1 | // RUN: %clang_cc1 -fno-rtti-data -O1 -disable-llvm-passes %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s |
2 | |
3 | // Even though Foo<int> has an extern template declaration, we have to emit our |
4 | // own copy the vftable when emitting the available externally constructor. |
5 | |
6 | // CHECK: @"??_7?$Foo@H@@6B@" = linkonce_odr unnamed_addr constant { [1 x i8*] } { [1 x i8*] [ |
7 | // CHECK-SAME: i8* bitcast (i8* (%struct.Foo*, i32)* @"??_G?$Foo@H@@UEAAPEAXI@Z" to i8*) |
8 | // CHECK-SAME: ] }, comdat |
9 | |
10 | // CHECK-LABEL: define dso_local %struct.Foo* @"?f@@YAPEAU?$Foo@H@@XZ"() |
11 | // CHECK: call %struct.Foo* @"??0?$Foo@H@@QEAA@XZ"(%struct.Foo* %{{.*}}) |
12 | |
13 | // CHECK: define available_externally dso_local %struct.Foo* @"??0?$Foo@H@@QEAA@XZ"(%struct.Foo* returned %this) |
14 | // CHECK: store {{.*}} @"??_7?$Foo@H@@6B@" |
15 | |
16 | // CHECK: define linkonce_odr dso_local i8* @"??_G?$Foo@H@@UEAAPEAXI@Z"(%struct.Foo* %this, i32 %should_call_delete) |
17 | |
18 | struct Base { |
19 | virtual ~Base(); |
20 | }; |
21 | template <typename T> struct Foo : Base { |
22 | Foo() {} |
23 | }; |
24 | extern template class Foo<int>; |
25 | Foo<int> *f() { return new Foo<int>(); } |
26 | |