1; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -O0 < %s > %t
2; RUN: llvm-dwarfdump %t | FileCheck %s
3
4; CHECK: [[FILEID:[0-9]+]]]{{.*}}list0.h
5; CHECK: [[FILEID]]      0      1   0  0 is_stmt{{$}}
6
7; IR generated from clang -g -emit-llvm with the following source:
8; list0.h:
9; int foo (int x) {
10;     return ++x;
11; }
12; list0.c:
13; #include "list0.h"
14; int main() {
15; }
16
17define i32 @foo(i32 %x) #0 !dbg !4 {
18entry:
19  %x.addr = alloca i32, align 4
20  store i32 %x, i32* %x.addr, align 4
21  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !14, metadata !DIExpression()), !dbg !15
22  %0 = load i32, i32* %x.addr, align 4, !dbg !16
23  %inc = add nsw i32 %0, 1, !dbg !16
24  store i32 %inc, i32* %x.addr, align 4, !dbg !16
25  ret i32 %inc, !dbg !16
26}
27
28declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
29
30define i32 @main() #0 !dbg !10 {
31entry:
32  ret i32 0, !dbg !17
33}
34
35attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
36attributes #1 = { nounwind readnone }
37
38!llvm.dbg.cu = !{!0}
39!llvm.module.flags = !{!19}
40
41!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports:  !2)
42!1 = !DIFile(filename: "list0.c", directory: "/usr/local/google/home/blaikie/dev/scratch")
43!2 = !{}
44!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !5, scope: !6, type: !7, variables: !2)
45!5 = !DIFile(filename: "./list0.h", directory: "/usr/local/google/home/blaikie/dev/scratch")
46!6 = !DIFile(filename: "./list0.h", directory: "/usr/local/google/home/blaikie/dev/scratch")
47!7 = !DISubroutineType(types: !8)
48!8 = !{!9, !9}
49!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
50!10 = distinct !DISubprogram(name: "main", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !11, type: !12, variables: !2)
51!11 = !DIFile(filename: "list0.c", directory: "/usr/local/google/home/blaikie/dev/scratch")
52!12 = !DISubroutineType(types: !13)
53!13 = !{!9}
54!14 = !DILocalVariable(name: "x", line: 1, arg: 1, scope: !4, file: !6, type: !9)
55!15 = !DILocation(line: 1, scope: !4)
56!16 = !DILocation(line: 2, scope: !4)
57!17 = !DILocation(line: 3, scope: !18)
58!18 = !DILexicalBlockFile(discriminator: 0, file: !11, scope: !10)
59!19 = !{i32 1, !"Debug Info Version", i32 3}
60