1 ; RUN: opt < %s -stack-tagging -S -o - | FileCheck %s
3 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
4 target triple = "aarch64--linux-android"
6 declare void @use32(i32*)
7 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone speculatable
9 ; Debug intrinsics use the new alloca directly, not through a GEP or a tagp.
10 define void @DbgIntrinsics() sanitize_memtag {
12 %x = alloca i32, align 4
13 call void @llvm.dbg.declare(metadata i32* %x, metadata !6, metadata !DIExpression()), !dbg !10
14 store i32 42, i32* %x, align 4
15 call void @use32(i32* %x)
19 ; CHECK-LABEL: define void @DbgIntrinsics(
20 ; CHECK: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
21 ; CHECK: call void @llvm.dbg.declare(metadata { i32, [12 x i8] }* [[X]],
25 !llvm.module.flags = !{!8, !9}
27 !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)
28 !1 = !DIFile(filename: "stack-tagging.cc", directory: "/tmp")
30 !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)
31 !4 = !DISubroutineType(types: !5)
33 !6 = !DILocalVariable(name: "x", scope: !3, file: !1, line: 4, type: !7)
34 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
35 !8 = !{i32 2, !"Dwarf Version", i32 4}
36 !9 = !{i32 2, !"Debug Info Version", i32 3}
37 !10 = !DILocation(line: 1, column: 2, scope: !3)