| ; This checks that .debug_types can be generated in the DWARF64 format. |
| |
| ; RUN: llc -mtriple=x86_64 -dwarf-version=4 -dwarf64 -generate-type-units -filetype=obj %s -o %t |
| ; RUN: llvm-dwarfdump -debug-types -v %t | FileCheck %s |
| |
| ; CHECK: .debug_types contents: |
| ; CHECK-NEXT: Type Unit: {{.+}}, format = DWARF64, {{.+}}, type_offset = 0x[[OFF:.+]] (next unit at |
| |
| ; CHECK: 0x00000027: DW_TAG_type_unit |
| |
| ; CHECK: 0x0000[[OFF]]: DW_TAG_structure_type |
| ; CHECK-NEXT: DW_AT_calling_convention |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ({{.+}} = "Foo") |
| |
| ; CHECK: 0x{{.+}}: DW_TAG_member |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ({{.+}} = "bar") |
| ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x[[BTOFF:.+]] => {0x0000[[BTOFF]]} "int") |
| |
| ; CHECK: 0x{{.+}}: NULL |
| |
| ; CHECK: 0x0000[[BTOFF]]: DW_TAG_base_type [4] |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ({{.+}} = "int") |
| |
| ; CHECK: 0x{{.+}}: NULL |
| |
| ; IR generated and reduced from: |
| ; $ cat foo.cc |
| ; struct Foo { int bar; }; |
| ; Foo foo; |
| ; $ clang -g -S -emit-llvm foo.cc -o foo.ll |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.Foo = type { i32 } |
| |
| @foo = dso_local global %struct.Foo zeroinitializer, align 4, !dbg !0 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!10, !11, !12} |
| !llvm.ident = !{!13} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true) |
| !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) |
| !3 = !DIFile(filename: "foo.cc", directory: "/tmp") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !3, line: 1, size: 32, flags: DIFlagTypePassByValue, elements: !7, identifier: "_ZTS3Foo") |
| !7 = !{!8} |
| !8 = !DIDerivedType(tag: DW_TAG_member, name: "bar", scope: !6, file: !3, line: 1, baseType: !9, size: 32) |
| !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !10 = !{i32 7, !"Dwarf Version", i32 4} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{i32 1, !"wchar_size", i32 4} |
| !13 = !{!"clang version 12.0.0"} |