| // RUN: %empty-directory(%t) |
| // RUN: %{python} %utils/chex.py < %s > %t/generic_vtable.swift |
| // RUN: %target-swift-frontend %t/generic_vtable.swift -emit-ir | %FileCheck %t/generic_vtable.swift --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize -DINT=i%target-ptrsize -check-prefix CHECK-%target-import-type -check-prefix CHECK-%target-abi |
| |
| public class Base { |
| public func m1() {} |
| public func m2() {} |
| } |
| |
| public class Derived<T> : Base { |
| public override func m2() {} |
| public func m3() {} |
| } |
| |
| public class Concrete : Derived<Int> { |
| public override func m3() {} |
| public func m4() {} |
| } |
| |
| |
| //// Nominal type descriptor for 'Base' with method descriptors. |
| |
| // CHECK-LABEL: @"$s14generic_vtable4BaseCMn" = {{(dllexport )?}}{{(protected )?}}constant |
| // -- flags: has vtable, is class, is unique |
| // CHECK-DIRECT-SAME: <i32 0x8000_0050>, |
| // CHECK-INDIRECT-SAME: <i32 0x8001_0050>, |
| // -- vtable offset |
| // CHECK-32-SAME: i32 16, |
| // CHECK-64-SAME: i32 10, |
| // -- vtable size |
| // CHECK-SAME: i32 3, |
| // -- vtable entry for m1() |
| // CHECK-SAME: void (%T14generic_vtable4BaseC*)* @"$s14generic_vtable4BaseC2m1yyF" |
| // -- vtable entry for m2() |
| // CHECK-SAME: void (%T14generic_vtable4BaseC*)* @"$s14generic_vtable4BaseC2m2yyF" |
| // -- |
| // CHECK-SAME: section "{{.*}}", align 4 |
| |
| //// Type metadata for 'Base' has a static vtable. |
| |
| // CHECK-LABEL: @"$s14generic_vtable4BaseCMf" = internal global |
| // -- destructor |
| // CHECK-SAME: void (%T14generic_vtable4BaseC*)* @"$s14generic_vtable4BaseCfD" |
| // -- value witness table |
| // CHECK-SAME: i8** {{@"\$sBoWV"|null}} |
| // -- vtable entry for 'm1()' |
| // CHECK-SAME: void (%T14generic_vtable4BaseC*)* @"$s14generic_vtable4BaseC2m1yyF" |
| // -- vtable entry for 'm2()' |
| // CHECK-SAME: void (%T14generic_vtable4BaseC*)* @"$s14generic_vtable4BaseC2m2yyF" |
| // -- vtable entry for 'init()' |
| // CHECK-SAME: %T14generic_vtable4BaseC* (%swift.type*)* @"$s14generic_vtable4BaseCACycfC" |
| // -- |
| // CHECK-SAME: , align |
| |
| |
| //// Nominal type descriptor for 'Derived' with method descriptors. |
| |
| // CHECK-LABEL: @"$s14generic_vtable7DerivedCMn" = {{(dllexport )?}}{{(protected )?}}constant |
| // -- flags: has vtable, has override table, is class, is unique, is generic |
| // CHECK-SAME: <i32 0xC000_00D0>, |
| // -- vtable offset |
| // CHECK-32-SAME: i32 17, |
| // CHECK-64-SAME: i32 14, |
| // -- vtable size |
| // CHECK-SAME: i32 1, |
| // -- vtable entry for m3() |
| // CHECK-SAME: void (%T14generic_vtable7DerivedC*)* @"$s14generic_vtable7DerivedC2m3yyF" |
| // -- override table size |
| // CHECK-SAME: i32 2, |
| // -- override for m2() |
| // CHECK-SAME: @"$s14generic_vtable4BaseCMn" |
| // CHECK-SYSV-SAME: @"$s14generic_vtable4BaseCMn", i32 0, i32 14 |
