xref: /llvm-project/llvm/test/DebugInfo/X86/debug-ranges-offset.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898)
1; RUN: llc -filetype=obj -mtriple=x86_64-pc-linux-gnu %s -o %t
2; RUN: llvm-readobj --relocations %t | FileCheck %s
3
4; Check that we don't have any relocations in the ranges section -
5; to show that we're producing this as a relative offset to the
6; low_pc for the compile unit.
7; CHECK-NOT: .rela.debug_ranges
8
9@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @__msan_init, ptr null }]
10@str = private unnamed_addr constant [4 x i8] c"zzz\00"
11@__msan_retval_tls = external thread_local(initialexec) global [8 x i64]
12@__msan_retval_origin_tls = external thread_local(initialexec) global i32
13@__msan_param_tls = external thread_local(initialexec) global [1000 x i64]
14@__msan_param_origin_tls = external thread_local(initialexec) global [1000 x i32]
15@__msan_va_arg_tls = external thread_local(initialexec) global [1000 x i64]
16@__msan_va_arg_overflow_size_tls = external thread_local(initialexec) global i64
17@__msan_origin_tls = external thread_local(initialexec) global i32
18@__executable_start = external hidden global i32
19@_end = external hidden global i32
20
21; Function Attrs: sanitize_memory uwtable
22define void @_Z1fv() #0 !dbg !4 {
23entry:
24  %p = alloca ptr, align 8
25  %0 = ptrtoint ptr %p to i64, !dbg !19
26  %1 = and i64 %0, -70368744177672, !dbg !19
27  %2 = inttoptr i64 %1 to ptr, !dbg !19
28  store i64 -1, ptr %2, align 8, !dbg !19
29  store i64 0, ptr @__msan_param_tls, align 8, !dbg !19
30  store i64 0, ptr @__msan_retval_tls, align 8, !dbg !19
31  %call = call ptr @_Znwm(i64 4) #4, !dbg !19
32  %_msret = load i64, ptr @__msan_retval_tls, align 8, !dbg !19
33  tail call void @llvm.dbg.value(metadata ptr %call, metadata !9, metadata !DIExpression()), !dbg !19
34  %3 = inttoptr i64 %1 to ptr, !dbg !19
35  store i64 %_msret, ptr %3, align 8, !dbg !19
36  store volatile ptr %call, ptr %p, align 8, !dbg !19
37  tail call void @llvm.dbg.value(metadata ptr %p, metadata !9, metadata !DIExpression()), !dbg !19
38  %p.0.p.0. = load volatile ptr, ptr %p, align 8, !dbg !20
39  %_msld = load i64, ptr %3, align 8, !dbg !20
40  %_mscmp = icmp eq i64 %_msld, 0, !dbg !20
41  br i1 %_mscmp, label %5, label %4, !dbg !20, !prof !22
42
43; <label>:5                                       ; preds = %entry
44  call void @__msan_warning_noreturn(), !dbg !20
45  call void asm sideeffect "", ""() #3, !dbg !20
46  unreachable, !dbg !20
47
48; <label>:6                                       ; preds = %entry
49  %6 = load i32, ptr %p.0.p.0., align 4, !dbg !20, !tbaa !23
50  %7 = ptrtoint ptr %p.0.p.0. to i64, !dbg !20
51  %8 = and i64 %7, -70368744177665, !dbg !20
52  %9 = inttoptr i64 %8 to ptr, !dbg !20
53  %_msld2 = load i32, ptr %9, align 4, !dbg !20
54  %10 = icmp ne i32 %_msld2, 0, !dbg !20
55  %11 = xor i32 %_msld2, -1, !dbg !20
56  %12 = and i32 %6, %11, !dbg !20
57  %13 = icmp eq i32 %12, 0, !dbg !20
58  %_msprop_icmp = and i1 %10, %13, !dbg !20
59  br i1 %_msprop_icmp, label %14, label %15, !dbg !20, !prof !27
60
61; <label>:15                                      ; preds = %5
62  call void @__msan_warning_noreturn(), !dbg !20
63  call void asm sideeffect "", ""() #3, !dbg !20
64  unreachable, !dbg !20
65
66; <label>:16                                      ; preds = %5
67  %tobool = icmp eq i32 %6, 0, !dbg !20
68  br i1 %tobool, label %if.end, label %if.then, !dbg !20
69
70if.then:                                          ; preds = %15
