsideParentCySiG*)
 public func useGenericRootClassProperty(_ o: GenericOutsideParent<Int>) {
   // CHECK: getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentCySiG, %T18fixed_layout_class20GenericOutsideParentCySiG* %0, i32 0, i32 1
   _ = o.property

   // CHECK: ret void
 }

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience26useGenericSubclassPropertyyy013fixed_layout_A00D12OutsideChildCyxGlF"(%T18fixed_layout_class19GenericOutsideChildC*)
 public func useGenericSubclassProperty<A>(_ o: GenericOutsideChild<A>) {
   // -- we load the base offset twice, first to get the generic parameter out and
   // then for the property itself.

   // CHECK: [[BASE:%.*]] = load [[INT]], [[INT]]* getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class19GenericOutsideChildCMo", i32 0, i32 0)

   // CHECK: [[UPCAST:%.*]] = bitcast %T18fixed_layout_class19GenericOutsideChildC* %0 to %T18fixed_layout_class20GenericOutsideParentC*
   // CHECK: [[METADATA_ADDR:%.*]] = getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentC, %T18fixed_layout_class20GenericOutsideParentC* [[UPCAST]], i32 0, i32 0, i32 0
   // CHECK: [[METADATA:%.*]] = load %swift.type*, %swift.type** [[METADATA_ADDR]]

   // CHECK: [[BASE:%.*]] = load [[INT]], [[INT]]* getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class20GenericOutsideParentCMo", i32 0, i32 0)
   // CHECK: [[FIELD_OFFSET_OFFSET:%.*]] = add [[INT]] [[BASE]], {{4|8}}

   // CHECK: [[METADATA_ADDR:%.*]] = bitcast %swift.type* [[METADATA]] to i8*
   // CHECK: [[FIELD_OFFSET_ADDR:%.*]] = getelementptr inbounds i8, i8* [[METADATA_ADDR]], [[INT]] [[FIELD_OFFSET_OFFSET]]
   // CHECK: [[FIELD_OFFSET_PTR:%.*]] = bitcast i8* [[FIELD_OFFSET_ADDR]] to [[INT]]*
   // CHECK: [[FIELD_OFFSET:%.*]] = load [[INT]], [[INT]]* [[FIELD_OFFSET_PTR]]
   _ = o.property

   // CHECK: [[METADATA_ADDR:%.*]] = getelementptr inbounds %T18fixed_layout_class19GenericOutsideChildC, %T18fixed_layout_class19GenericOutsideChildC* %0, i32 0, i32 0, i32 0
   // CHECK: [[METADATA:%.*]] = load %swift.type*, %swift.type** [[METADATA_ADDR]]

   // CHECK: [[BASE:%.*]] = load [[INT]], [[INT]]* getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class19GenericOutsideChildCMo", i32 0, i32 0)
   // CHECK: [[FIELD_OFFSET_OFFSET:%.*]] = add [[INT]] [[BASE]], {{4|8}}

   // CHECK: [[METADATA_ADDR:%.*]] = bitcast %swift.type* [[METADATA]] to i8*
   // CHECK: [[FIELD_OFFSET_ADDR:%.*]] = getelementptr inbounds i8, i8* [[METADATA_ADDR]], [[INT]] [[FIELD_OFFSET_OFFSET]]
   // CHECK: [[FIELD_OFFSET_PTR:%.*]] = bitcast i8* [[FIELD_OFFSET_ADDR]] to [[INT]]*
   // CHECK: [[FIELD_OFFSET:%.*]] = load [[INT]], [[INT]]* [[FIELD_OFFSET_PTR]]
   _ = o.childProperty

   // CHECK: ret void
 }

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience26useGenericSubclassPropertyyy013fixed_layout_A00D12OutsideChildCySiGF"(%T18fixed_layout_class19GenericOutsideChildCySiG*)
 public func useGenericSubclassProperty(_ o: GenericOutsideChild<Int>) {
   // CHECK: [[UPCAST:%.*]] = bitcast %T18fixed_layout_class19GenericOutsideChildCySiG* %0 to %T18fixed_layout_class20GenericOutsideParentCySiG*
   // CHECK: getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentCySiG, %T18fixed_layout_class20GenericOutsideParentCySiG* [[UPCAST]], i32 0, i32 1
   _ = o.property

   // CHECK: getelementptr inbounds %T18fixed_layout_class19GenericOutsideChildCySiG, %T18fixed_layout_class19GenericOutsideChildCySiG* %0, i32 0, i32 2
   _ = o.childProperty

   // CHECK: ret void
 }

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience17callVirtualMethodyy013fixed_layout_A013OutsideParentCF"(%T18fixed_layout_class13OutsideParentC*)
 public func callVirtualMethod(_ o: OutsideParent) {
   // Note: virtual method calls still use dispatch thunks

   // CHECK: call swiftcc void @"$s18fixed_layout_class13OutsideParentC6methodyyFTj"
   _ = o.method()

   // CHECK: ret void
 }

 @_fixed_layout open class MyChildOfOutsideParent : OutsideParent {
   public func newMethod() {}
 }

 // Make sure we emit the dispatch thunk:

 // CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience22MyChildOfOutsideParentC9newMethodyyFTj"(%T16class_resilience22MyChildOfOutsideParentC* swiftself)
	// RUN: %empty-directory(%t)
	// RUN: %{python} %utils/chex.py < %s > %t/class_resilience.swift
	// RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_struct.swiftmodule -module-name=resilient_struct %S/../Inputs/resilient_struct.swift
	// RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_enum.swiftmodule -module-name=resilient_enum -I %t %S/../Inputs/resilient_enum.swift
	// RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/resilient_class.swiftmodule -module-name=resilient_class -I %t %S/../Inputs/resilient_class.swift
	// RUN: %target-swift-frontend -emit-module -enable-library-evolution -emit-module-path=%t/fixed_layout_class.swiftmodule -module-name=fixed_layout_class -I %t %S/../Inputs/fixed_layout_class.swift
	// RUN: %target-swift-frontend -I %t -emit-ir -enable-library-evolution %t/class_resilience.swift \| %FileCheck %t/class_resilience.swift --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize --check-prefix=CHECK-%target-runtime -DINT=i%target-ptrsize
	// RUN: %target-swift-frontend -I %t -emit-ir -enable-library-evolution -O %t/class_resilience.swift

	// This tests @_fixed_layout classes in resilient modules.
	import fixed_layout_class

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience20useRootClassPropertyyy013fixed_layout_A0026OutsideParentWithResilientF0CF"(%T18fixed_layout_class34OutsideParentWithResilientPropertyC*)
	public func useRootClassProperty(_ o: OutsideParentWithResilientProperty) {
	// CHECK: getelementptr inbounds %T18fixed_layout_class34OutsideParentWithResilientPropertyC, %T18fixed_layout_class34OutsideParentWithResilientPropertyC* %0, i32 0, i32 1
	_ = o.p
	// CHECK: load [[INT]], [[INT]]* @"$s18fixed_layout_class34OutsideParentWithResilientPropertyC1s16resilient_struct4SizeVvpWvd"
	_ = o.s
	// CHECK: load [[INT]], [[INT]]* @"$s18fixed_layout_class34OutsideParentWithResilientPropertyC5colors5Int32VvpWvd"
	_ = o.color
	// CHECK: ret void
	}

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience19useSubclassPropertyyy013fixed_layout_A012OutsideChildCF"(%T18fixed_layout_class12OutsideChildC*)
	public func useSubclassProperty(_ o: OutsideChild) {
	// CHECK: getelementptr inbounds %T18fixed_layout_class13OutsideParentC, %T18fixed_layout_class13OutsideParentC* %4, i32 0, i32 1
	_ = o.property
	// CHECK: getelementptr inbounds %T18fixed_layout_class12OutsideChildC, %T18fixed_layout_class12OutsideChildC* %0, i32 0, i32 2
	_ = o.childProperty
	// CHECK: ret void
	}

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience27useGenericRootClassPropertyyy013fixed_layout_A00D13OutsideParentCyxGlF"(%T18fixed_layout_class20GenericOutsideParentC*)
	public func useGenericRootClassProperty<A>(_ o: GenericOutsideParent<A>) {
	// -- we load the base offset twice, first to get the generic parameter out and
	// then for the property itself.

	// CHECK: [[BASE:%.]] = load [[INT]], [[INT]] getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class20GenericOutsideParentCMo", i32 0, i32 0)

	// CHECK: [[METADATA_ADDR:%.]] = getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentC, %T18fixed_layout_class20GenericOutsideParentC %0, i32 0, i32 0, i32 0
	// CHECK: [[METADATA:%.]] = load %swift.type, %swift.type** [[METADATA_ADDR]]

	// CHECK: [[BASE:%.]] = load [[INT]], [[INT]] getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class20GenericOutsideParentCMo", i32 0, i32 0)
	// CHECK: [[FIELD_OFFSET_OFFSET:%.*]] = add [[INT]] [[BASE]], {{4\|8}}

	// CHECK: [[METADATA_ADDR:%.]] = bitcast %swift.type [[METADATA]] to i8*
	// CHECK: [[FIELD_OFFSET_ADDR:%.]] = getelementptr inbounds i8, i8 [[METADATA_ADDR]], [[INT]] [[FIELD_OFFSET_OFFSET]]
	// CHECK: [[FIELD_OFFSET_PTR:%.]] = bitcast i8 [[FIELD_OFFSET_ADDR]] to [[INT]]*
	// CHECK: [[FIELD_OFFSET:%.]] = load [[INT]], [[INT]] [[FIELD_OFFSET_PTR]]
	_ = o.property

	// CHECK: ret void
	}

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience27useGenericRootClassPropertyyy013fixed_layout_A00D13OutsideParentCySiGF"(%T18fixed_layout_class20GenericOutsideParentCySiG*)
	public func useGenericRootClassProperty(_ o: GenericOutsideParent<Int>) {
	// CHECK: getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentCySiG, %T18fixed_layout_class20GenericOutsideParentCySiG* %0, i32 0, i32 1
	_ = o.property

	// CHECK: ret void
	}

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience26useGenericSubclassPropertyyy013fixed_layout_A00D12OutsideChildCyxGlF"(%T18fixed_layout_class19GenericOutsideChildC*)
	public func useGenericSubclassProperty<A>(_ o: GenericOutsideChild<A>) {
	// -- we load the base offset twice, first to get the generic parameter out and
	// then for the property itself.

