| blob | edbcdbeb8516cd0a76e93e8134164c90fba78fc0 |
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-mapping-offset-dynamic=ifunc -hwasan-with-frame-record=0 -S | FileCheck %s --check-prefixes=DYNAMIC-SHADOW
6 ; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset=0 -hwasan-with-frame-record=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 = "riscv64-unknown-linux"
11 declare void @use32(ptr)
13 ;.
14 ; DYNAMIC-SHADOW: @llvm.used = appending global [1 x ptr] [ptr @hwasan.module_ctor], section "llvm.metadata"
15 ; DYNAMIC-SHADOW: @llvm.global_ctors = 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 = external hidden constant [0 x i8]
17 ; DYNAMIC-SHADOW: @__stop_hwasan_globals = external hidden constant [0 x i8]
18 ; DYNAMIC-SHADOW: @hwasan.note = 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($hwasan.module_ctor), align 4
19 ; DYNAMIC-SHADOW: @hwasan.dummy.global = private constant [0 x i8] zeroinitializer, section "hwasan_globals", comdat($hwasan.module_ctor), !associated [[META0:![0-9]+]]
20 ; DYNAMIC-SHADOW: @__hwasan_tls = external thread_local(initialexec) global i64
21 ; DYNAMIC-SHADOW: @llvm.compiler.used = appending global [3 x ptr] [ptr @hwasan.note, ptr @hwasan.dummy.global, ptr @__hwasan_tls], section "llvm.metadata"
22 ; DYNAMIC-SHADOW: @__hwasan_shadow = external global [0 x i8]
23 ;.
24 ; ZERO-BASED-SHADOW: @llvm.used = appending global [1 x ptr] [ptr @hwasan.module_ctor], section "llvm.metadata"
25 ; ZERO-BASED-SHADOW: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @hwasan.module_ctor, ptr @hwasan.module_ctor }]
26 ; ZERO-BASED-SHADOW: @__start_hwasan_globals = external hidden constant [0 x i8]
27 ; ZERO-BASED-SHADOW: @__stop_hwasan_globals = external hidden constant [0 x i8]
28 ; ZERO-BASED-SHADOW: @hwasan.note = 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($hwasan.module_ctor), align 4
29 ; ZERO-BASED-SHADOW: @hwasan.dummy.global = private constant [0 x i8] zeroinitializer, section "hwasan_globals", comdat($hwasan.module_ctor), !associated [[META0:![0-9]+]]
30 ; ZERO-BASED-SHADOW: @__hwasan_tls = external thread_local(initialexec) global i64
31 ; ZERO-BASED-SHADOW: @llvm.compiler.used = appending global [3 x ptr] [ptr @hwasan.note, ptr @hwasan.dummy.global, ptr @__hwasan_tls], section "llvm.metadata"
32 ; ZERO-BASED-SHADOW: @__hwasan_shadow = external global [0 x i8]
33 ;.
