1; RUN: opt < %s -aarch64-stack-tagging -S -o - | FileCheck %s
2
3target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
4target triple = "aarch64--linux-android"
5
6declare void @use32(i32*)
7declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone speculatable
8declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone speculatable
9
10; Debug intrinsics use the new alloca directly, not through a GEP or a tagp.
11define void @DbgIntrinsics() sanitize_memtag {
12entry:
13  %x = alloca i32, align 4
14  call void @llvm.dbg.declare(metadata i32* %x, metadata !6, metadata !DIExpression()), !dbg !10
15  call void @llvm.dbg.value(metadata !DIArgList(i32* %x, i32* %x), metadata !6, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus)), !dbg !10
16  store i32 42, i32* %x, align 4
17  call void @use32(i32* %x)
18  ret void
19}
20
21; CHECK-LABEL: define void @DbgIntrinsics(
22; CHECK:  [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
23; CHECK:  call void @llvm.dbg.declare(metadata { i32, [12 x i8] }* [[X]],
24; CHECK:  call void @llvm.dbg.value(metadata !DIArgList({ i32, [12 x i8] }* [[X]], { i32, [12 x i8] }* [[X]])
25
26
27!llvm.dbg.cu = !{!0}
28!llvm.module.flags = !{!8, !9}
29
30!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)
31!1 = !DIFile(filename: "stack-tagging.cc", directory: "/tmp")
32!2 = !{}
33!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)
34!4 = !DISubroutineType(types: !5)
35!5 = !{null}
36!6 = !DILocalVariable(name: "x", scope: !3, file: !1, line: 4, type: !7)
37!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
38!8 = !{i32 2, !"Dwarf Version", i32 4}
39!9 = !{i32 2, !"Debug Info Version", i32 3}
40!10 = !DILocation(line: 1, column: 2, scope: !3)
41