• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc -generate-arange-section < %s | FileCheck %s
2
3
4; -- header --
5; CHECK: .short 2 # DWARF Arange version number
6; CHECK-NEXT: .long .Lcu_begin0
7; CHECK-NEXT: .byte 8 # Address Size (in bytes)
8; CHECK-NEXT: .byte 0 # Segment Size (in bytes)
9; -- alignment --
10; CHECK-NEXT: .zero 4,255
11
12; <data section> - it should have made one span covering all vars in this CU.
13; CHECK-NEXT: .quad some_data
14; CHECK-NEXT: .quad .Lsec_end0-some_data
15
16; <other sections> - it should have made one span covering all vars in this CU.
17; CHECK-NEXT: .quad some_other
18; CHECK-NEXT: .quad .Lsec_end1-some_other
19
20; <common symbols> - it should have made one span for each symbol.
21; CHECK-NEXT: .quad some_bss
22; CHECK-NEXT: .quad 4
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: .quad .Lsec_end2-.Lfunc_begin0
27
28; -- finish --
29; CHECK-NEXT: # ARange terminator
30
31
32
33; -- source code --
34; Generated from: "clang -c -g -emit-llvm"
35;
36; int some_data = 4;
37; int some_bss;
38; int some_other __attribute__ ((section ("strange+section"))) = 5;
39;
40; void some_code()
41; {
42;    some_bss += some_data + some_other;
43; }
44
45target triple = "x86_64-unknown-linux-gnu"
46
47@some_data = global i32 4, align 4
48@some_other = global i32 5, section "strange+section", align 4
49@some_bss = common global i32 0, align 4
50
51define void @some_code() !dbg !4 {
52entry:
53  %0 = load i32, i32* @some_data, align 4, !dbg !14
54  %1 = load i32, i32* @some_other, align 4, !dbg !14
55  %add = add nsw i32 %0, %1, !dbg !14
56  %2 = load i32, i32* @some_bss, align 4, !dbg !14
57  %add1 = add nsw i32 %2, %add, !dbg !14
58  store i32 %add1, i32* @some_bss, align 4, !dbg !14
59  ret void, !dbg !15
60}
61
62!llvm.dbg.cu = !{!0}
63!llvm.module.flags = !{!13, !16}
64
65!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !8, imports: !2)
66!1 = !DIFile(filename: "test.c", directory: "/home/kayamon")
67!2 = !{}
68!4 = distinct !DISubprogram(name: "some_code", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, variables: !2)
69!5 = !DIFile(filename: "test.c", directory: "/home/kayamon")
70!6 = !DISubroutineType(types: !7)
71!7 = !{null}
72!8 = !{!9, !11, !12}
73!9 = !DIGlobalVariable(name: "some_data", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @some_data)
74!10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
75!11 = !DIGlobalVariable(name: "some_other", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @some_other)
76!12 = !DIGlobalVariable(name: "some_bss", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !10, variable: i32* @some_bss)
77!13 = !{i32 2, !"Dwarf Version", i32 4}
78!14 = !DILocation(line: 7, scope: !4)
79!15 = !DILocation(line: 8, scope: !4)
80!16 = !{i32 1, !"Debug Info Version", i32 3}
81