teak-llvm/clang/test/CodeGenCXX/debug-info-class-optzns.cpp
Petr Hosek 516e6cc1dd [Clang] Disable new PM for tests that use optimization level -O1, -O2 and -O3
Tests that use -O1, -O2 and -O3 would often produce different results
with the new pass manager which makes these tests fail. Disable new PM
explicitly for these tests.

Differential Revision: https://reviews.llvm.org/D58375

llvm-svn: 362580
2019-06-05 03:17:11 +00:00

27 lines
906 B
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// RUN: %clang_cc1 -triple x86_64-unknown_unknown -emit-llvm -debug-info-kind=limited %s -O1 -fno-experimental-new-pass-manager -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;