1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -filetype=obj < %s > %t
4; RUN: llvm-dwarfdump %t | FileCheck %s
5
6; IR generated from clang -O -g with the following source
7;
8; void f1(int x, int y);
9; void f3(int line);
10; void f2() {
11;   f1(1, 2);
12; }
13; void f1(int x, int y) {
14;   f3(y);
15; }
16
17; CHECK: DW_AT_name{{.*}}"f1"
18; CHECK: DW_TAG_formal_parameter
19; CHECK-NOT: DW_TAG
20; CHECK: DW_AT_name{{.*}}"x"
21; CHECK: DW_TAG_formal_parameter
22; CHECK-NOT: DW_TAG
23; CHECK: DW_AT_name{{.*}}"y"
24
25; Function Attrs: uwtable
26define void @_Z2f2v() #0 {
27  tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !16, metadata !{!"0x102"}), !dbg !18
28  tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !20, metadata !{!"0x102"}), !dbg !18
29  tail call void @_Z2f3i(i32 2), !dbg !21
30  ret void, !dbg !22
31}
32
33; Function Attrs: uwtable
34define void @_Z2f1ii(i32 %x, i32 %y) #0 {
35  tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !13, metadata !{!"0x102"}), !dbg !23
36  tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !14, metadata !{!"0x102"}), !dbg !23
37  tail call void @_Z2f3i(i32 %y), !dbg !24
38  ret void, !dbg !25
39}
40
41declare void @_Z2f3i(i32) #1
42
43; Function Attrs: nounwind readnone
44declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
45
46attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
47attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
48attributes #2 = { nounwind readnone }
49
50!llvm.dbg.cu = !{!0}
51!llvm.module.flags = !{!26}
52
53!0 = !{!"0x11\004\00clang version 3.4 \001\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] [DW_LANG_C_plus_plus]
54!1 = !{!"exp.cpp", !"/usr/local/google/home/blaikie/dev/scratch"}
55!2 = !{}
56!3 = !{!4, !8}
57!4 = !{!"0x2e\00f2\00f2\00_Z2f2v\003\000\001\000\006\00256\001\003", !1, !5, !6, null, void ()* @_Z2f2v, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f2]
58!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp]
59!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 ]
60!7 = !{null}
61!8 = !{!"0x2e\00f1\00f1\00_Z2f1ii\006\000\001\000\006\00256\001\006", !1, !5, !9, null, void (i32, i32)* @_Z2f1ii, null, null, !12} ; [ DW_TAG_subprogram ] [line 6] [def] [f1]
62!9 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
63!10 = !{null, !11, !11}
64!11 = !{!"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]
65!12 = !{!13, !14}
66!13 = !{!"0x101\00x\0016777222\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [x] [line 6]
67!14 = !{!"0x101\00y\0033554438\000", !8, !5, !11} ; [ DW_TAG_arg_variable ] [y] [line 6]
68!15 = !{i32 undef}
69!16 = !{!"0x101\00x\0016777222\000", !8, !5, !11, !17} ; [ DW_TAG_arg_variable ] [x] [line 6]
70!17 = !MDLocation(line: 4, scope: !4)
71!18 = !MDLocation(line: 6, scope: !8, inlinedAt: !17)
72!19 = !{i32 2}
73!20 = !{!"0x101\00y\0033554438\000", !8, !5, !11, !17} ; [ DW_TAG_arg_variable ] [y] [line 6]
74!21 = !MDLocation(line: 7, scope: !8, inlinedAt: !17)
75!22 = !MDLocation(line: 5, scope: !4)
76!23 = !MDLocation(line: 6, scope: !8)
77!24 = !MDLocation(line: 7, scope: !8)
78!25 = !MDLocation(line: 8, scope: !8)
79!26 = !{i32 1, !"Debug Info Version", i32 2}
80