1 ; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj 2 ; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s 3 4 ; Checks that we don't emit a size for a pointer type. 5 ; CHECK: DW_TAG_pointer_type 6 ; CHECK-NEXT: DW_AT_type 7 ; CHECK-NOT: DW_AT_byte_size 8 ; CHECK: DW_TAG 9 ; CHECK: .debug_info contents 10 11 %struct.A = type { i32 } 12 13 define i32 @_Z3fooP1A(%struct.A* %a) nounwind uwtable ssp !dbg !5 { 14 entry: 15 %a.addr = alloca %struct.A*, align 8 16 store %struct.A* %a, %struct.A** %a.addr, align 8 17 call void @llvm.dbg.declare(metadata %struct.A** %a.addr, metadata !16, metadata !DIExpression()), !dbg !17 18 %0 = load %struct.A*, %struct.A** %a.addr, align 8, !dbg !18 19 %b = getelementptr inbounds %struct.A, %struct.A* %0, i32 0, i32 0, !dbg !18 20 %1 = load i32, i32* %b, align 4, !dbg !18 21 ret i32 %1, !dbg !18 22 } 23 24 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 25 26 !llvm.dbg.cu = !{!0} 27 !llvm.module.flags = !{!21} 28 29 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.1 (trunk 150996)", isOptimized: false, emissionKind: 0, file: !20, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1) 30 !1 = !{} 31 !3 = !{!5} 32 !5 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooP1A", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !20, scope: !6, type: !7) 33 !6 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo") 34 !7 = !DISubroutineType(types: !8) 35 !8 = !{!9, !10} 36 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 37 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11) 38 !11 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 32, align: 32, file: !20, elements: !12) 39 !12 = !{!13} 40 !13 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 1, size: 32, align: 32, file: !20, scope: !11, baseType: !9) 41 !16 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !5, file: !6, type: !10) 42 !17 = !DILocation(line: 3, column: 13, scope: !5) 43 !18 = !DILocation(line: 4, column: 3, scope: !19) 44 !19 = distinct !DILexicalBlock(line: 3, column: 16, file: !20, scope: !5) 45 !20 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo") 46 !21 = !{i32 1, !"Debug Info Version", i32 3} 47