71  store i64 0, ptr @__msan_param_tls, align 8, !dbg !28
72  store i32 0, ptr @__msan_retval_tls, align 8, !dbg !28
73  %puts = call i32 @puts(ptr @str), !dbg !28
74  br label %if.end, !dbg !28
75
76if.end:                                           ; preds = %15, %if.then
77  ret void, !dbg !29
78}
79
80; Function Attrs: nobuiltin
81declare ptr @_Znwm(i64) #1
82
83; Function Attrs: sanitize_memory uwtable
84define i32 @main() #0 !dbg !13 {
85entry:
86  %p.i = alloca ptr, align 8
87  %0 = ptrtoint ptr %p.i to i64, !dbg !30
88  %1 = and i64 %0, -70368744177672, !dbg !30
89  %2 = inttoptr i64 %1 to ptr, !dbg !30
90  store i64 -1, ptr %2, align 8, !dbg !30
91  call void @llvm.lifetime.start(i64 8, ptr %p.i), !dbg !30
92  store i64 0, ptr @__msan_param_tls, align 8, !dbg !30
93  store i64 0, ptr @__msan_retval_tls, align 8, !dbg !30
94  %call.i = call ptr @_Znwm(i64 4) #4, !dbg !30
95  %_msret = load i64, ptr @__msan_retval_tls, align 8, !dbg !30
96  tail call void @llvm.dbg.value(metadata ptr %call.i, metadata !32, metadata !DIExpression()), !dbg !30
97  %3 = inttoptr i64 %1 to ptr, !dbg !30
98  store i64 %_msret, ptr %3, align 8, !dbg !30
99  store volatile ptr %call.i, ptr %p.i, align 8, !dbg !30
100  tail call void @llvm.dbg.value(metadata ptr %p.i, metadata !32, metadata !DIExpression()), !dbg !30
101  %p.i.0.p.0.p.0..i = load volatile ptr, ptr %p.i, align 8, !dbg !33
102  %_msld = load i64, ptr %3, align 8, !dbg !33
103  %_mscmp = icmp eq i64 %_msld, 0, !dbg !33
104  br i1 %_mscmp, label %5, label %4, !dbg !33, !prof !22
105
106; <label>:5                                       ; preds = %entry
107  call void @__msan_warning_noreturn(), !dbg !33
108  call void asm sideeffect "", ""() #3, !dbg !33
109  unreachable, !dbg !33
110
111; <label>:6                                       ; preds = %entry
112  %6 = load i32, ptr %p.i.0.p.0.p.0..i, align 4, !dbg !33, !tbaa !23
113  %7 = ptrtoint ptr %p.i.0.p.0.p.0..i to i64, !dbg !33
114  %8 = and i64 %7, -70368744177665, !dbg !33
115  %9 = inttoptr i64 %8 to ptr, !dbg !33
116  %_msld2 = load i32, ptr %9, align 4, !dbg !33
117  %10 = icmp ne i32 %_msld2, 0, !dbg !33
118  %11 = xor i32 %_msld2, -1, !dbg !33
119  %12 = and i32 %6, %11, !dbg !33
120  %13 = icmp eq i32 %12, 0, !dbg !33
121  %_msprop_icmp = and i1 %10, %13, !dbg !33
122  br i1 %_msprop_icmp, label %14, label %15, !dbg !33, !prof !27
123
124; <label>:15                                      ; preds = %5
125  call void @__msan_warning_noreturn(), !dbg !33
126  call void asm sideeffect "", ""() #3, !dbg !33
127  unreachable, !dbg !33
128
129; <label>:16                                      ; preds = %5
130  %tobool.i = icmp eq i32 %6, 0, !dbg !33
131  br i1 %tobool.i, label %_Z1fv.exit, label %if.then.i, !dbg !33
132
133if.then.i:                                        ; preds = %15
134  store i64 0, ptr @__msan_param_tls, align 8, !dbg !34
135  store i32 0, ptr @__msan_retval_tls, align 8, !dbg !34
136  %puts.i = call i32 @puts(ptr @str), !dbg !34
137  br label %_Z1fv.exit, !dbg !34
138
139_Z1fv.exit:                                       ; preds = %15, %if.then.i
140  call void @llvm.lifetime.end(i64 8, ptr %p.i), !dbg !35
141  store i32 0, ptr @__msan_retval_tls, align 8, !dbg !36
142  ret i32 0, !dbg !36
143}
144
145declare void @__msan_init()
146
147; Function Attrs: nounwind readnone
148declare void @llvm.dbg.value(metadata, metadata, metadata) #2
149
150; Function Attrs: nounwind
151declare i32 @puts(ptr nocapture readonly) #3
