1 | // RUN: %clang_cc1 -triple x86_64-unknown_unknown -emit-llvm -debug-info-kind=limited %s -O1 -o - | FileCheck %s |
2 | |
3 | // Ensure class definitions are not emitted to debug info just because the |
4 | // vtable is emitted for optimization purposes (as available_externally). The |
5 | // class definition debug info should only go where the vtable is actually |
6 | // emitted into the object file. |
7 | |
8 | // CHECK: @_ZTV3foo = available_externally |
9 | |
10 | // Verify that this doesn't involve querying for the vtable of types that aren't |
11 | // dynamic (that would cause an assertion in the case below) |
12 | |
13 | // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "bar<int>" |
14 | template <typename> struct bar {}; |
15 | extern template struct bar<int>; |
16 | bar<int> *p1; |
17 | bar<int> a; |
18 | |
19 | // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo" |
20 | // CHECK-SAME: DIFlagFwdDecl |
21 | |
22 | struct foo { |
23 | virtual void f(); |
24 | }; |
25 | |
26 | foo f; |
27 | |