1; This checks that .debug_types can be generated in the DWARF64 format. 2 3; RUN: llc -mtriple=x86_64 -dwarf-version=4 -dwarf64 -generate-type-units -filetype=obj %s -o %t 4; RUN: llvm-dwarfdump -debug-types -v %t | FileCheck %s 5 6; CHECK: .debug_types contents: 7; CHECK-NEXT: Type Unit: {{.+}}, format = DWARF64, {{.+}}, type_offset = 0x[[OFF:.+]] (next unit at 8 9; CHECK: 0x00000027: DW_TAG_type_unit 10 11; CHECK: 0x0000[[OFF]]: DW_TAG_structure_type 12; CHECK-NEXT: DW_AT_calling_convention 13; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ({{.+}} = "Foo") 14 15; CHECK: 0x{{.+}}: DW_TAG_member 16; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ({{.+}} = "bar") 17; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x[[BTOFF:.+]] => {0x0000[[BTOFF]]} "int") 18 19; CHECK: 0x{{.+}}: NULL 20 21; CHECK: 0x0000[[BTOFF]]: DW_TAG_base_type [4] 22; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ({{.+}} = "int") 23 24; CHECK: 0x{{.+}}: NULL 25 26; IR generated and reduced from: 27; $ cat foo.cc 28; struct Foo { int bar; }; 29; Foo foo; 30; $ clang -g -S -emit-llvm foo.cc -o foo.ll 31 32target triple = "x86_64-unknown-linux-gnu" 33 34%struct.Foo = type { i32 } 35 36@foo = dso_local global %struct.Foo zeroinitializer, align 4, !dbg !0 37 38!llvm.dbg.cu = !{!2} 39!llvm.module.flags = !{!10, !11, !12} 40!llvm.ident = !{!13} 41 42!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 43!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true) 44!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None) 45!3 = !DIFile(filename: "foo.cc", directory: "/tmp") 46!4 = !{} 47!5 = !{!0} 48!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !3, line: 1, size: 32, flags: DIFlagTypePassByValue, elements: !7, identifier: "_ZTS3Foo") 49!7 = !{!8} 50!8 = !DIDerivedType(tag: DW_TAG_member, name: "bar", scope: !6, file: !3, line: 1, baseType: !9, size: 32) 51!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 52!10 = !{i32 7, !"Dwarf Version", i32 4} 53!11 = !{i32 2, !"Debug Info Version", i32 3} 54!12 = !{i32 1, !"wchar_size", i32 4} 55!13 = !{!"clang version 12.0.0"} 56