1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s 5 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) 12 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 18 } 19 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" } 21 22 !llvm.dbg.cu = !{!0} 23 !llvm.module.flags = !{!9, !11} 24 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, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped | DIFlagMainSubprogram, 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} 36
