Recommit "rL366894: [yaml2obj] - Allow custom fields for the SHT_UNDEF sections."
[llvm-complete.git] / test / DebugInfo / Generic / mainsubprogram.ll
blobe59b3940a50292b3fc44a81b1d663a4fc951ad87
1 ; REQUIRES: object-emission
3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
4 ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
6 ; Make sure we're emitting DW_AT_main_subprogram.
7 ; CHECK: DW_TAG_subprogram
8 ; CHECK-NOT: {{DW_TAG|NULL}}
9 ; CHECK:   DW_AT_name {{.*}} "main"
10 ; CHECK-NOT: {{DW_TAG|NULL}}
11 ; CHECK:   DW_AT_main_subprogram [DW_FORM_flag_present] (true)
13 define i32 @main() #0 !dbg !4 {
14 entry:
15   %retval = alloca i32, align 4
16   store i32 0, i32* %retval
17   ret i32 0, !dbg !10
20 attributes #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" "unsafe-fp-math"="false" "use-soft-float"="false" }
22 !llvm.dbg.cu = !{!0}
23 !llvm.module.flags = !{!9, !11}
25 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 185475)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
26 !1 = !DIFile(filename: "CodeGen/dwarf-version.c", directory: "test")
27 !2 = !{}
28 !4 = distinct !DISubprogram(name: "main", line: 6, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, retainedNodes: !2)
29 !5 = !DIFile(filename: "CodeGen/dwarf-version.c", directory: "test")
30 !6 = !DISubroutineType(types: !7)
31 !7 = !{!8}
32 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
33 !9 = !{i32 2, !"Dwarf Version", i32 4}
34 !10 = !DILocation(line: 7, scope: !4)
35 !11 = !{i32 1, !"Debug Info Version", i32 3}