| // CHECK-WIN-SAME: @"$s14generic_vtable4BaseCMn", i32 0, i32 17 |
| // CHECK-SAME: @"$s14generic_vtable7DerivedC2m2yyF" |
| // -- override for constructor |
| // CHECK-SAME: @"$s14generic_vtable4BaseCMn" |
| // CHECK-SYSV-SAME: @"$s14generic_vtable4BaseCMn", i32 0, i32 15 |
| // CHECK-WIN-SAME: @"$s14generic_vtable4BaseCMn", i32 0, i32 18 |
| // CHECK-SAME: @"$s14generic_vtable7DerivedCACyxGycfC" |
| // CHECK-SAME: section "{{.*}}", align 4 |
| |
| //// Type metadata pattern for 'Derived' has an empty vtable, filled in at |
| //// instantiation time. |
| |
| // CHECK-LABEL: @"$s14generic_vtable7DerivedCMP" = internal constant <{{.*}}> <{ |
| // -- ivar destroyer |
| // CHECK-SAME: i32 0 |
| // -- |
| // CHECK-SAME: }>, align |
| |
| |
| //// Nominal type descriptor for 'Concrete' with method descriptors. |
| |
| // CHECK-LABEL: @"$s14generic_vtable8ConcreteCMn" = {{(dllexport )?}}{{(protected )?}}constant |
| // -- flags: has vtable, has override table, in-place initialization, is class, is unique |
| // CHECK-SAME: <i32 0xC001_0050>, |
| // -- vtable offset |
| // CHECK-32-SAME: i32 19, |
| // CHECK-64-SAME: i32 15, |
| // -- vtable size |
| // CHECK-SAME: i32 1, |
| // -- vtable entry for m4() |
| // CHECK-SAME: void (%T14generic_vtable8ConcreteC*)* @"$s14generic_vtable8ConcreteC2m4yyF" |
| // -- override table size |
| // CHECK-SAME: i32 2, |
| // -- override for m3() |
| // CHECK-SAME: @"$s14generic_vtable7DerivedCMn" |
| // CHECK-SAME: @"$s14generic_vtable7DerivedCMn", i32 0, i32 23 |
| // CHECK-SAME: @"$s14generic_vtable8ConcreteC2m3yyF" |
| // -- override for constructor |
| // CHECK-SAME: @"$s14generic_vtable4BaseCMn" |
| // CHECK-SYSV-SAME: @"$s14generic_vtable4BaseCMn", i32 0, i32 15 |
| // CHECK-WIN-SAME: @"$s14generic_vtable4BaseCMn", i32 0, i32 18 |
| // CHECK-SAME: @"$s14generic_vtable8ConcreteCACycfC" |
| // -- |
| // CHECK-SAME: section "{{.*}}", align 4 |
| |
| //// Type metadata for 'Concrete' has a static vtable. |
| |
| // CHECK-LABEL: @"$s14generic_vtable8ConcreteCMf" = internal global <{{.*}}> <{ |
| // -- destructor |
| // CHECK-SAME: void (%T14generic_vtable8ConcreteC*)* @"$s14generic_vtable8ConcreteCfD", |
| // -- value witness table is filled in at runtime |
| // CHECK-SAME: i8** null, |
| // -- nominal type descriptor |
| // CHECK-SAME: @"$s14generic_vtable8ConcreteCMn", |
| // -- vtable entry for 'm1()' |
| // CHECK-SAME: void (%T14generic_vtable4BaseC*)* @"$s14generic_vtable4BaseC2m1yyF" |
| // -- vtable entry for 'm2()' |
| // CHECK-SAME: void (%T14generic_vtable7DerivedC*)* @"$s14generic_vtable7DerivedC2m2yyF" |
| // -- vtable entry for 'init()' |
| // CHECK-SAME: %T14generic_vtable8ConcreteC* (%swift.type*)* @"$s14generic_vtable8ConcreteCACycfC" |
| // -- vtable entry for 'm3()' |
| // CHECK-SAME: void (%T14generic_vtable8ConcreteC*)* @"$s14generic_vtable8ConcreteC2m3yyF" |
| // -- vtable entry for 'm4()' |
