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 9 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10 target triple = "x86_64-unknown-linux-gnu" 11 12 %struct.S = type { %struct.S* } 13 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 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 33 declare 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: 1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 40 !1 = !DIFile(filename: "file.c", directory: "/dir") 41 !2 = !{} 42 !3 = !{!4} 43 !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: false, variables: !2) 44 !5 = !DISubroutineType(types: !6) 45 !6 = !{null} 46 !7 = !{i32 2, !"Dwarf Version", i32 4} 47 !8 = !{i32 2, !"Debug Info Version", i32 3} 48 !9 = !{!"clang"} 49 !10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 8, type: !11) 50 !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "SS", baseType: !12) 51 !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 64, align: 64, elements: !13) 52 !13 = !{!14} 53 !14 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !12, baseType: !15, size: 64, align: 64) 54 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64) 55 !16 = !DIExpression() 56 !17 = !DILocation(line: 8, column: 6, scope: !4) 57 !18 = !DILocation(line: 9, column: 1, scope: !4) 58
