| blob | 7707c90506e3e69ea29a0d9cb538d999b8fe4114 |
1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --version 2
2 ; Test alloca instrumentation. Command line includes check-globals so that
3 ; changes to debug-info are detectable.
4 ;
5 ; RUN: opt < %s -passes=hwasan -hwasan-with-ifunc=1 -S | FileCheck %s --check-prefixes=DYNAMIC-SHADOW
6 ; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset=0 -S | FileCheck %s --check-prefixes=ZERO-BASED-SHADOW
8 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
9 target triple = "aarch64--linux-android10000"
11 declare void @use32(ptr)
13 ;.
14 ; DYNAMIC-SHADOW: @[[LLVM_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x ptr] [ptr @hwasan.module_ctor], section "llvm.metadata"
15 ; DYNAMIC-SHADOW: @[[LLVM_GLOBAL_CTORS:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @hwasan.module_ctor, ptr @hwasan.module_ctor }]
16 ; DYNAMIC-SHADOW: @[[__START_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
17 ; DYNAMIC-SHADOW: @[[__STOP_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
18 ; DYNAMIC-SHADOW: @[[HWASAN_NOTE:[a-zA-Z0-9_$"\\.-]+]] = private constant { i32, i32, i32, [8 x i8], i32, i32 } { i32 8, i32 8, i32 3, [8 x i8] c"LLVM\00\00\00\00", i32 trunc (i64 sub (i64 ptrtoint (ptr @__start_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr @__stop_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32) }, section ".note.hwasan.globals", comdat($hwasan.module_ctor), align 4
19 ; DYNAMIC-SHADOW: @[[HWASAN_DUMMY_GLOBAL:[a-zA-Z0-9_$"\\.-]+]] = private constant [0 x i8] zeroinitializer, section "hwasan_globals", comdat($hwasan.module_ctor), !associated !0
20 ; DYNAMIC-SHADOW: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [2 x ptr] [ptr @hwasan.note, ptr @hwasan.dummy.global], section "llvm.metadata"
21 ; DYNAMIC-SHADOW: @[[__HWASAN_SHADOW:[a-zA-Z0-9_$"\\.-]+]] = external global [0 x i8]
22 ;.
23 ; ZERO-BASED-SHADOW: @[[LLVM_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x ptr] [ptr @hwasan.module_ctor], section "llvm.metadata"
24 ; ZERO-BASED-SHADOW: @[[LLVM_GLOBAL_CTORS:[a-zA-Z0-9_$"\\.-]+]] = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @hwasan.module_ctor, ptr @hwasan.module_ctor }]
25 ; ZERO-BASED-SHADOW: @[[__START_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
26 ; ZERO-BASED-SHADOW: @[[__STOP_HWASAN_GLOBALS:[a-zA-Z0-9_$"\\.-]+]] = external hidden constant [0 x i8]
27 ; ZERO-BASED-SHADOW: @[[HWASAN_NOTE:[a-zA-Z0-9_$"\\.-]+]] = private constant { i32, i32, i32, [8 x i8], i32, i32 } { i32 8, i32 8, i32 3, [8 x i8] c"LLVM\00\00\00\00", i32 trunc (i64 sub (i64 ptrtoint (ptr @__start_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr @__stop_hwasan_globals to i64), i64 ptrtoint (ptr @hwasan.note to i64)) to i32) }, section ".note.hwasan.globals", comdat($hwasan.module_ctor), align 4
28 ; ZERO-BASED-SHADOW: @[[HWASAN_DUMMY_GLOBAL:[a-zA-Z0-9_$"\\.-]+]] = private constant [0 x i8] zeroinitializer, section "hwasan_globals", comdat($hwasan.module_ctor), !associated !0
29 ; ZERO-BASED-SHADOW: @[[LLVM_COMPILER_USED:[a-zA-Z0-9_$"\\.-]+]] = appending global [2 x ptr] [ptr @hwasan.note, ptr @hwasan.dummy.global], section "llvm.metadata"
30 ; ZERO-BASED-SHADOW: @[[__HWASAN_SHADOW:[a-zA-Z0-9_$"\\.-]+]] = external global [0 x i8]
31 ;.
