1; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu \
2; RUN:   | FileCheck --check-prefix=CHECK --check-prefix=SINGLE --check-prefix=SINGLE-64 %s
3
4; RUN: llc %s -o - -filetype=asm -O0 -mtriple=i386-linux-gnu \
5; RUN:   | FileCheck --check-prefix=CHECK --check-prefix=SINGLE --check-prefix=SINGLE-32 %s
6
7; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu -split-dwarf=Enable \
8; RUN:   | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s
9
10; FIXME: add relocation and DWARF expression support to llvm-dwarfdump & use
11; that here instead of raw assembly printing
12
13; FISSION: .section    .debug_info.dwo,
14; 3 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
15; FISSION: .byte 3{{ *}}# DW_AT_location
16; DW_OP_GNU_const_index (0xfx == 252) to refer to the debug_addr table
17; FISSION-NEXT: .byte 252
18; an index of zero into the debug_addr table
19; FISSION-NEXT: .byte 0
20
21; SINGLE: .section     .debug_info,
22; 10 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
23; SINGLE-64: .byte     10 # DW_AT_location
24; DW_OP_const8u (0x0e == 14) of address
25; SINGLE-64-NEXT: .byte        14
26; SINGLE-64-NEXT: .quad tls@DTPOFF
27
28; SINGLE-32: .byte     6 # DW_AT_location
29; DW_OP_const4u (0x0e == 12) of address
30; SINGLE-32-NEXT: .byte        12
31; SINGLE-32-NEXT: .long tls@DTPOFF
32
33; DW_OP_GNU_push_tls_address
34; CHECK-NEXT: .byte 224
35
36; FISSION: DW_TAG_variable
37; FISSION: .byte 2 # DW_AT_location
38; DW_OP_GNU_addr_index
39; FISSION-NEXT: .byte 251
40; FISSION-NEXT: .byte 1
41
42; FISSION: DW_TAG_template_value_parameter
43; FISSION: .byte 3 # DW_AT_location
44; DW_OP_GNU_addr_index
45; FISSION-NEXT: .byte 251
46; FISSION-NEXT: .byte 1
47; DW_OP_stack_value
48; FISSION-NEXT: .byte 159
49
50; check that the expected TLS address description is the first thing in the debug_addr section
51; FISSION: .section    .debug_addr
52; FISSION-NEXT: .quad  tls@DTPOFF
53; FISSION-NEXT: .quad  glbl
54; FISSION-NOT: .quad  glbl
55
56; Generated from:
57
58; __thread int tls;
59; int glbl;
60;
61; template <int *I>
62; int func() {
63;   return 0;
64; }
65;
66; template int func<&glbl>(); // create a second reference to 'glbl'
67
68
69@tls = thread_local global i32 0, align 4
70@glbl = global i32 0, align 4
71
72; Function Attrs: nounwind uwtable
73define weak_odr i32 @_Z4funcIXadL_Z4glblEEEiv() #0 {
74entry:
75  ret i32 0, !dbg !18
76}
77
78attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
79
80!llvm.dbg.cu = !{!0}
81!llvm.module.flags = !{!15, !16}
82!llvm.ident = !{!17}
83
84!0 = !{!"0x11\004\00clang version 3.5 \000\00\000\00-.dwo\000", !1, !2, !2, !3, !12, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/tls.cpp] [DW_LANG_C_plus_plus]
85!1 = !{!"tls.cpp", !"/tmp/dbginfo"}
86!2 = !{}
87!3 = !{!4}
88!4 = !{!"0x2e\00func<&glbl>\00func<&glbl>\00_Z4funcIXadL_Z4glblEEEiv\005\000\001\000\006\00256\000\005", !1, !5, !6, null, i32 ()* @_Z4funcIXadL_Z4glblEEEiv, !9, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [func<&glbl>]
89!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/tmp/dbginfo/tls.cpp]
90!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
91!7 = !{!8}
92!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
93!9 = !{!10}
94!10 = !{!"0x30\00I\000\000", null, !11, i32* @glbl, null} ; [ DW_TAG_template_value_parameter ]
95!11 = !{!"0xf\00\000\0064\0064\000\000", null, null, !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
96!12 = !{!13, !14}
97!13 = !{!"0x34\00tls\00tls\00\001\000\001", null, !5, !8, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
98!14 = !{!"0x34\00glbl\00glbl\00\002\000\001", null, !5, !8, i32* @glbl, null} ; [ DW_TAG_variable ] [glbl] [line 2] [def]
99!15 = !{i32 2, !"Dwarf Version", i32 4}
100!16 = !{i32 1, !"Debug Info Version", i32 2}
101!17 = !{!"clang version 3.5 "}
102!18 = !MDLocation(line: 6, scope: !4)
103