1; RUN: llc < %s | FileCheck %s
2
3
4; -- header --
5; CHECK: .short 2 # DWARF Arange version number
6; CHECK-NEXT: .long .L.debug_info_begin0
7; CHECK-NEXT: .byte 8 # Address Size (in bytes)
8; CHECK-NEXT: .byte 0 # Segment Size (in bytes)
9; -- alignment --
10; CHECK-NEXT: .byte
11; CHECK-NEXT: .byte
12; CHECK-NEXT: .byte
13; CHECK-NEXT: .byte
14
15; <common symbols> - it should have made one span for each symbol.
16; CHECK-NEXT: .quad some_bss
17; CHECK-NEXT: .quad 4
18
19; <data section> - it should have made one span covering all vars in this CU.
20; CHECK-NEXT: .quad some_data
21; CHECK-NEXT: .Lset0 = .Ldebug_end1-some_data
22; CHECK-NEXT: .quad .Lset0
23
24; <text section> - it should have made one span covering all functions in this CU.
25; CHECK-NEXT: .quad .Lfunc_begin0
26; CHECK-NEXT: .Lset1 = .Ldebug_end2-.Lfunc_begin0
27; CHECK-NEXT: .quad .Lset1
28
29; <other sections> - it should have made one span covering all vars in this CU.
30; CHECK-NEXT: .quad some_other
31; CHECK-NEXT: .Lset2 = .Ldebug_end3-some_other
32; CHECK-NEXT: .quad .Lset2
33
34; -- finish --
35; CHECK-NEXT: # ARange terminator
36
37
38
39; -- source code --
40; Generated from: "clang -c -g -emit-llvm"
41;
42; int some_data = 4;
43; int some_bss;
44; int some_other __attribute__ ((section ("strange+section"))) = 5;
45;
46; void some_code()
47; {
48;    some_bss += some_data + some_other;
49; }
50
51target triple = "x86_64-unknown-linux-gnu"
52
53@some_data = global i32 4, align 4
54@some_other = global i32 5, section "strange+section", align 4
55@some_bss = common global i32 0, align 4
56
57define void @some_code() {
58entry:
59  %0 = load i32* @some_data, align 4, !dbg !14
60  %1 = load i32* @some_other, align 4, !dbg !14
61  %add = add nsw i32 %0, %1, !dbg !14
62  %2 = load i32* @some_bss, align 4, !dbg !14
63  %add1 = add nsw i32 %2, %add, !dbg !14
64  store i32 %add1, i32* @some_bss, align 4, !dbg !14
65  ret void, !dbg !15
66}
67
68!llvm.dbg.cu = !{!0}
69!llvm.module.flags = !{!13}
70
71!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !8, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/home/kayamon/test.c] [DW_LANG_C99]
72!1 = metadata !{metadata !"test.c", metadata !"/home/kayamon"}
73!2 = metadata !{i32 0}
74!3 = metadata !{metadata !4}
75!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"some_code", metadata !"some_code", metadata !"", i32 5, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @some_code, null, null, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 5] [def] [scope 6] [some_code]
76!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/home/kayamon/test.c]
77!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
78!7 = metadata !{null}
79!8 = metadata !{metadata !9, metadata !11, metadata !12}
80!9 = metadata !{i32 786484, i32 0, null, metadata !"some_data", metadata !"some_data", metadata !"", metadata !5, i32 1, metadata !10, i32 0, i32 1, i32* @some_data, null} ; [ DW_TAG_variable ] [some_data] [line 1] [def]
81!10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
82!11 = metadata !{i32 786484, i32 0, null, metadata !"some_other", metadata !"some_other", metadata !"", metadata !5, i32 3, metadata !10, i32 0, i32 1, i32* @some_other, null} ; [ DW_TAG_variable ] [some_other] [line 3] [def]
83!12 = metadata !{i32 786484, i32 0, null, metadata !"some_bss", metadata !"some_bss", metadata !"", metadata !5, i32 2, metadata !10, i32 0, i32 1, i32* @some_bss, null} ; [ DW_TAG_variable ] [some_bss] [line 2] [def]
84!13 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
85!14 = metadata !{i32 7, i32 0, metadata !4, null}
86!15 = metadata !{i32 8, i32 0, metadata !4, null} ; [ DW_TAG_imported_declaration ]
87