xref: /llvm-project/llvm/test/CodeGen/AArch64/stack-tagging-dbg-declare-tag-offset.ll (revision 60af1548e138ecd8b899f23bdf91ee294d777239) 
1; RUN: opt -aarch64-stack-tagging -stack-tagging-record-stack-history=instr -S -o - %s | FileCheck %s
2
3;; Also test with RemoveDIs to verify that debug intrinsics immediately
4;; preceding an alloca (or other instruction of interest to stack tagging) will
5;; be correctly processed.
6; RUN: opt --try-experimental-debuginfo-iterators -aarch64-stack-tagging -stack-tagging-record-stack-history=instr -S -o - %s | FileCheck %s
7
8target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
9target triple = "aarch64--linux-android35"
10
11declare void @g(ptr, ptr, ptr, ptr, ptr, ptr)
12
13define void @f() sanitize_memtag !dbg !6 {
14entry:
15  %nodebug0 = alloca ptr
16  %nodebug1 = alloca ptr
17  %nodebug2 = alloca ptr
18  %nodebug3 = alloca ptr
19  %a = alloca ptr
20  ; CHECK: #dbg_declare{{.*}} !DIExpression(DW_OP_LLVM_tag_offset, 4)
21  call void @llvm.dbg.declare(metadata ptr %a, metadata !12, metadata !DIExpression()), !dbg !14
22  ; CHECK: #dbg_declare{{.*}} !DIExpression(DW_OP_LLVM_tag_offset, 4)
23  call void @llvm.dbg.declare(metadata ptr %a, metadata !12, metadata !DIExpression()), !dbg !14
24  %b = alloca ptr
25  ; CHECK: #dbg_declare{{.*}} !DIExpression(DW_OP_LLVM_tag_offset, 5)
26  call void @llvm.dbg.declare(metadata ptr %b, metadata !13, metadata !DIExpression()), !dbg !14
27  ; CHECK: #dbg_declare{{.*}} !DIExpression(DW_OP_LLVM_tag_offset, 5)
28  call void @llvm.dbg.declare(metadata ptr %b, metadata !13, metadata !DIExpression()), !dbg !14
29  call void @g(ptr %nodebug0, ptr %nodebug1, ptr %nodebug2, ptr %nodebug3, ptr %a, ptr %b)
30  ret void, !dbg !15
31}
32
33declare void @llvm.dbg.declare(metadata, metadata, metadata)
34
35!llvm.dbg.cu = !{!0}
36!llvm.module.flags = !{!3, !4}
37!llvm.ident = !{!5}
38
39!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
40!1 = !DIFile(filename: "x.c", directory: "/")
41!2 = !{}
42!3 = !{i32 2, !"Dwarf Version", i32 4}
43!4 = !{i32 2, !"Debug Info Version", i32 3}
44!5 = !{!"clang"}
45!6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags:
46DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
47!7 = !DISubroutineType(types: !8)
48!8 = !{null, !9}
49!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
50!10 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
51!11 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
52!12 = !DILocalVariable(name: "a", scope: !6, file: !1, line: 1, type: !9)
53!13 = !DILocalVariable(name: "b", scope: !6, file: !1, line: 1, type: !9)
54!14 = !DILocation(line: 1, column: 29, scope: !6)
55!15 = !DILocation(line: 1, column: 37, scope: !6)
56