1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4
5; Generate from clang with the following source. Note that the definition of
6; the inline function follows its use to workaround another bug that should be
7; fixed soon.
8; namespace ns {
9; int func(int i);
10; }
11; extern int x;
12; int main() { return ns::func(x); }
13; int __attribute__((always_inline)) ns::func(int i) { return i * 2; }
14
15; CHECK: DW_TAG_namespace
16; CHECK-NEXT: DW_AT_name {{.*}} "ns"
17; CHECK-NOT: DW_TAG
18; CHECK:   DW_TAG_subprogram
19; CHECK-NOT: DW_TAG
20; CHECK:   DW_AT_MIPS_linkage_name {{.*}} "_ZN2ns4funcEi"
21; CHECK-NOT: DW_TAG
22; CHECK:   DW_TAG_formal_parameter
23; CHECK:   NULL
24; CHECK-NOT: NULL
25; CHECK:   DW_TAG_subprogram
26; CHECK-NOT: DW_TAG
27; CHECK:     DW_AT_abstract_origin {{.*}} "_ZN2ns4funcEi"
28; CHECK-NOT: DW_TAG
29; CHECK:     DW_TAG_formal_parameter
30; CHECK:       DW_AT_abstract_origin {{.*}} "i"
31; CHECK:     NULL
32; CHECK:   NULL
33; CHECK: NULL
34
35@x = external global i32
36
37; Function Attrs: uwtable
38define i32 @main() #0 {
39entry:
40  %i.addr.i = alloca i32, align 4
41  %retval = alloca i32, align 4
42  store i32 0, i32* %retval
43  %0 = load i32* @x, align 4, !dbg !16
44  store i32 %0, i32* %i.addr.i, align 4
45  call void @llvm.dbg.declare(metadata i32* %i.addr.i, metadata !17, metadata !{!"0x102"}), !dbg !18
46  %1 = load i32* %i.addr.i, align 4, !dbg !18
47  %mul.i = mul nsw i32 %1, 2, !dbg !18
48  ret i32 %mul.i, !dbg !16
49}
50
51; Function Attrs: alwaysinline nounwind uwtable
52define i32 @_ZN2ns4funcEi(i32 %i) #1 {
53entry:
54  %i.addr = alloca i32, align 4
55  store i32 %i, i32* %i.addr, align 4
56  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !17, metadata !{!"0x102"}), !dbg !19
57  %0 = load i32* %i.addr, align 4, !dbg !19
58  %mul = mul nsw i32 %0, 2, !dbg !19
59  ret i32 %mul, !dbg !19
60}
61
62; Function Attrs: nounwind readnone
63declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
64
65attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
66attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
67attributes #2 = { nounwind readnone }
68
69!llvm.dbg.cu = !{!0}
70!llvm.module.flags = !{!13, !14}
71!llvm.ident = !{!15}
72
73!0 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/namespace_inline_function_definition.cpp] [DW_LANG_C_plus_plus]
74!1 = !{!"namespace_inline_function_definition.cpp", !"/tmp/dbginfo"}
75!2 = !{}
76!3 = !{!4, !9}
77!4 = !{!"0x2e\00main\00main\00\005\000\001\000\006\00256\000\005", !1, !5, !6, null, i32 ()* @main, null, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [main]
78!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/tmp/dbginfo/namespace_inline_function_definition.cpp]
79!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
80!7 = !{!8}
81!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
82!9 = !{!"0x2e\00func\00func\00_ZN2ns4funcEi\006\000\001\000\006\00256\000\006", !1, !10, !11, null, i32 (i32)* @_ZN2ns4funcEi, null, null, !2} ; [ DW_TAG_subprogram ] [line 6] [def] [func]
83!10 = !{!"0x39\00ns\001", !1, null} ; [ DW_TAG_namespace ] [ns] [line 1]
84!11 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
85!12 = !{!8, !8}
86!13 = !{i32 2, !"Dwarf Version", i32 4}
87!14 = !{i32 2, !"Debug Info Version", i32 2}
88!15 = !{!"clang version 3.5.0 "}
89!16 = !MDLocation(line: 5, scope: !4)
90!17 = !{!"0x101\00i\0016777222\000", !9, !5, !8} ; [ DW_TAG_arg_variable ] [i] [line 6]
91!18 = !MDLocation(line: 6, scope: !9, inlinedAt: !16)
92!19 = !MDLocation(line: 6, scope: !9)
93