34 define void @test_alloca() sanitize_hwaddress !dbg !15 {
35 ; DYNAMIC-SHADOW-LABEL: define void @test_alloca
36 ; DYNAMIC-SHADOW-SAME: () #[[ATTR0:[0-9]+]] personality ptr @__hwasan_personality_thunk !dbg [[DBG8:![0-9]+]] {
37 ; DYNAMIC-SHADOW-NEXT: entry:
38 ; DYNAMIC-SHADOW-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
39 ; DYNAMIC-SHADOW-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
40 ; DYNAMIC-SHADOW-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
41 ; DYNAMIC-SHADOW-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
42 ; DYNAMIC-SHADOW-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
43 ; DYNAMIC-SHADOW-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
44 ; DYNAMIC-SHADOW-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
45 ; DYNAMIC-SHADOW-NEXT: #dbg_value(!DIArgList(ptr [[X]], ptr [[X]]), [[META11:![0-9]+]], !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), [[META13:![0-9]+]])
46 ; DYNAMIC-SHADOW-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0, !dbg [[DBG14:![0-9]+]]
47 ; DYNAMIC-SHADOW-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
48 ; DYNAMIC-SHADOW-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935, !dbg [[DBG14]]
49 ; DYNAMIC-SHADOW-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56, !dbg [[DBG14]]
50 ; DYNAMIC-SHADOW-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]], !dbg [[DBG14]]
51 ; DYNAMIC-SHADOW-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr, !dbg [[DBG14]]
52 ; DYNAMIC-SHADOW-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8, !dbg [[DBG14]]
53 ; DYNAMIC-SHADOW-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
54 ; DYNAMIC-SHADOW-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935, !dbg [[DBG14]]
55 ; DYNAMIC-SHADOW-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4, !dbg [[DBG14]]
56 ; DYNAMIC-SHADOW-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]], !dbg [[DBG14]]
57 ; DYNAMIC-SHADOW-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP12]], i32 0, !dbg [[DBG14]]
58 ; DYNAMIC-SHADOW-NEXT: store i8 4, ptr [[TMP13]], align 1, !dbg [[DBG14]]
59 ; DYNAMIC-SHADOW-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[X]], i32 15, !dbg [[DBG14]]
60 ; DYNAMIC-SHADOW-NEXT: store i8 [[TMP8]], ptr [[TMP14]], align 1, !dbg [[DBG14]]
61 ; DYNAMIC-SHADOW-NEXT: call void @use32(ptr nonnull [[X_HWASAN]]), !dbg [[DBG14]]
62 ; DYNAMIC-SHADOW-NEXT: [[TMP15:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8, !dbg [[DBG15:![0-9]+]]
63 ; DYNAMIC-SHADOW-NEXT: [[TMP16:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG15]]
64 ; DYNAMIC-SHADOW-NEXT: [[TMP17:%.*]] = and i64 [[TMP16]], 72057594037927935, !dbg [[DBG15]]
65 ; DYNAMIC-SHADOW-NEXT: [[TMP18:%.*]] = lshr i64 [[TMP17]], 4, !dbg [[DBG15]]
66 ; DYNAMIC-SHADOW-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP18]], !dbg [[DBG15]]
67 ; DYNAMIC-SHADOW-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP19]], i8 [[TMP15]], i64 1, i1 false), !dbg [[DBG15]]
68 ; DYNAMIC-SHADOW-NEXT: ret void, !dbg [[DBG15]]
69 ;
70 ; ZERO-BASED-SHADOW-LABEL: define void @test_alloca
71 ; ZERO-BASED-SHADOW-SAME: () #[[ATTR0:[0-9]+]] personality ptr @__hwasan_personality_thunk !dbg [[DBG8:![0-9]+]] {
72 ; ZERO-BASED-SHADOW-NEXT: entry:
73 ; ZERO-BASED-SHADOW-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)
74 ; ZERO-BASED-SHADOW-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
75 ; ZERO-BASED-SHADOW-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
76 ; ZERO-BASED-SHADOW-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
77 ; ZERO-BASED-SHADOW-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
78 ; ZERO-BASED-SHADOW-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
