1; REQUIRES: object-emission 2 3; RUN: llc -mtriple=x86_64-linux-gnu -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=all - | FileCheck %s 4 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. 8 9target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10target triple = "x86_64-unknown-linux-gnu" 11 12%struct.S = type { %struct.S* } 13 14define 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 19 20 ; CHECK: DW_TAG_structure_type 21 ; CHECK-NOT: DW_AT_decl_file 22 ; CHECK-NOT: DW_AT_decl_line 23 24 ; CHECK: DW_TAG_member 25 ; CHECK-NOT: DW_AT_decl_file 26 ; CHECK-NOT: DW_AT_decl_line 27 28 ; CHECK: {{DW_TAG|NULL}} 29 call void @llvm.dbg.declare(metadata %struct.S* %x, metadata !10, metadata !16), !dbg !17 30 ret void, !dbg !18 31} 32 33declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 34 35!llvm.dbg.cu = !{!0} 36!llvm.module.flags = !{!7, !8} 37!llvm.ident = !{!9} 38 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") 41!2 = !{} 42!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: false, unit: !0, variables: !2) 43!5 = !DISubroutineType(types: !6) 44!6 = !{null} 45!7 = !{i32 2, !"Dwarf Version", i32 4} 46!8 = !{i32 2, !"Debug Info Version", i32 3} 47!9 = !{!"clang"} 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) 51!13 = !{!14} 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) 54!16 = !DIExpression() 55!17 = !DILocation(line: 8, column: 6, scope: !4) 56!18 = !DILocation(line: 9, column: 1, scope: !4) 57