1 2; RUN: llc -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu < %s \ 3; RUN: | llvm-dwarfdump -debug-info -debug-types - | FileCheck %s 4 5; CHECK: Compile Unit: 6 7; CHECK: Type Unit: 8; CHECK: DW_TAG_structure 9; CHECK-NOT: {{DW_TAG|NULL}} 10; CHECK: DW_AT_name ("foo") 11; CHECK-NOT: {{DW_TAG|NULL}} 12; CHECK: DW_TAG_member 13; CHECK-NEXT: DW_AT_name ("x") 14; CHECK-NEXT: DW_AT_type ({{.*}} "int[1]" 15 16; But make sure we still use a type unit for an anonymous type that still has a 17; name for linkage purposes (due to being defined in a typedef). 18 19; CHECK: Type Unit: 20; CHECK: DW_TAG_structure 21; CHECK-NEXT: DW_AT_calling_convention 22; CHECK-NEXT: DW_AT_byte_size 23; CHECK-NEXT: DW_AT_decl_file 24; CHECK-NEXT: DW_AT_decl_line 25; CHECK-NOT: DW 26; CHECK: NULL 27 28%struct.foo = type { [1 x i32] } 29%struct.bar = type { i8 } 30 31; Function Attrs: noinline nounwind optnone uwtable 32define dso_local void @_Z1f3foo3bar(i32 %.coerce) #0 !dbg !7 { 33entry: 34 %0 = alloca %struct.foo, align 4 35 %1 = alloca %struct.bar, align 1 36 store i32 %.coerce, ptr %0, align 4 37 call void @llvm.dbg.declare(metadata ptr %0, metadata !19, metadata !DIExpression()), !dbg !20 38 call void @llvm.dbg.declare(metadata ptr %1, metadata !21, metadata !DIExpression()), !dbg !22 39 ret void, !dbg !23 40} 41 42; Function Attrs: nounwind readnone speculatable 43declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 44 45attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 46attributes #1 = { nounwind readnone speculatable } 47 48!llvm.dbg.cu = !{!0} 49!llvm.module.flags = !{!3, !4, !5} 50!llvm.ident = !{!6} 51 52!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (trunk 360374) (llvm/trunk 360380)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 53!1 = !DIFile(filename: "named_types.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 54!2 = !{} 55!3 = !{i32 2, !"Dwarf Version", i32 4} 56!4 = !{i32 2, !"Debug Info Version", i32 3} 57!5 = !{i32 1, !"wchar_size", i32 4} 58!6 = !{!"clang version 9.0.0 (trunk 360374) (llvm/trunk 360380)"} 59!7 = distinct !DISubprogram(name: "f", linkageName: "_Z1f3foo3bar", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) 60!8 = !DISubroutineType(types: !9) 61!9 = !{null, !10, !17} 62!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "foo", file: !1, line: 1, size: 32, flags: DIFlagTypePassByValue, elements: !11, identifier: "_ZTS3foo") 63!11 = !{!12} 64!12 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !10, file: !1, line: 2, baseType: !13, size: 32) 65!13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 32, elements: !15) 66!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 67!15 = !{!16} 68!16 = !DISubrange(count: 1) 69!17 = !DIDerivedType(tag: DW_TAG_typedef, name: "bar", file: !1, line: 5, baseType: !18) 70!18 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 4, size: 8, flags: DIFlagTypePassByValue, elements: !2, identifier: "_ZTS3bar") 71!19 = !DILocalVariable(arg: 1, scope: !7, file: !1, line: 6, type: !10) 72!20 = !DILocation(line: 6, column: 11, scope: !7) 73!21 = !DILocalVariable(arg: 2, scope: !7, file: !1, line: 6, type: !17) 74!22 = !DILocation(line: 6, column: 16, scope: !7) 75!23 = !DILocation(line: 7, column: 1, scope: !7) 76 77