| David Blaikie | ce3c8ef | 2016-11-28 21:32:19 +0000 | [diff] [blame] | 1 | ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t |
| Adrian Prantl | 16aa4cf | 2017-09-11 23:05:20 +0000 | [diff] [blame] | 2 | ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s |
| David Blaikie | ce3c8ef | 2016-11-28 21:32:19 +0000 | [diff] [blame] | 3 | |
| 4 | ; Make sure we're emitting DW_AT_main_subprogram. |
| 5 | ; CHECK: DW_TAG_subprogram |
| 6 | ; CHECK-NOT: {{DW_TAG|NULL}} |
| 7 | ; CHECK: DW_AT_name {{.*}} "main" |
| 8 | ; CHECK-NOT: {{DW_TAG|NULL}} |
| 9 | ; CHECK: DW_AT_main_subprogram [DW_FORM_flag_present] (true) |
| 10 | |
| 11 | define i32 @main() #0 !dbg !4 { |
| 12 | entry: |
| 13 | %retval = alloca i32, align 4 |
| 14 | store i32 0, i32* %retval |
| 15 | ret i32 0, !dbg !10 |
| 16 | } |
| 17 | |
| Fangrui Song | 502a77f | 2019-12-24 15:52:21 -0800 | [diff] [blame] | 18 | attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| David Blaikie | ce3c8ef | 2016-11-28 21:32:19 +0000 | [diff] [blame] | 19 | |
| 20 | !llvm.dbg.cu = !{!0} |
| 21 | !llvm.module.flags = !{!9, !11} |
| 22 | |
| 23 | !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) |
| 24 | !1 = !DIFile(filename: "CodeGen/dwarf-version.c", directory: "test") |
| 25 | !2 = !{} |
| Petar Jovanovic | 38a6187 | 2019-03-19 13:49:03 +0000 | [diff] [blame] | 26 | !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) |
| David Blaikie | ce3c8ef | 2016-11-28 21:32:19 +0000 | [diff] [blame] | 27 | !5 = !DIFile(filename: "CodeGen/dwarf-version.c", directory: "test") |
| 28 | !6 = !DISubroutineType(types: !7) |
| 29 | !7 = !{!8} |
| 30 | !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| 31 | !9 = !{i32 2, !"Dwarf Version", i32 4} |
| 32 | !10 = !DILocation(line: 7, scope: !4) |
| 33 | !11 = !{i32 1, !"Debug Info Version", i32 3} |