Michael Buch f2aedc21f9
[clang][DebugInfo][test] Move debug-info tests from CodeGenCXX to DebugInfo directory (#154538)
This patch works towards consolidating all Clang debug-info into the
`clang/test/DebugInfo` directory
(https://discourse.llvm.org/t/clang-test-location-of-clang-debug-info-tests/87958).

Here we move only the `clang/test/CodeGenCXX` tests. I created a `CXX`
subdirectory for now because many of the tests I checked actually did
seem C++-specific. There is probably overlap between the `Generic` and
`CXX` subdirectory, but I haven't gone through and audited them all.

The list of files i came up with is:
1. searched for anything with `*debug-info*` in the filename
2. searched for occurrences of `debug-info-kind` in the tests

There's a couple of tests in `clang/test/CodeGenCXX` that still set
`-debug-info-kind`. They probably don't need to do that, but I'm not
changing that as part of this PR.
2025-08-21 09:26:08 +01:00

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// RUN: %clang_cc1 -triple x86_64-unknown_unknown -emit-llvm -debug-info-kind=limited %s -O1 -disable-llvm-passes -o - | FileCheck %s
// Ensure class definitions are not emitted to debug info just because the
// vtable is emitted for optimization purposes (as available_externally). The
// class definition debug info should only go where the vtable is actually
// emitted into the object file.
// CHECK: @_ZTV3foo = available_externally
// Verify that this doesn't involve querying for the vtable of types that aren't
// dynamic (that would cause an assertion in the case below)
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "bar<int>"
template <typename> struct bar {};
extern template struct bar<int>;
bar<int> *p1;
bar<int> a;
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo"
// CHECK-SAME: DIFlagFwdDecl
struct foo {
virtual void f();
};
foo f;