| ; REQUIRES: object-emission |
| |
| ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t |
| ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s |
| |
| ; Make sure we're emitting DW_AT_main_subprogram. |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_name {{.*}} "main" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_main_subprogram [DW_FORM_flag_present] (true) |
| |
| define i32 @main() #0 !dbg !4 { |
| entry: |
| %retval = alloca i32, align 4 |
| store i32 0, i32* %retval |
| ret i32 0, !dbg !10 |
| } |
| |
| 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" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!9, !11} |
| |
| !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) |
| !1 = !DIFile(filename: "CodeGen/dwarf-version.c", directory: "test") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "main", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped | DIFlagMainSubprogram, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !5 = !DIFile(filename: "CodeGen/dwarf-version.c", directory: "test") |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{!8} |
| !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !9 = !{i32 2, !"Dwarf Version", i32 4} |
| !10 = !DILocation(line: 7, scope: !4) |
| !11 = !{i32 1, !"Debug Info Version", i32 3} |
