1; RUN: opt -aarch64-stack-tagging -stack-tagging-record-stack-history=instr -S -o - %s | FileCheck %s 2 3target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 4target triple = "aarch64-unknown-linux-android35" 5 6define dso_local void @f() sanitize_memtag !dbg !14 { 7 %a1 = alloca i128, align 4 8 %a2 = alloca i128, align 4 9; CHECK: #dbg_value(i128 1, {{.*}}, !DIExpression(), 10 call void @llvm.dbg.value(metadata i128 1, metadata !20, metadata !DIExpression()), !dbg !22 11 store i128 1, ptr %a2, align 4, !dbg !23, !tbaa !24 12; CHECK: #dbg_value(ptr %a1, {{.*}}, !DIExpression(DW_OP_LLVM_tag_offset, 0, DW_OP_deref), 13 call void @llvm.dbg.value(metadata ptr %a1, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !22 14 call void @use(ptr nonnull %a1), !dbg !28 15; CHECK: #dbg_value(ptr %a2, {{.*}}, !DIExpression(DW_OP_LLVM_tag_offset, 1, DW_OP_deref), 16 call void @llvm.dbg.value(metadata ptr %a2, metadata !20, metadata !DIExpression(DW_OP_deref)), !dbg !22 17 call void @use(ptr nonnull %a2), !dbg !29 18 ret void, !dbg !30 19} 20 21declare !dbg !5 void @use(ptr) 22 23declare void @llvm.dbg.value(metadata, metadata, metadata) 24 25!llvm.dbg.cu = !{!0} 26!llvm.module.flags = !{!8, !9, !10, !11, !12} 27!llvm.ident = !{!13} 28 29!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0 (git@github.com:llvm/llvm-project.git 5560dd08b99a0e8b0c55116376624e4f967caec5)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None) 30!1 = !DIFile(filename: "dbg.cc", directory: "/tmp") 31!2 = !{} 32!3 = !{!4, !5} 33!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) 34!5 = !DISubprogram(name: "use", scope: !1, file: !1, line: 2, type: !6, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 35!6 = !DISubroutineType(types: !7) 36!7 = !{null, !4} 37!8 = !{i32 7, !"Dwarf Version", i32 4} 38!9 = !{i32 2, !"Debug Info Version", i32 3} 39!10 = !{i32 1, !"wchar_size", i32 4} 40!11 = !{i32 7, !"PIC Level", i32 2} 41!12 = !{i32 7, !"PIE Level", i32 2} 42!13 = !{!"clang version 10.0.0 (git@github.com:llvm/llvm-project.git 5560dd08b99a0e8b0c55116376624e4f967caec5)"} 43!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) 44!15 = !DISubroutineType(types: !16) 45!16 = !{null} 46!17 = !{!18, !20} 47!18 = !DILocalVariable(name: "x", scope: !14, file: !1, line: 5, type: !19) 48!19 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 49!20 = !DILocalVariable(name: "y", scope: !14, file: !1, line: 5, type: !19) 50!21 = !DILocation(line: 5, column: 3, scope: !14) 51!22 = !DILocation(line: 0, scope: !14) 52!23 = !DILocation(line: 5, column: 10, scope: !14) 53!24 = !{!25, !25, i64 0} 54!25 = !{!"int", !26, i64 0} 55!26 = !{!"omnipotent char", !27, i64 0} 56!27 = !{!"Simple C++ TBAA"} 57!28 = !DILocation(line: 6, column: 3, scope: !14) 58!29 = !DILocation(line: 7, column: 3, scope: !14) 59!30 = !DILocation(line: 8, column: 1, scope: !14) 60