32 define void @test_alloca() sanitize_hwaddress !dbg !15 {
33 ; DYNAMIC-SHADOW-LABEL: define void @test_alloca
34 ; DYNAMIC-SHADOW-SAME: () #[[ATTR0:[0-9]+]] personality ptr @__hwasan_personality_thunk !dbg [[DBG7:![0-9]+]] {
35 ; DYNAMIC-SHADOW-NEXT: entry:
36 ; DYNAMIC-SHADOW-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
37 ; DYNAMIC-SHADOW-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
38 ; DYNAMIC-SHADOW-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
39 ; DYNAMIC-SHADOW-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
40 ; DYNAMIC-SHADOW-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
41 ; DYNAMIC-SHADOW-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
42 ; DYNAMIC-SHADOW-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
43 ; DYNAMIC-SHADOW-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0, !dbg [[DBG10:![0-9]+]]
44 ; DYNAMIC-SHADOW-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
45 ; DYNAMIC-SHADOW-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935, !dbg [[DBG10]]
46 ; DYNAMIC-SHADOW-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56, !dbg [[DBG10]]
47 ; DYNAMIC-SHADOW-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]], !dbg [[DBG10]]
48 ; DYNAMIC-SHADOW-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr, !dbg [[DBG10]]
49 ; DYNAMIC-SHADOW-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8, !dbg [[DBG10]]
50 ; DYNAMIC-SHADOW-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
51 ; DYNAMIC-SHADOW-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935, !dbg [[DBG10]]
52 ; DYNAMIC-SHADOW-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4, !dbg [[DBG10]]
53 ; DYNAMIC-SHADOW-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]], !dbg [[DBG10]]
54 ; DYNAMIC-SHADOW-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP12]], i32 0, !dbg [[DBG10]]
55 ; DYNAMIC-SHADOW-NEXT: store i8 4, ptr [[TMP13]], align 1, !dbg [[DBG10]]
56 ; DYNAMIC-SHADOW-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[X]], i32 15, !dbg [[DBG10]]
57 ; DYNAMIC-SHADOW-NEXT: store i8 [[TMP8]], ptr [[TMP14]], align 1, !dbg [[DBG10]]
58 ; DYNAMIC-SHADOW-NEXT: call void @llvm.dbg.value(metadata !DIArgList(ptr [[X]], ptr [[X]]), metadata [[META11:![0-9]+]], metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_tag_offset, 0, DW_OP_LLVM_arg, 1, DW_OP_LLVM_tag_offset, 0, DW_OP_plus, DW_OP_deref)), !dbg [[DBG13:![0-9]+]]
59 ; DYNAMIC-SHADOW-NEXT: call void @use32(ptr nonnull [[X_HWASAN]]), !dbg [[DBG10]]
60 ; DYNAMIC-SHADOW-NEXT: [[TMP15:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8, !dbg [[DBG14:![0-9]+]]
61 ; DYNAMIC-SHADOW-NEXT: [[TMP16:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
62 ; DYNAMIC-SHADOW-NEXT: [[TMP17:%.*]] = and i64 [[TMP16]], 72057594037927935, !dbg [[DBG14]]
63 ; DYNAMIC-SHADOW-NEXT: [[TMP18:%.*]] = lshr i64 [[TMP17]], 4, !dbg [[DBG14]]
64 ; DYNAMIC-SHADOW-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP18]], !dbg [[DBG14]]
65 ; DYNAMIC-SHADOW-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP19]], i8 [[TMP15]], i64 1, i1 false), !dbg [[DBG14]]
66 ; DYNAMIC-SHADOW-NEXT: ret void, !dbg [[DBG14]]
67 ;
68 ; ZERO-BASED-SHADOW-LABEL: define void @test_alloca
69 ; ZERO-BASED-SHADOW-SAME: () #[[ATTR0:[0-9]+]] personality ptr @__hwasan_personality_thunk !dbg [[DBG7:![0-9]+]] {
70 ; ZERO-BASED-SHADOW-NEXT: entry:
71 ; ZERO-BASED-SHADOW-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)
72 ; ZERO-BASED-SHADOW-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
73 ; ZERO-BASED-SHADOW-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
74 ; ZERO-BASED-SHADOW-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
75 ; ZERO-BASED-SHADOW-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
76 ; ZERO-BASED-SHADOW-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
