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1 2; RUN: llc -mtriple=x86_64-linux-gnu -filetype=obj %s -o - | llvm-dwarfdump -all - | FileCheck %s3 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 up6; 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 815 ; CHECK: DW_TAG_typedef16 ; CHECK-NOT: DW_AT_decl_file17 ; CHECK-NOT: DW_AT_decl_line18 19 ; CHECK: DW_TAG_structure_type20 ; CHECK-NOT: DW_AT_decl_file21 ; CHECK-NOT: DW_AT_decl_line22 23 ; CHECK: DW_TAG_member24 ; CHECK-NOT: DW_AT_decl_file25 ; CHECK-NOT: DW_AT_decl_line26 27 ; CHECK: {{DW_TAG|NULL}}28 call void @llvm.dbg.declare(metadata ptr %x, metadata !10, metadata !16), !dbg !1729 ret void, !dbg !1830}31 32declare void @llvm.dbg.declare(metadata, metadata, metadata) #133 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