1; RUN: llc -filetype=asm -O0 -mtriple=x86_64-linux-gnu < %s | FileCheck %s
2; RUN: llc -filetype=obj -O0 %s -mtriple=x86_64-linux-gnu -o %t
3; RUN: llvm-dwarfdump %t | FileCheck %s -check-prefix=CHECK-DWARF
4
5; RUN: llc -filetype=obj %s -mtriple=x86_64-apple-darwin -o %t2
6; RUN: llvm-dwarfdump %t2 | FileCheck %s -check-prefix=DARWIN-DWARF
7
8; Testing case generated from:
9; clang++ tu1.cpp tu2.cpp -g -emit-llvm -c
10; llvm-link tu1.bc tu2.bc -o tu12.ll -S
11; cat hdr.h
12; struct foo {
13; };
14; cat tu1.cpp
15; #include "hdr.h"
16; foo f;
17; cat tu2.cpp
18; #include "hdr.h"
19; foo g;
20
21; Make sure we use relocation for ref_addr on non-darwin platforms.
22; CHECK: DW_TAG_compile_unit
23; CHECK: DW_TAG_variable
24; CHECK: .long [[TYPE:.*]] # DW_AT_type
25; CHECK: DW_TAG_structure_type
26; CHECK: debug_info_begin1
27; CHECK: DW_TAG_compile_unit
28; CHECK-NOT: DW_TAG_structure_type
29; This variable's type is in the 1st CU.
30; CHECK: DW_TAG_variable
31; Make sure this is relocatable.
32; CHECK: .quad .Lsection_info+[[TYPE]] # DW_AT_type
33; CHECK-NOT: DW_TAG_structure_type
34; CHECK: .section
35
36; CHECK-DWARF: DW_TAG_compile_unit
37; CHECK-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type
38; CHECK-DWARF: DW_TAG_compile_unit
39; CHECK-DWARF: DW_TAG_variable
40; CHECK-DWARF: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ADDR]])
41
42; DARWIN-DWARF: DW_TAG_compile_unit
43; DARWIN-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type
44; DARWIN-DWARF: DW_TAG_compile_unit
45; DARWIN-DWARF: DW_TAG_variable
46; DARWIN-DWARF: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[ADDR]])
47
48%struct.foo = type { i8 }
49
50@f = global %struct.foo zeroinitializer, align 1
51@g = global %struct.foo zeroinitializer, align 1
52
53!llvm.dbg.cu = !{!0, !9}
54!llvm.module.flags = !{!14, !15}
55
56!0 = !{!"0x11\004\00clang version 3.4 (trunk 191799)\000\00\000\00\000", !1, !2, !3, !2, !6, !2} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu1.cpp] [DW_LANG_C_plus_plus]
57!1 = !{!"tu1.cpp", !"/Users/manmanren/test-Nov/type_unique_air/ref_addr"}
58!2 = !{}
59!3 = !{!4}
60!4 = !{!"0x13\00foo\001\008\008\000\000\000", !5, null, null, !2, null, null, !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 1, size 8, align 8, offset 0] [def] [from ]
61!5 = !{!"./hdr.h", !"/Users/manmanren/test-Nov/type_unique_air/ref_addr"}
62!6 = !{!7}
63!7 = !{!"0x34\00f\00f\00\002\000\001", null, !8, !4, %struct.foo* @f, null} ; [ DW_TAG_variable ] [f] [line 2] [def]
64!8 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu1.cpp]
65!9 = !{!"0x11\004\00clang version 3.4 (trunk 191799)\000\00\000\00\000", !10, !2, !3, !2, !11, !2} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu2.cpp] [DW_LANG_C_plus_plus]
66!10 = !{!"tu2.cpp", !"/Users/manmanren/test-Nov/type_unique_air/ref_addr"}
67!11 = !{!12}
68!12 = !{!"0x34\00g\00g\00\002\000\001", null, !13, !4, %struct.foo* @g, null} ; [ DW_TAG_variable ] [g] [line 2] [def]
69!13 = !{!"0x29", !10}        ; [ DW_TAG_file_type ] [/Users/manmanren/test-Nov/type_unique_air/ref_addr/tu2.cpp]
70!14 = !{i32 2, !"Dwarf Version", i32 2}
71!15 = !{i32 1, !"Debug Info Version", i32 2}
72