79 ; ZERO-BASED-SHADOW-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
80 ; ZERO-BASED-SHADOW-NEXT: #dbg_value(!DIArgList(ptr [[X]], ptr [[X]]), [[META11:![0-9]+]], !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), [[META13:![0-9]+]])
81 ; ZERO-BASED-SHADOW-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0, !dbg [[DBG14:![0-9]+]]
82 ; ZERO-BASED-SHADOW-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
83 ; ZERO-BASED-SHADOW-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935, !dbg [[DBG14]]
84 ; ZERO-BASED-SHADOW-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56, !dbg [[DBG14]]
85 ; ZERO-BASED-SHADOW-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]], !dbg [[DBG14]]
86 ; ZERO-BASED-SHADOW-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr, !dbg [[DBG14]]
87 ; ZERO-BASED-SHADOW-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8, !dbg [[DBG14]]
88 ; ZERO-BASED-SHADOW-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG14]]
89 ; ZERO-BASED-SHADOW-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935, !dbg [[DBG14]]
90 ; ZERO-BASED-SHADOW-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4, !dbg [[DBG14]]
91 ; ZERO-BASED-SHADOW-NEXT: [[TMP12:%.*]] = inttoptr i64 [[TMP11]] to ptr, !dbg [[DBG14]]
92 ; ZERO-BASED-SHADOW-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP12]], i32 0, !dbg [[DBG14]]
93 ; ZERO-BASED-SHADOW-NEXT: store i8 4, ptr [[TMP13]], align 1, !dbg [[DBG14]]
94 ; ZERO-BASED-SHADOW-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[X]], i32 15, !dbg [[DBG14]]
95 ; ZERO-BASED-SHADOW-NEXT: store i8 [[TMP8]], ptr [[TMP14]], align 1, !dbg [[DBG14]]
96 ; ZERO-BASED-SHADOW-NEXT: call void @use32(ptr nonnull [[X_HWASAN]]), !dbg [[DBG14]]
97 ; ZERO-BASED-SHADOW-NEXT: [[TMP15:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8, !dbg [[DBG15:![0-9]+]]
98 ; ZERO-BASED-SHADOW-NEXT: [[TMP16:%.*]] = ptrtoint ptr [[X]] to i64, !dbg [[DBG15]]
99 ; ZERO-BASED-SHADOW-NEXT: [[TMP17:%.*]] = and i64 [[TMP16]], 72057594037927935, !dbg [[DBG15]]
100 ; ZERO-BASED-SHADOW-NEXT: [[TMP18:%.*]] = lshr i64 [[TMP17]], 4, !dbg [[DBG15]]
101 ; ZERO-BASED-SHADOW-NEXT: [[TMP19:%.*]] = inttoptr i64 [[TMP18]] to ptr, !dbg [[DBG15]]
102 ; ZERO-BASED-SHADOW-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP19]], i8 [[TMP15]], i64 1, i1 false), !dbg [[DBG15]]
103 ; ZERO-BASED-SHADOW-NEXT: ret void, !dbg [[DBG15]]
104 ;
105 entry:
106 %x = alloca i32, align 4
107 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
108 call void @use32(ptr nonnull %x), !dbg !23
109 ret void, !dbg !24
110 }
112 declare void @llvm.dbg.value(metadata, metadata, metadata)
114 !llvm.dbg.cu = !{!0}
115 !llvm.module.flags = !{!3, !4}
116 !llvm.ident = !{!14}
118 !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)
119 !1 = !DIFile(filename: "alloca.cpp", directory: "/")
120 !2 = !{}
121 !3 = !{i32 7, !"Dwarf Version", i32 4}
122 !4 = !{i32 2, !"Debug Info Version", i32 3}
123 !14 = !{!"clang version 13.0.0"}
124 !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)
125 !16 = !DISubroutineType(types: !17)
126 !17 = !{null}
127 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
128 !20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
129 !21 = !DILocation(line: 0, scope: !15)
130 !22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 5, type: !20)
131 !23 = !DILocation(line: 7, column: 5, scope: !15)
132 !24 = !DILocation(line: 8, column: 1, scope: !15)
133 ;.
134 ; DYNAMIC-SHADOW: attributes #[[ATTR0]] = { sanitize_hwaddress }
135 ; DYNAMIC-SHADOW: attributes #[[ATTR1:[0-9]+]] = { nounwind }
136 ; DYNAMIC-SHADOW: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
137 ; DYNAMIC-SHADOW: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
138 ;.