152
153; Function Attrs: nounwind
154declare void @llvm.lifetime.start(i64, ptr nocapture) #3
155
156; Function Attrs: nounwind
157declare void @llvm.lifetime.end(i64, ptr nocapture) #3
158
159declare void @__msan_warning_noreturn()
160
161declare void @__msan_maybe_warning_1(i8, i32)
162
163declare void @__msan_maybe_store_origin_1(i8, ptr, i32)
164
165declare void @__msan_maybe_warning_2(i16, i32)
166
167declare void @__msan_maybe_store_origin_2(i16, ptr, i32)
168
169declare void @__msan_maybe_warning_4(i32, i32)
170
171declare void @__msan_maybe_store_origin_4(i32, ptr, i32)
172
173declare void @__msan_maybe_warning_8(i64, i32)
174
175declare void @__msan_maybe_store_origin_8(i64, ptr, i32)
176
177declare void @__msan_set_alloca_origin4(ptr, i64, ptr, i64)
178
179declare void @__msan_poison_stack(ptr, i64)
180
181declare i32 @__msan_chain_origin(i32)
182
183declare ptr @__msan_memmove(ptr, ptr, i64)
184
185declare ptr @__msan_memcpy(ptr, ptr, i64)
186
187declare ptr @__msan_memset(ptr, i32, i64)
188
189; Function Attrs: nounwind
190declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) #3
191
192attributes #0 = { sanitize_memory uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
193attributes #1 = { nobuiltin "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
194attributes #2 = { nounwind readnone }
195attributes #3 = { nounwind }
196attributes #4 = { builtin }
197
198!llvm.dbg.cu = !{!0}
199!llvm.module.flags = !{!16, !17}
200!llvm.ident = !{!18}
201
202!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 207243) (llvm/trunk 207259)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
203!1 = !DIFile(filename: "foo.cpp", directory: "/usr/local/google/home/echristo/tmp")
204!2 = !{}
205!4 = distinct !DISubprogram(name: "f", linkageName: "_Z1fv", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !8)
206!5 = !DIFile(filename: "foo.cpp", directory: "/usr/local/google/home/echristo/tmp")
207!6 = !DISubroutineType(types: !7)
208!7 = !{null}
209!8 = !{!9}
210!9 = !DILocalVariable(name: "p", line: 4, scope: !4, file: !5, type: !10)
211!10 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
212!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !12)
213!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
214!13 = distinct !DISubprogram(name: "main", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 9, file: !1, scope: !5, type: !14, retainedNodes: !2)
215!14 = !DISubroutineType(types: !15)
216!15 = !{!12}
217!16 = !{i32 2, !"Dwarf Version", i32 4}
218!17 = !{i32 1, !"Debug Info Version", i32 3}
219!18 = !{!"clang version 3.5.0 (trunk 207243) (llvm/trunk 207259)"}
220!19 = !DILocation(line: 4, scope: !4)
221!20 = !DILocation(line: 5, scope: !21)
222!21 = distinct !DILexicalBlock(line: 5, column: 0, file: !1, scope: !4)
223!22 = !{!"branch_weights", i32 1000, i32 1}
224!23 = !{!24, !24, i64 0}
225!24 = !{!"int", !25, i64 0}
226!25 = !{!"omnipotent char", !26, i64 0}
227!26 = !{!"Simple C/C++ TBAA"}
228!27 = !{!"branch_weights", i32 1, i32 1000}
229!28 = !DILocation(line: 6, scope: !21)
230!29 = !DILocation(line: 7, scope: !4)
231!30 = !DILocation(line: 4, scope: !4, inlinedAt: !31)
232!31 = !DILocation(line: 10, scope: !13)
233!32 = !DILocalVariable(name: "p", line: 4, scope: !4, file: !5, type: !10)
234!33 = !DILocation(line: 5, scope: !21, inlinedAt: !31)
235!34 = !DILocation(line: 6, scope: !21, inlinedAt: !31)
236!35 = !DILocation(line: 7, scope: !4, inlinedAt: !31)
237!36 = !DILocation(line: 11, scope: !13)
238