| // CHECK-SAME: void (%T14generic_vtable8ConcreteC*)* @"$s14generic_vtable8ConcreteC2m4yyF" |
| // -- |
| // CHECK-SAME: }>, align |
| |
| |
| //// Method descriptors |
| |
| // CHECK-LABEL: @"$s14generic_vtable4BaseC2m1yyFTq" ={{( dllexport)?}}{{( protected)?}} alias %swift.method_descriptor, getelementptr inbounds (<{{.*}}>* @"$s14generic_vtable4BaseCMn", i32 0, i32 {{(13|16)}}) |
| // CHECK-LABEL: @"$s14generic_vtable4BaseC2m2yyFTq" ={{( dllexport)?}}{{( protected)?}} alias %swift.method_descriptor, getelementptr inbounds (<{{.*}}* @"$s14generic_vtable4BaseCMn", i32 0, i32 {{(14|17)}}) |
| // CHECK-LABEL: @"$s14generic_vtable4BaseCACycfCTq" = hidden alias %swift.method_descriptor, getelementptr inbounds (<{{.*}}* @"$s14generic_vtable4BaseCMn", i32 0, i32 {{(15|18)}}) |
| |
| // CHECK-LABEL: @"$s14generic_vtable7DerivedC2m3yyFTq" ={{( dllexport)?}}{{( protected)?}} alias %swift.method_descriptor, getelementptr inbounds (<{{.*}}>* @"$s14generic_vtable7DerivedCMn", i32 0, i32 23) |
| |
| // CHECK-LABEL: @"$s14generic_vtable8ConcreteC2m4yyFTq" ={{( dllexport)?}}{{( protected)?}} alias %swift.method_descriptor, getelementptr inbounds (<{{.*}}>* @"$s14generic_vtable8ConcreteCMn", i32 0, i32 16) |
| |
| |
| //// Metadata initialization function for 'Derived' copies superclass vtable |
| //// and installs overrides for 'm2()' and 'init()'. |
| |
| // CHECK-LABEL: define internal %swift.type* @"$s14generic_vtable7DerivedCMi"(%swift.type_descriptor*, i8**, i8*) |
| |
| // - 2 immediate members: |
| // - type metadata for generic parameter T, |
| // - and vtable entry for 'm3()' |
| // CHECK: [[METADATA:%.*]] = call %swift.type* @swift_allocateGenericClassMetadata(%swift.type_descriptor* %0, i8** %1, i8* %2) |
| // CHECK: ret %swift.type* [[METADATA]] |
| |
| // CHECK-LABEL: define internal swiftcc %swift.metadata_response @"$s14generic_vtable7DerivedCMr" |
| // CHECK-SAME: (%swift.type* [[METADATA:%.*]], i8*, i8**) {{.*}} { |
| // CHECK: call swiftcc %swift.metadata_response @swift_initClassMetadata2(%swift.type* [[METADATA]], [[INT]] 0, {{.*}}) |
| |
| // CHECK: ret %swift.metadata_response |
| |
| |
| // CHECK-LABEL: define {{(dllexport )?}}{{(protected )?}}swiftcc %swift.metadata_response @"$s14generic_vtable8ConcreteCMa" |
| // CHECK: call swiftcc %swift.metadata_response @swift_getSingletonMetadata([[INT]] %0, %swift.type_descriptor* bitcast ({{.*}} @"$s14generic_vtable8ConcreteCMn" to {{.*}})) |
| // CHECK: ret |
| |
| //// Metadata response function for 'Concrete' is fairly simple. |
| |
| // CHECK-LABEL: define internal swiftcc %swift.metadata_response @"$s14generic_vtable8ConcreteCMr"(%swift.type*, i8*, i8**) |
| // -- ClassLayoutFlags is 256 / 0x100, HasStaticVTable |
| // CHECK: call swiftcc %swift.metadata_response @swift_initClassMetadata2(%swift.type* %0, [[INT]] 256, {{.*}}) |
| // CHECK: ret %swift.metadata_response |
