1 ; REQUIRES: object-emission
3 ; RUN: llc -mtriple=x86_64-linux-gnu -filetype=obj %s -o - | llvm-dwarfdump -all - | FileCheck %s
5 ; Test that we accept and generate DWARF entities for DW_TAG_structure_type,
6 ; DW_TAG_member and DW_TAG_typedef with no source location. These can come up
7 ; in some languages with predefined types.
9 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
10 target triple = "x86_64-unknown-linux-gnu"
12 %struct.S = type { %struct.S* }
14 define void @f() !dbg !4 {
15 %x = alloca %struct.S, align 8
16 ; CHECK: DW_TAG_typedef
17 ; CHECK-NOT: DW_AT_decl_file
18 ; CHECK-NOT: DW_AT_decl_line
20 ; CHECK: DW_TAG_structure_type
21 ; CHECK-NOT: DW_AT_decl_file
22 ; CHECK-NOT: DW_AT_decl_line
24 ; CHECK: DW_TAG_member
25 ; CHECK-NOT: DW_AT_decl_file
26 ; CHECK-NOT: DW_AT_decl_line
28 ; CHECK: {{DW_TAG|NULL}}
29 call void @llvm.dbg.declare(metadata %struct.S* %x, metadata !10, metadata !16), !dbg !17
33 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
36 !llvm.module.flags = !{!7, !8}
39 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
40 !1 = !DIFile(filename: "file.c", directory: "/dir")
42 !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: false, unit: !0, retainedNodes: !2)
43 !5 = !DISubroutineType(types: !6)
45 !7 = !{i32 2, !"Dwarf Version", i32 4}
46 !8 = !{i32 2, !"Debug Info Version", i32 3}
48 !10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 8, type: !11)
49 !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "SS", baseType: !12)
50 !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 64, align: 64, elements: !13)
52 !14 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !12, baseType: !15, size: 64, align: 64)
53 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64)
55 !17 = !DILocation(line: 8, column: 6, scope: !4)
56 !18 = !DILocation(line: 9, column: 1, scope: !4)