	// CHECK: [[BASE:%.]] = load [[INT]], [[INT]] getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class19GenericOutsideChildCMo", i32 0, i32 0)

	// CHECK: [[UPCAST:%.]] = bitcast %T18fixed_layout_class19GenericOutsideChildC %0 to %T18fixed_layout_class20GenericOutsideParentC*
	// CHECK: [[METADATA_ADDR:%.]] = getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentC, %T18fixed_layout_class20GenericOutsideParentC [[UPCAST]], i32 0, i32 0, i32 0
	// CHECK: [[METADATA:%.]] = load %swift.type, %swift.type** [[METADATA_ADDR]]

	// CHECK: [[BASE:%.]] = load [[INT]], [[INT]] getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class20GenericOutsideParentCMo", i32 0, i32 0)
	// CHECK: [[FIELD_OFFSET_OFFSET:%.*]] = add [[INT]] [[BASE]], {{4\|8}}

	// CHECK: [[METADATA_ADDR:%.]] = bitcast %swift.type [[METADATA]] to i8*
	// CHECK: [[FIELD_OFFSET_ADDR:%.]] = getelementptr inbounds i8, i8 [[METADATA_ADDR]], [[INT]] [[FIELD_OFFSET_OFFSET]]
	// CHECK: [[FIELD_OFFSET_PTR:%.]] = bitcast i8 [[FIELD_OFFSET_ADDR]] to [[INT]]*
	// CHECK: [[FIELD_OFFSET:%.]] = load [[INT]], [[INT]] [[FIELD_OFFSET_PTR]]
	_ = o.property

	// CHECK: [[METADATA_ADDR:%.]] = getelementptr inbounds %T18fixed_layout_class19GenericOutsideChildC, %T18fixed_layout_class19GenericOutsideChildC %0, i32 0, i32 0, i32 0
	// CHECK: [[METADATA:%.]] = load %swift.type, %swift.type** [[METADATA_ADDR]]

	// CHECK: [[BASE:%.]] = load [[INT]], [[INT]] getelementptr inbounds ({ [[INT]], i32, i32 }, { [[INT]], i32, i32 }* @"$s18fixed_layout_class19GenericOutsideChildCMo", i32 0, i32 0)
	// CHECK: [[FIELD_OFFSET_OFFSET:%.*]] = add [[INT]] [[BASE]], {{4\|8}}

	// CHECK: [[METADATA_ADDR:%.]] = bitcast %swift.type [[METADATA]] to i8*
	// CHECK: [[FIELD_OFFSET_ADDR:%.]] = getelementptr inbounds i8, i8 [[METADATA_ADDR]], [[INT]] [[FIELD_OFFSET_OFFSET]]
	// CHECK: [[FIELD_OFFSET_PTR:%.]] = bitcast i8 [[FIELD_OFFSET_ADDR]] to [[INT]]*
	// CHECK: [[FIELD_OFFSET:%.]] = load [[INT]], [[INT]] [[FIELD_OFFSET_PTR]]
	_ = o.childProperty

	// CHECK: ret void
	}

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience26useGenericSubclassPropertyyy013fixed_layout_A00D12OutsideChildCySiGF"(%T18fixed_layout_class19GenericOutsideChildCySiG*)
	public func useGenericSubclassProperty(_ o: GenericOutsideChild<Int>) {
	// CHECK: [[UPCAST:%.]] = bitcast %T18fixed_layout_class19GenericOutsideChildCySiG %0 to %T18fixed_layout_class20GenericOutsideParentCySiG*
	// CHECK: getelementptr inbounds %T18fixed_layout_class20GenericOutsideParentCySiG, %T18fixed_layout_class20GenericOutsideParentCySiG* [[UPCAST]], i32 0, i32 1
	_ = o.property

	// CHECK: getelementptr inbounds %T18fixed_layout_class19GenericOutsideChildCySiG, %T18fixed_layout_class19GenericOutsideChildCySiG* %0, i32 0, i32 2
	_ = o.childProperty

	// CHECK: ret void
	}

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience17callVirtualMethodyy013fixed_layout_A013OutsideParentCF"(%T18fixed_layout_class13OutsideParentC*)
	public func callVirtualMethod(_ o: OutsideParent) {
	// Note: virtual method calls still use dispatch thunks

	// CHECK: call swiftcc void @"$s18fixed_layout_class13OutsideParentC6methodyyFTj"
	_ = o.method()

	// CHECK: ret void
	}

	@_fixed_layout open class MyChildOfOutsideParent : OutsideParent {
	public func newMethod() {}
	}

	// Make sure we emit the dispatch thunk:

	// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc void @"$s16class_resilience22MyChildOfOutsideParentC9newMethodyyFTj"(%T16class_resilience22MyChildOfOutsideParentC* swiftself)