1 ; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
2 ; RUN: llc --try-experimental-debuginfo-iterators -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
4 ;; Copied from dbg-value-tag-offset.ll. Check that variables with locations
5 ;; tracked with dbg.assigns with DW_OP_LLVM_TAG_offset operators in their
6 ;; expressions get a DW_AT_LLVM_tag_offset attribute on their DIE.
8 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
9 target triple = "aarch64-unknown-linux-android24"
11 ; CHECK: DW_TAG_variable
13 ; CHECK: DW_AT_LLVM_tag_offset (0x00)
14 ; CHECK-NEXT: DW_AT_name ("x")
16 ; CHECK: DW_TAG_variable
18 ; CHECK: DW_AT_LLVM_tag_offset (0x80)
19 ; CHECK-NEXT: DW_AT_name ("y")
21 define dso_local void @f() !dbg !14 {
22 %1 = alloca i32, align 4, !DIAssignID !31
23 call void @llvm.dbg.assign(metadata i1 undef, metadata !18, metadata !DIExpression(), metadata !31, metadata ptr %1, metadata !DIExpression(DW_OP_LLVM_tag_offset, 0)), !dbg !22
24 %2 = alloca i32, align 4, !DIAssignID !32
25 call void @llvm.dbg.assign(metadata i1 undef, metadata !20, metadata !DIExpression(), metadata !32, metadata ptr %2, metadata !DIExpression(DW_OP_LLVM_tag_offset, 128)), !dbg !22
26 store i32 1, ptr %2, align 4, !dbg !23, !tbaa !24, !DIAssignID !33
27 call void @llvm.dbg.assign(metadata i32 1, metadata !20, metadata !DIExpression(), metadata !33, metadata ptr %2, metadata !DIExpression(DW_OP_LLVM_tag_offset, 128)), !dbg !22
28 call void @use(ptr nonnull %1), !dbg !28
29 call void @use(ptr nonnull %2), !dbg !29
33 declare !dbg !5 void @use(ptr)
35 declare void @llvm.dbg.value(metadata, metadata, metadata)
36 declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
39 !llvm.module.flags = !{!8, !9, !10, !11, !12, !34}
42 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
43 !1 = !DIFile(filename: "dbg.cc", directory: "/tmp")
46 !4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
47 !5 = !DISubprogram(name: "use", scope: !1, file: !1, line: 2, type: !6, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
48 !6 = !DISubroutineType(types: !7)
50 !8 = !{i32 7, !"Dwarf Version", i32 4}
51 !9 = !{i32 2, !"Debug Info Version", i32 3}
52 !10 = !{i32 1, !"wchar_size", i32 4}
53 !11 = !{i32 7, !"PIC Level", i32 2}
54 !12 = !{i32 7, !"PIE Level", i32 2}
55 !13 = !{!"clang version 10.0.0"}
56 !14 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 4, type: !15, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)
57 !15 = !DISubroutineType(types: !16)
60 !18 = !DILocalVariable(name: "x", scope: !14, file: !1, line: 5, type: !19)
61 !19 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
62 !20 = !DILocalVariable(name: "y", scope: !14, file: !1, line: 5, type: !19)
63 !21 = !DILocation(line: 5, column: 3, scope: !14)
64 !22 = !DILocation(line: 0, scope: !14)
65 !23 = !DILocation(line: 5, column: 10, scope: !14)
66 !24 = !{!25, !25, i64 0}
67 !25 = !{!"int", !26, i64 0}
68 !26 = !{!"omnipotent char", !27, i64 0}
69 !27 = !{!"Simple C++ TBAA"}
70 !28 = !DILocation(line: 6, column: 3, scope: !14)
71 !29 = !DILocation(line: 7, column: 3, scope: !14)
72 !30 = !DILocation(line: 8, column: 1, scope: !14)
73 !31 = distinct !DIAssignID()
74 !32 = distinct !DIAssignID()
75 !33 = distinct !DIAssignID()
76 !34 = !{i32 7, !"debug-info-assignment-tracking", i1 true}