diff --git a/llvm/test/Instrumentation/HWAddressSanitizer/dbg-value-tag-offset-nopad.ll b/llvm/test/Instrumentation/HWAddressSanitizer/dbg-value-tag-offset-nopad.ll new file mode 100644 --- /dev/null +++ b/llvm/test/Instrumentation/HWAddressSanitizer/dbg-value-tag-offset-nopad.ll @@ -0,0 +1,61 @@ +; RUN: opt -passes=hwasan -S -o - %s | FileCheck %s + +target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" +target triple = "aarch64-unknown-linux-android24" + +define dso_local void @f() sanitize_hwaddress !dbg !14 { + %1 = alloca i128, align 4 + %2 = alloca i128, align 4 + %3 = bitcast i128* %1 to i8*, !dbg !21 + %4 = bitcast i128* %2 to i8*, !dbg !21 +; CHECK: call void @llvm.dbg.value(metadata i128 1, {{.*}}, metadata !DIExpression()) + call void @llvm.dbg.value(metadata i128 1, metadata !20, metadata !DIExpression()), !dbg !22 + store i128 1, i128* %2, align 4, !dbg !23, !tbaa !24 +; CHECK: call void @llvm.dbg.value(metadata i128* {{.*}}, metadata !DIExpression(DW_OP_LLVM_tag_offset, 0, DW_OP_deref)) + call void @llvm.dbg.value(metadata i128* %1, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !22 + call void @use(i8* nonnull %3), !dbg !28 +; CHECK: call void @llvm.dbg.value(metadata i128* {{.*}}, metadata !DIExpression(DW_OP_LLVM_tag_offset, 128, DW_OP_deref)) + call void @llvm.dbg.value(metadata i128* %2, metadata !20, metadata !DIExpression(DW_OP_deref)), !dbg !22 + call void @use(i8* nonnull %4), !dbg !29 + ret void, !dbg !30 +} + +declare !dbg !5 void @use(i8*) + +declare void @llvm.dbg.value(metadata, metadata, metadata) + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!8, !9, !10, !11, !12} +!llvm.ident = !{!13} + +!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) +!1 = !DIFile(filename: "dbg.cc", directory: "/tmp") +!2 = !{} +!3 = !{!4, !5} +!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) +!5 = !DISubprogram(name: "use", scope: !1, file: !1, line: 2, type: !6, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) +!6 = !DISubroutineType(types: !7) +!7 = !{null, !4} +!8 = !{i32 7, !"Dwarf Version", i32 4} +!9 = !{i32 2, !"Debug Info Version", i32 3} +!10 = !{i32 1, !"wchar_size", i32 4} +!11 = !{i32 7, !"PIC Level", i32 2} +!12 = !{i32 7, !"PIE Level", i32 2} +!13 = !{!"clang version 10.0.0 (git@github.com:llvm/llvm-project.git 5560dd08b99a0e8b0c55116376624e4f967caec5)"} +!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) +!15 = !DISubroutineType(types: !16) +!16 = !{null} +!17 = !{!18, !20} +!18 = !DILocalVariable(name: "x", scope: !14, file: !1, line: 5, type: !19) +!19 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!20 = !DILocalVariable(name: "y", scope: !14, file: !1, line: 5, type: !19) +!21 = !DILocation(line: 5, column: 3, scope: !14) +!22 = !DILocation(line: 0, scope: !14) +!23 = !DILocation(line: 5, column: 10, scope: !14) +!24 = !{!25, !25, i64 0} +!25 = !{!"int", !26, i64 0} +!26 = !{!"omnipotent char", !27, i64 0} +!27 = !{!"Simple C++ TBAA"} +!28 = !DILocation(line: 6, column: 3, scope: !14) +!29 = !DILocation(line: 7, column: 3, scope: !14) +!30 = !DILocation(line: 8, column: 1, scope: !14)