| ; RUN: opt < %s -stack-tagging -S -o - | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-android" |
| |
| declare void @use32(i32*) |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone speculatable |
| |
| ; Debug intrinsics use the new alloca directly, not through a GEP or a tagp. |
| define void @DbgIntrinsics() sanitize_memtag { |
| entry: |
| %x = alloca i32, align 4 |
| call void @llvm.dbg.declare(metadata i32* %x, metadata !6, metadata !DIExpression()), !dbg !10 |
| store i32 42, i32* %x, align 4 |
| call void @use32(i32* %x) |
| ret void |
| } |
| |
| ; CHECK-LABEL: define void @DbgIntrinsics( |
| ; CHECK: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16 |
| ; CHECK: call void @llvm.dbg.declare(metadata { i32, [12 x i8] }* [[X]], |
| |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!8, !9} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) |
| !1 = !DIFile(filename: "stack-tagging.cc", directory: "/tmp") |
| !2 = !{} |
| !3 = distinct !DISubprogram(name: "DbgIntrinsics", linkageName: "DbgIntrinsics", scope: !1, file: !1, line: 3, type: !4, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) |
| !4 = !DISubroutineType(types: !5) |
| !5 = !{null} |
| !6 = !DILocalVariable(name: "x", scope: !3, file: !1, line: 4, type: !7) |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !{i32 2, !"Dwarf Version", i32 4} |
| !9 = !{i32 2, !"Debug Info Version", i32 3} |
| !10 = !DILocation(line: 1, column: 2, scope: !3) |