1// Test that we can jump from a type unit in one dwo file into a type unit in a
2// different dwo file.
3
4// REQUIRES: lld
5
6// RUN: %clang %s -target x86_64-pc-linux -fno-standalone-debug -g \
7// RUN: -fdebug-types-section -gsplit-dwarf -c -o %t1.o -DONE
8// RUN: %clang %s -target x86_64-pc-linux -fno-standalone-debug -g \
9// RUN: -fdebug-types-section -gsplit-dwarf -c -o %t2.o -DTWO
10// RUN: llvm-dwarfdump %t1.dwo -debug-types -debug-info | FileCheck --check-prefix=ONEUNIT %s
11// RUN: llvm-dwarfdump %t2.dwo -debug-types -debug-info | FileCheck --check-prefix=ONEUNIT %s
12// RUN: ld.lld %t1.o %t2.o -o %t
13// RUN: %lldb %t -o "target var a b **b.a" -b | FileCheck %s
14
15// ONEUNIT-COUNT-1: DW_TAG_type_unit
16
17// CHECK: (const A) a = (a = 42)
18// CHECK: (const B) b = {
19// CHECK-NEXT: a = 0x{{.*}}
20// CHECK-NEXT: }
21// CHECK: (const A) **b.a = (a = 42)
22
23struct A;
24
25extern const A *a_ptr;
26#ifdef ONE
27struct A {
28 int a = 42;
29};
30constexpr A a{};
31const A *a_ptr = &a;
32#else
33struct B {
34 const A **a;
35};
36extern constexpr B b{.a: &a_ptr};
37#endif
38

source code of lldb/test/Shell/SymbolFile/DWARF/x86/debug-types-dwo-cross-reference.cpp