1 ; RUN: llc -filetype=obj -O0 < %s
2 ; Test that we handle DBG_VALUEs in a register without crashing.
4 ; Generated from clang with -fsanitize=address:
15 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
16 target triple = "x86_64-unknown-linux-gnu"
18 %struct.A = type { i8 }
20 @__asan_mapping_offset = linkonce_odr constant i64 2147450880
21 @__asan_mapping_scale = linkonce_odr constant i64 3
22 @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 1, void ()* @asan.module_ctor }]
23 @__asan_gen_ = private unnamed_addr constant [16 x i8] c"1 32 4 5 .addr \00", align 1
25 ; Function Attrs: sanitize_address uwtable
26 define void @_Z4funci(%struct.A* noalias sret %agg.result, i32) #0 "stack-protector-buffer-size"="1" {
28 %MyAlloca = alloca [96 x i8], align 32
29 %1 = ptrtoint [96 x i8]* %MyAlloca to i64
31 %3 = inttoptr i64 %2 to i32*
32 %4 = inttoptr i64 %1 to i64*
33 store i64 1102416563, i64* %4
35 %6 = inttoptr i64 %5 to i64*
36 store i64 ptrtoint ([16 x i8]* @__asan_gen_ to i64), i64* %6
38 %8 = inttoptr i64 %7 to i64*
39 store i64 ptrtoint (void (%struct.A*, i32)* @_Z4funci to i64), i64* %8
41 %10 = add i64 %9, 2147450880
42 %11 = inttoptr i64 %10 to i32*
43 store i32 -235802127, i32* %11
45 %13 = inttoptr i64 %12 to i32*
46 store i32 -185273340, i32* %13
48 %15 = inttoptr i64 %14 to i32*
49 store i32 -202116109, i32* %15
50 %16 = ptrtoint i32* %3 to i64
52 %18 = add i64 %17, 2147450880
53 %19 = inttoptr i64 %18 to i8*
55 %21 = icmp ne i8 %20, 0
56 call void @llvm.dbg.declare(metadata !{i32* %3}, metadata !23)
57 br i1 %21, label %22, label %28
59 ; <label>:22 ; preds = %entry
62 %25 = trunc i64 %24 to i8
63 %26 = icmp sge i8 %25, %20
64 br i1 %26, label %27, label %28
66 ; <label>:27 ; preds = %22
67 call void @__asan_report_store4(i64 %16)
68 call void asm sideeffect "", ""()
71 ; <label>:28 ; preds = %22, %entry
72 store i32 %0, i32* %3, align 4
73 call void @llvm.dbg.declare(metadata !{%struct.A* %agg.result}, metadata !24), !dbg !25
74 call void @_ZN1AC1Ev(%struct.A* %agg.result), !dbg !25
75 store i64 1172321806, i64* %4, !dbg !26
76 %29 = inttoptr i64 %10 to i32*, !dbg !26
77 store i32 0, i32* %29, !dbg !26
78 %30 = add i64 %10, 4, !dbg !26
79 %31 = inttoptr i64 %30 to i32*, !dbg !26
80 store i32 0, i32* %31, !dbg !26
81 %32 = add i64 %10, 8, !dbg !26
82 %33 = inttoptr i64 %32 to i32*, !dbg !26
83 store i32 0, i32* %33, !dbg !26
87 ; Function Attrs: nounwind readnone
88 declare void @llvm.dbg.declare(metadata, metadata) #1
90 declare void @_ZN1AC1Ev(%struct.A*) #2
92 define internal void @asan.module_ctor() "stack-protector-buffer-size"="1" {
93 call void @__asan_init_v3()
94 %1 = load volatile i64* @__asan_mapping_offset
95 %2 = load volatile i64* @__asan_mapping_scale
99 declare void @__asan_init_v3()
101 declare void @__asan_report_load1(i64)
103 declare void @__asan_report_load2(i64)
105 declare void @__asan_report_load4(i64)
107 declare void @__asan_report_load8(i64)
109 declare void @__asan_report_load16(i64)
111 declare void @__asan_report_store1(i64)
113 declare void @__asan_report_store2(i64)
115 declare void @__asan_report_store4(i64)
117 declare void @__asan_report_store8(i64)
119 declare void @__asan_report_store16(i64)
121 declare void @__asan_report_load_n(i64, i64)
123 declare void @__asan_report_store_n(i64, i64)
125 declare void @__asan_handle_no_return()
127 declare i64 @__asan_stack_malloc(i64, i64)
129 declare void @__asan_stack_free(i64, i64, i64)
131 declare void @__asan_poison_stack_memory(i64, i64)
133 declare void @__asan_unpoison_stack_memory(i64, i64)
135 declare void @__asan_before_dynamic_init(i64)
137 declare void @__asan_after_dynamic_init()
139 declare void @__asan_register_globals(i64, i64)
141 declare void @__asan_unregister_globals(i64, i64)
143 attributes #0 = { sanitize_address uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "ssp-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
144 attributes #1 = { nounwind readnone }
145 attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "ssp-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
148 !llvm.module.flags = !{!22}
150 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/crash.cpp] [DW_LANG_C_plus_plus]
151 !1 = metadata !{metadata !"crash.cpp", metadata !"/tmp"}
152 !2 = metadata !{i32 0}
153 !3 = metadata !{metadata !4}
154 !4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"func", metadata !"func", metadata !"_Z4funci", i32 6, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.A*, i32)* @_Z4funci, null, null, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [func]
155 !5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/crash.cpp]
156 !6 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
157 !7 = metadata !{metadata !8, metadata !21}
158 !8 = metadata !{i32 786451, metadata !1, null, metadata !"A", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !9, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [A] [line 1, size 8, align 8, offset 0] [def] [from ]
159 !9 = metadata !{metadata !10, metadata !15}
160 !10 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"A", metadata !"A", metadata !"", i32 2, metadata !11, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !14, i32 2} ; [ DW_TAG_subprogram ] [line 2] [A]
161 !11 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
162 !12 = metadata !{null, metadata !13}
163 !13 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from A]
164 !14 = metadata !{i32 786468}
165 !15 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"A", metadata !"A", metadata !"", i32 3, metadata !16, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !20, i32 3} ; [ DW_TAG_subprogram ] [line 3] [A]
166 !16 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
167 !17 = metadata !{null, metadata !13, metadata !18}
168 !18 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !19} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
169 !19 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from A]
170 !20 = metadata !{i32 786468}
171 !21 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
172 !22 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
173 !23 = metadata !{i32 786689, metadata !4, metadata !"", metadata !5, i32 16777222, metadata !21, i32 0, i32 0, i64 2} ; [ DW_TAG_arg_variable ] [line 6]
174 !24 = metadata !{i32 786688, metadata !4, metadata !"a", metadata !5, i32 7, metadata !8, i32 8192, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 7]
175 !25 = metadata !{i32 7, i32 0, metadata !4, null}
176 !26 = metadata !{i32 8, i32 0, metadata !4, null} ; [ DW_TAG_imported_declaration ]