139 ; ZERO-BASED-SHADOW: attributes #[[ATTR0]] = { sanitize_hwaddress }
140 ; ZERO-BASED-SHADOW: attributes #[[ATTR1:[0-9]+]] = { nounwind }
141 ; ZERO-BASED-SHADOW: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
142 ; ZERO-BASED-SHADOW: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
143 ;.
144 ; DYNAMIC-SHADOW: [[META0]] = !{ptr @hwasan.note}
145 ; DYNAMIC-SHADOW: [[META1:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META2:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META3:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
146 ; DYNAMIC-SHADOW: [[META2]] = !DIFile(filename: "alloca.cpp", directory: {{.*}})
147 ; DYNAMIC-SHADOW: [[META3]] = !{}
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]+]] = !{i32 4, !"nosanitize_hwaddress", i32 1}
151 ; DYNAMIC-SHADOW: [[META7:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
152 ; DYNAMIC-SHADOW: [[DBG8]] = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: [[META2]], file: [[META2]], line: 4, type: [[META9:![0-9]+]], scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META1]], retainedNodes: [[META3]])
153 ; DYNAMIC-SHADOW: [[META9]] = !DISubroutineType(types: [[META10:![0-9]+]])
154 ; DYNAMIC-SHADOW: [[META10]] = !{null}
155 ; DYNAMIC-SHADOW: [[META11]] = !DILocalVariable(name: "x", scope: [[DBG8]], file: [[META2]], line: 5, type: [[META12:![0-9]+]])
156 ; DYNAMIC-SHADOW: [[META12]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
157 ; DYNAMIC-SHADOW: [[META13]] = !DILocation(line: 0, scope: [[DBG8]])
158 ; DYNAMIC-SHADOW: [[DBG14]] = !DILocation(line: 7, column: 5, scope: [[DBG8]])
159 ; DYNAMIC-SHADOW: [[DBG15]] = !DILocation(line: 8, column: 1, scope: [[DBG8]])
160 ;.
161 ; ZERO-BASED-SHADOW: [[META0]] = !{ptr @hwasan.note}
162 ; ZERO-BASED-SHADOW: [[META1:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META2:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META3:![0-9]+]], splitDebugInlining: false, nameTableKind: None)
163 ; ZERO-BASED-SHADOW: [[META2]] = !DIFile(filename: "alloca.cpp", directory: {{.*}})
164 ; ZERO-BASED-SHADOW: [[META3]] = !{}
165 ; ZERO-BASED-SHADOW: [[META4:![0-9]+]] = !{i32 7, !"Dwarf Version", i32 4}
166 ; ZERO-BASED-SHADOW: [[META5:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
167 ; ZERO-BASED-SHADOW: [[META6:![0-9]+]] = !{i32 4, !"nosanitize_hwaddress", i32 1}
168 ; ZERO-BASED-SHADOW: [[META7:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
169 ; ZERO-BASED-SHADOW: [[DBG8]] = distinct !DISubprogram(name: "test_alloca", linkageName: "_Z11test_allocav", scope: [[META2]], file: [[META2]], line: 4, type: [[META9:![0-9]+]], scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META1]], retainedNodes: [[META3]])
170 ; ZERO-BASED-SHADOW: [[META9]] = !DISubroutineType(types: [[META10:![0-9]+]])
171 ; ZERO-BASED-SHADOW: [[META10]] = !{null}
172 ; ZERO-BASED-SHADOW: [[META11]] = !DILocalVariable(name: "x", scope: [[DBG8]], file: [[META2]], line: 5, type: [[META12:![0-9]+]])
173 ; ZERO-BASED-SHADOW: [[META12]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
174 ; ZERO-BASED-SHADOW: [[META13]] = !DILocation(line: 0, scope: [[DBG8]])
175 ; ZERO-BASED-SHADOW: [[DBG14]] = !DILocation(line: 7, column: 5, scope: [[DBG8]])
176 ; ZERO-BASED-SHADOW: [[DBG15]] = !DILocation(line: 8, column: 1, scope: [[DBG8]])
177 ;.