77 ; ZERO-BASED-SHADOW-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
78 ; ZERO-BASED-SHADOW-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0, !dbg [[DBG10:![0-9]+]]
79 ; ZERO-BASED-SHADOW-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
80 ; ZERO-BASED-SHADOW-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935, !dbg [[DBG10]]
81 ; ZERO-BASED-SHADOW-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56, !dbg [[DBG10]]
82 ; ZERO-BASED-SHADOW-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]], !dbg [[DBG10]]
83 ; ZERO-BASED-SHADOW-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr, !dbg [[DBG10]]
84 ; ZERO-BASED-SHADOW-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8, !dbg [[DBG10]]
85 ; ZERO-BASED-SHADOW-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG10]]
86 ; ZERO-BASED-SHADOW-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935, !dbg [[DBG10]]
87 ; ZERO-BASED-SHADOW-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4, !dbg [[DBG10]]
88 ; ZERO-BASED-SHADOW-NEXT: [[TMP12:%.*]] = inttoptr i64 [[TMP11]] to ptr, !dbg [[DBG10]]
89 ; ZERO-BASED-SHADOW-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP12]], i32 0, !dbg [[DBG10]]
90 ; ZERO-BASED-SHADOW-NEXT: store i8 4, ptr [[TMP13]], align 1, !dbg [[DBG10]]
91 ; ZERO-BASED-SHADOW-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[X]], i32 15, !dbg [[DBG10]]
92 ; ZERO-BASED-SHADOW-NEXT: store i8 [[TMP8]], ptr [[TMP14]], align 1, !dbg [[DBG10]]
93 ; ZERO-BASED-SHADOW-NEXT: call void @llvm.dbg.value(metadata !DIArgList(ptr [[X]], ptr [[X]]), metadata [[META11:![0-9]+]], metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_tag_offset, 0, DW_OP_LLVM_arg, 1, DW_OP_LLVM_tag_offset, 0, DW_OP_plus, DW_OP_deref)), !dbg [[DBG13:![0-9]+]]
94 ; ZERO-BASED-SHADOW-NEXT: call void @use32(ptr nonnull [[X_HWASAN]]), !dbg [[DBG10]]
95 ; ZERO-BASED-SHADOW-NEXT: [[TMP15:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8, !dbg [[DBG14:![0-9]+]]
96 ; ZERO-BASED-SHADOW-NEXT: [[TMP16:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
97 ; ZERO-BASED-SHADOW-NEXT: [[TMP17:%.*]] = and i64 [[TMP16]], 72057594037927935, !dbg [[DBG14]]
98 ; ZERO-BASED-SHADOW-NEXT: [[TMP18:%.*]] = lshr i64 [[TMP17]], 4, !dbg [[DBG14]]
99 ; ZERO-BASED-SHADOW-NEXT: [[TMP19:%.*]] = inttoptr i64 [[TMP18]] to ptr, !dbg [[DBG14]]
100 ; ZERO-BASED-SHADOW-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP19]], i8 [[TMP15]], i64 1, i1 false), !dbg [[DBG14]]
101 ; ZERO-BASED-SHADOW-NEXT: ret void, !dbg [[DBG14]]
102 ;
103 entry:
104 %x = alloca i32, align 4
105 call void @llvm.dbg.value(metadata !DIArgList(ptr %x, ptr %x), metadata !22, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_deref)), !dbg !21
106 call void @use32(ptr nonnull %x), !dbg !23
107 ret void, !dbg !24
108 }
110 declare void @llvm.dbg.value(metadata, metadata, metadata)
112 !llvm.dbg.cu = !{!0}
113 !llvm.module.flags = !{!3, !4}
114 !llvm.ident = !{!14}
116 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
117 !1 = !DIFile(filename: "alloca.cpp", directory: "/")
118 !2 = !{}
119 !3 = !{i32 7, !"Dwarf Version", i32 4}
120 !4 = !{i32 2, !"Debug Info Version", i32 3}
121 !14 = !{!"clang version 13.0.0"}
122 !15 = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: !1, file: !1, line: 4, type: !16, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
123 !16 = !DISubroutineType(types: !17)
124 !17 = !{null}
125 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
126 !20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
127 !21 = !DILocation(line: 0, scope: !15)
128 !22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 5, type: !20)
129 !23 = !DILocation(line: 7, column: 5, scope: !15)
130 !24 = !DILocation(line: 8, column: 1, scope: !15)
131 ;.
