1 ; REQUIRES: object-emission
3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck -implicit-check-not=DW_TAG %s
6 ; $ clang++ a.cpp b.cpp -g -c -emit-llvm
7 ; $ llvm-link a.bc b.bc -o ab.bc
8 ; $ opt -inline ab.bc -o ab-opt.bc
16 ; int __attribute__((always_inline)) func(int x) {
20 ; Ensure that func inlined into main is described and references the abstract
21 ; definition in b.cpp's CU.
23 ; CHECK: DW_TAG_compile_unit
24 ; CHECK: DW_AT_name {{.*}} "a.cpp"
25 ; CHECK: DW_TAG_subprogram
26 ; CHECK: DW_AT_type [DW_FORM_ref_addr] (0x00000000[[INT:.*]])
27 ; CHECK: DW_TAG_inlined_subroutine
28 ; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_FUNC:........]])
29 ; CHECK: DW_TAG_formal_parameter
30 ; CHECK: DW_AT_abstract_origin {{.*}}[[ABS_VAR:........]])
32 ; Check the abstract definition is in the 'b.cpp' CU and doesn't contain any
33 ; concrete information (address range or variable location)
34 ; CHECK: DW_TAG_compile_unit
35 ; CHECK: DW_AT_name {{.*}} "b.cpp"
36 ; CHECK: 0x[[ABS_FUNC]]: DW_TAG_subprogram
37 ; CHECK-NOT: DW_AT_low_pc
38 ; CHECK: 0x[[ABS_VAR]]: DW_TAG_formal_parameter
39 ; CHECK-NOT: DW_AT_location
40 ; CHECK: DW_AT_type [DW_FORM_ref4] {{.*}} {0x[[INT]]}
41 ; CHECK-NOT: DW_AT_location
43 ; CHECK: 0x[[INT]]: DW_TAG_base_type
44 ; CHECK: DW_AT_name {{.*}} "int"
46 ; Check the concrete out of line definition references the abstract and
47 ; provides the address range and variable location
48 ; CHECK: DW_TAG_subprogram
50 ; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_FUNC]]}
51 ; CHECK: DW_TAG_formal_parameter
52 ; CHECK: DW_AT_location
53 ; CHECK: DW_AT_abstract_origin {{.*}} {0x[[ABS_VAR]]}
56 @i = external global i32
58 ; Function Attrs: uwtable
59 define i32 @main() #0 {
61 %x.addr.i = alloca i32, align 4
62 %retval = alloca i32, align 4
63 store i32 0, i32* %retval
64 %0 = load i32* @i, align 4, !dbg !19
65 %1 = bitcast i32* %x.addr.i to i8*
66 call void @llvm.lifetime.start(i64 4, i8* %1)
67 store i32 %0, i32* %x.addr.i, align 4
68 call void @llvm.dbg.declare(metadata !{i32* %x.addr.i}, metadata !20), !dbg !21
69 %2 = load i32* %x.addr.i, align 4, !dbg !22
70 %mul.i = mul nsw i32 %2, 2, !dbg !22
71 %3 = bitcast i32* %x.addr.i to i8*, !dbg !22
72 call void @llvm.lifetime.end(i64 4, i8* %3), !dbg !22
73 ret i32 %mul.i, !dbg !19
76 ; Function Attrs: alwaysinline nounwind uwtable
77 define i32 @_Z4funci(i32 %x) #1 {
79 %x.addr = alloca i32, align 4
80 store i32 %x, i32* %x.addr, align 4
81 call void @llvm.dbg.declare(metadata !{i32* %x.addr}, metadata !20), !dbg !23
82 %0 = load i32* %x.addr, align 4, !dbg !24
83 %mul = mul nsw i32 %0, 2, !dbg !24
84 ret i32 %mul, !dbg !24
87 ; Function Attrs: nounwind readnone
88 declare void @llvm.dbg.declare(metadata, metadata) #2
90 ; Function Attrs: nounwind
91 declare void @llvm.lifetime.start(i64, i8* nocapture) #3
93 ; Function Attrs: nounwind
94 declare void @llvm.lifetime.end(i64, i8* nocapture) #3
96 attributes #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" }
97 attributes #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" }
98 attributes #2 = { nounwind readnone }
99 attributes #3 = { nounwind }
101 !llvm.dbg.cu = !{!0, !9}
102 !llvm.module.flags = !{!16, !17}
103 !llvm.ident = !{!18, !18}
105 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/a.cpp] [DW_LANG_C_plus_plus]
106 !1 = metadata !{metadata !"a.cpp", metadata !"/tmp/dbginfo"}
108 !3 = metadata !{metadata !4}
109 !4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"main", metadata !"main", metadata !"", i32 3, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [main]
110 !5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/a.cpp]
111 !6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
112 !7 = metadata !{metadata !8}
113 !8 = 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]
114 !9 = metadata !{i32 786449, metadata !10, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !11, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/b.cpp] [DW_LANG_C_plus_plus]
115 !10 = metadata !{metadata !"b.cpp", metadata !"/tmp/dbginfo"}
116 !11 = metadata !{metadata !12}
117 !12 = metadata !{i32 786478, metadata !10, metadata !13, metadata !"func", metadata !"func", metadata !"_Z4funci", i32 1, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z4funci, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [func]
118 !13 = metadata !{i32 786473, metadata !10} ; [ DW_TAG_file_type ] [/tmp/dbginfo/b.cpp]
119 !14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
120 !15 = metadata !{metadata !8, metadata !8}
121 !16 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
122 !17 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
123 !18 = metadata !{metadata !"clang version 3.5.0 "}
124 !19 = metadata !{i32 4, i32 0, metadata !4, null}
125 !20 = metadata !{i32 786689, metadata !12, metadata !"x", metadata !13, i32 16777217, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [x] [line 1]
126 !21 = metadata !{i32 1, i32 0, metadata !12, metadata !19}
127 !22 = metadata !{i32 2, i32 0, metadata !12, metadata !19}
128 !23 = metadata !{i32 1, i32 0, metadata !12, null}
129 !24 = metadata !{i32 2, i32 0, metadata !12, null}