1 // RUN: %clang_cc1 -fno-rtti-data -O1 -disable-llvm-optzns %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: @"\01??_7?$Foo@H@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [ 7 // CHECK-SAME: i8* bitcast (i8* (%struct.Foo*, i32)* @"\01??_G?$Foo@H@@UEAAPEAXI@Z" to i8*) 8 // CHECK-SAME: ], comdat 9 10 // CHECK-LABEL: define %struct.Foo* @"\01?f@@YAPEAU?$Foo@H@@XZ"() 11 // CHECK: call %struct.Foo* @"\01??0?$Foo@H@@QEAA@XZ"(%struct.Foo* %{{.*}}) 12 13 // CHECK: define available_externally %struct.Foo* @"\01??0?$Foo@H@@QEAA@XZ"(%struct.Foo* returned %this) 14 // CHECK: store {{.*}} @"\01??_7?$Foo@H@@6B@" 15 16 // CHECK: define linkonce_odr i8* @"\01??_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