132 ; DYNAMIC-SHADOW: attributes #[[ATTR0]] = { sanitize_hwaddress }
133 ; DYNAMIC-SHADOW: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
134 ; DYNAMIC-SHADOW: attributes #[[ATTR2:[0-9]+]] = { nounwind }
135 ; DYNAMIC-SHADOW: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
136 ; DYNAMIC-SHADOW: attributes #[[ATTR4:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
137 ;.
138 ; ZERO-BASED-SHADOW: attributes #[[ATTR0]] = { sanitize_hwaddress }
139 ; ZERO-BASED-SHADOW: attributes #[[ATTR1:[0-9]+]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
140 ; ZERO-BASED-SHADOW: attributes #[[ATTR2:[0-9]+]] = { nounwind }
141 ; ZERO-BASED-SHADOW: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
142 ; ZERO-BASED-SHADOW: attributes #[[ATTR4:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
143 ;.
144 ; DYNAMIC-SHADOW: [[META0:![0-9]+]] = !{ptr @hwasan.note}
145 ; DYNAMIC-SHADOW: [[META1:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !2, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, splitDebugInlining: false, nameTableKind: None)
146 ; DYNAMIC-SHADOW: [[META2:![0-9]+]] = !DIFile(filename: "alloca.cpp", directory: "/")
147 ; DYNAMIC-SHADOW: [[META3:![0-9]+]] = !{}
148 ; DYNAMIC-SHADOW: [[META4:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
149 ; DYNAMIC-SHADOW: [[META5:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
150 ; DYNAMIC-SHADOW: [[META6:![0-9]+]] = !{!"clang version 13.0.0"}
151 ; DYNAMIC-SHADOW: [[DBG7]] = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: !2, file: !2, line: 4, type: !8, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !3)
152 ; DYNAMIC-SHADOW: [[META8:![0-9]+]] = !DISubroutineType(types: !9)
153 ; DYNAMIC-SHADOW: [[META9:![0-9]+]] = !{null}
154 ; DYNAMIC-SHADOW: [[DBG10]] = !DILocation(line: 7, column: 5, scope: !7)
155 ; DYNAMIC-SHADOW: [[META11]] = !DILocalVariable(name: "x", scope: !7, file: !2, line: 5, type: !12)
156 ; DYNAMIC-SHADOW: [[META12:![0-9]+]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
157 ; DYNAMIC-SHADOW: [[DBG13]] = !DILocation(line: 0, scope: !7)
158 ; DYNAMIC-SHADOW: [[DBG14]] = !DILocation(line: 8, column: 1, scope: !7)
159 ;.
160 ; ZERO-BASED-SHADOW: [[META0:![0-9]+]] = !{ptr @hwasan.note}
161 ; ZERO-BASED-SHADOW: [[META1:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !2, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, splitDebugInlining: false, nameTableKind: None)
162 ; ZERO-BASED-SHADOW: [[META2:![0-9]+]] = !DIFile(filename: "alloca.cpp", directory: "/")
163 ; ZERO-BASED-SHADOW: [[META3:![0-9]+]] = !{}
164 ; ZERO-BASED-SHADOW: [[META4:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
165 ; ZERO-BASED-SHADOW: [[META5:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
166 ; ZERO-BASED-SHADOW: [[META6:![0-9]+]] = !{!"clang version 13.0.0"}
167 ; ZERO-BASED-SHADOW: [[DBG7]] = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: !2, file: !2, line: 4, type: !8, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !3)
168 ; ZERO-BASED-SHADOW: [[META8:![0-9]+]] = !DISubroutineType(types: !9)
169 ; ZERO-BASED-SHADOW: [[META9:![0-9]+]] = !{null}
170 ; ZERO-BASED-SHADOW: [[DBG10]] = !DILocation(line: 7, column: 5, scope: !7)
171 ; ZERO-BASED-SHADOW: [[META11]] = !DILocalVariable(name: "x", scope: !7, file: !2, line: 5, type: !12)
172 ; ZERO-BASED-SHADOW: [[META12:![0-9]+]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
173 ; ZERO-BASED-SHADOW: [[DBG13]] = !DILocation(line: 0, scope: !7)
174 ; ZERO-BASED-SHADOW: [[DBG14]] = !DILocation(line: 8, column: 1, scope: !7)
175 ;.