1 2; RUN: llc -mtriple=x86_64-linux-gnu -filetype=obj %s -o - | llvm-dwarfdump -all - | FileCheck %s 3 4; Test that we accept and generate DWARF entities for DW_TAG_structure_type, 5; DW_TAG_member and DW_TAG_typedef with no source location. These can come up 6; in some languages with predefined types. 7 8target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 9target triple = "x86_64-unknown-linux-gnu" 10 11%struct.S = type { ptr } 12 13define void @f() !dbg !4 { 14 %x = alloca %struct.S, align 8 15 ; CHECK: DW_TAG_typedef 16 ; CHECK-NOT: DW_AT_decl_file 17 ; CHECK-NOT: DW_AT_decl_line 18 19 ; CHECK: DW_TAG_structure_type 20 ; CHECK-NOT: DW_AT_decl_file 21 ; CHECK-NOT: DW_AT_decl_line 22 23 ; CHECK: DW_TAG_member 24 ; CHECK-NOT: DW_AT_decl_file 25 ; CHECK-NOT: DW_AT_decl_line 26 27 ; CHECK: {{DW_TAG|NULL}} 28 call void @llvm.dbg.declare(metadata ptr %x, metadata !10, metadata !16), !dbg !17 29 ret void, !dbg !18 30} 31 32declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 33 34!llvm.dbg.cu = !{!0} 35!llvm.module.flags = !{!7, !8} 36!llvm.ident = !{!9} 37 38!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) 39!1 = !DIFile(filename: "file.c", directory: "/dir") 40!2 = !{} 41!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) 42!5 = !DISubroutineType(types: !6) 43!6 = !{null} 44!7 = !{i32 2, !"Dwarf Version", i32 4} 45!8 = !{i32 2, !"Debug Info Version", i32 3} 46!9 = !{!"clang"} 47!10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 8, type: !11) 48!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "SS", baseType: !12) 49!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 64, align: 64, elements: !13) 50!13 = !{!14} 51!14 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !12, baseType: !15, size: 64, align: 64) 52!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64) 53!16 = !DIExpression() 54!17 = !DILocation(line: 8, column: 6, scope: !4) 55!18 = !DILocation(line: 9, column: 1, scope: !4) 56