1 ; RUN: opt -passes=hwasan -S -o - %s | FileCheck %s
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 -passes=hwasan -S -o - %s | FileCheck %s
8 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
9 target triple = "aarch64--linux-android"
11 declare void @g(ptr, ptr, ptr, ptr, ptr, ptr)
13 define void @f() sanitize_hwaddress !dbg !6 {
15 %nodebug0 = alloca ptr
16 %nodebug1 = alloca ptr
17 %nodebug2 = alloca ptr
18 %nodebug3 = alloca ptr
20 ; CHECK: #dbg_declare{{.*}} !DIExpression(DW_OP_LLVM_tag_offset, 32)
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, 32)
23 call void @llvm.dbg.declare(metadata ptr %a, metadata !12, metadata !DIExpression()), !dbg !14
25 ; CHECK: #dbg_declare{{.*}} !DIExpression(DW_OP_LLVM_tag_offset, 96)
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, 96)
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)
33 declare void @llvm.dbg.declare(metadata, metadata, metadata)
36 !llvm.module.flags = !{!3, !4}
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: "/")
42 !3 = !{i32 2, !"Dwarf Version", i32 4}
43 !4 = !{i32 2, !"Debug Info Version", i32 3}
45 !6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags:
46 DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
47 !7 = !DISubroutineType(types: !8)
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)